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Journal of Environmental Pathology, Toxicology and Oncology
Facteur d'impact: 1.241 Facteur d'impact sur 5 ans: 1.349 SJR: 0.356 SNIP: 0.613 CiteScore™: 1.61

ISSN Imprimer: 0731-8898
ISSN En ligne: 2162-6537

Journal of Environmental Pathology, Toxicology and Oncology

DOI: 10.1615/JEnvironPatholToxicolOncol.2018026923
pages 273-289

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

Alpashree
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Syed Kazim Hasan
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Johirul Islam
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Abul Vafa
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Shekh Mohammad Afzal
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Preeti Barnwal
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Aisha Siddiqi
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Rahat Ali
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India
Sarwat Sultana
Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences amia Hamdard, New Delhi, India

RÉSUMÉ

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, histopathological findings revealed that pretreatment with (MEBA) reduced intense filtration of inflammatory cells and significantly restored the architecture of colonic tissue. The results of this study indicate that MEBA significantly suppresses DMH-induced toxicity by ameliorating oxidative stress and inflammation and by restoring the architecture of colon tissue.


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