TRICYCLO-DNA ANTISENSE OLIGONUCLEOTIDES, COMPOSITIONS, AND METHODS FOR THE TREATMENT OF DISEASE
    3.
    发明申请
    TRICYCLO-DNA ANTISENSE OLIGONUCLEOTIDES, COMPOSITIONS, AND METHODS FOR THE TREATMENT OF DISEASE 审中-公开
    TRICYCLO-DNA抗体寡核苷酸,组合物和治疗疾病的方法

    公开(公告)号:US20120149756A1

    公开(公告)日:2012-06-14

    申请号:US13263949

    申请日:2010-04-09

    摘要: Provided are tricyclo-DNA (tc-DNA) AON and methods employing tc-DNA AON for modifying splicing events that occur during pre-mRNA processing. Tricyclo-DNA (tc-DNA) AON are described that may be used to facilitate exon skipping or to mask intronic silencer sequences and/or terminal stem-loop sequences during pre-mRNA processing and to target RNase-mediated destruction of processed mRNA. Tc-DNA AON described herein may be used in methods for the treatment of Duchenne Muscular Dystrophy by skipping a mutated exon 23 or exon 51 within a dystrophin gene to restore functionality of a dystrophin protein; in methods for the treatment of Spinal Muscular Atrophy by masking an intronic silencing sequence and/or a terminal stem-loop sequence within an SMN2 gene to yield modified functional SMN2 protein, including an amino acid sequence encoded by exon 7, which is capable of at least partially complementing a non-functional SMN1 protein; and in methods for the treatment of Steinert's Myotonic Dystrophy by targeting the destruction of a mutated DM1 mRNA comprising 3′-terminal CUG repeats.

    摘要翻译: 提供三环DNA(tc-DNA)AON和使用tc-DNA AON来改变在mRNA前处理期间发生的剪接事件的方法。 描述了Tricyclo-DNA(tc-DNA)AON,其可用于促进外显子跳跃或在mRNA前处理期间掩盖内含子沉默子序列和/或末端茎环序列,并靶向核糖核酸酶介导的加工mRNA的破坏。 本文所述的Tc-DNA AON可用于通过跳过肌营养不良蛋白基因内突变外显子23或外显子51来恢复肌营养不良蛋白功能的方法来治疗杜氏肌营养不良症; 在通过掩蔽SMN2基因内的内含子沉默序列和/或末端茎环序列来治疗脊髓性肌萎缩的方法中,以产生修饰的功能性SMN2蛋白,包括由外显子7编码的氨基酸序列,其能够在 最少部分补充非功能性SMN1蛋白; 以及用于通过靶向包含3'-末端CUG重复序列的突变的DM1mRNA的破坏来治疗Steinert's强直性营养不良的方法。