This systematic review synthesizes findings from various studies that examine genetic markers associated with susceptibility to gastric cancer. By conducting a comprehensive search across multiple databases, we analyzed studies on the relationship between specific genetic polymorphisms and the risk of developing gastric cancer. Our review highlights significant genetic markers, including mucin 1 (MUC1), prostate stem cell antigen (PSCA), tumor necrosis factor-alpha (TNF-α), DNA methyltransferases (DNMTs), matrix metalloproteinase-7 (MMP-7), and interleukin-8 (IL-8), emphasizing their roles across different ethnic and demographic contexts. The findings demonstrate a robust association between these markers and gastric cancer susceptibility, particularly noting variations in risk among diverse populations. Such variations could inform personalized treatment and screening strategies. The review also underscores the need for further research to explore how these polymorphisms influence cancer development and to confirm their potential clinical applications. We discuss the implications of these genetic markers for global health strategies and personalized medicine, highlighting the importance of integrating genetic testing into current gastric cancer management protocols.
Keywords: ethnic susceptibility; gastric cancer; genetic markers; personalized medicine; polymorphisms.
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