heparan and chondroitin sulfates were equally represented within the free chains and proteoglycans of the cells in preconfluent , proliferating cultures , whereas in postconfluent , differentiated cultures the major labeling was in the heparan sulfate products , consistent with our prior reports ( j invest dermatol 88:215-9 , 1987 and 91:492-8 , 1988 ) .
C0007634
cells
C0007589
differentiated