Advanced Periductal Fibrosis from Infection with the Carcinogenic Human Liver Fluke Opisthorchis viverrini Correlates with Elevated Levels of Interleukin-6† ‡

作者：Banchob Sripa, Eimorn Mairiang, Bandit Thinkhamrop, Thewarach Laha, Sasithorn Kaewkes, Paiboon Sithithaworn, Smarn Tessana, Alex C. Loukas, Paul J. Brindley, Jeffrey Michael Bethony · 发表于：Hepatology · 年份：2009 · DOI：10.1002/hep.23134 · 被引用次数：165 · 研究领域：Parasites and Host Interactions、Gallbladder and Bile Duct Disorders、Cystic Fibrosis Research Advances

UNLABELLED: More than 750 million people are at risk of infection with foodborne liver flukes. Opisthorchis viverrini is considered among the most important of these parasites, due to its strong association with cholangiocarcinoma (CCA). O. viverrini infection results in a chronic inflammatory challenge to the host, which can lead to advanced, pathogen-specific disease sequelae including obstructive jaundice, hepatomegaly, cholecystitis, as well as CCA. However, before disease sequelae are apparent, important inflammatory changes to the liver can be detected early during O. viverrini infection. In a case-control study involving 328 men and women with O. viverrini infection, we determined the presence of advanced periductal fibrosis in asymptomatic, O. viverrini-infected individuals and then measured cytokine responses to O. viverrini excretory/secretory products (ES). In the 200 participants with advanced periductal fibrosis (cases), levels of interleukin-6 (IL-6) to O. viverrini ES were 8 times higher than levels of the 128 O. viverrini-infected individuals without advanced periductal fibrosis (controls). Moreover, elevated IL-6 to parasite ES was associated with increased risk of advanced periductal fibrosis by 63% in a model adjusted for sex and age. The risk of advanced periductal fibrosis was also found to increase with higher levels of IL-6: individuals in the third quartile of IL-6-ES production had a 127% higher risk of developing advanced periductal fibrosis than ind...