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Effect of exogenous Activin A on Smad3 mRNA expression in PC12 cells subjected to oxygen-glucose deprivation (OGD).
Smad3 mRNA levels were analyzed by reverse transcription-PCR and expressed as the absorbance ratio of Smad3 to GAPDH. Data are expressed as mean ± SD of three independent experiments. One-way analysis of variance was used to compare mean values. aP < 0.05, vs. control group; bP < 0.05, vs. OGD 6 h group. h: Hours.
