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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1983-5-5
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pubmed:abstractText |
Phospholipid metabolisms in rat mast cells activated by ionophore A23187 and compound 48/80 were examined with reference to 'phosphatidylinositol (PI) cycle'. The addition of A23187 to [3H]glycerol-prelabeled mast cells induced a marked accumulation of the radioactivity in 1,2-diacylglycerol(DG) and phosphatidic acid(PA) within 10 to 30 sec. A great enhancement of [3H]glycerol incorporation into PA and PI was also detected during histamine release. On the other hand, 48/80 was far less effective than A23187 both in producing 1,2- DG and PA and in accerelating [3H]glycerol incorporation into PA and PI, despite the comparable ability of histamine release. The activity of Ca2+ uptake into mast cells, as measured by pulse-labeling with 45Ca2+, was increased when exposed to both of two agents. These data provide circumstantial evidence that phospholipid metabolisms, mainly de novo PI synthesis, may be a part of the triggering events for Ca2+ mobilization and secretory process. The PI metabolism induced by two different stimulants appears to behave in a different manner.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Calcimycin,
http://linkedlifedata.com/resource/pubmed/chemical/Glycerol,
http://linkedlifedata.com/resource/pubmed/chemical/Histamine,
http://linkedlifedata.com/resource/pubmed/chemical/Phosphatidylinositols,
http://linkedlifedata.com/resource/pubmed/chemical/p-Methoxy-N-methylphenethylamine
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
0006-291X
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
16
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pubmed:volume |
111
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
581-7
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:6404272-Animals,
pubmed-meshheading:6404272-Calcimycin,
pubmed-meshheading:6404272-Glycerol,
pubmed-meshheading:6404272-Histamine,
pubmed-meshheading:6404272-Mast Cells,
pubmed-meshheading:6404272-Phosphatidylinositols,
pubmed-meshheading:6404272-Rats,
pubmed-meshheading:6404272-Rats, Inbred Strains,
pubmed-meshheading:6404272-p-Methoxy-N-methylphenethylamine
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pubmed:year |
1983
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pubmed:articleTitle |
Evidence for de novo synthesis of phosphatidylinositol coupled with histamine release in activated rat mast cells.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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