before labelling with cationic probe , the sections were digested with the following enzymes : trypsin , papain , pronase e , proteinase k , collagenase , chondroitinase abc , hyaluronidase , heparinase , heparitinase , neuraminidase and endoglycosidase h .
C0020197
hyaluronidase
C0014162
endoglycosidase