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Modulation of renal ischemia/reperfusion in rats by a combination of ischemic preconditioning and adipose-derived mesenchymal stem cells (ADMSCs)

机译:缺血预处理和脂肪间充质干细胞(ADMSCs)的组合对大鼠肾脏缺血/再灌注的调节

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The present study investigated the effects of combination of ischemic preconditioning (Ipre) and adipose-derived mesenchymal stem cells (ADMSCs) on renal ischemia-reperfusion (I-R) injury in rats. 90 male Sprague Dawley rats were divided into 5 equal groups; sham operated, control (45 min left renal ischemia), Ipre group as control group with 3 cycles of Ipre just before renal ischemia, ADMSCs-treated group (as control with ADMSCs 106 cells in 0.1 mL via penile vein 60 min before ischemia time), and Ipre + ADMSCs group as ADMCs group with 3 cycles of Ipre. Ipre and ADMSCs groups showed significant decrease in serum creatinine and blood urea nitrogen (BUN) and caspase-3 and CD45 expression in kidney and significant increase in HIF-1 alpha, SDF-1 alpha, CD31, and Ki67 expressions in kidney compared with the control group (p < 0.05). Moreover, the Ipre + ADMSCs group showed significant decrease in serum BUN and caspase-3 and CD45 expression in kidney with significant increase in HIF-1 alpha, SDF-1 alpha, CD31, and Ki67 expression in kidney compared with the Ipre and ADMCs groups (p < 0.05). We concluded that Ipre potentiates the renoprotective effect of ADMSCs against renal I/R injury probably by upregulation of HIF-1 alpha, SDF-1 alpha, CD31, and Ki67 and downregulation of caspase-3 and CD45.
机译:本研究调查了缺血预处理(Ipre)和脂肪来源的间充质干细胞(ADMSCs)联合使用对大鼠肾脏缺血再灌注(I-R)损伤的影响。将90只雄性Sprague Dawley大鼠分为5组,每组5只。假手术,对照组(左肾缺血45分钟),以Ipre组为对照组,在肾缺血前进行3个周期的Ipre,ADMSCs治疗组(以缺血前60分钟经阴茎静脉注入0.1 mL的ADMSCs 106细胞作为对照组) ,并将Ipre + ADMSCs组作为具有3个Ipre周期的ADMCs组。 Ipre和ADMSCs组与对照组相比,肾组织中的血清肌酐和血尿素氮(BUN)以及caspase-3和CD45表达显着降低,而HIF-1 alpha,SDF-1 alpha,CD31和Ki67表达显着升高。对照组(P <0.05)。此外,与Ipre和ADMCs组相比,Ipre + ADMSCs组显示肾脏中血清BUN和caspase-3和CD45表达显着下降,而肾脏中HIF-1 alpha,SDF-1 alpha,CD31和Ki67表达显着增加(p <0.05)。我们得出的结论是,Ipre可能通过上调HIF-1 alpha,SDF-1 alpha,CD31和Ki67以及下调caspase-3和CD45来增强ADMSC对肾脏I / R损伤的肾脏保护作用。

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