by contrast , the same concentrations of chondroitin sulfate proteoglycan , dermatan sulfate proteoglycan , or lambda-carrageenan resulted in dye coupling in more than 70 % of the cells , with numerous cells showing dye spread from a single injected cell ( in the case of the proteoglycans ) .
C0033689
chondroitin sulfate proteoglycan
C0033692
proteoglycans