Suppression of nonsense mutations as a therapeutic approach to treat genetic diseases.

Suppression of nonsense mutations as a therapeutic approach to treat genetic diseases.
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DOI:
10.1002/wrna.95
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发表时间:
2011-11
影响因子:
7.3
通讯作者:
Bedwell, David M.
Bedwell, David M.
中科院分区:
生物学2区
文献类型:
--
作者:
Keeling, Kim M.;Bedwell, David M.

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抑制疗法是一种治疗无义突变引起的遗传性疾病的策略。这种治疗方法利用抑制框内提前终止密码子(PTC)处的翻译终止的药理学试剂来恢复全长功能性多肽的翻译。沿着讨论了各种类型的化合物抑制哺乳动物细胞中PTC的效率以及这种疗法的当前局限性。我们还阐述了提高抑制效率的方法,包括提高当前抑制药物有效性的方法,以及设计或发现新的更有效的抑制剂。最后,我们讨论了无义介导的mRNA衰变(NMD)在限制抑制治疗的有效性中的作用,并描述了可能允许NMD的效率被调制以增强抑制治疗的策略。
Suppression therapy is a treatment strategy for genetic diseases caused by nonsense mutations. This therapeutic approach utilizes pharmacological agents that suppress translation termination at in-frame premature termination codons (PTCs) to restore translation of a full-length, functional polypeptide. The efficiency of various classes of compounds to suppress PTCs in mammalian cells is discussed along with the current limitations of this therapy. We also elaborate on approaches to improve the efficiency of suppression that include methods to enhance the effectiveness of current suppression drugs, and the design or discovery of new, more effective suppression agents. Finally, we discuss the role of nonsense-mediated mRNA decay (NMD) in limiting the effectiveness of suppression therapy, and describe tactics that may allow the efficiency of NMD to be modulated in order to enhance suppression therapy.
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