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    • 1. 发明申请
    • METHODS OF MODIFYING THE DYSTROPHIN GENE AND RESTORING DYSTROPHIN EXPRESSION AND USES THEREOF
    • 修复Dostrophin基因及恢复Dystrophin表达的方法及其应用
    • WO2018053632A1
    • 2018-03-29
    • PCT/CA2017/051109
    • 2017-09-21
    • UNIVERSITÉ LAVAL
    • TREMBLAY, Jacques P.LYOMBE-ENGEMBE, Jean-PaulCHAPDELAINE, PierreAGUDELO, DanielDUCHÊNE, Benjamin
    • C12N15/12A61K48/00A61P21/00C07K14/47C12N15/09C12N15/11C12N15/86C12N9/22
    • Methods for modifying a dystrophin gene are disclosed, for restoring dystrophin expression within a cell having an endogenous frameshift or nonsense mutation within the dystrophin gene. The methods comprise introducing a first cut within an exon or intron of the dystrophin gene creating a first exon end or intron end, wherein said first cut is located upstream of the endogenous frameshift or nonsense mutation; and introducing a second cut within an exon or intron of the dystrophin gene creating a second exon end or intron end, wherein said second cut is located downstream of the frameshift or nonsense mutation. Upon joining/ligation of said first and second exon ends or intron ends a hybrid exon or intron junction is created and dystrophin expression is restored, as the correct reading frame is restored. Reagents and uses of the method are also disclosed, for example to treat a subject suffering from muscular dystrophy.
    • 公开了用于修复肌营养不良蛋白基因的方法,用于恢复肌营养不良蛋白在肌营养不良蛋白基因内具有内源性移码或无义突变的细胞内的表达。 所述方法包括在肌营养不良蛋白基因的外显子或内含子内引入第一次切割,产生第一外显子末端或内含子末端,其中所述第一次切割位于内源移码或无义突变的上游; 并在肌营养不良蛋白基因的外显子或内含子内引入第二次切割,产生第二外显子末端或内含子末端,其中所述第二次切割位于移码或无义突变的下游。 在连接/连接所述第一和第二外显子末端或内含子末端时,随着恢复正确的阅读框架,产生杂交外显子或内含子连接并恢复肌养蛋白表达。 还公开了该方法的试剂和用途,例如用于治疗患有肌营养不良症的受试者。