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The pathogen's playbook in cancer: from oncogenesis to progression
Hongzhou Cai1, Shaozhe Yang2, Ruizi Wang2
1Department of Urology, Jiangsu Cancer Hospital & The Affiliated Cancer Hospital of Nanjing Medical University & Jiangsu Institute of Cancer Research, Nanjing, Jiangsu, China.
None:
Globally, around 15-20% of cancers are linked to microbial infections, involving viruses, bacteria, and fungi, each with distinct pathogenic features. Advanced multi-omics technologies have confirmed tumor-specific microbial communities within tumor tissues. This review categorizes microbes by their action mechanisms in cancer biology: one group (e.g., Helicobacter pylori, HPV, Aspergillus species) directly induces tumorigenesis via DNA damage, repairing pathway disruption, oncoprotein expression, and carcinogenic metabolite production; the other group (e.g., Fusobacterium nucleatum, HIV, Candida albicans) modulates tumor progression by regulating the tumor microenvironment, enhancing tumor cell chemoresistance, or suppressing anti-tumor immunity. Additionally, this review also explores clinical translation potential, highlights research challenges, and proposes future directions to support precision oncology advancement.
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