SCN8A基因介绍

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SCN8A基因介绍 创建者 凤凰仅代表作者观点,不作为诊疗依据

基因产物:钠离子通道α8亚基。

蛋白功能:主要在脑内表达,可与钠离子通道β亚基组成电压门控性钠通道。

相关疾病:家族性肌阵挛(AD)[1];认知障碍伴或不伴小脑共济失调(AD)[2];早发性癫痫脑病(AD)[3]; 自限性家族性婴儿癫痫 (AD)[4];发育性癫痫性脑病13型(部分可表现为 婴儿癫痫伴游走性局灶性发作 (AD)[5]; Lennox-Gastaut综合征 (AD)[6]; Dravet 综合征 (AD)[7]; 大田原综合征 (AD)[8])。

相关临床研究:PubMed数据库(PMID: 31402610 (Ann Clin Transl Neurol. 2019)

用药提醒多数为功能增强型,对钠通阻滞剂有一定效果。 


参考文献
  1. Wagnon, J.L., et al., Partial loss-of-function of sodium channel SCN8A in familial isolated myoclonus.Hum Mutat, 2018. 39(7): p. 965-969.
  2. Trudeau, M.M., et al., Heterozygosity for a protein truncation mutation of sodium channel SCN8A in a patient with cerebellar atrophy, ataxia, and mental retardation.J Med Genet, 2006. 43(6): p. 527-30.
  3. Ohba, C., et al., Early onset epileptic encephalopathy caused by de novo SCN8A mutations.Epilepsia, 2014. 55(7): p. 994-1000.
  4. Gardella, E., et al., Benign infantile seizures and paroxysmal dyskinesia caused by an SCN8A mutation.Ann Neurol, 2016. 79(3): p. 428-36.
  5. Ohba, C., et al., Early onset epileptic encephalopathy caused by de novo SCN8A mutations. Epilepsia, 2014. 55(7): p. 994-1000.
  6. Mastrangelo, M., Lennox-Gastaut Syndrome: A State of the Art Review. Neuropediatrics, 2017. 48(3): p. 143-151.
  7. Steel, D., et al., Dravet syndrome and its mimics: Beyond SCN1A. Epilepsia, 2017. 58(11): p. 1807-1816.
  8. McTague, A., et al., The genetic landscape of the epileptic encephalopathies of infancy and childhood. Lancet Neurol, 2016. 15(3): p. 304-16.
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