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Inhibitory Effects of Histone Deacetylase Inhibitor Depsipeptide on Benzo(a)pyrene- and Cyclophosphamide-Induced Genotoxicity in Swiss Albino MiceDepartment of Biochemistry, University of Madras, Guindy Campus, Chennai, India
School of Food and Life Science, Inje University, Kimhae, Korea
College of Oriental Medicine, Kyung-Hee University, Seoul, Korea
Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India Correspondence: Address correspondence to Dr. (Mrs.) T. Devaki, MSc, MPhil, PhD, Professor, Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600 025, India. E-mail:devakit{at}yahoo.co.uk
Depsipeptide (FK228 or FR901228) was evaluated in the mouse bone marrow micronucleus test for its possible protective effect against chromosomal damage induced by benzo(a)pyrene and cyclophosphamide. Three doses of depsipeptide (0.5, 1, and 1.5 mg/kg body weight) were given intravenously to mice for 7 consecutive days prior to administration of genotoxins under investigation. All the three doses of depsipeptide were effective in exerting a protective effect against both benzo(a)pyrene and cyclophosamide. A significant suppression (34.9% to 67.5%) in the micronuclei formation induced by benzo(a)pyrene and (25.7% to 71.5%) cyclophosphamide was observed following intravenous administration of depsipeptide at doses of 0.5, 1, and 1.5mg/kg in Swiss albino mice.
Key Words: Benzo(a)pyrene Cyclophosphamide Depsipeptide FK228 Genotoxicity Micronucleus Test
International Journal of Toxicology, Vol. 26, No. 1,
47-50 (2007) Related articles in International Journal of Toxicology:
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