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Effects of SR-1 long-term treatment on the expression of surface markers in EPCs. (A) Schematic representation to show isolation of EPCs from the human umbilical cord blood and ex vivo expansion with SR-1 treatment for experiment. (B) Expression of EPC surface marker (CD34, c-kit, CXCR4, VEGFR-2, CD144) was measured using flow cytometry analysis of young and senescent cells with continuous treatment of SR-1. (SR-1 1 μM treatment).
