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  • Mice  (115)
  • American Association for the Advancement of Science (AAAS)  (115)
  • American Chemical Society
  • Elsevier
  • 1985-1989  (115)
  • 1980-1984
  • 1965-1969
  • 1985  (115)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (115)
  • American Chemical Society
  • Elsevier
  • Springer  (10)
Years
  • 1985-1989  (115)
  • 1980-1984
  • 1965-1969
Year
  • 1
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    Ethanol withdrawal in mice precipitated and exacerbated by hyperbaric exposure (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-23
    Description: Mice were fed an ethanol-containing liquid diet for 9 days. On removal of the diet, exposure to 12 atmospheres absolute of a mixture of helium and oxygen precipitated earlier withdrawal, increased withdrawal scores for the first 6 hours, and increased the peak withdrawal intensity compared to dependent animals exposed to control conditions. The enhanced withdrawal did not appear to reflect alterations in ethanol elimination, oxygen or helium partial pressures, body temperature, or general excitability. These results extend to chronically treated animals the evidence that hyperbaric exposure antagonizes the membrane actions of ethanol.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alkana, R L -- Finn, D A -- Galleisky, G G -- Syapin, P J -- Malcolm, R D -- R01AA03972/AA/NIAAA NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 23;229(4715):772-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4040651" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atmospheric Pressure ; Cell Membrane/drug effects/physiology ; Ethanol/*adverse effects/pharmacology ; Humans ; Male ; Mice ; Substance Withdrawal Syndrome/*physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Identification of the protein encoded by the E6 transforming gene of bovine papillomavirus (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-25
    Description: Papillomaviruses (PV) contain several conserved genes that may encode nonstructural proteins; however, none of these predicted gene products have been identified. Papillomavirus E6 genes are retained and expressed as RNA in PV-associated human and animal carcinomas and cell lines. This suggests that the E6 gene product may be important in the maintenance of the malignant phenotype. The E6 open reading frame of the bovine papillomavirus (BPV) genome has been identified as one of two BPV genes that can independently transform mouse cells in vitro. A polypeptide encoded by this region of BPV was produced in a bacterial expression vector and used to raise antisera. The antisera specifically immunoprecipitated the predicted 15.5-kilodalton BPV E6 protein from cells transformed by the E6 gene. The E6 protein was identified in both the nuclear and membrane fractions of these transformed cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Androphy, E J -- Schiller, J T -- Lowy, D R -- 5-F32-CA-07237/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Oct 25;230(4724):442-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2996134" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bovine papillomavirus 1/*genetics ; Cell Line ; Cell Transformation, Viral ; *Genes, Viral ; Mice ; Oncogenes ; Papillomaviridae/*genetics ; RNA, Messenger/genetics ; Rabbits ; Rats ; Tumor Virus Infections/genetics ; Viral Proteins/*genetics/isolation & purification
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  • 3
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    Specific expression of hepatitis B surface antigen (HBsAg) in transgenic mice (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-06
    Description: Two transgenic mice were obtained that contain in their chromosomes the complete hepatitis B virus (HBV) genome except for the core gene. These mice secrete particles of HBV surface antigen (HBsAg) in the serum. In one mouse, HBV DNA sequences that had integrated at two different sites were shown to segregate independently in the first filial generation (F1) and only one of the sequences allowed expression of the surface antigen. Among these animals the males produced five to ten times more HBsAg than the females. A 2.1-kilobase messenger RNA species comigrating with the major surface gene messenger RNA is expressed specifically in the liver in the two original mice. The results suggest that the HBV sequences introduced into the mice are able to confer a tissue-specific expression to the S gene. In addition, the HBV transgenic mice represent a new model for the chronic carrier state of hepatitis B virus infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Babinet, C -- Farza, H -- Morello, D -- Hadchouel, M -- Pourcel, C -- CA37300-02/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Dec 6;230(4730):1160-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3865370" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carrier State ; DNA, Recombinant ; Female ; *Genetic Engineering ; Hepatitis B/genetics ; Hepatitis B Surface Antigens/*genetics ; Humans ; Male ; Mice ; Mice, Inbred C57BL/genetics ; Nucleic Acid Hybridization ; RNA, Messenger/genetics
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  • 4
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    Reversibility of progression of the transformed phenotype in Ad5-transformed rat embryo cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-31
    Description: The carcinogenic process is extremely complex and is affected by diverse environmental and host factors. The mechanism for the gradual development of the transformed phenotype (a process termed "progression") was studied in type 5 adenovirus (Ad5)-transformed rat embryo cells. Progression was not correlated with major changes in the pattern of integration of viral DNA sequences. Instead, it was associated with an increased methylation of integrated viral sequences other than those corresponding to the E1 transforming genes of Ad5. A single exposure of progressed cells to the demethylating agent 5-azacytidine (Aza) resulted in a stable reversion to the unprogressed state of the original parental clone. A further selection of cells after growth in agar allowed the isolation of Aza-treated clones that had regained the progressed phenotype. These observations indicate that progression is a reversible process and suggest that progression may be associated with changes in the state of methylation of one or more specific genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Babiss, L E -- Zimmer, S G -- Fisher, P B -- CA-33434/CA/NCI NIH HHS/ -- CA-35675/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 May 31;228(4703):1099-101.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2581317" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviruses, Human/*genetics ; Animals ; Azacitidine/*pharmacology ; Cell Division ; Cell Transformation, Viral/*drug effects ; Cells, Cultured ; DNA, Neoplasm/genetics ; DNA, Viral/genetics ; Gene Expression Regulation ; Genes, Viral ; *Methylation ; Mice ; Neoplasms, Experimental/*pathology ; Rats ; Rats, Inbred Strains/embryology ; Transcription, Genetic
    Print ISSN: 0036-8075
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  • 5
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    Immunogenicity of synthetic peptides from circumsporozoite protein of Plasmodium falciparum (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-24
    Description: In a study of recombinant proteins that might be useful in developing a vaccine against malaria, synthetic peptides from the circumsporozoite (CS) protein of Plasmodium falciparum were found to be immunogenic for mice and rabbits. Antibody to peptides from the repeating region of the CS protein recognized native CS protein and blocked sporozoite invasion of human hepatoma cells in vitro. Antibodies to peptides from regions I and II had no biologic activity, although antibody to region I recognized processed CS protein by Western blot analysis. These data support the feasibility of developing a vaccine against the sporozoite stage of the malaria parasite by using synthetic peptides of the repeating region of the CS protein conjugated to a carrier protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ballou, W R -- Rothbard, J -- Wirtz, R A -- Gordon, D M -- Williams, J S -- Gore, R W -- Schneider, I -- Hollingdale, M R -- Beaudoin, R L -- Maloy, W L -- New York, N.Y. -- Science. 1985 May 24;228(4702):996-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2988126" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies/immunology ; Antibody Formation ; Antigens, Surface/*immunology ; Carcinoma, Hepatocellular ; Cell Line ; Cross Reactions ; Fluorescent Antibody Technique ; Humans ; Immune Sera/immunology ; Liver Neoplasms ; Malaria/prevention & control ; Mice ; Peptides/chemical synthesis/*immunology ; Plasmodium/immunology ; Plasmodium falciparum/*immunology/physiology ; Precipitin Tests ; *Protozoan Proteins ; Rabbits ; Vaccines/immunology
    Print ISSN: 0036-8075
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  • 6
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    Disease linked to a faulty potassium channel (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barnes, D M -- New York, N.Y. -- Science. 1985 Dec 13;230(4731):1260.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2416055" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoimmune Diseases/*physiopathology ; Ion Channels/*physiology ; Membrane Potentials ; Mice ; T-Lymphocytes/*physiology
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  • 7
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    T-cell receptor beta-chain expression: dependence on relatively few variable region genes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-09
    Description: Fifteen independently isolated complementary DNA clones that contain T-cell receptor (TCR) V beta genes were sequenced and found to represent 11 different V beta genes. When compared with known sequences, 14 different V beta genes could be defined from a total of 25 complementary DNA's; 11 clones therefore involved repeated usage of previously identified V beta's. Based on these data, we calculate a maximum likelihood estimate of the number of expressed germline V beta genes to be 18 with an upper 95 percent confidence bound of 30 genes. Southern blot analysis has shown that most of these genes belong to single element subfamilies which show very limited interstrain polymorphism. The TCR beta-chain diversity appears to be generated from a limited V beta gene pool primarily by extensive variability at the variable-diversity-joining (V-D-J) junctional site, with no evidence for the involvement of somatic hypermutation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Behlke, M A -- Spinella, D G -- Chou, H S -- Sha, W -- Hartl, D L -- Loh, D Y -- GM07200/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 9;229(4713):566-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3875151" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Base Sequence ; Chromosome Mapping ; Cloning, Molecular ; Dna ; Gene Pool ; *Genetic Variation ; Humans ; Hybridomas ; Immunoglobulin Variable Region/genetics ; Mice ; Mice, Inbred BALB C/genetics ; Mice, Inbred C57BL/genetics ; Mice, Inbred Strains/genetics ; Receptors, Antigen, T-Cell/*genetics ; Species Specificity ; Spleen ; T-Lymphocytes ; Thymus Gland
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  • 8
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    Passive immunization against cachectin/tumor necrosis factor protects mice from lethal effect of endotoxin (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-30
    Description: A highly specific polyclonal rabbit antiserum directed against murine cachectin/tumor necrosis factor (TNF) was prepared. When BALB/c mice were passively immunized with the antiserum or with purified immune globulin, they were protected against the lethal effect of the endotoxin lipopolysaccharide produced by Escherichia coli. The prophylactic effect was dose-dependent and was most effective when the antiserum was administered prior to the injection of the endotoxin. Antiserum to cachectin/TNF did not mitigate the febrile response of endotoxin-treated animals, and very high doses of endotoxin could overcome the protective effect. The median lethal dose of endotoxin in mice pretreated with 50 microliters of the specific antiserum was approximately 2.5 times greater the median lethal dose for controls given nonimmune serum. The data suggest that cachectin/TNF is one of the principal mediators of the lethal effect of endotoxin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Beutler, B -- Milsark, I W -- Cerami, A C -- AM01314/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 30;229(4716):869-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3895437" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Endotoxins/*toxicity ; Escherichia coli ; Female ; Glycoproteins/immunology/*physiology ; Immune Sera ; Immunization, Passive ; Lethal Dose 50 ; Lipopolysaccharides/*toxicity ; Mice ; Mice, Inbred BALB C ; Proteins/immunology/*physiology ; Tumor Necrosis Factor-alpha
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  • 9
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    Active T-cell receptor genes have intron deoxyribonuclease hypersensitive sites (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-09
    Description: The T-cell receptor beta-chain gene has a nuclease hypersensitive site in several kinds of T cells, which does not appear in B cells expressing immunoglobulins. Conversely, the kappa immunoglobulin gene shows a known hypersensitive site at its enhancer element in B cells, as expected, but this site is absent in T cells. As is the case with immunoglobulin genes, the T-cell receptor site lies within the gene, in the intron separating joining and constant region segments. These nuclease hypersensitive DNA configurations in the introns of active T-cell receptor and immunoglobulin genes may arise from control elements that share ancestry but have diverged to the extent that each normally acts only in lymphoid cells which use the proximal gene product.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bier, E -- Hashimoto, Y -- Greene, M I -- Maxam, A M -- AI 19901/AI/NIAID NIH HHS/ -- CA 22427/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 9;229(4713):528-34.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3927483" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/metabolism ; Base Sequence ; Binding Sites ; Cell Line ; Chromosome Mapping ; Collodion ; Deoxyribonuclease I/*metabolism ; Enhancer Elements, Genetic ; Gene Expression Regulation ; Humans ; Hybridomas ; Immunochemistry ; Immunoglobulin Fragments/*genetics ; Immunoglobulin Heavy Chains/genetics ; Immunoglobulin kappa-Chains/genetics ; Mice ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/*metabolism ; Transcription, Genetic
    Print ISSN: 0036-8075
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  • 10
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    Plasticity of the differentiated state (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-15
    Description: Heterokaryons provide a model system in which to examine how tissue-specific phenotypes arise and are maintained. When muscle cells are fused with nonmuscle cells, muscle gene expression is activated in the nonmuscle cell type. Gene expression was studied either at a single cell level with monoclonal antibodies or in mass cultures at a biochemical and molecular level. In all of the nonmuscle cell types tested, including representatives of different embryonic lineages, phenotypes, and developmental stages, muscle gene expression was induced. Differences among cell types in the kinetics, frequency, and gene dosage requirements for gene expression provide clues to the underlying regulatory mechanisms. These results show that the expression of genes in the nuclei of differentiated cells is remarkably plastic and susceptible to modulation by the cytoplasm. The isolation of the genes encoding the tissue-specific trans-acting regulators responsible for muscle gene activation should now be possible.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blau, H M -- Pavlath, G K -- Hardeman, E C -- Chiu, C P -- Silberstein, L -- Webster, S G -- Miller, S C -- Webster, C -- GM07149/GM/NIGMS NIH HHS/ -- GM26717/GM/NIGMS NIH HHS/ -- HD18179/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Nov 15;230(4727):758-66.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2414846" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Animals ; Antibodies, Monoclonal ; *Cell Differentiation ; Cell Fusion ; Cell Nucleus/ultrastructure ; Epidermis/cytology ; Fetus/metabolism ; Fibroblasts/cytology ; Gene Expression Regulation ; Genes ; HeLa Cells/metabolism ; Humans ; Hybrid Cells/metabolism ; Keratins/physiology ; Kinetics ; Liver/cytology ; Mice ; Muscle Development ; Muscles/cytology ; Myosins/genetics ; Phenotype ; Transcription, Genetic ; Transcriptional Activation
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  • 11
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    Hematopoietic histoincompatibility reactions by NK cells in vitro: model for genetic resistance to marrow grafts (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-20
    Description: In certain strains of mice, bone marrow grafts from parental donors fail to grow in first-generation hybrid mice. This "hybrid resistance" of nonsensitized F1 hybrid mice to the engraftment of parental hematopoietic transplants contradicts the classical laws of transplantation and is dependent on a radioresistant but immunogenetically specific effector mechanism. Studies in a new in vitro model reveal that committed hematopoietic precursors of parental origin can be inactivated by direct contact with natural killer-like splenic effectors from F1 mice. The reaction requires genetically restricted recognition, since only parental competitors syngeneic to the target bone marrow cells partially reversed this inactivation. Models of this type may be useful in studying the possible role of natural resistance in bone marrow transplantation in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bordignon, C -- Daley, J P -- Nakamura, I -- AM-13969/AM/NIADDK NIH HHS/ -- CA-12844/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Dec 20;230(4732):1398-401.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3906897" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/immunology ; *Bone Marrow Transplantation ; Colony-Forming Units Assay ; Crosses, Genetic ; Hematopoietic Stem Cells/immunology ; *Histocompatibility ; Hybridization, Genetic ; Immunity, Innate ; Killer Cells, Natural/*immunology ; Mice ; Mice, Inbred C57BL ; Mice, Inbred Strains ; Models, Biological
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  • 12
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    Preparation of bispecific antibodies by chemical recombination of monoclonal immunoglobulin G1 fragments (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-07-05
    Description: Preparation of bispecific antibodies by the chemical reassociation of monovalent fragments derived from monoclonal mouse immunoglobulin G1 is inefficient because of side reactions during reoxidation of the multiple disulfide bonds linking the heavy chains. These side reactions can be avoided by using specific dithiol complexing agents such as arsenite and effecting disulfide formation with a thiol activating agent such as 5,5'-dithiobis(2-nitrobenzoic acid). In this way bispecific antibodies were obtained in high yield and free of monospecific contaminants from monoclonal mouse immunoglobulin G1 fragments. The bispecific antibodies were used as agents for the selective immobilization of enzymes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brennan, M -- Davison, P F -- Paulus, H -- New York, N.Y. -- Science. 1985 Jul 5;229(4708):81-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3925553" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibodies, Monoclonal ; *Antibody Specificity ; Arsenic ; *Arsenites ; Avidin/immunology ; Disulfides ; Dithionitrobenzoic Acid ; Immunoglobulin Fab Fragments ; *Immunoglobulin G ; Luciferases/immunology ; Macromolecular Substances ; Mice ; *Sodium Compounds ; beta-Galactosidase/immunology
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  • 13
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    Stereoscopic images in confocal (tandem scanning) microscopy (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-13
    Description: Stereoscopic pair images with parallel projection geometry are obtained by through-focusing along two inclined axes while recording two (summed and stacked) images with a microscope with a very shallow depth of field. The two stack images sample the same depth slice of translucent or reflective specimens. The method will work most conveniently with a tandem scanning microscope (a direct-view, confocal scanning optical microscope). This is a direct method for recording stereo images that can be used to the limit of resolution in optical microscopy. It demonstrates a previously unrealized advantage of confocal optical microscopy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boyde, A -- New York, N.Y. -- Science. 1985 Dec 13;230(4731):1270-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4071051" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone and Bones/anatomy & histology ; Cerebellum/anatomy & histology ; Mice ; Microscopy/*methods ; Rats ; Spinal Cord/anatomy & histology
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  • 14
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    Increased plasma interleukin-1 activity in women after ovulation (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-08
    Description: The polypeptide interleukin-1 mediates many host responses to infection and inflammation. A method was developed for studying interleukin-1 levels in human plasma from febrile patients. Interleukin-1 activity was also consistently found in plasma samples from women in the luteal phase of their menstrual cycle. This activity was neutralized by a specific antiserum to human interleukin-1 and was low in plasma from healthy men and preovulatory women. Thus interleukin-1 appears to have a role in normal physiological conditions as well as in disease states.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cannon, J G -- Dinarello, C A -- AI 15614/AI/NIAID NIH HHS/ -- F32 AI 06951/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Mar 8;227(4691):1247-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3871966" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Temperature ; Female ; Fever/physiopathology ; Follicular Phase ; Humans ; Interleukin-1/*analysis/physiology ; *Luteal Phase ; Male ; Mice ; Ovulation
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  • 15
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    Tissue factor gene localized to human chromosome 1 (1pter----1p21) (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-06
    Description: Tissue factor (tissue thromboplastin, coagulation factor III), a protein component of cell membranes, is an essential cofactor for factor VII-dependent initiation of blood coagulation. Since no tissue factor-deficient condition has been described, it is one of only a few proteins of the coagulation system for which the pattern of inheritance has not been ascertained. Because of the species-specificity of tissue factor activity and the availability of a very sensitive chromogenic assay, it was possible in the present study to use somatic cell hybrids to assign the chromosomal location of the tissue factor structural gene (F3) to human chromosome 1 (1pter----1p21).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carson, S D -- Henry, W M -- Shows, T B -- GM-20454/GM/NIGMS NIH HHS/ -- HD-05196/HD/NICHD NIH HHS/ -- HL-31408/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1985 Sep 6;229(4717):991-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4023720" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosomes, Human, 1-3 ; Genes ; Humans ; Hybrid Cells ; Mice ; Thromboplastin/*genetics ; Translocation, Genetic
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  • 16
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    Mammalian and yeast ras gene products: biological function in their heterologous systems (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-12
    Description: Activated versions of ras genes have been found in various types of malignant tumors. The normal versions of these genes are found in organisms as diverse as mammals and yeasts. Yeast cells that lack their functional ras genes, RASSC-1 and RASSC-2, are ordinarily nonviable. They have now been shown to remain viable if they carry a mammalian rasH gene. In addition, yeast-mammalian hybrid genes and a deletion mutant yeast RASSC-1 gene were shown to induce morphologic transformation of mouse NIH 3T3 cells when the genes had a point mutation analogous to one that increases the transforming activity of mammalian ras genes. The results establish the functional relevance of the yeast system to the genetics and biochemistry of cellular transformation induced by mammalian ras genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeFeo-Jones, D -- Tatchell, K -- Robinson, L C -- Sigal, I S -- Vass, W C -- Lowy, D R -- Scolnick, E M -- CA37702/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Apr 12;228(4696):179-84.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3883495" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Transformation, Neoplastic/metabolism ; DNA, Recombinant/metabolism ; Drosophila/genetics ; Mice ; Neoplasm Proteins/*genetics/metabolism ; Nucleic Acid Hybridization ; *Oncogenes ; Plasmids ; Saccharomyces cerevisiae/*genetics
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  • 17
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    Activated proto-onc genes: sufficient or necessary for cancer? (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-10
    Description: Proto-onc genes are normal cellular genes that are related to the transforming (onc) genes of retroviruses. Because of this relationship these genes are now widely believed to be potential cancer genes. In some tumors, proto-onc genes are mutated or expressed more than in normal cells. Under these conditions, proto-onc genes are hypothesized to be active cancer genes in one of two possible ways: The one gene-one cancer hypothesis suggests that one activated proto-onc gene is sufficient to cause cancer. The multigene-one cancer hypothesis suggests that an activated proto-onc gene is a necessary but not a sufficient cause of cancer. However, mutated or transcriptionally activated proto-onc genes are not consistently associated with the tumors in which they are occasionally found and do not transform primary cells. Further, no set of an activated proto-onc gene and a complementary cancer gene with transforming function has yet been isolated from a tumor. Thus, there is still no proof that activated proto-onc genes are sufficient or even necessary to cause cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Duesberg, P H -- CA 11426/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 May 10;228(4700):669-77.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3992240" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Transformation, Neoplastic/metabolism ; Chickens ; DNA, Neoplasm/genetics ; Genes, Viral ; Humans ; Kirsten murine sarcoma virus/genetics ; Lymphoma/genetics ; Melanoma/genetics ; Mice ; Mutation ; Neoplasms/etiology/*genetics ; *Oncogenes ; Plasmacytoma/genetics ; Rats ; Retroviridae/genetics ; Sarcoma, Experimental/genetics ; Transduction, Genetic ; Translocation, Genetic ; Tumor Virus Infections/genetics
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  • 18
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    Inhibition of lymphocyte proliferation by a synthetic peptide homologous to retroviral envelope proteins (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-25
    Description: The retroviral transmembrane envelope protein p15E is immunosuppressive in that it inhibits immune responses of lymphocytes, monocytes, and macrophages. A region of p15E has been conserved among murine and feline retroviruses; a homologous region is also found in the transmembrane envelope proteins of the human retroviruses HTLV-I and HTLV-II and in a putative envelope protein encoded by an endogenous C-type human retroviral DNA. A peptide (CKS-17) was synthesized to correspond to this region of homology and was examined for its effects on lymphocyte proliferation. CKS-17 inhibited the proliferation of an interleukin-2-dependent murine cytotoxic T-cell line as well as alloantigen-stimulated proliferation of murine and human lymphocytes. Four other peptides, representing different regions of virus proteins, were inactive. These results suggest that the immunosuppressive portion of retroviral transmembrane envelope proteins may reside, at least in part, in a-conserved sequence represented by the CKS-17 peptide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cianciolo, G J -- Copeland, T D -- Oroszlan, S -- Snyderman, R -- P01-CA29589-02/CA/NCI NIH HHS/ -- R23-CA34671-02/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Oct 25;230(4724):453-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2996136" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; Deltaretrovirus/genetics ; Humans ; Leukemia Virus, Feline/genetics ; Leukemia Virus, Murine/genetics ; Lymphocyte Activation/*drug effects ; Lymphocyte Culture Test, Mixed ; Lymphocytes/drug effects ; Mice ; Mice, Inbred BALB C ; Peptides/*pharmacology ; Retroviridae/*genetics ; Spleen/cytology ; Viral Envelope Proteins/genetics/*pharmacology
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  • 19
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    Gene expression in mice after high efficiency retroviral-mediated gene transfer (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-20
    Description: A retroviral expression vector (N2) containing the selectable gene, neoR, has been used to determine the optimal conditions for infecting murine hematopoietic progenitor cells at high efficiency. After infected bone marrow cells were introduced into lethally irradiated mice, the presence, stability, and expression of the vector DNA sequences were analyzed either in individual spleen foci 10 days later or in the blood, bone marrow, and spleens of mice 4 months later. When bone marrow cells were cultured in medium containing virus with titers of more than 10(6) colony-forming units per milliliter in the presence of purified murine interleukin-3, more than 85 percent of the resulting foci contained vector DNA. This proviral vector DNA was intact. Efficient expression of the neoR gene was demonstrated in most of the DNA-positive foci examined. The spleens of reconstituted animals (over a long term) contained intact "vector DNA" and the blood and bone marrow expressed the neoR gene in some animals. Thus, a retroviral vector can be used to introduce intact exogenous DNA sequences into hematopoietic stem cells with high efficiency and with substantial expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eglitis, M A -- Kantoff, P -- Gilboa, E -- Anderson, W F -- New York, N.Y. -- Science. 1985 Dec 20;230(4732):1395-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2999985" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Bone Marrow/microbiology ; Cells, Cultured ; DNA Transposable Elements ; DNA, Viral/genetics ; *Genes, Viral ; *Genetic Vectors ; Mice ; Moloney murine leukemia virus/*genetics ; Spleen/microbiology ; *Transcription, Genetic
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  • 20
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    Retroviral vector-mediated gene transfer into human hematopoietic progenitor cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-29
    Description: The transfer of the human gene for hypoxanthine phosphoribosyltransferase (HPRT) into human bone marrow cells was accomplished by use of a retroviral vector. The cells were infected in vitro with a replication-incompetent murine retroviral vector that carried and expressed a mutant HPRT complementary DNA. The infected cells were superinfected with a helper virus and maintained in long-term culture. The production of progeny HPRT virus by the bone marrow cells was demonstrated with a colony formation assay on cultured HPRT-deficient, ouabain-resistant murine fibroblasts. Hematopoietic progenitor cells able to form colonies of granulocytes or macrophages (or both) in semisolid medium in the presence of colony stimulating factor were present in the nonadherent cell population. Colony forming units cloned in agar and subsequently cultured in liquid medium produced progeny HPRT virus, indicating infection of this class of hematopoietic progenitor cell.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gruber, H E -- Finley, K D -- Hershberg, R M -- Katzman, S S -- Laikind, P K -- Seegmiller, J E -- Friedmann, T -- Yee, J K -- Jolly, D J -- AM 13622/AM/NIADDK NIH HHS/ -- GM 28223/GM/NIGMS NIH HHS/ -- HD20034/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Nov 29;230(4729):1057-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3864246" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Gene Expression Regulation ; *Genetic Engineering ; Genetic Vectors ; Hematopoietic Stem Cells/*physiology ; Humans ; Hypoxanthine Phosphoribosyltransferase/*genetics ; Mice ; Retroviridae/*genetics ; Transfection
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  • 21
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    Vaccinia virus recombinant expressing herpes simplex virus type 1 glycoprotein D prevents latent herpes in mice (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-10
    Description: In humans, herpes simplex virus causes a primary infection and then often a latent ganglionic infection that persists for life. Because these latent infections can recur periodically, vaccines are needed that can protect against both primary and latent herpes simplex infections. Infectious vaccinia virus recombinants that contain the herpes simplex virus type 1 (HSV-1) glycoprotein D gene under control of defined early or late vaccinia virus promoters were constructed. Tissue culture cells infected with these recombinant viruses synthesized a glycosylated protein that had the same mass (60,000 daltons) as the glycoprotein D produced by HSV-1. Immunization of mice with one of these recombinant viruses by intradermal, subcutaneous, or intraperitoneal routes resulted in the production of antibodies that neutralized HSV-1 and protected the mice against subsequent lethal challenge with HSV-1 or HSV-2. Immunization with the recombinant virus also protected the majority of the mice against the development of a latent HSV-1 infection of the trigeminal ganglia. This is the first demonstration that a genetically engineered vaccine can prevent the development of latency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cremer, K J -- Mackett, M -- Wohlenberg, C -- Notkins, A L -- Moss, B -- New York, N.Y. -- Science. 1985 May 10;228(4700):737-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2986288" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/immunology ; *Genetic Engineering ; Herpes Simplex/immunology/*prevention & control ; Humans ; Mice ; Mice, Inbred BALB C ; Simplexvirus/genetics/immunology ; Vaccines ; Vaccinia virus/*genetics ; *Viral Envelope Proteins ; Viral Proteins/*genetics/immunology
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  • 22
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    Gene for alpha-chain of human T-cell receptor: location on chromosome 14 region involved in T-cell neoplasms (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-01
    Description: A human complementary DNA clone specific for the alpha-chain of the T-cell receptor and a panel of rodent X human somatic cell hybrids were used to map the alpha-chain gene to human chromosome 14 in a region proximal to the immunoglobulin heavy chain locus. Analysis by means of in situ hybridization of human metaphase chromosomes served to further localize the alpha-chain gene to region 14q11q12, which is consistently involved in translocations and inversions detectable in human T-cell leukemias and lymphomas. Thus, the locus for the alpha-chain T-cell receptor may participate in oncogene activation in T-cell tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Croce, C M -- Isobe, M -- Palumbo, A -- Puck, J -- Ming, J -- Tweardy, D -- Erikson, J -- Davis, M -- Rovera, G -- CA 10 815/CA/NCI NIH HHS/ -- CA16685/CA/NCI NIH HHS/ -- CA215875/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Mar 1;227(4690):1044-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3919442" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, 13-15 ; DNA/genetics ; Genes ; Humans ; Hybrid Cells/metabolism ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin alpha-Chains/*genetics ; Leukemia/genetics ; Lymphoma/genetics ; Mice ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes ; Translocation, Genetic
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  • 23
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    Gene therapy guidelines revised (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Culliton, B J -- New York, N.Y. -- Science. 1985 May 3;228(4699):561-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3856951" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Deaminase/deficiency ; Advisory Committees ; Animal Experimentation ; Animals ; Dogs ; Ethics Committees, Research ; Federal Government ; Genetic Diseases, Inborn ; *Genetic Engineering ; *Government Regulation ; Humans ; Mice ; National Institutes of Health (U.S.) ; United States ; Recombinant DNA Advisory Committee (RAC), has revised its draft guidelines, ; published in the 22 January 1985 Federal Register, for researchers submitting ; protocols for human gene therapy experiments. The major revisions in the "Points ; to Consider" are the elimination of a required response in the protocol to ; complex social and ethical questions and a greater flexibility in requirements ; for animal testing prior to human experimentation. Other modifications include ; provisions for public review of protocols, a requirement of patient agreement to ; long term follow-up and autopsy, and the limiting of review to only somatic cell ; therapy for the present. The stages of protocol review will involve local ethics ; and biosafety committees, then the Working Group, the full RAC, and finally the ; director of NIH.
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  • 24
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    Multiple organ carcinogenicity of 1,3-butadiene in B6C3F1 mice after 60 weeks of inhalation exposure (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-01
    Description: Groups of 50 male and 50 female B6C3F1 mice were exposed 6 hours per day, 5 days per week, for 60 to 61 weeks to air containing 0, 625, or 1250 parts per million 1,3-butadiene. These concentrations are somewhat below and slightly above the Occupational Safety and Health Administration standard of 1000 parts per million for butadiene. The study was designed for 104-week exposures but had to be ended early due to cancer-related mortality in both sexes at both exposure concentrations. There were early induction and significantly increased incidences of hemangiosarcomas of the heart, malignant lymphomas, alveolar-bronchiolar neoplasms, squamous cell neoplasms of the forestomach in males and females and acinar cell carcinomas of the mammary gland, granulosa cell neoplasms of the ovary, and hepatocellular neoplasms in females. Current workplace standards for exposure to butadiene should be reexamined in view of these findings.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huff, J E -- Melnick, R L -- Solleveld, H A -- Haseman, J K -- Powers, M -- Miller, R A -- New York, N.Y. -- Science. 1985 Feb 1;227(4686):548-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3966163" target="_blank"〉PubMed〈/a〉
    Keywords: Air Pollutants, Occupational/*toxicity ; Animals ; Body Weight/drug effects ; Brain Neoplasms/chemically induced ; Butadienes/*toxicity ; Female ; Heart Neoplasms/chemically induced ; Inflammation ; Liver Neoplasms/chemically induced ; Lung Neoplasms/chemically induced ; Lymphoma/chemically induced ; Male ; Mammary Glands, Animal ; Mice ; Mice, Inbred Strains ; Neoplasms/*chemically induced ; Nose Diseases/chemically induced ; Ovarian Neoplasms/chemically induced ; Stomach Neoplasms/chemically induced
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    Immunoglobulin heavy-chain enhancer requires one or more tissue-specific factors (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-18
    Description: Enhancer sequences are regulatory regions that greatly increase transcription of certain eukaryotic genes. An immunoglobulin heavy-chain variable gene segment is moved from a region lacking enhancer activity to a position adjacent to the known heavy-chain enhancer early in B-cell maturation. In lymphoid cells, the heavy-chain and SV40 enhancers bind a common factor essential for enhancer function. In contrast, fibroblast cells contain a functionally distinct factor that is used by the SV40 but not by the heavy-chain enhancer. The existence of different factors in these cells may explain the previously described lymphoid cell specificity of the heavy-chain enhancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mercola, M -- Goverman, J -- Mirell, C -- Calame, K -- GM29361/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Jan 18;227(4684):266-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3917575" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Formation ; B-Lymphocytes/immunology ; Base Sequence ; Cell Line ; *Enhancer Elements, Genetic ; Fibroblasts/immunology ; *Genes, Regulator ; Humans ; Immunoglobulin Constant Regions/genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin Variable Region/genetics ; Mice ; Transcription, Genetic
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  • 26
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    Parkinson's disease: an environmental cause? (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-07-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1985 Jul 19;229(4710):257-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3925554" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine ; Animals ; Haplorhini ; Humans ; Mice ; Parkinson Disease/*etiology ; Parkinson Disease, Secondary/chemically induced ; Pesticides/adverse effects ; Pyridines/adverse effects/metabolism ; Quebec ; Rats ; Substantia Nigra/drug effects
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  • 27
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    Why do inbred mice evolve so quickly? (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1985 Jun 7;228(4704):1187.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4039848" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Mice ; Mice, Inbred Strains/*genetics ; Species Specificity ; Time Factors
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  • 28
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    Molecular clocks scrutinized (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-05-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1985 May 3;228(4699):571.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3983640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Clocks ; DNA/metabolism ; Humans ; Mice ; Rats
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  • 29
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    DNA elements are asymmetrically joined during the site-specific recombination of kappa immunoglobulin genes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-10
    Description: Immunoglobulin K genes are constructed during lymphocyte differentiation by the joining of two DNA elements, VK and JK, to form both a VKJK coding unit and a reciprocal recombination product. The two products formed in single VK-to-JK joining events can be directly isolated through the use of a retrovirally introduced recombination substrate. The structural analysis of a number of recombinants and the derivation of secondary recombination products define some of the basic features of the mechanism of immunoglobulin gene assembly.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewis, S -- Gifford, A -- Baltimore, D -- New York, N.Y. -- Science. 1985 May 10;228(4700):677-85.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3158075" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteriophage lambda/genetics ; Base Sequence ; DNA/*genetics ; *Genes, MHC Class II ; Immunoglobulin J-Chains/genetics ; Immunoglobulin Light Chains/*genetics ; Immunoglobulin Variable Region/genetics ; Immunoglobulin kappa-Chains/*genetics ; Mice ; *Recombination, Genetic
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  • 30
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    Tumor necrosis factor (TNF) (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-11-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Old, L J -- New York, N.Y. -- Science. 1985 Nov 8;230(4726):630-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2413547" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; BCG Vaccine/therapeutic use ; Drug Synergism ; *Glycoproteins/isolation & purification/therapeutic use ; Humans ; Interferons/therapeutic use ; Macrophages/physiology ; Mice ; Neoplasms/therapy ; Neoplasms, Experimental/therapy ; Rabbits ; Tumor Necrosis Factor-alpha
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    Brain "identifier sequence" is not restricted to brain: similar abundance in nuclear RNA of other organs (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-20
    Description: A repeated 82 base pair sequence in genomic DNA of the rat was previously proposed as being a control element governing brain (neuron) specific genetic expression. This intronic sequence, termed the brain "identifier" (ID), is complementary to small RNA species localized in brain cytoplasm, and it was thought to be represented specifically in RNA produced by brain nuclei in vitro. The RNA blot analyses of total nuclear and polyadenylated heterogeneous nuclear RNA described in the present report show that this ID sequence is also present in the liver and kidney in abundances similar to those in the brain. This repeated sequence is not, therefore, restricted to transcripts produced in the brain as suggested from previous transcriptional "runoff" experiments. Measurements on rat and mouse nuclear RNA indicate that the abundance of ID sequence transcript is roughly proportional to the number of copies of this repeat in the respective genomes. This suggests a rather random genomic location and transcription of this sequence. From these results it seems improbable that the ID sequence functions as a transcriptional-level control element in genes expressed specifically in the brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Owens, G P -- Chaudhari, N -- Hahn, W E -- NS10813/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1985 Sep 20;229(4719):1263-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2412293" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Brain Chemistry ; Cloning, Molecular ; *Genes ; Kidney/analysis ; Liver/analysis ; Mice ; Neural Crest/analysis ; Nucleic Acid Hybridization ; RNA/*analysis ; Rats ; Transcription, Genetic
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    Vaccinia virus recombinants: expression of VSV genes and protective immunization of mice and cattle (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-25
    Description: Vesicular stomatitis virus (VSV) causes a contagious disease of horses, cattle, and pigs. When DNA copies of messenger RNA's for the G or N proteins of VSV were linked to a vaccinia virus promoter and inserted into the vaccinia genome, the recombinants retained infectivity and synthesized VSV polypeptides. After intradermal vaccination with live recombinant virus expressing the G protein, mice produced VSV-neutralizing antibodies and were protected against lethal encephalitis upon intravenous challenge with VSV. In cattle, the degree of protection against intradermalingually injected VSV was correlated with the level of neutralizing antibody produced following vaccination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mackett, M -- Yilma, T -- Rose, J K -- Moss, B -- New York, N.Y. -- Science. 1985 Jan 25;227(4685):433-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2981435" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/analysis ; Cattle ; Cattle Diseases/prevention & control ; *Cloning, Molecular ; DNA, Recombinant ; Genes, Viral ; *Membrane Glycoproteins ; Mice ; Operon ; Stomatitis/prevention & control/veterinary ; Vaccination/veterinary ; Vaccinia virus/*genetics ; Vesicular stomatitis Indiana virus/genetics/*immunology ; *Viral Envelope Proteins ; Viral Proteins/biosynthesis/*immunology ; Viral Vaccines/*immunology ; Virus Diseases/prevention & control/*veterinary
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    Geometrical differences among homologous neurons in mammals (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-19
    Description: The dendritic arbors of sympathetic neurons in different species of mammals vary systematically: the superior cervical ganglion cells of smaller mammals have fewer and less extensive dendrites than the homologous neurons in larger animals. This difference in dendritic complexity according to body size is reflected in the convergence of ganglionic innervation; the ganglion cells of progressively larger mammals are innervated by progressively more axons. These relations have implications both for the function of homologous neural systems in animals of different sizes and for the regulation of neuronal geometry during development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Purves, D -- Lichtman, J W -- NS 11699/NS/NINDS NIH HHS/ -- NS 18629/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1985 Apr 19;228(4697):298-302.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3983631" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/ultrastructure ; Body Constitution ; Cricetinae ; Dendrites/ultrastructure ; Ganglia, Spinal/ultrastructure ; Guinea Pigs ; Mice ; Neurons/physiology/*ultrastructure ; Rabbits ; Rats ; Species Specificity
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  • 34
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    Differential control of U1 small nuclear RNA expression during mouse development (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-20
    Description: During normal mouse development the relative amounts of two types of U1 small nuclear RNA's (U1 RNA) change significantly. Fetal tissues have comparable levels of the two major types of mouse U1 RNA's, mU1a and mU1b, whereas most differentiated adult tissues contain only mU1a RNA's. Those adult tissues that also accumulate detectable amounts of embryonic (mU1b) RNA's (for example, testis, spleen, and thymus) contain a significant proportion of stem cells capable of further differentiation. Several strains of mice express minor sequence variants of U1 RNA's that are subject to the same developmental controls as the major types of adult and embryonic U1 RNA. The differential accumulation of embryonic U1 RNA's may influence the pattern of gene expression during early development and differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lund, E -- Kahan, B -- Dahlberg, J E -- CA 33453/CA/NCI NIH HHS/ -- GM 30220/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Sep 20;229(4719):1271-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2412294" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Animals ; Base Sequence ; Brain/*growth & development/metabolism ; Cell Line ; Embryonic and Fetal Development ; Liver/*growth & development/metabolism ; Male ; Mice ; Mice, Inbred ICR ; Neoplastic Stem Cells/metabolism ; Nucleic Acid Hybridization ; RNA/*biosynthesis ; RNA, Messenger/biosynthesis ; RNA, Small Nuclear ; Testis/*growth & development/metabolism
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  • 35
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    U1 small nuclear RNA genes are subject to dosage compensation in mouse cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-07-19
    Description: Multiple copies of a gene that encodes human U1 small nuclear RNA were introduced into mouse C127 cells with bovine papilloma virus as the vector. For some recombinant constructions, the human U1 gene copies were maintained extrachromosomally on the viral episome in an unrearranged fashion. The relative abundance of human and mouse U1 small nuclear RNA varied from one cell line to another, but in some lines human U1 RNA accounted for as much as one-third of the total U1. Regardless of the level of human U1 expression, the total amount of U1 RNA (both mouse and human) in each cell line was nearly the same relative to endogenous mouse 5S or U2 RNA. This result was obtained whether measurements were made of total cellular U1 or of only the U1 in small nuclear ribonucleoprotein particles that could be precipitated with antibody directed against the Sm antigen. The data suggest that the multigene families encoding mammalian U1 RNA are subject to some form of dosage compensation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mangin, M -- Ares, M Jr -- Weiner, A M -- GM09148/GM/NIGMS NIH HHS/ -- GM31073/GM/NIGMS NIH HHS/ -- GM31335/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Jul 19;229(4710):272-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2409601" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoradiography ; Bovine papillomavirus 1/genetics ; Cell Line ; DNA, Recombinant ; *Dosage Compensation, Genetic ; Electrophoresis, Polyacrylamide Gel ; Genetic Vectors ; Humans ; Mice ; Plasmids ; RNA/*genetics/isolation & purification ; RNA, Small Nuclear ; Xenopus
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    Involvement of sialic acid on endothelial cells in organ-specific lymphocyte recirculation (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-24
    Description: Mouse lymphocytes incubated on cryostat-cut sections of lymphoid organs (lymph nodes and Peyer's patches) specifically adhere to the endothelium of high endothelial venules (HEV), the specialized blood vessels to which recirculating lymphocytes attach as they migrate from the blood into the parenchyma of the lymphoid organs. Treatment of sections with sialidase eliminated the binding of lymphocytes to peripheral lymph node HEV, had no effect on binding to Peyer's patch HEV, and had an intermediate effect on mesenteric lymph node HEV. These results suggest that sialic acid on endothelial cells may be an organ-specific recognition determinant for lymphocyte attachment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, S D -- Singer, M S -- Yednock, T A -- Stoolman, L M -- 1K08CA00959/CA/NCI NIH HHS/ -- GM235472/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 May 24;228(4702):1005-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4001928" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Adhesion ; Endothelium/*physiology ; Lymph Nodes/*blood supply ; Lymphocytes/*physiology ; Mice ; Neuraminidase/pharmacology ; Organ Specificity ; Peyer's Patches/*blood supply ; Sialic Acids/*physiology ; Venules
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    trans-4-Hydroxy-2-hexenal: a reactive metabolite from the macrocyclic pyrrolizidine alkaloid senecionine (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-02
    Description: The toxicity of macrocyclic pyrrolizidine alkaloids in the livers of man and animals has been attributed to the formation of reactive pyrroles from dihydropyrrolizines. Now a novel metabolite, trans-4-hydroxy-2-hexenal, has been isolated from the macrocyclic pyrrolizidine alkaloid senecionine, in an in vitro hepatic microsomal system. Other alkenals such as trans-4-hydroxy-2-nonenal have previously been isolated from microsomal systems when treated with halogenated hydrocarbons or subjected to lipid peroxidation. The in vivo pathology caused by trans-4-hydroxy-2-hexenal appears to be identical to that previously attributed to reactive pyrroles. There are similarities between the toxic effects of this alkenal and those of centrilobular hepatotoxins such as CCl4 and other alkenals formed during lipid peroxidation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Segall, H J -- Wilson, D W -- Dallas, J L -- Haddon, W F -- ES-03343/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 2;229(4712):472-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4012327" target="_blank"〉PubMed〈/a〉
    Keywords: Aldehydes/*metabolism/toxicity ; Animals ; Biotransformation ; Drug-Induced Liver Injury ; In Vitro Techniques ; Injections, Intravenous ; Lipid Peroxides/biosynthesis ; Liver Diseases/pathology ; Mice ; Microsomes, Liver/metabolism ; Necrosis/chemically induced ; Portal Vein ; Pyrrolizidine Alkaloids/*metabolism/toxicity ; Rats
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    Dissociation of antitumor potency from anthracycline cardiotoxicity in a doxorubicin analog (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-28
    Description: The search for new congeners of the leading anticancer drug doxorubicin has led to an analog that is approximately 1000 times more potent, noncardiotoxic at therapeutic dose levels, and non-cross-resistant with doxorubicin. The new anthracycline, 3'-deamino-3'-(3-cyano-4-morpholinyl)doxorubicin (MRA-CN), is produced by incorporation of the 3' amino group of doxorubicin in a new cyanomorpholinyl ring. The marked increase in potency was observed against human ovarian and breast carcinomas in vitro; it was not accompanied by an increase in cardiotoxicity in fetal mouse heart cultures. Doxorubicin and MRA-CN both produced typical cardiac ultrastructural and biochemical changes, but at equimolar concentrations. In addition, MRA-CN was not cross-resistant with doxorubicin in a variant of the human sarcoma cell line MES-SA selected for resistance to doxorubicin. Thus antitumor efficacy was dissociated from both cardiotoxicity and cross-resistance by this modification of anthracycline structure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sikic, B I -- Ehsan, M N -- Harker, W G -- Friend, N F -- Brown, B W -- Newman, R A -- Hacker, M P -- Acton, E M -- CA 24543/CA/NCI NIH HHS/ -- CA 32250/CA/NCI NIH HHS/ -- CA 33303/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 28;228(4707):1544-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4012308" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antineoplastic Agents ; Breast Neoplasms/drug therapy ; Cell Line ; Chemical Phenomena ; Chemistry ; Dose-Response Relationship, Drug ; Doxorubicin/adverse effects/*analogs & derivatives/therapeutic use ; Female ; Heart/drug effects ; Humans ; Isoenzymes ; L-Lactate Dehydrogenase/analysis ; Mice ; Myocardium/enzymology ; Ovarian Neoplasms/drug therapy ; Pregnancy
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    Recombinant human tumor necrosis factor-alpha: effects on proliferation of normal and transformed cells in vitro (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-22
    Description: Modulation of the growth of human and murine cell lines in vitro by recombinant human tumor necrosis factor-alpha (rTNF-alpha) and recombinant human interferon-gamma (rIFN-gamma) was investigated. rTNF-alpha had cytostatic or cytolytic effects on only some tumor cell lines. When administered together with rIFN-gamma, rTNF-alpha showed enhanced antiproliferative effects on a subset of the cell lines tested. In contrast to its effects on sensitive tumor cells, rTNF-alpha augmented the growth of normal diploid fibroblasts. Variations in the proliferative response induced by rTNF-alpha were apparently not due to differences in either the number of binding sites per cell or their affinity for rTNF-alpha. These observations indicate that the effects of rTNF-alpha on cell growth are not limited to tumor cells, but rather that this protein may have a broad spectrum of activities in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugarman, B J -- Aggarwal, B B -- Hass, P E -- Figari, I S -- Palladino, M A Jr -- Shepard, H M -- New York, N.Y. -- Science. 1985 Nov 22;230(4728):943-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3933111" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/*drug effects ; Cell Line ; Cell Survival/drug effects ; Cell Transformation, Neoplastic/pathology ; Drug Synergism ; Glycoproteins/*pharmacology ; Humans ; Interferon-gamma/pharmacology ; Mice ; Recombinant Proteins/*pharmacology ; Tumor Necrosis Factor-alpha
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    Physiological effects of transforming growth factor in the newborn mouse (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-16
    Description: Transforming growth factor-type alpha accelerated incisor eruption and eyelid opening in the newborn mouse and also retarded the growth rates of hair and body weight when administered in high dosage (0.7 to 4 micrograms per gram of body weight). The results of whole animal studies indicate that transforming growth factor-type alpha and epidermal growth factor do not differ significantly in these effects and suggest that transforming growth factor-type alpha may be important in immature animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tam, J P -- 36544/PHS HHS/ -- New York, N.Y. -- Science. 1985 Aug 16;229(4714):673-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3860952" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn/*physiology ; Body Weight ; Eyelids/growth & development ; Hair/growth & development ; Mice ; Peptides/*physiology ; Tooth Eruption ; Transforming Growth Factors
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    Reversal of oncogenesis by the expression of a major histocompatibility complex class I gene (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-05
    Description: The classical transplantation antigens (the major histocompatibility complex class I antigens) play a key role in host defense against cells expressing foreign antigens. Several naturally occurring tumors and virally transformed cells show an overall suppression of these surface antigens. Since the class I molecules are required in the presentation of neoantigens on tumor cells to the cytotoxic T lymphocytes, their absence from the cell surface may lead to the escape of these tumors from immunosurveillance. To test this possibility, a functional class I gene was transfected into human adenovirus 12-transformed mouse cells that do not express detectable levels of class I antigens; the transformants were tested for expression of the transfected gene and for changes in oncogenicity. The expression of a single class I gene, introduced by DNA-mediated gene transfer into highly tumorigenic adenovirus 12-transformed cells, was sufficient to abrogate the oncogenicity of these cells. This finding has important implications for the regulation of the malignant phenotype in certain tumors and for the potential modulation of oncogenicity through derepression of the endogenous class I genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanaka, K -- Isselbacher, K J -- Khoury, G -- Jay, G -- New York, N.Y. -- Science. 1985 Apr 5;228(4695):26-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3975631" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/immunology ; Cell Line ; Immunization ; *Major Histocompatibility Complex ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Neoplasm Transplantation ; Neoplasms, Experimental/genetics/*immunology ; Rats
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    Neurotrophic factors (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-07-19
    Description: In addition to nerve growth factor (NGF), many proteins present in soluble tissue extracts and in the extracellular matrix influence the survival and development of cultured neurons. The structure, synthesis, and mechanism of action of NGF as a neurotrophic factor are considered along with the experiments on the new putative trophic molecules.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thoenen, H -- Edgar, D -- New York, N.Y. -- Science. 1985 Jul 19;229(4710):238-42.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2409599" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cattle ; Cell Survival ; Cells, Cultured ; Chick Embryo ; Chickens ; Cyclic AMP/physiology ; DNA/genetics ; Extracellular Matrix/physiology ; Humans ; Ion Channels/physiology ; Male ; Mice ; Molecular Weight ; Myocardium/cytology ; Nerve Growth Factors/genetics/isolation & purification/*physiology ; Neurons/physiology ; Protein Precursors/genetics ; RNA, Messenger/metabolism ; Rats ; Receptors, Cell Surface/physiology ; Receptors, Nerve Growth Factor ; Sympathetic Nervous System/cytology
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    Reversal of experimental allergic encephalomyelitis with monoclonal antibody to a T-cell subset marker (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-25
    Description: Administration of a monoclonal antibody (GK1.5) that recognizes the L3T4 marker present on helper T cells prevented the development of experimental allergic encephalomyelitis (EAE) in mice. Furthermore, treatment with GK1.5 reversed EAE when the antibody was given to paralyzed animals. In vivo injection of GK1.5 selectively reduced the number of L3T4+ cells in the spleen and the lymph nodes. These results suggest that manipulation of the human equivalent of the murine L3T4+ T-cell subset with monoclonal antibodies may provide effective therapy for certain autoimmune diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waldor, M K -- Sriram, S -- Hardy, R -- Herzenberg, L A -- Lanier, L -- Lim, M -- Steinman, L -- GM-17367/GM/NIGMS NIH HHS/ -- NS-18235/NS/NINDS NIH HHS/ -- NS-571/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Jan 25;227(4685):415-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3155574" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/*therapeutic use ; Encephalomyelitis, Autoimmune, Experimental/pathology/*therapy ; Leukocyte Count ; Lymph Nodes/pathology ; Mice ; Spleen/pathology ; T-Lymphocytes, Helper-Inducer/*immunology
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    Phagocytes as carcinogens: malignant transformation produced by human neutrophils (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-03-08
    Description: In a study of the relation between chronic inflammation and carcinogenesis, C3H mouse fibroblasts of the 10T 1/2 clone 8 line (10T 1/2 cells) were exposed to human neutrophils stimulated to synthesize reactive oxygen intermediates or to a cell-free enzymatic system generating superoxide (xanthine oxidase plus hypoxanthine). After exposure, the 10T 1/2 cells were either placed in tissue culture or immediately injected into athymic nude mice. Both malignant and benign tumors developed in the mice injected with treated cells, but not in those injected with control cells; in one instance cells grown from one of the benign tumors subsequently developed a malignant phenotype. Malignant transformation was also observed in treated cells in the experiments in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weitzman, S A -- Weitberg, A B -- Clark, E P -- Stossel, T P -- CA 00962/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Mar 8;227(4691):1231-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3975611" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Transformation, Neoplastic/*immunology ; Humans ; Mice ; Mice, Inbred C3H ; Mice, Nude ; Neutrophils/metabolism/*physiology ; Oxidation-Reduction/drug effects ; Phagocytes/*physiology ; Tetradecanoylphorbol Acetate/pharmacology
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  • 45
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    Human immunoglobulin D: genomic sequence of the delta heavy chain (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-10
    Description: The DNA coding for the human immunoglobulin D(IgD) heavy chain (delta, delta) has been sequenced including the membrane and secreted termini. Human delta, like that of the mouse, has a separate exon for the carboxyl terminus of the secreted form. This feature of human and mouse IgD distinguishes it from all other immunoglobulins regardless of species or class. The human gene is different from that of the mouse; it has three, rather than two, constant region domains; and its lengthy hinge is encoded by two exons rather than one. Except for the third constant region, the human and mouse genes are only distantly related.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, M B -- Shen, A L -- Word, C J -- Tucker, P W -- Blattner, F R -- AI18016/AI/NIAID NIH HHS/ -- CA31013-04/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 May 10;228(4700):733-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3922054" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Humans ; Immunoglobulin D/*genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin delta-Chains/*genetics ; Lymphocytes/metabolism ; Mice ; RNA, Messenger/genetics ; Species Specificity
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  • 46
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    Cloning of a gene whose expression is increased in scrapie and in senile plaques in human brain (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-06
    Description: A complementary DNA library was constructed from messenger RNA's extracted from the brains of mice infected with the scrapie agent. The library was differentially screened with the objectives of finding clones that might be used as markers of infection and finding clones of genes whose increased expression might be correlated with the pathological changes common to scrapie and Alzheimer's disease. A gene was identified whose expression is increased in scrapie. The complementary DNA corresponding to this gene hybridized preferentially and focally to cells in the brains of scrapie-infected animals. The cloned DNA also hybridized to the neuritic plaques found with increased frequency in brains of patients with Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wietgrefe, S -- Zupancic, M -- Haase, A -- Chesebro, B -- Race, R -- Frey, W 2nd -- Rustan, T -- Friedman, R L -- New York, N.Y. -- Science. 1985 Dec 6;230(4730):1177-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3840915" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*genetics/pathology ; Animals ; Brain/*metabolism/pathology ; Cloning, Molecular ; Cricetinae ; DNA/genetics ; Humans ; Mice ; Nucleic Acid Hybridization ; RNA, Messenger/genetics ; Scrapie/*genetics/pathology ; Sheep
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  • 47
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    Assignment of the gene for myelin proteolipid protein to the X chromosome: implications for X-linked myelin disorders (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-22
    Description: Several inherited disorders in humans and in rodents result in myelin dysgenesis and a deficiency of the molecular constituents of myelin. A complementary DNA to one of the two major myelin proteins, myelin proteolipid protein (also known as lipophilin), has been used with Southern blot analysis of somatic cell hybrid DNA to map the human proteolipid protein gene to the middle of the long arm of the human X chromosome (bands Xq13-Xq22) and to assign the murine proteolipid protein gene to the mouse X chromosome. Comparison of the gene maps of the human and mouse X chromosomes suggests that myelin proteolipid protein may be involved in X-linked mutations at the mouse jimpy locus and has implications for Pelizaeus-Merzbacher disease, a human inherited X-linked myelin disorder.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Willard, H F -- Riordan, J R -- New York, N.Y. -- Science. 1985 Nov 22;230(4728):940-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3840606" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; DNA/genetics ; Demyelinating Diseases/*genetics ; Humans ; Mice ; Mice, Neurologic Mutants/*genetics ; Myelin Proteins/*genetics ; Proteolipids/*genetics ; Uteroglobin ; *X Chromosome
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  • 48
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    Malignant transformation of erythroid cells in vivo by introduction of a nonreplicating retrovirus vector (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-28
    Description: DNA from a replication-defective spleen focus-forming virus (SFFV) was reconstructed and transfected into psi-2 cells containing a packaging-defective mutant of Moloney murine leukemia virus. Replication-incompetent retrovirus particles (helper virus-free containing genomes that express the transforming envelope gene of SFFV (gp52) transformed bone marrow cells in vitro and, after direct intravenous introduction of the vector, induced malignant erythroid disease in vivo. Disease induction was dependent on prior treatment of mice with phenylhydrazine, which probably increased the availability of erythroid target cells. Since there was no evidence of virus particle expression in mice with malignant disease, this study demonstrates the acute oncogenic potential of a limited number of erythroid cells expressing SFFV gp52. Direct inoculation of animals with nonreplicating retroviral vectors containing transforming genes may be useful in study the oncogenic effects of such genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolff, L -- Ruscetti, S -- New York, N.Y. -- Science. 1985 Jun 28;228(4707):1549-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2990034" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/analysis ; *Cell Transformation, Neoplastic ; DNA Restriction Enzymes/metabolism ; DNA, Viral/metabolism ; Erythroblasts/*cytology ; Gene Expression Regulation ; Mice ; Oncogenes ; Phenotype ; Retroviridae/*genetics ; Spleen/microbiology ; Transfection ; Viral Envelope Proteins/genetics ; Virion/metabolism
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  • 49
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    Corticotropin-releasing activity of monokines (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-29
    Description: Hepatocyte-stimulating factor and interleukin-1 are proteins produced by monocytes in response to inflammatory challenge. Neither of these monokines had direct effects on steroid production by cultured adrenocortical cells. Both monokines stimulated pituitary cells (AtT-20) to release adrenocorticotropic hormone; interleukin-1 was equipotent with a combination of corticotropin-releasing factor and arginine vasopressin, and hepatocyte-stimulating factor was at least three times as effective. The synthetic glucocorticoid, dexamethasone, inhibited production of hepatocyte-stimulating factor by cultured monocytes. These results indicate an axis between monocytes and pituitary and adrenocortical cells which may play a role in regulating host defense.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woloski, B M -- Smith, E M -- Meyer, W J 3rd -- Fuller, G M -- Blalock, J E -- AI 18932/AI/NIAID NIH HHS/ -- IR01AM338-39-01A1/AM/NIADDK NIH HHS/ -- R01-H120201/PHS HHS/ -- New York, N.Y. -- Science. 1985 Nov 29;230(4729):1035-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2997929" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenal Glands/metabolism ; Adrenocorticotropic Hormone/*secretion ; Animals ; Interleukin-1/pharmacology ; Interleukin-6 ; Mice ; Monocytes/*physiology ; Monokines ; Pituitary-Adrenal System/*physiology ; Proteins/*pharmacology ; Secretory Rate/drug effects
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  • 50
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    Transformation of human bronchial epithelial cells transfected by Harvey ras oncogene (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-03-08
    Description: Transfection of normal human bronchial epithelial (NHBE) cells with a plasmid carrying the ras oncogene of Harvey murine sarcoma virus (v-Ha ras) changed the growth requirements, terminal differentiation, and tumorigenicity of the recipient cells. One of the cell lines isolated after transfection (TBE-1) was studied extensively and shown to contain v-Ha ras DNA. Total cellular RNA from TBE-1 cells hybridized to v-Ha ras structural gene fragment probes five to eight times more than RNA from parental NHBE cells. The TBE-1 cells expressed phosphorylated v-Ha ras polypeptide p21, showed a reduced requirement for growth-factor supplements, and became aneuploid as an early cellular response to v-Ha ras expression. As the transfectants acquire an indefinite life-span and anchorage independence they became transplantable tumor cells and showed many phenotypic changes suggesting a pleiotropic mechanism for the role of Ha ras in human carcinogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoakum, G H -- Lechner, J F -- Gabrielson, E W -- Korba, B E -- Malan-Shibley, L -- Willey, J C -- Valerio, M G -- Shamsuddin, A M -- Trump, B F -- Harris, C C -- New York, N.Y. -- Science. 1985 Mar 8;227(4691):1174-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3975607" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bronchi/*cytology/microbiology ; Carcinoma, Bronchogenic/genetics ; Cell Line ; Cell Transformation, Neoplastic/metabolism ; *Cell Transformation, Viral ; Culture Media ; DNA, Neoplasm/genetics ; Epithelial Cells ; Epithelium/microbiology ; Humans ; Lung Neoplasms/genetics ; Mice ; Mice, Nude ; Nucleic Acid Hybridization ; *Oncogenes ; Rats ; *Transfection
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  • 51
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    Expression of Plasmodium falciparum circumsporozoite proteins in Escherichia coli for potential use in a human malaria vaccine (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-24
    Description: The circumsporozoite (CS) protein of the human malaria parasite Plasmodium falciparum may be the most promising target for the development of a malaria vaccine. In this study, proteins composed of 16, 32, or 48 tandem copies of a tetrapeptide repeating sequence found in the CS protein were efficiently expressed in the bacterium Escherichia coli. When injected into mice, these recombinant products resulted in the production of high titers of antibodies that reacted with the authentic CS protein on live sporozoites and blocked sporozoite invasion of human hepatoma cells in vitro. These CS protein derivatives are therefore candidates for a human malaria vaccine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, J F -- Hockmeyer, W T -- Gross, M -- Ballou, W R -- Wirtz, R A -- Trosper, J H -- Beaudoin, R L -- Hollingdale, M R -- Miller, L H -- Diggs, C L -- New York, N.Y. -- Science. 1985 May 24;228(4702):958-62.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2988125" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibody Formation ; Antigens, Surface/genetics/*immunology ; Carcinoma, Hepatocellular ; Cell Line ; Cloning, Molecular ; Cross Reactions ; DNA, Recombinant ; Escherichia coli/genetics ; Humans ; Liver Neoplasms ; Malaria/*prevention & control ; Mice ; Plasmodium/immunology ; Plasmodium falciparum/genetics/*immunology/physiology ; *Protozoan Proteins ; Vaccines/*immunology
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  • 52
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    Identification of a transcriptional enhancer element upstream from the proto-oncogene fos (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-12-06
    Description: Sequences upstream from the proto-oncogene fos were shown to be essential for its transcription. Transient expression of the chloramphenicol acetyl-transferase (CAT) gene linked to upstream sequences of the fos gene including its promoter reveals that sequences located 64 to 404 base pairs 5' to the fos cap site contain a typical transcriptional enhancer. Moreover, these enhancer sequences, which are strikingly conserved between mouse and human fos genes, coincide with a deoxyribonuclease I-hypersensitive site in the chromatin. The expression of the fos-CAT fusion genes was stimulated only two to three times by the fos inducer 12-0-tetradecanoyl phorbol-13-acetate. The fos enhancer does not appear to be tissue-specific.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Deschamps, J -- Meijlink, F -- Verma, I M -- New York, N.Y. -- Science. 1985 Dec 6;230(4730):1174-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3865371" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/genetics ; Animals ; Chloramphenicol O-Acetyltransferase ; Chromatin/metabolism ; DNA, Recombinant ; Deoxyribonuclease I/metabolism ; *Enhancer Elements, Genetic ; *Genes, Regulator ; Humans ; Mice ; *Proto-Oncogenes ; *Transcription, Genetic
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  • 53
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    Murine retroviral vectors and human gene therapy (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, D N -- New York, N.Y. -- Science. 1985 May 10;228(4700):650, 653.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3857706" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Genetic Engineering/methods ; *Genetic Vectors ; Humans ; Mice ; Retroviridae/*genetics
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  • 54
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    Infection of the basal ganglia by a murine coronavirus (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-08-30
    Description: The coronavirus, mouse hepatitis virus strain A59 (MHV-A59), causes mild encephalitis and chronic demyelination. Immunohistochemical techniques showed that MHV-A59-infected C57BL/6 mice contained dense deposits of viral antigen in the subthalamic nucleus and substantia nigra, with fewer signs of infection in other regions of the brain. The animals showed extra- and intracellular vacuolation, neuronal loss, and gliosis in the subthalamic-nigral region. Such localization is unprecedented among known viral encephalitides of humans and other species. This infection by a member of a viral class capable of causing both encephalitis and persistent infection in several species may be related to postencephalitic parkinsonism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fishman, P S -- Gass, J S -- Swoveland, P T -- Lavi, E -- Highkin, M K -- Weiss, S R -- New York, N.Y. -- Science. 1985 Aug 30;229(4716):877-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2992088" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Viral/analysis ; Basal Ganglia/*microbiology ; Brain/microbiology/pathology ; Coronaviridae Infections/*microbiology ; Demyelinating Diseases/microbiology ; Diencephalon/*microbiology ; Encephalitis/*microbiology ; Endoplasmic Reticulum/microbiology ; Gliosis/microbiology ; Golgi Apparatus/microbiology ; Mice ; Mice, Inbred C57BL ; *Murine hepatitis virus/immunology ; Neurons/microbiology/ultrastructure ; Substantia Nigra/*microbiology ; Vacuoles/ultrastructure
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  • 55
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    Contribution of promoter to tissue-specific expression of the mouse immunoglobulin kappa gene (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-13
    Description: The immunoglobulin kappa (kappa) gene promoter was activated by a "neutral" enhancer derived from Harvey murine sarcoma virus (HaMuSV) in immunoglobulin-producing myeloma cells, regardless of the enhancer's orientation or position in the vector. In one fibroblast line (3T3) the immunoglobulin kappa gene promoter was completely inactive when linked to the HaMuSV enhancer, whereas in mouse L cells, promoter activity was observed only with the HaMuSV enhancer in tandem with the immunoglobulin kappa gene promoter. The differential behavior of the gene promoter, when activated by a neutral enhancer in these three murine cell lines, suggests that promoter sequences contribute to the tissue-specific expression of this gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gopal, T V -- Shimada, T -- Baur, A W -- Nienhuis, A W -- New York, N.Y. -- Science. 1985 Sep 13;229(4718):1102-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2994213" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Viral ; Fibroblasts/analysis ; *Gene Expression Regulation ; Immunoglobulin Light Chains/*genetics ; Immunoglobulin kappa-Chains/*genetics ; Mice ; Multiple Myeloma/metabolism ; *Operon ; Sarcoma Viruses, Murine
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  • 56
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    Functional coupling of gamma-aminobutyric acid receptors to chloride channels in brain membranes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-31
    Description: gamma-Aminobutyric acid (GABA), the major inhibitory neurotransmitter in mammalian brain, is believed to act by increasing membrane conductance of chloride ions. In this study it was found that GABA agonists increased the uptake of chloride-36 by cell-free membrane preparations from mouse brain. This influx was rapid (less than 5 seconds), and 13 micromolar GABA produced a half-maximal effect. The GABA antagonists (bicuculline and picrotoxin) blocked the effect of GABA, whereas pentobarbital enhanced the action. This may be the first demonstration of functional coupling among GABA and barbiturate receptors and chloride channels in isolated membranes. The technique should facilitate biochemical and pharmacological studies of GABA receptor-effector coupling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harris, R A -- Allan, A M -- AA03527/AA/NIAAA NIH HHS/ -- AA06399/AA/NIAAA NIH HHS/ -- New York, N.Y. -- Science. 1985 May 31;228(4703):1108-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2581319" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport/drug effects ; Brain/*physiology ; Cell-Free System ; Chlorides/*physiology ; Ion Channels/*physiology ; Membranes/physiology ; Mice ; Receptors, GABA-A/drug effects/*physiology ; Receptors, Neurotransmitter/physiology
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  • 57
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    cis- and trans-acting transcriptional regulation of visna virus (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-02
    Description: Visna virus is a pathogenic lentivirus of sheep that is related to human T-cell lymphotropic virus type III (HTLV-III), the probable etiologic agent of the acquired immune deficiency syndrome (AIDS). The transcriptional activity of visna virus promoter and enhancer sequences was studied by means of an assay based on the transient expression of the bacterial gene chloramphenicol acetyltransferase (CAT). The results suggest that the high level of expression of visna virus is due in part to cis-acting enhancer sequences that give the viral promoter a high level of transcriptional activity. In addition, the rate of transcription from the visna virus promoter situated in a plasmid expressing the CAT gene was much greater in infected than uninfected cells. This phenomenon of trans-acting transcriptional activation may involve either virally or cellularly encoded factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hess, J L -- Clements, J E -- Narayan, O -- NS-15721/NS/NINDS NIH HHS/ -- NS-16145/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 2;229(4712):482-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2990051" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/genetics ; Animals ; Base Sequence ; Cell Line ; Chloramphenicol O-Acetyltransferase ; Choroid Plexus ; Chromosome Mapping ; Enhancer Elements, Genetic ; *Genes, Regulator ; Goats ; Humans ; L Cells (Cell Line) ; Macrophages ; Mice ; Plasmids ; Promoter Regions, Genetic ; Sheep ; Synovial Membrane ; T-Lymphocytes ; *Transcription, Genetic ; Transfection ; Visna-maedi virus/*genetics
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  • 58
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    Protein-specific helper T-lymphocyte formation initiated by dendritic cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-02
    Description: Antibody responses to hapten-polypeptide conjugates require peptide-specific helper T cells. The latter can be primed in tissue culture by providing small numbers of dendritic cells. Primed, irradiated helper T cells then induce B-cell growth and differentiation in the apparent absence of dendritic cells. Both stages of the antibody response--the induction of helper T lymphoblasts by dendritic cells and the delivery of help from T to B cell--occur in discrete cell aggregates that can be isolated by velocity sedimentation. If helper T blasts revert to smaller "memory" lymphocytes, dendritic cells again are needed to initiate the antibody response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Inaba, K -- Steinman, R M -- AI 13013/AI/NIAID NIH HHS/ -- CA 30198/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Aug 2;229(4712):475-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3160115" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Formation ; Antigen-Presenting Cells/*physiology ; B-Lymphocytes/immunology ; Cell Adhesion ; Haptens/immunology ; Immunologic Memory ; In Vitro Techniques ; Macrophages/physiology ; Mice ; Proteins/*immunology ; Spleen/*cytology/physiology ; T-Lymphocytes/immunology ; T-Lymphocytes, Helper-Inducer/*physiology
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  • 59
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    Location of gene for beta subunit of human T-cell receptor at band 7q35, a region prone to rearrangements in T cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: The T-cell receptor is formed by two chains, alpha and beta, for which specific clones were recently obtained. In this report the gene for the beta chain of the human T-cell receptor was located on the long arm of chromosome 7, band q35, by means of in situ hybridization. This chromosome region in T cells is unusually prone to develop breaks in vivo, perhaps reflecting instability generated by somatic rearrangement of T-cell receptor genes during normal differentiation in this cell lineage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Isobe, M -- Erikson, J -- Emanuel, B S -- Nowell, P C -- Croce, C M -- CA15822/CA/NCI NIH HHS/ -- CA16685/CA/NCI NIH HHS/ -- GM20700/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 May 3;228(4699):580-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3983641" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Ataxia Telangiectasia/genetics ; Chromosome Aberrations/genetics ; Chromosome Disorders ; *Chromosome Mapping ; Chromosomes, Human, 13-15 ; Chromosomes, Human, 6-12 and X ; Female ; Humans ; Male ; Mice ; Receptors, Antigen, T-Cell/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Fluorogenic substrate detection of viable intracellular and extracellular pathogenic protozoa (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-25
    Description: Viable Leishmania promastigotes and amastigotes were detected by epifluorescence microscopy with fluorescein diacetate being used to mark living parasites and the nucleic acid-binding compound ethidium bromide to stain dead cells. This procedure is superior to other assays because it is faster and detects viable intracellular as well as extracellular Leishmania. Furthermore, destruction of intracellular pathogens by macrophages is more accurately determined with fluorescein diacetate than with other stains. The procedure may have applications in programs to develop drugs and vaccines against protozoa responsible for human and animal disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jackson, P R -- Pappas, M G -- Hansen, B D -- New York, N.Y. -- Science. 1985 Jan 25;227(4685):435-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2578226" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Ethidium ; *Fluoresceins ; Leishmania/isolation & purification/*physiology ; Macrophages/parasitology ; Mice ; Microscopy, Fluorescence ; Movement ; Parasitology/*methods ; Staining and Labeling
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    The generative grammar of the immune system (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jerne, N K -- New York, N.Y. -- Science. 1985 Sep 13;229(4718):1057-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4035345" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies/analysis ; Humans ; *Immune System ; Lymphocytes/physiology ; Mice
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    Partial primary structure of the alpha and beta chains of human tumor T-cell receptors (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-18
    Description: The T-cell receptor for antigen (Ti) was purified from the human tumor cell line HPB-ALL. Amino-terminal sequence analysis of an acid-cleaved peptide of the Ti alpha chain showed that it is highly homologous to a putative murine alpha chain recently described. Amino-terminal sequence analysis of the Ti beta chain revealed that it shares 50 percent homology with the Ti beta chain amino acid sequences from two other human T-cell tumors. Nucleotide sequence analysis of a complementary DNA clone encoding the Ti beta chain from the HPB-MLT cell line showed that this chain represents a second human constant region gene segment and suggested that it arises from direct joining of the variable and joining gene segments without any intervening D region sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, N -- Leiden, J -- Dialynas, D -- Fraser, J -- Clabby, M -- Kishimoto, T -- Strominger, J L -- Andrews, D -- Lane, W -- Woody, J -- 5 R01 AI15669/AI/NIAID NIH HHS/ -- AI10736/AI/NIAID NIH HHS/ -- Y001CP00502/CP/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jan 18;227(4684):311-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3871253" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Humans ; Immunoglobulin Constant Regions/genetics ; Leukemia, Lymphoid/immunology ; Lymphoma/immunology ; Mice ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Control of cytochrome P1-450 gene expression by dioxin (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-22
    Description: The environmental contaminant 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) may produce its effects by altering gene expression in susceptible cells. In mouse hepatoma cells, TCDD induces the transcription of the cytochrome P1-450 gene, whose product, aryl hydrocarbon hydroxylase, contributes both to the detoxification and to the metabolic activation of carcinogenic polycyclic aromatic hydrocarbons. A DNA fragment containing sequences flanking the 5' end of the cytochrome P1-450 gene was isolated and analyzed. This DNA fragment contains a cis-acting control element with at least three functional domains: a putative promoter, an inhibitory domain upstream from the promoter that blocks its function, and a TCDD-responsive domain still farther (1265 to 1535 base pairs) upstream of the promoter. These findings, together with results from earlier studies, imply that transcription of the cytochrome P1-450 gene is under both positive and negative control by at least two trans-acting regulatory factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, P B -- Galeazzi, D R -- Fisher, J M -- Whitlock, J P Jr -- CA09302/CA/NCI NIH HHS/ -- CA32786/CA/NCI NIH HHS/ -- GM07149/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Mar 22;227(4693):1499-502.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3856321" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyltransferases/biosynthesis/genetics ; Animals ; Cell Line ; Chloramphenicol O-Acetyltransferase ; Cytochrome P-450 Enzyme System/*genetics ; DNA, Recombinant ; Dioxins/*pharmacology ; Enzyme Induction ; Gene Expression Regulation/*drug effects ; *Genes, Regulator ; Liver Neoplasms, Experimental ; Mice ; *Promoter Regions, Genetic ; Tetrachlorodibenzodioxin/*pharmacology ; Transcription Factors/metabolism ; Transcription, Genetic/drug effects ; Transfection
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Microinjected c-myc as a competence factor (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-14
    Description: While a number of oncogenes are expressed in a cell cycle-dependent manner, their role in the control of cell proliferation can only be established by a direct functional assay. The c-myc protein, upon microinjection into nuclei of quiescent Swiss 3T3 cells, cooperated with platelet-poor plasma in the stimulation of cellular DNA synthesis. This suggests that c-myc protein, like platelet-derived growth factor (PDGF), may act as a competence factor in the cell cycle to promote the progression of cells to S phase. The presence in the medium of an antibody against PDGF abolished DNA synthesis induced by microinjected PDGF; however, the microinjected c-myc protein stimulated DNA synthesis even when its own antibody was present in the medium. The c-myc protein may act as an intracellular competence factor, while PDGF expresses its biological activity only from outside the cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaczmarek, L -- Hyland, J K -- Watt, R -- Rosenberg, M -- Baserga, R -- New York, N.Y. -- Science. 1985 Jun 14;228(4705):1313-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4001943" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Cycle/drug effects ; Cells, Cultured ; DNA/biosynthesis ; Mice ; *Oncogenes ; Platelet-Derived Growth Factor/pharmacology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Human dioxin-inducible cytochrome P1-450: complementary DNA and amino acid sequence (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-05
    Description: Induction of cytochrome P1-450 has been linked to susceptibility to certain chemically induced cancers in mouse and man. Treatment of the human cell line MCF-7 with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) results in high levels of aryl hydrocarbon (benzo[a]pyrene) hydroxylase (P1-450) activity. This cell line was used to isolate a human P1-450 full-length complementary DNA (cDNA) clone. The cDNA is 2566 nucleotides in length, encodes a polyadenylated messenger RNA (2.8 kilobases in length), and has a continuous reading frame producing a protein with 512 residues (molecular weight, 58,151). The human P1-450 cDNA and protein are 63 percent and 80 percent similar to mouse P1-450 cDNA and protein, respectively. Whereas the mouse TCDD-inducible P-450 gene subfamily has two members (P1-450 and P3-450), the human TCDD-inducible gene subfamily appears to have only one gene (P1-450).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaiswal, A K -- Gonzalez, F J -- Nebert, D W -- New York, N.Y. -- Science. 1985 Apr 5;228(4695):80-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3838385" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carcinogens/pharmacology ; Cell Line ; Cricetinae ; Cytochrome P-450 Enzyme System/*genetics ; DNA/*genetics ; Dioxins/*pharmacology ; Enzyme Induction ; Humans ; Mice ; Nucleic Acid Hybridization ; Rabbits ; Tetrachlorodibenzodioxin/*pharmacology
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    Digestive adaptations for fueling the cost of endothermy (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-12
    Description: Little is known about the digestive adaptations that enable mammals to sustain metabolic rates an order of magnitude higher than those of reptiles. Comparison of several features of digestion in mammals and lizards of similar size eating the same diet revealed that mammals processed food ten times faster and with the same or greater extraction efficiency. Transport kinetics and rates of nutrient absorption normalized to the quantity of intestinal tissue were similar in these two classes of vertebrates. The main basis for faster absorption in mammals is their much greater intestinal surface area.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Karasov, W H -- Diamond, J M -- AM17328/AM/NIADDK NIH HHS/ -- GM14772/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Apr 12;228(4696):202-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3975638" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport ; *Body Temperature ; Diet ; *Digestion ; Eating ; Glucose/metabolism ; Intestines/anatomy & histology/physiology ; Lizards/physiology ; Mice ; Proline/metabolism ; Rats
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    Transfection of v-rasH DNA into MCF-7 human breast cancer cells bypasses dependence on estrogen for tumorigenicity (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-10
    Description: The natural history of estrogen-responsive breast cancers often involves a phenotypic change to an estrogen-unresponsive, more aggressive tumor. The human breast cancer cell line, MCF-7, which requires estradiol for tumor formation in vivo and shows growth stimulation in response to estradiol in vitro, is a model for hormone-responsive tumors. The v-rasH onc gene was transfected into MCF-7 cells. The cloned MCF-7ras transfectants, which expressed the v-rasH messenger RNA and v-rasH p21 protein (21,000 daltons), were characterized. In contrast to the parental cell line, MCF-7ras cells no longer responded to exogenous estrogen in culture and their growth was minimally inhibited by exogenous antiestrogens. When tested in the nude mouse, the MCF-7ras cells were fully tumorigenic in the absence of estrogen supplementation. Thus, cells acquiring an activated onc gene can bypass the hormonal regulatory signals that trigger the neoplastic growth of a human breast cancer cell line.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kasid, A -- Lippman, M E -- Papageorge, A G -- Lowy, D R -- Gelmann, E P -- New York, N.Y. -- Science. 1985 May 10;228(4700):725-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4039465" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/chemically induced/*genetics ; Cell Line ; Cell Transformation, Neoplastic/*chemically induced ; DNA, Neoplasm/genetics ; Estrogens/*pharmacology ; Female ; Humans ; Mice ; Mice, Nude ; Neoplasms, Experimental/chemically induced/genetics ; *Oncogenes ; Pyrrolidines/pharmacology ; Repetitive Sequences, Nucleic Acid ; Thiophenes/pharmacology ; *Transfection
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    Insertion mutagenesis of embryonal carcinoma cells by retroviruses (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: Mutagenesis was studied in cultured F9 embryonal carcinoma cells infected with a variant of Moloney murine leukemia virus. Proviral insertion induced the inactivation of the hypoxanthine phosphoribosyltransferase locus, and the virus was used to isolate the mutated genes rapidly. Mutagenesis by these methods may be useful for the genetic dissection of the various mammalian cell phenotypes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, W -- Patel, M D -- Lobel, L I -- Goff, S P -- Nguyen-Huu, M C -- New York, N.Y. -- Science. 1985 May 3;228(4699):554-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3838595" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; DNA/genetics ; DNA, Neoplasm/genetics ; DNA, Recombinant/metabolism ; DNA, Viral/genetics ; Mice ; Moloney murine leukemia virus/physiology ; *Mutation ; Nucleic Acid Hybridization ; Rats ; Retroviridae/*physiology ; Teratoma/*genetics/microbiology
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    Human apolipoprotein B: structure of carboxyl-terminal domains, sites of gene expression, and chromosomal localization (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-04
    Description: Apolipoprotein (apo-) B is the ligand responsible for the receptor-mediated catabolism of low density lipoproteins, the principal cholesterol-transporting lipoproteins in plasma. The primary structure of the carboxyl-terminal 30 percent (1455 amino acids) of human apo-B (apo-B100) has been deduced from the nucleotide sequence of complementary DNA. Portions of the protein structure that may relate to its receptor binding function and lipid binding properties have been identified. The apo-B100 messenger RNA is about 19 kilobases in length. The apo-B100 gene is expressed primarily in liver and, to a lesser extent, in small intestine, but in no other tissues. The gene for apo-B100 is located in the p24 region (near the tip of the short arm) of chromosome 2.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knott, T J -- Rall, S C Jr -- Innerarity, T L -- Jacobson, S F -- Urdea, M S -- Levy-Wilson, B -- Powell, L M -- Pease, R J -- Eddy, R -- Nakai, H -- GM 20454/GM/NIGMS NIH HHS/ -- HO 05196/HO/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1985 Oct 4;230(4721):37-43.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2994225" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apolipoprotein B-100 ; Apolipoproteins B/analysis/*genetics ; Apolipoproteins E/analysis ; Base Sequence ; *Chromosome Mapping ; Chromosomes, Human, 1-3 ; DNA/analysis ; DNA Restriction Enzymes/metabolism ; Female ; *Gene Expression Regulation ; Haplorhini ; Humans ; Intestine, Small/metabolism ; Lipid Metabolism ; Lipoproteins, LDL/metabolism ; Liver/metabolism ; Mice ; RNA, Messenger/analysis ; Receptors, LDL/metabolism ; Structure-Activity Relationship
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    Protection of mice against fatal herpes simplex type 2 infection by liposomes containing muramyl tripeptide (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-26
    Description: Intravenous administration of liposomes containing muramyl tripeptide phosphatidylethanolamine, a lipophilic derivative of muramyl dipeptide that activates macrophages to a cytolytic state in situ, significantly protected mice against lethal challenge with herpes simplex virus type 2. These findings suggest that the systemic activation of macrophages by liposomes containing an immunomodulator can lead to prophylaxis of severe infections caused by herpesviruses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koff, W C -- Showalter, S D -- Hampar, B -- Fidler, I J -- New York, N.Y. -- Science. 1985 Apr 26;228(4698):495-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2984772" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylmuramyl-Alanyl-Isoglutamine/administration & dosage/*analogs & ; derivatives/therapeutic use ; Animals ; Antibodies, Viral/analysis ; Herpes Simplex/immunology/*prevention & control ; Injections, Intraperitoneal ; Injections, Intravenous ; Liposomes/administration & dosage ; Macrophage Activation/*drug effects ; Male ; Mice ; Mice, Inbred BALB C ; Phosphatidylethanolamines/*administration & dosage/therapeutic use ; Simplexvirus/immunology
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    Chromosomal locations of the murine T-cell receptor alpha-chain gene and the T-cell gamma gene (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-22
    Description: Two independent methods were used to identify the mouse chromosomes on which are located two families of immunoglobulin (Ig)-like genes that are rearranged and expressed in T lymphocytes. The genes coding for the alpha subunit of T-cell receptors are on chromosome 14 and the gamma genes, whose function is yet to be determined, are on chromosome 13. Since genes for the T-cell receptor beta chain were previously shown to be on mouse chromosome 6, all three of the Ig-like multigene families expressed and rearranged in T cells are located on different chromosomes, just as are the B-cell multigene families for the Ig heavy chain, and the Ig kappa and lambda light chains. The findings do not support earlier contentions that genes for T-cell receptors are linked to the Ig heavy chain locus (mouse chromosome 12) or to the major histocompatibility complex (mouse chromosome 17).〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kranz, D M -- Saito, H -- Disteche, C M -- Swisshelm, K -- Pravtcheva, D -- Ruddle, F H -- Eisen, H N -- Tonegawa, S -- CA-24051/CA/NCI NIH HHS/ -- CA-28900-04/CA/NCI NIH HHS/ -- GM 30476-03/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Feb 22;227(4689):941-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3918347" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Cricetinae ; Cricetulus ; Genes ; Humans ; Hybrid Cells/metabolism ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin alpha-Chains/*genetics ; Immunoglobulin gamma-Chains/*genetics ; Major Histocompatibility Complex ; Mice ; Receptors, Antigen, T-Cell/*genetics
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    A large deletion within the T-cell receptor beta-chain gene complex in New Zealand white mice (1985)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1985-07-12
    Description: The T-cell receptor beta-chain gene complex contains a duplication of D beta, J beta, and C beta gene segments in mice and man. When DNA from many inbred strains of mice was screened an unusual allele of the beta locus was identified in New Zealand White (NZW) mice. This allele is distinguished by the deletion of an 8.8-kilobase segment of DNA containing C beta 1, D beta 2 and the J beta 2 cluster. Despite the fact that all NZW T-cell receptors must be derived from a single set of beta-chain gene segments, this strain has functional T cells and is phenotypically normal. This deletion of T-cell receptor beta-chain segments occurs in a strain known to contribute to lupus-like autoimmune disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kotzin, B L -- Barr, V L -- Palmer, E -- AI 18785/AI/NIAID NIH HHS/ -- HD 197575/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1985 Jul 12;229(4709):167-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2990044" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA Restriction Enzymes/metabolism ; *Genes ; Mice ; Mice, Inbred Strains ; Phenotype ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Enhanced immunogenicity of the pre-S region of hepatitis B surface antigen (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-07
    Description: The 55 codons upstream of the gene sequence encoding the hepatitis B surface antigen (HBsAg) are called the pre-S(2) region. It has been proposed that polypeptides of high molecular weight that contain the pre-S(2) region should be included in future hepatitis B virus (HBV) vaccines. The pre-S(2) region and the S gene product [25 kilodalton (kD)] together compose a polypeptide of high molecular weight (33 kD). As an initial attempt to determine the relevance of the 33-kD polypeptide to development of an HBV vaccine, the murine immune response to pre-S(2)-encoded determinants as compared to S-encoded determinants on the same polypeptide was examined. The results indicate (i) the pre-S(2) region is significantly more immunogenic than the S region of HBsAg, (ii) the 26 amino acid residues at the NH2-terminus of the 33-kD polypeptide represent a dominant antibody binding site on the pre-S(2) region, (iii) the immune response to the pre-S(2) region is regulated by H-2-linked genes distinct from those that regulate the response to the S region, and (iv) immunization of an S region nonresponder strain with HBV envelope particles that contain both the pre-S(2) and S regions can circumvent nonresponsiveness to the S region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Milich, D R -- Thornton, G B -- Neurath, A R -- Kent, S B -- Michel, M L -- Tiollais, P -- Chisari, F V -- AI 00585/AI/NIAID NIH HHS/ -- AI 20001/AI/NIAID NIH HHS/ -- AI 20720/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 7;228(4704):1195-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2408336" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibody Formation ; Antibody Specificity ; Epitopes ; Genes, MHC Class II ; Genes, Viral ; Hepatitis B Antibodies/immunology ; Hepatitis B Surface Antigens/genetics/*immunology ; Mice ; Molecular Weight ; Protein Precursors/genetics/immunology ; Viral Hepatitis Vaccines/*immunology ; Viral Proteins/genetics/immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 74
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    Genes for beta chain of human T-cell antigen receptor map to regions of chromosomal rearrangement in T cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: The T-cell antigen receptor is a cell-surface molecule that participates in the immune response. In the present experiments the genes encoding the beta chain of the T-cell receptor were found to reside on the long arm of human chromosome 7 at or near band q32. Related sequences were found on the short arm of chromosome 7 in bands p15-21 in some experiments. Chromosomal rearrangements in T-cells from normal individuals and patients with ataxia telangiectasia have previously been observed at and near these map assignments for the beta-chain genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morton, C C -- Duby, A D -- Eddy, R L -- Shows, T B -- Seidman, J G -- CA-07511/CA/NCI NIH HHS/ -- GM-20454/GM/NIGMS NIH HHS/ -- HD-05196/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 May 3;228(4699):582-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3983642" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ataxia Telangiectasia/genetics ; Chromosome Aberrations/genetics ; Chromosome Disorders ; *Chromosome Mapping ; Chromosomes, Human, 6-12 and X ; DNA/genetics ; Genes ; Humans ; Hybrid Cells/metabolism ; Mice ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics
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  • 75
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    Human T-cell clones from autoimmune thyroid glands: specific recognition of autologous thyroid cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-05
    Description: The thyroid glands of patients with autoimmune diseases such as Graves' disease and certain forms of goiter contain infiltrating activated T lymphocytes and, unlike cells of normal glands, the epithelial follicular cells strongly express histocompatibility antigens of the HLA-DR type. In a study of such autoimmune disorders, the infiltrating T cells from the thyroid glands of two patients with Graves' disease were cloned in mitogen-free interleukin-2 (T-cell growth factor). The clones were expanded and their specificity was tested. Three types of clones were found. One group, of T4 phenotype, specifically recognized autologous thyroid cells. Another, also of T4 phenotype, recognized autologous thyroid or blood cells and thus responded positively in the autologous mixed lymphocyte reaction. Other clones derived from cells that were activated in vivo were of no known specificity. These clones provide a model of a human autoimmune disease and their analysis should clarify mechanisms of pathogenesis and provide clues to abrogating these undesirable immune responses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Londei, M -- Bottazzo, G F -- Feldmann, M -- New York, N.Y. -- Science. 1985 Apr 5;228(4695):85-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3871967" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Autoimmune Diseases/*immunology ; Clone Cells ; Graves Disease/immunology ; HLA-DR Antigens ; Histocompatibility Antigens Class II/immunology ; Major Histocompatibility Complex ; Mice ; T-Lymphocytes/*immunology ; Thyroid Diseases/*immunology ; Thyroid Gland/cytology/*immunology
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  • 76
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    Site-specific increased phosphorylation of pp60v-src after treatment of RSV-transformed cells with a tumor promoter (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-09-27
    Description: When vole cells that had been transformed by Rous sarcoma virus were treated with the tumor-promoting phorbol ester 12-O-tetradecanoyl-13-acetate (TPA), specific phosphorylation of pp60v-src was increased. Partial V8 protease mapping indicated that the increased phosphorylation occurred exclusively on serine residues located in the amino terminus of the molecule. Treatment of cells with dimethyl sulfoxide or 4 alpha-phorbol-12,13-didecanoate did not elicit this response. Two-dimensional tryptic phosphopeptide mapping of pp60v-src immunoprecipitated from untreated and TPA-treated cells indicated that a specific tryptic amino-terminal peptide was hyperphosphorylated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Purchio, A F -- Shoyab, M -- Gentry, L E -- New York, N.Y. -- Science. 1985 Sep 27;229(4720):1393-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2994221" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arvicolinae ; Carcinogens/*pharmacology ; Cell Transformation, Neoplastic/metabolism ; Cells, Cultured ; Dimethyl Sulfoxide/pharmacology ; Mice ; Mice, Inbred BALB C ; Oncogene Protein pp60(v-src) ; Phorbol Esters/pharmacology ; Phosphorylation ; Protein Kinase C ; Protein Kinases/metabolism ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/metabolism ; Sarcoma, Avian/*genetics ; Tetradecanoylphorbol Acetate/pharmacology ; Viral Proteins/*metabolism
    Print ISSN: 0036-8075
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  • 77
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    Neoplastic transformation of human epidermal keratinocytes by AD12-SV40 and Kirsten sarcoma viruses (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-08
    Description: Recent investigations have begun to dissect the number and nature of genetic alterations associated with cancer cells. In the present study, primary human epidermal keratinocytes acquired indefinite life-span in culture but did not undergo malignant conversion in response to infection with a hybrid of adenovirus 12 and simian virus 40. Addition of Kirsten murine sarcoma virus, which contains a K-ras oncogene, to these cells induced morphological alterations associated with the acquisition of neoplastic properties. These findings demonstrate the malignant transformation of human primary epithelial cells in culture and support a multiple-step process for neoplastic conversion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rhim, J S -- Jay, G -- Arnstein, P -- Price, F M -- Sanford, K K -- Aaronson, S A -- New York, N.Y. -- Science. 1985 Mar 8;227(4691):1250-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2579430" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoviruses, Human/*metabolism ; Animals ; Cell Transformation, Neoplastic/*metabolism ; Epithelial Cells ; Humans ; Keratins ; Kirsten murine sarcoma virus/*metabolism ; Mice ; Mice, Inbred C3H ; Mice, Nude ; Sarcoma Viruses, Murine/*metabolism ; Sarcoma, Experimental/metabolism ; Simian virus 40/*metabolism ; Skin/*cytology
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  • 78
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    Human recombinant granulocyte-macrophage colony-stimulating factor: a multilineage hematopoietin (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-06
    Description: Human recombinant granulocyte-macrophage colony-stimulating factor (GM-CSF) was tested for its ability to induce colony formation in human bone marrow that had been enriched for progenitor cells. In addition to its expected granulocyte-monocyte colony-stimulating activity, the recombinant GM-CSF had burst-promoting activity for erythroid burst-forming units and also stimulated colonies derived from multipotent (mixed) progenitors. In contrast, recombinant erythroid-potentiating activity did not stimulate erythroid progenitors. The experiments prove that human GM-CSF has multilineage colony-stimulating activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sieff, C A -- Emerson, S G -- Donahue, R E -- Nathan, D G -- Wang, E A -- Wong, G G -- Clark, S C -- New York, N.Y. -- Science. 1985 Dec 6;230(4730):1171-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3877981" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/*drug effects ; Colony-Stimulating Factors/biosynthesis/*pharmacology ; DNA/genetics ; Dose-Response Relationship, Drug ; Erythroblasts/drug effects ; Granulocytes/*drug effects ; Humans ; Macrophages/*drug effects ; Mice ; Recombinant Proteins/*pharmacology ; Stem Cells/drug effects ; T-Lymphocytes/drug effects
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 79
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    Effects on Trichinella spiralis of host responses to purified antigens (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-22
    Description: Purification of two antigens (48-kilodalton polypeptide and a group with major subunits of 50 and 55 kilodaltons) from the infective larvae of the parasitic nematode Trichinella spiralis was recently reported. Immunization of mice with either of these antigens induces strong resistance to a subsequent challenge infection. In the study reported here the mechanism of this resistance was investigated by monitoring the parasite's life cycle in mice immunized with the antigens. Immunized mice were able to expel intestinal adult worms and to inhibit the fecundity of adult female worms at an accelerated rate compared to control mice. Accelerated expulsion and inhibition of fecundity may account entirely for the level of resistance induced by immunization. Although the effects of the immune response apparently are exerted on adult worms, the target antigens are expressed only by developing larvae. This suggests that immune effector mechanisms act on intestinal larvae in such a way that they develop into defective adults.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Silberstein, D S -- Despommier, D D -- New York, N.Y. -- Science. 1985 Feb 22;227(4689):948-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3969571" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Helminth/immunology/*isolation & purification ; Female ; Immunization ; Larva ; Male ; Mice ; Trichinella/growth & development/*immunology ; Trichinellosis/immunology
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  • 80
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    Vaccination against Schistosoma mansoni with purified surface antigens (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-01
    Description: Two surface antigens were isolated from young or adult schistosomes by affinity chromatography with monoclonal antibodies. Vaccination with an antigen having a molecular weight of 155,000 gave partial protection against challenge in some batches of mice and in a group of cynomolgus monkeys. Vaccination with an antigen having a molecular weight of 53,000 gave similar levels of protection in mice. The results demonstrate that protection can be obtained with single antigens, but the precise requirements for reproducible vaccination are as yet unknown.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, M A -- Clegg, J A -- New York, N.Y. -- Science. 1985 Feb 1;227(4686):535-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3966161" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Antigens, Helminth/*immunology/isolation & purification ; Antigens, Surface/*immunology/isolation & purification ; Chromatography, Affinity ; Immunoglobulin E/biosynthesis ; Immunoglobulin G/biosynthesis ; Immunoglobulin M/biosynthesis ; Macaca fascicularis ; Macrophage Activation ; Mice ; Molecular Weight ; Schistosoma mansoni/*immunology ; Schistosomiasis/immunology/*prevention & control ; *Vaccination ; Vaccines
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  • 81
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    Molecular cloning of the complementary DNA for human tumor necrosis factor (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-12
    Description: Tumor necrosis factor (TNF) is a soluble protein that causes damage to tumor cells but has no effect on normal cells. Human TNF was purified to apparent homogeneity as a 17.3-kilodalton protein from HL-60 leukemia cells and showed cytotoxic and cytostatic activities against various human tumor cell lines. The amino acid sequence was determined for the amino terminal end of the purified protein, and oligodeoxyribonucleotide probes were synthesized on the basis of this sequence. Complementary DNA (cDNA) encoding human TNF was cloned from induced HL-60 messenger RNA and was confirmed by hybrid-selection assay, direct expression in COS-7 cells, and nucleotide sequence analysis. The human TNF cDNA is 1585 base pairs in length and encodes a protein of 233 amino acids. The mature protein begins at residue 77, leaving a long leader sequence of 76 amino acids. Expression of high levels of human TNF in Escherichia coli was accomplished under control of the bacteriophage lambda PL promoter and gene N ribosome binding site.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, A M -- Creasey, A A -- Ladner, M B -- Lin, L S -- Strickler, J -- Van Arsdell, J N -- Yamamoto, R -- Mark, D F -- New York, N.Y. -- Science. 1985 Apr 12;228(4696):149-54.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3856324" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Line ; Cells, Cultured ; *Cloning, Molecular ; DNA/*genetics ; DNA, Recombinant/metabolism ; Glycoproteins/*genetics/isolation & purification/pharmacology ; Humans ; Leukemia, Myeloid/metabolism ; Mice ; Mice, Nude ; Neoplasms, Experimental/drug therapy ; Nucleic Acid Hybridization ; RNA, Messenger/genetics ; Rabbits ; Rats ; Tumor Necrosis Factor-alpha ; Xenopus
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  • 82
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    A transgenic mouse model of the chronic hepatitis B surface antigen carrier state (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-06
    Description: In an attempt to establish a model of the healthy carrier state in hepatitis B virus (HBV) infections, transgenic mice expressing HBV genes were produced. Fertilized one-cell eggs were microinjected with subgenomic fragments of HBV DNA containing the coding regions for the HBV surface antigen (HBsAg) and pre-S and X antigens. Either the normal (HBV) or metallothionein promoters were used to obtain expression of the HBV genes. There was no evidence of viral replication or tissue pathology. The integrated HBV DNA sequences were inherited in a normal Mendelian fashion. Three of 16 transgenic mice expressed HBV-encoded gene products to which they were immunologically tolerant. Expression was not tissue specific and may be influenced by the genomic integration site and cellular factors. Both HBsAg and pre-S antigen were detectable within the cytoplasm of hepatocytes and renal tubular epithelial cells. High serum concentrations of HBsAg were detectable and the secreted product appeared authentic as judged by mean density, morphology, mean particle diameter, polypeptide composition, and antigenicity. The absence of tissue pathology in these immunologically tolerant animals supports the hypothesis that cellular injury under these conditions is not a direct consequence of expression of the pre-S or HBs regions of the HBV genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chisari, F V -- Pinkert, C A -- Milich, D R -- Filippi, P -- McLachlan, A -- Palmiter, R D -- Brinster, R L -- AI00585/AI/NIAID NIH HHS/ -- AI20001/AI/NIAID NIH HHS/ -- AI20720/AI/NIAID NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Dec 6;230(4730):1157-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3865369" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carrier State/*genetics/immunology ; *Disease Models, Animal ; *Genetic Engineering ; Hepatitis B/*genetics/immunology ; Hepatitis B Surface Antigens/*genetics ; Hepatitis B virus/genetics ; Humans ; Liver/microbiology ; Mice ; Mice, Inbred C57BL/genetics ; Nucleic Acid Hybridization
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  • 83
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    Hernandulcin: an intensely sweet compound discovered by review of ancient literature (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-25
    Description: Ancient Mexican botanical literature was systematically searched for new plant sources of intensely sweet substances. Lippia dulcis Trev., a sweet plant, emerged as a candidate for fractionation studies, and hernandulcin, a sesquiterpene, was isolated and judged by a human taste panel as more than 1000 times sweeter than sucrose. The structure of the sesquiterpene was determined spectroscopically and confirmed by chemical synthesis. Hernandulcin was nontoxic when administered orally to mice, and it did not induce bacterial mutation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Compadre, C M -- Pezzuto, J M -- Kinghorn, A D -- Kamath, S K -- N01-DE-02425/DE/NIDCR NIH HHS/ -- New York, N.Y. -- Science. 1985 Jan 25;227(4685):417-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3880922" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bibliography as Topic ; Botany/history ; Chemistry ; History, 16th Century ; Humans ; Magnetic Resonance Spectroscopy ; Mexico ; Mice ; Molecular Conformation ; Mutagenicity Tests ; *Plants/analysis ; *Sesquiterpenes/chemical synthesis/isolation & purification/toxicity ; *Sweetening Agents/chemical synthesis/history/isolation & purification/toxicity
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  • 84
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    Expression of two variant surface glycoproteins on individual African trypanosomes during antigen switching (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-07-12
    Description: Individual Trypanosoma brucei rhodesiense organisms were observed in the process of switching variant surface glycoproteins (VSG's). During this switch, trypanosomes simultaneously expressed both pre- and postswitch VSG's uniformly over their surface as detected with monoclonal antibodies. Analysis of this switching event showed that trypanosomes expressing any one of three distinct preswitch VSG's could switch to expression of from one to three different postswitch VSG's. Up to 2.7 percent of the trypanosome population was in the process of switching at one time.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Esser, K M -- Schoenbechler, M J -- New York, N.Y. -- Science. 1985 Jul 12;229(4709):190-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3892689" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; *Antigens, Protozoan ; *Antigens, Surface ; Cell Cycle ; Fluorescein ; Fluoresceins ; Fluorescent Antibody Technique ; Genes ; Mice ; Rhodamines ; Time Factors ; Trypanosoma brucei gambiense/*immunology ; Trypanosomiasis, African/immunology
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  • 85
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    Expression of a microinjected porcine class I major histocompatibility complex gene in transgenic mice (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: A porcine class I major histocompatibility complex (SLA) gene has been introduced into the genome of a C57BL/10 mouse. This transgenic mouse expressed SLA antigen on its cell surfaces and transmitted the gene to offspring, in which the gene is also expressed. Skin grafts of such transgenic mice were rejected by normal C57BL/10 mice, suggesting that the foreign SLA antigen expressed in the transgenic mice is recognized as a functional transplantation antigen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frels, W I -- Bluestone, J A -- Hodes, R J -- Capecchi, M R -- Singer, D S -- GM 07825/GM/NIGMS NIH HHS/ -- GM 2116B/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 May 3;228(4699):577-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3885396" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA/genetics ; Female ; Genes ; Genetic Engineering ; Graft Rejection ; H-2 Antigens/genetics ; *Major Histocompatibility Complex ; Male ; Mice ; Mice, Inbred C57BL/genetics ; Microinjections ; Nucleic Acid Hybridization ; Skin Transplantation ; Swine
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  • 86
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    Selective loss of a family of gene transcripts in a hereditary murine cataract (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-04
    Description: The eye lens of the Fraser mouse contains a dominantly inherited cataract with reduced amounts of seven distinct but homologous gamma crystallins encoded by a family of gamma-crystallin genes. The results of experiments with cultured lenses, cell-free RNA translation, and Northern blot hybridization indicated a specific loss of the family of gamma-crystallin messenger RNA's in the Fraser mouse lens. Southern blot hybridization of genomic DNA's from normal and Fraser mice showed no differences in gamma-crystallin coding sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Garber, A T -- Winkler, C -- Shinohara, T -- King, C R -- Inana, G -- Piatigorsky, J -- Gold, R J -- New York, N.Y. -- Science. 1985 Jan 4;227(4682):74-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3964960" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cataract/*genetics ; Crystallins/*genetics ; Genes ; Lens, Crystalline/metabolism ; Mice ; Mice, Mutant Strains ; Nucleic Acid Hybridization ; Protein Biosynthesis ; RNA, Messenger/genetics
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  • 87
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    Detection of a cellular oncogene in spontaneous liver tumors of B6C3F1 mice (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-05-03
    Description: An active cellular oncogene was demonstrated in hepatocellular neoplasms arising spontaneously in 24-month-old B6C3F1 mice. DNA isolated from the tumorous tissue and transfected into NIH 3T3 cells showed an 82 percent (9 of 11 animals) frequency of foci induction. In contrast, DNA isolated from the surrounding nontumorous hepatic tissue from the same animals and DNA from other 24-month-old B6C3F1 mice without tumors did not cause transformation in the NIH 3T3 cell assay. This strain of mouse is used extensively in carcinogen bioassays, and the observed high frequency of transformation (82 percent, compared to 10 to 20 percent in humans) supports the concept that the B6C3F1 mouse is hypersusceptible to liver tumor development. It also emphasizes the need to further understand the mechanisms of oncogene activation in animals used for long-term studies of toxicity and oncogenicity before evaluating potential human risk.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, T R -- Watanabe, P G -- New York, N.Y. -- Science. 1985 May 3;228(4699):596-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3983645" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinogens/pharmacology ; Cattle ; DNA, Neoplasm/genetics ; Humans ; Liver Neoplasms/chemically induced/*genetics ; Mice ; Mice, Inbred C3H ; *Oncogenes ; Rats
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  • 88
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    Circadian timing of cancer chemotherapy (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-05
    Description: Animal studies have indicated that the time of administration of adriamycin and cisplatin, two widely used anticancer drugs, has a profound effect on their toxicity. This effect in cancer chemotherapy was studied in 31 patients with advanced ovarian cancer. Patients received at least eight monthly courses of adriamycin that were followed 12 hours later by cisplatin, with adriamycin randomly administered at either 6 a.m. or 6 p.m. The results show that in the group receiving adriamycin in the evening and cisplatin in the morning (i) twice as many patients required reductions in dosage and delays in treatment, (ii) four times as many treatments had to be delayed, (iii) drug dosages had to be modified downward three times as often, and (iv) even with more dose attenuation and treatment delays, treatment complications were still about two times more common as in the group receiving adriamycin in the morning and cisplatin in the evening. These findings show that the circadian stage at which anticancer drugs are given to patients should be carefully considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hrushesky, W J -- 5M-01RR00400/RR/NCRR NIH HHS/ -- R01 CA 31635/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Apr 5;228(4695):73-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3883493" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antineoplastic Agents/*administration & dosage/adverse effects ; *Circadian Rhythm ; Cisplatin/administration & dosage/adverse effects ; Clinical Trials as Topic ; Doxorubicin/administration & dosage/adverse effects ; Drug Administration Schedule ; Female ; Humans ; Mice ; Neoplasms/*drug therapy ; Ovarian Neoplasms/drug therapy ; Random Allocation ; Rats
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  • 89
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    Interactions between the gonadal steroids and the immune system (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-18
    Description: The immune system is regulated by the gonadal steroids estrogen, androgen, and progesterone, but the circulating levels of these steroids can also be affected by immune system function. Such interactions appear to be mediated through the hypothalamic-pituitary-gonadal-thymic axis and depend on pituitary luteinizing hormone released by thymic factors under the control of the gonadal steroids.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grossman, C J -- New York, N.Y. -- Science. 1985 Jan 18;227(4684):257-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3871252" target="_blank"〉PubMed〈/a〉
    Keywords: Androgens/physiology ; Animals ; Antibody Formation ; Castration ; Cricetinae ; Estrogens/physiology ; Female ; Gonadal Steroid Hormones/*physiology ; Guinea Pigs ; Hypothalamo-Hypophyseal System/physiology ; *Immunity ; Male ; Mice ; Ovary/physiology ; Pregnancy ; Rabbits ; Rats ; T-Lymphocytes/physiology ; Testis/physiology ; Thymosin/physiology ; Thymus Gland/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 90
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    The granulocyte-macrophage colony-stimulating factors (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-07-05
    Description: The granulocyte-macrophage colony-stimulating factors are well-characterized specific glycoproteins that interact to control the production, differentiation, and function of two related white cell populations of the blood, the granulocytes and monocyte-macrophages. Widely produced in the body, these regulators probably play an important role in resistance to infections. The proliferation of myeloid leukemia cells remains dependent on stimulation by colony-stimulating factors, although one of them also has the ability to suppress leukemic populations by inducing terminal differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Metcalf, D -- CA-22556/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jul 5;229(4708):16-22.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2990035" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow Cells ; Cell Differentiation ; Cell Division ; Cell Survival ; Cloning, Molecular ; Colony-Stimulating Factors/*physiology ; Granulocytes/*physiology ; *Hematopoiesis ; Humans ; Leukemia, Myeloid, Acute/physiopathology ; Macrophages/*physiology ; Mice ; Molecular Weight ; Receptors, Cell Surface/physiology ; Receptors, Colony-Stimulating Factor ; Species Specificity
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 91
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    Inhibition of interferon-gamma may suppress allograft reactivity by T lymphocytes in vitro and in vivo (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-07-12
    Description: The addition to mixed-leukocyte reactions of monoclonal antibodies to interferon-gamma abrogated alloantigen recognition and induction of cytotoxic T lymphocytes by inducing early and highly effective suppressor T lymphocytes. This inhibitory activity was not confined to in vitro models, since daily injection of the antibodies into CBA/J mice blocked the usual rejection of allogenic tumor cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Landolfo, S -- Cofano, F -- Giovarelli, M -- Prat, M -- Cavallo, G -- Forni, G -- New York, N.Y. -- Science. 1985 Jul 12;229(4709):176-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3160110" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Cytotoxicity, Immunologic ; *Graft Rejection ; Interferon-gamma/*physiology ; Lymphocyte Culture Test, Mixed ; Mice ; Neoplasm Transplantation ; T-Lymphocytes/*immunology ; Time Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
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    Gene transfer and expression of human phenylalanine hydroxylase (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-05
    Description: Phenylketonuria (PKU) is caused by a genetic deficiency of the enzyme phenylalanine hydroxylase (PAH). A full-length complementary DNA clone of human PAH was inserted into a eukaryotic expression vector and transferred into mouse NIH3T3 cells which do not normally express PAH. The transformed mouse cells expressed PAH messenger RNA, immunoreactive protein, and enzymatic activity that are characteristic of the normal human liver products, demonstrating that a single gene contains all of the necessary genetic information to code for functional PAH. These results support the use of the human PAH probe in prenatal diagnosis and detection of carriers, to provide new opportunities for the biochemical characterization of normal and mutant enzymes, and in the investigation of alternative genetic therapies for PKU.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ledley, F D -- Grenett, H E -- DiLella, A G -- Kwok, S C -- Woo, S L -- HD-06495/HD/NICHD NIH HHS/ -- HD-17711/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1985 Apr 5;228(4695):77-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3856322" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cloning, Molecular ; DNA, Recombinant/metabolism ; *Genetic Engineering ; Humans ; Mice ; Nucleic Acid Hybridization ; Phenylalanine Hydroxylase/*genetics ; Phenylketonurias/diagnosis/genetics ; Prenatal Diagnosis ; Rats
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    Peptide neurotoxins from fish-hunting cone snails (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-20
    Description: To paralyze their more agile prey, the venomous fish-hunting cone snails (Conus) have developed a potent biochemical strategy. They produce several classes of toxic peptides (conotoxins) that attack a series of successive physiological targets in the neuromuscular system of the fish. The peptides include presynaptic omega-conotoxins that prevent the voltage-activated entry of calcium into the nerve terminal and release of acetylcholine, postsynaptic alpha-conotoxins that inhibit the acetylcholine receptor, and muscle sodium channel inhibitors, the mu-conotoxins, which directly abolish muscle action potentials. These distinct peptide toxins share several common features: they are relatively small (13 to 29 amino acids), are highly cross-linked by disulfide bonds, and strongly basic. The fact that they inhibit sequential steps in neuromuscular transmission suggests that their action is synergistic rather than additive. Five new omega-conotoxins that block presynaptic calcium channels are described. They vary in their activity against different vertebrate classes, and also in their actions against different synapses from the same animal. There are susceptible forms of the target molecule in peripheral synapses of fish and amphibians, but those of mice are resistant. However, the mammalian central nervous system is clearly affected, and these toxins are thus of potential significance for investigating the presynaptic calcium channels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Olivera, B M -- Gray, W R -- Zeikus, R -- McIntosh, J M -- Varga, J -- Rivier, J -- de Santos, V -- Cruz, L J -- GM 22737/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1985 Dec 20;230(4732):1338-43.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4071055" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Feeding Behavior ; Fishes ; Mice ; Mollusk Venoms/*isolation & purification/toxicity ; Neurotoxins/*isolation & purification ; Peptide Fragments/analysis ; Snails/*physiology ; Species Specificity ; Structure-Activity Relationship
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  • 94
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    Chromosomal locations of human tissue plasminogen activator and urokinase genes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-08
    Description: A panel of human-mouse somatic cell hybrids and specific complementary DNA probes were used to map the human tissue plasminogen activator and urokinase genes to human chromosomes 8 and 10, respectively. This result is in contrast to a previous assignment of a plasminogen activator gene to chromosome 6. As neoplastic cells produce high levels of plasminogen activator, it is of interest that aberrations of chromosome 8 have been linked to various leukemias and lymphomas and that two human oncogenes, c-mos and c-myc, have also been mapped to chromosome 8.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rajput, B -- Degen, S F -- Reich, E -- Waller, E K -- Axelrod, J -- Eddy, R L -- Shows, T B -- GM20454/GM/NIGMS NIH HHS/ -- HD05196/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1985 Nov 8;230(4726):672-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3840278" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, 6-12 and X ; DNA/genetics ; Genes ; Humans ; Hybrid Cells ; Leukemia/genetics ; Lymphoma/genetics ; Mice ; Nucleic Acid Hybridization ; Oncogenes ; Plasminogen Activators/*genetics ; Urokinase-Type Plasminogen Activator/*genetics
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  • 95
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    The product of the c-fms proto-oncogene: a glycoprotein with associated tyrosine kinase activity (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-19
    Description: The c-fms proto-oncogene is a member of a gene family that has been implicated in tumorigenesis. Glycoproteins encoded by c-fms were identified in cat spleen cells by means of an immune-complex kinase assay performed with monoclonal antibodies to v-fms-coded epitopes. The major form of the normal cellular glycoprotein has an apparent molecular weight of 170,000 and, like the product of the viral oncogene, serves as a substrate for an associated tyrosine-specific protein kinase activity in vitro. The results suggest that the transforming glycoprotein specified by v-fms is a truncated form of a c-fms-coded growth factor receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rettenmier, C W -- Chen, J H -- Roussel, M F -- Sherr, C J -- 1 RO1 CA 38187/CA/NCI NIH HHS/ -- RR-05584-20/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1985 Apr 19;228(4697):320-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2580348" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Cats ; Glycoproteins/immunology/*metabolism ; Humans ; Mice ; Molecular Weight ; Neoplasm Proteins/immunology/*metabolism ; *Oncogenes ; Phosphorylation ; Protein Kinases/*metabolism ; Protein-Tyrosine Kinases ; RNA/metabolism ; Rats
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  • 96
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    Psoriatic fibroblasts induce hyperproliferation of normal keratinocytes in a skin equivalent model in vitro (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-08
    Description: A skin equivalent model has been used to fabricate tissues with psoriatic and normal cells. Psoriatic fibroblasts can induce hyperproliferative activity in normal keratinocytes. The psoriatic epidermis from lesions continues to proliferate at high rates for at least 15 days in this model, and normal fibroblasts are unable to suppress this hyperproliferation. The primary defect in psoriatic skin may reside in the dermal fibroblast.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saiag, P -- Coulomb, B -- Lebreton, C -- Bell, E -- Dubertret, L -- New York, N.Y. -- Science. 1985 Nov 8;230(4726):669-72.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2413549" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Collagen/physiology ; Epidermis/*cytology ; Female ; Fibroblasts/*physiology ; Humans ; In Vitro Techniques ; Keratins/*physiology ; Male ; Mice ; Mice, Nude ; Psoriasis/*physiopathology ; Skin/*cytology/growth & development
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    Location of the c-yes gene on the human chromosome and its expression in various tissues (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-01
    Description: Analysis of DNA from human embryo fibroblasts showed that ten Eco RI fragments were hybridizable with the Yamaguchi sarcoma virus oncogene (v-yes). Four of the Eco RI fragments were assigned to chromosome 18 and one to chromosome 6. There was evidence for multiple copies of yes-related genes in the human genome; however, only a single RNA species, 4.8 kilobases in length, was related to yes in various cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Semba, K -- Yamanashi, Y -- Nishizawa, M -- Sukegawa, J -- Yoshida, M -- Sasaki, M -- Yamamoto, T -- Toyoshima, K -- New York, N.Y. -- Science. 1985 Mar 1;227(4690):1038-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2983418" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avian Sarcoma Viruses/genetics ; Base Sequence ; *Chromosome Mapping ; Chromosomes, Human, 16-18 ; Chromosomes, Human, 6-12 and X ; DNA/genetics ; Humans ; Hybrid Cells/metabolism ; Mice ; Nucleic Acid Hybridization ; *Oncogenes ; Transduction, Genetic
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  • 98
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    Deletion in chromosome 11p associated with a hepatitis B integration site in hepatocellular carcinoma (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-10-18
    Description: Hepatitis B virus (HBV), a virus with known carcinogenic potential, integrates into cellular DNA during long-term persistent infection in man. Hepatocellular carcinomas isolated from viral carriers often contain clonally propagated viral DNA integrations. As small chromosomal deletions are associated with several types of carcinomas, the occurrence of chromosomal deletions in association with HBV integration in hepatocellular carcinoma was studied. HBV integration was accompanied by a deletion of at least 13.5 kilobases of cellular sequences in a human hepatocellular carcinoma. The viral DNA integration and deletion of cellular sequences occurred on the short arm of chromosome 11 at location 11p13-11p14. The cellular sequences that were deleted at the site of HBV integration were lost from the tumor cells, leaving only a single copy of the remaining cellular allele.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rogler, C E -- Sherman, M -- Su, C Y -- Shafritz, D A -- Summers, J -- Shows, T B -- Henderson, A -- Kew, M -- AM17702/AM/NIADDK NIH HHS/ -- CA32605/CA/NCI NIH HHS/ -- CA37232-02/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Oct 18;230(4723):319-22.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2996131" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Carcinoma, Hepatocellular/*genetics/microbiology ; *Chromosome Deletion ; *Chromosomes, Human, 6-12 and X ; Cloning, Molecular ; DNA Restriction Enzymes ; DNA, Viral/genetics ; Hepatitis B virus/*genetics ; Humans ; Hybrid Cells/cytology ; Liver Neoplasms/*genetics/microbiology ; Mice ; Nucleic Acid Hybridization
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Trans activation of the bovine leukemia virus long terminal repeat in BLV-infected cells (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-18
    Description: The transcription initiation signals for retroviruses lie within the long terminal repeat (LTR) sequences that flank the integrated provirus. This study shows that factors present in cells infected with bovine leukemia virus (BLV) mediate transcriptional trans activation of the BLV LTR. This phenomenon is similar to that reported for the human T-cell leukemia virus LTR and establishes both structural and functional criteria for inclusion of BLV and human T-cell leukemia viruses in the same family of transforming retroviruses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosen, C A -- Sodroski, J G -- Kettman, R -- Burny, A -- Haseltine, W A -- CA07094/CA/NCI NIH HHS/ -- CA36974/CA/NCI NIH HHS/ -- CA97580/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jan 18;227(4684):320-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2981432" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Transformation, Viral ; Chiroptera ; Deltaretrovirus/genetics ; Genes, Regulator ; Humans ; Leukemia Virus, Bovine/*genetics ; Mice ; RNA, Viral/*genetics ; *Repetitive Sequences, Nucleic Acid ; Retroviridae/*genetics ; Sheep ; Transcription, Genetic ; *Virus Activation
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    Antibodies made to order (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1985 Aug 2;229(4712):455-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4012325" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/*genetics/immunology ; *DNA, Recombinant ; Humans ; Immunoglobulin Constant Regions/genetics ; Immunoglobulin Variable Region/genetics ; Mice ; Species Specificity
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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