beta-N-acetyl-D-glucosaminidase, beta-N-acetyl-galactosaminidase and a beta-D-galactosidase activity was determined in untreated and lectins (ConA, PNA, SBA and WGA) treated chick embryonic skin fibroblasts at two incubation stages. Activity of all three glycosidases increased between 7 and 14 incubation days. ConA and WGA affected the levels of enzymatic activity; while SBA and PNA were uneffective. We discuss these findings in relation to a possible role of glycosidases in controlling mesenchymal GAG turnover.
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