Title : Gallic acid, a natural polyphenol, protects against tert-butyl hydroperoxide- induced hepatotoxicity by activating ERK-Nrf2-Keap1-mediated antioxidative response.

Pub. Date : 2018 Sep

PMID : 29066411






8 Functional Relationships(s)
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1 Gallic acid, a natural polyphenol, protects against tert-butyl hydroperoxide- induced hepatotoxicity by activating ERK-Nrf2-Keap1-mediated antioxidative response. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens
2 We herein investigated the critical role of nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated antioxidant response in the protection of GA against tert-butyl hydroperoxide (t-BHP)-induced hepatotoxicity in L02 cells. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens
3 We herein investigated the critical role of nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated antioxidant response in the protection of GA against tert-butyl hydroperoxide (t-BHP)-induced hepatotoxicity in L02 cells. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens
4 Additionally, GA induced phosphorylated activation of extracellular regulated kinase (ERK), and ERK inhibitor PD98059 partially decreased GA-induced hepatoprotection, and downregulated the increased protein expressions of Nrf2, GCLC and HO-1 induced by GA. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens
5 Furthermore, molecular docking indicated that GA possibly competed with Nrf2 for binding to Keap1. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens
6 Collectively, GA effectively protects against t-BHP-induced hepatotoxicity via inducing ERK/Nrf2-mediated antioxidative signaling pathway. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens
7 Meanwhile, GA disturbs protein-protein interaction between Keap1 and Nrf2 which might also contribute to nuclear translocation of Nrf2. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens
8 Meanwhile, GA disturbs protein-protein interaction between Keap1 and Nrf2 which might also contribute to nuclear translocation of Nrf2. Gallic Acid NFE2 like bZIP transcription factor 2 Homo sapiens