in addition , the stimulation of retinoic acid-induced f9 cell differentiation by cyclic amp analogs ( strickland , s. , smith , k.k. , and marotti , k.r . ( 1980 ) cell 21 , 347-355 ) and the inhibition of this differentiation by butyrate ( levine r. a. , campisi , j. , wang , s.-y. , and gudas , l. j . ( 1984 ) dev . biol . 105 , 443-450 ) are not correlated with increases or decreases , respectively , in the level of crabp activity .
C0007634
cell
C1516344
inhibition of