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hiMSC exosomes reduced ovarian granulosa cellular oxidative stress. (A) MTT assay confirmed that hiMSC exosomes promoted the proliferation of mouse ovarian granulosa cells. (B) Western blotting results showed the expression of proteins related to apoptosis, and both NRF2 and proteins related to oxidative stress in granulosa cells are shown. * p < 0.05, ** p < 0.01, *** p < 0.001; ns, no significance.
