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mRNA expression of TGF-β and gene targets by real-time PCR. TGF-β (A), Smad7 (B), Col II (C), Col III, (D), Col IV (E), and PAI-1 (F) mRNA levels were higher in BDI patients than in controls, although the differences were significant only for Smad7, Col I, and PAI-1 expression.
