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Lucigenin Luminescence Elicited by Microsomes and Its Modulation by Nitroazole Compounds

Lucigenin Luminescence Elicited by Microsomes and Its Modulation by Nitroazole Compounds The lucigenin luminescence elicited by rat liver microsomes and its modulation by the nitroazole compounds metronidazole and sanazole (drug AK‐2123), as well as the rates of lucigenindependent NADPH consumption and cytochrome c reduction, were studied. The obtained data suggest that the luminescence can be the result of univalent lucigenin reduction by microsomal NAD(P)Hreductases, generation of superoxide anion radical in the redox cycle of lucigenin radicals, dioxetane formation by (di)oxygenases, and catalytic action of cytochrome P450 heme on dioxetane decomposition, followed by light emission. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png IUBMB Life Wiley

Lucigenin Luminescence Elicited by Microsomes and Its Modulation by Nitroazole Compounds

IUBMB Life , Volume 48 (5) – Nov 1, 1999

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References (28)

Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
Copyright © 1999 International Union of Biochemistry and Molecular Biology
ISSN
1521-6543
eISSN
1521-6551
DOI
10.1080/713803559
pmid
10637765
Publisher site
See Article on Publisher Site

Abstract

The lucigenin luminescence elicited by rat liver microsomes and its modulation by the nitroazole compounds metronidazole and sanazole (drug AK‐2123), as well as the rates of lucigenindependent NADPH consumption and cytochrome c reduction, were studied. The obtained data suggest that the luminescence can be the result of univalent lucigenin reduction by microsomal NAD(P)Hreductases, generation of superoxide anion radical in the redox cycle of lucigenin radicals, dioxetane formation by (di)oxygenases, and catalytic action of cytochrome P450 heme on dioxetane decomposition, followed by light emission.

Journal

IUBMB LifeWiley

Published: Nov 1, 1999

Keywords: Cytochrome P450; Lucigenin; Luminescence; Metronidazole; Microsomes; Sanazole

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