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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Eur Rev Med Pharmacol Sci:利用DNA芯片检测遗传性听力损失基因

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

Iran J Otorhinolaryngol:突发性感官听力损失中鼓膜内地塞米松-透明质酸治疗作用分析

听力损失是一种常见的疾病,通常通过全身用药和/或者鼓膜内注射皮质类固醇来进行治疗。最近,有研究人员比较了鼓膜内注射地塞米松以及与透明质酸结合注射时,对突发性感官听力损失病人的治疗效应。在该次临床实践中,40名病人被随机分配到2个组;在第一个小组中,20名病人接受2.4毫克鼓膜内地塞米松注射,然而在第二小组中,病人接受2.4毫克地塞米松和2毫克透明质酸组合注射。两个小组的病人每隔一天进行一次注射,总