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Cytokine production in cholangiocarcinoma cells in response to Clonorchis sinensis excretory-secretory products and their putative protein components
Cited 18 time in
Web of Science
Cited 18 time in Scopus
- Authors
- Issue Date
- 2019-08
- Publisher
- 대한기생충학ㆍ열대의학회
- Citation
- The Korean Journal of Parasitology, Vol.57 No.4, pp.379-387
- Abstract
- Clonorchis sinensis is a carcinogenic human liver fluke that promotes hepatic inflammatory environments via direct contact or through their excretory-secretory products (ESPs), subsequently leading to cholangitis, periductal fibrosis, liver cirrhosis, and even cholangiocarcinoma (CCA). This study was conducted to examine the host inflammatory responses to C. sinensis ESPs and their putative protein components selected from C. sinensis expressed sequenced tag (EST) pool databases, including TGF-beta receptor interacting protein 1(CsTRIP1), legumain (CsLeg), and growth factor binding protein 2 (CsGrb2). Treatment of CCA cells (HuCCT1) with the ESPs or bacterial recombinant C. sinensis proteins differentially promoted the secretion of proinflammatory cytokines (IL-1 beta, IL-6, and TNF-alpha) as well as anti-inflammatory cytokines (IL-10, TGF-beta 1, and TGF-beta 2) in a time-dependent manner. In particular, recombinant C. sinensis protein treatment resulted in increase (at maximum) of similar to 7-fold in TGF-beta 1, similar to 30-fold in TGF-beta 2, and similar to 3-fold in TNF-alpha compared with the increase produced by ESPs, indicating that CsTrip1, CsLeg, and CsGrb2 function as strong inducers for secretion of these cytokines in host cells. These results suggest that C. sinensis ESPs contribute to the immunopathological response in host cells, leading to clonorchiasis-associated hepatobiliary abnormalities of greater severity.
- ISSN
- 0023-4001
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