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Screening and application of aptamers to Staphylococcus aureus Toxic Shock Syndrome Toxin-1

Abstract

摘要 目的:金黄色葡萄球菌(Staphylococcusaureus)分泌的毒性休克综合征毒素-1(ToxicShockSyndromeToxin-1,TSST-1)引发中毒性休克综合征(ToxicShockSyndrome,TSS),通过激活T淋巴细胞使其活化、增殖,引起强烈的免疫应答。目前针对TSST-1本身的治疗手段不多,合成寡核苷酸文库和亲和力筛选作为获得高亲和力、高特异性适配体(Aptamer)的一种方便、快捷、有效的方法。本研究利用指数富集的配体系统进化技术(SystematicEvolutionofLigandsbyExponentialEnrichment,SELEX)筛选具...Abstract Objective: Toxic Shock Syndrome Toxin-1(TSST-1) that can lead to toxic shock syndrome(TSS) is a toxin secreted by Staphylococcus aureus(S.aureus).TSST-1 is a superantigen for T-lymphocytes and activates production of immune signaling molecules. Explorations for new drugs, methods and regimens against TSST-1 have not stop yet and will continue. The synthesis of oligonucleotide library...学位:医学硕士院系专业:医学院_临床检验诊断学学号:2452013115349

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