Novel domain-specific POU3F4 mutations are associated with X-linked deafness: Examples from different populations

Guney Bademci, Akeem O. Lasisi, Kemal O. Yariz, Paola Montenegro, Ibis Menendez, Rodrigo Vinueza, Rosario Paredes, Germania Moreta, Asli Subasioglu, Susan Blanton, Suat Fitoz, Armagan Incesulu, Levent Sennaroglu, Mustafa Tekin

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Background: Mutations in the POU3F4 gene cause X-linked deafness type 3 (DFN3), which is characterized by inner ear anomalies. Methods: Three Turkish, one Ecuadorian, and one Nigerian families were included based on either inner ear anomalies detected in probands or X-linked family histories. Exome sequencing and/or Sanger sequencing were performed in order to identify the causative DNA variants in these families. Results: Four novel, c.707A>C (p.(Glu236Ala)), c.772delG (p.(Glu258ArgfsX30)), c.902C>T (p.(Pro301Leu)), c.987T>C (p.(Ile308Thr)), and one previously reported mutation c.346delG (p.(Ala116ProfsX26)) in POU3F4, were identified. All mutations identified are predicted to affect the POU-specific or POU homeo domains of the protein and co-segregated with deafness in all families. Conclusions: Expanding the spectrum of POU3F4 mutations in different populations along with their associated phenotypes provides better understanding of their clinical importance and will be helpful in clinical evaluation and counseling of the affected individuals.

Original languageEnglish (US)
Article number9
Number of pages1
JournalBMC medical genetics
Volume16
Issue number1
DOIs
StatePublished - Dec 12 2015

Keywords

  • Molecular Diagnosis
  • Mutation Detection
  • POU3F4
  • Sequencing
  • X-linked deafness

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

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    Bademci, G., Lasisi, A. O., Yariz, K. O., Montenegro, P., Menendez, I., Vinueza, R., Paredes, R., Moreta, G., Subasioglu, A., Blanton, S., Fitoz, S., Incesulu, A., Sennaroglu, L., & Tekin, M. (2015). Novel domain-specific POU3F4 mutations are associated with X-linked deafness: Examples from different populations. BMC medical genetics, 16(1), [9]. https://doi.org/10.1186/s12881-015-0149-2