we show that the plant lectin concanavalin a ( cona ) , the phorbol ester 12-o-tetradecanoyl phorbol 13-acetate ( tpa ) and the ca2+-ionophore a23187 each causes a rapid increase in both c-fos and c-myc mrnas .
C0031586
phorbol ester
C0039654
12-o-tetradecanoyl phorbol 13-acetate