数理医药学杂志
數理醫藥學雜誌
수리의약학잡지
JOURNAL OF MATHEMATICAL MEDICINE
2014年
3期
271-274
,共4页
肾缺血再灌注损伤%白细胞介素-32%炎症因子%髓过氧化物酶
腎缺血再灌註損傷%白細胞介素-32%炎癥因子%髓過氧化物酶
신결혈재관주손상%백세포개소-32%염증인자%수과양화물매
renal ischemia-reperfusion injury%IL-32%inflammatory factors%myeloperoxidase(MPO)
目的:探讨白细胞介素-32(Interleukin ,IL-32)在大鼠肾缺血再灌注(ischemia-reperfusion injury ,IRI)损伤中的作用及其机制。方法:80只雄性SD大鼠随机分为4组:假手术组(S组,n=20)、缺血再灌注组(I/R组,n=20)、缺血前 IgG 抗体预处理组(IgG+I/R组,n=20)和缺血前IL-32抗体预处理组(Anti-IL-32+I/R组,n=20)。采用夹闭双侧肾蒂30 min 后恢复血供的方法制备肾脏缺血再灌注损伤模型,再灌注3h、6h、12h、24h分别处死大鼠收集血样和肾脏样本,自动生化分析仪测定血清中肌酐(Cr)、尿素氮(BUN)浓度,酶联免疫吸附试验(ELISA)检测大鼠血清IL-32、TNF-α、IL-1β的表达,化学比色法检测肾组织髓过氧化物酶(MPO)的活性。结果:与S组比较:1、血清Cr、BUN 浓度,I/R、IgG+ I/R组均显著升高(P<00.5),Anti-IL-32+ I/R组无显著性差异(P>00.5);2、血清IL-32、TNF-α、IL-1β水平,I/R、IgG+ I/R组均显著升高(P<00.5),Anti-IL-32+ I/R组无显著性差异(P>00.5);3、肾组织 MPO 活性,I/R、IgG+ I/R组显著增强(P<00.5),Anti-IL-32+ I/R组无显著性差异(P>00.5)。结论:IL-32在肾脏缺血再灌注损伤后的大鼠血清中高表达,阻断IL-32能减少炎症因子释放、抑制中性粒细胞聚集,减轻肾功能损害。
目的:探討白細胞介素-32(Interleukin ,IL-32)在大鼠腎缺血再灌註(ischemia-reperfusion injury ,IRI)損傷中的作用及其機製。方法:80隻雄性SD大鼠隨機分為4組:假手術組(S組,n=20)、缺血再灌註組(I/R組,n=20)、缺血前 IgG 抗體預處理組(IgG+I/R組,n=20)和缺血前IL-32抗體預處理組(Anti-IL-32+I/R組,n=20)。採用夾閉雙側腎蒂30 min 後恢複血供的方法製備腎髒缺血再灌註損傷模型,再灌註3h、6h、12h、24h分彆處死大鼠收集血樣和腎髒樣本,自動生化分析儀測定血清中肌酐(Cr)、尿素氮(BUN)濃度,酶聯免疫吸附試驗(ELISA)檢測大鼠血清IL-32、TNF-α、IL-1β的錶達,化學比色法檢測腎組織髓過氧化物酶(MPO)的活性。結果:與S組比較:1、血清Cr、BUN 濃度,I/R、IgG+ I/R組均顯著升高(P<00.5),Anti-IL-32+ I/R組無顯著性差異(P>00.5);2、血清IL-32、TNF-α、IL-1β水平,I/R、IgG+ I/R組均顯著升高(P<00.5),Anti-IL-32+ I/R組無顯著性差異(P>00.5);3、腎組織 MPO 活性,I/R、IgG+ I/R組顯著增彊(P<00.5),Anti-IL-32+ I/R組無顯著性差異(P>00.5)。結論:IL-32在腎髒缺血再灌註損傷後的大鼠血清中高錶達,阻斷IL-32能減少炎癥因子釋放、抑製中性粒細胞聚集,減輕腎功能損害。
목적:탐토백세포개소-32(Interleukin ,IL-32)재대서신결혈재관주(ischemia-reperfusion injury ,IRI)손상중적작용급기궤제。방법:80지웅성SD대서수궤분위4조:가수술조(S조,n=20)、결혈재관주조(I/R조,n=20)、결혈전 IgG 항체예처리조(IgG+I/R조,n=20)화결혈전IL-32항체예처리조(Anti-IL-32+I/R조,n=20)。채용협폐쌍측신체30 min 후회복혈공적방법제비신장결혈재관주손상모형,재관주3h、6h、12h、24h분별처사대서수집혈양화신장양본,자동생화분석의측정혈청중기항(Cr)、뇨소담(BUN)농도,매련면역흡부시험(ELISA)검측대서혈청IL-32、TNF-α、IL-1β적표체,화학비색법검측신조직수과양화물매(MPO)적활성。결과:여S조비교:1、혈청Cr、BUN 농도,I/R、IgG+ I/R조균현저승고(P<00.5),Anti-IL-32+ I/R조무현저성차이(P>00.5);2、혈청IL-32、TNF-α、IL-1β수평,I/R、IgG+ I/R조균현저승고(P<00.5),Anti-IL-32+ I/R조무현저성차이(P>00.5);3、신조직 MPO 활성,I/R、IgG+ I/R조현저증강(P<00.5),Anti-IL-32+ I/R조무현저성차이(P>00.5)。결론:IL-32재신장결혈재관주손상후적대서혈청중고표체,조단IL-32능감소염증인자석방、억제중성립세포취집,감경신공능손해。
Objective:To investigate the effect of IL-32 on renal ischemia-reperfusion injury and its mech-anism in rats .Methods :Eighty male SD rats were randomly divided into 4 groups :Sham group(S group ,n=20) ,renal IRI group(I/R group ,n=20) ,IgG preconditioning before ischemia group (IgG+I/R group ,n=20) and Anti-IL-32 preconditioning before ischemia group (Anti-IL-32+I/R group ,n=20) .Both renal pedicales of rats were clamped for 30 minutes to make the animal models of renal ischemia-reperfusion injury ,then re-moved the clamps 3.h ,6h ,12h ,24h after renal reperfusion ,the plasma and kidneys were collected for detec-ting the serum creatinine ,BUN level by auto biochemical analysis ,IL-32 ,TNF-αand IL-1βexpression in se-rum by ELISA assay ,activity of myeloperoxidase in kidney tissues by chemical chromatometry .Results :The levels of serum Cr and BUN in I/R group and IgG+I/R group were significantly higher than S group (P<0 0.5) ,but there is no significant difference between Anti-IL-32+I/R group and S group(P>0 0.5) .Similar-ly ,The levels of IL-32 ,TNF-αand IL-1βin I/R and IgG+I/R group were significantly higher than S group (P<0 0.5) ,but there is no significant difference between Anti-IL-32+ I/R group and S group(P>0 .05) . The activity of MPO reduced significantly (P<0 0.5) .Conclusions :IL-32 is highly expressed in serum and kidney on renal ischemia-reperfusion injury .Blockages of IL-32 could decrease the level of inflammatory ,in-hibit the movement of neutrophils ,and reduce the renal histopathologic damage .