Sarpogrelate diminishes changes in energy stores and ultrastructure of the ischemic-reperfused rat heart

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dc.contributor.authorTemsah, RM
dc.contributor.authorKumamoto, H
dc.contributor.authorTakeda, N
dc.contributor.authorDhalla, NS
dc.date.accessioned2007-10-05T15:59:27Z
dc.date.available2007-10-05T15:59:27Z
dc.date.issued2001-09-30
dc.description.abstractAlthough the involvement of serotonin in exacerbating vascular abnormalities in ischemic heart disease has been established, its role in mediating changes in cardiac function due to ischemia reperfusion (IR) is poorly understood. The aim of this study was to investigate the effect of a serotonin blocker, sarpogrelate (5-HT2A antagonist), in preventing cardiac injury due to IR. Isolated rat hearts were subjected to 30 min of global ischemia followed by 1 h of reperfusion. Sarpogrelate (50 nM-0.9 muM) was infused 10 min before ischemia as well as during the reperfusion period. The IR-induced changes in left ventricular developed pressure, left ventricular end diastolic pressure, rate of pressure development, and rate of pressure decay were attenuated (P < 0.05) with sarpogrelate treatment. Sarpogrelate also decreased the ultrastructural damage and improved the high energy phosphate level in the IR hearts (P < 0.05). This study provides evidence for the attenuation of IR-induced cardiac injury by 5-HT2A receptor blockade and supports the view that serotonin may contribute to the deleterious effects of IR in the heart.en
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dc.format.mimetypeapplication/pdf
dc.identifier.citation0008-4212; CAN J PHYSIOL PHARMACOL, SEP 2001, vol. 79, no. 9, p.761 to 767.en
dc.identifier.doihttp://dx.doi.org/10.1139/y01-047
dc.identifier.urihttp://hdl.handle.net/1993/2897
dc.language.isoengen_US
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dc.rightsopen accessen_US
dc.statusPeer revieweden
dc.subjectischemia reperfusionen
dc.subjectsarpogrelateen
dc.subjectserotonin receptor blockadeen
dc.subjectCARDIAC MAST-CELLSen
dc.subjectRECEPTOR ANTAGONISTen
dc.subjectSEROTONINen
dc.subject5-HYDROXYTRYPTAMINEen
dc.subjectKETANSERINen
dc.subjectDISEASEen
dc.subject5-HTen
dc.subjectMECHANISMSen
dc.subjectMCI-9042en
dc.titleSarpogrelate diminishes changes in energy stores and ultrastructure of the ischemic-reperfused rat hearten
dc.typejournal articleen_US
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