AUTHOR=Xu Huan , Ma Kaixuan , Ma Ziting , Zhuang Tianyu , Lin Ling TITLE=Iguratimod improves bleomycin-induced pulmonary inflammation and fibrosis by regulating macrophage polarization through inhibiting the TLR4/NF-κB pathway JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1558903 DOI=10.3389/fimmu.2025.1558903 ISSN=1664-3224