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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
8
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pubmed:dateCreated |
1998-10-26
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pubmed:abstractText |
The effects of cytochalasin D, a specific F-actin depolymerizing agent, on Ca2+ transients in rat ventricular cardiomyocytes were investigated. Cytochalasin D (20 microM) significantly slowed decay of Ca2+ transients (tau decay control cells=28.1+/-1.3, n=28tau decay=47.3+/-2.8 ms, n=20, P<0.001). The rising phase of Ca2+ transients was also significantly slower in cytochalasin D treated cells (tau rise=5.1+/-0.6 ms, n=17nu tau rise in control cells=3.6+/-0.2, n=21,P<0.01). Phalloidin (100 microM), an F-actin stabilizer, prevented cytochalasin D-induced alterations of Ca2+ transient kinetics. The cytochalasin D effect was not related to the l-type Ca2+ current since the current density and kinetics were not altered by the drug. We conclude that integrity of F-actin-based cytoskeleton is an important factor for sarcoplasmic reticulum function.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Actins,
http://linkedlifedata.com/resource/pubmed/chemical/Calcium,
http://linkedlifedata.com/resource/pubmed/chemical/Calcium Channels,
http://linkedlifedata.com/resource/pubmed/chemical/Cytochalasin D,
http://linkedlifedata.com/resource/pubmed/chemical/Phalloidine
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pubmed:status |
MEDLINE
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pubmed:month |
Aug
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pubmed:issn |
0022-2828
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pubmed:author | |
pubmed:copyrightInfo |
Copyright 1998 Academic Press.
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pubmed:issnType |
Print
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pubmed:volume |
30
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1665-70
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:9737950-Actins,
pubmed-meshheading:9737950-Animals,
pubmed-meshheading:9737950-Calcium,
pubmed-meshheading:9737950-Calcium Channels,
pubmed-meshheading:9737950-Cytochalasin D,
pubmed-meshheading:9737950-Cytoskeleton,
pubmed-meshheading:9737950-Heart Ventricles,
pubmed-meshheading:9737950-Phalloidine,
pubmed-meshheading:9737950-Rats
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pubmed:year |
1998
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pubmed:articleTitle |
Cytochalasin D alters kinetics of Ca2+ transient in rat ventricular cardiomyocytes: an effect of altered actin cytoskeleton?
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pubmed:affiliation |
Department of Cardiovascular Medicine, Henry Ford Heart and Vascular Institute, 2799 West Grand Boulevard, Detroit, MI, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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