[1]冯明辉,贺松其,黄松泽,等.鳖甲煎丸对二乙基亚硝胺诱导的大鼠肝癌的抑制作用及机制[J].南方医科大学学报,2020,(08):1148-1154.
 Inhibitory effect of Biejiajian pills against diethylnitrosamine-induced hepatocarcinogenesisin rats[J].Journal of Southern Medical University,2020,(08):1148-1154.
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鳖甲煎丸对二乙基亚硝胺诱导的大鼠肝癌的抑制作用及机制()
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《南方医科大学学报》[ISSN:1673-4254/CN:44-1627/R]

卷:
期数:
2020年08期
页码:
1148-1154
栏目:
出版日期:
2020-07-30

文章信息/Info

Title:
Inhibitory effect of Biejiajian pills against diethylnitrosamine-induced hepatocarcinogenesis in rats
作者:
冯明辉贺松其黄松泽林佳鑫杨惠琳王嘉吉庞 杰
关键词:
鳖甲煎丸肝癌二乙基亚硝胺炎症小体NLRP3
Keywords:
Biejiajian pills hepatocellular carcinoma diethylnitrosamine inflammasomes NLRP3
文献标志码:
A
摘要:
目的 研究鳖甲煎丸对二乙基亚硝胺(DEN)诱导大鼠肝癌的抑制作用及其对炎症小体相关通路的影响,探讨其肿瘤抑制作用与炎症小体信号通路的关系。方法 65只雄性SD大鼠平均分为5组(13只/组):对照组(Con)、DEN模型组(DEN)、鳖甲煎丸低剂量治疗组[DEN+BJJ-L,0.55 g/(kg· d)]、鳖甲煎丸中剂量治疗组[DEN+BJJ-M,1.1 g/(kg· d)]及鳖甲煎丸高剂量治疗组 (DEN+BJJ-H,2.2 g/kg· d)。在使用DEN造模4周后,分别使用鳖甲煎丸低、中、高3种剂量灌胃处理,继续造模并持续给药12周 后,收集组织通过HE和Masson染色观察肝脏组织病理形态学改变,通过ELISA检测了大鼠血清中谷丙转氨酶(ALT)、谷草转氨酶(AST)、碱性磷酸酶(ALP)和总胆红素(TBIL)含量以判断肝损伤,利用ELISA检测肝脏组织中氧化应激相关指标,通过免疫印迹实验及ELISA方法对炎症小体相关通路的分子表达进行检测。结果 鳖甲煎丸可显著抑制大鼠肝脏肿瘤生长,HE和Masson染色结果显示鳖甲煎丸可降低大鼠肝组织纤维化程度,减少癌变细胞和炎性细胞浸润。ELISA显示,鳖甲煎丸可显著降低DEN处理后大鼠血清中增加的ALT、AST、ALP和TBIL含量,同时显著升高肝组织中超氧化物歧化酶、过氧化氢酶和谷胱甘肽过氧化物酶含量,并降低丙二醛水平。对炎症小体通路相关分子的检测结果表明,鳖甲煎丸处理可显著降低肝脏NLRP3、ASC、caspase-1、pro-IL-1β、pro-IL-18、IL-1β和 IL-18表达水平,且呈现剂量依赖相关。结论 鳖甲煎丸对二乙基亚硝胺诱导大鼠肝癌的有抑制作用,这种抑制作用呈剂量依赖且这种抑制作用与抗氧化能力的增强及显著下调炎症小体相关通路相关。
Abstract:
: Objective To study the inhibitory effect of Biejiajian pills (BJJ) agaisnt diethylnitrosamine (DEN)-induced hepatocarcinogenesis and explore the relation between this effect and the inflammasome signaling pathway. Methods Sixty-five male SD rats were randomly divided into control group, DEN model group, and 3 BJJ treatment groups at low, medium and high dose (with daily dose of 0.55, 1.1 and 2.2 g/kg, respectively, for 12 consecutive weeks starting from the 5th week after modeling). The pathological changes of the liver tissue were observed with HE and Masson staining, and serum levels of alanine transaminase (ALT), glutamic oxaloacetic transaminase (AST), alkaline phosphatase (ALP) and total bilirubin (TBIL) of the rats were detected using ELISA. Oxidation stress in the liver tissue was assessed with ELISA, and Western blotting and ELISA were used to detect the molecular expressions of inflammasome-related pathway. Results BJJ significantly inhibited tumor growth in the liver of the rats. HE and Masson staining showed that BJJ treatment obviously ameliorated liver fibrosis and reduced cancer cell and inflammatory cell infiltration in the liver. BJJ significantly reduced elevations of serum ALT, AST, ALP and TBIL levels, increased the contents of superoxide dismutase, catalase and glutathione peroxidase in the liver and suppressed malondialdehyde in Den-treated rats. BJJ also dose-dependently decreased the expressions of NLRP3, apoptosis-associated speck-like protein (ASC), caspase-1, pro-IL-1β, pro-IL-18, IL-1β and IL-18 in the liver of Den-treated rats. Conclusion BJJ treatment can dose-dependently inhibit DEN-induced hepatocarcinogenesis by enhancing antioxidant capacity and down-regulating inflammatory-related pathways in rats.

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更新日期/Last Update: 2020-07-28