Detection of single-nucleotide polymorphism Gap junction protein Beta-2 genes in deaf schoolchildren of javanese population in Surabaya, Indonesia (original) (raw)

Indian Journal of Otology, 2019

Abstract

Background: Genetic factors account for about 50%–75% responsible for hearing loss. The existence of single-nucleotide polymorphism (SNP) as genetic factors that affect hereditary hearing loss. The widely studied SNP was the gap junction protein beta-2 (GJB2) gene encoding the gap junction beta-2 protein (connexin26) that found in cochlea and required to convert sound waves into electrical nerve impulse. This study was aimed to detect the SNP GJB2 gene of hereditary hearing loss patients from Javanese population in Surabaya, Indonesia. Methods: The design of this study was a cross-sectional, analytic observational. The participant was taken randomly among the students from a deaf School in Surabaya. The questionnaire was completed by the parents of the deaf children. Blood sampling was taken from venous peripheral blood. DNA was extracted and amplified on GJB2 gene area by polymerase chain reaction (PCR). The positive results of PCR were processed further for sequencing. The sequenc...

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