a specific decrease in the net de novo synthesis ( [ 1-14c ] -glucosamine incorporation ) of cell surface trisialoganglioside ( gt ) occurs in preneoplastic mouse jb6 epidermal cells in response to tumor-promoting phorbol esters , mezerein , or epidermal growth factor , all of which promote neoplastic transformation in jb6 cells , but not in response to the bladder promoter sodium cyclamate , a nonpromoter in jb6 cells .
C0699040
cell surface
C0007634
cells