CYP11B1 and adenoma: A human adenoma sample from the adrenal cortex was used as positive control (line 1), and the following were observed: no transfected HEK-293 (line 2); PCMV-CYP11B1 (line 3); PCMV-CYP11B1/B2 (line 4) and PCMV-CYP11B2 (line 5).