Long non-coding RNA H19 contributes to M1 macrophage polarization mediated inflammation via miR-145-5p-PAI-1 axis in systemic lupus erythematosus. Cheng-lei Zhao Yong Zhang Jun-kai Guo Juan Wang Chun-you Wang Zhi-qiang Song Yi You a Department of Dermatology, The First Affiliated Hospital (Southwest Hospital) of Army Medical University, Chongqing, Chinab Chongqing Municipal Health Commission Key Laboratory of Immunological Skin Diseases, Chongqing, Chinac Department of Cell Biology, National Translational Science Center for Molecular Medicine, Fourth Military Medical University, and State Key Laboratory of New Targets Discovery and Drug Development for Major Diseases, Xi’an, Chinad Department of Pulmonary and Critical Care of Medicine, The First Affiliated Hospital of Fourth Military Medical University, Xi’an, Shaanxi Province, China