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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Turnover of biliary epithelial cells in Clonorchis sinensis infected rats.

We performed bromodeoxyuridine (BrdU) staining to observe the proliferation pattern of epithelial cells on the biliary mucosa in Clonorchis sinensis infection. Albino rats were infected with 100 metacercariae each and their livers were processed for histopathological observation after BrdU injection. Five to six sites in the liver of a rat were selected for paraffin section, and stained immunohistochemically to visualize BrdU incorporating cells. The flukes were mainly in the common bile duct and right or left hepatic bile ducts. The proportion of stained epithelial cells in the infected bile ducts where the worms were found on the section was 2.9-10.2% at 1 week after infection, 7.3-12.8% at 2 weeks, 7.3-13.4% at 5 weeks, and 8.4-14.8% at 15 weeks while in the non-infected ducts 0 to 2.7% cells were stained. The stained cells were mainly at the base of the mucosal layer. It is suggested that mucosal epithelial cells of the bile ducts infected with C. sinensis become hyperplastic mainly by direct and local stimulation of the worms.[1]


  1. Turnover of biliary epithelial cells in Clonorchis sinensis infected rats. Hong, S.T., Kho, W.G., Kim, W.H., Chai, J.Y., Lee, S.H. Korean J. Parasitol. (1993) [Pubmed]
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