SOX17 and seminoma: Additionally, strong and comparable expression of the seminoma and pluripotency markers OCT3/4, NANOG, LIN28, SOX17, PRAME, PRDM1/BLIMP1 and TFAP2C was found in TCam-2, TCam-2-ΔSOX2 and TCam-2-ΔSOX2/FOXA2 cells (Figure S3A).