Mutations in TMC1 contribute significantly to nonsyndromic autosomal recessive sensorineural hearing loss: A report of five novel mutations

Asli Sirmaci, Duygu Duman, Hatice Öztürkmen-Akay, Seyra Erbek, Armaǧan Incesulu, Burcu Öztürk-Hişmi, Z. Serap Arici, E. Berrin Yüksel-Konuk, Seda Taşir-Yilmaz, Suna Tokgöz-Yilmaz, Filiz Başak Cengiz, Idil Aslan, Müzeyyen Yildirim, Aylin Hasanefendioǧlu-Bayrak, Abdullah Ayçiçek, Ismail Yilmaz, Suat Fitoz, Fazilet Altin, Hilal Özdaǧ, Mustafa Tekin

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Genome wide homozygosity mapping using Affymetrix 10K arrays revealed the DFNB7/11 locus including the TMC1 gene in 5 of 35 Turkish families with autosomal recessive nonsyndromic severe to profound congenital or prelingual-onset sensorineural hearing loss (SNHL). Additional 51 families were later screened for co-segregation of the locus with the phenotype using microsatellite markers. GJB2 and mtDNA A1555G mutations were negative in probands from each family. Mutation analysis was performed in families showing co-segregation of autosomal recessive SNHL with haplotypes at the DFNB7/11 locus. A total of six different mutations in seven families were identified, including novel missense alterations, p.G444R (c.1330G>A), p.R445C (c.1333C>T), and p.I677T (c.2030T>C), one novel splice site mutation IVS6+2 T>A (c.64+2T>A), and a novel large deletion of approximately 31 kb at the 3′ region of the gene including exons 19-24, as well as a previously reported nonsense mutation, p.R34X (c.100C>T). All identified mutations co-segregated with autosomal recessive SNHL in all families and were not found in Turkish hearing controls. These results expand the mutation spectrum of TMC1 with five novel mutations and provide data for the significant contribution of TMC1 mutations in hearing loss.

Original languageEnglish
Pages (from-to)699-705
Number of pages7
JournalInternational Journal of Pediatric Otorhinolaryngology
Volume73
Issue number5
DOIs
StatePublished - May 1 2009

Fingerprint

Sensorineural Hearing Loss
Mutation
Nonsense Codon
Mitochondrial DNA
Hearing Loss
Microsatellite Repeats
Haplotypes
Hearing
Genes
Exons
Genome
Phenotype

Keywords

  • Autosomal recessive
  • Consanguinity
  • Deafness
  • Hearing impairment
  • Hearing loss

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Pediatrics, Perinatology, and Child Health

Cite this

Mutations in TMC1 contribute significantly to nonsyndromic autosomal recessive sensorineural hearing loss : A report of five novel mutations. / Sirmaci, Asli; Duman, Duygu; Öztürkmen-Akay, Hatice; Erbek, Seyra; Incesulu, Armaǧan; Öztürk-Hişmi, Burcu; Arici, Z. Serap; Yüksel-Konuk, E. Berrin; Taşir-Yilmaz, Seda; Tokgöz-Yilmaz, Suna; Cengiz, Filiz Başak; Aslan, Idil; Yildirim, Müzeyyen; Hasanefendioǧlu-Bayrak, Aylin; Ayçiçek, Abdullah; Yilmaz, Ismail; Fitoz, Suat; Altin, Fazilet; Özdaǧ, Hilal; Tekin, Mustafa.

In: International Journal of Pediatric Otorhinolaryngology, Vol. 73, No. 5, 01.05.2009, p. 699-705.

Research output: Contribution to journalArticle

Sirmaci, A, Duman, D, Öztürkmen-Akay, H, Erbek, S, Incesulu, A, Öztürk-Hişmi, B, Arici, ZS, Yüksel-Konuk, EB, Taşir-Yilmaz, S, Tokgöz-Yilmaz, S, Cengiz, FB, Aslan, I, Yildirim, M, Hasanefendioǧlu-Bayrak, A, Ayçiçek, A, Yilmaz, I, Fitoz, S, Altin, F, Özdaǧ, H & Tekin, M 2009, 'Mutations in TMC1 contribute significantly to nonsyndromic autosomal recessive sensorineural hearing loss: A report of five novel mutations', International Journal of Pediatric Otorhinolaryngology, vol. 73, no. 5, pp. 699-705. https://doi.org/10.1016/j.ijporl.2009.01.005
Sirmaci, Asli ; Duman, Duygu ; Öztürkmen-Akay, Hatice ; Erbek, Seyra ; Incesulu, Armaǧan ; Öztürk-Hişmi, Burcu ; Arici, Z. Serap ; Yüksel-Konuk, E. Berrin ; Taşir-Yilmaz, Seda ; Tokgöz-Yilmaz, Suna ; Cengiz, Filiz Başak ; Aslan, Idil ; Yildirim, Müzeyyen ; Hasanefendioǧlu-Bayrak, Aylin ; Ayçiçek, Abdullah ; Yilmaz, Ismail ; Fitoz, Suat ; Altin, Fazilet ; Özdaǧ, Hilal ; Tekin, Mustafa. / Mutations in TMC1 contribute significantly to nonsyndromic autosomal recessive sensorineural hearing loss : A report of five novel mutations. In: International Journal of Pediatric Otorhinolaryngology. 2009 ; Vol. 73, No. 5. pp. 699-705.
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AU - Sirmaci, Asli

AU - Duman, Duygu

AU - Öztürkmen-Akay, Hatice

AU - Erbek, Seyra

AU - Incesulu, Armaǧan

AU - Öztürk-Hişmi, Burcu

AU - Arici, Z. Serap

AU - Yüksel-Konuk, E. Berrin

AU - Taşir-Yilmaz, Seda

AU - Tokgöz-Yilmaz, Suna

AU - Cengiz, Filiz Başak

AU - Aslan, Idil

AU - Yildirim, Müzeyyen

AU - Hasanefendioǧlu-Bayrak, Aylin

AU - Ayçiçek, Abdullah

AU - Yilmaz, Ismail

AU - Fitoz, Suat

AU - Altin, Fazilet

AU - Özdaǧ, Hilal

AU - Tekin, Mustafa

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