Hearing loss affects about 70 million people worldwide, which can be inherited as either
syndromic or non-syndromic forms. Approximately 50% of all childhood deafness is caused …

Abstract Non Syndromic Hearing Loss is an important cause for hearing loss. One in 1000
newborns have some hearing impairment. Over 400 genetic syndromes have been …

Autosomal-recessive genes are responsible for about 80% of the hereditary non-syndromic
hearing loss (NSHL) cases. In Iran, due to consanguineous marriages, NSHL is the second …

Background Hearing loss or hearing impairment is a clinically and genetically
heterogeneous disorder. More than 117 genes were discovered to date in hereditary …

The current molecular genetic diagnostic rates for hereditary hearing loss (HL) vary
considerably according to the population background. Pakistan and other countries with …

Background and aims: Hearing loss (HL) happens due to the genetic or environmental
causes or both. Risk factors include congenital infections and congenital deformities of …

Background: Hearing impairment (HI) is defined as inability to hear and is an extremely
heterogeneous genetic disorder. HI is divided into syndromic (if associated with clinical …

Congenital hearing loss is one of the most common sensory disabilities worldwide. The
genetic causes of hearing loss account for 50% of hearing loss. Genetic causes of hearing …

Background: Hearing impairment is the most common sensory defect in human beings;
affecting 1 in 1000 among general population that half of them is due to genetic agents …

Deafness encompasses a series of etiologically heterogeneous disorders with mutations in
more than 400 independent genes. However, several studies indicate that a large proportion …