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The activin signalling related genes in DPSCs. A, Except activin A, the expression level of activin B, Acvr2a and Acvr2b show no significant difference between IANx and Sham group. (**P < .01, n = 3). B, After activin B treatment, the expression level of activin A, Acvr2a and Acvr2b is increased in IANx group. (*P < .05, **P < .01, ***P < .005, n = 3)
