during differentiation induced by a 48-h treatment of postconfluent cells with methylisobutylxanthine , dexamethasone , and insulin , fatty acid synthetase activity increased to a level 19.5-fold higher than that of undifferentiated 3t3-l1 cells or nondifferentiating 3t3-c2 cells .
C0007589
differentiation
C0007634
cells