Document Detail


Endothelin-1 stimulates hypertrophy and contractility of neonatal rat cardiac myocytes in a serum-free medium. II.
MedLine Citation:
PMID:  1725326     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effect of endothelin-1 (ET-1) on rat cardiac myocytes cultured in a serum-free medium was determined. Cardiac myocytes cultured in our medium showed an increased rate of protein synthesis, morphological size, contraction rate, and Ca2+ uptake when ET-1 was added. These actions of ET-1 were inhibited by a protein kinase C inhibitor, H-7. Among these four phenomena, contraction and Ca2+ uptake were inhibited by a Ca2+ channel blocker, nicardipine. Therefore, it is likely that the signal for ET-1 to induce these phenomena is transduced by kinase C, and Ca2+ uptake is related to maintaining a high contraction rate.
Authors:
T Suzuki; H Hoshi; H Sasaki; Y Mitsui
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Publication Detail:
Type:  In Vitro; Journal Article    
Journal Detail:
Title:  Journal of cardiovascular pharmacology     Volume:  17 Suppl 7     ISSN:  0160-2446     ISO Abbreviation:  J. Cardiovasc. Pharmacol.     Publication Date:  1991  
Date Detail:
Created Date:  1992-05-12     Completed Date:  1992-05-12     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7902492     Medline TA:  J Cardiovasc Pharmacol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  S182-6     Citation Subset:  IM    
Affiliation:
Bio-Science Laboratory, Inc., Yamagata, Japan.
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MeSH Terms
Descriptor/Qualifier:
1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine
Animals
Animals, Newborn
Calcium / metabolism
Culture Media
Endothelins / antagonists & inhibitors,  pharmacology*
Heart / drug effects
Heart Rate / drug effects
Hypertrophy
Isoquinolines / pharmacology
Male
Muscle Proteins / biosynthesis
Myocardial Contraction / drug effects*
Myocardium / cytology*,  enzymology,  metabolism
Nicardipine / pharmacology
Piperazines / pharmacology
Protein Kinase C / antagonists & inhibitors,  metabolism
Rats
Rats, Inbred Strains
Stimulation, Chemical
Chemical
Reg. No./Substance:
0/Culture Media; 0/Endothelins; 0/Isoquinolines; 0/Muscle Proteins; 0/Piperazines; 55985-32-5/Nicardipine; 7440-70-2/Calcium; 84477-87-2/1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine; EC 2.7.11.13/Protein Kinase C

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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