在SLC4A10中编码依赖二碳酸盐输送体的双变体导致神经发育障碍
Reza Maroofian1, Mina Zamani2, Rauan Kaiyrzhanov1
1Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, London, United Kingdom.
概括
SLC4A10基因中的致病变体与神经发育障碍有关. 这些遗传突变导致中枢神经系统异常,包括改变的大脑心室,类似于Slc4a10淘汰赛小鼠模型.
科学领域:
- 遗传学 是一个遗传学.
- 神经科学是一个神经科学.
- 分子生物学分子生物学
背景情况:
- SLC4A10编码了一个对Na+依赖的HCO3-进口和净酸挤出至关重要的等离子体膜输送器.
- 淘汰赛Slc4a10小鼠表现出神经缺陷,包括脑室缩,发作和行为异常.
研究的目的:
- 为了确定未被诊断的神经发育障碍的遗传原因.
- 研究SLC4A10变异在受影响患者中的功能后果.
主要方法:
- 在神经发育障碍的家庭中进行外基因组/基因组测序.
- 临床放射学和形学评估.
- 微基因测试,局部化研究,细胞内pH记录和蛋白质建模.
主要成果:
- 鉴定了来自6个家庭的11名患有双性SLC4A10变异的患者.
- 患者呈现全球发育迟缓,智力障碍,低血压,小头症,缺氧和面部形;是罕见的.
- 神经成像显示了裂口心室和双边曲线结节异形;功能分析支持了几个变体的致病性.
结论:
- 致病性双性SLC4A10变体会导致神经发育障碍与中枢神经系统异常.
- 患者脑室的变化与Slc4a10淘汰小鼠的发现相似.
- 这项研究扩大了与SLC4A10功能障碍相关的表型谱.
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