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  • Title: [Study on protective mechanism of kushenin injection on colonic mucosa of experimental colitis rats].
    Author: Tang Q, Fan H, Shou Z, Liu X.
    Journal: Zhongguo Zhong Yao Za Zhi; 2012 Jun; 37(12):1814-7. PubMed ID: 22997830.
    Abstract:
    OBJECTIVE: To study the effect of NOD2 on colitis pathogenesis in experimental rats, and discuss therapeutical effect and mechanism of kushenin injection (OMT) on colitis in experimental rats. METHOD: Fourty Sprague-Dawley (SD) rats were randomly divided into four groups: the normal control group, the model group, the SASP group, and the OMT group, with 10 rats in each group. Except the normal control group, models were established in the remaining three groups with TNBS. The OMT group was injected with kushenin injection, the SASP group was orally administered with mesalazine suspension, the model group and the normal group were orally administered with distilled water for 15 days. Colon lesion score and histological score of experimental rats were observed. Expression of NOD2, NF-kappaB p65 protein in rats colonic mucous was detected by immunohistochemistry. Expression of IL-6 in rat colon mucous was detected by ELISA. RESULT: Compared with normal control group, the expression of NOD2, NF-kappaB p65 and IL-6 in colonic mucosa of the model group were significantly increased (P < 0.01). The SASP group and the OMT group showed lower expressions of NOD2, NF-kappaB p65 and IL-6 in colonic mucosa than the model group (P < 0.01, P < 0.05). CONCLUSION: The over expression of colonic mucosa proteins NOD2 and NF-kappaB p65 and increasing secretion of IL-6 take part in the appearance and development of ulcerative colitis. OMT can attenuate ulcerative colitis and protect colonic mucosa by inhibiting expression of NOD2, NF-kappaB p65 and decreasing IL-6.
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