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  • Articles  (629)
  • Male  (627)
  • Lipids
  • 1980-1984  (629)
  • Medicine  (629)
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  • Articles  (629)
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  • 1
    Electronic Resource
    Electronic Resource
    Lipid composition of two types of chondrocytes in primary culture (1981)
    Springer
    Calcified tissue international 33 (1981), S. 403-407 
    Details
    ISSN: 1432-0827
    Keywords: Chondrocytes ; Articular cartilage ; Epiphyseal cartilage ; Primary culture ; Lipids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary Chondrocytes from articular and growth plate cartilage were grown in primary culture. The lipid content, distribution into different types, as well as the fatty acid patterns of these lipids were compared when the cells had reached stationary phase and were synthesizing maximal amounts of proteoglycans. Numerous significant differences were observed, depending on the origin of the chondrocytes. In particular, growth plate chondrocytes showed increased dry weight, increased lipid content (phosphatides and triglycerides), and decreased cholesterol to phosphatide ratio when compared to articular chondrocytes; they also incorporated more of C18:1 and less C16:0 into their major lipid types. Whether these differences arise from specific metabolic regulation or are a consequence of chondrocyte organization in primary culture remains unclear.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02409463
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Lipid storage in cultured articular chondrocytes due to prostanoid precursors and a prostanoid synthesis inhibitor (1982)
    Springer
    Cell & tissue research 224 (1982), S. 441-448 
    Details
    ISSN: 1432-0878
    Keywords: Chondrocyte culture ; Prostanoid precursors ; Indomethacin ; Lipids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Lapine articular chondrocytes were subcultured in the presence or absence of the prostanoid precursors, arachidonic acid or dihomo-gammalinolenic acid, and the cyclooxygenase inhibitor indomethacin. Lipid storage was studied microscopically using the Sudan black staining method. Control chondrocyte cultures showed a weakly positive staining reaction until confluence was reached, at which point the intra-cytoplasmic lipid content decreased. Both arachidonic acid and dihomo-gamma-linolenic acid at 100 μmol/l caused a marked increase in lipid storage which continued even after confluence was achieved. 1 μmol/l concentrations were indistinguishable from controls, whereas 10 μmol/l concentrations elicited a slight increase in lipid storage compared with controls. The prostaglandin cyclooxygenase inhibitor indomethacin did not affect chondrocyte lipid storage. However, administration of a prostanoid precursor in the presence of indomethacin caused a massive increase in intra-cytoplasmic storage of lipid, eventually leading to cell death. A possible explanation is that indomethacin may alter chondrocyte lipid metabolism in the presence of substrate molecules by rechanneling lipid synthesis away from the prostaglandin pathway to other lipid synthetic pathways.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00216885
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  • 3
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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
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Amino acid acylation: a mechanism of nitrogen excretion in inborn errors of urea synthesis (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-02-08
    Description: Treatment of a patient deficient in carbamyl phosphate synthetase with benzoate or phenylacetic acid resulted in an increase in urinary nitrogen, which could be accounted for by the respective amino acid acylation product, hippurate or phenylacetylgultamine. Benzoate treatment of four hyperammonemic comatose patients led to clinical improvement and a return of plasma ammonium levels toward normal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brusilow, S -- Tinker, J -- Batshaw, M L -- New York, N.Y. -- Science. 1980 Feb 8;207(4431):659-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6243418" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Amino Acid Metabolism, Inborn Errors/*drug therapy ; Amino Acids/blood ; Ammonia/blood ; Benzoates/*therapeutic use ; Carbamoyl-Phosphate Synthase (Ammonia)/*deficiency ; Child ; Female ; Glutamine/metabolism ; Glycine/metabolism ; Hippurates/urine ; Humans ; Infant ; Male ; Nitrogen/blood ; *Ornithine Carbamoyltransferase Deficiency Disease ; Phenylacetates/*therapeutic use ; Phosphotransferases/*deficiency
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Immunofluorescence of NADPH-cytochrome c (P-450) reductase in rat and minipig tissues injected with phenobarbital (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-06-27
    Description: The enzyme NADPH-cytochrome c (P-450) reductase was identified by indirect immunofluorescence in hepatocytes, bronchioles, and proximal tubules of liver, lung, and kidney, respectively, of rats and minipigs that had been injected with phenobarbital or saline. The distribution of this component of the cytochrome P-450-mediated microsomal system may be relevant to sites of drug toxicity and carcinogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dees, J H -- Coe, L D -- Yasukochi, Y -- Masters, B S -- New York, N.Y. -- Science. 1980 Jun 27;208(4451):1473-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6770464" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Fluorescent Antibody Technique ; Kidney/drug effects/*enzymology ; Liver/drug effects/*enzymology ; Lung/drug effects/*enzymology ; Male ; NADPH-Ferrihemoprotein Reductase/*metabolism ; Organ Specificity ; Phenobarbital/*pharmacology ; Rats
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Reorganization of the axon membrane in demyelinated peripheral nerve fibers: morphological evidence (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-11-07
    Description: Cytochemical staining of demyelinated peripheral axons revealed two types of axon membrane organization, one of which suggests that the demyelinated axolemma acquires a high density of sodium channels. Ferric ion-ferrocyanide stain was confined to a restricted region of axon membrane at the beginning of a demyelinated segment or was distributed throughout the demyelinated segment of axon. The latter pattern represents one possible morphological correlate of continuous conduction through a demyelinated segment and suggests a reorganization of the axolemma after demyelination.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Foster, R E -- Whalen, C C -- Waxman, S G -- NS-15320/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1980 Nov 7;210(4470):661-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6159685" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Demyelinating Diseases/metabolism/*pathology ; Disease Models, Animal ; Ion Channels/*metabolism ; Male ; Neural Conduction ; Neurilemma/*metabolism/pathology ; Rats ; Staining and Labeling
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Occupational lead exposure: what are the risks? (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-04-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, W C -- New York, N.Y. -- Science. 1980 Apr 11;208(4440):129-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7361111" target="_blank"〉PubMed〈/a〉
    Keywords: Carcinogens, Environmental ; Epidemiologic Methods ; Humans ; Lead Poisoning/*epidemiology/mortality ; Male ; Occupational Diseases/*chemically induced/epidemiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
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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
    Published by American Association for the Advancement of Science (AAAS)
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  • 9
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    Antibodies to cerebroside sulfate inhibit the effects of morphine and beta-endorphin (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-01-04
    Description: Morphine and beta-endorphin inhibit the shaking response of pentobarbital-anesthetized rats to ice water. Stereotaxically guided administration of antibodies to cerebroside sulfate into the periaqueductal gray region, the most sensitive brain region in which to demonstrate inhibition of this response, antagonizes the effect of morphine and beta-endorphin. These results suggest that cerebroside sulfate may be an integral component of an opiate receptor in rat brain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Craves, F B -- Zalc, B -- Leybin, L -- Baumann, N -- Loh, H H -- New York, N.Y. -- Science. 1980 Jan 4;207(4426):75-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6243189" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigen-Antibody Reactions ; Behavior, Animal/drug effects ; Biological Assay ; Brain/*immunology ; Cerebral Aqueduct ; Endorphins/*antagonists & inhibitors ; Male ; Morphine/*antagonists & inhibitors ; Pentobarbital/pharmacology ; Rats ; Receptors, Opioid/*immunology ; Sulfoglycosphingolipids/*immunology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 10
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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
    Published by American Association for the Advancement of Science (AAAS)
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