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Review
. 2019 Jun:144:210-226.
doi: 10.1016/j.phrs.2019.04.025. Epub 2019 Apr 22.

Natural products in licorice for the therapy of liver diseases: Progress and future opportunities

Xiaojiaoyang Li  1 , Rong Sun  2 , Runping Liu  3
Affiliations
Review

Natural products in licorice for the therapy of liver diseases: Progress and future opportunities

Xiaojiaoyang Li et al. Pharmacol Res. 2019 Jun.

Abstract

Liver diseases related complications represent a significant source of morbidity and mortality worldwide, creating a substantial economic burden. Oxidative stress, excessive inflammation, and dysregulated energy metabolism significantly contributed to liver diseases. Therefore, discovery of novel therapeutic drugs for the treatment of liver diseases are urgently required. Licorice is one of the most commonly used herbal drugs in Traditional Chinese Medicine for the treatment of liver diseases and drug-induced liver injury (DILI). Various bioactive components have been isolated and identified from the licorice, including glycyrrhizin, glycyrrhetinic acid, liquiritigenin, Isoliquiritigenin, licochalcone A, and glycycoumarin. Emerging evidence suggested that these natural products relieved liver diseases and prevented DILI through multi-targeting therapeutic mechanisms, including anti-steatosis, anti-oxidative stress, anti-inflammation, immunoregulation, anti-fibrosis, anti-cancer, and drug-drug interactions. In the current review, we summarized the recent progress in the research of hepatoprotective and toxic effects of different licorice-derived bioactive ingredients and also highlighted the potency of these compounds as promising therapeutic options for the treatment of liver diseases and DILI. We also outlined the networks of underlying molecular signaling pathways. Further pharmacology and toxicology research will contribute to the development of natural products in licorice and their derivatives as medicines with alluring prospect in the clinical application.

Keywords: Glycyrrhetinic acid; Glycyrrhizin; Licorice; Liver diseases; Natural products.

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