Source:http://linkedlifedata.com/resource/pubmed/id/12244566
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
2002-9-23
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pubmed:abstractText |
Thyrotropin-releasing hormone (TRH) may stimulate lactotrophs to increase intracellular Ca(2+) and to secrete prolactin (PRL). In this study, PRL contents in lactotrophs were determined by the sequential cell immunoblot assay (SCIBA) and their changes in intracellular Ca(2+) was analyzed by confocal microscopy. Significant correlations were found in the corresponding parameters between TRH treatments with a recovery interval of 2 h. Measuring the PRL contents after the first TRH treatment and then determining the intracellular Ca(2+) changes after the second TRH treatment revealed four lactotroph subpopulations. Type I cells (51%) showed significant responses of both PRL secretion and intracellular Ca(2+) concentration. Type II cells (22%) increased in PRL secretion, but without changes in intracellular Ca(2+). Type III cells (17%) have increased in intracellular Ca(2+), but without changes in PRL secretion. Type IV cells (10%) did not show changes in PRL secretion and intracellular Ca(2+).
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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:issn |
0730-2312
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pubmed:author | |
pubmed:copyrightInfo |
Copyright 2002 Wiley-Liss, Inc.
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pubmed:issnType |
Print
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pubmed:volume |
87
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
126-32
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pubmed:dateRevised |
2007-11-15
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pubmed:meshHeading |
pubmed-meshheading:12244566-Animals,
pubmed-meshheading:12244566-Calcium,
pubmed-meshheading:12244566-Cells, Cultured,
pubmed-meshheading:12244566-Dose-Response Relationship, Drug,
pubmed-meshheading:12244566-Immunoblotting,
pubmed-meshheading:12244566-Intracellular Fluid,
pubmed-meshheading:12244566-Kinetics,
pubmed-meshheading:12244566-Male,
pubmed-meshheading:12244566-Microscopy, Confocal,
pubmed-meshheading:12244566-Pituitary Gland, Anterior,
pubmed-meshheading:12244566-Prolactin,
pubmed-meshheading:12244566-Rats,
pubmed-meshheading:12244566-Rats, Wistar,
pubmed-meshheading:12244566-Statistics as Topic,
pubmed-meshheading:12244566-Thyrotropin-Releasing Hormone
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pubmed:year |
2002
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pubmed:articleTitle |
Prolactin secretion and intracellular Ca(2+) change in rat lactotroph subpopulations stimulated by thyrotropin-releasing hormone.
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pubmed:affiliation |
Institute of Biochemistry, Chung Shan Medical University, Taichung, Taiwan, Republic of China.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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