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The Association of GRM7 Single Nucleotide Polymorphisms with Age-Related Hearing Impairment in a Taiwanese Population.


ABSTRACT: OBJECTIVES:Age-related hearing impairment (ARHI) is a major disability among the elderly. This study aimed to analyze the association of single nucleotide polymorphisms (SNPs) of metabotropic glutamate receptor 7 (GRM7) gene with ARHI in an elderly population in Taiwan. MATERIALS AND METHODS:This was a community-based study performed in a metropolitan hospital. Participants ?65 years of age were recruited. Participants with a pure tone average (PTA) of speech frequencies in the better ear of >35 decibel hearing level (dBHL) were classified into the case group, whereas those with PTA ?25 dBHL were classified into the control group. The association of SNPs rs11928865, rs1353828, rs9814809, and rs9880404 with ARHI was analyzed. RESULTS:In 106 cases and 190 controls, alleles of all SNPs were found not to be associated with ARHI. The genotype of rs9880404 was found to be associated with ARHI in a dominant pattern, but the genotypes of rs11928865, rs1353828, and rs9814809 were found not to be associated with ARHI. CONCLUSION:GRM7 SNPs are associated with susceptibility to ARHI, but the significance of this finding in a Taiwanese population differed from that observed in European studies. Further studies may help to determine Taiwanese (Asian)-specific SNPs associated with ARHI.

SUBMITTER: Chang NC 

PROVIDER: S-EPMC6354476 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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The Association of GRM7 Single Nucleotide Polymorphisms with Age-Related Hearing Impairment in a Taiwanese Population.

Chang Ning-Chia NC   Dai Chia-Yen CY   Lin Wen-Yi WY   Yang Hua-Ling HL   Wang Hsun-Mo HM   Chien Chen-Yu CY   Hsieh Meng-Hsuan MH   Ho Kuen-Yao KY  

The journal of international advanced otology 20180801 2


<h4>Objectives</h4>Age-related hearing impairment (ARHI) is a major disability among the elderly. This study aimed to analyze the association of single nucleotide polymorphisms (SNPs) of metabotropic glutamate receptor 7 (GRM7) gene with ARHI in an elderly population in Taiwan.<h4>Materials and methods</h4>This was a community-based study performed in a metropolitan hospital. Participants ≥65 years of age were recruited. Participants with a pure tone average (PTA) of speech frequencies in the be  ...[more]

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