The therapeutic potential of flavonoids

Author: Wang H-K.

Source: Expert Opinion on Investigational Drugs, Volume 9, Number 9, September 2000 , pp. 2103-2119(17)

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Abstract:

Four most widely investigated flavonoids, flavopiridol, catechins, genistein and quercetin are reviewed in this article. Flavopiridol is a novel semisynthetic flavone analogue of rohitukine, a leading anticancer compound from an Indian tree. Flavopiridol inhibits most cyclin-dependent kinases and displays unique anticancer properties. It is the first cyclin-dependent kinase inhibitor to be tested in Phase II clinical trials. Catechin and its gallate are major ingredients in green tea and their anti-oxidant and cancer preventive effects have been widely investigated. A Phase I study of green tea extract GTE-TP91 has been conducted in adult patients with solid tumours. Similarly, genistein is a major ingredient in soybean and has been shown to prevent cancer and have antitumour, anti-oxidant and anti-inflammatory effects. Two antibody-genistein conjugates, B43-genistein and EGF-genistein, are currently in clinical development for the treatment of acute lymphoblastic leukaemia and breast cancer, respectively. Finally, most recent updates of quercetin are briefly described.

Keywords: antineoplastic agent; anti-oxidant; catechins; flavonoids; flavopiridol; genistein; quercetin

Document Type: Review article

Affiliations: 1: University of North Carolina at Chapel Hill, Room 323, Beard Hill, Chapel Hill, NC 27599-7360, USA. hwang@email.unc.edu

Publication date: 2000-09-01

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