A hexaplex PCR detection system for the identification of five human Plasmodium species with internal control

Chew, C.H. and Lim, Y.A.L. and Lee, P.C. and Mahmud, R. and Chua, K.H. (2012) A hexaplex PCR detection system for the identification of five human Plasmodium species with internal control. Journal of Clinical Microbiology. ISSN 0095-1137, DOI 23035191.

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Official URL: http://www.ncbi.nlm.nih.gov/pubmed/23035191


Malaria remains as one of the major killers of humankind and persists to threaten the lives of more than one-third of the world's population. Given that human malaria can now be caused by five species of Plasmodium, i.e., Plasmodium falciparum, Plasmodium vivax, Plasmodium malariae, Plasmodium ovale, and the recent inclusion of Plasmodium knowlesi, there is a critical need not only to augment global health efforts in malaria control but more importantly to develop a rapid, accurate, species-sensitive/-specific and economically-effective diagnosis for malaria caused by these five species. Therefore, in the present study, a straightforward single step hexaplex PCR system targeting five human Plasmodium 18S small subunit ribosomal RNA (ssu rRNA) were designed and the system has successfully detected all five human malaria parasites. In addition, this system enables the differentiation of single infection as well as mixed infections up to two species level. This assay was validated with 50 randomly blind test and 184 clinical samples suspected with malaria. This hexaplex PCR system is not only an ideal alternative for routine malaria diagnosis in laboratories with conventional PCR machines but also adds value to diagnosis when there is a lack of experienced microscopist or/and when the parasite morphology is confusing. Indeed, this system will definitely enhance the accuracy and accelerate the speed in the diagnosis of malaria as well as improve the efficacy in malaria treatment and control, in addition to providing reliable data in epidemiological surveillance studies.

Item Type: Article
Additional Information: Chew, Ching Hoong Lim, Yvonne Ai Lian Lee, Ping Chin Mahmud, Rohela Chua, Kek Heng ENG 2012/10/05 06:00 J Clin Microbiol. 2012 Oct 3.
Uncontrolled Keywords: Hexaplex PCR detection system
Subjects: R Medicine
Divisions: Faculty of Medicine > School of Medicine
Depositing User: Ms Johana Johari
Date Deposited: 06 Dec 2012 06:50
Last Modified: 06 Dec 2012 06:50
URI: http://eprints.um.edu.my/id/eprint/4058

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