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
目的:探讨程序性死亡配体1(Programmed death ligand-1,PD-L1)在系统性红斑狼疮(Systemic lupus erythema-tosus,SLE)患者外周血B细胞上的表达及临床意义。方法:应用流式细胞仪检测51例SLE患者和38例健康对照者外周血CD19+B细胞表面PD-L...目的:探讨程序性死亡配体1(Programmed death ligand-1,PD-L1)在系统性红斑狼疮(Systemic lupus erythema-tosus,SLE)患者外周血B细胞上的表达及临床意义。方法:应用流式细胞仪检测51例SLE患者和38例健康对照者外周血CD19+B细胞表面PD-L1的表达水平,比较SLE稳定组、活动组和健康对照组以及狼疮肾炎组和无狼疮肾炎组之间CD19+B细胞表面PD-L1表达阳性细胞的百分比,并分析其与临床表现及实验室检查数据的相关性。结果:SLE活动组和稳定组CD19+PD-L1+B细胞百分率均低于健康对照组,活动组又低于稳定组,差异均有统计学意义(均P<0.05)。狼疮肾炎患者CD19+PD-L1+B细胞百分率低于无狼疮肾炎患者(P<0.05)。SLE患者CD19+PD-L1+B细胞百分率与SLEDAI评分、尿蛋白定量、呈负相关,与C3呈正相关。SLE患者中抗dsDNA抗体、抗Sm抗体、抗U1snRNP抗体、抗核小体抗体阳性组外周血B细胞PD-L1表达水平均低于对应阴性组,且均有统计学意义(均P<0.05)。结论:SLE患者外周血CD19+B细胞表达PD-L1下降,与病情活动性和抗体产生有很好的相关性。展开更多
【目的】探讨系统性红斑狼疮(SLE)患者外周血单个核细胞(PBMCs)B细胞刺激因子(Blys)基因和蛋白在体外的表达及IL-10对其表达的影响。【方法】梯度密度离心法分离25例系统性红斑狼疮患者和20名女性健康志愿者外周血单个核细胞,分为2组,IL...【目的】探讨系统性红斑狼疮(SLE)患者外周血单个核细胞(PBMCs)B细胞刺激因子(Blys)基因和蛋白在体外的表达及IL-10对其表达的影响。【方法】梯度密度离心法分离25例系统性红斑狼疮患者和20名女性健康志愿者外周血单个核细胞,分为2组,IL-10(100ng/mL)组和培养基组(仅含RPMI1640培养基),分别于培养0、6、12、24、72h离心收集PBMCs,RT-PCR法检测刺激后0～24h细胞Blys mRNA表达,流式细胞仪和直接免疫荧光法检测72h膜结合型Blys蛋白表达。【结果】①系统性红斑狼疮患者外周血单个核细胞Blys mRNA和蛋白表达体外高于健康对照(P<0.001)。②IL-10显著增强健康对照和系统性红斑狼疮患者外周血单个核细胞Blys mRNA表达,12h作用最强(0.487±0.058 vs 0.251±0.050,P<0.001;0.638±0.084 vs 0.392±0.059,P<0.001)。③IL-10显著增强健康对照和系统性红斑狼疮患者外周血单个核细胞膜结合型Blys蛋白表达(FACs,4.53±0.71 vs 3.24±0.57,P<0.001;5.79±0.91 vs 4.55±0.83,P<0.001)。④直接免疫荧光法检测外周血单个核细胞膜结合型Blys蛋白显示,IL-10刺激后Blys表达增强。【结论】IL-10可上调系统性红斑狼疮患者外周血单个核细胞Blys基因和蛋白表达。展开更多
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.
文摘目的:探讨程序性死亡配体1(Programmed death ligand-1,PD-L1)在系统性红斑狼疮(Systemic lupus erythema-tosus,SLE)患者外周血B细胞上的表达及临床意义。方法:应用流式细胞仪检测51例SLE患者和38例健康对照者外周血CD19+B细胞表面PD-L1的表达水平,比较SLE稳定组、活动组和健康对照组以及狼疮肾炎组和无狼疮肾炎组之间CD19+B细胞表面PD-L1表达阳性细胞的百分比,并分析其与临床表现及实验室检查数据的相关性。结果:SLE活动组和稳定组CD19+PD-L1+B细胞百分率均低于健康对照组,活动组又低于稳定组,差异均有统计学意义(均P<0.05)。狼疮肾炎患者CD19+PD-L1+B细胞百分率低于无狼疮肾炎患者(P<0.05)。SLE患者CD19+PD-L1+B细胞百分率与SLEDAI评分、尿蛋白定量、呈负相关,与C3呈正相关。SLE患者中抗dsDNA抗体、抗Sm抗体、抗U1snRNP抗体、抗核小体抗体阳性组外周血B细胞PD-L1表达水平均低于对应阴性组,且均有统计学意义(均P<0.05)。结论:SLE患者外周血CD19+B细胞表达PD-L1下降,与病情活动性和抗体产生有很好的相关性。
文摘【目的】探讨系统性红斑狼疮(SLE)患者外周血单个核细胞(PBMCs)B细胞刺激因子(Blys)基因和蛋白在体外的表达及IL-10对其表达的影响。【方法】梯度密度离心法分离25例系统性红斑狼疮患者和20名女性健康志愿者外周血单个核细胞,分为2组,IL-10(100ng/mL)组和培养基组(仅含RPMI1640培养基),分别于培养0、6、12、24、72h离心收集PBMCs,RT-PCR法检测刺激后0～24h细胞Blys mRNA表达,流式细胞仪和直接免疫荧光法检测72h膜结合型Blys蛋白表达。【结果】①系统性红斑狼疮患者外周血单个核细胞Blys mRNA和蛋白表达体外高于健康对照(P<0.001)。②IL-10显著增强健康对照和系统性红斑狼疮患者外周血单个核细胞Blys mRNA表达,12h作用最强(0.487±0.058 vs 0.251±0.050,P<0.001;0.638±0.084 vs 0.392±0.059,P<0.001)。③IL-10显著增强健康对照和系统性红斑狼疮患者外周血单个核细胞膜结合型Blys蛋白表达(FACs,4.53±0.71 vs 3.24±0.57,P<0.001;5.79±0.91 vs 4.55±0.83,P<0.001)。④直接免疫荧光法检测外周血单个核细胞膜结合型Blys蛋白显示,IL-10刺激后Blys表达增强。【结论】IL-10可上调系统性红斑狼疮患者外周血单个核细胞Blys基因和蛋白表达。
