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The Gut Microbiome’s Impact on the Pathogenesis and Treatment of Gastric Cancer—An Updated Literature Review
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The Gut Microbiome’s Impact on the Pathogenesis and Treatment of Gastric Cancer—An Updated Literature Review
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Journal Article
The Gut Microbiome’s Impact on the Pathogenesis and Treatment of Gastric Cancer—An Updated Literature Review
2025
Overview
The gut microbiota plays a critical role in maintaining gastrointestinal homeostasis, immune regulation, and metabolic processes. Recent evidence has highlighted its significant influence on gastric carcinogenesis. Helicobacter pylori, a well-established class I carcinogen, remains the most prominent microbial risk factor for gastric cancer. However, emerging studies indicate that alterations in the broader gastric and intestinal microbial communities, referred to as dysbiosis, may also contribute to tumor initiation, progression, and immune evasion. These microbial shifts can lead to chronic inflammation, genotoxic metabolite production, and modulation of signaling pathways such as NF-κB and Wnt/β-catenin. This review explores the current understanding of the gut microbiome’s contribution to gastric cancer pathogenesis, including microbial signatures associated with precancerous lesions and the tumor microenvironment. Furthermore, the potential of microbiota-based biomarkers and therapeutic interventions, including probiotics, prebiotics, and fecal microbiota transplantation, is discussed as part of emerging precision medicine strategies.
Publisher
MDPI AG,Multidisciplinary Digital Publishing Institute (MDPI)
Subject
