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18.07.2015 | Otology | Ausgabe 7/2016

European Archives of Oto-Rhino-Laryngology 7/2016

The European GWAS-identified risk SNP rs457717 within IQGAP2 is not associated with age-related hearing impairment in Han male Chinese population

Zeitschrift:
European Archives of Oto-Rhino-Laryngology > Ausgabe 7/2016
Autoren:
Huajie Luo, Hao Wu, Hailian Shen, Haifeng Chen, Tao Yang, Zhiwu Huang, Xiaojie Jin, Xiuhong Pang, Lei Li, Xianting Hu, Xuemei Jiang, Zhuping Fan, Jiping LI

Abstract

This study aimed to test the association between the European GWAS-identified risk IQGAP2 SNP rs457717 (A>G) and age-related hearing impairment (ARHI) in a Han male Chinese (HMC) population. A total of 2420 HMC subjects were divided into two groups [group 70+: >70 years (n = 1306), and group 70−: ≤70 years (n = 1114)]. The participants were categorised into case and control groups according to Z high scores for group 70− and the severity of hearing loss and different audiogram shapes identified by K-means cluster analysis for group 70+. The IQGAP2 tagSNP rs457717 was genotyped in accordance with the different ARHI phenotypes. The genotype distributions of IQGAP2 (AA/AG/GG) were not significantly different between the case and control groups (P = 0.613 for group 70−; P = 0.602 for group 70+). Compared with genotype AA, the ORs of genotypes AG and GG for ARHI were not significantly different following adjustment for other environmental risk factors. We demonstrated that the IQGAP2 TagSNP rs457717 (A/G) was not associated with ARHI in HMC individuals.

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