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Updated: Jan 14, 2026

Characterization and Functional Prediction of Bacteria in Ovarian Tissues
Published on: October 23, 2021
The microbiome in cancer
Anqi Lin1,2, Minying Xiong2, Aimin Jiang3
1Donghai County People's Hospital (Affiliated Kangda College of Nanjing Medical University) Lianyungang China.
None:
The human microbiome is now recognized as a central regulator of cancer biology, intricately shaping tumor development, immune dynamics, and therapeutic response. This comprehensive review delineates the multifaceted roles of bacteria, viruses, and fungi in modulating the tumor microenvironment and systemic immunity across diverse cancer types. We synthesize current evidence on how microbial dysbiosis promotes carcinogenesis via chronic inflammation, metabolic reprogramming, genotoxic stress, immune evasion, and epigenetic remodeling. This review emphasizes organ-specific microbiome signatures and highlights their potential as non-invasive biomarkers for early detection, treatment stratification, and prognosis. Furthermore, we explore the impact of intratumoral microbiota on cancer therapies, uncovering how microbial metabolites and host-microbe interactions shape therapeutic efficacy and resistance. Finally, advances in microbiome-targeted strategies, such as probiotics, fecal microbiota transplantation, and engineered microbes offer new avenues for adjunctive cancer therapy. This review provides a roadmap for future investigation and underscores the transformative promise of microbiome modulation in cancer prevention and treatment.
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