Fig. 6From: ERK-estrogen receptor α signaling plays a role in the process of bone marrow mesenchymal stem cell-derived exosomes protecting against ovariectomy-induced bone lossConcentration of OCN and CTX-I in the serum of rats. *P < 0.05 and ***P < 0.001 compared to the sham group. (n = 3 for each group. #P < 0.05 and ##P < 0.01 compared to the OVX group.)Back to article page