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CH increases expression of pulmonary arterial MMP2 but not MMP9 or ADAM17. (A–C) Western blots and mean densitometric data for MMP2 (A), MMP9 (B), and ADAM17 (C) in homogenates of intrapulmonary arteries from normoxic and CH rats. Values are mean ± SE of n = 4/group normalized to β-actin. *P < 0.05 versus control.
