AUTHOR=Pan Jianyan , Lin Zhong , Pan Qinchun , Zhu Tao TITLE=Heterogeneity in polyamine metabolism dictates prognosis and immune checkpoint blockade response in hepatocellular carcinoma JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1516332 DOI=10.3389/fimmu.2025.1516332 ISSN=1664-3224