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  • Title: Cytokine profiles in Opisthorchis viverrini stimulated peripheral blood mononuclear cells from cholangiocarcinoma patients.
    Author: Surapaitoon A, Suttiprapa S, Khuntikeo N, Pairojkul C, Sripa B.
    Journal: Parasitol Int; 2017 Feb; 66(1):889-892. PubMed ID: 27769807.
    Abstract:
    The carcinogenic liver fluke Opisthorchis viverrini causes chronic inflammation in the bile duct and resulting in unremitting tissue damage that lead to hepatobiliary diseases, including cholangiocarcinoma (CCA). Despite inflammatory cytokine expression having been studied in the animal model, so far no studies have been carried out on cytokines in human CCA cases. Here we report the profile of cytokine production in peripheral blood mononuclear cells (PBMCs) collected from O. viverrini-associated human CCA and uninfected normal controls after stimulation with O. viverrini-excretory secretory (ES) product. Eleven cytokine profiles including IFN-γ, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12p70, TNF-α and LT-α measured by flow cytometry revealed both pro-inflammatory and anti-inflammatory cytokines were increased in the O. viverrini-associated CCA compared to uninfected normal controls. Specifically, net production levels of IFN-γ, IL-10, and LT-α were 40 to >320 times higher in CCA than those of controls. These results suggest dysregulation of the immune response in the liver fluke associated CCA.
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