CRISPR/Cas9-Mediated Genome Editing Corrects Dystrophin Mutation in Skeletal Muscle Stem Cells in a Mouse Model of Muscle Dystrophy.

CRISPR/Cas9-Mediated Genome Editing Corrects Dystrophin Mutation in Skeletal Muscle Stem Cells in a Mouse Model of Muscle Dystrophy.
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DOI:
10.1016/j.omtn.2017.02.007
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发表时间:
2017-06-16
期刊:
Molecular therapy. Nucleic acids
影响因子:
--
通讯作者:
Wu WS
Wu WS
中科院分区:
其他
文献类型:
--
作者:
Zhu P;Wu F;Mosenson J;Zhang H;He TC;Wu WS

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肌肉干细胞(MuSC)对于杜氏肌营养不良症(DMD)等肌肉遗传性疾病具有巨大的治疗潜力。基于 CRISP/Cas9 的基因组编辑是纠正突变基因遗传改变的一项有前途的技术。在本研究中,我们使用纤维蛋白凝胶培养系统选择性地从 DMD 小鼠模型 mdx 小鼠的粗骨骼肌细胞中扩增 MuSC。通过基于 CRISP/Cas9 的基因组编辑,我们纠正了扩增的 MuSC 中的肌营养不良蛋白突变,并在移植到 mdx 小鼠中后恢复了骨骼肌肌营养不良蛋白的表达。我们的研究通过基因组编辑建立了一个可靠且可行的 MuSC 基因校正平台,从而极大地推进了针对 DMD 和其他肌肉疾病的组织干细胞疗法。
Muscle stem cells (MuSCs) hold great therapeutic potential for muscle genetic disorders, such as Duchenne muscular dystrophy (DMD). The CRISP/Cas9-based genome editing is a promising technology for correcting genetic alterations in mutant genes. In this study, we used fibrin-gel culture system to selectively expand MuSCs from crude skeletal muscle cells of mdx mice, a mouse model of DMD. By CRISP/Cas9-based genome editing, we corrected the dystrophin mutation in expanded MuSCs and restored the skeletal muscle dystrophin expression upon transplantation in mdx mice. Our studies established a reliable and feasible platform for gene correction in MuSCs by genome editing, thus greatly advancing tissue stem cell-based therapies for DMD and other muscle disorders.