Screening of DFNB3 in Iranian families with autosomal recessive non-syndromic hearing loss reveals a novel pathogenic mutation in the MyTh4 domain of the MYO15A gene in a linked family

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REIISI SOMAYEH; TABATABAIEFAR MOHAMMAD AMIN; SANATI MOHAMMAD HOSEIN; HASHEMZADEH CHALESHTORI MORTEZA

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Journal: Iranian Journal of Basic Medical Sciences Year:2016 | Volume:19 | Issue:7 Page(s): 772-778

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Title

Screening of DFNB3 in Iranian families with autosomal recessive non-syndromic hearing loss reveals a novel pathogenic mutation in the MyTh4 domain of the MYO15A gene in a linked family

Author(s)

REIISI SOMAYEH | TABATABAIEFAR MOHAMMAD AMIN | SANATI MOHAMMAD HOSEIN | HASHEMZADEH CHALESHTORI MORTEZA | Issue Writer Certificate

Keywords

Hearing loss

Iran

Linkage analysis

MYO15A

mutation

Abstract

Objective(s): Non-syndromic sensorineural Hearing loss (NSHL) is a common disorder affecting approximately 1 in 500 newborns. This type of Hearing loss is extremely heterogeneous and includes over 100 loci. mutations in the GJB2 gene have been implicated in about half of autosomal recessive non-syndromic Hearing loss (ARNSHL) cases, making this the most common cause of ARNSHL. For the latter form of deafness, most frequent genes proposed include GJB2, SLC26A4, MYO15A, OTOF, and CDH23 worldwide. Materials and Methods: The aim of the present study was to define the role and frequency of MYO15A gene mutation in Iranian families. In this study 30 Iranian families were enrolled with over three deaf children and negative for GJB2. Then Linkage analysis was performed by six DFNB3 short tandem repeat markers. Following that, mutation detection accomplished using DNA sequencing. Results: One family (3. 33%) showed linkage to DFNB3 and a novel mutation was identified in the MYO15A gene (c. 6442T>A) as the disease-causing mutation. mutation co-segregated with Hearing loss in the family but was not present in the 100 ethnicity-matched controls. Conclusion: Our results confirmed that the Hearing loss of the linked Iranian family was caused by a novel missense mutation in the MYO15A gene. This mutation is the first to be reported in the world and affects the first MyTH4 domain of the protein.

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APA: Copy

REIISI, SOMAYEH, TABATABAIEFAR, MOHAMMAD AMIN, SANATI, MOHAMMAD HOSEIN, & HASHEMZADEH CHALESHTORI, MORTEZA. (2016). Screening of DFNB3 in Iranian families with autosomal recessive non-syndromic hearing loss reveals a novel pathogenic mutation in the MyTh4 domain of the MYO15A gene in a linked family. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 19(7), 772-778. SID. https://sid.ir/paper/721790/en

Vancouver: Copy

REIISI SOMAYEH, TABATABAIEFAR MOHAMMAD AMIN, SANATI MOHAMMAD HOSEIN, HASHEMZADEH CHALESHTORI MORTEZA. Screening of DFNB3 in Iranian families with autosomal recessive non-syndromic hearing loss reveals a novel pathogenic mutation in the MyTh4 domain of the MYO15A gene in a linked family. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2016;19(7):772-778. Available from: https://sid.ir/paper/721790/en

IEEE: Copy

SOMAYEH REIISI, MOHAMMAD AMIN TABATABAIEFAR, MOHAMMAD HOSEIN SANATI, and MORTEZA HASHEMZADEH CHALESHTORI, “Screening of DFNB3 in Iranian families with autosomal recessive non-syndromic hearing loss reveals a novel pathogenic mutation in the MyTh4 domain of the MYO15A gene in a linked family,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 19, no. 7, pp. 772–778, 2016, [Online]. Available: https://sid.ir/paper/721790/en

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