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Resistance of cholangiocarcinoma cells to parthenolide-induced apoptosis by the excretory-secretory products of Clonorchis sinensis

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Authors
Kim, Young Ju; Choi, Min-Ho; Bae, Young Mee; Hong, Sung-Tae
Issue Date
2009-04
Publisher
SPRINGER
Citation
PARASITOLOGY RESEARCH; Vol.104 5; 1011-1016
Abstract
Infection by Clonorchis sinensis, the Chinese or oriental liver fluke, is a significant risk factor for the development of cholangiocarcinoma, a human epithelial carcinoma of the intrahepatic bile duct. Parthenolide is a sesquiterpene lactone that has strong anticancer properties and is also known to induce apoptosis in cholangiocarcinoma cells. Many investigators have reported that excretory-secretory (ES) products of C. sinensis as well as Opisthorchis viverrini promote the development of cholangiocarcinomas. However, the intrinsic mechanism is not clearly understood. Therefore, we investigated the biological roles of the ES products in a cholangiocarcinoma cell line, HuCCT1. The ES products of C. sinensis increased proliferation of HuCCT1 cells and augmented the expression of cyclooxygenase (COX)-2. To determine whether cells treated with ES products would respond differently to parthenolide, HuCCT1 cells were treated with parthenolide alone or parthenolide after pretreatment with ES products. Cells pretreated with ES products were resistant to parthenolide-induced apoptosis. Because parthenolide has been reported to be a COX-2 inhibitor, we hypothesize that COX-2 might be a key factor that promotes resistance of cholangiocarcinoma cancer cells to parthenolide-induced apoptosis. These results suggest that chemotherapy treatment regimens in cholangiocarcinoma patients with C. sinensis infection should be modulated to account for ES products excreted by the liver fluke.
ISSN
0932-0113
Language
English
URI
http://hdl.handle.net/10371/77575
DOI
https://doi.org/10.1007/s00436-008-1283-y
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College of Medicine/School of Medicine (의과대학/대학원)Parasitology and Tropical Medicine (기생충학전공)Journal Papers (저널논문_기생충학전공)
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