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A novel peptide interferes with Mycobacterium tuberculosis virulence and survival

机译:一种新型肽干扰结核分枝杆菌的毒力和存活

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Tuberculosis (TB) is a huge global burden, with new and resistant strains emerging at an alarming rate, necessitating an urgent need for a new class of drug candidates. Here, we report that SL3, a novel 33-amino acid peptide, causes debilitating effects on mycobacterial morphology. Treatment with SL3 drastically inhibits the growth of Mycobacterium tuberculosis in vitro as well as in a pre-clinical mouse model for M.tb infection. Microarray analysis of SL3-expressing strain demonstrates wide-scale transcriptional disruption in M.tb. We therefore believe that SL3 and similar peptides may herald a new approach towards discovering new molecules for TB therapy.
机译:结核病(TB)是一个巨大的全球负担,新的耐药菌株以惊人的速度出现,因此迫切需要一种新型的候选药物。在这里,我们报告SL3,一种新型的33个氨基酸的肽,对分枝杆菌的形态造成衰弱的影响。用SL3处理可在体外以及结核分枝杆菌感染的临床前小鼠模型中极大地抑制结核分枝杆菌的生长。表达SL3的菌株的微阵列分析表明M.tb中的大规模转录破坏。因此,我们认为SL3和类似的肽可能预示着一种新的方法来发现用于结核病治疗的新分子。

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