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Food Chem Toxicol. 2010 Dec;48(12):3458-61. doi: 10.1016/j.fct.2010.09.021. Epub 2010 Sep 19.

Therapeutic efficacies of Coriandrum sativum aqueous extract against metronidazole-induced genotoxicity in Channa punctatus peripheral erythrocytes.

Author information

1
Department of Environmental Science, University of Calcutta, Kolkata, West Bengal, India.

Abstract

Metronidazole (MTZ), a nitroimidazole drug, is primarily used as an anti-protozoan or an anti-bacterial agent in humans, although its genotoxic and carcinogenic effects have been widely reported, particularly in aquatic organisms. MTZ may induce DNA damages through single-strand breaks, modification of bases, DNA-DNA and DNA-protein cross-links, ultimately leading to apoptosis or necrosis. Here, we have assessed the genotoxicity of MTZ in the peripheral erythrocytes of Channa punctatus, using micronucleation (MN) and binucleation (BN) as genotoxicity markers. The therapeutic potential of aqueous extract of Coriandrum sativum against MTZ-induced genotoxicity has also been examined. The results show significant (P<0.05) increase in both MN and BN formation due to MTZ treatment. Such aberrations were higher in smaller fish samples for a particular dosage of MTZ, as established by correlation analysis between fish body weight and MN/BN count at P<0.05. However, such degenerative damages were found to be alleviated by a great extent due to treatment with C. sativum leaf extract. Hence, we establish that MTZ can produce considerable degrees of micronucleus and binucleus formation in peripheral erythrocytes of C. punctatus, and such deleterious effect of MTZ treatment can be mitigated by aqueous extract of C. sativum leaves.

PMID:
20858524
DOI:
10.1016/j.fct.2010.09.021
[Indexed for MEDLINE]

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