Figure 6From: Enhanced endogenous bone morphogenetic protein signaling protects against bleomycin induced pulmonary fibrosis Evidence for reduced apoptosis and reduced proliferation in Nog +/LacZ mice after bleomycin instillation. (A) PCNA immunohistochemistry in WT and Nog +/LacZ mice, 4Â weeks after treatment with bleomycin. (B) TUNEL in WT and Nog +/LacZ mice, 4Â weeks after treatment with bleomycin.Back to article page