addition to the hormonally defined medium of 10 micrograms per ml of hyaluronates , dermatan sulfates , bovine lung heparan sulfate , chondroitin 4-sulfate or chondroitin 6-sulfate resulted in a weak response in induction of gap junctions ( 5 to 15 % of the cells became dye and electrically coupled ) and in gene expression .
C0206117
gap junctions
C0007634
cells