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Parasitol Res. 2015 Sep;114(9):3547-9. doi: 10.1007/s00436-015-4640-7. Epub 2015 Aug 5.

Development and evaluation of PCR methods based on cytochrome c oxidase subunit one (cox1) and NADH dehydrogenase subunit one gene (nad1) to detect Opisthorchis viverrini in human fecal samples.

Author information

1
Department of Microbiology, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand.

Abstract

Opisthorchis viverrini is highly prevalent throughout Southeast Asia. Chronic infection of this parasite leads to cholangiocarcinoma (CCA), a fatal bile duct cancer. The early and accurate detection of this parasite is very important; therefore, new PCR methods targeting cytochrome c oxidase subunit one and NADH dehydrogenase subunit one gene to detect O. viverrini in fecal specimens have been developed. Ninety O. viverrini-positive human fecal samples were used in this study. The PCR sensitivity of both genes was compared with internal transcribe spacer 2 (ITS2)-PCR. The sensitivity of cox1-PCR and nad1-PCR was 66.7 and 50 %, respectively. The sensitivity of cox1-PCR and nad1-PCR achieved 89.1 and 71.7 % in specimens containing O. viverrini eggs of >100 eggs per gram (EPG). Additionally, these primers can be used to provide the information on genetic diversity from mitochondrial genes of O. viverrini.

PMID:
26239798
DOI:
10.1007/s00436-015-4640-7
[Indexed for MEDLINE]

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