using each of the three methods , an approximately twofold increase in the carboxyl methylation of cellular proteins was detected in neuroblastoma cells differentiated by reducing the serum concentration from 10 to 0.5 % , but not in those cells differentiated with either 5 mm hexamethylene bisacetamide or 2 % dimethyl sulfoxide .
C0007634
cells
C0007589
differentiated