Abstract:
OBJECTIVES:The molecular etiology of nonsyndromic deafness in Chinese population has not been investigated systematically, our study is aim to investigate the molecular etiology of nonsyndromic deafness patients from Northern China (Heilongjiang province), in order to provide genetic test and counseling to families. METHODS:380 unrelated patients with hearing loss who attended to the Department of Otolaryngology, The Fourth Affiliated Hospital of Harbin Medical University were enrolled to our study. All patients were diagnosed with nonsyndromic deafness by audiologic evaluation, 202 normal-hearing individuals were taken as controls. Mutations in three common deafness-causing genes (GJB2, SLC26A4 and 12S rRNA) were screened by direct sequencing. RESULTS:Mutations (homozygote or compound heterozygote) in GJB2 accounted for 8.9% (34/380) of the patients, mutations in SLC26A4 accounted for 10.0% (38/380) of the patients screened. Only one case was found to carry 12S rRNA 1555A > G (1/380, 0.26%). Five types of mutations in GJB2 were identified, GJB2 235delC was the most prevalent mutation in our patient group (76/380, 20.0%), followed by 299-300delAT with a frequency of 7.4% (28/380). Two types of mutations in SLC26A4 were detected in our patient group (IVS7-2A > G and 2168A > G). IVS7-2A > G was identified in 27 patients (27/380, 7.1%) and 2168A > G was identified in 14 patients (14/380, 3.7%). CONCLUSIONS:Our results demonstrate that 19.2% patients with nonsyndromic deafness were caused by mutations in three common deafness genes (GJB2, SLC26A4 and 12S rRNA) in our northern China patient group. GJB2 235delC was the most prevalent mutation, same as in the most Asian populations. These data enrich the database of deafness mutations and provide the standard for clinical diagnose, treatment and genetic counseling in Northern China population.
journal_name
Int J Pediatr Otorhinolaryngoljournal_title
International journal of pediatric otorhinolaryngologyauthors
Pan J,Xu P,Tang W,Cui Z,Feng M,Wang Cdoi
10.1016/j.ijporl.2017.04.018subject
Has Abstractpub_date
2017-07-01 00:00:00pages
39-42eissn
0165-5876issn
1872-8464pii
S0165-5876(17)30159-3journal_volume
98pub_type
杂志文章abstract:OBJECTIVE:In this study, we developed a biocompatible and biodegradable vancomycin (VM)-eluting electrospun poly(ɛ-caprolactone) (PCL)/polyethylene oxide (PEO)/VM/PCL nanofiber mat. The purpose of this study was to evaluate the efficacy of this nanofiber mat for preventing methicillin-resistant Staphylococcus aureus (M...
journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
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更新日期:2015-08-01 00:00:00
abstract::After initial treatment of severe laryngotracheal stenosis (LTS), we evaluated subsequent airway function. Five children between 2 and 11 years were treated previously for severe LTS by T-tube stenting. One case underwent subsequent laryngotracheal reconstruction. All patients demonstrated dyspnea, the severity of whi...
journal_title:International journal of pediatric otorhinolaryngology
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abstract:OBJECTIVES:The aim of the present study was to evaluate whether the arithmetic achievement of children with cochlear implants (CI) was lower or comparable to that of their normal hearing peers and to identify predictors of arithmetic achievement in children with CI. In particular we related the arithmetic achievement o...
journal_title:International journal of pediatric otorhinolaryngology
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abstract:OBJECTIVE:Analysis of examination procedure and diagnosis of articulation problems by speech therapists. STUDY DESIGN:Survey study. MATERIALS AND METHODS:Eighty-five Dutch speech therapists (23% response), working in private practises or involved in language screening procedures in Youth Health Care, were questioned ...
journal_title:International journal of pediatric otorhinolaryngology
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 临床试验,杂志文章,随机对照试验
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abstract::Proboscis Lateralis (PL) is one of the congenital anomalies of the nose which presents as obvious deformity. This is a report of two cases of the rare anomaly PL. One presented with right PL and the second presented with left PL. In this rare anomaly, the nasal cavity on one side is completely normal while on the affe...
journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 临床试验,杂志文章
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journal_title:International journal of pediatric otorhinolaryngology
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journal_title:International journal of pediatric otorhinolaryngology
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pub_type: 杂志文章
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章,评审
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
doi:10.1016/j.ijporl.2013.05.009
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更新日期:2009-12-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
doi:10.1016/s0165-5876(98)00005-6
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journal_title:International journal of pediatric otorhinolaryngology
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章,评审
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更新日期:1998-09-15 00:00:00
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
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更新日期:2017-03-01 00:00:00
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
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更新日期:2020-06-01 00:00:00
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journal_title:International journal of pediatric otorhinolaryngology
pub_type: 杂志文章
doi:10.1016/j.ijporl.2010.04.002
更新日期:2010-07-01 00:00:00