Figure 1: (A) Phase contrast images of SSEA-1+ Cells. (B) Expression of SSEA-1 in isolated cells at different passages. (C and D) RT-PCR analysis of cardiomyocyte-specific genes in RNA isolated from SSEA-1+ cells. Results were calculated as the ratio between the gene of interest and the endogenous control GAPDH in the same sample n=3.