Detection of Plasmodium vivax infection in the Republic of Korea by loop-mediated isothermal amplification (LAMP)
- Authors
- Chen, Jun-Hu; Lu, Feng; Lim, Chae Seung; Kim, Jung-Yeon; Ahn, Heui-June; Suh, In-Bum; Takeo, Satoru; Tsuboi, Takafumi; Sattabongkot, Jetsumon; Han, Eun-Taek
- Issue Date
- 1월-2010
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Malaria; Plasmodium vivax; LAMP; Diagnosis; Republic of Korea
- Citation
- ACTA TROPICA, v.113, no.1, pp.61 - 65
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACTA TROPICA
- Volume
- 113
- Number
- 1
- Start Page
- 61
- End Page
- 65
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/117274
- DOI
- 10.1016/j.actatropica.2009.09.007
- ISSN
- 0001-706X
- Abstract
- Loop-mediated isothermal amplification (LAMP) is a novel technique that rapidly amplifies target DNA in isothermal conditions. In a previous study, the sensitivities and specificities of LAMP microscopy, and nested PCR were compared in the context of rapid malaria detection. In the present study, LAMP detected vivax malaria parasites in 115 of 117 microscopically positive samples (sensitivity, 98.3%; 95% CI, 97.4-100%), which agreed well with the nested PCR results (sensitivity, 99.1%; 95% CI: 96.0-100%). No positive cases of malaria were detected by LAMP or nested PCR in 50 consecutive feverish patients other than malaria from malaria endemic areas. LAMP performed on DNA extracted from heat-treated blood had a sensitivity of 93.3% (28/30, 95% CI: 84.4-100%) and specificity of 100% (30/30, 95% CI: 100%). The present study shows that LAMP based assays have high sensitivity specificity and amplification efficiencies for Plasmodium vivax detection. The authors recommend that LAMP can be considered as a rapid nucleic acid amplification assay for the molecular diagnosis of P. vivax in both clinical laboratories and malaria clinics in areas where vivax malaria is endemic. (C) 2009 Elsevier B.V. All rights reserved.
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