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-  2017 

水飞蓟素对大鼠肾脏缺血再灌注损伤的影响及IL-6和NF-κB的表达变化

DOI: 10.7652/jdyxb201706028

Keywords: 水飞蓟素,大鼠,缺血再灌注损伤,IL-6,NF-κB

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Abstract:

摘要:目的 探索不同浓度水飞蓟素对大鼠肾脏缺血再灌注损伤的作用及对IL-6和NF-κB表达的影响。方法 将40只成年雄性SD(Sprague-Dawley)大鼠随机分为假手术组(S组)、缺血再灌注模型组(IR组)、低剂量药物组(L组)、高剂量药物组(H组)。采用全自动生化分析仪检测血清肌酐及尿素氮浓度,ELISA检测肾组织细胞白介素-6(interleukin-6, IL-6)及细胞核因子-κB(nuclear factor κB, NF-κB)浓度,HE染色检测肾脏病理损伤程度,免疫组化检测肾脏IL-6及NF-κBp65的表达。结果 IR组血清肌酐、尿素氮浓度、胞核NF-κB、胞质IL-6表达均较S组明显升高(P<0.05),L组、H组较IR组血清肌酐、尿素氮浓度及胞核NF-κB、胞质IL-6表达降低(P<0.05),并随着药物剂量增加进一步降低(P<0.05);IR组较S组肾小管损伤重,L组及H组肾小管损伤程度较IR组明显减轻,并随着给予浓度的增加而损伤程度进一步减轻。结论 水飞蓟素可以减轻大鼠IRI,能够抑制细胞质IL-6、细胞核NF-κB表达,并随着给药浓度的增加作用逐渐增强。

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