Association study of integrins beta 1 and beta 2 gene polymorphism and papillary thyroid cancer.

Am J Surg

Department of Otolaryngology-Head and Neck Surgery, School of Medicine, Kyung Hee University, Seoul, Republic of Korea.

Published: June 2013

Background: We investigated whether single nucleotide polymorphisms (SNPs) of integrin beta 1 (ITGB1) and integrin beta 2 (ITGB2) contribute to the development of papillary thyroid cancer (PTC).

Methods: Two synonymous SNPs (rs2230396 and rs2298141) of ITGB1 and 1 synonymous SNP (rs2352326), 1 5' URT-region SNP (rs2070947), and 1 promoter SNP (rs2070946) of ITGB2 SNPs were genotyped using direct sequencing in 94 patients with PTC and 213 healthy controls. Genetic data were analyzed using SNPStats (http://bioinfo.iconcologia.net/SNPstats), Helix Tree (Golden Helix Inc, Bozeman, MT), and SNPAnalyzer (ISTECH Corp, Goyang City, Republic of Korea).

Results: The promoter SNP (rs2070946) of ITGB2 was significantly associated with the development of PTC (dominant model, log-additive model). The G allele frequencies of the promoter SNP (rs2070946) of ITBG2 in patients with PTC (19.9%) were increased by about 2-fold compared with controls (10.2%).

Conclusions: Our results suggest that a promoter SNP (rs2070946) of ITGB2 might be associated with a risk of PTC.

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Source
http://dx.doi.org/10.1016/j.amjsurg.2012.05.035DOI Listing

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