PLOS ONE: 多重耐药菌的新疗法

2017-10-23 MedSci MedSci原创

在PLOS One发表的一项创新研究中,研究人员发现,新型化合物,如金属络合物,可用作传统抗生素的替代或补充,这些传统抗生素因耐药而变得无效。抗菌素耐药是一种微生物,如细菌或病毒,抵抗抗菌药物的作用,这种抗菌药物最初是治疗由它引起的感染的有效方法。抗微生物耐药性日益严重,全球每年有70万人死于耐药性感染,包括结核病、艾滋病毒和疟疾。一份关于抗微生物耐药性的综述预测,如果不采取行动,到2050年,耐


在PLOS One发表的一项创新研究中,研究人员发现,新型化合物,如金属络合物,可用作传统抗生素的替代或补充,这些传统抗生素因耐药而变得无效。

抗菌素耐药是一种微生物,如细菌或病毒,抵抗抗菌药物的作用,这种抗菌药物最初是治疗由它引起的感染的有效方法。抗微生物耐药性日益严重,全球每年有70万人死于耐药性感染,包括结核病、艾滋病毒和疟疾。一份关于抗微生物耐药性的综述预测,如果不采取行动,到2050年,耐药性感染每年将导致1000万人死亡。英国首席医疗官Dame Sally Davies说,这种对抗生素的耐药性可能预示着现代医学的终结。

在这篇研究中,人们发现粘菌素与一个新的锰羰基化合物联合使用时,抗菌活性显著增强。这种结合比单独使用粘菌素能更有效地杀死多药耐药细菌。在感染的昆虫模型中也证实了这一结论,其中在组合治疗组中观察到存活率为87%,而单独给予粘菌素的存活率为50%。这项工作突出了正在开发的许多抗菌药物的活性,姐妹抗菌剂甚至比第一种抗菌剂更加活跃。

来自萨里大学的主要作者Jonathan Betts博士说:"随着细菌继续快速进化,抗菌素耐药性是一个持续的威胁。这使得我们很难治疗细菌性疾病,因为许多抗生素变得多余,限制了对人和动物可用的治疗。"

然而,可以像我们的一样,通过将这些药物与一种新的金属络合物联用,从而可以延长它们的寿命和效力,帮助我们解决这一日益严重的威胁。与这种化合物联用时,不再有效的抗生素可能会被重新激活,为医疗专业人员治疗疾病提供更多的选择。

萨里大学兽医学院的病理学和传染病学系系主任Roberto La Ragione教授说:" 首席医疗官莎莉·戴维斯(Dame Sally Davies)警告说,抗生素耐药性带来的危险是前所未有的,这是正确的。"
"我们的抗生素正在用尽,但这种创新的方法可以提高抗生素的效力,至少在一段时间内,帮助我们解决这个日益严重的问题。"


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