furthermore , the ability of the anti-chondroitin sulfate monoclonal antibody to mediate fluorescence in situ was markedly reduced by absorption with solid-phase chondroitin sulfate proteoglycan that had been chondroitinase abc-treated , but not by absorption with undigested proteoglycan or with solid-phase heparin .
C0033689
chondroitin sulfate proteoglycan
C0033692
proteoglycan