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种细胞骨架蛋白,二者在维持肠黏膜屏障功能方面至关                                 径抑制烧伤大鼠肠上皮细胞凋亡发挥肠黏膜结构保护
          重要 。RhoA是Rho家族蛋白的一员,是细胞信号转导                              作用的机制[J]. 实用医学杂志,2022,38(11):1353-1358.
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          的转导分子之一,而ROCK1是RhoA的主要下游信号分                              WEN H L,MENG X X,YANG J Z,et al. Loganin inhi-
          子。Rho/ROCK1 信号通路会影响细胞骨架及其紧密连                             bits the apoptosis of intestinal epithelial cells in burned rats
                                                                   and  protects  the  intestinal  mucosal  structure  through  the
          接,进而改变肠黏膜屏障的通透性,在维持肠黏膜屏障
                              [15]
          完整性中发挥重要作用 。本研究结果显示,与假手术                                 ERS pathway[J]. J Pract Med,2022,38(11):1353-1358.
          组比较,脓毒症组大鼠回肠组织中 RhoA、ROCK1 蛋白                       [ 7 ]  陈卫,杨丽,华丽,等. 不同浓度人参总皂苷对脓毒症大
                                                                   鼠肺组织细胞凋亡、免疫球蛋白及bFGF蛋白的影响[J].
          的相对表达水平均显著升高,ZO-1、Occludin 阳性染色
                                                                   中国老年学杂志,2024,44(8):1917-1921.
          面积百分比均显著降低,提示激活RhoA/ROCK1信号通                             CHEN  W,YANG  L,HUA  L,et  al.  Effects  of  different
          路可能影响脓毒症大鼠的肠道屏障功能;但经马钱苷干                                 concentrations of ginsenoside on apoptosis,immunoglobu‐
          预后,大鼠回肠组织中 RhoA、ROCK1 蛋白的相对表达                            lin and bFGF protein in lung tissue of septic rats[J]. Chin
          水平均显著降低,ZO-1、Occludin 阳性染色面积百分比                          J Gerontol,2024,44(8):1917-1921.
          均显著升高,推断马钱苷对脓毒症引发的肠道损伤具有                            [ 8 ]  张涛,毛治尉,豆倩云,等 . 基于 RhoA/ROCK 通路探讨
          改善作用,这可能与抑制 RhoA/ROCK1 信号通路有关。                           赤芍总苷对心肌梗死大鼠心肌凋亡的影响[J]. 中国老年
          为了验证上述推断,本研究还将 RhoA 激活剂 LPA 纳入                           学杂志,2023,43(5):1138-1142.
          实验,设置了马钱苷高剂量+LPA 组,结果显示,LPA 可                            ZHANG T,MAO Z W,DOU Q Y,et al. Effect of total
          显著逆转高剂量马钱苷对脓毒症致肠道损伤的改善作                                  glucosides of paeony on myocardial apoptosis in rats with
          用,提示马钱苷可通过降低RhoA/ROCK1信号通路的活                             myocardial infarction based on RhoA/ROCK pathway[J].
                                                                   Chin J Gerontol,2023,43(5):1138-1142.
          性来减轻脓毒症大鼠肠道屏障损伤及炎症反应。
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              综上所述,马钱苷可减轻脓毒症大鼠炎症反应和肠
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          道屏障损伤,其机制与抑制 RhoA/ROCK1 信号通路有                            hemodynamic,and  metabolic  reappraisal[J].  Arch  Surg,
          关。但由于脓毒症并发肠道屏障损伤的发病机制复杂,                                 1970,101(4):478-483.
          具有多方面的发病机制及通路,因此后续实验将针对其                            [10]  ZHU L,DOU Z M,WU W,et al. Ghrelin/GHSR axis in‐
          他机制进行进一步的研究。                                             duced  M2  macrophage  and  alleviated  intestinal  barrier
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          · 578 ·    China Pharmacy  2025 Vol. 36  No. 5                               中国药房  2025年第36卷第5期
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