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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
|
pubmed:dateCreated |
1978-3-21
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pubmed:abstractText |
The distribution and movements of 45Ca were investigated in lung slice preparations obtained from rats. The accumulation of 45Ca was measured in either 5.0 mM Ca2+, 0.5 mM Ca2+ or 0-Ca solutions. The 45Ca tissue to medium ratio was greatest in the 0-Ca solution; the presence of either 5.0 mM Ca2+ or 0.5 mM Ca2+ reduced this ratio 8- and 5-fold, respectively. Efflux of 45Ca indicated that there are at least two washout components. Exposure to either La3+ or Sr2+ (0.5 mM) during the washout resulted in a transient increase in 45Ca efflux (Sr2+ greater than La3+), whereas 0 degrees C slowed the loss of 45Ca. Uptake of 45Ca was increased by the metabolic inhibitor iodoacetic acid and inhibited in the presence of either La3+ or Sr2+. These findings indicate that the 45Ca accumulated within the lung is not readily depleted and a portion appears to accumulate at intracellular or less superficial sites or stores.
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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 |
Nov
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pubmed:issn |
0301-4533
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
230
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
31-41
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:603308-Animals,
pubmed-meshheading:603308-Calcium,
pubmed-meshheading:603308-Iodoacetates,
pubmed-meshheading:603308-Lanthanum,
pubmed-meshheading:603308-Lung,
pubmed-meshheading:603308-Male,
pubmed-meshheading:603308-Osmolar Concentration,
pubmed-meshheading:603308-Rats,
pubmed-meshheading:603308-Strontium,
pubmed-meshheading:603308-Temperature,
pubmed-meshheading:603308-Time Factors
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pubmed:year |
1977
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pubmed:articleTitle |
Characteristics of 45Ca uptake and efflux in rat lung slices.
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pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, U.S. Gov't, P.H.S.
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