Journal
FOOD AND CHEMICAL TOXICOLOGY
Volume 121, Issue -, Pages 131-139Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2018.08.060
Keywords
Acetaminophen; p-Coumaric acid; Hepatotoxicity; MAPK signaling axis; ROS
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Funding
- National Research Foundation of Korea - Korea Government (MSIP) [NRF-2015R1A4A1042271, NRF-2016R1A2B1006280]
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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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