AUTHOR=Maitiyaer Maierhaba , Li Peiyi , Li Huangdong , Jiang Dingwen , Zhang Jingyu , Yang Chuwei , Yang Xiaobin , Chen Chengmei , Huang Wenhui , Liu Zhiping , Yu Shuilian TITLE=The neutrophil-to-C3 ratio: unveiling diagnostic efficacy for lupus nephritis and association with reduced retinal vascular density in systemic lupus erythematosus JOURNAL=Frontiers in Pharmacology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1484320 DOI=10.3389/fphar.2025.1484320 ISSN=1663-9812