exposure of ba-han-ic cells to retinoic acid ( ra ) or n-methylformamide ( nmf ) resulted in a significant inhibition of proliferation ( p less than 0.001 ) and in cellular differentiation , as evidenced by a significant increase in the creatine kinase ( ck ) activity ( p less than 0.05 ) and the number of terminally differentiated post-mitotic myotubes ( p less than 0.001 ) .
C0007634
cells
C0007589
differentiated