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Peptide-Based Antibody Detection for Tuberculosis Diagnosis

机译:基于肽的抗体检测在结核病诊断中的作用

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摘要

Tuberculosis (TB) is a major cause of morbidity and mortality, especially in developing countries. Despite significant limitations, microscopy remains the cornerstone of the global TB control strategy. As the TB epidemic escalates, new diagnostic methods that are accurate and also economical and simple to manufacture and deploy are urgently needed. Although several promising antigens have been identified and evaluated in recent years, the reproducible production of high-quality recombinant mycobacterial proteins with minimal batch-to-batch variation is difficult, laborious, and expensive. To determine the feasibility of devising a synthetic peptide-based diagnostic test for TB, we have delineated the immunodominant epitopes of three candidate antigens, Ag85B, BfrB, and TrxC, that were previously identified to be immunogenic in TB patients. The results demonstrate that combinations of carefully selected synthetic peptides derived from highly immunogenic proteins can be the basis for devising an immunodiagnostic test for TB.
机译:结核病(TB)是发病率和死亡率的主要原因,尤其是在发展中国家。尽管存在重大局限性,但显微镜检查仍是全球结核病控制策略的基石。随着结核病流行的加剧,迫切需要准确,经济且易于制造和部署的新诊断方法。尽管近年来已经鉴定和评估了几种有希望的抗原,但是具有最小的批次间差异的可重复生产高质量的重组分枝杆菌蛋白是困难,费力和昂贵的。为了确定针对结核病开发基于合成肽的诊断测试的可行性,我们描述了三种候选抗原的免疫显性抗原决定簇,Ag85B,BfrB和TrxC先前被确定为在TB患者中具有免疫原性。结果表明,精心挑选的来源于高度免疫原性蛋白的合成肽的组合可以作为针对结核病进行免疫诊断测试的基础。

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