thus , ec cell differentiation has been associated with increased expression of c-src , c-fos , int-1 , int-2 , and the epidermal growth factor ( egf ) receptor , whereas decreased expression has been observed for c-mos , c-k-ras , c-myc , n-myc , and platelet-derived growth factor .
C0007589
differentiation
C1708016
int-2