Cited by 48Liver physiology and pathologyLiver Diseases and ImmunityLiver Disease Diagnosis and Treatment

Antagonism of Interleukin-17A ameliorates experimental hepatic fibrosis by restoring the IL-10/STAT3-suppressed autophagy in hepatocytes

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Zhang, Xiao-Wei, Mi, Su, Li, Zhe, Zhou, Ji-Chao, Xie, Jing, Hua, Fang, Li, Ke, Cui, Bing +3 more·2017·Oncotarget

Abstract

// Xiao-Wei Zhang 1 , Su Mi 1 , Zhe Li 1 , Ji-Chao Zhou 1 , Jing Xie 1 , Fang Hua 1 , Ke Li 2 , Bing Cui 1 , Xiao-Xi Lv 1 , Jiao-Jiao Yu 1 , Zhuo-Wei Hu 1 1 Molecular Immunology and Pharmacology Group, State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China 2 Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China Correspondence to: Zhuo-Wei Hu, email: huzhuowei@imm.ac.cn Keywords: cirrhosis, inflammation, liver injury, neutralizing antibody, p62 Received: August 23, 2016 Accepted: December 01, 2016 Published: December 27, 2016 ABSTRACT Interleukin-17A has been identified as a driver of hepatic stellate cell activation and plays a critical role in the pathogenesis of hepatic fibrosis. However, the underlining fibrosis-promoting mechanism of IL-17A is far from understood. Here we aimed to define whether hepatocytes directly respond to IL-17A stimulation and are associated with the development of hepatic fibrosis. The functional significance of IL-17A was evaluated in bile duct ligation (BDL) or thioacetamide (TAA) injection-induced mouse models of hepatic fibrosis. Human cirrhosis and control tissues were obtained from the patients with cirrhosis who received an open surgical repair process. Neutralizing IL-17A promoted the resolution of BDL or TAA-induced acute or chronic inflammation and fibrosis, resulted in a shift of the suppressive immune response in fibrotic liver toward a Th1-type immune response, and restored autophagy activity in both cholestatic and hepatotoxic liver injury induced fibrotic liver tissues, which was accompanied by a significant inhibition of STAT3 phosphorylation. Moreover, we found that IL-17A stimulated the concentration-and time-dependent phosphorylation of STAT3 in AML-12 liver cells. Blocking STAT3 with a specific inhibitor STATTIC or STAT3 siRNA protected from the IL-17A-induced autophagy suppression in AML-12 cells, indicating that STAT3 mediates IL-17A-suppressed autophagy. Administration of IL-10, which activated STAT3 and inhibited autophagy, reversed the therapeutic effect of IL-17A antagonism in vivo . Our study suggests that the IL-17A/STAT3 signaling pathway plays a crucial role in the pathogenesis of hepatic fibrosis through suppressing hepatocellular autophagy and that blocking this pathway may provide therapeutic benefits for the treatment of hepatic fibrosis.

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  • IL-4 and IL-13 are distinct but important inducers of fibrosis.

    “the type 2-associated cytokines IL-4 and IL-13 have also emerged as distinct but important inducers of fibrosis”

    From Fibrosis: from mechanisms to medicines (2020) · cites this paper as [128]

  • The type 2 cytokine fibrotic response is associated with a predominant eosinophil and M2-like macrophage infiltrate, rather than the neutrophil and M1-like monocyte/macrophage phenotype that characterizes the IL-1-IL-17A-TGF-β axis.

    “Here, the fibrotic response is associated with a predominant eosinophil and M2-like macrophage infiltrate, rather than the neutrophil and M1-like monocyte/macrophage phenotype that characterizes the IL-1-IL-17A-TGF-β axis128”

    From Fibrosis: from mechanisms to medicines (2020) · cites this paper as [128]

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Authors
Zhang, X.-W., Mi, S., Li, Z., Zhou, J.-C., Xie, J., Hua, F., Li, K., Cui, B., Lv, X.-X., Yu, J.-J., & Hu, Z.-W.
Affiliations
  • Molecular Immunology and Pharmacology Group, State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
Venue
Oncotarget
Published
2016-12-27
Volume
8
Issue
6
Pages
9922-9934
ISSN
1949-2553 (ISSN-L)
OpenAlex
W2567358604
Cited by
48
References
38
Citations by year
2026: 2 · 2025: 6 · 2024: 3 · 2023: 2 · 2022: 7 · 2021: 7 · 2020: 4 · 2019: 6 · 2018: 7 · 2017: 4
FWCI
4.09
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Oncotarget (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81400286, 81273529, 81530093)
  • Peking Union Medical College
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Hepatology › Liver Diseases and Immunity
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
Keywords
liver fibrosis, autophagy, STAT3 phosphorylation, IL-10, hepatocytes, bile duct ligation, thioacetamide, liver cirrhosis, hepatic stellate cells, Th1 response, Stattic, p62, cholestatic liver injury, liver regeneration
MeSH terms
Animals, Autophagy, Cell Line, Cholestasis, Cyclic S-Oxides, Humans, Liver, Liver Cirrhosis, Experimental, Male, Mice, Inbred BALB C, Phosphorylation, Thioacetamide, Transfection, Signal Transduction, Interleukin-10, Th1 Cells, Interleukin-17, Hepatocytes, RNA Interference, STAT3 Transcription Factor, Chemical and Drug Induced Liver Injury, Antibodies, Neutralizing

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