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Genetic basis of hearing loss associated with enlarged vestibular aqueducts in Koreans

Authors
 H‐J Park  ;  S‐J Lee  ;  H‐S Jin  ;  JO Lee  ;  S‐H Go  ;  HS Jang  ;  S‐K Moon  ;  S‐C Lee  ;  Y‐M Chun  ;  H‐K Lee  ;  J‐Y Choi  ;  S‐C Jung  ;  AJ Griffith  ;  SK Koo 
Citation
 CLINICAL GENETICS, Vol.67(2) : 160-165, 2005 
Journal Title
 CLINICAL GENETICS 
Issue Date
2005
MeSH
Adolescent ; Adult ; Biological Transport ; Case-Control Studies ; Child ; Child, Preschool ; DNA Mutational Analysis ; Female ; Hearing Loss/ethnology* ; Hearing Loss/genetics* ; Humans ; Korea ; Male ; Membrane Transport Proteins/genetics* ; Polymorphism, Genetic* ; Sulfates ; Vestibular Aqueduct/pathology*
Abstract
Sensorineural hearing loss associated with enlargement of the vestibular aqueduct (EVA) can be associated with mutations of the SLC26A4 gene. In western populations, less than one-half of the affected individuals with EVA have two mutant SLC26A4 alleles, and EVA is frequently caused by unknown genetic or environmental factors alone or in combination with a single SLC26A4 mutation as part of a complex trait. In this study, we ascertained 26 Korean probands with EVA and performed nucleotide sequence analysis to detect SLC26A4 mutations. All subjects had bilateral EVA, and 20 of 26 were sporadic (simplex) cases. Fourteen different mutations were identified, including nine novel mutations. Five mutations were recurrent and accounted for 80% of all mutant alleles, providing a basis for the design and interpretation of cost-efficient mutation detection algorithms. Two mutant alleles were identified in 21 (81%), one mutant allele was detected in three (11%), and zero mutant allele was detected in two (8%) of 26 probands. The high proportion of Korean probands with two SLC26A4 mutations may reflect a reduced frequency of other genetic or environmental factors causing EVA in comparison to western populations.
Full Text
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1399-0004.2004.00386.x
DOI
10.1111/j.1399-0004.2004.00386.x
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Otorhinolaryngology (이비인후과학교실) > 1. Journal Papers
Yonsei Authors
Choi, Jae Young(최재영) ORCID logo https://orcid.org/0000-0001-9493-3458
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166101
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