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  • Mice  (83)
  • Adult  (37)
  • Rats, Inbred Strains
  • American Association for the Advancement of Science (AAAS)  (120)
  • Annual Reviews
  • Blackwell Publishing Ltd
  • 1980-1984  (120)
  • 1955-1959
  • 1930-1934
  • 1980  (120)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (120)
  • Annual Reviews
  • Blackwell Publishing Ltd
  • Springer  (5)
Years
  • 1980-1984  (120)
  • 1955-1959
  • 1930-1934
Year
  • 1
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    Human sleep: its duration and organization depend on its circadian phase (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-12
    Description: Two- to threefold variations in sleep length were observed in 12 subjects living on self-selected schedules in an environment free of time cues. The duration of polygraphically recorded sleep episodes was highly correlated with the circadian phase of the body temperature rhythm at bedtime and not with the length of prior wakefulness. Furthermore, the rate of REM (rapid eye movement) sleep accumulation , REM latency, bedtime selection, and self-rated alertness assessments were also correlated with the body temperature rhythm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Czeisler, C A -- Weitzman, E d -- Moore-Ede, M C -- Zimmerman, J C -- Knauer, R S -- AG-00792/AG/NIA NIH HHS/ -- GM-07365/GM/NIGMS NIH HHS/ -- MH-28460/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 12;210(4475):1264-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7434029" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Body Temperature ; *Circadian Rhythm ; Humans ; Male ; Middle Aged ; Sleep/*physiology ; Sleep, REM/physiology ; Wakefulness
    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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    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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  • 3
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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
    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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  • 4
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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
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Identical twins reared apart (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1980 Mar 21;207(4437):1323-5, 1327-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7188816" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Environment ; Female ; Genetics, Medical ; Humans ; Intelligence ; Male ; Pregnancy ; Twins/*psychology ; Twins, Monozygotic/*psychology
    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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  • 6
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    Olfactory sensitivity in humans: genetic versus environmental control (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-09
    Description: Olfactory sensitivity to acetic acid, isobutyric acid, and 2-sec-butyl-cyclohexanone was tested in 97 adult male twin pairs to determine the extent to which variation in odor perception was genetically determined. Analysis of the data revealed no evidence for heritability of olfactory sensitivity. However, factors significantly associated with odor perception included cigar, pipe, and cigarette smoking; body fatness; alcohol consumption; and diabetes mellitus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hubert, H B -- Fabsitz, R R -- Feinleib, M -- Brown, K S -- New York, N.Y. -- Science. 1980 May 9;208(4444):607-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7189296" target="_blank"〉PubMed〈/a〉
    Keywords: Acetates ; Adult ; Alcohol Drinking ; Butyrates ; Cyclohexanones ; *Environment ; Female ; *Genes ; Humans ; Male ; Middle Aged ; Pregnancy ; Sensory Thresholds ; Skinfold Thickness ; Smell/*physiology ; Smoking ; *Twins ; Twins, Dizygotic ; Twins, Monozygotic
    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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  • 7
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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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  • 8
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    NIH shaken by death of research volunteer (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G B -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):475-6, 478-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394512" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Anorexia Nervosa ; Female ; *Human Experimentation ; Humans ; *Jurisprudence ; Lithium ; *National Institutes of Health (U.S.) ; *Patient Selection ; *Research ; *Research Subjects ; Sleep ; United States ; Vomiting
    Print ISSN: 0036-8075
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  • 9
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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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  • 10
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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
    Electronic ISSN: 1095-9203
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  • 11
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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
    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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  • 12
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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
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
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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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  • 14
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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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  • 15
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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
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  • 16
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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
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  • 17
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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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  • 18
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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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  • 19
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    Buprenorphine suppresses heroin use by heroin addicts (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-08
    Description: Heroin-dependent men were given buprenorphine (a partial opiate agonist-antagonist) or a placebo under duoble-blind conditions on a clinical research ward where they could acquire heroin (21 to 40.5 milligrams per day, intravenously). Buprenorphine significantly (P less than .001) suppressed the self-administration of heroin over 10 days. Control subjects took between 93 and 100 percent of the available heroin. The effects of buprenorphine were dose-dependent; a dose of 8 milligrams per day reduced heroin use by 69 to 98 percent; a dose of 4 milligrams per day reduced heroin use by 45 percent. Termination of buprenorphie maintenance did not result in opiate withdrawal signs or symptoms. The subjects liked buprenorphine and indicated that it was preferable to methadone or naltrexone. Buprenorphine should be a safe and effective new pharmacotherapy for heroin dependence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mello, N K -- Mendelson, J H -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):657-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352279" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Buprenorphine/adverse effects/*therapeutic use ; Double-Blind Method ; Heroin Dependence/*drug therapy ; Humans ; Informed Consent ; Morphinans/*therapeutic use ; Substance Withdrawal Syndrome/prevention & control ; Substance-Related Disorders/prevention & control
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  • 20
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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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  • 21
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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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  • 22
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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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  • 23
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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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  • 24
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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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  • 25
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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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  • 26
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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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  • 27
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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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  • 28
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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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  • 29
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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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  • 30
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    Blood lead concentrations in a remote Himalayan population (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-05
    Description: The lead content in the air at the foothills of the Himalayas in Nepal was found to be negligible. The concentration of lead in the blood of 103 children and adults living in this region was found to average 3.4 micrograms per deciliter, a level substantially lower than that found in industrialized populations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Piomelli, S -- Corash, L -- Corash, M B -- Seaman, C -- Mushak, P -- Glover, B -- Padgett, R -- ES-01104/ES/NIEHS NIH HHS/ -- ES-26437/ES/NIEHS NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 5;210(4474):1135-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7444442" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Air Pollutants/*analysis ; Child, Preschool ; China ; Environment ; Female ; Humans ; *Industry ; Lead/*blood ; Male ; Nepal
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  • 31
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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)
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    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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  • 32
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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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  • 33
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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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  • 34
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    Methylphenidate and hyperactivity: effects on teacher behaviors (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-06-13
    Description: Teacher interactions with hyperactive and comparison boys were observed during classroom activities. A double-blind, methylphenidate-placebo cross-over design was used within the hyperactive group. With no knowledge of any child's diagnosis or drug status, the teacher was more intense and controlling toward hyperactive boys taking placebo than toward either medicated hyperactive boys or comparison boys; her behavior did not differ toward the latter two groups. Discussion focused on the need to consider the broad social ramifications of pharmacologic treatment programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Whalen, C K -- Henker, B -- Dotemoto, S -- New York, N.Y. -- Science. 1980 Jun 13;208(4449):1280-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7375940" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Behavior/drug effects ; Child ; Humans ; Hyperkinesis/*drug therapy ; *Interpersonal Relations ; Male ; Methylphenidate/pharmacology/*therapeutic use ; *Teaching
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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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    Rate of acoustic change may underlie hemispheric specialization for speech perception (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-03-21
    Description: Phonemically similar syllables, differing only by temporal acoustic cues, were presented dichotically to investigate temporal processing mechanisms in hemispheric specialization for speech. Reducing the rate of acoustic change within syllables while keeping their phonemic characteristics constant significantly decreased the characteristic asymmetry in processing speech.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schwartz, J -- Tallal, P -- New York, N.Y. -- Science. 1980 Mar 21;207(4437):1380-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355297" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Auditory Pathways/physiology ; Auditory Perception/*physiology ; Brain/*physiology ; Female ; *Functional Laterality ; Humans ; Linguistics ; Male ; Speech Perception/*physiology ; Time Factors
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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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    Human aging and spatial vision (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-12
    Description: The ability to see spatial structures of a wide range of sizes was measured for two groups of observers (mean ages, 18 and 73 years). All observers had good visual acuity. Although older and younger observers did not differ in ability to see targets with fine structure (high spatial frequencies), older observers were only one-third as sensitive to targets with coarse structure (low spatial frequencies) as were younger observers or to changes in criterion. Older observers were also less able than younger observers to see moving targets. The reduced sensitivity of the older observers may adversely affect routine perceptual activities, such as face recognition and visually guided postural behavior, that depend upon low spatial frequencies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sekuler, R -- Hutman, L P -- Owsley, C J -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1255-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403884" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; *Aging ; Humans ; Motion Perception/physiology ; Size Perception/*physiology ; Space Perception/*physiology ; Visual Acuity
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    Hemoglobin switching: a cellular model (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-02-08
    Description: Regulation of hemoglobin synthesis depends in part on the population of cells available for erythroid differentiation. Mouse erythroleukemia cells were cloned, and the clones were induced with dimethyl sulfoxide to test the relative induction of beta minor and beta major synthesis. Cells of line 745 produced approximately 35 percent beta minor after induction, and 39 clones of line 745 produced from 23 to 61 percent beta minor. Further subcloning of the clone that produced 61 percent beta minor led to three subclones, all of which produced more than 90 percent beta minor. Thus one kind of hemoglobin regulation occurs at the cellular level.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alter, B P -- Goff, S C -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):647-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6928071" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Differentiation ; Cell Line ; Clone Cells/metabolism ; Dimethyl Sulfoxide/pharmacology ; Globins/*biosynthesis/genetics ; Leukemia, Erythroblastic, Acute/metabolism ; Mice
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    Human taste: response and taste bud number in fungiform papillae (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-15
    Description: The number of basic taste qualities registered by single human fungiform papillae is correlated with the number of taste buds borne on these papillae. Multiple sensitivity was demonstrated both in single fungiform papillae and in single taste buds, with response to all four of the basic taste qualities occuring in a single taste bud.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Arvidson, K -- Friberg, U -- New York, N.Y. -- Science. 1980 Aug 15;209(4458):807-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403846" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Humans ; Sensory Receptor Cells ; Taste/*physiology ; Taste Buds/cytology/*physiology ; Tongue/cytology/*innervation
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    Polyamine metabolism: a potential therapeutic target in trypanosomes (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-17
    Description: alpha-Difluoromethylornithine (RMI 71,782), a specific irreversible inhibitor of the first step in polyamine biosynthesis, that is, the formation of putrescine from ornithine by ornithine decarboxylase, cures mice infected with a virulent, rodent-passaged strain of Trypanosoma brucei brucei. This parasite is closely related to the trypanosomes that cause human sleeping sickness. The drug, which is remarkably nontoxic, was effective when administered in drinking water or by intubation. The ability of the compound to inhibit ornithine decarboxylase in vitro was demonstrated by the reduced amounts of putrescine synthesized from tritiated ornithine in Trypanosoma brucei suspensions. These observations direct attention to polyamine metabolism as a target for chemotherapy of parasitic diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bacchi, C J -- Nathan, H C -- Hutner, S H -- McCann, P P -- Sjoerdsma, A -- AI 13801/AI/NIAID NIH HHS/ -- AI 13852/AI/NIAID NIH HHS/ -- FR-05596/PHS HHS/ -- New York, N.Y. -- Science. 1980 Oct 17;210(4467):332-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6775372" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Eflornithine ; Mice ; Ornithine/analogs & derivatives/metabolism/pharmacology ; Ornithine Decarboxylase Inhibitors ; Polyamines/*metabolism ; *Trypanocidal Agents ; Trypanosoma brucei brucei/drug effects/metabolism ; Trypanosomiasis, African/*drug therapy
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  • 42
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    Goal orientation by blindfolded humans after long-distance displacement: possible involvement of a magnetic sense (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-10-31
    Description: A wide range of animals are able to orient toward home when subjected to displacement-release experiments. When comparable experiments are performed on blindfolded humans, a similar ability emerges. Such goal-orientation does not result from following the complete journey on a mental map, nor is it influenced by cloud cover. Bar magnets worn on the head do seem to exert an influence.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Baker, R R -- New York, N.Y. -- Science. 1980 Oct 31;210(4469):555-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7423208" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Humans ; Magnetics ; Male ; Orientation/*physiology
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    Picrotoxin convulsions involve synaptic and nonsynaptic mechanisms on cultured mouse spinal neurons (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-30
    Description: The cellular mechanisms underlying picrotoxin-induced convulsive activity were studied by using mouse spinal neurons growing in tissue culture. Picrotoxin-induced convulsive activity in most but not all of the cells studied. The activity could be inverted by polarizing to positive potentials and eliminated either by decreasing the ratio of calcium to magnesium or by applying tetrodotoxin. When applied locally to individual cells, picrotoxin lowered spike threshold and induced spontaneous firing in some but not all cells tested. The results suggest that picrotoxin-induced convulsive activity involves rapidly summating synaptic activity which may be evoked by high-frequency repetitive firing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barker, J L -- MacDonald, J F -- New York, N.Y. -- Science. 1980 May 30;208(4447):1054-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7375918" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials/drug effects ; Animals ; Calcium/pharmacology ; Cells, Cultured ; Magnesium/pharmacology ; Membrane Potentials/drug effects ; Mice ; Picrotoxin/*pharmacology ; Seizures/*chemically induced ; Spinal Cord/*drug effects/physiology ; Synapses/*drug effects
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    Age-related changes in passive avoidance retention: modulation with dietary choline (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bartus, R T -- Dean, R L -- Goas, J A -- Lippa, A S -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):301-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384805" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Aging ; Animals ; Avoidance Learning/*drug effects ; Choline/administration & dosage/*pharmacology ; Mice ; Mice, Inbred Strains ; Time Factors
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  • 45
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    Mouse leukemia: therapy with monoclonal antibodies against a thymus differentiation antigen (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-01-04
    Description: Monoclonal antibodies against a thymus cell differentiation antigen (Thy-1.1) were effective in the therapy of a transplanted mouse leukemia. Passive immunization resulted in high titers of cytotoxic antibody in the serum of treated mice and the suppression of metastatic tumor cells. The tumor-suppressive effects of the monoclonal antibodies were amplified by the administration of exogenous complement. This combined antibody and complement therapy resulted in the cure of leukemia in a significant proportion of the treated animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, I D -- Tam, M R -- Nowinski, R C -- New York, N.Y. -- Science. 1980 Jan 4;207(4426):68-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6965328" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Specificity ; Antigens, Surface ; Antilymphocyte Serum/*therapeutic use ; Cell Differentiation ; Clone Cells/immunology ; Cytotoxicity, Immunologic ; Immunotherapy ; Leukemia, Experimental/surgery/*therapy ; Mice ; Mice, Inbred Strains ; Neoplasm Metastasis ; T-Lymphocytes/*immunology
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    Limitations of metabolic activation systems used with in vitro tests for carcinogens (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-07-25
    Description: Important differences between the metabolic activation of 7,12-dimethylbenz[a]anthracene in intact cellular systems and in liver homogenates suggest that the use of homogenates in conjunction with short-term assays for carcinogens could yield misleading results.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bigger, C A -- Tomaszewski, J E -- Dipple, A -- Lake, R S -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):503-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6771871" target="_blank"〉PubMed〈/a〉
    Keywords: 9,10-Dimethyl-1,2-benzanthracene/*metabolism ; Animals ; Benz(a)Anthracenes/*metabolism ; Carcinogens/*metabolism ; Cells, Cultured ; DNA/metabolism ; Deoxyribonucleosides ; Drug Evaluation, Preclinical/methods ; Humans ; Liver/*metabolism ; Mice ; Microsomes, Liver/metabolism ; Rats ; Skin/metabolism
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    Does malnutrition affect fecundity? A summary of evidence (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-05-09
    Description: Moderate chronic malnutrition has only a minor effect on fecundity (reproductive capacity), and the resulting effect on fertility (actural reproduction) is very small. Among the fecundity components examined here in noncontracepting populations, age at menarche and the duration of lactational amenorrhea appear to be the ones most affected by malnutrition. But from neither of those effects can a difference in fertility of more than a few percent be expected between poorly and well-nourished women in developing countries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bongaarts, J -- New York, N.Y. -- Science. 1980 May 9;208(4444):564-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7367878" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Induced ; Adolescent ; Adult ; Age Factors ; Behavior ; Birth Intervals ; Contraception ; Female ; *Fertility ; Fetal Death/epidemiology ; Humans ; Lactation ; Male ; Marriage ; Menarche ; Menopause ; Middle Aged ; Nutrition Disorders/*physiopathology ; Nutritional Physiological Phenomena ; Ovulation ; Pregnancy ; Spermatogenesis
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    Electrophoretic injection of a fluorescent dye into giant mitochondria and mitoplasts (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-09-12
    Description: Studies of the electrical properties of giant mitochondria and mitoplasts with microelectrodes have indicated that there are no significant metabolically dependent membrane potentials. The internal location of the microelectrode has been confirmed by electrophoretically microinjecting the water-soluble dye Lucifer yellow CH into giant mitochondria or mitoplasts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowman, C -- Tedeschi, H -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1251-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403882" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Electrophoresis ; Fluorescent Dyes/*administration & dosage ; Membrane Potentials ; Mice ; Microelectrodes ; Mitochondria, Liver/*physiology/ultrastructure
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  • 49
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    Histamine-mediated delayed permeability response after scald burn inhibited by cimetidine or cold-water treatment (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-08-15
    Description: Scald injury to one ear of the hairless mouse induced significant (P 〈 .05) delayed edema formation in remote, uninjured skin. This remote edema formation was completely inhibited by immediate cold-water treatment of the scalded ear. Cold-water treatment significantly reduced histamine loss from the scalded ear, and the edema-inhibiting effect of the treatment could be mimicked by treating the animal prior to injury with the H2-histamine receptor antagonist cimetidine or a drug that causes histamine depletion. These observations suggest (i) that a histamine-mediated, delayed permeability response occurs after thermal injury that causes remote edema formation and (ii) that one mechanism of remote edema inhibition by cold-water treatment is the prevention of histamine release from thermally injured tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boykin, J V Jr -- Eriksson, E -- Sholley, M M -- Pittman, R N -- New York, N.Y. -- Science. 1980 Aug 15;209(4458):815-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6157189" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Burns/complications/physiopathology/*therapy ; Cell Membrane Permeability ; Cimetidine/*pharmacology ; *Cold Temperature ; Edema/etiology/physiopathology ; Guanidines/*pharmacology ; Histamine Release/*drug effects ; Indomethacin/pharmacology ; Male ; Mice ; Receptors, Histamine H2/physiology
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    Tritiated imipramine binding sites are decreased in platelets of untreated depressed patients (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-07-11
    Description: The high-affinity binding of triatiated imipramine to platelet membranes was compared in samples from 16 untreated depressed women and 21 age-matched controls of the same sex. The maximal binding in the depressed group was significantly lower than that of the controls, although the affinity constants were similar. These results suggest that binding of tritiated imipramine in human platelets may represent a biochemical index of depression, possibly reflecting similar changes in the brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Briley, M S -- Langer, S Z -- Raisman, R -- Sechter, D -- Zarifian, E -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):303-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384806" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Blood Platelets/*analysis ; Cell Membrane/metabolism ; Depression/*blood ; Humans ; Imipramine/*blood ; Kinetics ; Middle Aged ; Receptors, Drug/*metabolism
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    A bank for Nobel sperm (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-03-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Broad, W J -- New York, N.Y. -- Science. 1980 Mar 21;207(4437):1326-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355292" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Humans ; *Insemination, Artificial ; *Insemination, Artificial, Heterologous ; Male ; *Nobel Prize ; *Spermatozoa ; *Tissue Banks ; Tissue Donors
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    Inhibition of cell motility by interferon (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-02
    Description: Interferon derived from human leukocytes, human fibroblasts, and mouse fibroblasts was found to inhibit the motility of cultured cells. It inhibits the tumor-induced motility of capillary endothelial cells as well as the spontaneous migration of other cell types. The ability of a given preparation of interferon to inhibit the motility of a given cell type is proportional to its antiviral activity in that particular cell type. Antiserum to human leukocyte interferon neutralizes both the motility-inhibitory activity and the antiviral activity of this preparation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brouty-Boye, D -- Zetter, B R -- New York, N.Y. -- Science. 1980 May 2;208(4443):516-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6154315" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antineoplastic Agents ; Antiviral Agents ; Capillaries/cytology ; Cattle ; *Cell Movement ; Cells, Cultured/physiology ; Endothelium/cytology ; Fibroblasts ; Humans ; Interferons/*pharmacology ; Leukocytes/physiology ; Mice ; Neoplasms/pathology
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    gamma-Glutamyl transpeptidase in isolated brain endothelial cells: induction by glial cells in vitro (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-08
    Description: The endothelia of microvessels isolated from mouse brain by mechanical means are rich in gamma-glutamyl transpeptidase; however, the enzyme often disappears when the cells migrate or proliferate from the microvessel isolates. In an endothelial cell line derived from similar isolates and negative for gamma-glutamyl transpeptidase, the enzyme could be induced in the endothelial cells when they were cocultured with glial cells. Thus there may be a requirement for continuous induction of gamma-glutamyl transpeptidase in brain microvessels by adjacent glial cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉DeBault, L E -- Cancilla, P A -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):653-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6101511" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*blood supply ; Capillaries/*enzymology ; Cells, Cultured ; Endothelium/enzymology ; Enzyme Induction ; Glioma/physiopathology ; Mice ; Neuroglia/*physiology ; Rats ; gamma-Glutamyltransferase/*biosynthesis
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    Epidermal growth factor is a major growth-promoting agent in human milk (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-10
    Description: Human milk stimulates DNA synthesis in cell cultures in which growth has been arrested. The mitogenic activity of milk is neutralized by the addition of antibody to human epidermal growth factor. The results identify epidermal growth factor as a major growth-promoting agent in breast milk.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carpenter, G -- CA24071/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1980 Oct 10;210(4466):198-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6968093" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/drug effects ; Cells, Cultured ; DNA/biosynthesis ; Epidermal Growth Factor/analysis/*pharmacology ; Female ; Humans ; Mice ; Milk, Human/analysis/*physiology ; Mitogens ; Peptides/*pharmacology
    Print ISSN: 0036-8075
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    Biological and sociocultural effects on handedness: comparison between biological and adoptive families (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-12
    Description: Data from adoption studies on handedness indicate that the effects of shared biological heritage are more powerful determinants of hand preference than sociocultural factors. Biological offspring were found to show nonrandom distributions of right- and non-right-handedness as a function of parental handedness; these distributions were consistent with the results fo previous family studies. In contrast, the handedness distribution of adopted children as a function of parental handedness was essentially random.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carter-Saltzman, L -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1263-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403887" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adoption ; Adult ; Cultural Characteristics ; *Environment ; *Functional Laterality ; Genetics ; Humans ; Sociology
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    Rand issues final alcoholism report (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 1980 Feb 22;207(4433):855-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7355266" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Alcohol Drinking ; Alcoholism/*physiopathology/prevention & control/therapy ; Follow-Up Studies ; Humans ; Male
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Postsynaptic transmission block can cause terminal sprouting of a motor nerve (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-08
    Description: Sprouting of mouse soleus motor nerve terminals can be evoked by daily intramuscular injections of purified alpha-bungarotoxin. This finding supports the hypothesis that an important stimulus to terminal sprouting in partial denervation and presynaptic nerve blockade is a product of inactive muscle fibers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holland, R L -- Brown, M C -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):649-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6243417" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Botulinum Toxins/pharmacology ; Bungarotoxins/*pharmacology ; Female ; Mice ; Motor Endplate/drug effects ; Motor Neurons/*growth & development ; Muscles/innervation ; Neuromuscular Junction/*physiology ; Receptors, Cholinergic/drug effects ; Synaptic Transmission/*drug effects
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    Consensus--more or less--on the Pap smear (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):672.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394525" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Humans ; Middle Aged ; *National Institutes of Health (U.S.) ; *Papanicolaou Test ; United States ; Uterine Cervical Neoplasms/*diagnosis ; *Vaginal Smears
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    Gene transfer given a new twist (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-04-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1980 Apr 25;208(4442):386-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6929109" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bone Marrow Cells ; Cell Survival/drug effects ; *DNA, Recombinant ; Drug Resistance ; Genetic Engineering/*methods ; Methotrexate/*pharmacology ; Mice ; Selection, Genetic
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    Vasoactive intestinal peptide: a possible transmitter of nonadrenergic relaxation of guinea pig airways (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-12
    Description: Vasoactive intestinal peptide, a smooth-muscle relaxant neuropeptide with neurotransmitter properties, was relaxed during electrical field stimulation of guinea pig trachea. The amount released correlated with the degree of relaxation, and the release was blocked by tetrodotoxin. Prior incubation of the trachea with antiserum to vasoactive intestinal peptide reduced the relaxation. Thus vasoactive intestinal peptide may mediate the nonadrenergic relaxation of tracheal smooth muscle.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Matsuzaki, Y -- Hamasaki, Y -- Said, S I -- HL-14187/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 12;210(4475):1252-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6254154" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenergic Fibers/*physiology ; Animals ; Antigen-Antibody Reactions ; Electric Stimulation ; Female ; Gastrointestinal Hormones/*physiology ; Humans ; Mice ; *Muscle Contraction ; *Muscle Relaxation ; Muscle, Smooth/drug effects ; Neural Inhibition ; Synaptic Transmission ; Tetrodotoxin/pharmacology ; Trachea/*innervation ; Vasoactive Intestinal Peptide/immunology/*physiology
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    Women gain parity in smoking-related ailments (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-02-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, J R -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):509.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352257" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Humans ; Lung Neoplasms/epidemiology/*etiology ; Smoking/*complications
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    Faster cholinergic REM sleep induction in euthymic patients with primary affective illness (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-04-11
    Description: Arecoline, a cholinergic muscarinic receptor agonist, induced rapid eye movement sleep significantly more rapidly in patients with primary affective illness in remission than in normal control subjects matched for age and sex. These results, and others, suggest that patients with primary affective illness may have a supersensitive cholinergic system both when they are ill and when their symptoms are in clinical remission.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sitaram, N -- Nurnberger, J I Jr -- Gershon, E S -- Gillin, J C -- New York, N.Y. -- Science. 1980 Apr 11;208(4440):200-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361118" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Affective Symptoms/drug therapy/*physiopathology ; Arecoline/*pharmacology ; Female ; Humans ; Injections, Intravenous ; Male ; Sleep Wake Disorders/physiopathology ; Sleep, REM/*drug effects
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    Panel asks "when is a person dead"? (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, M -- New York, N.Y. -- Science. 1980 Aug 8;209(4457):669-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394524" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; *Brain Death ; Child ; *Death ; Humans ; *Legislation, Medical ; *Religion and Medicine ; United States
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    Tumor-promoting phorbol esters stimulate hematopoietic colony formation in vitro (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-04-25
    Description: Tumor-promoting phorbol esters stimulated mouse bone marrow cells to form myeloid colonies in agar cultures without added colony-stimulating factors. The colony-stimulating ability of various phorbol esters correlated well with their ability to promote skin tumors in vivo. These results suggest that phorbol esters mimic the action of specific colony-stimulating factors that regulate growth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stuart, R K -- Hamilton, J A -- New York, N.Y. -- Science. 1980 Apr 25;208(4442):402-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6245446" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/drug effects ; Cells, Cultured ; *Colony-Forming Units Assay ; Colony-Stimulating Factors/pharmacology ; Dose-Response Relationship, Drug ; Hematopoietic Stem Cells/*drug effects ; Macrophages/physiology ; Mice ; Monocytes/physiology ; Phorbol Esters/pharmacology ; Phorbols/*pharmacology ; Receptors, Cell Surface/drug effects ; Structure-Activity Relationship ; Tetradecanoylphorbol Acetate/*pharmacology
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    Anxiety and muscle tension as consequences of caffeine withdrawal (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-09-26
    Description: Regular consumers of caffeine had higher muscle tension after three or more hours of abstinence than low caffeine consumers. This difference was absent after double-blind administration of caffeine citrate or placebo. In a discriminative reaction time test, caffeine treatment improved performance. Among subjects receiving placebo, anxiety was highly correlated with prior caffeine use, suggesting that even a brief abstinence may produce anxiety in the regular user.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, B C -- Lincoln, C A -- Pearce, N W -- Reeb, R -- Vaida, C -- AA 03513/AA/NIAAA NIH HHS/ -- HD 05958/HD/NICHD NIH HHS/ -- NS 11618/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1980 Sep 26;209(4464):1547-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7433978" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Anxiety/*etiology ; Caffeine/*pharmacology ; Humans ; Muscle Contraction/*drug effects ; Substance Withdrawal Syndrome/complications/*physiopathology
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    Electrophysiological signs of split-second decision-making (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-02-08
    Description: When young adults detected auditory stimuli at split-second intervals, different components of the event-related brain potentials showed markedly different speeds of recovery. The P3 component (latency 300 to 350 milliseconds) was fully recovered at intervals of less than 1.0 second, while the N1--P2 components (latencies 100 to 180 milliseconds) were markedly attenuated with stimulus repetition even at longer interstimulus intervals. Thus, the N1--P2 recovers much more slowly than a subject's ability to evaluate signals, whereas the P3 appears to be generated at the same high rates as the decision processes with which it is associated.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Woods, D L -- Hillyard, S A -- Courchesne, E -- Galambos, R -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):655-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352278" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Auditory Perception/physiology ; Brain/*physiology ; Cognition/physiology ; Decision Making/*physiology ; Evoked Potentials ; Humans ; Memory/physiology ; Time Factors
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    Hybridoma produces protective antibodies directed against the sporozoite stage of malaria parasite (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-01-04
    Description: Hybrid cells secreting antibodies against sporozoites of Plasmodium berghei were obtained by fusion of plasmacytoma cells with immune murine spleen cells. The monoclonal antibodies bound to a protein with an apparent molecular weight of 44,000 (Pb44), which envelopes the surface membrane of sporozoites. Incubation of sporozoites in vitro with antibodies to Pb44 abolished their infectivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoshida, N -- Nussenzweig, R S -- Potocnjak, P -- Nussenzweig, V -- Aikawa, M -- New York, N.Y. -- Science. 1980 Jan 4;207(4426):71-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6985745" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibodies ; Antigens, Surface ; Clone Cells/immunology ; Hybrid Cells/immunology ; Malaria/*immunology ; Membrane Proteins/immunology ; Mice ; Molecular Weight ; Myeloma Proteins/immunology ; Neoplasms, Experimental/immunology ; Plasmacytoma/immunology ; Plasmodium berghei/*immunology ; Spleen/immunology
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    Carboxyhemoglobin levels in an unstable hemoglobin disorder (Hb Zurich): effect on phenotypic expression (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-07-18
    Description: The affinity of Hb Zurich for carbon monoxide is approximately 65 times that of normal hemoglobin. The carboxyhemoglobin content in serum from individuals with Hb Zurich ranged from 3.9 to 6.7 percent in nine nonsmokers and from 9.8 to 19.7 percent in six smokers. Rates of hemolysis and hemoglobin denaturation were less in smokers than in nonsmokers, effects that may be secondary to the stabilization of Hb Zurich by carbon monoxide.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zinkham, W H -- Houtchens, R A -- Caughey, W S -- New York, N.Y. -- Science. 1980 Jul 18;209(4454):406-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384813" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Carboxyhemoglobin/*analysis/genetics ; Child ; Female ; Hematocrit ; Hemoglobins/*analysis ; Hemoglobins, Abnormal/*analysis/genetics ; Humans ; Male ; Middle Aged ; Phenotype ; Smoking
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    Visual effects of auditory deprivation: common intermodal and intramodal factors (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-02-08
    Description: Visual temporal acuity, as measured by the critical flicker frequency decreased and then increased during 24 hours of auditory deprivation. This intermodal effect is similar to intramodal changes in the critical flicker frequency of the nonoccluded eye during monocular deprivation; a single mechanism appears to underlie both phenomena.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bross, M -- Harper, D -- Sicz, G -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):667-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352281" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Auditory Perception/*physiology ; Denervation ; Flicker Fusion ; Humans ; Reticular Formation/physiology ; Time Factors ; Visual Perception/*physiology
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    DNA sequences mediating class switching in alpha-immunoglobulins (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-19
    Description: Immunoglobulin class switching involves specific DNA rearrangements of the gene segments coding for heavy chain constant regions (CH) during B lymphocyte differentiation. In two different cases of C mu to C alpha switching examined here (T15 and M603) and one taken from the literature (MC101), three different sites on the 5' side of C mu and three different sites on the 5' side of C alpha are joined together in the process of CH switching. The sequences surrounding the three germ-line C alpha sites of recombination are highly conserved blocks of 30 nucleotides that may serve as recognition sequences for CH switching to the C alpha gene. This putative recognition sequence is repeated 17 times in approximately 1400 nucleotides of the germ-line Calpha 5' flanking sequence. The lack of homology between this C alpha sequence and sequences reported for the C gamma 1 and C gamma 2b switch sites suggests that heavy chain switching is mediated by class-specific recognition sequences and, presumably, class-specific regulatory mechanisms. In addition, it appears that in one example (MC101) CH switching progressed from C mu to C alpha to C gamma 1. This switching pathway may present difficulties for the simple deletional model of CH switching.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, M M -- Kim, S K -- Hood, L E -- AI 09072/AI/NIAID NIH HHS/ -- GM 07616/GM/NIGMS NIH HHS/ -- PCM76-81546/PC/NCI NIH HHS/ -- New York, N.Y. -- Science. 1980 Sep 19;209(4463):1360-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6774415" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; B-Lymphocytes/*immunology ; Base Sequence ; DNA/genetics ; *Genes ; Immunoglobulin Constant Regions/*genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin Variable Region/genetics ; Immunoglobulin alpha-Chains/*genetics ; Immunoglobulin mu-Chains/*genetics ; Immunoglobulins/*genetics ; Mice ; Myeloma Proteins/genetics ; Recombination, Genetic
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    Two coronaviruses isolated from central nervous system tissue of two multiple sclerosis patients (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-08-22
    Description: Two coronaviruses were isolated from brain material obtained at autopsy from two multiple sclerosis patients. The viruses were neutralized by serum and spinal fluid from these patients. Although most of the population have antibody to these virus isolates, multiple sclerosis patients have slightly higher concentrations of serum antibody than controls. The results suggest that coronaviruses should be considered as one additional virus with a potential implication in the etiology of multiple sclerosis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burks, J S -- DeVald, B L -- Jankovsky, L D -- Gerdes, J C -- New York, N.Y. -- Science. 1980 Aug 22;209(4459):933-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403860" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Animals ; Antibodies, Viral/analysis ; Brain/*microbiology ; Cells, Cultured ; Coronaviridae/immunology/*isolation & purification ; Female ; Freezing ; Humans ; Male ; Mice ; Middle Aged ; Multiple Sclerosis/*microbiology/pathology
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    Subcellular origin of cholinergic transmitter release from mouse brain (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-11-07
    Description: Samples of minced mouse forebrain were treated in a way that resulted in a high ratio of false cholinergic transmitter (acetylhomocholine) to true transmitter (acetylcholine) in a synaptic vesicle fraction, and a low ratio of false to true transmitter in the nerve terminal cytoplasm. The spontaneous release of cholinergic transmitters from this minced tissue occurred independently of calcium and had a ratio of false to true transmitter similar to that of the cytoplasm, whereas the evoked transmitter release required calcium and had a ratio of false to true transmitter similar to that of the vesicular fraction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carroll, P T -- Aspry, J M -- New York, N.Y. -- Science. 1980 Nov 7;210(4470):641-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7433989" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcholine/analogs & derivatives/*metabolism ; Animals ; Brain/*metabolism ; Calcium/physiology ; Cytoplasm/metabolism ; Exocytosis/drug effects ; Lithium/pharmacology ; Magnesium/physiology ; Male ; Mice ; Potassium/pharmacology ; Synaptic Vesicles/metabolism
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  • 73
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    Asymmetrically permeable membrane channels in cell junction (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-02-15
    Description: Asymmetric membrane junctions were formed in culture by pairing two cell types which, in their respective homologous junctions, have cell-cell channels of different permselectivities. The channels in the asymmetric junction, presumably made of unequal channel precursors, displayed directional permselectivity; fluorescent labeled glutamic acid (700 daltons), but not smaller and less polar permeant molecules, traversed the junction more readily in one direction than in the other. The favored direction was the one where the permeant passed first through the cell membrane that would have the less restrictive channels in a homologous junction. This directional selectivity requires no electric field across the junction and is thus distinct from a rectifying junction. The physiological potential of such directional molecular sieving for partitioning communication between tissue cells of different function and developmental fate are discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flagg-Newton, J L -- Loewenstein, W R -- New York, N.Y. -- Science. 1980 Feb 15;207(4432):771-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352287" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport ; *Cell Communication ; Cell Line ; Cell Membrane Permeability ; Fluorescent Dyes ; Intercellular Junctions/*physiology ; Ion Channels/*physiology/ultrastructure ; Membrane Potentials ; Mice
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    Therapy of spontaneous metastases by intravenous injection of liposomes containing lymphokines (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-06-27
    Description: Mice of two different strains were injected subcutaneously with spontaneously metastasizing syngeneic melanomas. After 4 to 6 weeks, the local tumors were removed and, 3 days after surgery, treatment of the metastases was initiated. The treatment consisted of intravenous injections of liposomes containing lymphokines or control supernatant fluids. Liposomes were injected twice weekly for 3 weeks, and the mice were killed 2 weeks later. Seventy-three percent of the mice injected with liposomes containing lymphokines were free of metastases, whereas only 10 percent of the mice treated with control liposomes were tumor-free. These experiments suggest that this form of therapy may provide a valuable addition to the more conventional approaches to the eradication of cancer metastases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fidler, I J -- New York, N.Y. -- Science. 1980 Jun 27;208(4451):1469-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7384789" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Liposomes/*therapeutic use ; Lymphokines/*therapeutic use ; Melanoma/*drug therapy ; Mice ; Mice, Inbred C3H ; Mice, Inbred C57BL ; *Neoplasm Metastasis ; Neoplasms, Experimental/drug therapy ; Species Specificity
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    Genetic expression of Wilson's disease in cell culture: a diagnostic marker (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-04-18
    Description: Wilson's disease fibroblasts have an elevated intracellular copper concentration as compared to cultured control cells. A decreased ratio of copper to protein was observed in cytoplasmic protein (or proteins) having a molecular weight greater than or equal to 30,000 in Wilson's disease cells. The results of this culture study indicate its potential importance in the early unequivocal diagnosis of this disorder.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, W Y -- Cushing, W -- Coffman, M A -- Rennert, O M -- New York, N.Y. -- Science. 1980 Apr 18;208(4441):299-300.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7367859" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Age Factors ; Cadmium/metabolism ; Cells, Cultured ; Child ; Copper/metabolism ; Fibroblasts/metabolism ; Hepatolenticular Degeneration/diagnosis/*genetics/metabolism ; Humans ; Skin/metabolism
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    Human cutaneous lieshmania in a mouse macrophage line: propagation and isolation of intracellular parasites (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-09-12
    Description: A mouse macrophage line, J774G8, supports continuous and prolific intracellular growth of Leishmania mexicana amazonensis, the etiological agent of a South American cutaneous leishmaniasis. The intracellular parasites from these infected cultures can be isolated with high recovery rate and purity by simple Percoll gradient centrifugation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chang, K P -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1240-42.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403880" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Disease Models, Animal ; Humans ; Leishmania/growth & development ; Leishmaniasis/*parasitology/pathology ; Macrophages/*parasitology ; Mice
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    Strain dependence of the antiproliferative action of interferon on murine erythroid precursors (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-07-11
    Description: Electrophoretically pure mouse interferon inhibits erythropoietin-dependent proliferation of committed erythroid precursors (CFU-E) obtained either from adult mouse bone marrow or from 14-day fetal mouse livers. The degree of inhibition is significantly influenced by the genotype of the cell donor; about ten times as much interferon is required to inhibit proliferation of CFU-E from C57BL/6 than is needed for comparable inhibition of CFU-E from BALB/c or Swiss mice. These strain-dependent results point to the existence of genes that influence the degree of the inhibitory effect of interferon on cell multiplication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gallien-Lartigue, O -- Carrez, D -- De Maeyer, E -- De Maeyer-Guignard, J -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):292-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6155700" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow/drug effects/*physiology ; Cell Division/drug effects ; Embryo, Mammalian ; Erythropoiesis/*drug effects ; Female ; Interferons/*pharmacology ; Liver/drug effects/physiology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Species Specificity
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    New protein sequenator with increased sensitivity (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-02-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hunkapiller, M W -- Hood, L E -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):523-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352258" target="_blank"〉PubMed〈/a〉
    Keywords: *Amino Acid Sequence ; Animals ; Humans ; Mice ; *Proteins/genetics
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    Role of nitrogen dioxide in the biosynthesis of nitraosamines in mice (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-03-28
    Description: Groups of three to four mice were gavaged with aqueous solutions of 2 milligrams of morpholine, after which they were exposed to nitrogen dioxide in inhalation chambers at concentrations of 0.2 to 50 parts per million for up to 4 hours. At sequential intervals during the exposure, mice were frozen and pulverized in liquid nitrogen, and the mice powder was extracted with ice-cold 35 percent aqueous methanol and dichloromethane; organic-phase concentrates were analyzed for N-nitrosomorpholine with a thermal energy analyzer interfaced to a gas chromatograph. The N-nitrosomorpholine yields, ranging up to about 2.3 micrograms per mouse, were time-dependent relative to the duration of exposure to nitrogen dioxide and dose-dependent relative to the concentrations of nitrogen dioxide; control levels (in mice that were gavaged with morpholine or distilled water and then exposed to air instead of nitrogen dioxide) were less than 5 nanograms per mouse. These preliminary studies demonstrate the in vivo nitrosating potential of nitrogen oxides.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iqbal, Z M -- Dahl, K -- Epstein, S S -- New York, N.Y. -- Science. 1980 Mar 28;207(4438):1475-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361099" target="_blank"〉PubMed〈/a〉
    Keywords: Amines/metabolism ; Animals ; Ascorbic Acid/pharmacology ; Biotransformation ; Dose-Response Relationship, Drug ; Mice ; Morpholines/*metabolism ; Nitrogen Dioxide/antagonists & inhibitors/*metabolism ; Nitrosamines/*metabolism ; Time Factors
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    Natural killer cells help defend the body (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1980 Nov 7;210(4470):624-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6159684" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; Immunity, Cellular ; *Immunity, Innate ; Interferons/physiology ; Killer Cells, Natural/*immunology ; Mice ; Mice, Nude/immunology ; Neoplasms/*immunology ; Neoplasms, Experimental/immunology ; Virus Diseases/*immunology
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    Cell variants showing differential susceptibility to ultraviolet light--induced transformation (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-07-25
    Description: Six variant clones isolated from a subclone of BALB/3T3-A31 clone were classified into three groups according to their different susceptibilities to cell transformation by ultraviolet light irradiation: highly susceptible, intermediately susceptible, and resistant. All variant clones showed similar susceptibility to cytotoxic effects induced by ultraviolet light.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kakunaga, T -- Crow, J D -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):505-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7394516" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic/*radiation effects ; Clone Cells ; Dose-Response Relationship, Radiation ; Genetic Variation ; Mice ; Transformation, Genetic/*radiation effects ; *Ultraviolet Rays
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    Gyrate atrophy of the choroid and retina: improved visual function following reduction of plasma ornithine by diet (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-12-05
    Description: In a patient with gyrate atrophy of the choroid and retina, an arginine-deficient diet has reduced plasma ornithine concentration fivefold during the past 20 months. Subjective improvement in her visual function was noted approximately 15 months after institution of her diet. This has been documented by improvements in the electroretinogram, dark-adaptation, and color vision. The improvement involves rod and, to a lesser extent, cone function. The results, although preliminary and limited to a single patient, suggest that reduction of plasma ornithine with a low arginine diet is beneficial in this disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaiser-Kupfer, M I -- de Monasterio, F M -- Valle, D -- Walser, M -- Brusilow, S -- EY-02948/EY/NEI NIH HHS/ -- RR-52/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 5;210(4474):1128-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7444439" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Arginine ; Choroid/*pathology ; Color Perception/physiology ; Dark Adaptation ; Dietary Proteins ; Female ; Humans ; Ornithine/*blood ; Photoreceptor Cells/physiology ; Retinal Degeneration/*diet therapy/physiopathology ; Uveal Diseases/diet therapy ; Vision, Ocular
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  • 83
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    Hybridomas revisited (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-10-17
    Description: In the report by John C. Behrendt et al. "Aeromagnetic and radio echo ice-sounding measurements show much greater area of the Dufek Intrusion, Antarctica" (29 Aug., p. 1014), the word "expedition" should have read "exploitation" in line 13 of the first paragraph on page 1014. Also, in line 2 of the next to last paragraph on page 1016, "50 to 60 cm/sec(2)" should have read "50 to 60 (cm sec(2)) x 10(-3)."〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koprowski, H -- Croce, C -- New York, N.Y. -- Science. 1980 Oct 17;210(4467):248.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7423184" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antibodies ; Antibodies, Viral ; Cell Line ; *Clone Cells ; Mice ; *Patents as Topic ; Plasmacytoma/immunology
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    Schizophrenia: elevated cerebrospinal fluid norepinephrine (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-01-18
    Description: Concentrations of norepinephrine in cerebrospinal fluid are higher in schizophrenic patients, particularly in those with paranoid features, than in normal volunteer subjects of the same age. This observation supports recent reports of elevated concentrations of norepinephrine in specific brain areas adjacent to the cerebral ventricles of paranoid schizophrenic patients. Overflow of the amine from periventricular regions into the cerebrospinal fluid may reflect abnormally high release or diminished enzymatic destruction of norepinephrine in patients with schizophrenia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lake, C R -- Sternberg, D E -- van Kammen, D P -- Ballenger, J C -- Ziegler, M G -- Post, R M -- Kopin, I J -- Bunney, W E -- New York, N.Y. -- Science. 1980 Jan 18;207(4428):331-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7350667" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Blood Pressure ; Brain/metabolism ; Heart Rate ; Humans ; Norepinephrine/*cerebrospinal fluid ; Phenethylamines/metabolism ; Schizophrenia/*cerebrospinal fluid/physiopathology
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    Estimating cancer risks from low doses of ionizing radiation (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-09-12
    Description: Disagreements about the somatic risks from low doses of ionizing radiation stem from two difficulties fundamental to the logic of inference from observational data. First, precise direct estimation of small risks requires impracticably large samples. Second, precise estimates of low-dose risks based largely on high-dose data, for which the sample size requirements are more easily satisfied, must depend heavily on assumptions about the shape of the dose-response curve, even when only a few of the parameters of the theoretical form of the curve are unknown.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Land, C E -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1197-203.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403879" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Breast Neoplasms/epidemiology/etiology ; Cell Survival/radiation effects ; Dose-Response Relationship, Radiation ; Female ; Humans ; Leukemia, Radiation-Induced/etiology ; Mammography/adverse effects ; Models, Theoretical ; Neoplasms, Radiation-Induced/*etiology ; *Radiation, Ionizing ; Radioactive Fallout ; Risk ; Statistics as Topic
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    Absence of cross-tolerance to heroin in morphine-tolerant mice (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-04-04
    Description: Mice implanted with morphine pellets demonstrated a 30-fold increase in tolerance to subcutaneously administered morphine but showed no cross-tolerance to subcutaneously administered heroin. When given morphine intracerebroventricularly, the mice showed no tolerance to morphine or cross-tolerance to heroin. These observations depended on the presence of the morphine pellet. If the pellets were removed prior to determinations of potency, the expected responses--tolerance to morphine and cross-tolerance to heroin--were obtained. The blood-brain barrier may be a prime site for the expression of morphine tolerance in mice.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lange, D G -- Roerig, S C -- Fujimoto, J M -- Wang, R I -- New York, N.Y. -- Science. 1980 Apr 4;208(4439):72-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361110" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood-Brain Barrier/drug effects ; Drug Interactions ; Drug Tolerance ; Heroin/administration & dosage/*pharmacology ; Mice ; Morphine/administration & dosage/*pharmacology
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    Assignment of the murine interferon sensitivity and cytoplasmic superoxide dismutase genes to chromosome 16 (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-11
    Description: Both hybrids of mouse and human microcells and whole cell hybrids generated by the fusion of primary mouse cells and SV40-transformed human fibroblasts were used to establish the syntenic association of the murine cytoplasmic superoxide dismutase and the interferon sensitivity genes on mouse chromosome 16. This assignment adds two new markers to chromosome 16 and provides another example of an evolutionarily conserved linkage. This finding also provides an animal model both for cellular responsiveness to interferon and for Down's syndrome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, P F -- Slate, D L -- Lawyer, F C -- Ruddle, F H -- New York, N.Y. -- Science. 1980 Jul 11;209(4453):285-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6155698" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Viral ; *Chromosomes, Human, 16-18 ; *Genes ; Humans ; Hybrid Cells/drug effects/*physiology ; Interferons/*pharmacology ; Karyotyping ; Mice ; Simian virus 40 ; Superoxide Dismutase/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 88
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    Time: a new parameter for kinetic measurements in flow cytometry (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-01-11
    Description: The measure of time was used as an additional parameter on an existing flow cytometer to study the kinetics of enzyme activities and cell-stain interactions. By correlating all fluorescent signals from single cells with time, the dynamics of a reaction can be followed for several minutes. This advanced application of flow cytometry is easily implemented and can be incorporated into any flow cytometer that has two-parameter analysis capability.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, J C -- Swartzendruber, D E -- New York, N.Y. -- Science. 1980 Jan 11;207(4427):199-201.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6153131" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cells, Cultured/enzymology ; Computers ; Cricetinae ; *Cytological Techniques ; DNA/metabolism ; Esterases/metabolism ; Kinetics ; Mice ; Spectrometry, Fluorescence/methods ; Staining and Labeling
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 89
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    Opiate receptor function may be modulated through an oxidation-reduction mechanism (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-06-06
    Description: Cupric ion, a thiol oxidant, caused naloxone-reversible analgesia when injected intracerebroventricularly in mice; its potency was close to that of morphine. Dithiothreitol, a thiol reductant, reversed the analgesia induced by cupric ion and antagonized analgesia induced by morphine. Oxidized dithiothreitol had no effect. These findings, together with evidence for redox modification of opiate receptor binding in vitro, suggest that a mechanism of oxidation-reduction of thiols may modulate opiate receptor function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marzullo, G -- Hine, B -- New York, N.Y. -- Science. 1980 Jun 6;208(4448):1171-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6246583" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/*physiology ; Copper/antagonists & inhibitors/*pharmacology ; Dithiothreitol/pharmacology ; Male ; Mice ; Naloxone/pharmacology ; Oxidation-Reduction ; Pain/*physiopathology ; Rats ; Receptors, Opioid/drug effects/*physiology ; Sulfhydryl Compounds/pharmacology ; Zinc/pharmacology
    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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  • 90
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    New techniques for selective immune suppression increase transplant odds (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maugh, T A 2nd -- New York, N.Y. -- Science. 1980 Oct 3;210(4465):44-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6774417" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antilymphocyte Serum/therapeutic use ; Blood Transfusion ; Bone Marrow Transplantation ; Cyclosporins ; Drainage ; *Graft Survival/drug effects ; Haplorhini ; Heart Transplantation ; Humans ; Immunosuppression/*methods ; Immunosuppressive Agents/therapeutic use ; Infection Control ; Kidney Transplantation ; Lung Transplantation ; Lymphatic System/radiation effects ; Lymphocyte Depletion ; Mice ; Peptides, Cyclic/therapeutic use ; Rats ; T-Lymphocytes/drug effects/immunology ; Thoracic Duct/surgery ; Transplantation, Homologous
    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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  • 91
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    At least three human type alpha interferons: structure of alpha 2 (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-19
    Description: The sequence of a human leukocyte-derived complementary DNA (cDNA), Hif-2h, which directs the formation in Escherichia coli of a polypeptide, IFN-alpha 1, with interferon (IFN) activity has been described. A second IFN cDNA, Hif-SN206, which also elicits synthesis of a biologically active IFN, IFN-alpha 2, is described in this article. Whereas IFN-alpha 2 is twice as active on human as on bovine cells, IFN-alpha 1 is 10 to 20 times more active on bovine than on human cells. As deduced from the cDNA's, the messenger RNA's for the two IFN's differ in length and in 20 percent of the nucleotides; the mature IFN polypeptides differ in 17 percent of the amino acids. Both IFN-alpha 1 and IFN-alpha 2 differ from the lymphoblastoid IFN described by others. Therefore, at least three different IFN-alpha genes are expressed in man; studies on genomic DNA reveal the presence of at least eight IFN-related genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Streuli, M -- Nagata, S -- Weissmann, C -- New York, N.Y. -- Science. 1980 Sep 19;209(4463):1343-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6158094" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; DNA, Recombinant ; Escherichia coli/genetics ; Genes ; Humans ; *Interferons/genetics ; Leukocytes ; Lymphocytes ; Mice ; RNA, Messenger/genetics ; Structure-Activity Relationship
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  • 92
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    Biochemical analysis of human T lymphocyte differentiation antigens T4 and T5 (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-07-25
    Description: Two major functionally distinct T cell subsets in man have been defined with heteroantiserums and monoclonal antibodies directed against stable cell surface antigens that appear during thymic ontogeny. A monoclonal antibody to T4 antigen (anti-T4) is reactive with the peripheral inducer T cell population while a monoclonal antibody to T5 antigen (anti-T5) is reactive with the cytotoxic and suppressor population. Immunoprecipitation and electrophoresis on sodium dodecyl sulfate polyacrylamide gel were used to show that on human thymocytes or peripheral T cells the T4 antigen is a single 62,000-dalton glycoprotein while the T5 antigen is a complex of two glycoproteins, one being 30,000 daltons and the other 32,000 daltons. Similar glycoproteins have been isolated with antibodies to murine Lyt 1 and Lyt 2,3 antigens. Both the antigens defining the phenotypes of inducer and suppressor populations in man and mouse are structurally homologous.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Terhorst, C -- van Agthoven, A -- Reinherz, E -- Schlossman, S -- New York, N.Y. -- Science. 1980 Jul 25;209(4455):520-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6967228" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies ; Antigens, Surface/*analysis ; Electrophoresis, Polyacrylamide Gel ; Glycoproteins/analysis ; Humans ; Mice ; Molecular Weight ; T-Lymphocytes/*immunology ; Thymus Gland/immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    Mouse interferons: amino terminal amino acid sequences of various species (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-01
    Description: Mouse interferons of three size classes (A, 35,000 to 40,000 daltons; B, 26,000 to 33,000 daltons; and C, 20,000 daltons) were purified from Ehrlich ascites tumor cells infected with Newcastle disease virus. The sequences of the first 24 amino acids (No. 17 has not been identified) of interferons A and B are identical. The sequence of the first 20 amino acids of interferon C differs from that of A and B in 18 positions. There is partial homology in amino terminal sequence between mouse interferons A (or B) and a human fibroblast interferon and between mouse interferon C and a human lymphoblastoid interferon.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taira, H -- Broeze, R J -- Jayaram, B M -- Lengyel, P -- Hunkapiller, M W -- Hood, L E -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):528-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352261" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Biological Evolution ; Carcinoma, Ehrlich Tumor/analysis ; Cells, Cultured ; Glycoproteins/analysis ; *Interferons/genetics ; Mice ; Molecular Weight
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  • 94
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    Cigarette smoking associated with sleep difficulty (1980)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1980-02-01
    Description: A group of 50 smokers experienced greater sleep difficulty than a group of 50 nonsmokers matched by age and sex. The two groups did not differ in personality patterns or drug consumption. Also, sleep patterns significantly improved in a group of eight chronic smokers when they abstained from cigarette smoking. These findings are consistent with reports on the stimulant effects of nicotine.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Soldatos, C R -- Kales, J D -- Scharf, M B -- Bixler, E O -- Kales, A -- New York, N.Y. -- Science. 1980 Feb 1;207(4430):551-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7352268" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Coffee/adverse effects ; Female ; Humans ; Male ; Sleep Stages ; Sleep Wake Disorders/*etiology ; Smoking/*complications ; Substance Withdrawal Syndrome/physiopathology
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  • 95
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    Deficient natural killer cell activity in x-linked lymphoproliferative syndrome (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-31
    Description: The activity of natural killer cells was found to be deficient in 10 of 12 males with X-linked lymphoproliferative syndrome, a life-threatening proliferation of lymphocytes after infection by Epstein-Barr virus. The activity levels of natural killer cells from affected males were increased after treatment with interferon in vitro, but normal levels of killing were not obtained. Deficient activity of killer cells in individuals with immunodeficiency and chronic infection by Epstein-Barr virus may contribute to the development of lymphoproliferative disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sullivan, J L -- Byron, K S -- Brewster, F E -- Purtilo, D T -- CA 23561-01/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1980 Oct 31;210(4469):543-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6158759" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Child ; Child, Preschool ; Cytotoxicity, Immunologic ; Female ; Humans ; *Immunity, Innate ; Immunologic Deficiency Syndromes/*genetics ; Infectious Mononucleosis/immunology ; Interferons/pharmacology ; Killer Cells, Natural/*immunology ; Lymphoproliferative Disorders/genetics/*immunology ; Male ; X Chromosome
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
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    UCLA gene therapy racked by friendly fire (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-10-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wade, N -- New York, N.Y. -- Science. 1980 Oct 31;210(4469):509-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6932738" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Marrow Cells ; Ethics Committees, Research ; Gene Expression Regulation ; *Genes ; Genetic Engineering/*methods ; Globins/*genetics ; Humans ; Mice ; Risk Assessment ; Thalassemia/*genetics ; Universities
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  • 97
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    Modulation of epidermal growth factor receptors on 3T3 cells by platelet-derived growth factor (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-19
    Description: Platelet-derived growth factor does not compete with epidermal growth factor (EGF) for binding to EGF receptors on the murine 3T3 cell surface, but it modulates EGF receptors in two ways: (i) it induces a transient down regulation of EGF receptors and (ii) it inhibits EGF-induced down regulation of EGF receptors. These data suggest a common cellular internalization mechanism for the receptors for both hormones.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wrann, M -- Fox, C F -- Ross, R -- AM-25826/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1980 Dec 19;210(4476):1363-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6254158" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Binding, Competitive ; Blood Platelets/*physiology ; Cell Line ; Endocytosis ; Epidermal Growth Factor/*metabolism ; Growth Substances/*pharmacology ; Mice ; Peptides/*metabolism/*pharmacology ; Platelet-Derived Growth Factor ; Receptor, Epidermal Growth Factor ; Receptors, Cell Surface/*drug effects/metabolism
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  • 98
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    Auditory brainstem anomalies in human albinos (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-09-12
    Description: Brainstem auditory evoked potentials recorded from human albinos indicate significant hemispheric asymmetry. The asymmetry is symptomatic of differences between decussated and nondecussated auditory pathways in albino and pigmented humans at approximately the level of the superior olivary nuclei. Abnormal decussation of auditory pathways in albinos probably coincides with known visual system anomalies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Creel, D -- Garber, S R -- King, R A -- Witkop, C J Jr -- New York, N.Y. -- Science. 1980 Sep 12;209(4462):1253-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7403883" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Albinism/*physiopathology ; Auditory Pathways/*physiopathology ; Brain Stem/*physiopathology ; Evoked Potentials ; Female ; Functional Laterality ; Humans ; Male ; Olivary Nucleus/physiopathology
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  • 99
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    Acquisition of a memory skill (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-06-06
    Description: After more than 230 hours of practice in the laboratory, a subject was able to increase his memory span from 7 to 79 digits. His performance on other memory tests with digits equaled that of memory experts with lifelong training. With an appropriate mnemonic system, there is seemingly no limit to memory performance with practice.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ericcson, K A -- Chase, W G -- Faloon, S -- New York, N.Y. -- Science. 1980 Jun 6;208(4448):1181-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7375930" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Association Learning/physiology ; Humans ; Male ; Memory/*physiology ; Memory, Short-Term/physiology ; Time Factors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    Relation of mammalian sperm chromatin heterogeneity to fertility (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-12-05
    Description: Flow cytometry of heated sperm nuclei revealed a significant decrease in resistance to in situ denaturation of spermatozoal DNA in samples from bulls, mice, and humans of low or questionable fertility when compared with others of high fertility. Since thermal denaturation of DNA in situ depends on chromatin structure, it is assumed that changes in sperm chromatin conformation may be related to the diminished fertility. Flow cytometry of heated sperm nuclei may provide a new and independent determinant of male fertility.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Evenson, D P -- Darzynkiewicz, Z -- Melamed, M R -- New York, N.Y. -- Science. 1980 Dec 5;210(4474):1131-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7444440" target="_blank"〉PubMed〈/a〉
    Keywords: Acridine Orange ; Animals ; Cattle ; Cell Nucleus/ultrastructure ; Chromatin/*ultrastructure ; *Fertility ; Hot Temperature ; Humans ; Infertility, Male/*pathology ; Male ; Mice ; Nucleic Acid Denaturation ; Sperm Head/*ultrastructure ; Spermatozoa/*physiology/*ultrastructure ; Zinc/deficiency
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