Document Detail

Electrical Activity of the Mouse Pulmonary Vein Myocardium.
MedLine Citation:
PMID:  22785034     Owner:  NLM     Status:  Publisher    
We recorded the electrical activity from the myocardial layer of isolated mouse pulmonary veins with the glass microelectrode technique. Spontaneous electrical activity was observed in about half of the preparations, which appeared either as constant firing or as repetitive bursts. Noradrenaline enhanced, while acetylcholine reduced, automatic activity. The action potentials evoked in quiescent preparations showed a resting membrane potential less negative than the atria and an extremely rapid early repolarization followed by a late plateau. The present study revealed that the mouse pulmonary vein myocardium shows diverse electrical activity, which is influenced by autonomic neurotransmitters.
Yayoi Tsuneoka; Yuka Kobayashi; Yoriko Honda; Iyuki Namekata; Hikaru Tanaka
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-29
Journal Detail:
Title:  Journal of pharmacological sciences     Volume:  -     ISSN:  1347-8648     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-7-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101167001     Medline TA:  J Pharmacol Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Pharmacology, Toho University Faculty of Pharmaceutical Sciences, Japan.
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