Cited by 132Liver physiology and pathologyLiver Disease Diagnosis and TreatmentDrug-Induced Hepatotoxicity and Protection

Hepatocyte TLR4 triggers inter-hepatocyte Jagged1/Notch signaling to determine NASH-induced fibrosis

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Yu, Junjie, Zhu, Changyu, Wang, Xiaobo, Kim, KyeongJin, Bartolome, Alberto, Dongiovanni, Paola, Yates, Katherine P., Valenti, Luca +6 more·2021·Science Translational Medicine

Abstract

Increased Jagged1 in pericentral hepatocytes causes liver fibrosis in response to hepatocyte TLR4–NF-κB pathway activation in NASH.

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Crossref · 10.1126/scitranslmed.abe1692

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  • Microbiota-associated molecular patterns such as bacterial lipopolysaccharide accumulate in the portal vein and act as ligands for TLR2 and TLR4, activating pro-inflammatory pathways that lead to secretion of cytokines and chemokines from various liver cell types including endothelia, myofibroblasts and hepatocytes.

    “Microbiota-associated molecular patterns such as bacterial lipopolysaccharide accumulate in the portal vein and have been shown to act as ligands for TLR2 and TLR4. These activate pro-inflammatory pathways leading to secretion of cytokines and chemokines from various cell types in the liver, including endothelia, myofibroblasts and hepatocytes.125,149,150”
  • All known human TLRs are expressed by HSCs, indicating the importance of their interaction with the gut microbiome.

    “All known human TLRs are expressed by HSCs, indicating the importance of their interaction with the gut microbiome.150,151”

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Authors
Yu, J., Zhu, C., Wang, X., Kim, K., Bartolome, A., Dongiovanni, P., Yates, K. P., Valenti, L., Carrer, M., Sadowski, T., Qiang, L., Tabas, I., Lavine, J. E., & Pajvani, U. B.
Affiliations
  • Columbia University (US)
  • Department of Medicine, Columbia University, New York, NY 10032, USA.
  • Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (IT)
  • Johns Hopkins University (US)
  • University of Milan (IT)
  • Ionis Pharmaceuticals (United States) (US)
  • Sanofi (Germany) (DE)
Corresponding author
Pajvani, Utpal B.
Venue
Science Translational Medicine
Published
2021-06-23
Volume
13
Issue
599
ISSN
  • 1946-6234 (ISSN-L)
  • 1946-6242
OpenAlex
W3173162204
Cited by
132
References
73
Citations by year
2026: 21 · 2025: 39 · 2024: 21 · 2023: 28 · 2022: 20 · 2021: 3
FWCI
10.01
Type
journal article
Language
en
Open access
Locations
  • Science Translational Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK103818, DK119767, DK116620)
  • American Liver Foundation
  • Stiftelsen för Kunskaps- och Kompetensutveckling (RF-2016-02364358, 777377)
  • Russell Berrie Foundation
  • MyFIRST AIRC GRANT (n.16888)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Drug-Induced Hepatotoxicity and Protection
Keywords
Jagged1, Notch signaling, liver fibrosis, nonalcoholic steatohepatitis
MeSH terms
Jagged-1 Protein, Animals, Disease Models, Animal, Humans, Liver, Liver Cirrhosis, Mice, Inbred C57BL, Signal Transduction, Mice, Knockout, Hepatocytes, Toll-Like Receptor 4, Mice, Receptors, Notch, Non-alcoholic Fatty Liver Disease

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