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Polymorphisms in the FTO Gene and Their Association With Cancer Risk: A Comprehensive Review and Meta-Analysis
Fengran Guo1, Yilong Gao2, Hu Wang3
1Department of Urology, The Second Hospital of Hebei Medical University, Shijiazhuang, China.
Background:
This meta-analysis aimed to clarify the connection between six polymorphisms in the FTO gene and susceptibility to cancer.
Methods:
The relevant literature on the relationship between FTO variants and cancer susceptibility was comprehensively gathered from PubMed, Scopus, Embase, Medline, and Web of Science prior to May 20, 2024.
Results:
Our analysis revealed that FTO rs9939609 had a certain correlation with an elevated cancer risk within the Asian demographic q vs. r (OR = 1.22, 95% CI = 1.07-1.39, p = 0.003); rq + qq vs. rr (OR = 1.18, 95% CI = 1.04-1.35, p = 0.011); qq vs. rr + rq (OR = 1.78, 95% CI = 1.39-2.27, p = 0.001). Additionally, FTO rs1477196 was linked to a higher risk of thyroid cancer qq vs. rr + rq (OR = 1.47, 95% CI = 1.13-1.91, p = 0.004) and remarkably relevant to an increased cancer susceptibility for Caucasians (q vs. r (OR = 1.29, 95% CI =1.06-1.57, p = 0.009); rq + qq vs. rr (OR = 1.37, 95% CI = 1.04-1.80, p = 0.024)). In the stratified analysis of rs8047395, the results indicated that rs8047395 had a certain correlation with cancer susceptibility for thyroid cancer q vs. r (OR = 1.23, 95% CI = 1.01-1.51, p = 0.041) and qq vs. rr + rq (OR = 1.53, 95% CI = 1.24-1.91, p < 0.01).
Conclusion:
FTO rs9939609 showed a correlation with cancer risk among individuals of Asian descent. FTO rs1477196 was correlated with an increased risk for thyroid cancer and remarkably relevant to an increased cancer susceptibility for Caucasians. FTO rs8047395 was associated with the risk of thyroid cancer.
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