Fig. 7From: Metformin alleviates osteoarthritis in mice by inhibiting chondrocyte ferroptosis and improving subchondral osteosclerosis and angiogenesisMetformin attenuates subchondral bone angiogenesis in the destabilization of the medial meniscus mice model. Immunofluorescence staining of A CD31 and B the proportion of CD31-positive cells (scale bar, 100 µm). One-way ANOVA and Tukey’s multiple comparison tests were used to compare the data. ***P < 0.001Back to article page