Abstract

A Case Report of Family with Congenital Non-Syndromic Hearing Loss (NSHL) with Variants of Uncertain Significance (VUS) in GATA3 and COLA43 Genes

Highlights

  • Hearing impairment is the frequent sensory deficit in human populations

  • Evaluating the causes of non-syndromic hearing loss is important for diagnosis, clinical management, genetic counselling, and potential prevention

  • Nonsyndromic hearing loss is inherited in the following modes: autosomal recessive (80-85%), autosomal dominant (10-15%), X linked (1%) and mitochondrial (

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Summary

Results

Generation sequencing (NGS) based deafness gene panel results identified variant of uncertain significance (VUS) c.709_710insG Ser237ArgfsTer67) in exon 3 of GATA3 (+) (ENST00000379328.3) gene in heterozygous condition with autosomal dominant pattern in the 7 years old male proband and his mother. Gly291Val) with uncertain significance (VUS) in exon 15 of COL4A3 (+) (ENST00000396578.3) gene was identified only in the mother

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