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  • Mice  (189)
  • American Association for the Advancement of Science (AAAS)  (189)
  • Annual Reviews
  • 1980-1984  (189)
  • 1960-1964
  • 1935-1939
  • 1984  (106)
  • 1980  (83)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (189)
  • Annual Reviews
  • Springer  (10)
Years
  • 1980-1984  (189)
  • 1960-1964
  • 1935-1939
Year
  • 1
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    L-Ornithine decarboxylase:an essential role in early mammalian embryogenesis (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-02
    Description: The highly selective, enzyme-activated, irreversible inhibitor of L-ornithine decarboxylase, DL-alpha-difluoromethylornithine, suppresses the increase in uterine L-ornithine decarboxylase activity associated with early embryogenesis in the mouse and arrests embryonic development at that stage. Contragestational effects were confirmed in the rat and rabbit. An increase in L-ornithine decarboxylase activity that leads to a rapid increase in putrescine concentration appears to be essential during a critical period after implantation for continued mammalian embryonal growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fozard, J R -- Part, M L -- Prakash, N J -- Grove, J -- Schechter, P J -- Sjoerdsma, A -- Koch-Weser, J -- New York, N.Y. -- Science. 1980 May 2;208(4443):505-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6768132" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosylmethionine Decarboxylase/metabolism ; Animals ; Carboxy-Lyases/*physiology ; Eflornithine ; Embryo, Mammalian/drug effects/*physiology ; Female ; Gestational Age ; Mice ; Ornithine/*analogs & derivatives/pharmacology ; Ornithine Decarboxylase/*physiology ; Ornithine Decarboxylase Inhibitors ; Polyamines/metabolism ; Pregnancy ; Rabbits ; Rats ; Uterus/drug effects/*metabolism
    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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    Doridosine: a new hypotensive N-methylpurine riboside from the nudibranch Anisodoris nobilis (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-01-11
    Description: A new N-methylpurine riboside (doridosine), probably N1-Methylisoguanosine, was isolated from the digestive glands of a nudibranch. Doridosine produces prolonged hypotension and bradycardia in anesthetized rats, decreases the rate and the amplitude of contraction of guinea pig atria in vitro, and causes the heart rate in anesthetized mice to be reduced by 50 percent for many hours after which the animals recover completely.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fuhrman, F A -- Fuhrman, G J -- Kim, Y H -- Pavelka, L A -- Mosher, H S -- New York, N.Y. -- Science. 1980 Jan 11;207(4427):193-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7350655" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antihypertensive Agents/*isolation & purification ; Guanosine/*analogs & derivatives/isolation & purification/pharmacology ; Guinea Pigs ; Heart Rate/drug effects ; Mice ; Mollusca/analysis ; Rats
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  • 3
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    Survival of mice receiving melanoma transplants is promoted by hydroquinone (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-04-25
    Description: In BALB/c female mice with melanoma transplants, the incidence of "takes" is decreased and survival is increased by hydroquinone, a melanocytolytic agent. The mechanism of drug action is suggested by via DNA. The significant and high degree of positive response to hydroquinone treatment in vivo is encouraging for the clinical management of melanoma with melanocytolytic agents.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chavin, W -- Jelonek, E J Jr -- Reed, A H -- Binder, L R -- New York, N.Y. -- Science. 1980 Apr 25;208(4442):408-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7367868" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Disease Models, Animal ; Dose-Response Relationship, Drug ; Female ; Hydroquinones/metabolism/*therapeutic use ; Melanocytes/metabolism ; Melanoma/*drug therapy ; Mice ; Neoplasm Transplantation ; Neoplasms, Experimental/drug therapy
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Testosterone-mediated sexual dimorphism of mitochondria and lysosomes in mouse kidney proximal tubules (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-29
    Description: In kidney proximal tubules of male mice the mitochondria are larger and more electron-lucent, autophagic vacuoles and lysosomes (predominantly myeloid bodies) more numerous and voluminous, and exocytosed intraluminal myeloid bodies more common than in females. Males also have higher kidney activities of mitochondrial cytochrome c oxidase and lysosomal hydrolases, and excrete larger quantities of hydrolases and protein in the urine. Orchiectomy evokes the feminine pattern whereas testosterone administration induces the male pattern. Endogenous testosterone modulates mitochondrial structure and function and enhances the activity of the lysosomal-vacuolar system in proximal tubule cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, H -- Goldstone, A -- Blume, G -- Lu, C Y -- New York, N.Y. -- Science. 1980 Aug 29;209(4460):1023-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403864" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Castration ; Enzymes/urine ; Female ; Kidney/drug effects ; Kidney Tubules, Proximal/*ultrastructure ; Lysosomes/drug effects/enzymology ; Male ; Mice ; Mitochondria/drug effects/enzymology ; Organ Size/drug effects ; Sex Differentiation/*drug effects ; Testosterone/*pharmacology
    Print ISSN: 0036-8075
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  • 5
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    Tooth induction in chick epithelium: expression of quiescent genes for enamel synthesis (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-29
    Description: Intraocular grafts of chick epithelium combined with mouse molar mesenchyme produced a variety of dental structures including perfectly formed crowns with differentiated ameloblasts depositing enamel matrix. The results suggest that the loss of teeth in Aves did not result from a loss of genetic coding for enamel synthesis in the oral epithelium but from an alteration in the tissue interactions requisite for odontogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kollar, E J -- Fisher, C -- New York, N.Y. -- Science. 1980 Feb 29;207(4434):993-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352302" target="_blank"〉PubMed〈/a〉
    Keywords: *Amelogenesis ; Animals ; Chick Embryo/*cytology ; Culture Techniques ; Dental Enamel Proteins/*biosynthesis/genetics ; Embryonic Induction ; Epithelial Cells ; Genes ; Mandible/cytology ; Mesoderm/cytology ; Mice ; *Odontogenesis
    Print ISSN: 0036-8075
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  • 6
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    Role of the spleen in the growth of a murine B cell leukemia (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-04-04
    Description: A spontaneous B cell leukemia (BCL1) grew progressively in normal BALB/c mice after injection of tumor cells but did not grow in splenectomized recipients. Despite the absence of progressive tumor growth, residual tumor cells with malignant potential were found in the peripheral blood of the splenectomized animals. Splenectomy performed after injection of tumor cells but before the development of marked leukocytosis also prevented progressive tumor growth and death of the host. Thus the spleen appears to be necessary for progressive proliferation of this lymphocytic leukemia early after passage in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kotzin, B L -- Strober, S -- New York, N.Y. -- Science. 1980 Apr 4;208(4439):59-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6965803" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*pathology ; Disease Models, Animal ; Female ; Leukemia, Experimental/etiology/physiopathology ; Leukemia, Lymphoid/*etiology/physiopathology ; Mice ; Mice, Inbred BALB C ; Spleen/*physiology ; Splenectomy
    Print ISSN: 0036-8075
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  • 7
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    Prolongation of islet xenograft survival without continuous immunosuppression (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-11
    Description: The survival of isolated rat islets transplanted into diabetic mice was prolonged markedly by maintaining the rat islets in vitro at 24 degrees C for 7 days before transplantation and administering to the recipients a single injection of antiserum to mouse and rat lymphocytes shortly before transplantation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lacy, P E -- Davie, J M -- Finke, E H -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):283-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6770465" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Glucose/analysis ; Cell Survival ; Cells, Cultured ; Diabetes Mellitus, Experimental/*therapy ; *Immunosuppression ; *Islets of Langerhans Transplantation ; Lymphocytes/immunology ; Male ; Mice ; Mice, Inbred BALB C ; Rats ; Transplantation, Heterologous ; Transplantation, Isogeneic
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  • 8
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    Phenacetin safety (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-01-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Macklin, A W -- Welch, R M -- New York, N.Y. -- Science. 1980 Jan 11;207(4427):129-30, 132.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7350647" target="_blank"〉PubMed〈/a〉
    Keywords: Aminopyrine/adverse effects/toxicity ; Animals ; Humans ; Mice ; Mutagens ; Phenacetin/administration & dosage/*adverse effects/toxicity ; Rats
    Print ISSN: 0036-8075
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  • 9
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    Immunoglobulin gene rearrangement in immature B cells (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-19
    Description: Two types of immature B cells, namely fetal liver hybridomas and the leukemic cell line 70Z/3, both of which have cytoplasmic mu chains but no light chains, were examined for DNA rearrangements of their light chain and heavy chain immunoglobulin genes. In the fetal liver hybridomas, which were constructed from fetal liver cells and a tumor cell, no light chain gene rearrangement was observed, whereas in the 70Z/3 cell line a kappa light chain rearrangement probably occurred. The results suggest that, although the lack of light chain synthesis can be due to a lack of gene rearrangement, there may also be transcriptional regulation, which may also be important for the expression of light chain immunoglobulins in immature B cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maki, R -- Kearney, J -- Paige, C -- Tonegawa, S -- New York, N.Y. -- Science. 1980 Sep 19;209(4463):1366-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6774416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*immunology ; Genes ; Hybrid Cells/immunology ; Immunoglobulin Constant Regions/genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin Light Chains/*genetics ; Immunoglobulin Variable Region/genetics ; Immunoglobulin kappa-Chains/*genetics ; Immunoglobulin mu-Chains/*genetics ; Leukemia, Experimental/*immunology ; Liver/*embryology ; Mice ; Recombination, Genetic ; Transcription, Genetic
    Print ISSN: 0036-8075
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  • 10
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    Mapping of heavy chain genes for mouse immunoglobulins M and D (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-19
    Description: A single DNA fragment containing both mu and delta immunoglobulin heavy chain genes has been cloned from normal BALB/c mouse liver DNA with a new lambda phage vector Charon 28. The physical distance between the membrane terminal exon of mu and the first domain of delta is 2466 base pairs, with delta on the 3' side of mu. A single transcript could contain a variable region and both mu and delta constant regions. The dual expression of immunoglobulins M and D on spleen B cells may be due to alternate splicing of this transcript.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, C P -- Tucker, P W -- Mushinski, J F -- Blattner, F R -- New York, N.Y. -- Science. 1980 Sep 19;209(4463):1348-53.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6774414" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/immunology ; Chromosome Deletion ; *Genes ; Immunoglobulin Constant Regions/genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin delta-Chains/*genetics ; Immunoglobulin mu-Chains/*genetics ; Liver/physiology ; Membrane Proteins/genetics ; Mice ; Myeloma Proteins/genetics ; Plasmids ; RNA, Messenger/genetics ; Recombination, Genetic
    Print ISSN: 0036-8075
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  • 11
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    Selective inhibition of glycoprotein and membrane protein of vesicular stomatitis virus from interferon-treated cells (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-01
    Description: A 200-fold inhibition in the titer of infectious vesicular stomatitis virus (VSV) was produced in cultures of Ly cells treated with 30 reference units of interferon per milliliter. Virus particle production, as measured by VSV particle-associated transcriptase, or nucleocapsid protein was inhibited by a maximum of tenfold. The glycoprotein and membrane protein content was reduced in VSV derived from interferon-treated cells. Thus interferon-treated cells may have produced VSV particles with low infectivity, which may be related to the reduced amount of glycoprotein incorporated into such particles. These findings resemble those reported in interferon-treated cells infected with murine leukemia viruses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maheshwari, R K -- Jay, F T -- Friedman, R M -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):540-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6243416" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Defective Viruses/growth & development ; Glycoproteins/*biosynthesis ; Interferons/*pharmacology ; Membrane Proteins/*biosynthesis ; Mice ; RNA, Viral/metabolism ; Vesicular stomatitis Indiana virus/*growth & development ; Viral Proteins/*biosynthesis ; Virus Replication/*drug effects
    Print ISSN: 0036-8075
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  • 12
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    (-)Pentobarbital opens ion channels of long duration in cultured mouse spinal neurons (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-25
    Description: Intracellular recordings from voltage-clamped mouse spinal neurons in tissue culture were used to study the membrane mechanisms underlying inhibitory responses to gamma-aminobutyric acid and the (-) isomer of pentobarbital. Fluctuation analysis suggested that both substances activated ion channels in the membranes. However, the channels activated by pentobarbital remained open five times longer than those activated by gamma-aminobutyric acid.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mathers, D A -- Barker, J L -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):507-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6248961" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Membrane/drug effects/physiology ; Cells, Cultured ; Ion Channels/drug effects/*physiology ; Membrane Potentials/drug effects ; Mice ; Neurons/drug effects/*physiology ; Pentobarbital/*pharmacology ; Spinal Cord/*physiology ; gamma-Aminobutyric Acid/pharmacology
    Print ISSN: 0036-8075
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  • 13
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    Vesicle targeting: timed release and specificity for leukocytes in mice by subcutaneous injection (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-01-18
    Description: When unilamellar vesicles were administered subcutaneously in mice, the half-time for the destruction of the vesicles varied from 12 to 600 hours, depending on their composition. The vesicles tested consisted of distearoyl phosphatidylcholine, cholesterol, and certain sugar and amino-sugar derivatives of cholesterol. Vesicle with amino-sugar derivatives showed the greatest longevity and became localized with high specificity in aggregates of polymorphonuclear leukocytes. A substantial delay between the time that the vesicles broke open and the time that labels contained in the vesicles were excreted suggests that the vesicles undergo endocytosis before destruction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mauk, M R -- Gamble, R C -- Baldeschwieler, J D -- New York, N.Y. -- Science. 1980 Jan 18;207(4428):309-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7350660" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cholesterol/analogs & derivatives ; Endocytosis ; Liposomes/*therapeutic use ; Lysosomes/metabolism ; Metabolic Clearance Rate ; Mice ; Neutrophils/*metabolism ; Phosphatidylcholines ; Structure-Activity Relationship
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  • 14
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    Mebendazole therapy of parenteral trichinellosis (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-03-14
    Description: Mebendazole was highly effective against the helminth parasite Trichinella spiralis in mice subjected to a 3-day course of treatment during the invasive and encystment phases of experimental trichinellosis. When treatment began either 2 or 4 weeks after the mice were inoculated with parasites, the number of larvae developing in the host musculature was greatly reduced by twice-daily oral administration of 3.125, 6.25, or 12.5 milligrams of mebendazole per kilogram of body weight.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCracken, R O -- Taylor, D D -- New York, N.Y. -- Science. 1980 Mar 14;207(4436):1220-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355285" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Animals ; Benzimidazoles/*therapeutic use ; Disease Models, Animal ; Dose-Response Relationship, Drug ; Larva ; Male ; Mebendazole/administration & dosage/*therapeutic use ; Mice ; Muscles/parasitology ; Trichinella/drug effects ; Trichinellosis/*drug therapy
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  • 15
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    Insertion of a new gene of viral origin into bone marrow cells of mice (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-30
    Description: DNA containing the herpes simplex virus thymidine kinase (HSVtk) gene was used to transform wild-type tk+ mouse L cells to a tk++ status in vitro using methotrexate as a selective agent. HSVtk DNA was also used to transform mouse bone marrow cells in vitro. Transformed marrow cells injected into irradiated and methotrexate-treated recipient mice gave rise to proliferating cells which in some cases dominated the marrow population and which contained HSVtk gene sequences.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mercola, K E -- Stang, H D -- Browne, J -- Salser, W -- Cline, M J -- New York, N.Y. -- Science. 1980 May 30;208(4447):1033-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6246577" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/*enzymology ; Bone Marrow Transplantation ; DNA, Viral/analysis ; Drug Resistance ; *Genes, Viral ; L Cells (Cell Line) ; Methotrexate/pharmacology ; Mice ; Simplexvirus/enzymology/*genetics ; Species Specificity ; Thymidine Kinase/*genetics ; *Transformation, Genetic
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  • 16
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    J genes for heavy chain immunoglobulins of mouse (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-05
    Description: A 15,8-kilobase pair fragment of BALB/c mouse liver DNA, cloned in the Charon 4A lambda phage vector system, was shown to contain the mu heavy chain constant region (CHmu) gene for the mouse immunoglobulin M. In addition, this fragment of DNA contains at least two J genes, used to code for the carboxyl terminal portion of heavy chain variable regions. These genes are located in genomic DNA about eight kilobase pairs to the 5' side of the CHmu gene. The complete nucleotide sequence of a 1120-base pair stretch of DNA that includes the two J genes has been determined.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Newell, N -- Richards, J E -- Tucker, P W -- Blattner, F R -- New York, N.Y. -- Science. 1980 Sep 5;209(4461):1128-32.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6250219" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites, Antibody/*genetics ; DNA Restriction Enzymes ; DNA, Recombinant ; Genes ; Genetic Linkage ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin Variable Region/*genetics ; Immunoglobulin mu-Chains/*genetics ; Mice
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  • 17
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    Gene affecting superoxide dismutase activity linked to the histocompatibility complex in H-2 congenic mice (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-01-04
    Description: The activity of cyanide-sensitive, Cu-Zn superoxide dismutase (SOD) was studied in liver sytosols from H-2 congenic strains of mice. Higher SOD activity was found in livers of mice having H-2b/A.BY, B10, and C3H.SW/haplotypes than in those of H-2a, H-2k and H-2d haplotypes. Segregation studies supported these correlations. In H-2 recombinant strains of mice, the genes influencing the liver SOD activity occur, as ascertained by mapping techniques, at or near the H-2d region of the major histocompatibility complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Novak, R -- Bosze, Z -- Matkovics, B -- Fachet, J -- New York, N.Y. -- Science. 1980 Jan 4;207(4426):86-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7350646" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Genes ; Genes, Regulator ; Genetic Linkage ; H-2 Antigens/*genetics ; Liver/enzymology ; *Major Histocompatibility Complex ; Mice ; Superoxide Dismutase/*genetics
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  • 18
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    Substance P: does it produce analgesia or hyperalgesia? (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-04-18
    Description: In the hot plate test, substance P given intravenously at doses of 5 x 10-5 and 5 x 10-4 gram per kilogram caused analgesia, while lower doses caused hyperalgesia. The influence of substance P on nociception depended on the individual mouse's sensitivity to pain (control response latency). Analgesia was produced by substance P administered to mice with high sensitivity to thermic stimulation, whereas hyperalgesia occurred in mice whose control latencies were longer than normal. This result is interpreted as an indication that substance P is capable of normalizing responsiveness to pain and could be classified as a regulatory peptide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oehme, P -- Hilse, H -- Morgenstern, E -- Gores, E -- New York, N.Y. -- Science. 1980 Apr 18;208(4441):305-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6154313" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates ; Animals ; Dose-Response Relationship, Drug ; Hot Temperature ; Hyperalgesia/*chemically induced ; Hyperesthesia/*chemically induced ; Mice ; Nociceptors/drug effects ; Pain/*physiopathology ; Perception/*drug effects ; Receptors, Drug/physiology ; Substance P/*pharmacology
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  • 19
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    Human monoclonal antibody against Forssman antigen (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-31
    Description: Hybrid cells formed between human lymphocytes and mouse myeloma cells produce human immunoglobulin in culture. Stable antibody-producing cell lines can be isolated after multiple cycles of low-density passage, cloning, and continued selection for immunoglobulin production. The origin and characteristics of a hybrid of human and mouse cells is described. This hybrid produces high concentrations (8.3 micrograms per milliliter) of human immunoglobulin M reactive with the terminal disaccharide of the Forssman glycolipid. These findings point to the potential use of human-mouse hybrid cells as a source of human monoclonal antibodies for therapeutic and diagnostic purposes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nowinski, R -- Berglund, C -- Lane, J -- Lostrom, M -- Bernstein, I -- Young, W -- Hakomori, S I -- Hill, L -- Cooney, M -- New York, N.Y. -- Science. 1980 Oct 31;210(4469):537-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7423202" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibodies ; Antibody Formation ; Antibody Specificity ; Cells, Cultured ; Clone Cells/immunology ; *Forssman Antigen ; Humans ; Hybrid Cells/immunology ; Immunoglobulin M/biosynthesis ; Mice
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  • 20
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    alpha-Lactalbumin-casein induction in virgin mouse mammary explants: dose-dependent differential action of cortisol (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-03-21
    Description: The interplay of insulin, cortisol, and prolactin induces synthesis of casein and alpha-lactalbumin in cultured mammary explants from mature virgin mice. A striking difference has been found between the optimal concentrations of cortisol required for maximal induction of the two milk proteins in vitro: 3 x 10(-8) molar for alpha-lactalbumin and 3 x 10(-6) molar for casein. Moreover, 10(-7) to 10(-5) molar cortisol caused progressive inhibition of alpha-lactalbumin accumulation. Such differential actions of cortisol may partly account for the asynchronous synthesis of the two proteins during pregnancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ono, M -- Oka, T -- New York, N.Y. -- Science. 1980 Mar 21;207(4437):1367-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6986657" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Caseins/*biosynthesis ; Dose-Response Relationship, Drug ; Drug Interactions ; Female ; Hydrocortisone/*pharmacology ; Insulin/pharmacology ; Lactalbumin/*biosynthesis ; Mammary Glands, Animal/drug effects/*metabolism ; Mice ; Organ Culture Techniques ; Pregnancy ; Prolactin/pharmacology
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  • 21
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    Properties of a normal mouse cell DNA sequence (sarc) homologous to the src sequence of Moloney sarcoma virus (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-03-14
    Description: A 15.0-kilobase (kb) Eco RI DNA fragment from normal mouse Balb/c genomic DNA that contains sequences (sarc) homologous to the acquired cell sequences (src) of Moloney sarcoma virus (MSV) has been cloned in phage lambda. The sarc region (1.2 to 1.3 kb) of the 15.0-kb cell fragment is indistinguishable from the src region of two isolates of MSV as judged by heteroduplex and restriction endonuclease analyses. The cellular sequences flanking sarc show no homology to other MSV sequences. Whereas cloned subgenomic portions of MSV that contain src transformed NIH-3T3 cells in vitro, the cloned sarc fragment is inactive.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oskarsson, M -- McClements, W L -- Blair, D G -- Maizel, J V -- Vande Woude, G F -- New York, N.Y. -- Science. 1980 Mar 14;207(4436):1222-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6243788" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Chromosome Mapping ; DNA Restriction Enzymes ; *Genes ; *Genes, Viral ; Mice ; Mice, Inbred BALB C/*genetics ; Moloney murine leukemia virus/*genetics ; Nucleic Acid Hybridization
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  • 22
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    Cytosolic and microsomal epoxide hydrolases: differential properties in mammalian liver (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-03-28
    Description: The epoxide hydrolase activities of the 100,000 g pellet (microsomal) and 100,00 g soluble (cystosolic) fractions of mouse, rat, and guinea pig liver were measured with three closely related compounds used as substrates. Differences between the species in the distribution of the cytosolic and microsomal hydrolases and in their substrate specificities and pH optima demonstrate why epoxide hydrolase activity in the cytosolic fraction was not detected earlier in spie of intensive work on the microsomal epoxide hydrolase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ota, K -- Hammock, B D -- New York, N.Y. -- Science. 1980 Mar 28;207(4438):1479-81.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361100" target="_blank"〉PubMed〈/a〉
    Keywords: Allyl Compounds ; Animals ; Benzene ; Cytosol/enzymology ; Epoxide Hydrolases/*metabolism ; Guinea Pigs ; Hydrogen-Ion Concentration ; Liver/*enzymology/ultrastructure ; Mice ; Microsomes, Liver/enzymology ; Rats ; Styrenes ; Substrate Specificity
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  • 23
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    Genes for growth hormone, chorionic somatommammotropin, and growth hormones-like gene on chromosome 17 in humans (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-11
    Description: The human genes for growth hormone (GH), chorionic somatomammotropin (CSH), and a third growth hormone-like gene (GHL) have been located on chromosome 17 in humans. DNA fragments of 2.6, 2.8, and 9.5 kilobase pairs containing GH, CSH, and GHL, respectively, were identified in human genomic DNA, and a 7.5-kilobase DNA fragment related to growth hormone DNA sequences was found in mouse cells. In somatic hybrids of human and mouse cells containing reduced numbers of human chromosomes, but a normal complement of mouse chromosomes, the mouse, 7.5-kolobase DNA fragment was always present, whereas the 2.6-, 2.8-, and 9.5-kilobase human fragments were present only when human chromosome 17 was also present.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Owerbach, D -- Rutter, W J -- Martial, J A -- Baxter, J D -- Shows, T B -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):289-92.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384802" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; *Chromosomes, Human, 16-18 ; *DNA/metabolism ; *Genes ; Growth Hormone/*biosynthesis ; Humans ; Hybrid Cells/metabolism ; Mice ; Placental Lactogen/*biosynthesis ; Translocation, Genetic
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  • 24
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    Opiate analgesia: evidence for mediation by a subpopulation of opiate receptors (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-02
    Description: Naloxazone, a hydrazone derivative of the opiate antagonist naloxone, has a high affinity for opiate receptor binding sites. Naloxazone injections reduce opiate receptor binding to extensively washed mouse brain membranes for more than 24 hours, suggesting that the effect is irreversible. High-affinity binding sites are abolished by this treatment, whereas low-affinity sites are unaffected. Naloxazone treatment blocks the analgesic effects of morphine for at least 24 hours but does not prevent death from high doses of morphine. Thus analgesic but nonlethal opiate effects may be mediated by the high-affinity subpopulation of opiate receptors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pasternak, G W -- Childers, S R -- Snyder, S H -- New York, N.Y. -- Science. 1980 May 2;208(4443):514-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6245448" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding Sites/drug effects ; Brain/metabolism ; Mice ; Morphine/pharmacology/toxicity ; Naloxone/adverse effects/*analogs & derivatives/pharmacology ; Receptors, Opioid/classification/*drug effects/physiology
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  • 25
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    Estrogen and the growth of breast cancer: new evidence suggests indirect action (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-08
    Description: The growth of the MCF-7 human breast cancer cell line is unresponsive to the presence of estrogen in culture media. Paradoxically, in nude mice, growth of these cells and formation of solid tumors are dependent on estrogen. Tumors fail to develop in ovariectomized mice, but do develop in intact mice and in ovariectomized mice given estrogen. Primary cultures derived from MCF-7 tumors revert to unresponsiveness to estrogen. However, when these cultures are again transplanted into nude mice, estrogen is required for tumor formation. The continuous culture, the solid tumor, and the primary cultures therefrom have similar estrogen-binding capacities and affinities. These results indicate that mammary carcinoma cell growth in vivo is subject to inhibition that can be overcome by estrogen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shafie, S M -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):701-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6994231" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/metabolism/*physiopathology ; Castration ; Cell Division/drug effects ; Cell Line ; Cytosol/metabolism ; Estradiol/metabolism/*pharmacology ; Female ; Humans ; Insulin/pharmacology ; Mice ; Mice, Nude ; Neoplasm Transplantation ; Receptors, Estrogen/metabolism ; Transplantation, Heterologous
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  • 26
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    Correction of enzyme deficiency in mice by allogeneic bone marrow transplantation with total lymphoid irradiation (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-05
    Description: Enzyme deficiency was corrected in mice after allogeneic bone marrow transplantation with occurrence of graft versus host disease. beta-Glucuronidase-deficient C3H/HeJ mice were treated with total lymphoid irradiation. Normal bone marrow cells (30 X 10(6)) from BALB/c to C3H/HeJ chimeras (〉90 percent circulating donor-type cells) without graft versus host disease. beta-Glucuronidase activity increases to normal levels in all chimeras as measured in the liver and in the plasma. Activity was maintained throughout an observation period of 7 months.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slavin, S -- Yatziv, S -- A1 15387/PHS HHS/ -- New York, N.Y. -- Science. 1980 Dec 5;210(4474):1150-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7003711" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bone Marrow Transplantation ; Glucuronidase/blood/*deficiency ; Liver/enzymology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C3H ; Radiation Chimera ; Transplantation, Homologous
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  • 27
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    Neurobiology of amnesia (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Squire, L R -- Davis, H P -- Spanis, C W -- New York, N.Y. -- Science. 1980 Aug 15;209(4458):836-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7190729" target="_blank"〉PubMed〈/a〉
    Keywords: Amnesia/*physiopathology ; Amnesia, Retrograde/*physiopathology ; Animals ; Brain Chemistry ; Catecholamines/metabolism ; Cycloheximide/pharmacology ; Humans ; Memory/drug effects ; Mice ; Nerve Tissue Proteins/biosynthesis ; Phenoxybenzamine/pharmacology
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  • 28
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    Glucan-induced modification of murine viral hepatitis (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-04-04
    Description: Glucan, a macrophage stimulant, was evaluated for its ability to alter survival and phagocytic dysfunction in mice challenged with mouse hepatitis virus strain MHV-A59. Administration of glucan before the mice were challenged with the virus significantly prolonged median survival time but did not modify overall mortality compared with control mice given dextrose. Maximal effectiveness was achieved when glucan was administered both before and after the viral challenge. In contrast to the marked hepatic parenchymal cell necrosis observed in the control mice, glucan-treated mice exhibited reduced pathology. Intraperitoneal administration of MHV-A59 resulted in a significant depression of phagocytic activity compared with controls that were not exposed to the virus. The enhancement in phagocytic function in glucan-treated control mice was unaltered in virus-challenged, glucan-treated mice. Thus glucan is capable of increasing survival, inhibiting hepatic necrosis, and maintaining an activated state of phagocytic activity in mice challenged with MHV-A59. Macrophage stimulants may have a significant role in the modification of virally induced hepatic lesions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Williams, D L -- Di Luzio, N R -- New York, N.Y. -- Science. 1980 Apr 4;208(4439):67-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361108" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Glucans/*pharmacology/therapeutic use ; Hepatitis, Viral, Animal/drug therapy/*immunology/mortality ; Liver/pathology ; Macrophages/drug effects ; Male ; Mice ; Mice, Inbred C57BL ; Phagocytosis/*drug effects
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  • 29
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    Latency of herpes simplex virus in absence of neutralizing antibody: model for reactivation (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-11-28
    Description: Mice inoculated with herpes simplex virus (type 1) by the lip or corneal route and then passively immunized with rabbit antibody to herpes simplex virus developed a latent infection in the trigeminal ganglia within 96 hours. Neutralizing antibody to herpes simplex virus was cleared from the circulation and could not be detected in most of these mice after 2 months. Examination of ganglia from the antibody-negative mice revealed latent virus in over 90 percent of the animals, indicating that serum neutralizing antibody is not necessary to maintain the latent state. When the lips or corneas of these mice were traumatized, viral reactivation occurred in up to 90 percent of the mice, as demonstrated by the appearance of neutralizing antibody. This study provides a model for identifying factors that trigger viral reactivation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sekizawa, T -- Openshaw, H -- Wohlenberg, C -- Notkins, A L -- New York, N.Y. -- Science. 1980 Nov 28;210(4473):1026-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6254149" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral/*metabolism ; Antigens, Viral/analysis ; Disease Models, Animal ; Ganglia/microbiology ; Herpes Simplex/*immunology ; Immune Tolerance ; Immunization, Passive ; Mice ; Simplexvirus/*growth & development/immunology ; *Virus Activation
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  • 30
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    Leptospirosis in laboratory mice (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-15
    Description: The obituary for William A. Altemeier, Jr. (4 May, p. 525), was incorrect. Dr. Altemeier was chairman of the Department of Surgery at the University of Cincinnati.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alexander, A D -- New York, N.Y. -- Science. 1984 Jun 15;224(4654):1158.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6729449" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Laboratory/*microbiology ; Dogs ; Humans ; Leptospira ; Leptospirosis/*microbiology/transmission ; Mice ; Mice, Inbred ICR ; Primates ; Rats
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  • 31
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    Susceptibility of skeletal muscle to Coxsackie A2 virus infection: effects of botulinum toxin and denervation (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-02-17
    Description: Coxsackie A viruses can infect denervated but not innervated mature skeletal muscles. The role of synaptic transmission in preventing susceptibility to Coxsackievirus infection was studied by surgically denervating leg muscles of mice or injecting the muscles with botulinum toxin to block quantal release of acetylcholine. Control muscles were injected with heat-inactivated toxin. Subsequent injection of Coxsackie A2 virus resulted in extensive virus replication and tissue destruction in the denervated and botulinum toxin-treated muscles, while the control muscles showed only minimal changes. This suggests that the susceptibility of skeletal muscle to Coxsackievirus infection is regulated by synaptic transmission.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Andrew, C G -- Drachman, D B -- Pestronk, A -- Narayan, O -- 5 K07 NS 00531-02/NS/NINDS NIH HHS/ -- 5R01 HD04817/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 17;223(4637):714-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6320369" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Botulinum Toxins/*pharmacology ; Coxsackievirus Infections/*microbiology ; Enterovirus/*pathogenicity ; Mice ; *Muscle Denervation ; Muscles/drug effects/microbiology ; Muscular Diseases/*microbiology ; Sciatic Nerve/physiology
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  • 32
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    Salivary proline-rich protein genes on chromosome 8 of mouse (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-23
    Description: Endonuclease restriction (Hind III) fragments of DNA from Chinese hamster X mouse somatic cell hybrids hybridized with proline-rich protein complementary DNA clones only when the DNA was isolated from cells containing mouse chromosome 8, or a fragment of chromosome 8. The evidence suggests that proline-rich protein genes are located at the proximal portion of chromosome 8 toward the centromere.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Azen, E A -- Carlson, D M -- Clements, S -- Lalley, P A -- Vanin, E -- AM 19175/AM/NIADDK NIH HHS/ -- DEO 3658-19/DE/NIDCR NIH HHS/ -- GM 20069/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 23;226(4677):967-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6095444" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; DNA Restriction Enzymes ; *Genes ; Humans ; Mice ; Mice, Inbred Strains ; Nucleic Acid Hybridization ; Peptides/*genetics ; Proline-Rich Protein Domains ; Protein Biosynthesis ; RNA, Messenger/genetics ; Salivary Proteins and Peptides/*genetics ; Species Specificity
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  • 33
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    Growth self-incitement in murine melanoma B16: a phenomenological model (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-31
    Description: The growing murine melanoma B16 secretes increasing quantities of a substance or substances immunologically cross-reactive with insulin. The elevated concentrations of these substances in blood are accompanied by a decrease in blood glucose concentration and release of growth hormone, which is followed by increased tumor growth. By use of a phenomenological model based on these data, we show that B16 incites its own growth by positive feedback.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bajzer, Z -- Pavelic, K -- Vuk-Pavlovic, S -- New York, N.Y. -- Science. 1984 Aug 31;225(4665):930-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6382606" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Glucose/*analysis ; Growth Hormone/blood ; Insulin/blood/*secretion ; Male ; Mathematics ; Melanoma/blood/pathology/*secretion ; Mice ; Mice, Inbred C57BL ; Models, Biological
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    Chromosomal location of human T-cell receptor gene Ti beta (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-10-19
    Description: A complementary DNA probe corresponding to the beta-chain gene of Ti, the human T lymphocyte receptor, has been molecularly cloned. The chromosomal origin of the Ti beta gene was determined with the complementary DNA by screening a series of 12 cell hybrid (mouse X human) DNA's containing overlapping subsets of human chromosomes. DNA hybridization (Southern) experiments showed that the human Ti beta gene resides on chromosome 7 and is thus not linked to the immunoglobulin loci or to the major histocompatibility locus in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barker, P E -- Ruddle, F H -- Royer, H D -- Acuto, O -- Reinherz, E L -- AI 21226/AI/NIAID NIH HHS/ -- GM-09966/GM/NIGMS NIH HHS/ -- R0 1 AI 19807/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Oct 19;226(4672):348-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6435246" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; *Chromosomes, Human, 6-12 and X ; Cloning, Molecular ; Dna ; *Genes ; Genetic Linkage ; Humans ; Hybrid Cells ; Immunoglobulin kappa-Chains/genetics ; Major Histocompatibility Complex ; Mice ; Nucleic Acid Hybridization ; Receptors, Antigen, T-Cell/*genetics
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    The malaria parasite monitored by photoacoustic spectroscopy (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-24
    Description: Noninvasive photoacoustic spectroscopy was used to study the malaria parasites Plasmodium chabaudi and Plasmodium berghei, their pigment, and ferriprotoporphyrin IX, which is a by-product of the hemoglobin that the parasite ingests. The results indicate that the pigment consists of ferriprotophorphyrin self-aggregates and a noncovalent complex of ferriprotoporphyrin and protein. Spectra of chloroquine-treated parasites reveal in situ interaction between the drug and ferriprotoporphyrin. Chloroquine-resistant parasites, readily distinguishable by this method, appear to degrade hemoglobin only partially.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balasubramanian, D -- Mohan Rao, C -- Panijpan, B -- New York, N.Y. -- Science. 1984 Feb 24;223(4638):828-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6695185" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chloroquine/pharmacology ; Drug Resistance ; Erythrocytes/*parasitology ; Hemeproteins/metabolism ; Hemin/metabolism ; Hemoglobins/metabolism ; Mice ; Plasmodium/*physiology ; Protoporphyrins/metabolism ; Spectrum Analysis/*methods
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    Functional expression of a cloned I-A beta k gene in B-lymphoma cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-24
    Description: The immune response genes of the mouse encode two cell-surface glycoproteins, I-A and I-E, that play critical roles in determining the animal's immune responsiveness. The I-A antigen contains two chains, alpha and beta. A cloned beta-chain gene, I-A beta k, was introduced into B-lymphoma cells that express I-Ad. The transfected gene was successfully expressed on the cell surface of the recipient cells and was functional in stimulating allospecific T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ben-Nun, A -- Glimcher, L H -- Weis, J -- Seidman, J G -- AI18436/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 24;223(4638):825-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6420890" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*physiology ; Cloning, Molecular ; Gene Expression Regulation ; *Genes, MHC Class II ; Heterozygote ; Lymphocyte Cooperation ; Lymphoma ; Macromolecular Substances ; Mice ; T-Lymphocytes/physiology ; Transfection ; Transformation, Genetic
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    Identification of DNA sequence responsible for 5-bromodeoxyuridine-induced gene amplification (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-31
    Description: Bromodeoxyuridine (BrdUrd) treatment of the prolactin nonproducing subclone of GH cells (rat pituitary tumor cells) induces amplification of a 20-kilobase DNA fragment including all of the prolactin gene coding sequences. This amplified DNA segment, which is flanked by two unamplified regions, thus designates a unit of BrdUrd-induced amplified sequence. Cloned DNA segments, 10.3 kilobases long, from the 5' end of the rat prolactin gene of BrdUrd-responsive and -nonresponsive cells, were ligated to the thymidine kinase gene of herpes simplex virus type 1 (HSV1TK), and the hybrid DNA was transferred to thymidine kinase-deficient mouse fibroblast cells by transfection. The HSV1TK gene and the rat prolactin gene were amplified together in drug-treated transfectants carrying the hybrid DNA HSV1TK gene and rat prolactin gene of BrdUrd-responsive GH cells. These results suggest that the 10.3-kilobase DNA segment at the 5' end of the rat prolactin gene of BrdUrd-responsive GH cells carries the information for drug-induced gene amplification (amplicon) and that another gene, such as the HSV1TK gene, is also amplified when the latter is placed adjacent to this segment.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biswas, D K -- Hartigan, J A -- Pichler, M H -- CA28218/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 31;225(4665):941-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089335" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Bromodeoxyuridine/*pharmacology ; Cell Line ; Cloning, Molecular ; DNA/*genetics ; DNA, Recombinant ; *Gene Amplification ; Genes, Viral ; Mice ; Prolactin/genetics ; Rats ; Simplexvirus/genetics ; Thymidine Kinase/genetics ; Transfection
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    The human homologs of the raf (mil) oncogene are located on human chromosomes 3 and 4 (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-01-06
    Description: Two human genes that are homologous to both the murine transforming gene (oncogene) v-raf and the chicken transforming gene v-mil have been mapped by means of human-rodent somatic cell hybrids to human chromosomes previously devoid of known oncogenes. One gene, c-raf-2, which appears to be a processed pseudogene, is located on chromosome 4. The other gene, c-raf-1, which appears to be the active gene, is located on chromosome 3 and has been regionally mapped by chromosomal in situ hybridization to 3p25. This assignment correlates with specific chromosomal abnormalities associated with certain human malignancies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bonner, T -- O'Brien, S J -- Nash, W G -- Rapp, U R -- Morton, C C -- Leder, P -- New York, N.Y. -- Science. 1984 Jan 6;223(4631):71-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6691137" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/genetics ; Animals ; Chromosome Aberrations ; Chromosome Mapping ; *Chromosomes, Human, 1-3 ; *Chromosomes, Human, 4-5 ; Cricetinae ; Humans ; Hybrid Cells ; Kidney Neoplasms/genetics ; Lung Neoplasms/genetics ; Male ; Mice ; Nucleic Acid Hybridization ; *Oncogenes
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    Endogenous ionic currents traverse intact and damaged bone (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-08-03
    Description: Living bone drives an electric current through itself and into sites of damage. Such "fracture currents" consist of two components: an intense, decaying current dependent on bone deformation and a stable, persistent current driven by a cellular battery. The latter is carried by chloride ions and, to a lesser extent, by sodium, magnesium, and calcium ions. Endogenous fracture currents are of the same polarity and similar magnitude as clinically applied currents that are successful in treating chronic nonunions in fractured bones. This suggests that the defect in biological nonunions may reside in the electrophysiology of repair.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borgens, R B -- NS 19598-02/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 3;225(4661):478-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6740320" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone and Bones/injuries/*physiology/physiopathology ; Electric Conductivity ; Fractures, Bone/*physiopathology ; Metatarsus/physiology ; Mice ; Regeneration ; Wound Healing
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  • 40
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    Altered transcription of the c-abl oncogene in K-562 and other chronic myelogenous leukemia cells (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-07-06
    Description: Expression of the cellular abl (c- abl ) oncogene was studied in K-562 and other chronic myelogenous leukemia (CML) cells and cell lines by means of Northern blot hybridization. In contrast to non-CML cells, which contained 7.4- and 6.8-kilobase abl -related transcripts, the CML cells contained a predominant and novel 8.2-kilobase abl -related RNA. In addition, the levels of abl -related message were up to eight times higher in CML cell lines from patients at the blast crisis stage of the disease compared with CML cells obtained during the chronic phase and with non-CML cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, S J -- Kubonishi, I -- Miyoshi, I -- Groudine, M T -- New York, N.Y. -- Science. 1984 Jul 6;225(4657):72-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6587568" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chromosomes, Human, 21-22 and Y ; Chromosomes, Human, 6-12 and X ; DNA, Neoplasm/genetics ; Humans ; Leukemia, Myeloid/*genetics ; Mice ; Nucleic Acid Hybridization ; *Oncogenes ; RNA, Messenger/genetics ; *Transcription, Genetic
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    Reinitiation of growth in senescent mouse mammary epithelium in response to cholera toxin (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-15
    Description: Several lines of mouse mammary tissue that had been serially transplanted until mitotic senescence was reached were exposed in vivo to plastic implants that slowly released cholera toxin. Gland tissue surrounding the implants displayed new end buds, indicating reinitiation of growth and morphogenesis. The ability of cholera toxin, which elevates intracellular adenosine 3',5'-monophosphate, to temporarily reverse the senescent phenotype suggests that this mitotic dysfunction results not from generalized cellular deterioration but from specific changes in cell regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Daniel, C W -- Silberstein, G B -- Strickland, P -- 1050/PHS HHS/ -- New York, N.Y. -- Science. 1984 Jun 15;224(4654):1245-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6328652" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/*drug effects ; Cell Line ; Cholera Toxin/*pharmacology ; Cyclic AMP/physiology ; DNA/biosynthesis ; Epithelium/drug effects ; Female ; Fibroblasts/drug effects ; Humans ; Mammary Glands, Animal/*drug effects ; Mice ; Mice, Inbred BALB C ; Mitosis/drug effects
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    Activation of dormant genes in specialized cells (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-06-01
    Description: In several experimental systems the genomic capacity in specialized cells can be assessed by examining the activation of dormant genes. Since some of these specialized cells can be induced to change cell phenotype, all cell specializations do not necessarily involve irreversible genetic changes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DiBerardino, M A -- Hoffner, N J -- Etkin, L D -- GM 23635/GM/NIGMS NIH HHS/ -- GM 31479/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 1;224(4652):946-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6719127" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura ; *Cell Differentiation ; Cell Fusion ; Cell Transformation, Neoplastic/metabolism ; Chickens ; Chromatin/physiology ; DNA/genetics/metabolism ; Drosophila ; Embryo, Mammalian/physiology ; Embryo, Nonmammalian ; Extremities/growth & development ; *Gene Expression Regulation ; Humans ; Hybrid Cells ; Iris/growth & development ; Methylation ; Mice ; Nuclear Transfer Techniques ; Phenotype ; Rats ; Xenopus
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    Haploid expression of a mouse testis alpha-tubulin gene (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-06
    Description: A complementary DNA clone for an alpha-tubulin has been isolated from a mouse testis complementary DNA library. The untranslated 3' end of this complementary DNA is homologous to two RNA transcripts present in postmeiotic cells of the testis but absent from meiotic cells and from several tissues including brain. The temporal expression of this alpha-tubulin complementary DNA provides evidence for the haploid expression of a mammalian structural gene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Distel, R J -- Kleene, K C -- Hecht, N B -- GM 29224/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Apr 6;224(4644):68-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6701535" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/metabolism ; Cloning, Molecular ; DNA/genetics ; Drosophila ; Gene Expression Regulation ; Haploidy ; Male ; Mice ; Nucleic Acid Hybridization ; Rats ; Spermatids/metabolism ; Spermatogenesis ; Spermatozoa/physiology ; Testis/*metabolism ; Tubulin/*genetics
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    Scintigraphy of normal mouse ovaries with monoclonal antibodies to ZP-2, the major zona pellucida protein (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-31
    Description: The zona pellucida is an extracellular glycocalyx, made of three sulfated glycoproteins, that surrounds mammalian oocytes. Parenterally administered monoclonal antibodies specific for ZP-2, the most abundant zona protein, localize in the zona pellucida. When labeled with iodine-125, these monoclonal antibodies demonstrate a remarkably high target-to-nontarget tissue ratio and provide clear external radioimaging of ovarian tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉East, I J -- Keenan, A M -- Larson, S M -- Dean, J -- New York, N.Y. -- Science. 1984 Aug 31;225(4665):938-41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6474160" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/*analysis ; Digestive System/immunology ; *Egg Proteins ; Female ; Glycoproteins/analysis/*immunology ; Iodine Radioisotopes ; Liver/immunology ; Male ; *Membrane Glycoproteins ; Mice ; Myocardium/immunology ; Ovary/analysis/immunology/*radionuclide imaging ; Ovum/*analysis ; *Receptors, Cell Surface ; Tissue Distribution ; Zona Pellucida/*analysis/immunology
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    Progressive accumulation of toxic metabolite in a genetic leukodystrophy (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-18
    Description: Progressive accumulation of a cytotoxic metabolite, galactosylsphingosine (psychosine), was found in the brain of the twitcher mouse, a mutant caused by genetic deficiency of galactosylceramidase. Similar abnormal accumulation was also found in the brain of the genetic galactosylceramidase deficiency disease in the dog and in human patients (globoid cell leukodystrophy or Krabbe disease). Galactosylphingosine was absent in the brains of normal and heterozygous mice. The finding provides support for the psychosine hypothesis as the biochemical pathogenetic mechanism of globoid cell leukodystrophy. Analogous mechanisms may be important in the pathogenesis of other genetic lysosomal diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Igisu, H -- Suzuki, K -- NS-03356/NS/NINDS NIH HHS/ -- NS-10885/NS/NINDS NIH HHS/ -- NS-19321/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 May 18;224(4650):753-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6719111" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Chemistry ; Dogs ; Galactosylceramidase/deficiency/metabolism ; Humans ; Leukodystrophy, Globoid Cell/enzymology/*metabolism ; Mice ; Mice, Mutant Strains ; Myelin Sheath/metabolism ; Psychosine/analysis/*metabolism ; Sphingosine/*analogs & derivatives
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    Injected virus probes fetal development (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, J L -- New York, N.Y. -- Science. 1984 Mar 30;223(4643):1377.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6701526" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Collagen/genetics ; Fetus/*physiology ; Growth ; Mice ; *Moloney murine leukemia virus
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  • 47
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    Unequivocal delayed hypersensitivity in mast cell-deficient and beige mice (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-11-09
    Description: It has been suggested that reserpine blocks expression of delayed hypersensitivity in mice because it depletes stores of the vasoactive amine serotonin in mast cells. To determine whether mast cell serotonin or other mast cell-derived mediators are essential for delayed hypersensitivity, responses to contact sensitizers in mast cell-deficient W/Wv or Sl/Sld mice were studied. Because blood platelets represent another potential source of serotonin in delayed hypersensitivity responses, beige mice, whose platelets contain less than 1 percent of the normal levels of serotonin, were also examined. By the criteria of tissue swelling, infiltration of iodinated leukocytes, or histology, mast cell-deficient or beige mice expressed delayed hypersensitivity reactions whose intensity generally equaled or exceeded that of reactions in littermate controls. In addition, reserpine blocked delayed hypersensitivity in W/Wv and beige mice, suggesting that effects on mast cell or platelet serotonin cannot explain this drug's action in delayed hypersensitivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Galli, S J -- Hammel, I -- AI 20292/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 9;226(4675):710-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494907" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drug Hypersensitivity/etiology ; Humans ; Hypersensitivity, Delayed/*physiopathology ; Mast Cells/*physiology ; Methysergide/pharmacology ; Mice ; Mice, Inbred C57BL ; Mice, Mutant Strains/immunology ; Oxazolone/pharmacology ; Reserpine/pharmacology ; Serotonin/physiology
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    Mating and pregnancy can occur in genetically hypogonadal mice with preoptic area brain grafts (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-31
    Description: Adult female hypogonadal mice, in whom hypogonadism is secondary to a genetic deficiency in hypothalamic gonadotropin-releasing hormone (GnRH), are infertile. Mating, pregnancy, and delivery of healthy litters were achieved after transplantation of normal fetal preoptic area tissue, a major site of GnRH-containing cell bodies, into the third ventricle of adult female hypogonadal mice. Immunocytochemistry revealed GnRH-containing neurons in the grafts and GnRH-containing processes extending to the lateral median eminence of the host brains.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibson, M J -- Krieger, D T -- Charlton, H M -- Zimmerman, E A -- Silverman, A J -- Perlow, M J -- 1RO1NS20335/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 31;225(4665):949-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6382608" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain Chemistry ; Cerebral Ventricles/pathology ; *Copulation ; Female ; Hypogonadism/genetics/pathology/*physiopathology ; Infertility, Female/etiology/*therapy ; Male ; Mice ; Neurons/analysis ; Ovulation ; Pituitary Hormone-Releasing Hormones/analysis/*deficiency ; Pregnancy ; Preoptic Area/*transplantation ; *Reproduction
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    A major human histone gene cluster on the long arm of chromosome 1 (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-16
    Description: A human histone gene cluster was assigned to chromosome 1 by Southern blot analysis of DNA's from a series of mouse-human somatic cell hybrids with 32P-labeled cloned human H4 and H3 histone DNA as probes. Localization of this histone gene cluster on the long arm of chromosome 1 was confirmed by in situ hybridization of this DNA probe to metaphase chromosomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Green, L -- Van Antwerpen, R -- Stein, J -- Stein, G -- Tripputi, P -- Emanuel, B -- Selden, J -- Croce, C -- GM20138/GM/NIGMS NIH HHS/ -- GM20700/GM/NIGMS NIH HHS/ -- GM32010/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 16;226(4676):838-40.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494913" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; *Chromosomes, Human, 1-3 ; Chromosomes, Human, 6-12 and X ; DNA/metabolism ; Genes ; Histones/*genetics ; Humans ; Hybrid Cells/metabolism ; Mice ; Nucleic Acid Hybridization
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    Immunologic inhibition of ultraviolet radiation-induced tumor suppressor cell activity (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-11
    Description: Long-term exposure of C3H mice to ultraviolet radiation resulted in the formation of suppressor T cells that recognize ultraviolet radiation-induced regressor skin cancers as a class before the appearance of overt tumors. Administration of monoclonal antibodies to the product of the I-Jk subregion of the major histocompatibility complex or low doses of cyclophosphamide in vivo inhibited the development or activity of these cells. This activity of the monoclonal antibody was eliminated by adsorption on B10.BR (I-Jk) but not B10.D2 (I-Jd) splenocytes. These findings provide evidence that elements expressing the I-J determinant are important in regulating the host response prior to the overt development of ultraviolet radiation-induced skin cancers and suggest novel therapeutic approaches to malignancies or other diseases involving suppressor T cells in their pathogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Granstein, R D -- Parrish, J A -- McAuliffe, D J -- Waltenbaugh, C -- Greene, M I -- 1F32 CA07014-102/CA/NCI NIH HHS/ -- AI 18072/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 May 11;224(4649):615-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6231725" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Cyclophosphamide/pharmacology ; H-2 Antigens/immunology ; Mice ; Mice, Inbred C3H ; Neoplasms, Experimental/immunology ; Spleen/cytology ; T-Lymphocytes, Regulatory/drug effects/*immunology/radiation effects ; Ultraviolet Rays
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    The search for a malaria vaccine (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1984 Nov 9;226(4675):679-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6436976" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anopheles/parasitology ; Antibodies, Monoclonal/immunology ; Child, Preschool ; Haplorhini ; Humans ; Infant ; Malaria/*prevention & control ; Mice ; Plasmodium/drug effects/growth & development ; Plasmodium falciparum/immunology ; *Vaccines
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    Ontogenetic changes in frequency mapping of a mammalian ear (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-17
    Description: Cochlear microphonic iso-response functions reported here suggest an explanation of frequency-dependent changes in hearing sensitivity during early development. The work is a direct demonstration of developmental changes in the spatial frequency map of the mammalian hearing organ. Intracochlear recordings from the midbasal turn in a series of age-graded gerbils reveal a progressive increase in best frequency, spanning approximately two octaves, from the time of onset of function until adultlike responses are seen. It is, therefore, suggested that ontogenetic changes in the cellular structure of the organ of Corti contribute to an age-dependent shift in micromechanical response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harris, D M -- Dallos, P -- NS08635/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 17;225(4663):741-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6463651" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Animals ; Cochlea/physiology ; Gerbillinae ; Hearing/*physiology ; Mice ; Organ of Corti/physiology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Functional insertion of an Alu type 2 (B2 SINE) repetitive sequence in murine class I genes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-23
    Description: The regulation of expression of the family of MHC (major histocompatibility complex) class I genes is complex. Sequence analysis has revealed that class I genes from the H-2D subregion of the MHC (which includes the D and L genes) differ from the class I gene from the H-2K subregion (the K gene) by the insertion of a type 2 Alu-like repetitive element (the murine B2 sequence) within the 3' noncoding region of the D and L genes. The consequence of this insertion in the D and L genes is the introduction of a novel polyadenylation signal, which is preferentially used over the more distal signal, the analog of that found in the K gene. The insertion of the type 2 Alu-like sequence results in a change in the preferred site for endonucleolytic cleavage which is necessary for generating a correct 3' terminus for polyadenylation. The data demonstrate that the type 2 Alu-like sequence has a function; the data also suggest a possible regulatory role of this sequence in the expression of class I genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kress, M -- Barra, Y -- Seidman, J G -- Khoury, G -- Jay, G -- AI 19148/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 23;226(4677):974-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6095445" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Deletion ; *Cloning, Molecular ; DNA/*metabolism ; DNA Restriction Enzymes ; *DNA Transposable Elements ; Genes, MHC Class II ; Genetic Linkage ; *Major Histocompatibility Complex ; Mice ; Protein Biosynthesis ; Repetitive Sequences, Nucleic Acid
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    Dietary restriction retards age-related loss of gamma crystallins in the mouse lens (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-15
    Description: The soluble crystallins in lenses from diet-restricted and control mice of diverse ages (2, 11, or 30 months) were studied by high-performance liquid chromatography and sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Results obtained with both methods suggest that dietary restriction decelerates age-related loss of soluble gamma crystallins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leveille, P J -- Weindruch, R -- Walford, R L -- Bok, D -- Horwitz, J -- AG00424/AG/NIA NIH HHS/ -- EY00444/EY/NEI NIH HHS/ -- EY3897/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 15;224(4654):1247-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6729452" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Animals ; Chromatography, High Pressure Liquid ; Crystallins/analysis/*physiology ; *Diet ; Electrophoresis, Polyacrylamide Gel ; Lens, Crystalline/analysis/*physiology ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; Rats
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    Sequential interaction of glia maturation factor with insulin (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-30
    Description: Astroblasts in culture proliferated when exposed to glia maturation factor for at least 2 hours and then to insulin, but not when exposed in the reverse order. The sequential relation suggests that glia maturation factor is a competence factor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lim, R -- Miller, J F -- CA-31796/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Mar 30;223(4643):1419-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6367047" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Astrocytes/drug effects/physiology ; Cell Division/drug effects ; Cells, Cultured ; Drug Interactions ; Glia Maturation Factor ; Growth Substances/*pharmacology/physiology ; Insulin/*pharmacology/physiology ; Mice ; Mice, Inbred BALB C ; Nerve Tissue Proteins/*pharmacology/physiology ; Rats
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    Transfection of the DNA polymerase-alpha gene (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-11-16
    Description: DNA polymerase-alpha is the major replicative DNA polymerase in animal cells. The gene coding for a mutant DNA polymerase-alpha was transferred from one cell to another by transfection of DNA from mutant cells. The DNA was isolated from a mutant hamster cell line resistant to aphidicolin, a specific inhibitor of DNA polymerase-alpha, and transferred into an aphidicolin-sensitive cell line. The resulting transfectants exhibited increased survival in the presence of aphidicolin and contained an aphidicolin-resistant DNA polymerase-alpha.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, P K -- Loeb, L A -- CA07418/CA/NCI NIH HHS/ -- CA24845/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 16;226(4676):833-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6436977" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aphidicolin ; Cell Line ; Clone Cells ; Cricetinae ; Cricetulus/genetics ; DNA Polymerase II/*genetics ; Diterpenes/pharmacology ; Escherichia coli/genetics ; Humans ; Mice ; Mutation ; Salmon/genetics ; *Transfection
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    Influence of clonal selection on the expression of immunoglobulin variable region genes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-14
    Description: The humoral immune response of the mouse to certain antigens is characterized by the dominant expression of a single or limited number of related, immunoglobulin variable region (V) structures by antibody-secreting lymphocytes. Such dominance could be due to preferred expression of these V regions in the B cell population prior to the immune response or could result from the action of selective or regulatory mechanisms during the immune response. Expression of a heavy chain variable region (VH) gene segment that partially encodes a V region structure that dominates the immune response to para-azophenylarsonate (Ars) in strain A mice was examined in the B cell population of Ars nonimmune mice. This VH gene segment participates in encoding several hundred thousand different V region structures expressed in this B cell population. The immune system is therefore capable of recurrently selecting a single V region structure from such a repertoire for dominant expression by antibody-secreting lymphocytes during an immune response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Manser, T -- Huang, S Y -- Gefter, M L -- AI13357/AI/NIAID NIH HHS/ -- CA28900/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 14;226(4680):1283-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6334361" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Diversity ; *Antibody Formation ; Azo Compounds/immunology ; B-Lymphocytes/immunology ; Base Sequence ; *Genes ; Hybridomas ; Immunoglobulin Variable Region/*genetics ; Mice ; Radioimmunoassay
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    Expression of a retrovirus encoding human HPRT in mice (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-10
    Description: Transmissible retroviruses encoding human hypoxanthine phosphoribosyltransferase (HPRT) were used to infect mouse bone marrow cells in vitro, and the infected cells were transplanted into mice. Both active human HPRT-protein and chronic HPRT-virus production were detected in hematopoietic tissue of the mice, showing transfer of the gene. These results indicate the possible use of retroviruses for somatic cell therapy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, A D -- Eckner, R J -- Jolly, D J -- Friedmann, T -- Verma, I M -- CA 19562/CA/NCI NIH HHS/ -- GM28223/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 10;225(4662):630-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6377498" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/microbiology ; Bone Marrow Transplantation ; DNA, Recombinant/metabolism ; Hematopoietic Stem Cells/microbiology ; Humans ; Hypoxanthine Phosphoribosyltransferase/*genetics ; Isoenzymes/metabolism ; Lesch-Nyhan Syndrome/genetics/therapy ; Mice ; Nucleic Acid Hybridization ; Rats ; Retroviridae/enzymology/*genetics ; Spleen/microbiology
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    Infectious and selectable retrovirus containing an inducible rat growth hormone minigene (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-07
    Description: A growth hormone minigene carrying its natural promoter (237 nucleotides of chromosomal DNA) was stably propagated in a murine retrovirus containing hypoxanthine-guanine phosphoribosyltransferase as a selectable marker. Glucocorticoid and thyroid hormone inducibility was transferred with the growth hormone gene. Recombinant virus with titers of 10(6) per milliliter was recovered. This demonstration that retroviruses can be used to transfer a nonselectable gene under its own regulatory control enlarges the scope of retroviral vectors as potent tools for gene transfer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, A D -- Ong, E S -- Rosenfeld, M G -- Verma, I M -- Evans, R M -- New York, N.Y. -- Science. 1984 Sep 7;225(4666):993-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089340" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA, Recombinant ; DNA, Viral/analysis ; Dexamethasone/pharmacology ; Gene Expression Regulation ; *Genes ; Genes, Viral ; Genetic Markers ; *Genetic Vectors ; Growth Hormone/biosynthesis/*genetics ; Hypoxanthine Phosphoribosyltransferase/genetics ; Mice ; Operon ; Phenotype ; RNA, Viral/genetics ; Rats ; Retroviridae/*genetics ; Transcription, Genetic ; Transfection ; Triiodothyronine/pharmacology
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    Autoimmunity and increased c-myb transcription (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-30
    Description: A single recessive gene, lpr, induces an autoimmune-lymphoproliferative syndrome in several strains of mice. The lymphoid organs of lpr/lpr mice contained cells with increased amounts of myb RNA, which codes for a protein found in the nucleus. A similar human lymphoproliferative disorder also had an increase in c-myb expression. Mouse T cells induced by mitogens to proliferate did not express large amounts of myb RNA, indicating that marked myb expression is not a general feature of lymphocyte activation and proliferation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mountz, J D -- Steinberg, A D -- Klinman, D M -- Smith, H R -- Mushinski, J F -- New York, N.Y. -- Science. 1984 Nov 30;226(4678):1087-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494925" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoantibodies/*genetics ; Autoimmune Diseases/*genetics ; Female ; *Genes, Recessive ; Lymphocytes/immunology ; Lymphoproliferative Disorders/*genetics ; Mice ; Mice, Inbred Strains ; Nucleic Acid Hybridization ; *Oncogenes ; Species Specificity ; Spleen/immunology ; *Transcription, Genetic
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    Adoptive immunotherapy of established pulmonary metastases with LAK cells and recombinant interleukin-2 (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-28
    Description: The activation of human peripheral blood leukocytes or murine splenocytes with interleukin-2 (IL-2) generated cells that were lytic in vitro for a variety of fresh tumor cells. The adoptive transfer of such lymphokine-activated killer (LAK) cells to mice with established pulmonary sarcoma metastases was highly effective in reducing the number (and size) of these tumor nodules when combined with repeated injections of recombinant IL-2. These findings provide a rationale for clinical trials of the infusion of human LAK cells generated with recombinant IL-2 as well as Phase I trials of the infusion of recombinant IL-2 systemically into humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mule, J J -- Shu, S -- Schwarz, S L -- Rosenberg, S A -- New York, N.Y. -- Science. 1984 Sep 28;225(4669):1487-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6332379" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA, Recombinant ; *Immunization, Passive ; Interleukin-2/pharmacology/*therapeutic use ; Killer Cells, Natural/*immunology ; Lung Neoplasms/secondary/*therapy ; Lymphocyte Activation ; Mice ; Mice, Inbred C57BL ; Sarcoma, Experimental/secondary/*therapy ; Spleen/cytology
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    Organ-specific adhesion of metastatic tumor cells in vitro (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-08
    Description: Binding of tumor cells to cryostat sections of host organs was studied. B16-F10 melanoma cells and reticulum cell sarcoma cells demonstrated an organ specificity in their binding in vitro that reflected the organ specificity of their metastatic distribution 25 days after intravenous injection. These results provide evidence for specific binding of tumor cells to the tissues that they selectively colonize in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Netland, P A -- Zetter, B R -- 5 T32 GM 07258/GM/NIGMS NIH HHS/ -- R01 CA 28540/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1113-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6372098" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesiveness ; Animals ; Cell Line ; Humans ; Liver/physiopathology ; Lung/physiopathology ; Lymphoma, Large B-Cell, Diffuse/physiopathology ; Melanoma/physiopathology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Neoplasm Metastasis/physiopathology ; Neoplasms/*physiopathology ; Neoplasms, Experimental/physiopathology ; *Organ Specificity
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    Repression of rearranged mu gene and translocated c-myc in mouse 3T3 cells X Burkitt lymphoma cell hybrids (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-27
    Description: The productively rearranged immunoglobulin mu chain gene and the translocated cellular oncogene c-myc are transcribed at high levels both in human Burkitt lymphoma cells carrying the t(8;14) chromosome translocation and in mouse plasmacytoma X Burkitt lymphoma cell hybrids. In the experiments reported here these genes were found to be repressed in mouse 3T3 fibroblast X Burkitt lymphoma cell hybrids. Such repression probably occurs at the transcriptional level since no human mu- and c-myc messenger RNA's are detectable in hybrid clones carrying the corresponding genes. It is therefore concluded that the ability to express these genes requires a differential B cell environment. The results suggest that the 3T3 cell assay may not be suitable to detect oncogenes directly involved in human B cell oncogenesis, since 3T3 cells apparently are incapable of transcribing an oncogene that is highly active in malignant B cells with specific chromosomal translocations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nishikura, K -- ar-Rushdi, A -- Erikson, J -- DeJesus, E -- Dugan, D -- Croce, C M -- CA 09171/CA/NCI NIH HHS/ -- CA 10815/CA/NCI NIH HHS/ -- GM 31060/GM/NIGMS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Apr 27;224(4647):399-402.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6424234" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Burkitt Lymphoma/*genetics ; Fibroblasts ; *Gene Expression Regulation ; Genes ; Humans ; Hybrid Cells/*metabolism ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin mu-Chains/*genetics ; Mice ; *Oncogenes ; RNA, Messenger/genetics ; Transcription, Genetic ; *Translocation, Genetic
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    Virus persists in beta cells of islets of Langerhans and is associated with chemical manifestations of diabetes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-29
    Description: Molecular hybridization, monoclonal antibody, and electron microscopic analyses showed lymphocytic choriomeningitis virus (strains Armstrong and WE) persistently infecting cells of the islets of Langerhans in BALB/WEHI mice. When monoclonal or monospecific antibody conjugated with two different fluorochrome dyes was used to mark insulin-containing beta cells or viral antigens, viral nucleoprotein was identified predominantly in beta cells. Electron microscopy confirmed these findings by showing virions budding from the beta cells. Persistent infection was associated with chemical evidence of diabetes (hyperglycemia, abnormal glucose tolerance, and normal or low-normal concentrations of insulin). Concentrations of cortisol and insulin-like growth factor in blood were normal, as was the level of growth hormone in the pituitary gland. The virus-infected islet cells showed normal anatomy and cytomorphology. Neither cell lysis nor inflammatory infiltrates were routinely seen. Thus a virus may persistently infect islet cells and provide a biochemical and morphological picture comparable to that of early adult-onset diabetes mellitus in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Oldstone, M B -- Southern, P -- Rodriquez, M -- Lampert, P -- AG-04342/AG/NIA NIH HHS/ -- AI-09484/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 29;224(4656):1440-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6203172" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/immunology ; Diabetes Mellitus/*microbiology/physiopathology ; Glucose Tolerance Test ; Humans ; Insulin/secretion ; Islets of Langerhans/*microbiology/physiopathology/ultrastructure ; Lymphocytic choriomeningitis virus/*metabolism ; Mice ; Mice, Inbred Strains ; Microscopy, Electron ; Nucleic Acid Hybridization ; RNA/metabolism
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    Antibodies to human c-myc oncogene product: evidence of an evolutionarily conserved protein induced during cell proliferation (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-17
    Description: Antisera to a synthetic c-myc peptide and to c-myc antigens synthesized from various portions of the human gene expressed in Escherichia coli were used in order to characterize the protein product of the human c-myc oncogene. Although the deduced molecular weight of the human c-myc protein is 49,000, these antisera precipitate a protein from human cells that migrates in sodium dodecyl sulfate-polyacrylamide gel as if its molecular weight were 65,000. In addition, the mouse c-myc protein, whether synthesized in cells or in a cell-free system directed by pure, synthetic messenger RNA, has analogous properties and is immunoprecipitated by the antiserum to the human c-myc protein. Similar proteins are immunoprecipitated from monkey, rat, hamster, and frog cells, suggesting evolutionary conservation of antigenic structure of the c-myc protein among vertebrates. In addition, and in a manner consistent with the behavior of its messenger RNA, the immunoprecipitable c-myc protein is sharply induced by the action of mitogens on resting human T cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Persson, H -- Hennighausen, L -- Taub, R -- DeGrado, W -- Leder, P -- New York, N.Y. -- Science. 1984 Aug 17;225(4663):687-93.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6431612" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibodies, Neoplasm/*immunology ; Base Sequence ; *Cell Division ; Chickens ; Cricetinae ; DNA, Neoplasm/genetics ; DNA, Recombinant/metabolism ; Electrophoresis, Polyacrylamide Gel ; Haplorhini ; Humans ; Mice ; Mitogens/pharmacology ; Molecular Weight ; Neoplasm Proteins/genetics/*immunology ; *Oncogenes ; RNA, Messenger/genetics ; Rabbits ; Rats
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    Loss of adhesion of murine erythroleukemia cells to fibronectin during erythroid differentiation (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-06-01
    Description: Uninduced murine erythroleukemia cells specifically attached to fibronectin-coated dishes but not to dishes coated with laminin or type I or IV collagen. Dimethyl sulfoxide-induced differentiation of these cells caused a dramatic decrease in adhesion to fibronectin that was correlated with synthesis of the erythrocyte glycoprotein "band III," a membrane marker of the differentiated erythrocyte. Loss or modification of fibronectin binding sites on the cell surface during erythroid differentiation may cause the release of reticulocytes from the interstitial matrix of bone marrow into the blood.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Patel, V P -- Lodish, H F -- New York, N.Y. -- Science. 1984 Jun 1;224(4652):996-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6585955" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesiveness ; Animals ; Anion Exchange Protein 1, Erythrocyte/biosynthesis ; Bone Marrow/physiology ; Dimethyl Sulfoxide/pharmacology ; *Erythropoiesis/drug effects ; Fibronectins/*physiology ; Hemoglobins/biosynthesis ; Humans ; Leukemia, Erythroblastic, Acute/*physiopathology ; Mice
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    Interferon-beta-related DNA is dispersed in the human genome (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-23
    Description: Interferon-beta 1 (IFN-beta 1) complementary DNA was used as a hybridization probe to isolate human genomic DNA clones lambda B3 and lambda B4 from a human genomic DNA library. Blot-hybridization procedures and partial nucleotide sequencing revealed that lambda B3 is related to IFN-beta 1 (and more distantly to IFN-alpha 1). Analyses of DNA obtained from a panel of human-rodent somatic cell hybrids that were probed with DNA derived from lambda B3 showed that lambda B3 is on human chromosome 2. Similar experiments indicated that lambda B4 is not on human chromosomes 2, 5, or 9. The finding that DNA related to the IFN-beta 1 gene (and IFN-alpha 1 gene) is dispersed in the human genome raises new questions about the origins of the interferon genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sagar, A D -- Sehgal, P B -- May, L T -- Inouye, M -- Slate, D L -- Shulman, L -- Ruddle, F H -- AI-16262/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Mar 23;223(4642):1312-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6546621" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Chromosome Mapping ; Chromosomes, Human/*analysis ; Chromosomes, Human, 1-3 ; Chromosomes, Human, 4-5 ; Chromosomes, Human, 6-12 and X ; Cloning, Molecular ; Cricetinae ; DNA/*analysis ; *Genes ; Humans ; Hybrid Cells ; Interferon Type I/*genetics ; Mice ; Nucleic Acid Hybridization
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    Nucleotide sequences of the human and mouse atrial natriuretic factor genes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-07
    Description: Mouse and human atrial natriuretic factor (ANF) genes have been cloned and their nucleotide sequences determined. Each ANF gene consists of three coding blocks separated by two intervening sequences. The 5' flanking sequences and those encoding proANF are highly conserved between the two species, while the intervening sequences and 3' untranslated regions are not. The conserved sequences 5' of the gene may play an important role in the regulation of ANF gene expression.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seidman, C E -- Bloch, K D -- Klein, K A -- Smith, J A -- Seidman, J G -- AI-18436/AI/NIAID NIH HHS/ -- HL-070208/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 7;226(4679):1206-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6542248" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Atrial Natriuretic Factor ; Base Sequence ; Cloning, Molecular ; Gene Expression Regulation ; Genes ; Heart Atria/metabolism ; Humans ; Mice ; Natriuretic Agents ; Protein Precursors/genetics ; Proteins/*genetics ; Receptors, Glucocorticoid/metabolism
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    Novel pharmacology of substance K-binding sites: a third type of tachykinin receptor (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-23
    Description: The tachykinins are a family of peptides with the carboxyl terminal amino acid sequence Phe-X-Gly-Leu-Met-NH2. Three major mammalian tachykinins have been identified--substance K, neuromedin K, and substance P--but only two tachykinin receptors have been postulated. Three tachykinins were labeled with radioiodinated Bolton-Hunter reagent and their binding characteristics were determined in crude membrane suspensions from several tissues. In cerebral cortex labeled eledoisin exhibited high-affinity binding that was inhibited by tachykinins in a manner indicating a definitive SP-E receptor site. In gastrointestinal smooth muscle and bladder, high-affinity binding of labeled substance P was inhibited in a pattern indicating a definitive SP-P site. In intestinal smooth muscle and bladder, however, labeled substance K and labeled eledoisin were both bound in a pattern indicating a preference for substance K itself. The results suggest the existence of three distinct types of tachykinin receptors: SP-P, SP-E, and SP-K.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buck, S H -- Burcher, E -- Shults, C W -- Lovenberg, W -- O'Donohue, T L -- New York, N.Y. -- Science. 1984 Nov 23;226(4677):987-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6095447" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Cell Membrane/metabolism ; Cerebral Cortex/*metabolism ; Duodenum/*metabolism ; Guinea Pigs ; Intestine, Small/*metabolism ; Kinetics ; Mice ; Organ Specificity ; Peptides/*metabolism ; Rats ; Receptors, Neurokinin-2 ; Receptors, Neurotransmitter/*metabolism ; *Receptors, Tachykinin ; Species Specificity ; Tachykinins ; Urinary Bladder/*metabolism
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    Expression of the c-fos gene and of an fos-related gene is stimulated by platelet-derived growth factor (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-30
    Description: Complementary DNA clones of genes induced by platelet-derived growth factor (PDGF) in BALB/c-3T3 cells were isolated; one such clone contains a domain having nucleotide sequence homology with the third exon of c-fos. This nucleotide sequence homology is reflected in the predicted amino acid sequences of the gene products. Under low stringency conditions, the mouse v-fos gene cross-hybridizes with the PDGF-inducible complementary DNA clone. However, the messenger RNA transcripts of mouse c-fos and the new fos-related gene can be distinguished by gel electrophoresis and by S1 nuclease analysis. Expression of the authentic c-fos gene is induced by PDGF and superinduced by the combination of PDGF and cycloheximide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cochran, B H -- Zullo, J -- Verma, I M -- Stiles, C D -- New York, N.Y. -- Science. 1984 Nov 30;226(4678):1080-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6093261" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cells, Cultured ; *Cloning, Molecular ; DNA/analysis ; DNA Restriction Enzymes ; DNA Transposable Elements ; Endonucleases ; Genes/drug effects ; Mice ; Mice, Inbred BALB C ; Nucleic Acid Hybridization ; Oncogenes/*drug effects ; Platelet-Derived Growth Factor/*pharmacology ; Single-Strand Specific DNA and RNA Endonucleases ; Transcription, Genetic/drug effects
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    Complete development of Cryptosporidium in cell culture (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-05-11
    Description: Protozoan parasites of the genus Cryptosporidium cause a short-term, flu-like, gastrointestinal illness in immunocompetent persons and severe, persistent, life-threatening diarrhea in immunodeficient individuals. No effective therapy is available for the treatment of cryptosporidiosis in the immunodeficient host. Complete development (from sporozoite to sporulated oocyst) of a human isolate of Cryptosporidium was achieved in cultured human fetal lung cells and primary chicken kidney and porcine kidney cells. The growth of this newly recognized zoonotic agent in cell culture now provides a means of studying its behavior, development, and metabolism, and a mechanism for evaluation of potentially useful therapeutic agents.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Current, W L -- Haynes, T B -- New York, N.Y. -- Science. 1984 May 11;224(4649):603-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6710159" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/complications ; Animals ; Cattle ; Cells, Cultured ; Coccidia/*growth & development ; Coccidiosis/etiology/parasitology ; Culture Media ; Humans ; Mice
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    Homologous recombination catalyzed by mammalian cell extracts in vitro (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-07
    Description: An assay was developed to detect recombination events taking place in an in vitro reaction. Extracts of cultured mouse preB lymphocytes were found to catalyze homologous recombination between substrate DNA molecules but not site-specific recombination between cloned mouse immunoglobulin D and J genes. Addition of deoxyribonucleoside triphosphates increased the frequency of homologous recombination. This recombination activity was not observed in two differentiated lymphocyte cell lines.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Darby, V -- Blattner, F -- AI19325/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1984 Dec 7;226(4679):1213-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6334360" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes ; Cells, Cultured ; Crossing Over, Genetic ; DNA, Viral ; Immunoglobulin Variable Region/genetics ; Mice ; Mutation ; Nucleoproteins/genetics ; *Recombination, Genetic
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    Is alpha 1-protease inhibitor inactivated by smoking? (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janoff, A -- Chan, S K -- Abboud, R T -- Richter, A -- Fera, T -- Johal, S -- New York, N.Y. -- Science. 1984 May 18;224(4650):755-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6609431" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; Lung/drug effects/metabolism ; Mice ; Smoke/adverse effects ; *Smoking ; Therapeutic Irrigation ; alpha 1-Antitrypsin/*metabolism
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    Induction of interleukin 2 messenger RNA inhibited by cyclosporin A (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-12-21
    Description: Cyclosporin A blocked production of the lymphokine interleukin 2 by activated T lymphocytes. In a human and a murine cell line this inhibition reflected an absence of interleukin 2 messenger RNA. Under conditions in which these cells are normally stimulated to secrete high levels of interleukin 2, they failed to do so in the presence of cyclosporin A. In both cell lines this failure was accompanied by an absence of interleukin 2 messenger accumulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Elliott, J F -- Lin, Y -- Mizel, S B -- Bleackley, R C -- Harnish, D G -- Paetkau, V -- New York, N.Y. -- Science. 1984 Dec 21;226(4681):1439-41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6334364" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cyclosporins/*pharmacology ; Humans ; Interleukin-2/biosynthesis/*genetics ; Mice ; Protein Biosynthesis/drug effects ; RNA, Messenger/*metabolism ; T-Lymphocytes/metabolism
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    Saccharomyces cerevisiae produces a yeast substance that exhibits estrogenic activity in mammalian systems (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-06-08
    Description: Partially purified lipid extracts of Saccharomyces cerevisiae contain a substance that displaces tritiated estradiol from rat uterine cytosol estrogen receptors. The yeast product induces estrogenic bioresponses in mammalian systems as measured by induction of progesterone receptors in cultured MCF-7 human breast cancer cells and by a uterotrophic response and progesterone receptor induction after administration to ovariectomized mice. The findings raise the possibility that bakers' yeast may be a source of environmental estrogens.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feldman, D -- Stathis, P A -- Hirst, M A -- Stover, E P -- Do, Y S -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1109-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6372097" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Assay ; Breast Neoplasms/metabolism ; Estradiol/metabolism ; Estrogens/*biosynthesis/pharmacology ; Female ; Humans ; Mice ; Receptors, Progesterone/metabolism ; Saccharomyces cerevisiae/*metabolism ; Uterus/drug effects
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    Somatic activation of rasK gene in a human ovarian carcinoma (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-17
    Description: A tumor isolate from a patient with serous cystadenocarcinoma of the ovary contained an activated rasK gene detected hy transfection of NIH/3T3 cells. In contrast, DNA from normal cells of the same patient lacked transforming activity, indicating that activation of this transforming gene was the consequence of somatic mutation in the neoplastic cells. The transforming gene product displayed an electrophoretic mobility in sodium dodecyl sulfate-polyacrylamide gels that differed from the mobilities of rasK transforming proteins in other tumors, indicating that a previously undescribed mutation was responsible for activation of rasK in this ovarian carcinoma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Feig, L A -- Bast, R C Jr -- Knapp, R C -- Cooper, G M -- CA07101/CA/NCI NIH HHS/ -- CA18689/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 17;223(4637):698-701.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6695178" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; Cell Transformation, Neoplastic ; Cystadenocarcinoma/*genetics ; DNA, Neoplasm/genetics/isolation & purification ; Female ; Humans ; Lung Neoplasms/genetics ; Mice ; *Oncogenes ; Ovarian Neoplasms/*genetics ; Transfection
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    Antigenic similarity between cells transformed by ultraviolet radiation in vitro and in vivo (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-10
    Description: Cells of the 10T 1/2 mouse fibroblast line transformed in vitro by ultraviolet radiation are antigenically similar to those from skin cancers produced in mice by repeated exposure to ultraviolet radiation. Both types of tumor cells grew preferentially in ultraviolet-irradiated syngeneic mice relative to untreated animals, and both were recognized by ultraviolet radiation-induced tumor-specific suppressor lymphocytes. These properties were not shared by 10T 1/2 cells transformed in vitro by x-rays or 3-methylcholanthrene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fisher, M S -- Kripke, M L -- Chan, G L -- CA-09078/CA/NCI NIH HHS/ -- CA-11751/CA/NCI NIH HHS/ -- N01-CO-23909/CO/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 10;223(4636):593-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6695169" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/*analysis ; Carcinogens ; Cell Line ; *Cell Transformation, Neoplastic ; Cells, Cultured ; Mice ; Mice, Inbred C3H ; Neoplasm Transplantation ; Transplantation, Isogeneic ; *Ultraviolet Rays
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    A cell line expressing vesicular stomatitis virus glycoprotein fuses at low pH (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-08-17
    Description: A stable cell line expressing a complementary DNA clone encoding the vesicular stomatitis virus glycoprotein fused and formed polykaryons at pH 5.5. The formation of polykaryons was dependent on the presence of glycoprotein anchored at the cell surface and could be prevented by incubation of cells with a monoclonal antibody to the glycoprotein. Fusion occurred at a pH 0.5 unit lower than that observed for cells infected with vesicular stomatitis virus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Florkiewicz, R Z -- Rose, J K -- 1 F32 AI06911-01/AI/NIAID NIH HHS/ -- AI15481/AI/NIAID NIH HHS/ -- CA 14195/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Aug 17;225(4663):721-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6087454" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal/metabolism ; *Cell Fusion ; Cell Line ; Cell Membrane/*metabolism ; Glycoproteins/*metabolism ; Hydrogen-Ion Concentration ; *Membrane Glycoproteins ; Mice ; Vesicular stomatitis Indiana virus/*metabolism ; *Viral Envelope Proteins ; Viral Proteins/*metabolism
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    Single-copy inverted repeats associated with regional genetic duplications in gamma fibrinogen and immunoglobulin genes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-13
    Description: We have found that a portion (150 base pairs) of the seventh exon of the human gamma fibrinogen gene is duplicated in the preceding intron. This duplicated sequence, termed a "pseudoexon," is flanked on each side by a single-copy inverted repeat sequence consisting of 102 base pairs. Frequencies of point substitutions indicate that both the pseudoexon and the inverted repeat sequence arose approximately 10 to 20 million years ago. The generality of this type of duplication is suggested by the occurrence of a similar duplication in the mouse immunoglobulin mu-delta region. As in the fibrinogen pseudoexon, the portion of the immunoglobulin mu-delta region containing the duplication and the inverted repeat was reported to be single-copy in the mouse genome. Since both of the first two single-copy inverted repeats to be sequenced are associated with regional duplications, it is likely that many of the single-copy inverted repeat sequences, which make up 1 to 2 percent of the genome, are also associated with regional duplications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fornace, A J Jr -- Cummings, D E -- Comeau, C M -- Kant, J A -- Crabtree, G R -- New York, N.Y. -- Science. 1984 Apr 13;224(4645):161-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6322310" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA/genetics ; DNA Replication ; DNA Transposable Elements ; Fibrinogen/*genetics ; *Genes ; Genes, MHC Class II ; Humans ; Immunoglobulins/*genetics ; Mice ; Nucleic Acid Hybridization ; Rats ; *Repetitive Sequences, Nucleic Acid
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Isolation, characterization, and chromosome assignment of mouse N-ras gene from carcinogen-induced thymic lymphoma (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-09-07
    Description: Treatment of mice with the carcinogen N-methylnitrosourea results in the development of thymic lymphomas with frequent involvement of the N-ras oncogene. The activated mouse N-ras gene was isolated from one of these lymphomas and, by transformation in concert with restriction digestion, a map of the gene was prepared and its approximate boundaries were determined. By means of somatic cell hybrids the normal N-ras gene was found to be unlinked to other members of the ras gene family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guerrero, I -- Villasante, A -- D'Eustachio, P -- Pellicer, A -- CA-16239/CA/NCI NIH HHS/ -- GM-32105/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Sep 7;225(4666):1041-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6089339" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic ; Chromosome Mapping ; Cloning, Molecular ; Cricetinae ; DNA Restriction Enzymes ; Deoxyribonuclease EcoRI ; Genetic Linkage ; Hybrid Cells ; Lymphoma/chemically induced/*genetics ; Methylnitrosourea ; Mice ; Mice, Inbred Strains ; *Oncogenes ; Thymus Neoplasms/chemically induced/*genetics
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  • 81
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    Activation of a c-K-ras oncogene by somatic mutation in mouse lymphomas induced by gamma radiation (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-09-14
    Description: Mouse tumors induced by gamma radiation are a useful model system for oncogenesis. DNA from such tumors contains an activated K-ras oncogene that can transform NIH 3T3 cells. This report describes the cloning of a fragment of the mouse K-ras oncogene containing the first exon from both a transformant in rat-2 cells and the brain of the same mouse that developed the tumor. Hybrid constructs containing one of the two pieces were made and only the plasmid including the first exon from the transformant gave rise to foci in NIH 3T3 cells. There was only a single base difference (G----A) in the exonic sequence, which changed glycine to aspartic acid in the transformant. By use of a synthetic oligonucleotide the presence of the mutation was demonstrated in the original tumor, ruling out modifications during DNA-mediated gene transfer and indicating that the alteration was present in the thymic lymphoma but absent from other nonmalignant tissue. The results are compatible with gamma radiation being a source of point mutations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guerrero, I -- Villasante, A -- Corces, V -- Pellicer, A -- CA-36327/CA/NCI NIH HHS/ -- GM-32036/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Sep 14;225(4667):1159-62.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6474169" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Transformation, Neoplastic ; Cells, Cultured ; Cloning, Molecular ; Gamma Rays ; Lymphoma/*genetics ; Mice ; Mutation ; Neoplasms, Radiation-Induced/*genetics ; Nucleic Acid Hybridization ; *Oncogenes ; Rats
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  • 82
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    Cyclophilin: a specific cytosolic binding protein for cyclosporin A (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-02
    Description: Cyclophilin, a specific cytosolic binding protein responsible for the concentration of the immunosuppressant cyclosporin A by lymphoid cells, was purified to homogeneity from bovine thymocytes. Cation-exchange high-performance liquid chromatography resolved a major and minor cyclophilin species that bind cyclosporin A with a dissociation constant of about 2 X 10(-7) moles per liter and specific activities of 77 and 67 micrograms per milligram of protein, respectively. Both cyclophilin species have an apparent molecular weight of 15,000, an isoelectric point of 9.6, and nearly identical amino acid compositions. A portion of the NH2-terminal amino acid sequence of the major species was determined. The cyclosporin A-binding activity of cyclophilin is sulfhydryl dependent, unstable at 56 degrees C and at pH 4 or 9.5, and sensitive to trypsin but not to chymotrypsin digestion. Cyclophilin specifically binds a series of cyclosporin analogs in proportion to their activity in a mixed lymphocyte reaction. Isolation of cyclophilin from the cytosol of thymocytes suggests that the immunosuppressive activity of cyclosporin A is mediated by an intracellular mechanism, not by a membrane-associated mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Handschumacher, R E -- Harding, M W -- Rice, J -- Drugge, R J -- Speicher, D W -- New York, N.Y. -- Science. 1984 Nov 2;226(4674):544-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6238408" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Carrier Proteins/*isolation & purification/metabolism ; Cattle ; Chromatography, High Pressure Liquid ; Cyclosporins/*metabolism ; Electrophoresis, Polyacrylamide Gel ; Humans ; Isoelectric Point ; Kinetics ; Lymphocyte Culture Test, Mixed ; Mice ; Molecular Weight ; Peptidylprolyl Isomerase
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  • 83
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    Gene therapy method shows promise (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-03-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G -- New York, N.Y. -- Science. 1984 Mar 30;223(4643):1376, 1378-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6367045" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Deaminase/deficiency ; Anemia, Sickle Cell/therapy ; Animals ; Bone Marrow Transplantation ; *Genes ; Genetic Diseases, Inborn/*therapy ; Humans ; Mice ; Retroviridae ; Thalassemia/therapy
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  • 84
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    Chromosome 4 Jt gene controls murine T cell surface I-J expression (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-02-10
    Description: Data are presented suggesting a resolution to the paradox concerning the murine response subregion I-J, which encodes a suppressor T cell marker. The controversy arose when sequences corresponding to I-J DNA were not found in the central immune response region described by immunogeneticists. New evidence is presented that T cell surface I-J expression results from the action of at least two complementing genes. One gene is within the H-2 region on chromosome 17; the second gene, termed Jt, is on chromosome 4. The two recombinant mouse strains B10.A(3R) and B10.A(5R) originally used to define the I-J subregion apparently differ not within the H-2 region but elsewhere.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayes, C E -- Klyczek, K K -- Krum, D P -- Whitcomb, R M -- Hullett, D A -- Cantor, H -- CA34106/CA/NCI NIH HHS/ -- T 32 CA 09106/CA/NCI NIH HHS/ -- T 32 GM 07215/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 10;223(4636):559-63.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6607530" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Antigens, Surface/*genetics ; Chromosome Mapping ; *Genes ; *Major Histocompatibility Complex ; Mice ; Mice, Inbred Strains ; Species Specificity ; T-Lymphocytes/*immunology
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  • 85
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    Dopaminergic neurotoxicity of 1-methyl-4-phenyl-1,2,5,6-tetrahydropyridine in mice (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-06-29
    Description: 1-Methyl-4-phenyl-1,2,5,6- tetrahydropyri dine ( MPTP ) is known to cause an irreversible destruction of the dopaminergic nigrostriatal pathway and symptoms of parkinsonism in humans and in monkeys. However, MPTP has been reported to act only minimally or not at all in several other animal species. When MPTP (30 milligrams per kilogram of body weight) was administered parenterally to mice, a decrease in concentrations of neostriatal dopamine and its metabolites, a decrease in the capacity of neostriatal synaptosomal preparations to accumulate [3H]dopamine, and a disappearance of nerve cells in the zona compacta of the substantia nigra were observed. In contrast, MPTP administration had no effect on neostriatal concentrations of serotonin and its metabolites. MPTP administration thus results in biochemical and histological changes in mice similar to those reported in humans and monkeys and similar to those seen in Parkinson's disease in humans. The mouse should prove to be a useful small animal with which to study the mode of action of MPTP .〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heikkila, R E -- Hess, A -- Duvoisin, R C -- New York, N.Y. -- Science. 1984 Jun 29;224(4656):1451-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6610213" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine ; 3,4-Dihydroxyphenylacetic Acid/analysis ; Animals ; Brain/*drug effects ; Brain Chemistry/drug effects ; Dopamine/analysis/*physiology ; Homovanillic Acid/analysis ; Humans ; Male ; Mice ; Pyridines/*adverse effects ; Substantia Nigra/analysis ; Synaptosomes/analysis
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  • 86
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    Dynamic heterogeneity: rapid generation of metastatic variants in mouse B16 melanoma cells (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-06-01
    Description: The ability of clonally derived lines of B16F1 and B16F10 melanoma cells to form experimental metastases in C57BL mice after intravenous injection was examined. Luria- Delbruck fluctuation analysis was applied to the results obtained with parallel subclones grown to small population sizes before testing for metastatic ability. The analysis demonstrated that variant cells capable of forming experimental metastases were generated in B16F1 cell populations at an effective rate of about 1.3 X 10(-5) per cell per generation while in B16F10 cell populations the effective rate of production was about 5 X 10(-5) per cell per generation. These results are consistent with a dynamic heterogeneity model of tumor progression. They suggest that the majority of cells in both lines are effectively nonmetastatic and that the higher metastatic ability of the B16F10 population may be due in part to a higher rate of generation of metastatic variants.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hill, R P -- Chambers, A F -- Ling, V -- Harris, J F -- New York, N.Y. -- Science. 1984 Jun 1;224(4652):998-1001.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6719130" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Clone Cells ; Humans ; Melanoma/genetics/*physiopathology ; Mice ; Mice, Inbred C57BL ; Neoplasm Metastasis/physiopathology ; Neoplasms, Experimental/genetics/physiopathology ; Phenotype
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  • 87
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    NIH turns down Illmensee proposal (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-07-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1984 Jul 6;225(4657):36.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6729467" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Mice ; *National Institutes of Health (U.S.) ; Nuclear Transfer Techniques ; *Research Support as Topic ; Switzerland ; United States
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  • 88
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    Oncogene-induced transformation of C3H 10T1/2 cells is enhanced by tumor promoters (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-11-02
    Description: The tumor promoters 12-O-tetradecanoyl-phorbol-13-acetate and teleocidin markedly enhanced the transformation of C3H 10T1/2 mouse fibroblasts when these cells were transfected with the cloned human bladder cancer c-rasH oncogene. Transfection studies with the drug resistance marker gpt and time course studies indicate that this enhancement is not simply an effect on the process of DNA transfection. These findings, together with parallel studies with NIH 3T3 fibroblasts, also indicate that the competence of animal cells for DNA transfection is a function of the recipient cell line, the transfected marker, and the growth conditions. Our findings suggest that during multistage carcinogenesis tumor promoters may complement the function of activated cellular oncogenes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hsiao, W L -- Gattoni-Celli, S -- Weinstein, I B -- CA 26056/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 2;226(4674):552-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6436974" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinogens/*pharmacology ; Cell Line ; Cell Transformation, Neoplastic/*chemically induced ; DNA, Neoplasm/metabolism ; Humans ; Lyngbya Toxins/pharmacology ; Mice ; Mice, Inbred C3H ; Oncogenes/*drug effects ; Tetradecanoylphorbol Acetate/pharmacology ; Transfection/drug effects
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  • 89
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    A common onc gene sequence transduced by avian carcinoma virus MH2 and by murine sarcoma virus 3611 (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-02-24
    Description: A common cellular sequence was independently transduced by avian carcinoma virus MH2 (v-mht) and murine sarcoma virus (MSV) 3611 (v-raf). Comparison of the nucleotide sequences of v-mht and v-raf revealed a region of homology that extends over 969 nucleotides. The homology between the corresponding amino acids was about 95 percent with only 19 of 323 amino acids being different. With this example, 5 of the 19 known different viral onc genes have been observed in viruses of different taxonomic groups. These data indicate that (i) the number of cellular proto-onc genes is limited because, like other viruses of different taxonomic groups, MH2 and MSV 3611 have transduced the same onc gene-specific sequences from different cell species and (ii) that specific deletion and linkage of the same proto-onc sequences to different viral vector elements affect the oncogenic potential of the resulting viruses. The difference in transformation capabilities of MH2 and MSV 3611 serves as an example.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kan, N C -- Flordellis, C S -- Mark, G E -- Duesberg, P H -- Papas, T S -- CA11426/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Feb 24;223(4638):813-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6320371" target="_blank"〉PubMed〈/a〉
    Keywords: Alpharetrovirus/*genetics ; Animals ; Base Sequence ; Chickens/genetics ; Genes, Viral ; Mice ; *Oncogenes ; Sarcoma Viruses, Murine/*genetics ; Species Specificity ; Transduction, Genetic
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  • 90
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    Antibody to hepatitis B virus induced by injecting antibodies to the idiotype (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-03-02
    Description: Anti-idiotype reagents that recognize a common idiotype associated with antibody to hepatitis B surface antigen (anti-HBs) were used to induce anti-HBs in mice. The anti-idiotype-induced anti-HBs was found to recognize the group-specific a determinant of hepatitis B surface antigen and to express an interspecies idiotype. These findings suggest that anti-idiotypes may be useful as vaccines or vaccine primers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kennedy, R C -- Melnick, J L -- Dreesman, G R -- New York, N.Y. -- Science. 1984 Mar 2;223(4639):930-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6198721" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cross Reactions ; Epitopes/immunology ; Hepatitis B Antibodies/*biosynthesis/immunology ; Hepatitis B Surface Antigens/classification/*immunology ; Immunization, Passive ; Immunoglobulin Idiotypes/*immunology ; Mice ; Mice, Inbred BALB C ; Species Specificity
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  • 91
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    Immunoregulatory lymphokines of T hybridomas from AIDS patients: constitutive and inducible suppressor factors (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-07-06
    Description: Supernatants derived from peripheral blood mononuclear cell cultures of certain patients with the acquired immunodeficiency syndrome (AIDS) or its prodromes have the capacity to block T cell-dependent immune reactivity in vitro. T cells derived from a patient positive for antibody to the lymphadenopathy associated virus ( LAV ), and elaborating high titers of these soluble suppressor factors, were fused to a mutagenized clone of the human T lymphoblastoid cell line KE37 . Molecules capable of profoundly depressing T cell-dependent polyclonal antibody production and DNA synthetic responses, either directly or after incubation with normal adherent cells, were isolated from stable hybrid clones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Laurence, J -- Mayer, L -- CA 35018-01/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1984 Jul 6;225(4657):66-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6328662" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*immunology ; Animals ; Humans ; Hybridomas/*immunology ; Lymphokines/*immunology ; Mice ; Mice, Inbred BALB C ; Monocytes/immunology ; Retroviridae/immunology ; Retroviridae Infections/immunology ; T-Lymphocytes/*immunology
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  • 92
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    Brain enzyme is the target of drug toxin (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-09-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1984 Sep 28;225(4669):1460-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6433484" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine ; Animals ; Binding Sites ; Brain/drug effects/*enzymology/metabolism ; Haplorhini ; Humans ; Mice ; Monoamine Oxidase/*metabolism ; Oxidation-Reduction ; Parkinson Disease, Secondary/*chemically induced ; Pyridines/*metabolism/pharmacology/toxicity ; Rats
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  • 93
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    Human ornithine transcarbamylase locus mapped to band Xp21.1 near the Duchenne muscular dystrophy locus (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-11-09
    Description: The gene for the mitochondrial enzyme ornithine transcarbamylase was mapped to the short arm of the X chromosome by in situ hybridization experiments, with DNA complementary to the human ornithine transcarbamylase gene used as a probe. A series of cell lines with X chromosome abnormalities was used to localize the gene to band Xp21.1. Because the gene maps near the Duchenne muscular dystrophy locus, the ornithine transcarbamylase probe may be useful in carrier detection and prenatal diagnosis of Duchenne muscular dystrophy as well as of ornithine transcarbamylase deficiency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lindgren, V -- de Martinville, B -- Horwich, A L -- Rosenberg, L E -- Francke, U -- GM 32156/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1984 Nov 9;226(4675):698-700.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494904" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; DNA/metabolism ; Female ; Humans ; Male ; Mice ; Muscular Dystrophies/enzymology/*genetics ; Nucleic Acid Hybridization ; Ornithine Carbamoyltransferase/*genetics ; Prenatal Diagnosis ; Sex Chromosome Aberrations/genetics ; *X Chromosome
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  • 94
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    Rat transforming growth factor type 1: structure and relation to epidermal growth factor (1984)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1984-03-09
    Description: The complete amino acid sequence of rat transforming growth factor type 1 has been determined. This growth factor, obtained from retrovirus-transformed fibroblasts, is structurally and functionally related to mouse epidermal growth factor and human urogastrone. Production of this polypeptide by various neoplastic cells might contribute to the continued expression of the transformed phenotype.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marquardt, H -- Hunkapiller, M W -- Hood, L E -- Todaro, G J -- New York, N.Y. -- Science. 1984 Mar 9;223(4640):1079-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6320373" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Line ; *Cell Transformation, Neoplastic ; DNA/biosynthesis ; Epidermal Growth Factor/*metabolism/pharmacology ; Humans ; Idoxuridine/metabolism ; Mice ; Peptide Biosynthesis ; Peptides/*metabolism/pharmacology ; Rats ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/metabolism ; Structure-Activity Relationship ; Transforming Growth Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 95
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    Primary structure of v-raf: relatedness to the src family of oncogenes (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-04-20
    Description: A replication-defective, acute transforming retrovirus (murine sarcoma virus 3611) was isolated from mouse and molecularly cloned. The nucleotide sequence of 1.5 kilobases encompassing the transforming gene (v-raf) was determined. This sequence, which predicts the amino acid sequence of a gag-raf fusion protein, terminates 180 nucleotides from the 3' end of the acquired cellular sequence. Comparison of the predicted amino acid sequence of v-raf with the predicted amino acid sequences of other oncogenes reveals significant homologies to the src family of oncogenes. There is a lack of homology within the sequence of the tyrosine acceptor domain described for the phosphotyrosine kinase members of the src family of transforming proteins. Phylogenetic arrangement of this family of oncogenes suggests that tyrosine-specific phosphorylation may be a recently acquired activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mark, G E -- Rapp, U R -- New York, N.Y. -- Science. 1984 Apr 20;224(4646):285-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6324342" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Biological Evolution ; Cell Transformation, Neoplastic ; Cell Transformation, Viral ; DNA Restriction Enzymes ; Gene Products, gag ; *Genes, Viral ; Mice ; *Oncogenes ; Protein Biosynthesis ; Protein Kinases/metabolism ; Protein-Tyrosine Kinases ; Sarcoma Viruses, Murine/*genetics ; Transcription, Genetic ; Tyrosine/metabolism ; Viral Proteins/analysis/*genetics
    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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  • 96
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    The other T-cell receptor gene (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-07-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1984 Jul 13;225(4658):155.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6729474" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Genes ; Mice ; Receptors, Antigen, T-Cell/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 97
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    Tumor-prone mice--and myc (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-11-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1984 Nov 16;226(4676):823.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6494912" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Mice ; Mice, Mutant Strains/*genetics ; Neoplasms, Experimental/*genetics ; *Oncogenes ; Pregnancy
    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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  • 98
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    More progress on the T cell receptor (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-05-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1984 May 25;224(4651):859-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6426056" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Chromosome Mapping ; Cloning, Molecular ; Dna ; *Genes, MHC Class II ; Humans ; Mice ; Receptors, Antigen, T-Cell/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 99
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    Tracking the lost I-J suppressor region (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-02-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1984 Feb 10;223(4636):573-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6229878" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Surface/*genetics ; *Genes ; *Major Histocompatibility Complex ; Mice ; T-Lymphocytes, Regulatory/*immunology
    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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  • 100
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    Inability of mouse blastomere nuclei transferred to enucleated zygotes to support development in vitro (1984)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1984-12-14
    Description: More than 90 percent of enucleated one-cell mouse embryos receiving pronuclei from other one-cell embryos successfully develop to the blastocyst stage in vitro. In this investigation, nuclei from successive preimplantation cleavage stages were introduced into enucleated one-cell embryos and the embryos were tested for development in vitro. Although two-cell nuclei supported development to the morula or blastocyst stage, four-cell, eight-cell, and inner cell mass cell nuclei did not. The inability of cell nuclei from these stages to support development reflects rapid loss of totipotency of the transferred nucleus and is not the result of simultaneous transfer of membrane or cytoplasm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McGrath, J -- Solter, D -- CA-10815/CA/NCI NIH HHS/ -- CA-25875/CA/NCI NIH HHS/ -- HD-12487/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1984 Dec 14;226(4680):1317-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6542249" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastomeres/*physiology ; Cell Nucleus/*physiology ; Cytoplasm/physiology ; Embryo, Mammalian/*physiology ; Female ; In Vitro Techniques ; Mice ; Nuclear Transfer Techniques ; Zygote/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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