AUTHOR=Li Shuang-xi , Hu Rui-kang , Kong De-liang , Xu Jing , Bian Qi , Guo Zhi-Yong , Mei Xiao-bin TITLE=Efficacy of Telitacicept in treating IgA vasculitis nephritis: a two-case report JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1564242 DOI=10.3389/fimmu.2025.1564242 ISSN=1664-3224