The Genoprotective Activity of Aqueous Green Tea extract against Metronidazole and Tinidazole Genotoxic Effect
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The study designed to evaluate the Geno-protective effect of green tea extract against genotoxicity induced by metronidazole and tinidazole.
Thirty-six mice were used, For each experiment, The animals divided into 6 groups: Group I-Negative control administered distilled water; Group II-Healthy mice treated with metronidazole alone, Group III-Healthy mice treated with tinidazole alone; Group IV-Healthy mice administered green tea extract alone Group V-Healthy mice treated with metronidazole, followed by green tea extract administration, Group VI-Healthy mice treated with tinidazole, followed by administration of green tea extract.
treatment with Tinidazole significantly increase total chromosomal aberration (0.185± 0.0039, 0.167±0.0049) as compared to negative control group (0.116±0.004, 0.103±0.004) in bone marrow and spleen cells respectively. In addition results showed significant change in total chromosomal aberration between the groups (II, IV, V) (0.122±0.012, 0.079±0.005, 0.101±0.0077) (0.121±0.005, 0.067±0.002, 0.087±0.004) in bone marrow cells and spleen cells respectively. In addition, the results shown that there are significant changes in total chromosomal aberration between the groups (III, IV, VI) (0.185±0.0039, 0.079±0.005, 0.133±0.0135) (0.167±0.0049, 0.067±0.002, 0.11±0.012) in bone marrow cells and spleen cells respectively.
Tinidazole has greater effect than metronidazole on total chromosomal aberration and the aqueous extract of green tea confers Geno-protective effect against the metronidazole or tinidazole induced genotoxicity in mice.
Genotoxicity, genoprotection, green tea, metronidazole, tinidazole.