The potential of RNA interference-based therapies for viral infections.

The potential of RNA interference-based therapies for viral infections.
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DOI:
10.1007/s11904-008-0006-4
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发表时间:
2008-02
影响因子:
4.6
通讯作者:
Huang DD
Huang DD
中科院分区:
医学2区
文献类型:
--
作者:
Huang DD

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RNA干扰(RNAi)是细胞中抑制或沉默异常或外源基因表达的自然机制。这种活性正在被开发为一种潜在的抗病毒治疗策略。体外研究和一些体内研究似乎表明,使用RNAi治疗病毒感染是可行的。RNAi的治疗用途似乎是有希望的,当直接针对病毒,导致局部急性感染可达的靶细胞。使用RNAi对抗引起慢性感染的病毒(如HIV、乙肝病毒或丙肝病毒)的治疗策略更难以设计,但研究已经开始解决可识别的问题。最近已经启动了两项使用RNAi的临床试验——一项针对呼吸道合胞病毒的II期试验和一项针对艾滋病毒的I期试验。核酸疗法是否能提供另一种治疗病毒感染的途径,这将是非常有趣的。
RNA interference (RNAi) is a natural mechanism in cells that suppresses or silences the expression of aberrant or foreign genes. This activity is being developed as a potential antiviral therapeutic strategy. Studies in vitro, and some in vivo, appear to show the feasibility of using RNAi to treat virus infection. Therapeutic use of RNAi seems to be promising when directed against viruses that cause localized acute infections in accessible target cells. Therapeutic strategies using RNAi against viruses that cause chronic infections, such as HIV, hepatitis B virus, or hepatitis C virus, are more difficult to design, but studies have begun to address identifiable problems. Two clinical trials using RNAi have recently been initiated—one phase II trial against respiratory syncytial virus and a phase I trial against HIV. It will be of much interest to see whether nucleic acid therapies can offer another route to treating viral infection.
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