Table 1. Inhibitory activities of glycoconjugates 1, 2, 3a, 3b, 4a and 4b against ADAMTS-4 and -5. The inhibition of proteolysis was measured using the protein substrate V1-5GAG. NI, not inhibiting at 50 μM (< 10% inhibition compared with the DMSO controls). Values are presented as mean ± SEM (n =