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(A) represents the blots of P-Smad1/5/8, P-p38MAPK, P-ERK1/2, t-Smad1/5/8, t-p38MAPK and t-ERK1/2 upon BMP4 treatment (50 ng/ml) in dose and time dependent manner. (B) Bar values are means ± SEM (n = 3 for each group). (C) represents the blots of BMPRII upon BMP4 treatment for 5–30 min. (D) Bar values are means ± SEM (n = 3 for each group).*P <0.01 vs. respective vehicle control.
