Reduction of retinal ganglion cell death in mouse models of familial dysautonomia using AAV-mediated gene therapy and splicing modulators.

Reduction of retinal ganglion cell death in mouse models of familial dysautonomia using AAV-mediated gene therapy and splicing modulators.
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DOI:
10.1038/s41598-023-45376-w
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发表时间:
2023-10-30
期刊:
影响因子:
4.6
通讯作者:
Lefcort, Frances
Lefcort, Frances
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Schultz, Anastasia;Cheng, Shun-Yun;Kirchner, Emily;Costello, Stephanann;Miettinen, Heini;Chaverra, Marta;King, Colin;George, Lynn;Zhao, Xin;Narasimhan, Jana;Weetall, Marla;Slaugenhaupt, Susan;Morini, Elisabetta;Punzo, Claudio;Lefcort, Frances

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家族性自主神经异常(FD)是一种罕见的神经发育和神经退行性疾病,由拉长乙酰转移酶复合体亚基1 (ELP1)基因剪接突变引起。ELP1 mRNA和蛋白的减少导致所有FD患者视网膜神经节细胞(RGCs)死亡和视力障碍。目前患者的症状得到了控制,但没有治疗这种疾病的方法。我们试图验证恢复Elp1水平可以阻止FD中RGCs死亡的假设。为此,我们测试了两种挽救RGCs的治疗策略的有效性。在这里,我们提供了概念验证数据,证明基因替代疗法和小分子剪接修饰剂有效地减少了FD小鼠模型中RGCs的死亡,并为FD患者提供了临床前基础数据。
Familial dysautonomia (FD) is a rare neurodevelopmental and neurodegenerative disease caused by a splicing mutation in the Elongator Acetyltransferase Complex Subunit 1 (ELP1) gene. The reduction in ELP1 mRNA and protein leads to the death of retinal ganglion cells (RGCs) and visual impairment in all FD patients. Currently patient symptoms are managed, but there is no treatment for the disease. We sought to test the hypothesis that restoring levels of Elp1 would thwart the death of RGCs in FD. To this end, we tested the effectiveness of two therapeutic strategies for rescuing RGCs. Here we provide proof-of-concept data that gene replacement therapy and small molecule splicing modifiers effectively reduce the death of RGCs in mouse models for FD and provide pre-clinical foundational data for translation to FD patients.
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