Short Communication

Parasitology Research

, 100:905

First online:

PCR diagnosis of infections with different species of Opisthorchiidae using a rapid clean-up procedure for stool samples and specific primers

  • Boris MüllerAffiliated withDepartment of Zoomorphology, Cell Biology and Parasitology, Heinrich-Heine University Duesseldorf
  • , Jürgen SchmidtAffiliated withDepartment of Zoomorphology, Cell Biology and Parasitology, Heinrich-Heine University Duesseldorf
  • , Heinz MehlhornAffiliated withDepartment of Zoomorphology, Cell Biology and Parasitology, Heinrich-Heine University Duesseldorf Email author 

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Abstract

Infections with the opisthorchiid liver flukes Clonorchis sinensis, Opisthorchis viverrini, and Opisthorchis felineus cause serious health problems in endemic areas of Southeast Asia and countries of the former Soviet Union. Chronic infections—even with low worm burdens—may lead to the development of fatal cholangiocarcinoma and related symptoms. A more sensitive diagnosis is needed since the tiny eggs of the worms are often not seen in microscopic examinations of stool samples, especially in patients with low infections. This communication reports a rapid cleanup procedure for human stool samples, which enables reliable identification of DNA by polymerase chain reaction from few eggs of opisthorchiid flukes in fecal samples.