AUTHOR=Yu Yuexi , Liu Huiru , Liu Kaipeng , Zhao Meiqi , Zhang Yiyan , Jiang Runci , Wang Fengmei TITLE=Multi-omics identification of a polyamine metabolism related signature for hepatocellular carcinoma and revealing tumor microenvironment characteristics JOURNAL=Frontiers in Immunology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1570378 DOI=10.3389/fimmu.2025.1570378 ISSN=1664-3224