范盎然 于雪 王旭 王淑艳 陈紫微 魏鹏



摘要 目的:观察三七总皂苷(PNS)对小鼠巨噬细胞炎性反应的治疗作用,同时探讨其可能机制。方法:通过蛋白质免疫印迹实验、实时PCR法、酶联免疫吸附试验,对照研究PNS对小鼠巨噬细胞系RAW 246.7细胞中炎性反应调控因子过氧化物酶体增殖物激活受体-α(PPAR-α)以及其下游调控的炎性反应递质肿瘤坏死因子-α(TNF-α)、C反应蛋白(CRP)和重组人巨噬细胞集落刺激因子(M-CSF),白细胞介素6(IL-6),炎性反应相关氧化因子诱导型一氧化氮合酶(iNOS)和环氧化酶-2(COX-2)表达的影响。结果:小鼠巨噬细胞炎性反应模型制备后TNF-α、CRP、M-CSF、IL-6、iNOS及COX-2水平明显上调,三七总皂苷给药后,细胞炎性反应递质与造模组比较有显著降低,差异有统计学意义(P<0.05)。结论:三七总皂苷可明显抑制小鼠巨噬细胞炎性反应效应,其作用机制可能通过激活调控因子PPAR-α实现。
关键词 巨噬细胞;炎性反应模型;小鼠;三七总皂苷;机制;过氧化物酶体增殖物激活受体-α;炎性调控因子;炎性相关氧化因子
Effects of Panax Notoginseng Saponins on Macrophage Inflammation in Mice
FAN Angran,YU Xue,WANG Xu,WANG Shuyan,CHEN Ziwei,WEI Peng
(School of Traditional Chinese Medicine,Beijing University Of Chinese Medicine,Beijing 100029,China)
Abstract Objective:To observe the therapeutic effects of Panax notoginseng saponins(PNS)on macrophage inflammation in mice and to explore its possible mechanism.Methods:By Western Blotting test,Real-time PCR method and Elisa test,the effects of PNS on the expression of inflammatory regulatory factors PPAR-α,TNF-α,CRP and M CSF,IL 6,iNOS and COX-2 in mice macrophages were comparatively studied.Results:After the establishment of mouse macrophage inflammation model preparations,the concentrations of TNF-α,CRP,M CSF,IL 6,iNOS and COX-2 were significantly up-regulated.After administration of Panax Notoginseng Saponins,the levels of inflammatory factors were significantly lower than those in the model group,and the differences are statistically significant(P<0.001).Conclusion:Panax notoginseng saponins could significantly inhibit the inflammatory effects of macrophages in mice,and its mechanism may be realized by activating the regulatory factor PPAR-α.
Keywords Macrophage; Inflammation model; Mouse; Panax Notoginseng Saponins; Mechanism; PPAR-α; Inflammatory regulatory factor; Inflammatory related oxidative factor
中圖分类号:R282.6;R273 文献标识码:A doi:10.3969/j.issn.1673-7202.2020.08.002〖HK〗
在血管中,慢性炎性反应是引起单核-巨噬细胞募集,继而产生泡沫细胞的主要原因。主要由单核细胞被炎性反应递质募集、巨噬细胞进入动脉壁炎性反应破损处并分泌释放更多的炎性反应递质和炎性反应相关氧化因子,使得低密度脂蛋白(LDL)被氧化成为氧化型低密度脂蛋白(ox-LDL)、巨噬细胞摄取ox-LDL成为泡沫细胞死亡形成斑块脂质核几个过程组成。故而抑制这一最初的炎性反应在动脉粥样硬化的防治中显得尤为重要,抑制巨噬细胞炎性反应成为预防和治疗动脉粥样硬化方法[1-4]。
三七是临床常用的中药材,具有活血化瘀、消肿止痛的作用,临床广泛用于心脑血管疾病的治疗[5-6]。……