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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
1992-5-20
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pubmed:abstractText |
It has recently been suggested that platelet-activating factor is involved in a number of processes associated with reproductive biology. We have demonstrated a critical role for this autacoid in the initiation and maintenance of parturition both in animals and man. In the present investigation, it has been demonstrated that platelet-activating factor affects contraction in strips of human myometrium at concentrations as low as 10(-10) mol/L. A platelet-activating factor receptor has been identified and characterized in human myometrium. Platelet-activating factor acts to cause an increase in intracellular Ca2+ concentration of isolated myometrial smooth muscle cells in culture and an increase in the phosphorylation of the 20 kd light chain of myosin in a concentration-dependent fashion. The presence of platelet-activating factor receptors in human myometrium, the observed increase in Ca2+ concentration and phosphorylation of myosin light chain in the presence of platelet-activating factor provide further support for the importance of this autacoid in the initiation of parturition.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
AIM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Calcium,
http://linkedlifedata.com/resource/pubmed/chemical/Myosins,
http://linkedlifedata.com/resource/pubmed/chemical/Platelet Activating Factor,
http://linkedlifedata.com/resource/pubmed/chemical/Platelet Membrane Glycoproteins,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Cell Surface,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, G-Protein-Coupled,
http://linkedlifedata.com/resource/pubmed/chemical/platelet activating factor receptor
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
0002-9378
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
166
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pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
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pubmed:pagination |
1222-7
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
pubmed-meshheading:1314480-Binding Sites,
pubmed-meshheading:1314480-Calcium,
pubmed-meshheading:1314480-Cells, Cultured,
pubmed-meshheading:1314480-Female,
pubmed-meshheading:1314480-Humans,
pubmed-meshheading:1314480-Intracellular Membranes,
pubmed-meshheading:1314480-Myometrium,
pubmed-meshheading:1314480-Myosins,
pubmed-meshheading:1314480-Osmolar Concentration,
pubmed-meshheading:1314480-Phosphorylation,
pubmed-meshheading:1314480-Platelet Activating Factor,
pubmed-meshheading:1314480-Platelet Membrane Glycoproteins,
pubmed-meshheading:1314480-Receptors, Cell Surface,
pubmed-meshheading:1314480-Receptors, G-Protein-Coupled,
pubmed-meshheading:1314480-Uterine Contraction
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pubmed:year |
1992
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pubmed:articleTitle |
The presence of platelet-activating factor binding sites in human myometrium and their role in uterine contraction.
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pubmed:affiliation |
Department of Biochemistry, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas 75235-9051.
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pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, U.S. Gov't, P.H.S.,
Case Reports,
Research Support, Non-U.S. Gov't
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