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Updated: Oct 1, 2025

Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
Published on: November 27, 2019
Amygdalin protects against acetaminophen-induced acute liver failure by reducing inflammatory response and inhibiting
Congcong Zhang1, Jiacheng Lin2, Chao Zhen3
1Central Laboratory, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China; Department of Liver Diseases, ShuGuang Hospital Affiliated to Shanghai University of Chinese Traditional Medicine, Shanghai, China.
Abstract:
Amygdalin is a natural compound from Bitter Apricot Seed which is reported to have anti-inflammatory activity. Acetaminophen (APAP) resulted in drug-induced liver injury is the main cause of acute liver failure (ALI) worldwide and only N-acetylcysteine is the accepted detoxification drug. However, there is no effective medicine to perfect the hepatocyte death and secondary inflammation injury. In this study, we aim to investigate the protective effect of Amygdalin in the APAP-induced acute liver failure mice model. We establish the ALI model via intraperitoneal APAP injection and mice were treated with Amygdalin with intraperitoneal injection. We detected liver enzyme and histological change to evaluate the liver injury. We measured oxidative damage markers and inflammatory cell infiltration of liver tissues. At last, we investigated the mechanism of Amygdalin on protecting hepatocytes. Results showed that Amygdalin reduced ALT/AST level and decreased necrotic area of liver tissue. In addition, Amygdalin reduced the count of MPO+(neutrophils) and F4/80+(macrophages) of the liver and inhibited IL-6, TNF-a, and IL-1b expression. Amygdalin reduced liver SOD and MDA levels and increased Nrf2/NQO1/HO1 protein expression. Moreover, Amygdalin reduced TUNEL+ and P-MLKL + staining cells in liver tissue. Mechanically, Amygdalin promoted phosphorylation of AKT and suppressed JNK/RIP3/MLKL signaling.
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