四神丸对溃疡性结肠炎大鼠的调控作用
Regulatory effect of Sishen Wan on ulcerative colitis rats
为了探讨四神丸对溃疡性结肠炎(UC)的作用机制,在硫酸葡聚糖钠盐(DSS)诱导的UC大鼠模型基础上,研究了四神丸对UC大鼠体重变化率、血便稀便、结肠长度的影响,以及对白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)、B细胞淋巴瘤2(Bcl-2)、Bcl2-Associated X的蛋白质(BCL2-Associated X,Bax)、血管内皮生长因子(VEGF)、表皮生长因子(EGF)、丙二醛(MDA)、谷胱甘肽(GSH)和超氧化物歧化酶(SOD)的调节作用. 结果 与正常组相比,模型组大鼠出现严重的稀便、血便、体重减轻和结肠缩短(P<0.01)情况,其余给药组的症状有所改善;与正常组比较,模型组大鼠血清中IL-6、TNF-α、Bax、VEGF含量显著升高,EGF、Bcl-2表达含量降低;同时伴随着GSH含量、SOD活力的下降及MDA含量的上升(P<0.01). 各给药组对DSS大鼠的上述指标均呈趋向于正常组水平调节. 结论 四神丸可以通过降低炎症因子(IL-6和TNF-α)、调节凋亡相关因子(上调Bcl-2和下调Bax)、调控生长因子(上调EGF和下调VEGF)、改善氧化应激损伤(降低MDA、提升GSH含量和SOD活力)来发挥对UC大鼠的治疗作用.
In order to explore the mechanism of action of Sishen Wan on ulcerative colitis (UC), based on the UC rat model induced by sodium dextran sulfate (DSS), the effects of Sishen Wan on the rate of weight change, bloody and loose stools, colon length, as well as the regulatory effects of Sishen Wan on interleukin-6 (IL-6), tumor necrosis factor -α (TNF-α), B-cell lymphoma 2 (Bcl-2), Bcl2-associated X protein (Bax), vascular endothelial growth factor (VEGF), epidermal growth factor (EGF), malondialdehyde (MDA) and glutathione (GSH) in UC rats. Results Compared with the normal group, the model group rats showed severe loose stools, bloody stools, weight loss, and colon shortening (P <0.01), while the symptoms of the other treatment groups improved; Compared with the normal group, the serum levels of IL-6, TNF-α, Bax, and VEGF in the model group rats significantly increased, while the expression levels of EGF and Bcl-2 decreased; At the same time, there was a decrease in GSH content, SOD activity, and an increase in MDA content (P <0.01). The above indicators of DSS rats in each treatment group tended to be regulated at the level of the normal group. Conclusion Sishen Wan can exert therapeutic effects on UC by reducing inflammatory factors (IL-6 and TNF-α), regulating apoptosis related factors (upregulating Bcl-2 and downregulating Bax), regulating growth factors (upregulating EGF and downregulating VEGF), and improving oxidative stress damage (reducing MDA, increasing GSH content and SOD activity).
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湖北省自然科学基金资助项目(2020CFB151)
中央高校专项资金资助项目(CZQ21019)
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