目的:建立Pristane诱导的BALB/c小鼠系统性红斑狼疮(SLE)模型。方法:雌性BALB/c小鼠随机分成2组,模型组单次腹腔注射0.5 ml Pristane,对照组注射等量的0.9%氯化钠注射液,注射前及注射后每月ELISA法检测血清抗dsDNA抗体和抗Sm/RNP抗体含...目的:建立Pristane诱导的BALB/c小鼠系统性红斑狼疮(SLE)模型。方法:雌性BALB/c小鼠随机分成2组,模型组单次腹腔注射0.5 ml Pristane,对照组注射等量的0.9%氯化钠注射液,注射前及注射后每月ELISA法检测血清抗dsDNA抗体和抗Sm/RNP抗体含量,Albustix试纸法检测尿蛋白含量,每月定期观察小鼠症状和体征。6个月后处死全部小鼠后解剖,肉眼观察腹腔脏器组织病变,并取病变组织及肾脏做病理学检查,观察其组织病理变化(HE染色法)及肾脏免疫复合物(IC)沉积情况(直接荧光染色法)。结果:模型组小鼠造模2个月后,血清抗Sm/RNP抗体和抗dsDNA抗体开始出现,并逐月增高,与同期对照组小鼠比较,3～6个月时血清抗Sm/RNP抗体和4～6个月时血清抗dsDNA抗体均明显增高(P<0.01),且血清抗Sm/RNP抗体的增高较抗dsDNA抗体更为显著;尿蛋白(≥+)于造模后3个月时开始出现,6个月时显著高于对照组小鼠(P<0.01);3个月时模型组小鼠开始出现关节病变,6个月时其阳性率达55%,明显高于对照组小鼠(P=0.004)。6个月后处死动物,解剖发现模型组大多数小鼠腹腔可见多少不等的脂肪肉芽肿结节;肾脏病理检查>50%的模型组小鼠出现不同程度肾小球肾炎病变伴毛细血管壁大量IC沉积。对照组除1只小鼠在造模6个月时出现轻度蛋白尿(+)外,未见其他病变。结论:Pristane能成功诱发BALB/c小鼠SLE,且建立的SLE模型稳定可靠。展开更多
OBJECTIVE To investigate the effects of salvianolic acid A(SAA)in systemic lupus erythematosus(SLE)induced by pristane in BALB/c mice,this study was performed.METHODS Lupus mice were established by confirming elevated...OBJECTIVE To investigate the effects of salvianolic acid A(SAA)in systemic lupus erythematosus(SLE)induced by pristane in BALB/c mice,this study was performed.METHODS Lupus mice were established by confirming elevated levels of autoantibodies and IL-6 after intraperitoneal injection of pristane.Micewere then treated with daily oral doses of SAA for 5months in parallel with mice treated with prednisone and aspirin as positive controls.The levels of autoantibodies were monitored at monthly intervals and nephritic symptoms observed by hematoxylin and eosin(H&E)and periodic acid-Schiff(PAS)staining.Western blot analysis of renal tissue was also employed.RESULTS SAA treatment caused a significant reduction in the levels of anti-Sm autoantibodies and reduced renal histopathological changes and pathological effects.SAA treatment also significantly inhibited the phosphorylation of IKK,IκB and NFκB in renal tissues of lupus mice.CONCLUSION The results suggest that SAA alleviates renal injury in pristane-induced SLE in BALB/c mice through inhibition of phosphorylation of IKK,IκB and NFκB.展开更多
The purpose of this study was to investigate the effects of salvianolic acid A(SAA) in systemic lupus erythematosus(SLE) induced by pristane in BALB/c mice.Lupus mice were established by confirming elevated levels of ...The purpose of this study was to investigate the effects of salvianolic acid A(SAA) in systemic lupus erythematosus(SLE) induced by pristane in BALB/c mice.Lupus mice were established by confirming elevated levels of autoantibodies and IL-6 after intraperitoneal injection of pristane.Mice were then treated with daily oral doses of SAA for 5 months in parallel with mice treated with prednisone and aspirin as positive controls.The levels of autoantibodies were monitored at monthly intervals and nephritic symptoms observed by hematoxylin and eosin(H&E) and periodic acid-Schiff(PAS) staining.Western blot analysis of renal tissue was also employed.SAA treatment caused a significant reduction in the levels of anti-Sm autoantibodies and reduced renal histopathological changes and pathological effects.SAA treatment also significantly inhibited the phosphorylation of IKK,IκB and NFκB in renal tissues of lupus mice.In conclusion,the results suggest that SAA alleviates renal injury in pristane-induced SLE in BALB/c mice through inhibition of phosphorylation of IKK,IκB and NFκB.展开更多
文摘目的:建立Pristane诱导的BALB/c小鼠系统性红斑狼疮(SLE)模型。方法:雌性BALB/c小鼠随机分成2组,模型组单次腹腔注射0.5 ml Pristane,对照组注射等量的0.9%氯化钠注射液,注射前及注射后每月ELISA法检测血清抗dsDNA抗体和抗Sm/RNP抗体含量,Albustix试纸法检测尿蛋白含量,每月定期观察小鼠症状和体征。6个月后处死全部小鼠后解剖,肉眼观察腹腔脏器组织病变,并取病变组织及肾脏做病理学检查,观察其组织病理变化(HE染色法)及肾脏免疫复合物(IC)沉积情况(直接荧光染色法)。结果:模型组小鼠造模2个月后,血清抗Sm/RNP抗体和抗dsDNA抗体开始出现,并逐月增高,与同期对照组小鼠比较,3～6个月时血清抗Sm/RNP抗体和4～6个月时血清抗dsDNA抗体均明显增高(P<0.01),且血清抗Sm/RNP抗体的增高较抗dsDNA抗体更为显著;尿蛋白(≥+)于造模后3个月时开始出现,6个月时显著高于对照组小鼠(P<0.01);3个月时模型组小鼠开始出现关节病变,6个月时其阳性率达55%,明显高于对照组小鼠(P=0.004)。6个月后处死动物,解剖发现模型组大多数小鼠腹腔可见多少不等的脂肪肉芽肿结节;肾脏病理检查>50%的模型组小鼠出现不同程度肾小球肾炎病变伴毛细血管壁大量IC沉积。对照组除1只小鼠在造模6个月时出现轻度蛋白尿(+)外,未见其他病变。结论:Pristane能成功诱发BALB/c小鼠SLE,且建立的SLE模型稳定可靠。
基金The project supported by National Natural Science Foundation of China(81573645,81673422)
文摘OBJECTIVE To investigate the effects of salvianolic acid A(SAA)in systemic lupus erythematosus(SLE)induced by pristane in BALB/c mice,this study was performed.METHODS Lupus mice were established by confirming elevated levels of autoantibodies and IL-6 after intraperitoneal injection of pristane.Micewere then treated with daily oral doses of SAA for 5months in parallel with mice treated with prednisone and aspirin as positive controls.The levels of autoantibodies were monitored at monthly intervals and nephritic symptoms observed by hematoxylin and eosin(H&E)and periodic acid-Schiff(PAS)staining.Western blot analysis of renal tissue was also employed.RESULTS SAA treatment caused a significant reduction in the levels of anti-Sm autoantibodies and reduced renal histopathological changes and pathological effects.SAA treatment also significantly inhibited the phosphorylation of IKK,IκB and NFκB in renal tissues of lupus mice.CONCLUSION The results suggest that SAA alleviates renal injury in pristane-induced SLE in BALB/c mice through inhibition of phosphorylation of IKK,IκB and NFκB.
基金supported by the National Natural Science Foundation of China(Nos.81573645 and 81473383)National Scientific&Technological Major Special Project“Significant Creation of New Drugs”(Nos.2013ZX09103001-008,2012ZX09103101-078 and2013ZX09508104)
文摘The purpose of this study was to investigate the effects of salvianolic acid A(SAA) in systemic lupus erythematosus(SLE) induced by pristane in BALB/c mice.Lupus mice were established by confirming elevated levels of autoantibodies and IL-6 after intraperitoneal injection of pristane.Mice were then treated with daily oral doses of SAA for 5 months in parallel with mice treated with prednisone and aspirin as positive controls.The levels of autoantibodies were monitored at monthly intervals and nephritic symptoms observed by hematoxylin and eosin(H&E) and periodic acid-Schiff(PAS) staining.Western blot analysis of renal tissue was also employed.SAA treatment caused a significant reduction in the levels of anti-Sm autoantibodies and reduced renal histopathological changes and pathological effects.SAA treatment also significantly inhibited the phosphorylation of IKK,IκB and NFκB in renal tissues of lupus mice.In conclusion,the results suggest that SAA alleviates renal injury in pristane-induced SLE in BALB/c mice through inhibition of phosphorylation of IKK,IκB and NFκB.
