Expression pattern of pluripotent markers in PGESCs and other cells. Lane 1, 100-bp marker; lane 2, PGESCs; lane 3, EB cells; lane 4, fetal fibroblast cells; lane 5, adult fibroblast cells; lane 6, TE cells; lane 7, negative RT; lane 8, negative PCR. GAPDH, glyceraldehyde 3-phosphate dehydrogenase.