Nature:强大!一种化合物就可治疗三种寄生虫病

2016-08-10 佚名 生物谷

图片摘自:studyblue.com近日,刊登于国际杂志Nature上的一项研究报告中,来自诺华医疗研究基金会基因组研究所等机构的研究人员通过研究鉴别出了一种新型化合物,该化合物可以杀灭引发三种被忽视疾病的寄生虫,这三种疾病分别为:美洲锥虫病、利什曼病和非洲锥虫病;这些疾病在拉丁美洲、亚洲及非洲影响着数百万人的健康,但目前并没有有效的疗法来对其进行治疗。 文章中,研究者指出,利用单一类别的药物或

图片摘自:studyblue.com

近日,刊登于国际杂志Nature上的一项研究报告中,来自诺华医疗研究基金会基因组研究所等机构的研究人员通过研究鉴别出了一种新型化合物,该化合物可以杀灭引发三种被忽视疾病的寄生虫,这三种疾病分别为:美洲锥虫病、利什曼病和非洲锥虫病;这些疾病在拉丁美洲、亚洲及非洲影响着数百万人的健康,但目前并没有有效的疗法来对其进行治疗。

文章中,研究者指出,利用单一类别的药物或许就可以治疗上述三种寄生虫病,如今研究者在小鼠中鉴别出了可以彻底治疗这些疾病的化合物,实验室研究中该化合物并不会损伤人类细胞,这就为后期开发新一代药物提供了新的思路。美洲锥虫病、利什曼病和非洲锥虫病三种疾病患者有着不同疾病症状,但其均是由锥虫动质体(kinetoplastids)引发的,锥虫动质体是一种单细胞有机体,这些寄生虫有着相似的生物学和遗传性特性,长期以来科学家们都希望可以找到一种摧毁上述三种寄生虫病的新药,而本文研究就提供了巨大的帮助。

研究者对300多万种不同的化合物进行了检测,最终鉴别出了一种名为GNF6702的化合物,其可以有效抵御寄生虫的感染,同时还不会损伤人类细胞,在进行小鼠实验前研究者对该化合物进行了提纯使其具有更强的作用。研究者Frantisek Supek说道,我们发现这些寄生虫拥有一种共同的弱点,我们希望利用这一弱点开发出可以治疗上述三种疾病的新型药物。

Stephen Caddick博士指出,每年这三种疾病在全球都会导致5万多人死亡,然而这项研究及药物开发并没有得到太多的资助,我们希望早期的研究结果可以支持后期继续深入研究,来为开发新型疗法治疗这三种寄生虫病提供一定帮助。当前治疗这三种疾病的疗法非常昂贵,而且通常效力有限且会给患者带来一定副作用,实际上本文中研究者鉴别出的化合物GNF6702似乎并不会给小鼠带来副作用,相比当前药物而言其并不会产生任何副作用,当然后期还需要在人类临床试验中进一步证实,如今在该化合物进入临床试验之前其应当进行一定的毒性试验。

这项研究由诺华医疗研究基金会基因组研究所的研究者Frantisek Supek、诺华热带疾病研究所、约克大学、华盛顿大学及格拉斯格大学的研究者共同联合进行,由维康基金会(Wellcome Trust)和美国国立卫生研究院提供资助。

原始出处

Shilpi Khare, Advait S. Nagle, Agnes Biggart, Yin H. Lai, Fang Liang, Lauren C. Davis, S. Whitney Barnes, Casey J. N. Mathison, Elmarie Myburgh, Mu-Yun Gao, J. Robert Gillespie, Xianzhong Liu, Jocelyn L. Tan, Monique Stinson, Ianne C. Rivera, Jaime Ballard, Vince Yeh, Todd Groessl, Glenn Federe, Hazel X. Y. Koh, John D. Venable, Badry Bursulaya, Michael Shapiro, Pranab K. Mishra, Glen Spraggon et al.Proteasome inhibition for treatment of leishmaniasis, Chagas disease and sleeping sickness.Nature.2016

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    2017-03-10 lecoo

    对于寄生虫的复合感染或者多重感染的药物研究很重要的启发

    0

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    2017-07-11 仁心济世
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    2016-08-11 oo902

    寄生虫病也应该引起关注

    0

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    2016-08-11 oo902

    强大的药物

    0

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    2016-08-10 明崖

    医学又再一步前进,人类对疾病更加有信心

    0

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