Given the task definition and input, reply with output. In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

The analysis of the effects of eight signaling molecules in the TGFbeta , FGF , Hh , Wnt , and EGF families in tooth explant cultures revealed that the expression of edar was induced by activinbetaA , whereas Wnt6 induced ectodysplasin expression .
EGF families