Clonorchis sinensis excretory-secretory products increase malignant characteristics of cholangiocarcinoma cells in three-dimensional co-culture with biliary ductal plates

Jihee Wonid, Youngkyu Cho, Dahyun Lee, Bo Young Jeon, Jung Won Ju, Seok Chung, Jhang Ho Pak

Research output: Contribution to journalArticle

Abstract

Clonorchis sinensis is a carcinogenic human liver fluke, prolonged infection which provokes chronic inflammation, epithelial hyperplasia, periductal fibrosis, and even cholangiocarcinoma (CCA). These effects are driven by direct physical damage caused by the worms, as well as chemical irritation from their excretory-secretory products (ESPs) in the bile duct and surrounding liver tissues. We investigated the C. sinensis ESP-mediated malignant features of CCA cells (HuCCT1) in a three-dimensional microfluidic culture model that mimics an in vitro tumor microenvironment. This system consisted of a type I collagen extracellular matrix, applied ESPs, GFP-labeled HuCCT1 cells and quiescent biliary ductal plates formed by normal cholangiocytes (H69 cells). HuCCT1 cells were attracted by a gradient of ESPs in a concentration-dependent manner and migrated in the direction of the ESPs. Meanwhile, single cell invasion by HuCCT1 cells increased independently of the direction of the ESP gradient. ESP treatment resulted in elevated secretion of interleukin-6 (IL-6) and transforming growth factor-beta1 (TGF-β1) by H69 cells and a cadherin switch (decrease in E-cadherin/increase in N-cadherin expression) in HuCCT1 cells, indicating an increase in epithelial-mesenchymal transition-like changes by HuCCT1 cells. Our findings suggest that C. sinensis ESPs promote the progression of CCA in a tumor microenvironment via the interaction between normal cholangiocytes and CCA cells. These observations broaden our understanding of the progression of CCA caused by liver fluke infection and suggest a new approach for the development of chemotherapeutic for this infectious cancer.

Original languageEnglish
Article numbere1007818
JournalPLoS Pathogens
Volume15
Issue number5
DOIs
Publication statusPublished - 2019 May 1

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Clonorchis sinensis
Cholangiocarcinoma
Coculture Techniques
Cadherins
Fasciola hepatica
Tumor Microenvironment
Transforming Growth Factor beta1
Epithelial-Mesenchymal Transition
Microfluidics
Collagen Type I
Infection
Bile Ducts
Hyperplasia
Extracellular Matrix
Interleukin-6
Fibrosis

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Molecular Biology
  • Genetics
  • Virology

Cite this

Clonorchis sinensis excretory-secretory products increase malignant characteristics of cholangiocarcinoma cells in three-dimensional co-culture with biliary ductal plates. / Wonid, Jihee; Cho, Youngkyu; Lee, Dahyun; Jeon, Bo Young; Ju, Jung Won; Chung, Seok; Pak, Jhang Ho.

In: PLoS Pathogens, Vol. 15, No. 5, e1007818, 01.05.2019.

Research output: Contribution to journalArticle

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