Contributions of NFKB1 -94insertion/deletion ATTG polymorphism to the susceptibility of gastrointestinal cancers: A meta-analysis

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Abstract

Nuclear factor-kappa B1 (NF-κB1), a pleiotropic transcription factor, functions as a critical contributor to tumorigenesis. Growing numbers of case-control studies were carried out to analyse the potential contribution of NF-κB1 gene variants to gastrointestinal cancer risk, yet remains conflicting conclusions. Therefore, we conducted this most up-to-date meta-analysis to evaluate the relationship between NF-κB1 gene insertion (I)/deletion (D) polymorphism, namely −94ins/delATTG or rs28362491, and the susceptibility to gastrointestinal cancers. We searched PubMed, EMBASE and MEDLINE databases updated in April 2021 for relevant studies. Meta-analysis was carried out by software Stata11.0. The quantification of the relationship was determined by computing the combined odds ratios (ORs) and their corresponding 95% confidence intervals (CIs). Sensitivity analysis, the funnel plot and Begg's rank correlation test were also applied. Our findings indicate that −94ins/delATTG polymorphism could not significantly impact the susceptibility to gastrointestinal cancers. Under any five genetic models, −94ins/delATTG polymorphism was not remarkedly linked to the risk of colorectal, gastric and oesophageal cancer, respectively. The significant role of −94ins/delATTG was only observed in some certain subgroups. Findings here suggest that NF-κB1 gene −94ins/delATTG polymorphism may not predispose to gastrointestinal cancer susceptibility.

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Wu, H., & Liang, J. (2021). Contributions of NFKB1 -94insertion/deletion ATTG polymorphism to the susceptibility of gastrointestinal cancers: A meta-analysis. Journal of Cellular and Molecular Medicine, 25(22), 10674–10683. https://doi.org/10.1111/jcmm.17004

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