期刊
CURRENT OPINION IN MICROBIOLOGY
卷 33, 期 -, 页码 7-12出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.mib.2016.05.005
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Infections caused by antibiotic-resistant pathogens, particularly Gram-negative bacteria, represent, significant treatment challenges for physicians resulting in high rates of morbidity and mortality. The outer membrane of Gram-negative bacteria acts as a permeability barrier to many compounds that would otherwise be effective antibacterial agents, including those effective against Gram-positive pathogens. Potentiator molecules disrupt this barrier allowing entry of otherwise impermeant molecules, thus providing a strategy to render multi-drug resistant pathogens susceptible to a broader range of antibiotics. Potentiator molecules are cationic and the mechanism of disruption involves interaction with the negatively charged outer membrane. This physical attribute, along with an often high degree of lipophilicity typically endears these molecules with unacceptable toxicity. Presented herein are examples of advanced potentiator molecules being evaluated for use in combination therapy for the treatment of resistant Gram-negative infections.
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