Fig. 5

Effects of ten oligostilbenes on apoptosis of OA chondrocytes. Group of experiments: untreated control group, IL-1β group, the following groups were treated with 10 ng/mL IL-1β in addition to 1 μM the listed drug: diacerein, (1) suffruticosol A, (2) suffruticosol B, (3) suffruticosol C, (4) trans-resveratrol, (5) cis-ε-viniferin, (6) trans-ε-viniferin, (7) cis-suffruticosol D, (8) cis-gnetin H, (9) trans-suffruticosol D, and (10) trans-gnetin H