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find Keyword "致病基因" 3 results
  • 特发性全面性癫痫易感基因的研究

    随着生物信息学的飞速发展, 特发性全面性癫痫(Genetic generalized epilepsy, GGE)发病被证实与遗传因素密切相关, 越来越多的易感基因被发现, 同时其发病机制亦陆续被深入研究。大部分的突变基因为编码离子通道蛋白的基因, 但离子通道基因突变仅能解释GGE的少数家系或散发病例, 故对GGE的易感基因与发病机制进行阐明, 有利于GGE的后续遗传学研究。

    Release date:2017-01-22 09:09 Export PDF Favorites Scan
  • Familial exudative vitreoretinopathy

    Familial exudative vitreoretinopathy (FEVR) is a severe inherited vitreoretinal disorder. Recently, mutations in genes encoding frizzled 4 (FZD4), low density lipoprotein receptor-related protein 5 (LRP5), norrie disease protein (NDP), tetraspanin 12 (TSPAN12), zinc fmger protein 408 (ZNF408), kinesin family member 11 (KIF11) have so far been identified to cause FEVR. The former four genes have been shown to participate in the Wnt and Norrin-β-catenin signal pathway, which perform a crucial role for this pathway in ocular and vascular development. The primary clinical feature of FEVR is incomplete retinal vascular development on the temporal side of the peripheral retina, with or without abnormal retinal vascular differentiation. The clinical manifestations of this disease differ greatly among patients, from asymptomatic to complete retinal detachments with blindness. Fundus angiography and genetic screening are the main diagnostic methods for this disease and the early screening is extremely important in the treatment and prognosis. The progress can be controlled by laser treatment at the initial stage. Scleral buckling surgery and vitrectomy can be performed with advanced retinal detachment, but the prognosis is poor. The effect of anti-vascular endothelial growth factor drugs on new blood vessels may play a certain role in its treatment. With the in-depth study of pathogenesis, selective targeted treatment of FEVR pathogenic genes will become a new direction of treatment for some kinds of phenotype. This article reviews the recent advances of FEVR.

    Release date:2018-11-22 04:28 Export PDF Favorites Scan
  • 常染色体显性遗传夜间额叶癫痫的基因学研究现状

    常染色体显性遗传夜间额叶癫痫(Autosomal dominant nocturnal frontal lobe epilepsy,ADNFLE)首先由 Lugaresi 等描述,是第一个发现致病基因的癫痫综合征。迄今为止,已鉴定出的可能致病基因有CHRNA4、CHRNB2、CHRNA2、KCNT1、DEPDC5、CRH、CABP4,外显率 70%~80%,但已发现的基因仅能解释部分患者的病因,不同种族仍具有较大的遗传异质性。文章回顾了 ADNFLE 近几年的流行病学、临床体征、致病基因研究及基因测序技术等,为已发现的致病基因提供解释,并为未来寻找新的基因提供方向。

    Release date:2019-03-21 11:04 Export PDF Favorites Scan
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