AUTHOR=Wang Jinmeng , Wu Wenfeng , Wu Huiyi TITLE=Obinutuzumab for treatment of membranous nephropathy in patients positive and negative for the phospholipase A2 receptor antibody: case reports JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1561638 DOI=10.3389/fimmu.2025.1561638 ISSN=1664-3224