%0 Journal Article %A Tlatelpa Romero, Beatriz %A Vázquez de Lara Cisneros, Luis G. %A Cañadas Benito, Olga %A Blanco Rivero, Amaya %A Olmeda Lozano, Bárbara %A Pérez Gil, Jesús %A Mendoza Milla, Criselda %A Martinez Vaquero, José Luis %A Romero, Yair %A Contreras Cruz, David Atahualpa %A de la Rosa Paredes, René %A Ruiz Salgado, Sinuhé %A Berra Romani, Roberto %A Collantes Gutiérrez, Alonso Antonio %A Pérez Fernández, María Susana %A Hernández Linares, María Guadalupe %A Guerrero Luna, Gabriel %T Modulation of pulmonary fibrosis by pulmonary surfactant-associated phosphatidylethanolamine in vitro and in vivo %D 2025 %@ 1661-6596 %U https://hdl.handle.net/20.500.14352/124300 %X Pulmonary fibrosis (PF) is characterized by excessive collagen deposition and impaired lung function. Pulmonary surfactant may modulate fibroblast activity and offer therapeutic benefits. We developed a natural porcine pulmonary surfactant (NPPS) enriched with 1,2-dipalmitoyl-rac-glycero-3-phosphatidylethanolamine (PE) and evaluated its biophysical and biological properties. Biophysical analysis showed that PE improved surfactant performance by increasing surface pressure and stability. In vitro, NPPS-PE reduced collagen expression and induced apoptosis in normal human lung fibroblasts; in addition, it decreased proliferation in fibroblasts stimulated with TGF-β. In vivo, NPPS-PE improved gas exchange and significantly reduced collagen deposition in bleomycin-treated mice. These findings suggest that NPPS-PE may be a promising therapeutic strategy for fibrosing lung diseases. %~