Sci Trans Med:SARS抗病毒疗法新进展

2017-06-30 佚名 Antiviral inhibits e

2017年6月29日--根据发表在最近一期的《Science Translational Medicine》杂志上的一篇文章,一类新的抗病毒药物前体具有广谱性的抑制冠状病毒(包括SARS、MERS等)的作用。这一发现为未来的相关药物开发提供了思路,或许有利于预防未来可能出现的流行病疫情。

2017年6月29日--根据发表在最近一期的《Science Translational Medicine》杂志上的一篇文章,一类新的抗病毒药物前体具有广谱性的抑制冠状病毒(包括SARS、MERS等)的作用。这一发现为未来的相关药物开发提供了思路,或许有利于预防未来可能出现的流行病疫情。

冠状病毒是一类差异较大的病毒毒株的总称,其中一些病毒能够感染鸟类以及哺乳动物,而大部分冠状病毒仅能够感染特定宿主,对于人类来说,冠状病毒造成了30%的常见感冒症状。过去15年来,科学家们发现冠状病毒存在物种间感染的特性,以及会引发严重急性呼吸道综合征(SARS)以及中东呼吸道综合征(MERS)。

(图片来源: T.P. Sheahan et al., Science Translational Medicine )

然而,到目前为止还没有有效的针对冠状病毒的抗病毒药物出现。来自范德堡大学的Mark Denison教授等人希望找到一种能够抑制病毒复制的小分子化合物。通过体外培养实验,作者发现其中一种化合物能够有效抑制病毒的复制,这种化合物叫做GS-5734,目前已经进入了抑制Ebola病毒的临床开发阶段。而Mark Denison的合作者,来自北卡大学的Ralph Baric博士等人通过体外培养实验证明GS-5734能够有效抑制SARS以及MERS的复制。此外,研究者们还发现GS-5734能够有效对抗一类能够感染人体的冠状病毒-蝙蝠冠状病毒。

利用SARS的小鼠模型,作者证明了感染前后加入GS-5734能够降低病毒的复制能力并提高呼吸道的相关机能。

Denison等人希望继续以这一化合物作为突破口,研究病毒的生物学特性,以及药物的作用原理,并且希望能够鉴定出新的冠状病毒抑制靶点。

原始出处:
T.P. Sheahan el al.. Broad-spectrum antiviral GS-5734 inhibits both epidemic and zoonotic coronaviruses.Science Translational Medicine 

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    2018-02-02 bsmagic9140
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    2017-07-02 1dd8c52fm63(暂无匿称)

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    2017-07-02 yahu
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    2017-07-02 小刀医生
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    2017-07-01 吴教授

    学习了,学习了

    0

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