Novel Domain-Specific Pou3F4 Mutations Are Associated With X-Linked Deafness: Examples From Different Populations
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Tarih
2015Yazar
Bademci, Guney
Lasisi, Akeem O
Yariz, Kemal O
Montenegro, Paola
Menendez, Ibis
Vinueza, Rodrigo
Paredes, Rosario
Moreta, Germania
Subasioglu, Asli
Blanton, Susan
Fitoz, Suat
Incesulu, Armagan
Sennaroglu, Levent
Tekin, Mustafa
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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. Electronic supplementary material The online version of this article (doi:10.1186/s12881-015-0149-2) contains supplementary material, which is available to authorized users.
Bağlantı
https://doi.org/10.1186/s12881-015-0149-2https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4422282/
http://hdl.handle.net/11655/16816