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Int J Pediatr Otorhinolaryngol:PJVK和MYO15A基因中的纯合突变与非综合征听力损失相关

2017-10-09 AlexYang MedSci原创

常染色体隐性遗传非综合征听力损失是一种异质性疾病并且是最为流行的人类遗传感官缺陷疾病。最近,有研究人员调查了在摩洛哥病人中感官听力损失的遗传方面起因,并且在患有永久性耳聋的两个摩洛哥家庭中呈现了全外显子组测序(WES)在鉴定候选基因中的重要性。研究人员在排除了之前在摩洛哥耳聋病人中报道过的突变后,研究人员进行了全外显子组测序和并利用Sanger测序来确定这些基因中的变异。研究揭示了c.113_11

常染色体隐性遗传非综合征听力损失是一种异质性疾病并且是最为流行的人类遗传感官缺陷疾病。最近,有研究人员调查了在摩洛哥病人中感官听力损失的遗传方面起因,并且在患有永久性耳聋的两个摩洛哥家庭中呈现了全外显子组测序(WES)在鉴定候选基因中的重要性。

研究人员在排除了之前在摩洛哥耳聋病人中报道过的突变后,研究人员进行了全外显子组测序和并利用Sanger测序来确定这些基因中的变异。

研究揭示了c.113_114insT (p.Lys41GlufsX8)和c.406C > T (p.Arg130X)在PJVK基因中的纯合变异和在MYO15A基因中 c.5203C > T (p.Arg1735Trp) 的纯合变异,另外,这两个基因分别负责综合征隐性听力损失DFNB59和DFNB3。最后,研究人员指出,他们在摩洛哥耳聋病人中鉴定除了PJVK基因中的2个变异和MYO15A基因中的1个变异,并且是首次阐释了这些变异与非综合征听力损失相关。这些结果也表明了全外显子组测序是鉴定异质性障碍且具有许多致病基因中病理变异的一个强有力的诊断策略。

原始出处:

Salime S, Charif M, Bousfiha A et al. Homozygous mutations in PJVK and MYO15A genes associated with non-syndromic hearing loss in Moroccan families. Int J Pediatr Otorhinolaryngol. Oct 2017.

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    2018-06-21 feather89
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    2017-10-11 ysjykql
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    2017-10-09 changjiu

    学习了.谢谢

    0

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最近,有研究人员比较了学龄前儿童中,患有听力损失和不患有听力损失的紧急读写能力,研究时间持续了6个月。参与者包括了19名患有听力损失的而儿童和14名正常听力的儿童。患有听力损失的儿童使用放大器和口语。参与者在6个月调查期间完成了2次的口语、语言处理和文字知识测试。研究人员还利用一系列方差的重复测量分析比较了不同小组之间的变化。研究发现,时间的主要影响涉及到了所有变量,但不包括语言处理。小组之间的主

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最近,有研究人员在患有临床零星耳聋的病人中,利用DNA芯片技术筛选了相关遗传基因,并且评估了临床检测的应用价值。研究人员提取了病人静脉血的DNA,并应用于PCR分析,还在万级洁净室内进行了核酸杂交分析。还对中国人群中常见的4个耳聋基因的9个突变位点进行了测试。研究发现,在24名病人中,检测到了7个具有变异的案例,阳性率为29.17%。这些包括4个具有GJB2基因变异的案例(16.67%),其中的1

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