Lactobacillus plantarum AS1 isolated from South Indian fermented food Kallappam suppress 1,2-dimethyl hydrazine (DMH)-induced colorectal cancer in male wistar rats

R. Satish Kumar, P. Kanmani, N. Yuvaraj, K. A. Paari, V. Pattukumar, C. Thirunavukkarasu, V. Arul

    研究成果: Article査読

    46 被引用数 (Scopus)

    抄録

    The relationship between antioxidant and anticancer properties of probiotic bacterium strain Lactobacillus plantarum AS1 (AS1) in colon cancer induced by 1,2-dimethylhydrazine (DMH) has been studied. In this study, an increased level of lipid peroxide (LPO) products and increased activities of antioxidant enzymes (superoxide dismutase, catalase and glutathione-S transferase) and marker enzymes (alkaline phosphatase and acid phosphatase) in colon and plasma of cancer-bearing animals have been observed. AS1 was supplemented either before initiation or during initiation and selection/ promotion phases of colon carcinogenesis and was found to be effective in altering lipid peroxidation and antioxidant enzyme activities and marker enzymes to a statistically significant level measured either in the colon and in the plasma. These alterations inclined towards normal in a time-dependent manner on AS1 supplementation. The mean tumor volume diameter and total number of tumors were found to be statistically decreased in AS1 pre- and post-treated rats. Furthermore, histopathological examination shows remarkable difference between control and treated groups. The in vitro antioxidant assay shows that AS1 has promising antioxidant property. These results demonstrate that AS1 strain can modulate the development of DMH-induced rat colon carcinogenesis through an antioxidant-dependent mechanism.

    本文言語English
    ページ(範囲)620-631
    ページ数12
    ジャーナルApplied Biochemistry and Biotechnology
    166
    3
    DOI
    出版ステータスPublished - 2012 2

    ASJC Scopus subject areas

    • Biotechnology
    • Bioengineering
    • Biochemistry
    • Applied Microbiology and Biotechnology
    • Molecular Biology

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