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Abstract Title:

Protective effects of p-coumaric acid against acetaminophen-induced hepatotoxicity in mice.

Abstract Source:

Food Chem Toxicol. 2018 Nov ;121:131-139. Epub 2018 Aug 24. PMID: 30149109

Abstract Author(s):

Hanvit Cha, Seoyoon Lee, Jin Hyup Lee, Jeen-Woo Park

Article Affiliation:

Hanvit Cha

Abstract:

Acetaminophen (N-acetyl-p-aminophenol, AAP) is an effective analgesic and antipyretic drug with minimal toxicity when used at therapeutic doses. However, AAP overdose is the most common cause of drug-induced acute liver failure and one of the main causes of morbidity and mortality. p-Coumaric acid (PCA) is the most abundant isomer of hydroxycinnamic acid in nature, and it can be widely found in fruits, vegetables, and plants products. PCA has strong antioxidant activity and exhibits protective effects in numerous disease models associated with reactive oxygen species (ROS) generation. In this study, we investigated the protective effects of PCA on AAP-induced hepatotoxicity and the underlying mechanisms using an in vivo model. We found that PCA ameliorates AAP-induced hepatotoxicity as well as the reduced serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activity. Furthermore, we observed that PCA suppressed hepatic apoptosis via ROS-mediated DNA damage responses and inflammation by modulating the mitogen-activated protein kinase (MAPK) signaling axis in an ROS-dependent manner. These findings indicate that the administration of PCA protects against AAP-induced hepatotoxicity, suggesting it could be a novel therapeutic strategy for AAP-induced liver injury.

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