Identification of three novel TECTA mutations in Iranian families with autosomal recessive nonsyndromic hearing impairment at the DFNB21 locus.

Abstract excerpt

Forty-five consanguineous Iranian families segregating autosomal recessive nonsyndromic hearing loss (ARNSHL) and negative for mutations at the DFNB1 locus were screened for allele segregation consistent with homozygosity by descent (HBD) at the DFNB21 locus. In three families demonstrating HBD at this locus, mutation screening of TECTA led to the identification of three novel homozygous mutations: one frameshift...

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