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Immunohistochemical staining for CD31 and CD34 at 72 h after reperfusion (×400). CD31 and CD34 expression levels were decreased in IRI-operated group compared with the EPCs-treated group, EPCs-transfected VEGF165-adenovirus group and EPCs-transfected Ang-1-adenovirus group. Data are shown as mean ± SD. *Significant difference vs. Sham group (P<0.05); #Significant difference vs. IRI-operated group (P<0.05).
