the degradation of [ 35s ] o4 = -labeled extracellular matrix proteoglycans by the macrophages ' heparanase is significantly inhibited in the presence of heparan sulfate ( 10 micrograms/ml ) , arteparon ( 10 micrograms/ml ) , and heparin at a concentration of 3 micrograms/ml .
C0015350
extracellular matrix
C0033692
proteoglycans