扩展疟疾分子诊断选择:环介导等温扩增检测在疟疾控制和消除方面的机遇和挑战。

Expanding the malaria molecular diagnostic options: opportunities and challenges for loop-mediated isothermal amplification tests for malaria control and elimination.

机构信息

a Malaria Branch, Division of Parasitic Diseases and Malaria , Center for Global Health, Centers for Disease Control and Prevention , Atlanta , GA , USA.

b Laboratory of Parasitology and Mycology , Université Cheikh Anta Diop (UCAD) , Dakar , Senegal.

出版信息

Expert Rev Mol Diagn. 2018 Feb;18(2):195-203. doi: 10.1080/14737159.2018.1431529. Epub 2018 Jan 28.

Abstract

The loop-mediated isothermal amplification (LAMP) technique holds substantial promise as an alternative easy-to-use molecular test for malaria parasite detection. Several modifications to the initial malaria LAMP assay have been made in an effort to make the LAMP platform more field-friendly. Areas covered: A PubMed literature search was performed using the following search terms: 'malaria,' 'loop mediated isothermal amplification', 'LAMP', 'molecular tests' and 'diagnostics'. The authors review the currently reported malaria LAMP assays and discuss what requirements would be needed to make malaria LAMP assays field-usable, especially in the context of malaria elimination. Expert commentary: Expanding the malaria LAMP tests as options for use in malaria control programs will require addressing some important challenges such as the need for simplified sample preparation steps; ready to use kits that require no cold chain; the use of a non-subjective results readout and preferably cost-effectiveness. Two malaria LAMP kits are now CE-marked and commercially available: the Loopamp MALARIA kit and the Illumigene malaria LAMP. Malaria LAMP tests, like other molecular tests, will likely be utilized in very specific studies such as: to evaluate 'detect and treat' strategies; in controlled malaria infection trials or drug efficacy trials and as confirmatory test in reference laboratories.

摘要

环介导等温扩增 (LAMP) 技术作为一种替代的易于使用的疟疾寄生虫检测分子检测方法具有很大的潜力。为了使 LAMP 平台更适合现场使用,已经对初始的疟疾 LAMP 检测进行了一些修改。

涵盖领域

使用以下搜索词在 PubMed 文献搜索中进行了搜索:“疟疾”、“环介导等温扩增”、“LAMP”、“分子检测”和“诊断”。作者回顾了目前报道的疟疾 LAMP 检测,并讨论了使疟疾 LAMP 检测适用于现场使用所需的要求,特别是在消除疟疾的背景下。

专家评论

将疟疾 LAMP 检测扩展为疟疾控制计划中使用的选项,将需要解决一些重要的挑战,例如需要简化样本制备步骤;无需冷链的即用型试剂盒;使用非主观的结果读出,最好是具有成本效益。现在有两种疟疾 LAMP 试剂盒获得 CE 标志并可商业化:Loopamp MALARIA 试剂盒和 Illumigene 疟疾 LAMP。与其他分子检测一样,疟疾 LAMP 检测可能会在特定的研究中使用,例如:评估“检测和治疗”策略;在受控的疟疾感染试验或药物疗效试验中,以及作为参考实验室的确认试验。

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