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Effects of bone marrow-derived mesenchymal stem cells (BM-MSCs) on the expression of transforming growth factor beta 1 (TGF-β1), SMAD3, and SMAD7. Thirty C57BL/6 mice were randomly divided into the control group (n=10), the model group (n=10), and the BM-MSC-treated model group (n=10). (A) The mRNA expression of TGF-β1, SMAD3, and SMAD7 in each group. (B) The protein expression of TGF-β1, SMAD3, and SMAD7 in each group. * Compared with the model group (p<0.05).
