Journal
MOLECULES
Volume 28, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/molecules28155783
Keywords
Terminalia bellirica; ulcerative colitis; inflammation; IL-6; JAK2; STAT3
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This study investigated the therapeutic effect of ethyl acetate extract (TBEA) from Terminalia bellirica fruit on ulcerative colitis (UC). The results showed that TBEA significantly alleviated UC symptoms by reducing oxidative stress, inflammation, as well as regulating intestinal flora structure. These findings provide new insights for the development of TBEA as a potential treatment for UC.
Ulcerative colitis (UC) is a chronic inflammatory disease significantly impacting patients' lives. This study aimed to elucidate the alleviating effect of ethyl acetate extract (TBEA) from Terminalia bellirica fruit on UC and to explore its mechanism. TBEA was the fraction with the best anti-inflammatory activity screened using in vitro anti-inflammatory assays, and HPLC initially characterized its composition. The mice model of ulcerative colitis was established after free drinking of 2.5% dextran sulfate sodium for six days, and the experimental group was treated with 50 mg/kg and 100 mg/kg TBEA for seven days. We found that TBEA significantly alleviated symptoms in UC mice, including a physiologically significant reduction in disease activity index and pathological damage to colonic tissue. TBEA dramatically slowed down oxidative stress and inflammatory process in UC mice, as evidenced by decreasing myeloperoxidase and malondialdehyde activities and increasing glutathione and catalase levels by reducing the concentrations of IL-6, IL-1 & beta;, TNF-& alpha;, and NO in UC mice, as well as by regulating key proteins in the IL-6/JAK2/STAT3 pathway. Meanwhile, TBEA maintained intestinal homeostasis by regulating intestinal flora structure. Our study provides new ideas for developing TBEA into a new drug to treat UC.
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