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Lack of Association between Variant rs7916697 in ATOH7 and Primary Open Angle Glaucoma in a Saudi Cohort.


ABSTRACT: A case-control genetic association study was performed to investigate whether variant rs7916697 in atonal bHLH transcription factor 7 (ATOH7), which has been previously reported to be associated with optic disc parameters and primary open angle glaucoma (POAG) in different ethnic groups, is a risk factor for POAG or any of its clinical phenotypes in a Saudi cohort. Genotyping of rs7916697 (G>A) variant was performed in 186 unrelated POAG cases and 171 unrelated nonglaucomatous controls of Saudi origin using real-time Taq-Man® assay. Genotypic and allelic association with POAG and its related clinical indices were evaluated. Demographic and systemic disease status did not differ significantly between POAG cases and controls. Association analysis between POAG cases and controls showed no significant genotype effect under additive (p=0.707), dominant (p=0.458), and recessive (p=0.554) models. Besides, the minor 'A' allele frequency was 0.39 in POAG cases and 0.36 in controls with no significant distribution (p=0.406). In addition, there was no significant difference between genotypes and clinical phenotypes such as intraocular pressure and cup/disc ratio within the POAG group, or any age and sex adjusted genotype effect on the disease outcome in regression analysis. Variant rs7916697 in ATOH7 is not associated with POAG or its clinical indices such as IOP and cup/disc ratio in a Saudi cohort.

SUBMITTER: Kondkar AA 

PROVIDER: S-EPMC6241241 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Lack of Association between Variant rs7916697 in <i>ATOH7</i> and Primary Open Angle Glaucoma in a Saudi Cohort.

Kondkar Altaf A AA   Azad Taif A TA   Almobarak Faisal A FA   Bahabri Ibrahim M IM   Kalantan Hatem H   Abu-Amero Khaled K KK   Al-Obeidan Saleh A SA  

Genetics research international 20181101


A case-control genetic association study was performed to investigate whether variant rs7916697 in <i>atonal bHLH transcription factor 7</i> (<i>ATOH7</i>), which has been previously reported to be associated with optic disc parameters and primary open angle glaucoma (POAG) in different ethnic groups, is a risk factor for POAG or any of its clinical phenotypes in a Saudi cohort. Genotyping of rs7916697 (G>A) variant was performed in 186 unrelated POAG cases and 171 unrelated nonglaucomatous cont  ...[more]

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