Baseline characterization of CMPCs. (A) Bright-field image of CMPCs under standard culture conditions. (B) Sca-1 expression (green) in control CMPCs. (C) CD31 expression (green) in control CMPCs. (D) CMPC surface-marker expression profile under basal conditions. (E) Real-time RT-PCR, showing fold expression (2-ΔCT) of cardiomyogenic and angiogenic genes in control CMPCs.