Neurology:齐鲁医院:线粒体ND3突变引起的迁移性罗兰德脑病1例

2021-10-30 Naomii MedSci原创

Rolandic 癫痫 (RE) 或伴有中心颞部棘波 (BECT) 的儿童良性癫痫是最常见的儿童特发性部分癫痫综合征。 m.10191T>C突变可能出现在迁移性罗兰德脑病。

      Rolandic 癫痫 (RE) 或伴有中心颞部棘波 (BECT) 的儿童良性癫痫是最常见的儿童特发性部分癫痫综合征,其中“特发性”意味着遗传倾向。尽管长期以来人们认为 RE 具有遗传成分,但临床和遗传研究显示出复杂的遗传模式。此外,最近关于双胞胎研究的报告挑战了 RE 中潜在的主要遗传影响。同时,许多基因或基因座已被证明与 RE/非典型 RE (ARE) 谱相关,在 ARE 中具有更高频率的致病变异。然而,对 RE 谱中更常见形式的遗传基础的全面了解仍然难以捉摸。近日,来自山东大学齐鲁医院的研究人员报道了一则发生了m.10191T>C突变的RE病例:

 

      一名18岁的女性因局灶性癫痫而入院治疗。经系列MRI检查显示为迁移性罗兰病变(图A-D),当病变出现时,脑电图显示尖锐的波形。最初的鉴别诊断包括脑静脉血栓形成、MOGAD和代谢紊乱。MRV、血清和脑脊液分析均未发现。NGS对尿沉渣mtDNA的分析显示,mt-ND3基因存在致病性m.10191T>C突变(突变载量为87%)。进一步分析发现m.10191T>C变异在血液(24%)和口腔粘膜(86%)细胞中是异质性的。这个案例说明m.10191T>C突变可能出现在迁移性罗兰德脑病。

患者1年前首次神经学检查时的FLAIR图像(A),2个月后左侧罗兰迪克皮质的微小病变消失(B),9个月后再次出现(C)。随后,右侧罗兰迪克皮质又出现了类似的微小病变(D)。

(A)患者1年前做的FLAIR头部影像检查

(B)2个月后位于左侧Rolandic皮层的微小损伤消失,并在9个月后再次出现(C)

(D)随后发生在右侧Rolandic皮层的相似微小损伤

 

文献来源:https://n.aan.80599.net/content/early/2021/10/28/WNL.0000000000013015

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    2022-06-18 yinhl1978
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    2022-06-12 showtest
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    2021-11-01 1207866fm50(暂无昵称)

    谢谢分享

    0

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    2021-11-01 病毒猎手

    这个#病例报道#能发表主要原因:1 病例罕见,其临床特征和影像学资料有价值;2 搞清楚根本原因,是基因突变,对未来探究有价值 3 这个病例很容易被#癫痫#常见病所掩盖,更值得临床注意,这三点是病例的最大价值点,因此,可以发表顶刊上

    0

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线粒体功能障碍通常表现为多系统疾病,经常涉及高能量需求的组织,如大脑、骨骼肌和心脏。

Nat Commun:绿脓菌素具有治疗线粒体疾病的潜力

最近,研究人员表明,绿脓菌素,一种来自细菌的氧化还原酶,可以取代复合体III的氧化还原功能,起到电子分流的作用。

Nature:突破!刘如谦团队实现线粒体DNA精准编辑

刘如谦团队描述了一种细菌间毒素,命名为DddA,可以催化dsDNA内的胞嘧啶的脱氨。

“三亲婴儿”,生育的权利谁说了算?

三亲婴儿,又称3P婴儿(3P,即英文three parents的缩写),遗传了“三亲”的DNA,分别是父亲精子的细胞核DNA、母亲卵子的细胞核DNA以及母亲卵子中独立于细胞核的线粒体DNA(来自第三方捐卵志愿者的去核卵细胞),也就是说这个孩子有两个妈妈,一个爸爸。

Nature:基因疗法治疗线粒体疾病迈出关键一步

近日,来自美国俄勒冈健康与科学大学的研究人员在著名国际学术期刊nature在线发表了一项最新研究进展,他们在利用全新的基因和干细胞疗法治疗线粒体疾病方面迈出了关键的第一步。 在美国,每年有1000~4000名新生儿患有线粒体DNA疾病,线粒体DNA突变会引起许多严重疾病的发生,其中包括糖尿病、耳聋、眼病、胃肠道疾病、心脏病、痴呆以及其他一些神经相关疾病。但到目前为止仍没有有效的方法能够对

2022 UK最佳实践指南:线粒体疾病的基因检测

国外遗传代谢性疾病专家组(统称) · 2022-12-13

2022 麦哲伦临床医疗指南:基因检测-代谢、内分泌和线粒体疾病

麦哲伦医疗保健 Magellan Healthcare · 2022-07-01