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This study aims to study the in-vivo anticancer effect of the synthesized copper complexes of 2,3-dihydroxy benzaldehyde thiosemicarbazone (3a,b), followed by evaluating their antioxidant activity. Materials and methods: A total number of 80 adult female swiss albino mice weighing 20-25 gm were divided into 8 groups (10 mice /each group). The acute toxicity was estimated by intraperitoneal injection of the compounds (3a, b). Results: We found that, 5 mg /kg and 10 mg /kg were considered to be the most effective dose of compounds 3a & 3b, respectively. The mean volume of EAC in the positive control group was found to be 4.2 ±0.5 (mL), this value was significantly decreased by 100%, (p<0.001) for 3a & 3b treated groups, respectively.
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