Kouznetsova Jennifer, Sun Wei, Martínez-Romero Carles, Tawa Gregory, Shinn Paul, Chen Catherine Z, Schimmer Aaron, Sanderson Philip, McKew John C, Zheng Wei, García-Sastre Adolfo
National Center for Advancing Translational Sciences, National Institutes of Health , Bethesda, MD 20892, USA.
Department of Microbiology, Icahn School of Medicine at Mount Sinai , New York, NY 10029, USA ; Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai , New York, NY 10029, USA.
Emerg Microbes Infect. 2014 Dec;3(12):e84. doi: 10.1038/emi.2014.88. Epub 2014 Dec 17.
In light of the current outbreak of Ebola virus disease, there is an urgent need to develop effective therapeutics to treat Ebola infection, and drug repurposing screening is a potentially rapid approach for identifying such therapeutics. We developed a biosafety level 2 (BSL-2) 1536-well plate assay to screen for entry inhibitors of Ebola virus-like particles (VLPs) containing the glycoprotein (GP) and the matrix VP40 protein fused to a beta-lactamase reporter protein and applied this assay for a rapid drug repurposing screen of Food and Drug Administration (FDA)-approved drugs. We report here the identification of 53 drugs with activity of blocking Ebola VLP entry into cells. These 53 active compounds can be divided into categories including microtubule inhibitors, estrogen receptor modulators, antihistamines, antipsychotics, pump/channel antagonists, and anticancer/antibiotics. Several of these compounds, including microtubule inhibitors and estrogen receptor modulators, had previously been reported to be active in BSL-4 infectious Ebola virus replication assays and in animal model studies. Our assay represents a robust, effective and rapid high-throughput screen for the identification of lead compounds in drug development for the treatment of Ebola virus infection.
鉴于当前埃博拉病毒病的爆发,迫切需要开发有效的治疗方法来治疗埃博拉感染,而药物重新利用筛选是识别此类治疗方法的一种潜在快速途径。我们开发了一种生物安全2级(BSL-2)1536孔板检测方法,用于筛选含有糖蛋白(GP)和与β-内酰胺酶报告蛋白融合的基质VP40蛋白的埃博拉病毒样颗粒(VLP)的进入抑制剂,并将该检测方法应用于对美国食品药品监督管理局(FDA)批准药物的快速药物重新利用筛选。我们在此报告鉴定出53种具有阻断埃博拉VLP进入细胞活性的药物。这53种活性化合物可分为微管抑制剂、雌激素受体调节剂、抗组胺药、抗精神病药、泵/通道拮抗剂以及抗癌/抗生素等类别。其中几种化合物,包括微管抑制剂和雌激素受体调节剂,此前已报道在BSL-4感染性埃博拉病毒复制检测和动物模型研究中具有活性。我们的检测方法是一种强大、有效且快速的高通量筛选方法,用于在治疗埃博拉病毒感染的药物开发中识别先导化合物。
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