Novel variant p.E269K confirms causative role of PLS1 mutations in autosomal dominant hearing loss

Oscar Diaz-Horta, Guney Bademci, Suna Tokgoz-Yilmaz, Shengru Guo, Faraz Zafeer, Claire J. Sineni, Duygu Duman, Amjad Farooq, Mustafa Tekin

Research output: Contribution to journalArticle

Abstract

Auditory reception relies on the perception of mechanical stimuli by stereocilia and its conversion to electrochemical signal. Mechanosensory stereocilia are abundant in actin, which provides them with structural conformity necessary for perception of auditory stimuli. Out of three major classes of actin-bundling proteins, plastin 1 encoded by PLS1, is highly expressed in stereocilia and is necessary for their regular maintenance. A missense PLS1 variant associated with autosomal dominant hearing loss (HL) in a small family has recently been reported. Here, we present another PLS1 missense variant, c.805G > A (p.E269K), in a Turkish family with autosomal dominant non-syndromic HL confirming the causative role of PLS1 mutations in HL. We propose that HL due to the p.E269K variant is from the loss of a stable PLS1-ACTB interaction.

Original languageEnglish (US)
JournalClinical Genetics
DOIs
StateAccepted/In press - Jan 1 2019

Fingerprint

Stereocilia
Hearing Loss
Mutation
Actins
Auditory Perception
Maintenance
Proteins

Keywords

  • actin bundling
  • actin crosslinker
  • dominant
  • fimbrin
  • hearing loss
  • plastin 1

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Novel variant p.E269K confirms causative role of PLS1 mutations in autosomal dominant hearing loss. / Diaz-Horta, Oscar; Bademci, Guney; Tokgoz-Yilmaz, Suna; Guo, Shengru; Zafeer, Faraz; Sineni, Claire J.; Duman, Duygu; Farooq, Amjad; Tekin, Mustafa.

In: Clinical Genetics, 01.01.2019.

Research output: Contribution to journalArticle

Diaz-Horta, Oscar ; Bademci, Guney ; Tokgoz-Yilmaz, Suna ; Guo, Shengru ; Zafeer, Faraz ; Sineni, Claire J. ; Duman, Duygu ; Farooq, Amjad ; Tekin, Mustafa. / Novel variant p.E269K confirms causative role of PLS1 mutations in autosomal dominant hearing loss. In: Clinical Genetics. 2019.
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AU - Zafeer, Faraz

AU - Sineni, Claire J.

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