Research Article

Exosomes Derived from M2 Macrophages Exert a Therapeutic Effect via Inhibition of the PI3K/AKT/mTOR Pathway in Rats with Knee Osteoarthritic

Figure 3

Histochemical detection of articular cartilage in KOA rats. (a) Van Gieson staining. (b) HE staining. (c) TUNEL staining. and , compared with the blank group. # and ###, compared with the model group.
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