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Fig. 6 | BMC Musculoskeletal Disorders

Fig. 6

From: Estrogen alleviates post-traumatic osteoarthritis progression and decreases p-EGFR levels in female mouse cartilage

Fig. 6

Immunohistochemical expression of MMP13 in the bilateral knee cartilage of mice in groups.(Scale bar = 20 μm). (A). female control group; (B). ovariectomized group; (C). ovariectomized group supplemented with estrogen; and (D). male group; Sham, sham operation; DMM, medial meniscus instability operation; Ipsilateral comparison between groups B, D, and A (** P < 0.01). Ipsilateral comparison between groups C and B (## P < 0.01)

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