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Updated: Mar 24, 2026

Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
Published on: November 27, 2019
A Novel Resolvin-Based Strategy for Limiting Acetaminophen Hepatotoxicity
Suraj J Patel1,2, Jay Luther3, Stefan Bohr1
1Center for Engineering in Medicine and the Department of Surgery, Massachusetts General Hospital and the Shriners Burns Hospital, Boston, MA, USA.
Resolvins offer a promising new treatment for acetaminophen (APAP)-induced liver injury, outperforming N-acetyl cysteine (NAC) by extending the therapeutic window and reducing inflammation.
Area of Science:
- Hepatology
- Inflammation Biology
- Pharmacology
Background:
- Acetaminophen (APAP) overdose causes significant liver injury and mortality.
- Current treatment N-acetyl cysteine (NAC) is less effective when delayed.
- Resolvins, lipid mediators, may offer a novel therapeutic approach by modulating inflammation.
Purpose of the Study:
- To investigate the role of neutrophil activation in APAP-induced hepatotoxicity.
- To evaluate the therapeutic potential of resolvins in APAP-induced liver injury.
- To compare the efficacy of resolvins with NAC in a murine model.
Main Methods:
- Investigated temporal patterns of liver injury and neutrophil activation in a murine APAP model.
- Assessed the impact of neutrophil depletion and resolvin administration on liver injury.
- Conducted in vitro studies on resolvin effects on hepatocytes and neutrophil adhesion.
Main Results:
- Neutrophil activation occurs secondary to APAP-induced liver injury.
- Neutrophil depletion and resolvin administration attenuated APAP-induced liver injury.
- Resolvins extended the therapeutic window eightfold compared to NAC and inhibited neutrophil adhesion.
Conclusions:
- Resolvins demonstrate significant hepatoprotective effects against APAP-induced liver injury.
- Resolvins extend the therapeutic window for treating APAP hepatotoxicity compared to NAC.
- Inhibition of neutrophil infiltration and activation is a key mechanism of resolvin-mediated protection.
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