Cited by 147Liver physiology and pathologyCytokine Signaling Pathways and InteractionsOrgan Transplantation Techniques and Outcomes

Role of STAT3 in liver regeneration: survival, DNA synthesis, inflammatory reaction and liver mass recovery

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Moh, Akira, Iwamoto, Yoshiki, Chai, Gui-Xuan, Zhang, Samual Shao-min, Kano, Arihiro, Yang, Derek D, Zhang, Wenjun, Wang, Jun +4 more·2007·Laboratory Investigation

Abstract

The hepatoprotective effect of interleukin-6 (IL-6)/signal transducer and activator of transcription 3 (STAT3) has been well documented. However, reports on the role of IL-6/STAT3 in liver regeneration are conflicting probably due to the fact that the model of Stat3 knockout mice were complicated with obesity and fatty liver, which may cause some secondary effects on liver regeneration. To study the direct role of STAT3 and to circumvent the problems of obesity and fatty liver in liver regeneration, we generated conditional STAT3 knockout in the liver (L-Stat3(-/-)) using a transthyretin-driven Cre-lox method. The L-Stat3(-/-) mice were born with the expected Mendelian frequency and showed no obesity or other obvious phenotype. After partial hepatectomy, mortality in the L-Stat3(-/-) mice was significantly higher than the littermate Stat3(f/+) controls in the early time points (<24 h). Hepatocyte DNA synthesis in the survived L-Stat3(-/-) mice slightly decreased as compared with Stat3(f/+) mice at 40 h after partial hepatectomy, whereas similar hepatocyte DNA synthesis was found at other time points and liver mass could be completely recovered in the L-Stat3(-/-) mice. In another model of liver regeneration induced by subcutaneous injection of carbon tetrachloride (CCl(4)), hepatocyte DNA synthesis in the CCl(4)-treated L-Stat3(-/-) mice also decreased as compared with Stat3(f/+) mice at 40 h after injection but not at other time points. In addition, infiltration of neutrophils and monocyte increased in the liver of CCl(4)-treated L-Stat3(-/-) mice compared to wild-type mice. In conclusion, STAT3 is required for survival in the acute stage after 70% hepatectomy and plays a role in inflammatory reaction after hepatocyte necrosis. However, the hepatocytic STAT3 may have limited role in liver mass recovery although DNA synthesis may be impaired.

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Crossref · 10.1038/labinvest.3700630

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  • Successful liver regeneration depends on an intact TNF-NFκB-IL-6-STAT3 pathway.

    “Successful LR depends on an intact TNF-NFκB-IL-6-STAT3 pathway.”

    From A20 promotes liver regeneration by decreasing SOCS3 expression to enhance IL-6/STAT3 proliferative signals (2013) · cites this paper as [29]

    The Abstract reports that surviving mice lacking liver STAT3 completely recovered liver mass after partial hepatectomy. The Conclusion (page not provided) says STAT3 is required for survival in the acute stage but plays a limited role in subsequent DNA synthesis and liver-mass recovery. Thus, the paper does not support an intact STAT3 pathway as a requirement for successful liver regeneration. (LLM, conf=0.88)

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  • Hepatocyte-specific STAT3 knockout causes insulin resistance and impaired liver regeneration.

    “Insulin resistance; impaired liver regeneration”

    From Targeting Janus Kinases and Signal Transducer and Activator of Transcription 3 To Treat Inflammation, Fibrosis, and Cancer: Rationale, Progress, and Caution (2020) · cites this paper as Moh et al., 2007

    The Abstract and the section on liver-mass restoration report higher early mortality and a slight, temporary decrease in hepatocyte DNA synthesis after liver-specific STAT3 deletion. They also report complete liver-mass recovery, so they do not support a general claim of impaired regeneration. Our copy does not report insulin resistance (searched: “insulin resistance”). Page numbers were unavailable. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • The effect of liver-specific Stat3 deletion on liver regeneration was relatively modest.

    “By contrast, the effect of liver-specific Stat3 deletion was relatively modest (71, 72)”

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3 of the 39 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. Bellovino D, Morimoto T, Pisaniello A, et al. In vitro and in vivo studies on transthyretin oligomerization. Exp Cell Res 1998;243:101-112.

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Authors
Moh, A., Iwamoto, Y., Chai, G.-X., Zhang, S. S.-M., Kano, A., Yang, D. D., Zhang, W., Wang, J., Jacoby, J. J., Gao, B., Flavell, R. A., & Fu, X.-Y.
Affiliations
  • Indiana University School of Medicine (US)
  • Yale University (US)
  • National Institutes of Health (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Fu, Xin-Yuan
Venue
Laboratory Investigation
Publisher
Elsevier BV
Published
2007-10
Volume
87
Issue
10
Pages
1018-1028
ISSN
0023-6837 (ISSN-L)
OpenAlex
W2090563155
Cited by
147
References
39
Citations by year
2026: 7 · 2025: 6 · 2024: 5 · 2023: 14 · 2022: 9 · 2021: 13 · 2020: 13 · 2019: 8 · 2018: 11 · 2017: 6 · 2016: 6 · 2015: 5 · 2014: 5 · 2013: 9 · 2012: 7
FWCI
3.88
Type
journal article
Language
en
Open access
Locations
  • Laboratory Investigation (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • Yale University
  • National Institutes of Health (5r01ar044906-05, DK34989)
  • U.S. Army
  • National Institute of Allergy and Infectious Diseases (R01AI34522, R01AI034522)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-34989, P30DK034989)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01-AR-44906)
  • Yale Liver Center (DK34989)
Topics
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Health Sciences › Medicine › Surgery › Organ Transplantation Techniques and Outcomes
Keywords
STAT3, liver regeneration, interleukin-6, partial hepatectomy, carbon tetrachloride, hepatocyte DNA synthesis, hepatocyte viability, liver inflammation, neutrophil infiltration, monocyte infiltration, liver necrosis
MeSH terms
Animals, Carbon Tetrachloride, Digestive System, Disease Models, Animal, DNA, Hepatectomy, Inflammation, Liver, Liver Regeneration, Gene Deletion, Mice, Knockout, Integrases, Hepatocytes, Hepatic Insufficiency, STAT1 Transcription Factor, STAT3 Transcription Factor, Mice

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