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Bleomycin-induced pulmonary fibrosis results in decreased expression of bone morphogenetic protein receptor II (BMPR2) and downstream signaling molecule inhibitor of differentiation 1 (ID-1). a, Relative expression of BMPR2 and ID-1 was decreased in lungs of wild-type mice exposed to 33 days of bleomycin (Bleo; normalized to 18S). b, Immunoblot detailing decreased BMPR2 in the lungs of wild-type mice exposed to bleomycin. β-Act: β-actin. Asterisk indicates P < 0.05. N = 4 per group.
