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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
12
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pubmed:dateCreated |
1992-1-7
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pubmed:abstractText |
Adrenalectomized rats were implanted with pellets containing corticosterone in proportions varying from 0% to 100%, plus cholesterol. Stable levels of plasma corticosterone resulted, varying from close to zero (I) to physiologic (II) to supraphysiologic (III). Whole body protein synthesis (S) was measured during fasting by a technique involving injection of [1-14C]-leucine, analysis of expired air for 14CO2, and measurement of urinary excretion of urea N plus ammonia N (C). Whole body breakdown (B) during fasting was calculated as the sum of S and C. C rose progressively from I to III, but fractional oxidation of 14C leucine was lowest in II. Both S and B were markedly reduced in I and maximal in II. In III, S fell but B remained high. Thus variations in glucocorticoid levels above and below physiologic exert profound effects on leucine oxidation and protein turnover, involving effects on both synthesis and breakdown.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0026-0495
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
40
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1263-7
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:1961118-Adrenalectomy,
pubmed-meshheading:1961118-Animals,
pubmed-meshheading:1961118-Corticosterone,
pubmed-meshheading:1961118-Leucine,
pubmed-meshheading:1961118-Male,
pubmed-meshheading:1961118-Nitrogen,
pubmed-meshheading:1961118-Oxidation-Reduction,
pubmed-meshheading:1961118-Protein Biosynthesis,
pubmed-meshheading:1961118-Proteins,
pubmed-meshheading:1961118-Rats,
pubmed-meshheading:1961118-Rats, Inbred Strains
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pubmed:year |
1991
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pubmed:articleTitle |
Effect of corticosterone administration at varying levels on leucine oxidation and whole body protein synthesis and breakdown in adrenalectomized rats.
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pubmed:affiliation |
Department of Pharmacology and Molecular Sciences, Johns Hopkins University, School of Medicine, Baltimore, MD 21205.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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