AUTHOR=Du Jing-Jing , Zhang Ru-Yan , Jiang Shangchi , Xiao Shanshan , Liu Yiting , Niu Yongheng , Zhao Wen-Xiang , Wang Dongyuan , Ma XianShi TITLE=Applications of cell penetrating peptide-based drug delivery system in immunotherapy JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1540192 DOI=10.3389/fimmu.2025.1540192 ISSN=1664-3224