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Effective High-Throughput Blood Pooling Strategy before DNA Extraction for Detection of Malaria in Low-Transmission Settings.


ABSTRACT: In the era of (pre) elimination setting, the prevalence of malaria has been decreasing in most of the previously endemic areas. Therefore, effective cost- and time-saving validated pooling strategy is needed for detection of malaria in low transmission settings. In this study, optimal pooling numbers and lowest detection limit were assessed using known density samples prepared systematically, followed by genomic DNA extraction and nested PCR. Pooling strategy that composed of 10 samples in 1 pool, 20 µl in 1 sample, was optimal, and the parasite density as low as 2 p/µl for both falciparum and vivax infection was enough for detection of malaria. This pooling method showed effectiveness for handling of a huge number of samples in low transmission settings (<9% positive rate). The results indicated that pooling of the blood samples before DNA extraction followed by usual nested PCR is useful and effective for detection of malaria in screening of hidden cases in low-transmission settings.

SUBMITTER: Nyunt MH 

PROVIDER: S-EPMC4977795 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Effective High-Throughput Blood Pooling Strategy before DNA Extraction for Detection of Malaria in Low-Transmission Settings.

Nyunt Myat Htut MH   Kyaw Myat Phone MP   Thant Kyaw Zin KZ   Shein Thinzer T   Han Soe Soe SS   Zaw Ni Ni NN   Han Jin-Hee JH   Lee Seong-Kyun SK   Muh Fauzi F   Kim Jung-Yeon JY   Cho Shin-Hyeong SH   Lee Sang-Eun SE   Yang Eun-Jeong EJ   Chang Chulhun L CL   Han Eun-Taek ET  

The Korean journal of parasitology 20160630 3


In the era of (pre) elimination setting, the prevalence of malaria has been decreasing in most of the previously endemic areas. Therefore, effective cost- and time-saving validated pooling strategy is needed for detection of malaria in low transmission settings. In this study, optimal pooling numbers and lowest detection limit were assessed using known density samples prepared systematically, followed by genomic DNA extraction and nested PCR. Pooling strategy that composed of 10 samples in 1 poo  ...[more]

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