GRIN2A

基因产物:N-甲基-D-天门冬氨酸受体(NMDA)亚单位2A。

蛋白功能:属于NMDA受体复合物的组成部分,该受体属于配体门控的离子型谷氨酸受体,在中枢神经系统中广泛表达,介导兴奋性突触传递过程中的慢钙电流成分,在突触传递的长时程增强中起重要作用,和学习和记忆形成有关[1, 2]。

相关疾病:伴中央颞区棘波的儿童癫痫 (原先习惯叫BECT),不典型儿童癫痫伴中央颞区棘波(原先习惯叫BECT变异型Ⅰ型),Landau-Kleffner 综合征癫痫性脑病伴慢波睡眠期持续棘慢波(AD)[3, 4],West 综合征[5]。

突变数据库:ClinVar数据库

相关临床研究:PubMed数据库(PMID: 28109652 (Eur J Paediatr Neurol. 2017)

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参考文献

  1. Traynelis, S.F., et al., Glutamate receptor ion channels: structure, regulation, and function.Pharmacol Rev, 2010. 62(3): p. 405-96.
  2. Paoletti, P., C. Bellone, and Q. Zhou, NMDA receptor subunit diversity: impact on receptor properties, synaptic plasticity and disease.Nat Rev Neurosci, 2013. 14(6): p. 383-400.
  3. Lesca, G., et al., GRIN2A mutations in acquired epileptic aphasia and related childhood focal epilepsies and encephalopathies with speech and language dysfunction.Nat Genet, 2013. 45(9): p. 1061-6.
  4. Lemke, J.R., et al., Mutations in GRIN2A cause idiopathic focal epilepsy with rolandic spikes.Nat Genet, 2013. 45(9): p. 1067-72.
  5. McTague, A., et al., The genetic landscape of the epileptic encephalopathies of infancy and childhood. Lancet Neurol, 2016. 15(3): p. 304-16.