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A screening analysis of the GJB2 c.176 del 16 mutation responsible for hereditary deafness in a Chinese family 被引量:2
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作者 Hao Jiang Xi Shi +3 位作者 Shiwei Qiu Yanfen Dong Yuehua Qiao Dongzhi Wei 《Journal of Otology》 CSCD 2016年第3期134-137,共4页
Objective:To determine whether a new-born child from a family carrying a deafness gene needs cochlear implantation to avoid dysphonia by screening and sequencing a deafness-related gene.Results:Both screening and sequ... Objective:To determine whether a new-born child from a family carrying a deafness gene needs cochlear implantation to avoid dysphonia by screening and sequencing a deafness-related gene.Results:Both screening and sequencing results confirmed that the new born child had a normal GJB2 gene despite the fact that she has a brother suffering from hearing loss triggered by an allelic GJB2 c.176 del 16 mutation.We cloned the GJB2 genes derived from their respective blood genomic DNA into GFP fused plasmids and transfected those plasmids into the 293 T cell line to test for gene function.While the mutated GJB2gene(GJB2 c.176 del 16) of her deaf brother was found to be unable to form the gap junction structure between two adjacent cells,the baby girl’s GJB2 gene ran into no such problems.Conclusion:The screening and sequencing as well as the GJB2 gene function tests invariably showed results consistent with the ABR tested hearing phenotype,which means that the child,with a normal wild type GJB2 gene,does not need early intervention to prevent her from developing hearing loss and dysphonia at a later stage in life. 展开更多
关键词 deafness gene screening GJB2 Gap junction
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