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  • Articles  (1,905)
  • Humans  (1,574)
  • Mice  (476)
  • 1980-1984  (1,905)
  • Medicine  (1,905)
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  • Articles  (1,905)
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  • 1
    Electronic Resource
    Electronic Resource
    Effects of pre- and post-irradiation glucan treatment on pluripotent stem cells, granulocyte, macrophage and erythroid progenitor cells, and hemopoietic stromal cells (1984)
    Springer
    Cellular and molecular life sciences 40 (1984), S. 1240-1244 
    Details
    ISSN: 1420-9071
    Keywords: Mice ; glucan treatment ; Co60-irradiation ; stem cells, pluripotent ; granulocytes ; macrophages ; erythroid progenitor cells ; hemopoietic stomal cells ; hemopoiesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Glucan, a beta-1, 3 polyglucose, was administered to mice either 1 h before or 1 h after a 650 rad exposure to cobalt-60 radiation. Compared to radiation controls, glucan-treated mice consistantly exhibited a more rapid recovery of pluripotent stem cells and committed granulocyte, macrophage, and erythroid progenitor cells. This may partially explain the mechanism by which glucan also enhances survival in otherwise lethally irradiated mice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01946654
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  • 2
    Electronic Resource
    Electronic Resource
    Metabolites of vitamin D in normal and X-linked hypophosphatemic mice (1984)
    Springer
    Calcified tissue international 36 (1984), S. 662-667 
    Details
    ISSN: 1432-0827
    Keywords: Vitamin D ; Hyp ; X-linked hypophosphatemia ; Metabolic bone disease ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary Hyp mice are a model for human X-linked hypophosphatemia (vitamin D-resistant rickets.) To determine whether an abnormality of vitamin D metabolism exists in this disease, the profiles of the metabolites of vitamin D were determined in normal andHyp mouse plasma.Hyp and normal mice were fed a vitamin D-deficient diet and received 1,23H-vitamin D3 at 16 Ci/mmol by stomach tube at 5 ng/g body weight (0.21 µCi/g b.w.) on alternate days for 14 days. The dose of vitamin D given maintained near normal plasma 25-OH-vitamin D. Thus the mice were in a vitamin D-replete state with all metabolite pools labeled with3H. Plasma was collected from 4 normal and 4Hyp mice. The plasma was extracted, and the extracts were chromatographed separately for each mouse on an LH-20 column. Each major peak of radioactivity was rechromatographed using high performance liquid chromatography on a Zorbax-Sil column using solvent systems known to resolve several vitamin D metabolites. Twenty-one radioactive peaks were identified. The disintegrations per minute of3H in each peak were quantified and converted to plasma concentration using the known specific activity of the administered vitamin D. The 25-OH-vitamin D accounted for 55% of the circulating radioactivity, and 24,25-(OH)2-vitamin D accounted for 22%. The plasma levels of 24,25-(OH)2-vitamin D were similar to levels previously reported by us using protein binding assays. No peaks of radioactivity were missing in the plasma extracts of theHyp mice. Also there was no evidence that plasma 24,25-(OH)2-vitamin D was elevated in theHyp mice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02405387
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  • 3
    Electronic Resource
    Electronic Resource
    Flow cytometric analysis of mouse hepatocyte ploidy (1984)
    Springer
    Cell & tissue research 238 (1984), S. 643-647 
    Details
    ISSN: 1432-0878
    Keywords: Binucleate cells ; Flow cytometry ; Hepatocytes ; Polyploidy pattern ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Preparative and mathematical procedures are presented for the investigation of the ploidy pattern of liver cells. The DNA content of enzymatically-isolated liver cells and of nuclei was measured by flow cytometry. The true DNA content could not be measured directly due to superposition of statistical coincidences (demanding “first mode correction”) and incomplete separation of the nuclei in binucleate hepatocytes (demanding “second mode correction”). The statistical coincidences (caused by simultaneous measurement of two or more particles or subsequent reaggregation of particles) were corrected by splitting the “unnatural” i.e., aneuploid DNA content, and classifying it with the normal ploidy classes. In addition, the higher normal ploidy classes were reduced by the proportion of the measured coincidences in favour of the lower ones. The second mode correction applied to nuclear distributions only. It is a probability calculation based on counting nuclear pairs on microscope slides, and resulted in a 10% increase of diploid nuclei and a larger standard deviation between the age groups. 8c and 16c values were reduced. The tetraploid values were unchanged.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00219883
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  • 4
    Electronic Resource
    Electronic Resource
    Unimpaired delayed type hypersensitivity reactions in mice infected withTrypanosoma cruzi strain Y (1980)
    Springer
    Parasitology research 61 (1980), S. 179-185 
    Details
    ISSN: 1432-1955
    Keywords: Trypanosoma cruzi ; Delayed hypersensitivity ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Delayed type hypersensitivity reactions (DTH) to DNFB in C3H (susceptible) and (CBA×C57B1/10)F1 (resistant) mice were not impaired inTrypanosoma cruzi strain Y infections. Mice were infected IP with 100 parasites and sensitized or challenged 11 days after infection at the peak of parasitaemia. DTH reactions were found to be enhanced in C3H infected mice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00925463
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  • 5
    Electronic Resource
    Electronic Resource
    The growth ofHymenolepis microstoma in intact and gonadectomized mice (1980)
    Springer
    Parasitology research 61 (1980), S. 243-247 
    Details
    ISSN: 1432-1955
    Keywords: Hymenolepis microstoma ; Mice ; Orchiectomy ; Ovariectomy ; Growth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Gonadectomy or sex of the host had no effect on the mean dry weight ofHymenolepis microstoma examined on day 12 postinfection (p.i.). However, on day 20 p.i. worms from intact or sham-operated male mice were significantly heavier than those recovered from the corresponding groups of female hosts. Orchiectomy of hosts lowered the average weight of these older worms, but ovariectomy had no effect.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00925515
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  • 6
    Electronic Resource
    Electronic Resource
    Humoral suppression inTrypanosoma cruzi infection in relation to the timing of antigen presentation (1980)
    Springer
    Parasitology research 64 (1980), S. 85-93 
    Details
    ISSN: 1432-1955
    Keywords: Trypanosoma cruzi ; Immunosuppression ; Immunenhancement ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract (CBA×C57 B1/10)F1 mice infected intraperitoneally with 100 parasites ofTrypanosoma cruzi strain Y developed an infection with acute and chronic phases. Humoral suppression to sheep red blood cells was evident in both phases but enhancement of the response was achieved only at the beginning of the infection. A mitogen secreted by the parasite could explain both phenomenons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00927059
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  • 7
    Electronic Resource
    Electronic Resource
    On the uptake of exogenous catecholamines by adrenal chromaffin cells and nerve endings (1981)
    Springer
    Cell & tissue research 221 (1981), S. 371-383 
    Details
    ISSN: 1432-0878
    Keywords: Catecholamines ; Chromaffin cells ; Nerve endings ; Adrenal gland ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Light-microscopic autoradiography has revealed characteristic labelling patterns in adrenal medullary cells following the intravenous administration of different catecholamines. The uptake patterns for [3H] dopa, [3H] dopamine, [3H] noradrenaline and [3H] adrenaline have been compared. In all cases A cells were more active than NA cells and cells situated in the zone nearest the cortex demonstrated a markedly higher rate of uptake than central cells. It was concluded that adjacent chromaffin cells with very similar morphology may differ as much as 50 fold in their capacities to incorporate exogenous amines. The adrenergic nature of the innervation of the vessels of the adrenal cortex and capsule in the mouse was confirmed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00216741
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  • 8
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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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  • 9
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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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  • 10
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    Whale meat in the Japanese diet (1980)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1980-05-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brownell, R L Jr -- Omura, H -- New York, N.Y. -- Science. 1980 May 30;208(4447):976.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7189604" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; Japan ; Meat/*analysis ; Organomercury Compounds/*analysis ; Whales
    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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