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  • Nucleic Acid Hybridization  (39)
  • American Association for the Advancement of Science (AAAS)  (39)
  • 2020-2024
  • 1985-1989  (39)
  • 1950-1954
  • 1988  (39)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (39)
Years
  • 2020-2024
  • 1985-1989  (39)
  • 1950-1954
Year
  • 1
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    Amyloid protein precursor messenger RNAs: differential expression in Alzheimer's disease (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-26
    Description: In situ hybridization was used to assess total amyloid protein precursor (APP) messenger RNA and the subset of APP mRNA containing the Kunitz protease inhibitor (KPI) insert in 11 Alzheimer's disease (AD) and 7 control brains. In AD, a significant twofold increase was observed in total APP mRNA in nucleus basalis and locus ceruleus neurons but not in hippocampal subicular neurons, neurons of the basis pontis, or occipital cortical neurons. The increase in total APP mRNA in locus ceruleus and nucleus basalis neurons was due exclusively to an increase in APP mRNA lacking the KPI domain. These findings suggest that increased production of APP lacking the KPI domain in nucleus basalis and locus ceruleus neurons may play an important role in the deposition of cerebral amyloid that occurs in AD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palmert, M R -- Golde, T E -- Cohen, M L -- Kovacs, D M -- Tanzi, R E -- Gusella, J F -- Usiak, M F -- Younkin, L H -- Younkin, S G -- 5T32GM07250/GM/NIGMS NIH HHS/ -- AG06656/AG/NIA NIH HHS/ -- MH43444/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 26;241(4869):1080-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuropathology, Case Western Reserve University, School of Medicine, Cleveland, OH 44106.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2457949" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*genetics ; Amyloid/*genetics ; Bacteriophage lambda/genetics ; Brain/metabolism ; Cerebral Cortex/metabolism ; *Gene Expression Regulation ; Humans ; Locus Coeruleus/metabolism ; Neurons/metabolism ; Nucleic Acid Hybridization ; Operator Regions, Genetic ; Plasmids ; Protein Precursors/*genetics ; RNA/genetics ; RNA, Complementary ; RNA, Messenger/*genetics/metabolism ; Repressor Proteins/metabolism ; Transcription, Genetic ; Trypsin Inhibitors/genetics
    Print ISSN: 0036-8075
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  • 2
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    DNA amplification for direct detection of HIV-1 in DNA of peripheral blood mononuclear cells (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-01-15
    Description: By means of a selective DNA amplification technique called polymerase chain reaction, proviral sequences of the human immunodeficiency virus (HIV-1) were identified directly in DNA isolated from peripheral blood mononuclear cells (PBMCs) of persons seropositive but not in DNA isolated from PBMCs of persons seronegative for the virus. Primer pairs from multiple regions of the HIV-1 genome were used to achieve maximum sensitivity of provirus detection. HIV-1 sequences were detected in 100% of DNA specimens from seropositive, homosexual men from whom the virus was isolated by coculture, but in none of the DNA specimens from a control group of seronegative, virus culture-negative persons. However, HIV-1 sequences were detected in 64% of DNA specimens from seropositive, virus culture-negative homosexual men. This method of DNA amplification made it possible to obtain results within 3 days, whereas virus isolation takes up to 3 to 4 weeks. The method may therefore be used to complement or replace virus isolation as a routine means of determining HIV-1 infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ou, C Y -- Kwok, S -- Mitchell, S W -- Mack, D H -- Sninsky, J J -- Krebs, J W -- Feorino, P -- Warfield, D -- Schochetman, G -- New York, N.Y. -- Science. 1988 Jan 15;239(4837):295-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Infectious Diseases, Centers for Disease Control, Atlanta, GA 30333.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3336784" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*microbiology ; Base Sequence ; DNA, Viral/*blood ; DNA-Directed DNA Polymerase ; *Gene Amplification ; HIV/*genetics/isolation & purification ; HIV Seropositivity ; Homosexuality ; Humans ; Leukocytes, Mononuclear/*analysis ; Male ; Nucleic Acid Amplification Techniques ; Nucleic Acid Hybridization ; Virus Cultivation
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  • 3
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    A newly characterized HLA DQ beta allele associated with pemphigus vulgaris (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-02-26
    Description: The inheritance of particular alleles of major histocompatibility complex class II genes increases the risk for various human autoimmune diseases; however, only a small percentage of individuals having an allele associated with susceptibility develop disease. The identification of allelic variants more precisely correlated with disease susceptibility would greatly facilitate clinical screening and diagnosis. Oligonucleotide-primed gene amplification in vitro was used to determine the nucleotide sequence of a class II variant found almost exclusively in patients with the autoimmune skin disease pemphigus vulgaris. In addition to clinical implications, the disease-restricted distribution of this variant should provide insight into the molecular mechanisms underlying associations between diseases and HLA-class II genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sinha, A A -- Brautbar, C -- Szafer, F -- Friedmann, A -- Tzfoni, E -- Todd, J A -- Steinman, L -- McDevitt, H O -- New York, N.Y. -- Science. 1988 Feb 26;239(4843):1026-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Microbiology, Stanford University, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2894075" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Autoimmune Diseases/*genetics/immunology ; Base Sequence ; DNA/genetics ; Gene Amplification ; Genetic Variation ; HLA-D Antigens/*genetics ; HLA-DQ Antigens/*genetics/immunology ; HLA-DR Antigens/immunology ; Humans ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Pemphigus/*genetics/immunology ; Polymorphism, Restriction Fragment Length
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  • 4
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    Astrocytes synthesize angiotensinogen in brain (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-12-09
    Description: Cell types associated with angiotensinogen mRNA in rat brain were identified in individual brain sections by in situ hybridization with tritiated RNA probes or with a sulfur-35--labeled oligonucleotide combined with immunocytochemical detection of either glial fibrillary acidic protein (GFAP) for astrocytes or microtubule-associated protein (MAP-2) for neurons. Autoradiography revealed silver grains clustered primarily over GFAP-reactive soma and processes; most grain clusters were not associated with MAP-2--reactive cells. These results demonstrate that, in contrast to other known neuropeptide precursors, angiotensinogen is synthesized by glia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stornetta, R L -- Hawelu-Johnson, C L -- Guyenet, P G -- Lynch, K R -- R01 HL33513/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1988 Dec 9;242(4884):1444-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of Virginia School of Medicine, Charlottesville 22908.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3201232" target="_blank"〉PubMed〈/a〉
    Keywords: Angiotensinogen/*biosynthesis/genetics ; Animals ; Astrocytes/*metabolism ; Brain/*metabolism ; Glial Fibrillary Acidic Protein/analysis ; Histocytochemistry ; Microtubule-Associated Proteins/analysis ; Nucleic Acid Hybridization ; RNA, Messenger/analysis/genetics ; Rats
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  • 5
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    Antisense RNA directed against the 3' noncoding region prevents dormant mRNA activation in mouse oocytes (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-05
    Description: Primary mouse oocytes contain untranslated stable messenger RNA for tissue plasminogen activator (t-PA). During meiotic maturation, this maternal mRNA undergoes a 3'-polyadenylation, is translated, and is degraded. Injections of maturing oocytes with different antisense RNA's complementary to both coding and noncoding portions of t-PA mRNA all selectively blocked t-PA synthesis. RNA blot analysis of t-PA mRNA in injected, matured oocytes suggested a cleavage of the RNA.RNA hybrid region, yielding a stable 5' portion, and an unstable 3' portion. In primary oocytes, the 3' noncoding region was susceptible to cleavage, while the other portions of the mRNA were blocked from hybrid formation until maturation occurred. Injection of antisense RNA complementary to 103 nucleotides of its extreme 3' untranslated region was sufficient to prevent the polyadenylation, translational activation, and destabilization of t-PA mRNA. These results demonstrate a critical role for the 3' noncoding region of a dormant mRNA in its translational recruitment during meiotic maturation of mouse oocytes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Strickland, S -- Huarte, J -- Belin, D -- Vassalli, A -- Rickles, R J -- Vassalli, J D -- HD-17875/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 5;241(4866):680-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Histology and Embryology, University of Geneva Medical School, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2456615" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Mice ; Nucleic Acid Hybridization ; Oocytes/*metabolism ; Poly A/metabolism ; Protein Biosynthesis/drug effects ; RNA/*pharmacology ; RNA, Antisense ; RNA, Messenger/*antagonists & inhibitors/metabolism ; Tissue Plasminogen Activator/*genetics
    Print ISSN: 0036-8075
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  • 6
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    Ordered interstrand and intrastrand DNA transfer during reverse transcription (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-26
    Description: Retroviruses contain two copies of the plus stranded viral RNA genome. As a means of determining whether both of these RNA's are used in the reverse transcription reaction, cells were infected with heterozygous virus particles that varied in nucleotide sequence at two separate locations at the RNA termini. The DNA proviruses formed from a single cycle of reverse transcription were then examined. Of the 12 proviruses that were characterized, all exhibited long terminal repeats (LTR's) that would be expected to arise only if both RNA templates were used for the generation of minus strand DNA. In contrast, only a single minus strand DNA appeared to be used as template for the plus strand DNA in the generation of fully double-stranded viral DNA. These results indicate that the first strand transfer step in reverse transcription is an intermolecular event while that of the second transfer is intramolecular. Thus, retroviruses contain two functionally active RNA's, and both may be required for the generation of a single linear DNA molecule. Formation of heterozygotes during retrovirus infection would be expected to result in the efficient generation of LTR recombinants.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Panganiban, A T -- Fiore, D -- New York, N.Y. -- Science. 1988 Aug 26;241(4869):1064-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉McArdle Laboratory for Cancer Research, University of Wisconsin, Madison 53706.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2457948" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; DNA Restriction Enzymes ; DNA, Viral/*genetics/metabolism ; Deoxyribonuclease HindIII ; Genes, Viral ; Nucleic Acid Hybridization ; Polymorphism, Restriction Fragment Length ; RNA, Viral/*genetics/metabolism ; RNA-Directed DNA Polymerase/*metabolism ; Repetitive Sequences, Nucleic Acid ; Retroviridae/*genetics ; Templates, Genetic ; *Transcription, Genetic ; Transfection ; Virion/genetics ; Virus Replication
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  • 7
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    Structural rearrangement of the retinoblastoma gene in human breast carcinoma (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-10-14
    Description: Structural changes of the human retinoblastoma gene have been demonstrated previously in retinoblastoma and some clinically related tumors including osteosarcoma. Structural aberrations of the retinoblastoma locus (RB1) were observed in 25% of breast tumor cell lines studied and 7% of the primary tumors. These changes include homozygous internal deletions and total deletion of RB1; a duplication of an exon was observed in one of the cell lines. In all cases, structural changes either resulted in the absence or truncation of the RB1 transcript. No obvious defect in RB1 was detected by DNA blot analysis in primary tumors or cell lines from Wilms' tumor, cervical carcinoma, or hepatoma. These results further support the concept that the human RB1 gene has pleiotropic effects on specific types of cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉T'Ang, A -- Varley, J M -- Chakraborty, S -- Murphree, A L -- Fung, Y K -- CA44754/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Oct 14;242(4876):263-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology/Oncology, Childrens Hospital of Los Angeles, CA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3175651" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/*genetics ; Chromosome Aberrations ; Chromosomes, Human, Pair 13 ; DNA/genetics ; DNA Probes ; Exons ; Eye Neoplasms/*genetics ; Female ; *Gene Rearrangement ; Homozygote ; Humans ; Lymphatic Metastasis ; Menopause ; Mutation ; Nucleic Acid Hybridization ; Retinoblastoma/*genetics ; Risk Factors ; Tumor Cells, Cultured
    Print ISSN: 0036-8075
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  • 8
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    In situ transcription: specific synthesis of complementary DNA in fixed tissue sections (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-06-17
    Description: A technique, in situ transcription, is described, in which reverse transcription of mRNAs is achieved within fixed tissue sections. An oligonucleotide complementary to proopiomelanocortin (POMC) mRNA was used as a primer for the specific synthesis of radiolabeled POMC cDNA in fixed sections of rat pituitary, thus permitting the rapid anatomical localization of POMC mRNA by autoradiography. Intermediate lobe signal intensities were sensitive to dopaminergic drugs, demonstrating that the method can be used for studies of mRNA regulation. The transcripts may also be eluted from tissue sections for a variety of uses, including the identification and cloning of autoradiographically localized cDNAs from small amounts of tissue.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tecott, L H -- Barchas, J D -- Eberwine, J H -- DA-05010/DA/NIDA NIH HHS/ -- MH-23861/MH/NIMH NIH HHS/ -- MH09099/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1988 Jun 17;240(4859):1661-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Nancy Pritzker Laboratory of Behavioral Neurochemistry, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2454508" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cloning, Molecular ; DNA/*biosynthesis ; Deoxycytidine/metabolism ; Electrophoresis, Polyacrylamide Gel ; Nucleic Acid Denaturation ; Nucleic Acid Hybridization ; Oligonucleotides/genetics ; Pituitary Gland/*metabolism ; Pro-Opiomelanocortin/*genetics ; RNA, Messenger/*metabolism ; RNA-Directed DNA Polymerase/metabolism ; Rats ; *Transcription, Genetic
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  • 9
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    Molecular cloning of two types of GAP complementary DNA from human placenta (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-12-23
    Description: The ras p21 GTPase-activating protein (GAP) was purified from human placental tissue. Internal amino acid sequence was obtained from this 120,000-dalton protein and, by means of this sequence, two types of complementary DNA clones were isolated and characterized. One type encoded GAP with a predicted molecular mass of 116,000 daltons and 96% identity with bovine GAP. The messenger RNA of this GAP was detected in human lung, brain, liver, leukocytes, and placenta. The second type appeared to be generated by a differential splicing mechanism and encoded a novel form of GAP with a predicted molecular mass of 100,400 daltons. This protein lacks the hydrophobic amino terminus characteristic of the larger species, but retains GAP activity. The messenger RNA of this type was abundantly expressed in placenta and in several human cell lines, but not in adult tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trahey, M -- Wong, G -- Halenbeck, R -- Rubinfeld, B -- Martin, G A -- Ladner, M -- Long, C M -- Crosier, W J -- Watt, K -- Koths, K -- New York, N.Y. -- Science. 1988 Dec 23;242(4886):1697-700.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Cetus Corp., Emeryville, CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3201259" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Brain Chemistry ; *Cloning, Molecular ; DNA/*genetics/isolation & purification ; Female ; GTPase-Activating Proteins ; Gene Expression Regulation ; Humans ; Leukocytes/analysis ; Liver/analysis ; Lung/analysis ; Molecular Sequence Data ; Molecular Weight ; Nucleic Acid Hybridization ; Oligonucleotide Probes ; Placenta/*analysis ; Pregnancy ; Proteins/*genetics/isolation & purification ; RNA, Messenger/analysis/genetics ; Sequence Homology, Nucleic Acid ; ras GTPase-Activating Proteins
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  • 10
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    Tandem array of human visual pigment genes at Xq28 (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-06-17
    Description: Unequal crossing-over within a head-to-tail tandem array of the homologous red and green visual pigment genes has been proposed to explain the observed variation in green-pigment gene number among individuals and the prevalence of red-green fusion genes among color-blind subjects. This model was tested by probing the structure of the red and green pigment loci with long-range physical mapping techniques. The loci were found to constitute a gene array with an approximately 39-kilobase repeat length. The position of the red pigment gene at the 5' edge of the array explains its lack of variation in copy number. Restriction maps of the array in four individuals who differ in gene number are consistent with a head-to-tail configuration of the genes. These results provide physical evidence in support of the model and help to explain the high incidence of color blindness in the human population.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vollrath, D -- Nathans, J -- Davis, R W -- GM21891/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Jun 17;240(4859):1669-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2837827" target="_blank"〉PubMed〈/a〉
    Keywords: Color Vision Defects/*genetics ; Crossing Over, Genetic ; DNA/genetics ; DNA Restriction Enzymes ; Electrophoresis, Agar Gel ; Exons ; Female ; Genetic Variation ; Humans ; Male ; Nucleic Acid Hybridization ; Recombination, Genetic ; Repetitive Sequences, Nucleic Acid ; Retinal Pigments/*genetics ; *X Chromosome
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  • 11
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    Translocation and rearrangement of myeloperoxidase gene in acute promyelocytic leukemia (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-05-06
    Description: Acute promyelocytic leukemia (subtype M3) is characterized by malignant promyelocytes exhibiting an abundance of abnormally large or aberrant primary granules. Myeloperoxidase (MPO) activity of these azurophilic granules, as assessed by cytochemical staining, is unusually intense. In addition, M3 is universally associated with a chromosomal translocation, t(15;17)(q22;q11.2). In this report, the MPO gene was localized to human chromosome 17 (q12-q21), the region of the breakpoint on chromosome 17 in the t(15;17), by somatic cell hybrid analysis and in situ chromosomal hybridization. By means of MPO complementary DNA clones for in situ hybridization and Southern blot analysis, the effect of this specific translocation on the MPO gene was examined. In all cases of M3 examined, MPO is translocated to chromosome 15. Genomic blot analyses indicate rearrangement of MPO in leukemia cells of two of four cases examined. These findings suggest that MPO may be pivotal in the pathogenesis of acute promyelocytic leukemia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weil, S C -- Rosner, G L -- Reid, M S -- Chisholm, R L -- Lemons, R S -- Swanson, M S -- Carrino, J J -- Diaz, M O -- Le Beau, M M -- 1R01 CA44475/CA/NCI NIH HHS/ -- CA09273/CA/NCI NIH HHS/ -- CA16910/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 May 6;240(4853):790-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Northwestern University Medical Center, Chicago, IL 60611.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2896388" target="_blank"〉PubMed〈/a〉
    Keywords: Bone Marrow/analysis ; Chromosome Mapping ; Chromosomes, Human, Pair 15 ; Chromosomes, Human, Pair 17 ; DNA/genetics ; DNA Restriction Enzymes ; DNA, Recombinant ; Humans ; Leukemia, Myeloid, Acute/*enzymology/genetics ; Nucleic Acid Hybridization ; Peroxidase/*genetics ; Plasmids ; Polymorphism, Restriction Fragment Length ; *Translocation, Genetic
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  • 12
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    Duchenne muscular dystrophy gene expression in normal and diseased human muscle (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-03-18
    Description: A probe for the 5' end of the Duchenne muscular dystrophy (DMD) gene was used to study expression of the gene in normal human muscle, myogenic cell cultures, and muscle from patients with DMD. Expression was found in RNA from normal fetal muscle, adult cardiac and skeletal muscle, and cultured muscle after myoblast fusion. In DMD muscle, expression of this portion of the gene was also revealed by in situ RNA hybridization, particularly in regenerating muscle fibers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scott, M O -- Sylvester, J E -- Heiman-Patterson, T -- Shi, Y J -- Fieles, W -- Stedman, H -- Burghes, A -- Ray, P -- Worton, R -- Fischbeck, K H -- GM32592/GM/NIGMS NIH HHS/ -- NS08075/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1988 Mar 18;239(4846):1418-20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Neurology Department, Hospital of the University of Pennsylvania, Philadelphia, 19104.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2450401" target="_blank"〉PubMed〈/a〉
    Keywords: Cells, Cultured ; DNA/genetics ; DNA, Recombinant ; *Gene Expression Regulation ; Humans ; Muscles/embryology/*metabolism ; Muscular Dystrophies/*genetics ; Myocardium/metabolism ; Nucleic Acid Hybridization ; RNA/metabolism ; RNA, Messenger/metabolism ; Regeneration ; Transcription, Genetic
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  • 13
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    Insulin-resistant diabetes due to a point mutation that prevents insulin proreceptor processing (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-05-06
    Description: A point mutation in the human insulin receptor gene in a patient with type A insulin resistance alters the amino acid sequence within the tetrabasic processing site of the proreceptor molecule from Arg-Lys-Arg-Arg to Arg-Lys-Arg-Ser. Epstein-Barr virus-transformed lymphocytes from this patient synthesize an insulin receptor precursor that is normally glycosylated and inserted into the plasma membrane but is not cleaved to mature alpha and beta subunits. Insulin binding to these cells is severely reduced but can be increased about fivefold by gentle treatment with trypsin, accompanied by the appearance of normal alpha subunits. These results indicate that proteolysis of the proreceptor is necessary for its normal full insulin-binding sensitivity and signal-transducing activity and that a cellular protease that is more stringent in its specificity than trypsin is required to process the receptor precursor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoshimasa, Y -- Seino, S -- Whittaker, J -- Kakehi, T -- Kosaki, A -- Kuzuya, H -- Imura, H -- Bell, G I -- Steiner, D F -- AM 13914/AM/NIADDK NIH HHS/ -- AM 20595/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1988 May 6;240(4853):784-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Biology, University of Chicago, IL 60637.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3283938" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amino Acid Sequence ; Cell Membrane/metabolism ; Cells, Cultured ; DNA/genetics ; Diabetes Mellitus/*genetics/metabolism ; Female ; Glycosylation ; Humans ; Insulin/metabolism ; Insulin Resistance/*genetics ; Lymphocytes/metabolism ; Molecular Sequence Data ; Mutation ; Nucleic Acid Hybridization ; Protein Precursors/*genetics/metabolism ; RNA, Messenger/metabolism ; Receptor, Insulin/*genetics/metabolism ; Trypsin/metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Platelet-derived growth factor A chain is maternally encoded in Xenopus embryos (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-09-02
    Description: Transcription of zygotic genes does not occur in early Xenopus embryos until the mid-blastula transition, 6 to 7 hours after fertilization. Before this time, development is directed by maternal proteins and messenger RNAs stored within the egg. Two different forms of the A chain of platelet-derived growth factor (PDGF) are shown here to be encoded by maternal messenger RNAs. The two forms closely resemble human PDGF; however, the long form contains a hydrophobic region near the carboxyl terminus. The presence of PDGF messenger RNA in the embryo supports the idea that endogenous growth factors act at the earliest stages of embryogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mercola, M -- Melton, D A -- Stiles, C D -- New York, N.Y. -- Science. 1988 Sep 2;241(4870):1223-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3413486" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blastocyst/metabolism ; DNA/genetics/isolation & purification ; Gastrula/analysis ; Humans ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Oocytes/analysis ; Platelet-Derived Growth Factor/*genetics ; RNA, Messenger/analysis/genetics ; Xenopus laevis/*embryology/genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Primer-directed enzymatic amplification of DNA with a thermostable DNA polymerase (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-01-29
    Description: A thermostable DNA polymerase was used in an in vitro DNA amplification procedure, the polymerase chain reaction. The enzyme, isolated from Thermus aquaticus, greatly simplifies the procedure and, by enabling the amplification reaction to be performed at higher temperatures, significantly improves the specificity, yield, sensitivity, and length of products that can be amplified. Single-copy genomic sequences were amplified by a factor of more than 10 million with very high specificity, and DNA segments up to 2000 base pairs were readily amplified. In addition, the method was used to amplify and detect a target DNA molecule present only once in a sample of 10(5) cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saiki, R K -- Gelfand, D H -- Stoffel, S -- Scharf, S J -- Higuchi, R -- Horn, G T -- Mullis, K B -- Erlich, H A -- New York, N.Y. -- Science. 1988 Jan 29;239(4839):487-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cetus Corporation, Department of Human Genetics, Emeryville, CA 94608.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2448875" target="_blank"〉PubMed〈/a〉
    Keywords: Cloning, Molecular ; DNA/*genetics ; DNA, Recombinant ; DNA-Directed DNA Polymerase/*metabolism ; Electrophoresis, Agar Gel ; Globins/genetics ; *Hot Temperature ; Humans ; *Nucleic Acid Amplification Techniques ; Nucleic Acid Denaturation ; Nucleic Acid Hybridization ; RNA/genetics ; Thermus/enzymology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Infection of the SCID-hu mouse by HIV-1 (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-12-23
    Description: SCID-hu mice with human fetal thymic or lymph node implants were inoculated with the cloned human immunodeficiency virus-1 isolate, HIV-1JR-CSF. In a time- and dose-dependent fashion, viral replication spread within the human lymphoid organs. Combination immunohistochemistry and in situ hybridization revealed only viral RNA transcripts in most infected cells, but some cells had both detectable viral transcripts and viral protein. Infected cells were always more apparent in the medulla than in the cortex of the thymus. These studies demonstrate that an acute infection of human lymphoid organs with HIV-1 can be followed in the SCID-hu mouse.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Namikawa, R -- Kaneshima, H -- Lieberman, M -- Weissman, I L -- McCune, J M -- AR5P40RR03624-029/AR/NIAMS NIH HHS/ -- CA03352/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Dec 23;242(4886):1684-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Stanford University School of Medicine, CA 94305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3201256" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; Animals ; Chimera ; *Disease Models, Animal ; HIV/genetics/*physiology ; Humans ; Immunohistochemistry ; Lymph Nodes/microbiology/transplantation ; Mice ; Mice, Mutant Strains ; Nucleic Acid Hybridization ; RNA, Viral/genetics ; Thymus Gland/microbiology/transplantation ; Transcription, Genetic ; Viral Proteins/biosynthesis ; Virus Replication
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Unusual immunoglobulin gene rearrangement leads to replacement of recombinational signal sequences (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-10-14
    Description: An unexpected immunoglobulin gene rearrangement, signal sequence replacement, was observed in which the recombinational signal sequences of a VH gene segment are fused intact to the 5' end of a DJH element. Nucleotides are not lost from the signal sequences, but they may be lost from the DJH coding sequence. Signal sequence replacement may result from the alternative resolution of an intermediate in VH-to-DJH recombination. This type of rearrangement provides a means to alter the targeting of immunoglobulin gene segments and suggests a mechanism for the occurrence of VH-JH junctions in vivo. Signal sequence replacement may represent an additional pathway for the generation of antibody diversity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Morzycka-Wroblewska, E -- Lee, F E -- Desiderio, S V -- New York, N.Y. -- Science. 1988 Oct 14;242(4876):261-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute Laboratory of Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3140378" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Line ; DNA, Recombinant ; *Gene Rearrangement ; *Genes, Immunoglobulin ; Immunoglobulin Heavy Chains/genetics ; Immunoglobulin Variable Region/genetics ; Mice ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Protein Sorting Signals/*genetics ; Recombination, Genetic ; Retroviridae/genetics
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  • 18
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    Multiple principal sigma factor homologs in eubacteria: identification of the "rpoD box" (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-11-18
    Description: Genes for the principal sigma factor (rpoD genes) of various eubacteria were identified with a synthetic oligonucleotide probe corresponding to a conserved sequence in rpoD gene products of Escherichia coli and Bacillus subtilis. Multiple rpoD homologs were found in the strains of Micrococcus, Pseudomonas, and Streptomyces, whereas single genes were detected in E. coli, B. subtilis, and Staphylococcus aureus. The four rpoD homologs of Streptomyces coelicolor A3(2) were cloned and sequenced. A homologous portion with 13 amino acids was found in the rpoD genes of S. coelicolor A3(2), E. coli, and B. subtilis and was named the "rpoD box."〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tanaka, K -- Shiina, T -- Takahashi, H -- New York, N.Y. -- Science. 1988 Nov 18;242(4881):1040-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Applied Microbiology, University of Tokyo, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3194753" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Bacteria/*genetics ; DNA Probes ; DNA, Bacterial/genetics ; DNA-Binding Proteins/*genetics ; *Genes, Bacterial ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Sequence Homology, Nucleic Acid ; Sigma Factor/*genetics ; Transcription Factors/*genetics
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  • 19
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    Wound macrophages express TGF-alpha and other growth factors in vivo: analysis by mRNA phenotyping (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-05
    Description: The presence of macrophages is required for the regeneration of many cell types during wound healing. Macrophages have been reported to express a wide range of mitogenic factors and cytokines, but none of these factors has been shown in vivo to sustain all the wound-healing processes. It has been suggested that transforming growth factor-alpha (TGF-alpha) may mediate angiogenesis, epidermal regrowth, and formation of granulation tissue in vivo. Macrophages isolated from a wound site, and not exposed to cell culture conditions, expressed messenger RNA transcripts for TGF-alpha, TGF-beta, platelet-derived growth factor A-chain, and insulin-like growth factor-1. The expression of these transcripts was determined by a novel method for RNA analysis in which low numbers of mouse macrophages were isolated from wound cylinders, their RNA was purified and reverse-transcribed, and the complementary DNA was amplified in a polymerase chain reaction primed with growth factor sequence-specific primers. This single-cell RNA phenotyping procedure is rapid and has the potential for quantification, and mRNA transcripts from a single cell or a few cells can be unambiguously demonstrated, with the simultaneous analysis of several mRNA species. Macrophages from wounds expressed TGF-alpha antigen, and wound fluids contained TGF-alpha. Elicited macrophages in culture also expressed TGF-alpha transcripts and polypeptide in a time-dependent manner after stimulation with modified low-density lipoproteins and lipopolysaccharide endotoxin, which are characteristic of the activators found in injured tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rappolee, D A -- Mark, D -- Banda, M J -- Werb, Z -- AR 32746/AR/NIAMS NIH HHS/ -- GM 27345/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Aug 5;241(4866):708-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Radiobiology and Environmental Health, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3041594" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; DNA/genetics ; Enzyme-Linked Immunosorbent Assay ; Epidermal Growth Factor/biosynthesis/genetics ; Fibroblast Growth Factors/biosynthesis/genetics ; Fibroblasts/metabolism ; Fluorescent Antibody Technique ; Growth Substances/*biosynthesis/genetics ; Insulin-Like Growth Factor I/biosynthesis/genetics ; Macrophages/*metabolism ; Male ; Mice ; Nucleic Acid Hybridization ; *Peptide Biosynthesis ; Peptides/genetics ; Platelet-Derived Growth Factor/biosynthesis/genetics ; Protein Biosynthesis ; RNA, Messenger/*biosynthesis ; Rabbits ; Transcription, Genetic ; Transforming Growth Factors ; *Wound Healing ; Wounds and Injuries/*pathology
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  • 20
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    Coding of two sphingolipid activator proteins (SAP-1 and SAP-2) by same genetic locus (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-26
    Description: Several complementary DNAs (cDNAs) coding for sphingolipid activator protein-2 (SAP-2) were isolated from a lambda gt-11 human hepatoma library by means of polyclonal antibodies. The nucleotide sequence of the largest cDNA was colinear with the derived amino acid sequence of SAP-2 and with the nucleotide sequence of the cDNA coding for the 70-kilodalton precursor of SAP-1 (SAP precursor cDNA). The coding sequence for mature SAP-2 was located 3' to that coding for SAP-1 in the SAP precursor cDNA. Both SAP-1 and SAP-2 appeared to be derived by proteolytic processing from a common precursor that is coded by a genetic locus on human chromosome 10. Two other domains similar to SAP-1 and SAP-2 were also identified in SAP precursor protein. Each of the four domains was approximately 80 amino acid residues long, had nearly identical placement of cysteine residues, potential glycosylation sites, and proline residues. Each domain also contained internal amino acid sequences capable of forming amphipathic helices separated by helix breakers to give a cylindrical hydrophobic domain that is probably stabilized by disulfide bridges. Protein immunoblotting experiments indicated that SAP precursor protein (70 kilodaltons) as well as immunoreactive SAP-like proteins of intermediate sizes (65, 50, and 31 kilodaltons) are present in most human tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Brien, J S -- Kretz, K A -- Dewji, N -- Wenger, D A -- Esch, F -- Fluharty, A L -- DK 38795/DK/NIDDK NIH HHS/ -- HD 18983/HD/NICHD NIH HHS/ -- NS 08682/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1988 Aug 26;241(4869):1098-101.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurosciences, University of California, San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2842863" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carcinoma, Hepatocellular/analysis ; Chromosome Mapping ; Chromosomes, Human, Pair 10 ; DNA/genetics/isolation & purification ; Glycoproteins/analysis/*genetics ; Humans ; Liver Neoplasms/analysis ; Male ; Mice ; Mice, Nude ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Protein Conformation ; Protein Precursors/analysis/genetics ; Protein Processing, Post-Translational ; Rats ; Saposins ; Sphingolipid Activator Proteins ; Tissue Distribution
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  • 21
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    Molecular cloning of the zeta chain of the T cell antigen receptor (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-02-26
    Description: The T cell antigen receptor is a multi-subunit receptor complex present on the surface of all mature and many developing T cells. It consists of clonotypic heterodimers noncovalently linked to five invariant chains that are encoded by four genes and referred to as the CD3 complex. The CD3 gamma, delta, and epsilon chains have been molecularly characterized. In this report the molecular cloning of a complementary DNA encoding the zeta chain of the murine T cell antigen receptor is described. The predicted protein sequence of the zeta chain suggests a structure distinct from those of any of the previously described receptor subunits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weissman, A M -- Baniyash, M -- Hou, D -- Samelson, L E -- Burgess, W H -- Klausner, R D -- New York, N.Y. -- Science. 1988 Feb 26;239(4843):1018-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cell Biology and Metabolism Branch, National Institute of Child Health and Human Development, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3278377" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Membrane/metabolism ; Chromatography, High Pressure Liquid ; *Cloning, Molecular ; Cyanogen Bromide ; DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; Immunosorbent Techniques ; Macromolecular Substances ; *Membrane Proteins ; Mice ; Molecular Sequence Data ; Molecular Weight ; Nucleic Acid Hybridization ; Peptide Fragments ; Protein Biosynthesis ; RNA, Messenger/genetics ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/analysis ; Transcription, Genetic ; Tumor Cells, Cultured
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 22
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    Dynamic changes in inhibin messenger RNAs in rat ovarian follicles during the reproductive cycle (1988)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1988-03-11
    Description: The alterations in morphology and function of the ovarian follicle as it matures, ovulates, and becomes a corpus luteum are dramatic. A variety of steroid and polypeptide hormones influence these processes, and the ovary in turn produces specific hormonal signals for endocrine regulation. One such signal is inhibin, a heterodimeric protein that suppresses the secretion of follicle-stimulating hormone from pituitary gonadotrophs. Rat inhibin complementary DNA probes have been used to examine the levels and distribution of inhibin alpha-and beta A-subunit messenger RNAs in the ovaries of cycling animals. Striking, dynamic changes have been found in inhibin messenger RNA accumulation during the developmental maturation of the ovarian follicle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woodruff, T K -- D'Agostino, J -- Schwartz, N B -- Mayo, K E -- HD07504/HD/NICHD NIH HHS/ -- HD21921/HD/NICHD NIH HHS/ -- P01 HD021921/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1988 Mar 11;239(4845):1296-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Molecular Biology and Cell Biology, Northwestern University, Evanston, IL 60208.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3125611" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Estrus ; Female ; Follicle Stimulating Hormone/blood ; Inhibins/*genetics ; Luteinizing Hormone/blood ; Macromolecular Substances ; Nucleic Acid Hybridization ; Ovarian Follicle/*physiology ; Ovary/physiology ; RNA, Messenger/*genetics/metabolism ; Rats
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  • 23
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    Gene encoding the beta subunit of S100 protein is on chromosome 21: implications for Down syndrome (1988)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1988-03-11
    Description: S100 protein is a calcium-binding protein found predominantly in the vertebrate nervous system. Genomic and complementary DNA probes were used in conjunction with a panel of rodent-human somatic cell hybrids to assign the gene for the beta subunit of S100 protein to the distal half of the long arm of human chromosome 21. This gene was identified as a candidate sequence which, when expressed in the trisomic state, may underlie the neurologic disturbances in Down syndrome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allore, R -- O'Hanlon, D -- Price, R -- Neilson, K -- Willard, H F -- Cox, D R -- Marks, A -- Dunn, R J -- 140-17001/PHS HHS/ -- New York, N.Y. -- Science. 1988 Mar 11;239(4845):1311-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Genetics, University of Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2964086" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; *Chromosomes, Human, Pair 21 ; Cloning, Molecular ; Down Syndrome/*genetics ; Humans ; Macromolecular Substances ; Nucleic Acid Hybridization ; S100 Proteins/*genetics
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  • 24
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    Cone cell-specific genes expressed in retinoblastoma (1988)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1988-04-01
    Description: Retinoblastoma, an intraocular tumor that occurs in children, has long been regarded, on the basis of morphological criteria, as a malignancy of the photoreceptor cell lineage. Here it is shown that when this tumor is grown in vitro, the cells express highly specialized photoreceptor cell genes. Transcripts for the transducin alpha subunit, TC alpha, which is specific to the cone cell, as well as transcripts for the red or green cone cell photopigment, were found in seven out of seven low-passage retinoblastoma cell lines. No marker genes specific to rod cell were expressed, suggesting that retinoblastoma has a cone cell lineage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bogenmann, E -- Lochrie, M A -- Simon, M I -- EY04950/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1988 Apr 1;240(4848):76-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematology Oncology, Childrens Hospital of Los Angeles, CA 90027.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2451289" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/genetics ; Gene Expression Regulation ; Humans ; Membrane Proteins/*genetics ; Nucleic Acid Hybridization ; Photoreceptor Cells/*metabolism ; RNA/genetics ; Retinoblastoma/*genetics ; Transcription, Genetic ; Transducin ; Tumor Cells, Cultured
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  • 25
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    A general method for the chromosomal amplification of genes in yeast (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-01-15
    Description: The yeast retrotransposon Ty can be used to insert multiple copies of a gene at new sites in the genome. The gene of interest is inserted into a GALI-Ty fusion construct; the entire "amplification cassette" is then introduced into yeast on a high copy number plasmid vector. Transposition of the Ty element carrying the gene occurs at multiple sites in the genome. Two genes, a bacterial neomycin phosphotransferase gene and the yeast TRPl gene, were amplified in this way. Although the amplified genes were about 1 kilobase in length, they were amplified to about the same extent as a 40-base pair segment. The benefit of this "shotgun" approach is that amplification can be achieved in one set of manipulations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boeke, J D -- Xu, H -- Fink, G R -- GM35010/GM/NIGMS NIH HHS/ -- GM36481/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Jan 15;239(4837):280-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2827308" target="_blank"〉PubMed〈/a〉
    Keywords: DNA Transposable Elements ; DNA, Bacterial/genetics ; DNA, Fungal/genetics ; DNA, Recombinant ; *Genes, Fungal ; Kanamycin Kinase ; *Nucleic Acid Amplification Techniques ; Nucleic Acid Hybridization ; Phosphotransferases/genetics ; Plasmids ; Promoter Regions, Genetic ; Saccharomyces cerevisiae/*genetics ; Transcription, Genetic ; Transformation, Genetic
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    A ligase-mediated gene detection technique (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-08-26
    Description: An assay for the presence of given DNA sequences has been developed, based on the ability of two oligonucleotides to anneal immediately adjacent to each other on a complementary target DNA molecule. The two oligonucleotides are then joined covalently by the action of a DNA ligase, provided that the nucleotides at the junction are correctly base-paired. Thus single nucleotide substitutions can be distinguished. This strategy permits the rapid and standardized identification of single-copy gene sequences in genomic DNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Landegren, U -- Kaiser, R -- Sanders, J -- Hood, L -- New York, N.Y. -- Science. 1988 Aug 26;241(4869):1077-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology, California Institute of Technology, Pasadena 91125.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3413476" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Cell Line ; DNA/*analysis/genetics/metabolism ; DNA Ligases/*metabolism ; DNA, Recombinant/metabolism ; Fluorescent Dyes ; Globins/genetics ; Humans ; Molecular Sequence Data ; Nucleic Acid Denaturation ; Nucleic Acid Hybridization ; Polymorphism, Genetic ; Polynucleotide Ligases/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Generation of cDNA probes directed by amino acid sequence: cloning of urate oxidase (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-03-11
    Description: Urate oxidase (E.C. 1.7.3.3) catalyzes the oxidation of uric acid to allantoin in most mammals except humans and certain primates. The amino-terminal amino acid sequence for porcine urate oxidase was determined and used in a novel procedure for generating complementary DNA (cDNA) probes to this amino acid sequence. The procedure is based on the polymerase chain reaction and utilizes mixed oligonucleotide primers complementary to the reverse translation products of an amino acid sequence. This rapid and simple cDNA cloning procedure is generally applicable and requires only a partial amino acid sequence. A cDNA probe developed by this procedure was used to isolate a full-length porcine urate oxidase cDNA and to demonstrate the presence of homologous genomic sequences in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, C C -- Wu, X W -- Gibbs, R A -- Cook, R G -- Muzny, D M -- Caskey, C T -- DK31428/DK/NIDDK NIH HHS/ -- GM34428/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1988 Mar 11;239(4845):1288-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular Genetics, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3344434" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; *Cloning, Molecular ; DNA/*genetics ; Gene Amplification ; Liver/enzymology ; Mice ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Swine ; Urate Oxidase/*genetics
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    Induction of gene amplification by arsenic (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-01
    Description: Arsenic is a well-established carcinogen in humans, but there is little evidence for its carcinogenicity in animals and it is inactive as an initiator or tumor promoter in two-stage models of carcinogenicity in mice. Two arsenic salts (sodium arsenite and sodium arsenate) induced a high frequency of methotrexate-resistant 3T6 cells, which were shown to have amplified copies of the dihydrofolate reductase gene. The ability of arsenic to induce gene amplification may relate to its carcinogenic effects in humans since amplification of oncogenes is observed in many human tumors. The inability of arsenic to induce gene mutations may relate to the negative results of arsenic in long-term animal studies and suggests that these experiments may not detect some environmental agents that act late in the carcinogenic process in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, T C -- Tanaka, N -- Lamb, P W -- Gilmer, T M -- Barrett, J C -- New York, N.Y. -- Science. 1988 Jul 1;241(4861):79-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Carcinogenesis, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina 27709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3388020" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arsenates/*pharmacology ; Arsenic/*pharmacology ; *Arsenites ; Cell Line ; DNA/genetics ; Drug Resistance ; Gene Amplification/*drug effects ; Humans ; Methotrexate ; Mice ; Neoplasms, Experimental/chemically induced/genetics ; Nucleic Acid Hybridization ; Oncogenes ; *Sodium Compounds ; Tetrahydrofolate Dehydrogenase/*genetics
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    Development of disease and virus recovery in transgenic mice containing HIV proviral DNA (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-12-23
    Description: Transgenic mice containing intact copies of the human immunodeficiency virus (HIV) proviral DNA were constructed. Founder animals were not viremic for HIV and remained healthy during a 9-month observation period. After being mated with nontransgenic animals, one founder mouse (No. 13) gave rise to F1 progeny that developed a disease syndrome characterized by marked epidermal hyperplasia, lymphadenopathy, splenomegaly, pulmonary lymphoid infiltrates, growth retardation, and death by day 25 of life. Infectious HIV, indistinguishable from parental virus by immunoblot analysis, was recovered from the spleen, lymph nodes, and skin of five of five affected animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Leonard, J M -- Abramczuk, J W -- Pezen, D S -- Rutledge, R -- Belcher, J H -- Hakim, F -- Shearer, G -- Lamperth, L -- Travis, W -- Fredrickson, T -- New York, N.Y. -- Science. 1988 Dec 23;242(4886):1665-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3201255" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/immunology/*microbiology/pathology ; Animals ; DNA Probes ; *DNA, Viral/analysis ; *Disease Models, Animal ; Epidermis/pathology ; HIV/*genetics/immunology/isolation & purification ; HIV Antibodies/analysis ; Lung/pathology ; Lymph Nodes/microbiology/pathology ; Mice ; Mice, Transgenic ; Nucleic Acid Hybridization ; Skin/microbiology/pathology ; Spleen/microbiology/pathology
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    DNA clock conflict continues (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-09-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1988 Sep 30;241(4874):1756-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3175618" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Base Sequence ; *Biological Evolution ; DNA/*genetics ; Hominidae/*genetics ; Humans ; Nucleic Acid Hybridization ; *Sequence Homology, Nucleic Acid
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    Movement of the X chromosome in epilepsy (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-12-23
    Description: The position of selected chromosomes was assessed in samples of normal and epileptic human cortex with biotinylated probes specific for individual chromosome domains. Optical sectioning provided a rapid method for three-dimensional resolution of in situ hybridization signals in interphase cells, and solid models were reconstructed from digitized images for detailed rotational studies. There was a dramatic repositioning of the X chromosome in neurons of both males and females in electrophysiologically defined seizure foci. Other chromosomes (1, 9, and Y) showed more subtle positional changes. Specifically altered nuclear patterns involving the X chromosome may become established and create the genetic memory for intractable seizure activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Borden, J -- Manuelidis, L -- CA15044/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1988 Dec 23;242(4886):1687-91.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Yale University School of Medicine, New Haven, CT 06510.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3201257" target="_blank"〉PubMed〈/a〉
    Keywords: Astrocytes/ultrastructure ; Cell Nucleolus/ultrastructure ; Cell Nucleus/ultrastructure ; Cerebral Cortex/ultrastructure ; DNA Probes ; Epilepsy/*genetics/physiopathology ; Female ; Humans ; Image Processing, Computer-Assisted ; Male ; Microscopy, Electron ; Neurons/ultrastructure ; Nuclear Envelope/ultrastructure ; Nucleic Acid Hybridization ; *X Chromosome
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    Expression of the murine Duchenne muscular dystrophy gene in muscle and brain (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-03-18
    Description: Complementary DNA clones were isolated that represent the 5' terminal 2.5 kilobases of the murine Duchenne muscular dystrophy (Dmd) messenger RNA (mRNA). Mouse Dmd mRNA was detectable in skeletal and cardiac muscle and at a level approximately 90 percent lower in brain. Dmd mRNA is also present, but at much lower than normal levels, in both the muscle and brain of three different strains of dystrophic mdx mice. The identification of Dmd mRNA in brain raises the possibility of a relation between human Duchenne muscular dystrophy (DMD) gene expression and the mental retardation found in some DMD males. These results also provide evidence that the mdx mutations are allelic variants of mouse Dmd gene mutations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chamberlain, J S -- Pearlman, J A -- Muzny, D M -- Gibbs, R A -- Ranier, J E -- Caskey, C T -- Reeves, A A -- New York, N.Y. -- Science. 1988 Mar 18;239(4846):1416-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular Genetics, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3347839" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*metabolism ; DNA/genetics ; DNA, Recombinant ; *Gene Expression Regulation ; Intellectual Disability/genetics ; Mice ; Mice, Inbred ICR ; Mice, Mutant Strains ; Muscles/*metabolism ; Muscular Dystrophy, Animal/*genetics ; Mutation ; Nucleic Acid Hybridization ; RNA, Messenger/metabolism ; Ribonuclease, Pancreatic/metabolism
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    Site-specific oligonucleotide binding represses transcription of the human c-myc gene in vitro (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-22
    Description: A 27-base-long DNA oligonucleotide was designed that binds to duplex DNA at a single site within the 5' end of the human c-myc gene, 115 base pairs upstream from the transcription origin P1. On the basis of the physical properties of its bound complex, it was concluded that the oligonucleotide forms a colinear triplex with the duplex binding site. By means of an in vitro assay system, it was possible to show a correlation between triplex formation at -115 base pairs and repression of c-myc transcription. The possibility is discussed that triplex formation (site-specific RNA binding to a DNA duplex) could serve as the basis for an alternative program of gene control in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooney, M -- Czernuszewicz, G -- Postel, E H -- Flint, S J -- Hogan, M E -- New York, N.Y. -- Science. 1988 Jul 22;241(4864):456-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Princeton University, NJ 08544.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3293213" target="_blank"〉PubMed〈/a〉
    Keywords: Electrophoresis ; Gene Expression Regulation ; Humans ; In Vitro Techniques ; Nucleic Acid Hybridization ; Oligodeoxyribonucleotides/*pharmacology ; Proto-Oncogene Proteins/*genetics ; *Proto-Oncogenes ; *Transcription, Genetic/drug effects
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    Evidence of estrogen receptors in normal human osteoblast-like cells (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-01
    Description: In seven strains of cultured normal human osteoblast-like cells, a mean of 1615 molecules of tritium-labeled 17 beta-estradiol per cell nucleus could be bound to specific nuclear sites. The nuclear binding of the labeled steroid was temperature-dependent, steroid-specific, saturable, and cell type-specific. These are characteristics of biologically active estrogen receptors. Pretreatment with 10 nanomolar estradiol in vitro increased the specific nuclear binding of progesterone in four of six cell strains, indicating an induction of functional progesterone receptors. RNA blot analysis demonstrated the presence of messenger RNA for the human estrogen receptor. The data suggest that estrogen acts directly on human bone cells through a classical estrogen receptor-mediated mechanism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eriksen, E F -- Colvard, D S -- Berg, N J -- Graham, M L -- Mann, K G -- Spelsberg, T C -- Riggs, B L -- AG-04875/AG/NIA NIH HHS/ -- CA-90441/CA/NCI NIH HHS/ -- HD-9140/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1988 Jul 1;241(4861):84-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Endocrine Research Unit, Mayo Clinic, Rochester, MN 55905.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3388021" target="_blank"〉PubMed〈/a〉
    Keywords: Binding, Competitive ; Cell Nucleus/metabolism ; Cells, Cultured ; DNA/genetics ; Dexamethasone/metabolism ; Diethylstilbestrol/metabolism ; Estradiol/metabolism/pharmacology ; Humans ; Nucleic Acid Hybridization ; Osteoblasts/drug effects/*metabolism ; Progesterone/metabolism ; Promegestone/metabolism ; RNA, Messenger/metabolism ; Receptors, Estrogen/drug effects/genetics/*metabolism ; Receptors, Progesterone/drug effects/metabolism ; Tritium
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    Estrogen binding, receptor mRNA, and biologic response in osteoblast-like osteosarcoma cells (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-07-01
    Description: High specific activity estradiol labeled with iodine-125 was used to detect approximately 200 saturable, high-affinity (dissociation constant approximately equal to 1.0 nM) nuclear binding sites in rat (ROS 17/2.8) and human (HOS TE85) clonal osteoblast-like osteosarcoma cells. Of the steroids tested, only testosterone exhibited significant cross-reactivity with estrogen binding. RNA blot analysis with a complementary DNA probe to the human estrogen receptor revealed putative receptor transcripts of 6 to 6.2 kilobases in both rat and human osteosarcoma cells. Type I procollagen and transforming growth factor-beta messenger RNA levels were enhanced in cultured human osteoblast-like cells treated with 1 nM estradiol. Thus, estrogen can act directly on osteoblasts by a receptor-mediated mechanism and thereby modulate the extracellular matrix and other proteins involved in the maintenance of skeletal mineralization and remodeling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Komm, B S -- Terpening, C M -- Benz, D J -- Graeme, K A -- Gallegos, A -- Korc, M -- Greene, G L -- O'Malley, B W -- Haussler, M R -- New York, N.Y. -- Science. 1988 Jul 1;241(4861):81-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Arizona College of Medicine, Tucson 85724.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3164526" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Cell Nucleus/metabolism ; DNA/genetics ; Estradiol/*metabolism/pharmacology ; Humans ; Iodine Radioisotopes ; Nucleic Acid Hybridization ; Osteoblasts/drug effects/*metabolism ; Osteosarcoma/*metabolism ; Peptides/genetics ; Procollagen/genetics ; RNA, Messenger/*metabolism ; Rats ; Receptors, Estrogen/genetics/*metabolism ; Transcription, Genetic ; Transforming Growth Factors ; Tumor Cells, Cultured
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    Mitogen-induced replication of woodchuck hepatitis virus in cultured peripheral blood lymphocytes (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-09-02
    Description: Peripheral blood lymphocytes (PBLs) isolated from woodchucks chronically infected with the woodchuck hepatitis virus (WHV) carry low levels of nonreplicating WHV DNA. When PBLs from chronic carrier woodchucks were activated in culture with the generalized mitogen lipopolysaccharide (LPS), WHV DNA replication was initiated in cells obtained from one of three animals examined. Intracellular WHV core particles, containing WHV DNA replication intermediates, RNA/DNA hybrid molecules, and an active endogenous DNA polymerase, appeared 3 days after the start of LPS stimulation. After 5 to 7 days of LPS stimulation, WHV DNA-containing particles, which displayed the properties of intact, mature virions, were released into the culture medium. These studies provide evidence for reactivation of a latent WHV infection of circulating lymphoid cells and indicate that the presence of nonreplicating hepadnaviral DNA in lymphoid cells represents a potentially active infection following cellular activation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Korba, B E -- Cote, P J -- Gerin, J L -- N01-AI-02651/AI/NIAID NIH HHS/ -- N01-AI-72623/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1988 Sep 2;241(4870):1213-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Molecular Virology and Immunology, Georgetown University Medical Center, Rockville, MD 20852.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3261887" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Centrifugation, Density Gradient ; Concanavalin A/pharmacology ; *DNA Replication ; Ducks/microbiology ; Hepatitis B virus/physiology ; Hepatitis Viruses/*physiology ; Hepatitis, Viral, Animal/*microbiology ; Interleukin-2/pharmacology ; Lipopolysaccharides/pharmacology ; Lymphocyte Activation ; Lymphocytes/*microbiology ; Marmota/*microbiology ; Mitogens/*pharmacology ; Nucleic Acid Hybridization ; Phytohemagglutinins/pharmacology ; Sciuridae/*microbiology ; *Virus Replication/*drug effects
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    Heterogeneity of glycine receptors and their messenger RNAs in rat brain and spinal cord (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-10-14
    Description: Messenger RNAs isolated from adult or newborn rat spinal cord were fractionated in a sucrose gradient. The fractions were injected into Xenopus oocytes to determine their potencies for expression of glycine receptors (GlyRs), which were then examined electrophysiologically. The sedimentation profiles disclosed two classes of GlyR mRNAs, one heavy and the other light. The adult spinal cord was rich in heavy GlyR mRNA, whereas the light GlyR mRNA was more abundant in neonatal spinal cord and in adult cerebral cortex. Glycine receptors encoded by heavy and light mRNAs of adult spinal cord showed some electrophysiological differences. Thus there are two types of GlyRs encoded by mRNAs of different sizes, and the expression of these mRNAs is developmentally regulated. A tissue- and age-dependent distribution of heterogeneous GlyR mRNAs may imply diverse roles of the GlyRs in neuronal function in the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Akagi, H -- Miledi, R -- R01-NS23284/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1988 Oct 14;242(4876):270-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychobiology, University of California, Irvine 92717.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2845580" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Cell Membrane/physiology ; Centrifugation, Density Gradient ; Cerebral Cortex/*analysis ; DNA/genetics ; Electric Conductivity ; Glycine/pharmacology ; Nucleic Acid Hybridization ; Oocytes/drug effects/physiology ; RNA, Messenger/*genetics/isolation & purification ; Rats ; Receptors, Glycine ; Receptors, Neurotransmitter/*genetics/physiology ; Spinal Cord/*analysis ; Transcription, Genetic ; Xenopus laevis
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    Expression of the beta-nerve growth factor gene in hippocampal neurons (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-06-03
    Description: In situ hybridization with complementary DNA probes for nerve growth factor (NGF) was used to identify cells containing NGF messenger RNA in rat and mouse brain. The most intense labeling occurred in hippocampus, where hybridizing neurons were found in the dentate gyrus and the pyramidal cell layer. The neuronal identity of NGF mRNA-containing cells was further assessed by a loss of NGF-hybridizing mRNA in hippocampal areas where neurons had been destroyed by kainic acid or colchicine. RNA blot analysis also revealed a considerable decrease in the level of NGF mRNA in rat dentate gyrus after a lesion was produced by colchicine. This lesion also caused a decrease in the level of Thy-1 mRNA and an increase in the level of glial fibrillary acidic protein mRNA. Neuronal death was thus associated with the disappearance of NGF mRNA. These results suggest a synthesis of NGF by neurons in the brain and imply that, in hippocampus, NGF influences NGF-sensitive neurons through neuron-to-neuron interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ayer-LeLievre, C -- Olson, L -- Ebendal, T -- Seiger, A -- Persson, H -- New York, N.Y. -- Science. 1988 Jun 3;240(4857):1339-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Chemistry, Karolinska Institutet, Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2897715" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Surface/genetics ; Antigens, Thy-1 ; Colchicine/pharmacology ; Dna ; *Gene Expression Regulation ; Glial Fibrillary Acidic Protein/genetics ; Hippocampus/drug effects/*metabolism ; Kainic Acid/pharmacology ; Nerve Growth Factors/*genetics ; Neurons/*metabolism ; Nucleic Acid Hybridization ; RNA, Messenger/*metabolism ; Rats
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    The CD14 monocyte differentiation antigen maps to a region encoding growth factors and receptors (1988)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1988-01-29
    Description: CD14 is a myelomonocytic differentiation antigen expressed by monocytes, macrophages, and activated granulocytes and is detectable with the monoclonal antibodies MO2, MY4, and LeuM3. Analyses of complementary DNA and genomic clones of CD14 show that it has a novel structure and that it maps to chromosome 5 within a region containing other genes encoding growth factors and receptors; it may therefore represent a new receptor important for myeloid differentiation. In addition, the CD14 gene is included in the "critical" region that is frequently deleted in certain myeloid leukemias.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goyert, S M -- Ferrero, E -- Rettig, W J -- Yenamandra, A K -- Obata, F -- Le Beau, M M -- R01-AI23859/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1988 Jan 29;239(4839):497-500.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Rheumatic Diseases, Hospital for Joint Diseases Orthopaedic Institute, New York, NY 10003.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2448876" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Monoclonal ; Antigens, CD14 ; Antigens, Differentiation/*genetics/immunology ; Cell Differentiation ; Chromosome Mapping ; Chromosomes, Human, Pair 5 ; DNA/genetics ; Electrophoresis, Polyacrylamide Gel ; Granulocytes/immunology ; Growth Substances/*genetics ; Humans ; Immunosorbent Techniques ; Leukemia/genetics ; Macrophages/immunology ; Mice ; Monocytes/*immunology ; Myelodysplastic Syndromes/genetics ; Nucleic Acid Hybridization ; RNA, Messenger/genetics ; Receptors, Cell Surface/*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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