nevus cells were isolated from the three cutaneous components , epidermis , basal layer , and dermis , of nonmalignant pigmented lesions and were cultured separately in the presence or absence of the phorbol ester 12-0-tetradecanoyl phorbol-13-acetate in medium that supports the rapid proliferation of melanocytic cells .
C0031586
phorbol ester
C0039654
phorbol