Cited by 436Liver physiology and pathologyComplement system in diseasesDrug-Induced Hepatotoxicity and Protection

The proinflammatory mediators C3a and C5a are essential for liver regeneration

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Strey, Christoph W., Markiewski, Maciej, Mastellos, Dimitrios, Tudoran, Ruxandra, Spruce, Lynn A., Greenbaum, Linda E., Lambris, John D.·2003·The Journal of Experimental Medicine

Abstract

Complement has been implicated in liver repair after toxic injury. Here, we demonstrate that complement components are essential for liver regeneration, and mediate their effect by interacting with key signaling networks that promote hepatocyte proliferation. C3- or C5-deficient mice exhibited high mortality, parenchymal damage, and impaired liver regeneration after partial hepatectomy. Mice with dual C3 and C5 deficiency had a more exacerbated phenotype that was reversed by combined C3a and C5a reconstitution. Interception of C5a receptor signaling resulted in suppression of IL-6/TNFalpha induction and lack of C3 and C5a receptor stimulation attenuated nuclear factor-kappaB/STAT-3 activation after hepatectomy. These data indicate that C3a and C5a, two potent inflammatory mediators of the innate immune response, contribute essentially to the early priming stages of hepatocyte regeneration.

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Authors
Strey, C. W., Markiewski, M., Mastellos, D., Tudoran, R., Spruce, L. A., Greenbaum, L. E., & Lambris, J. D.
Affiliations
University of Pennsylvania (US)
Venue
The Journal of Experimental Medicine
Published
2003-09-15
Volume
198
Issue
6
Pages
913-923
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2167870644
Cited by
436
References
49
Citations by year
2026: 12 · 2025: 13 · 2024: 10 · 2023: 12 · 2022: 17 · 2021: 13 · 2020: 15 · 2019: 14 · 2018: 14 · 2017: 22 · 2016: 22 · 2015: 21 · 2014: 28 · 2013: 28 · 2012: 18
FWCI
13.75
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • The Journal of Experimental Medicine (publishedVersion)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01gm056698-04)
  • National Institute of General Medical Sciences (GM-62134, GM 56698, R01GM062134)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK 59422, R01DK059422)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Immunology and Microbiology › Immunology › Complement system in diseases
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Drug-Induced Hepatotoxicity and Protection
Keywords
complement system, C3a, C5a, liver regeneration, partial hepatectomy, hepatocyte proliferation, C3 deficiency, C5 deficiency, interleukin-6, TNF-α, NF-κB, STAT3, innate immunity, inflammatory mediators
MeSH terms
Animals, Cell Cycle, DNA-Binding Proteins, Hepatectomy, Liver, Liver Regeneration, Mice, Inbred C57BL, Receptors, Complement, Tumor Necrosis Factor-alpha, Signal Transduction, Trans-Activators, Antigens, CD, Interleukin-6, Complement C3a, Complement C5a, Macrophage-1 Antigen, NF-kappa B, Mice, Knockout, Hepatocytes, Receptor, Anaphylatoxin C5a, STAT3 Transcription Factor, Mice

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