Nat Commun:土壤细菌衍生的特殊化合物或有望成为抵御肺结核的新型疗法

2017-03-07 生物谷 生物谷

日前,一项刊登在国际杂志Nature Communications上的研究报告中,来自英国华威大学等多个机构的研究人员通过研究利用来自土壤中细菌衍生的化合物开发出了治疗肺结核(TB)的新型疗法。 文章中,研究者发现,某种土壤细菌所产生的化合物能够有效抑制其周围的细菌生长,利用合成化学技术,研究

图片来源:medicalxpress.com

日前,一项刊登在国际杂志Nature Communications上的研究报告中,来自英国华威大学等多个机构的研究人员通过研究利用来自土壤中细菌衍生的化合物开发出了治疗肺结核(TB)的新型疗法。

文章中,研究者发现,某种土壤细菌所产生的化合物能够有效抑制其周围的细菌生长,利用合成化学技术,研究人员就能够重新制造出结构变异的化合物,同时还能够将这些化合物转化成为具有高度潜力的化学类似物。在密闭的实验室进行检测后,研究人员发现,这些化合物类似物能够有效杀灭引发肺结核的结核分枝杆菌(Mycobacterium tuberculosis)。

这些化合物能够靶向作用结核分枝杆菌细胞中名为MraY的酶类,蛋白MraY能够催化构建细胞壁的关键步骤,因此靶向作用细菌的关键步骤或许就能够为抗菌化合物提供新的方法来攻击并且破坏结核分枝杆菌。研究者认为这种新型化合物就能够成功靶向作用结合分枝杆菌。经历了很多年,如今相比其它感染性疾病而言,肺结核依然会诱发很多人死亡,其中包括HIV/AIDs患者。据估计2015年就有1040万肺结核新发病例,同时140万患者也死于该病。

结核分枝杆菌如今对当前的疗法慢慢开始产生耐药性,这就意味着研究人员需要快速开发出有效抵御耐药性结核分枝杆菌感染的新型疗法;2015年有48万名患者都表现出了在使用两种主要药物治疗肺结核时无效的状况,而且据估计有超过25万肺结核死亡患者都死于耐药性的感染。研究者David Roper表示,如今我们专攻于利用结核分枝杆菌的细胞壁来作为靶点开发新型抗生素,同时基于本文的研究发现,未来我们或许会投入更多的研究来开发治疗肺结核的新型创新性疗法。

原始出处:

Anh T. Tran, Emma E. Watson, Venugopal Pujari, et al. Sansanmycin natural product analogues as potent and selective anti-mycobacterials that inhibit lipid I biosynthesis. Nature Communications, 01 March 2017. doi:10.1038/ncomms14414.

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    2017-09-03 liye789132251
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    2017-09-29 liuli5079
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