Abstract
Resveratrol (3,5,4′-trihydroxylstilbene) has been proposed to elicit a variety of positive health effects including protection against cancer and cardiovascular disease. The highest affinity target of resveratrol identified so far is the oxidoreductase enzyme quinone reductase 2 (QR2), which is believed to function in metabolic reduction and detoxification processes; however, evidence exists linking QR2 to the metabolic activation of quinones, which can lead to cell toxicity. Therefore, inhibition of QR2 by resveratrol may protect cells against reactive intermediates and eventually cancer. With the aim of identifying novel inhibitors of QR2, we designed, synthesized, and tested two generations of resveratrol analogue libraries for inhibition of QR2. In addition, X-ray crystal structures of six of the resveratrol analogues in the active site of QR2 were determined. Several novel inhibitors of QR2 were successfully identified as well as a compound that inhibits QR2 with a novel binding orientation.
Original language | English |
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Pages (from-to) | 6022-6037 |
Number of pages | 16 |
Journal | Bioorganic and Medicinal Chemistry |
Volume | 21 |
Issue number | 19 |
DOIs | |
State | Published - 1 Oct 2013 |
Bibliographical note
Funding Information:Use of the Advanced Photon Source, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, was supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. Use of the LS-CAT Sector 21 was supported by the Michigan Economic Development Corporation and the Michigan Technology Tri-Corridor (Grant 085P1000817 ). K.C.J. acknowledges support by the National Institute of Health Biophysics Training Grant T32 GM008296 (NIH/GM). This research was supported in part by Grants from the Walther Cancer Foundation (to A.D.M) and the NIH (NCI CA48112 to A.D.M.) We would also like to acknowledge support from the Macromolecular Crystallography Shared Research Facility via the Purdue University Center for Cancer Research.
Keywords
- Inhibitors
- Library
- Organic synthesis
- Quinone reductase 2
- Resveratrol
- X-ray crystallography