ArticleInternational journal of nanomedicine2026
Lung-Targeted Lipid Nanoparticles Delivery of Wogonin for Pulmonary Fibrosis in Mice via Modulation of Cellular Proteostasis.
Article in International journal of nanomedicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Pulmonary fibrosis (PF) is a chronic and progressive lung disease characterized by excessive scarring of lung tissue, ultimately leading to impaired pulmonary function and poor survival outcomes. Currently, effective treatment options remain limited, with lung transplantation being the only definitive therapy. Wogonin, a bioactive flavonoid derived from the traditional Chinese medicinal herb Methods: We developed a lung-targeted, wogonin-loaded lipid nanoparticle system (LNP-Wog). The stability and biocompatibility of LNP-Wog were systematically evaluated, and its anti-fibrotic efficacy was assessed in murine PF models. Proteomic analysis was conducted to identify key components of the LNP-associated "protein corona" responsible for lung targeting. Additionally, biotin-affinity pulldown assays combined with Gene Ontology (GO) enrichment analysis were performed to elucidate the underlying anti-fibrotic mechanisms of wogonin. Results: LNP-Wog exhibited excellent stability, biocompatibility, and significant anti-fibrotic efficacy in murine PF models. Proteomic analysis revealed fibrinogen as a critical component of the LNP "protein corona", facilitating lung endothelial targeting through integrin-mediated interaction. Mechanistically, wogonin was found to localize to the endoplasmic reticulum, where it promotes proteostasis by inhibiting protein synthesis via enhanced phosphorylation of eIF2α, a key event in the integrated stress response. Conclusion: These findings underscore the therapeutic potential of lung-targeted LNP-Wog nanoparticles as a promising strategy for the treatment of pulmonary fibrosis.
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