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Research progress in the modification of quercetin leading to anticancer agents

By Alessandro Massi, Olga Bortolini, Daniele Ragno, Tatiana Bernardi, Gianni Sacchetti, Massimo Tacchini and Carmela De Risi


The flavonoid quercetin (3,3,4,5,7-pentahydroxyflavone) is widely distributed in plants, foods, and beverages. This polyphenol compound exhibits varied biological actions such as antioxidant, radical-scavenging, anti-inflammatory, antibacterial, antiviral, gastroprotective, immune-modulator, and finds also application in the treatment of obesity, cardiovascular diseases and diabetes. Besides, quercetin can prevent neurological disorders and exerts protection against mitochondrial damages. Various in vitro studies have assessed the anticancer effects of quercetin, although there are no conclusive data regarding its mode of action. However, low bioavailability, poor aqueous solubility as well as rapid body clearance, fast metabolism and enzymatic degradation hamper the use of quercetin as therapeutic agent, so intense research efforts have been focused on the modification of the quercetin scaffold to obtain analogs with potentially improved properties for clinical applications. This review gives an overview of the developments in the synthesis and anticancer-related activities of quercetin derivatives reported from 2012 to 2016

Topics: quercetin, quercetin derivatives, methoxyflavones, anticancer, cell proliferation, cytotoxicity, multi-drug resistance (MDR)
Year: 2017
DOI identifier: 10.3390/molecules22081270
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