in the presence of increasing concentrations of ec growth factor , confluent cultures of early ( cpdl less than or equal to 20 ) and late ( cpdl greater than 20 ) passage human endothelial cells exhibit an increased incorporation of 3h-glucosamine and na235so4 into the glycosaminoglycans ( gag ) , hyaluronic acid , chondroitin , chondroitin-4-sulfate , dermatan-4-sulfate , and chondroitin-6-sulfate .
C0008454
chondroitin
C0011602
dermatan