SFTPC and pulmonary fibrosis: We found that BLM-induced lung fibrosis was markedly diminished in Spc-p300d/d mice, as determined by quantifying Masson’s trichrome staining (MTS) in the lungs, soluble collagen levels, body weight, and bronchoalveolar lavage (BAL) fluid cells (Fig. 1f–h and Supplementary Fig. 4a, b).