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TGF-β mRNA expression in muscular lesion after Bp injection. (a) Illustrative electrophoresis of RT-PCR for TGF-β (T) and constitutive GAPDH (G) in skeletal muscle 1 dpi (a) and 4 dpi (b). TGF-β = 260 bp e GAPDH = 245 bp. (c) Semi-quantitative analysis of TGF-β/GAPDH ratio at 1 dpi. Results are expressed as mean ± SEM of three animals. *P < 0.05 (unpaired t-test).
