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Asp预处理可显著上调模型大鼠心肌组织中miR-340-5p [ 6 ] DINGH S,YANG J,YANG J,et al. Fluvastatin attenuated
的表达,而抑制miR-340-5p的表达则可逆转Asp对大鼠 ischemia/reperfusion-induced autophagy and apoptosis in
心肌I/R损伤的保护作用。由此笔者推测,Asp可能通过 cardiomyocytes through down-regulation HMGB1/TLR4
signaling pathway[J]. Mol Biol Rep,2021,48(5):3893-
上调 miR-340-5p 的表达来发挥心肌保护作用。有研究
3901.
指出,成熟的miRNA与其靶mRNA的3′-UTR序列配对
[ 7 ] 吴咏梅 . 疏血通与阿司匹林合用对大鼠脑缺血/再灌注
结合后,可被整合到RNA诱导的沉默复合体中,从而导 损伤的药效学研究[D].长春:长春中医药大学,2018.
致靶 mRNA 降解 。本课题前期研究证实,HMGB1 编
[18]
[ 8 ] WU X L,WEI M H,ZHANG H F,et al. The protective ef‐
码基因是miR-340-5p的靶基因,且过表达的miR-340-5p fect of aspirin against myocardial hypertrophy in rats[J].
[4]
可显著降低 HMGB1 蛋白的表达 。结合本研究结果发 Biomed Res Int,2021,2021:2043415.
现,miR-340-5p介导的HMGB1通路在Asp保护心肌I/R [ 9 ] WU Z J,LI X W,LI X Y,et al. Effects of aspirin on myo‐
损伤中发挥了作用。据报道,HMGB1 已被鉴定为内源 cardial ischemia-reperfusion injury in rats through STAT3
性 TLR4 配体,可通过与髓样分化蛋白 2 结合来激活 signaling pathway[J]. Biomed Res Int,2021,2021:
TLR4 。有研究指出,抑制 HMGB1/TLR4 信号通路可 9931885.
[19]
抑制心肌细胞凋亡、自噬和炎症反应等,可见该通路可 [10] YANG J,YANG C J,YANG J,et al. RP105 alleviates
能与改善缺血性心肌损伤有关 。本研究结果显示,经 myocardial ischemia reperfusion injury via inhibiting
[6]
TLR4/TRIF signaling pathways[J]. Int J Mol Med,2018,
Asp预处理后,HMGB1、TLR4蛋白的相对表达量均显著
41(6):3287-3295.
降低,而HMGB1过表达可部分逆转Asp对心肌I/R损伤
的改善作用,提示 HMGB1/TLR4 信号通路可能参与了 [11] MCCORMICK-ELL J,CONNELL N. Laboratory safety,
biosecurity,and responsible animal use[J]. ILAR J,2019,
Asp 的 I/R 损伤保护机制。miR-340-5p 与 HMGB1 的靶 60(1):24-33.
向 关 系 分 析 结 果 显 示 ,miR-340-5p 可 靶 向 负 调 控 [12] WENZ J,XIN H,WANGY C,et al. Emerging roles of
HMGB1的表达。 circRNAs in the pathological process of myocardial in-
综上所述,Asp 可通过调节 miR-340-5p/HMGB1/ farction[J]. Mol Ther Nucleic Acids,2021,26:828-848.
TLR4 通路来减轻炎症反应和氧化应激,减少心肌组织 [13] WIJNTJENSG W,FENGLER K,FUERNAU G,et al.
中的细胞凋亡,进而发挥对心肌 I/R 损伤的保护作用。 Prognostic implications of microcirculatory perfusion ver‐
然而,Asp 的主要作用靶点为环氧合酶 1/2 和前列腺素 sus macrocirculatory perfusion in cardiogenic shock:a
E2,上述靶点是否与 miR-340-5p/HMGB1/TLR4 信号通 CULPRIT-SHOCK substudy[J]. Eur Heart J Acute Cardio‐
路关联尚有待探究;此外,本研究并未单独设置不受药 vasc Care,2020,9(2):108-119.
[14] HAUSENLOYD J,SCHULZ R,GIRAO H,et al. Mito‐
物干预的 miR-340-5p、HMGB1 过表达组,加之心肌 I/R
损伤调控机制复杂,故Asp的具体机制和其他途径仍有 chondrial ion channels as targets for cardioprotection[J]. J
Cell Mol Med,2020,24(13):7102-7114.
待进一步论证。 [15] ANDREADOU I,SCHULZ R,PAPAPETROPOULOS A,
参考文献 et al. The role of mitochondrial reactive oxygen species,
[ 1 ] DRAGASEVIC N,JAKOVLJEVIC V,ZIVKOVIC V,et al. NO and H2S in ischaemia/reperfusion injury and car-
The role of aldosterone inhibitors in cardiac ischemia- dioprotection[J]. J Cell Mol Med,2020,24(12):6510-
reperfusion injury[J]. Can J Physiol Pharmacol,2021,99 6522.
(1):18-29. [16] HUANG Z,XU Y S,WAN M P,et al. miR-340:a multi‐
[ 2 ] WANG W J,WANG B L,SUN S K,et al. Inhibition of functional role in human malignant diseases[J]. Int J Biol
adenosine kinase attenuates myocardial ischaemia/reper- Sci,2021,17(1):236-246.
fusion injury[J]. J Cell Mol Med,2021,25(6):2931-2943. [17] ZHU Y H,YANG X W,ZHOU J,et al. miR-340-5p me-
[ 3 ] BAI Q J,LI Y,SONG K P,et al. Knockdown of XIST up- diates cardiomyocyte oxidative stress in diabetes-induced
regulates 263294miR-340-5p to relieve myocardial ischae- cardiac dysfunction by targeting Mcl-1[J]. Oxid Med Cell
mia-reperfusion injury via inhibiting cyclin D1[J]. ESC Longev,2022,2022:3182931.
Heart Fail,2022,9(2):1050-1060. [18] YANG M L,WOOLFENDENH C,ZHANG Y Y,et al. In‐
[ 4 ] GAO Y Z,WANG L M,NIU Z Q,et al. miR-340-5p in‐ tact RNA structurome reveals mRNA structure-mediated
hibits pancreatic acinar cell inflammation and apoptosis regulation of miRNA cleavage in vivo[J]. Nucleic Acids
via targeted inhibition of HMGB1[J]. Exp Ther Med, Res,2020,48(15):8767-8781.
2022,23(2):140. [19] YANG H,WANG H C,ANDERSSON U. Targeting in‐
[ 5 ] CHEN C B,LU C H,HE D W,et al. Inhibition of flammation driven by HMGB1[J]. Front Immunol,2020,
HMGB1 alleviates myocardial ischemia/reperfusion in‐ 11:484.
jury in diabetic mice via suppressing autophagy[J]. Micro‐ (收稿日期:2022-03-31 修回日期:2022-08-15)
vasc Res,2021,138:104204. (编辑:张元媛)
中国药房 2022年第33卷第20期 China Pharmacy 2022 Vol. 33 No. 20 ·2513·