Fig. 1

Quantification of circulating EPCs. Circulating EPCs from freshly collected peripheral venous blood were quantified by flow cytometry using antibodies against CD34 and CD133. a CD34⁺ cells. b CD133⁺ cells. c CD34⁺CD133⁺ cells. Abbreviations: PBMC, peripheral blood mononuclear cell. Each dot represents a value for an individual patient