Colono-protective Potentiality of Methanolic Bark Extract of Acacia catechu: A Medicinal Plant against 1,2-Dimethylhydrazine-Induced Toxicity in Wistar Rats

Journal of Environmental Pathology, Toxicology and Oncology : Official Organ of the International Society for Environmental Toxicology and Cancer
Alpa ShreeSarwat Sultana

Abstract

The protective efficacy of methanolic bark extract of Acacia catechu Willd. (MEBA) against 1,2-dimethylhydrazine (DMH)-induced colon toxicity was investigated. Acacia catechu is considered one of the most potent medicines for various diseases in Ayurveda, a traditional system of Indian medicine. It is a widely used herb that contains a variety of bioactive components such as phenolic acids, alkaloids, and flavonoids among others. In the present study, MEBA was used as a pretreatment orally at two doses (250 and 500 mg/kg body weight [b.w.] once daily for 7 days), and DMH was administered (at a dose of 40 mg/kg b.w.) subcutaneously on day 7 in Wistar rats. The protective potential of MEBA was assessed in terms of the activity of antioxidant enzymes, lipid peroxidation, and expression of inflammatory markers (iNOS, COX-2, NF-κB, IL-6). Pretreatment with MEBA significantly abrogated oxidative damage by diminishing tissue lipid peroxidation, increasing enzymatic activities of various antioxidant enzymes (catalase, glutathione peroxidase, glutathione reductase, glutathione-S-transferase, reduced glutathione), and diminishing the induced expression of inflammatory markers in the colon tissue of Wistar rats. Furthermore, histopatholog...Continue Reading

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