TITF1 and TITF2 loci variants indicate significant associations with thyroid cancer

Abstract

A number of studies have investigated the influence of TITF1 and TITF2 genetic variants on thyroid carcinogenesis, but their associations remain unclear due to the controversial results. The objective of this study was to test the hypothesis that TITF1 and TITF2 variants modulate thyroid cancer susceptibility. Eligible studies were identified through online searches supplemented by manual search. Either the DerSimonian and Laird method or the Mantel–Haenszel method was used to estimate the risk of thyroid cancer (ORs and 95 % CIs). The pooled ORs were calculated assuming the allele model. We identified a total of 10 publications concerning the topic of interest. Overall, meta-analysis of rs944289 showed 1.11-fold increased risk of thyroid cancer related to the risk T allele (T vs. C: OR 1.11, 95 % CI 1.05–1.17). For rs965513, individuals carrying the risk A allele, compared to individuals with the G allele, had 31 % higher risk of thyroid cancer (A vs. G: OR 1.31, 95 % CI 1.17–1.46). Analyses in total samples for rs1867277, rs1443434, and rs907580 yielded similar associations (A vs. G: OR 1.22, 95 % CI 1.06–1.39; G vs. T: OR 1.26, 95 % CI 1.09–1.45; T vs. C: OR 1.42, 95 % CI 1.21–1.66, respectively). The significant association persisted among Caucasians in subgroup analyses for rs944289 and rs965513. The genetic susceptibility of thyroid cancer seems likely to be associated with the risk allele at rs944289 in the TITF1 gene and at rs1867277, rs965513, rs1443434, and rs907580 in the TITF2 gene.

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from #Med Blogs by Alexandros G.Sfakianakis via paythelady61 on Inoreader http://ift.tt/1Nh3szY
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