Cited by 29Liver Diseases and ImmunityPediatric Hepatobiliary Diseases and TreatmentsLiver physiology and pathology

Interleukin-17A-Induced Epithelial-Mesenchymal Transition of Human Intrahepatic Biliary Epithelial Cells: Implications for Primary Biliary Cirrhosis

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Huang, Qingshui, Chu, Shuai, Yin, Xiaofeng, Yu, Xiaobin, Kang, Chunmin, Li, Xin, Qiu, Yurong·2016·The Tohoku Journal of Experimental Medicine

Abstract

Primary biliary cirrhosis (PBC) is an autoimmune chronic liver disease with worldwide increasing morbidity. However, the etiology of PBC is still unclear. Recently, the epithelial-mesenchymal transition (EMT) and interleukin-17A (IL-17A), a pro-inflammatory cytokine, were proposed to be involved in the pathogenesis of PBC. Therefore, in this study, we aimed to clarify the roles of IL-17A and/or EMT in the onset of PBC. The results showed that the median serum IL-17A level was significantly higher in 29 PBC patients (average course of 40.69 months) than that of 11 healthy controls. The intrahepatic biliary epithelial cells (IBECs), the major target of destruction in PBC, underwent EMT in PBC patients. The immunohistochemical analysis revealed that the protein levels of IL-17A receptor were increased in IBECs and the IL-17A protein was accumulated around the IBECs in the PBC patients. These results imply that the IL-17A-mediated signaling and EMT of intrahepatic biliary epithelial cells (IBEC-EMT) are key pathogenic processes of PBC. To study the association between IL-17A and IBECs-EMT, we then examined if IL-17A induced EMT using a human cell line of IBECs (HIBECs). After the treatment with IL-17A for 48 h, HIBECs changed into bipolar cells with a fibroblastic morphology. Additionally, the results of real-time PCR and Western blot analyses demonstrated that IL-17A up-regulated the expression of a mesenchymal marker vimentin and down-regulated the expression of an epithelial marker E-cadherin in HIBECs in the dose- and time-dependent manners. These results suggest that IL-17A may play an important role in the IBECs-EMT.

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  • BECs in PBC have a proinflammatory and profibrotic phenotype.

    “and have also a proinflammatory and profibrotic phenotype(256).”

    From The liver as a central "hub" of the immune system: pathophysiological implications (2025) · cites this paper as [256]

    The Discussion reports that biliary epithelial cells in early-stage PBC undergo epithelial–mesenchymal transition, and the Introduction links that transition to fibrosis. But the paper attributes pro-inflammatory effects to IL-17A around the cells; it does not establish that the cells themselves have a proinflammatory and profibrotic phenotype. Page numbers are unavailable in our copy. (LLM, conf=0.85)

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Authors
Huang, Q., Chu, S., Yin, X., Yu, X., Kang, C., Li, X., & Qiu, Y.
Affiliations
  • Nanfang Hospital (CN)
  • Laboratory Medicine Center, Nanfang Hospital, Southern Medical University
Venue
The Tohoku Journal of Experimental Medicine
Published
2016
Volume
240
Issue
4
Pages
269-275
ISSN
  • 0040-8727 (ISSN-L)
  • 1349-3329
OpenAlex
W2559513130
Cited by
29
References
34
Citations by year
2025: 1 · 2024: 3 · 2023: 4 · 2022: 6 · 2021: 3 · 2020: 1 · 2019: 2 · 2018: 5 · 2017: 4
FWCI
2.65
Type
journal article
Language
en
Open access
Locations
  • The Tohoku Journal of Experimental Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Hepatology › Liver Diseases and Immunity
  • Health Sciences › Medicine › Surgery › Pediatric Hepatobiliary Diseases and Treatments
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
primary biliary cirrhosis, IL-17A, epithelial-mesenchymal transition, vimentin, E-cadherin, inflammatory cytokines, liver fibrosis
MeSH terms
Adult, Aged, Aged, 80 and over, Biliary Tract, Cells, Cultured, Epithelial Cells, Female, Humans, Liver, Liver Cirrhosis, Biliary, Male, Middle Aged, Antigens, CD, Cadherins, Interleukin-17, Cell Shape, Receptors, Interleukin-17, Young Adult, Epithelial-Mesenchymal Transition

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