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- Title
Detection and quantification of Wuchereria bancrofti and Brugia malayi DNA in blood samples and mosquitoes using duplex droplet digital polymerase chain reaction.
- Authors
Jongthawin, Jurairat; Intapan, Pewpan; Lulitanond, Viraphong; Sanpool, Oranuch; Thanchomnang, Tongjit; Sadaow, Lakkhana; Maleewong, Wanchai
- Abstract
Lymphatic filariasis, a mosquito-borne disease, is still a major public health problem in tropical and sub-tropical countries. Effective diagnostic tools are required for identification of infected individuals, for epidemiological assessment, and for monitoring of control programs. A duplex droplet digital polymerase chain reaction (ddPCR) was conducted to differentiate and quantify Wuchereria bancrofti DNA by targeting the long DNA repeat (LDR) element and Brugia malayi DNA by targeting the HhaI element in blood samples and mosquito vectors. The analytical sensitivity and specificity were evaluated. Our results indicated that the duplex ddPCR assay could differentiate and quantify W. bancrofti and B. malayi DNA from blood samples and mosquitoes. DNA from a single larva in 50 μl of a blood sample, or in one mosquito vector, could be detected. The analytical sensitivity and specificity for W. bancrofti are both 100 %. Corresponding values for B. malayi are 100 and 98.3 %, respectively. Therefore, duplex ddPCR is a potential tool for simultaneous diagnosis and monitoring of bancroftian and brugian filariasis in endemic areas.
- Subjects
BRUGIA malayi; POLYMERASE chain reaction; LYMPHATIC diseases; FILARIASIS; MOSQUITO vectors
- Publication
Parasitology Research, 2016, Vol 115, Issue 8, p2967
- ISSN
0932-0113
- Publication type
Article
- DOI
10.1007/s00436-016-5051-0