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    find Keyword "致病基因" 3 results
    • 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
    • 特發性全面性癲癇易感基因的研究

      隨著生物信息學的飛速發展, 特發性全面性癲癇(Genetic generalized epilepsy, GGE)發病被證實與遺傳因素密切相關, 越來越多的易感基因被發現, 同時其發病機制亦陸續被深入研究。大部分的突變基因為編碼離子通道蛋白的基因, 但離子通道基因突變僅能解釋GGE的少數家系或散發病例, 故對GGE的易感基因與發病機制進行闡明, 有利于GGE的后續遺傳學研究。

      Release date:2017-01-22 09:09 Export PDF Favorites Scan
    • 常染色體顯性遺傳夜間額葉癲癇的基因學研究現狀

      常染色體顯性遺傳夜間額葉癲癇(Autosomal dominant nocturnal frontal lobe epilepsy,ADNFLE)首先由 Lugaresi 等描述,是第一個發現致病基因的癲癇綜合征。迄今為止,已鑒定出的可能致病基因有CHRNA4、CHRNB2、CHRNA2、KCNT1、DEPDC5、CRH、CABP4,外顯率 70%~80%,但已發現的基因僅能解釋部分患者的病因,不同種族仍具有較大的遺傳異質性。文章回顧了 ADNFLE 近幾年的流行病學、臨床體征、致病基因研究及基因測序技術等,為已發現的致病基因提供解釋,并為未來尋找新的基因提供方向。

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