the turnover of the colony-stimulating factor 1 receptor ( csf-1r ) , the c-fms proto-oncogene product , is accelerated by ligand binding or by activators of protein kinase c ( pkc ) , such as the phorbol ester 12-o-tetradecanoylphorbol-13-acetate ( tpa ) .
C0031586
phorbol ester
C0039654
12-o-tetradecanoylphorbol-13-acetate