AUTHOR=Xia Minhao , Ling Chong , Ye Hui , Liang Shujie , Cao Qingyun , Wang Weiwei , Zhang Changming , Dong Zemin , Tian Min , Zuo Jianjun , Zhu Yongwen TITLE=Preparation and characterization of immunopeptides isolated from pig spleen and evaluation of their immunomodulatory properties in vitro and in vivo JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1544299 DOI=10.3389/fimmu.2025.1544299 ISSN=1664-3224