Abstract:Background: Aging is associated with impaired ischemia-induced neovascularization. However, the effects of aging on bone marrow-derived angiogenic cell (BMDAC)-mediated vasculogenesis and on angiogenesis at the ischemic sites remain incompletely understood. Methods and results: Two-and 24-month old male C57Bl/6J mice were subjected to hindlimb ischemia. The levels of Sca1+/CXCR4+ BMDACs were determined post-ischemia by flow cytometry. In young mice, ischemia increased Sca1+/CXCR4+ BMDAC levels in the bone marr… Show more
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