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Elevated Plasma Il-6 Associates With Increased Risk Of Advanced Fibrosis And Cholangiocarcinoma In Individuals Infected By Opisthorchis Viverrini, Banchob Sripa, Bandit Thinkhamrop, Eimorn Mairiang, Thewarach Laha, Sasithorn Kaewkes, Paiboon Sithithaworn, Maria V. Periago, Vajarabhongsa Bhudhisawasdi, Ponlapat Yonglitthipagon, Jason Mulvenna, Paul J. Brindley, Alex Loukas, Jeffrey M. Bethony

Microbiology, Immunology, and Tropical Medicine Faculty Publications

Opisthorchis viverrini is considered among the most important of the food-borne trematodes due to its strong association with advanced periductal fibrosis and bile duct cancer (cholangiocarcinoma). We investigated the relationship between plasma levels of Interleukin (IL)-6 and the risk of developing advanced fibrosis and bile duct cancer from chronic Opisthorchis infection. We show that IL-6 circulates in plasma at concentrations 58 times higher in individuals with advanced fibrosis than age, sex, and nearest-neighbor matched controls and 221 times higher in individuals with bile duct cancer than controls. We also observed a dose-response relationship between increasing levels of plasma IL-6 and …