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SOD、CAT、GSH-Px 和 MDA 的水平可以反映氧化应激 scutellarein and 3,5,6-trimethylpyrazine-2-formic acid
的严重程度。本研究结果显示,TMSC4可升高大鼠脑组 linked with polar amino acid for ischemic stroke[J]. Med
织中的SOD、GSH-Px、CAT水平,降低MDA水平,这表明 Chem Res,2022,31(6):916-924.
TMSC4可减轻模型大鼠脑组织的氧化应激损伤。 [ 8 ] 刘明吉,吴淑霞,雷丹丹,等. 川芎嗪灯盏乙素苷元抗缺
缺血性、兴奋性中毒和创伤性脑损伤实验模型中程 血性脑卒中孪药的合成及活性研究[J]. 中国新药杂志,
2021,30(3):267-273.
序性细胞死亡的重要调节因子是 Bcl-2 和 caspase 家族。
[ 9 ] DONG Y X,DONG L,CHEN J L,et al. Synthesis and
当神经细胞缺血后,凋亡蛋白Bax会导致细胞色素C从 biological evaluation of N-alkyl-1,4-dihydroquinoline
线粒体中释放,激活caspase-9,进一步激活caspase-3,激
prodrugs of scutellarin methyl ester as neuroprotective
活的 caspase-3(即 cleaved-caspase-3)是细胞凋亡的关键
agents[J]. Med Chem Res,2018,27(4):1111-1121.
执行因子,通过降解凋亡抑制蛋白和细胞骨架蛋白等导 [10] 徐芳琴,郭超,王婧雯 . 山柰酚对脑缺血/再灌注损伤的
致细胞凋亡 。Bax(促凋亡成员)和Bcl-2(抗凋亡成员) 体内外保护作用机制研究[J]. 中国药房,2022,33(17):
[18]
属于 Bcl-2 蛋白家族,是一对拮抗蛋白;Bcl-2 蛋白通过 2065-2071.
[19]
与Bax蛋白结合形成复合物来抑制细胞凋亡 。本研究 [11] 汪继涛,刘天龙,李玉文. Z-没药甾酮联合11-羰基-β-乙
结 果 显 示 ,TMSC4 可 通 过 下 调 大 鼠 脑 组 织 中 Bax、 酰乳香酸对脑缺血再灌注损伤模型大鼠的改善作用研
cleaved-caspase-3 蛋白表达水平,上调 Bcl-2 蛋白表达水 究[J]. 中国药房,2019,30(24):3354-3359.
平,抑制神经细胞凋亡,从而起到神经保护作用。 [12] YIN L H,TANG T,LIN Y J,et al. Functional connectivity
中、高剂量 TMSC4 与 TMP、SC-Ag 比较发现,可明 of ipsilateral striatum in rats with ischemic stroke in‐
显降低炎症因子水平、提高抗氧化能力,这说明TMSC4 creased by electroacupuncture[J]. J Integr Neurosci,2022,
对CIRI模型大鼠的保护作用较SC-Ag、TMP更显著。 21(6):162.
[13] 马贤德,孙宏伟,柴纪严,等 . 线栓法制备大鼠脑缺血再
综上所述,TMSC4对CIRI模型大鼠具有保护作用,
灌注模型的方法研究[J]. 中华中医药学刊,2009,27(6):
其作用机制可能与减轻炎症反应、氧化应激损伤,抑制 1200-1201.
神经细胞凋亡有关。 [14] LIU M,XU Z P,WANG L,et al. Cottonseed oil alleviates
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· 1808 · China Pharmacy 2023 Vol. 34 No. 15 中国药房 2023年第34卷第15期