AUTHOR=Han Xiaowen , Zhang Jiayi , Li Weidong , Huang Xiaodong , Wang Xueyan , Wang Bofang , Gao Lei , Chen Hao TITLE=The role of B2M in cancer immunotherapy resistance: function, resistance mechanism, and reversal strategies JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1512509 DOI=10.3389/fimmu.2025.1512509 ISSN=1664-3224