Dynamics of angiogenesis in ischemic areas of the infarcted heart.

ABSTRACT: Cardiomyocytes are susceptible to apoptosis caused by hypoxia during the acute and subacute phases of myocardial infarction (MI). Angiogenesis can reduce MI-induced damage by mitigating hypoxia. It has been speculated that the ischemic border zone is a unique area rescued by angiogenic therapy. However, the mechanism and timing for new vessel formation in the mammalian heart following hypoxia are unclear. Identifying targets that benefit from angiogenesis treatment is indispensable for the development of revolutionary therapies. Here, we describe a novel circulatory system wherein new vessels develop from the endocardium of the left ventricle to perfuse the hypoxic area and salvage damaged cardiomyocytes at 3-14 days after MI by activating vascular endothelial growth factor signaling. More

SUBMITTER: Kobayashi K 

PROVIDER: S-EPMC5540926 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature