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
BACKGROUND Antinuclear antibodies(ANAs)are crucial in diagnosing autoimmune diseases,mainly systemic lupus erythematosus(SLE).This study aimed to compare the performance of chemiluminescence assay(CLIA)and line immuno...BACKGROUND Antinuclear antibodies(ANAs)are crucial in diagnosing autoimmune diseases,mainly systemic lupus erythematosus(SLE).This study aimed to compare the performance of chemiluminescence assay(CLIA)and line immunoassay(LIA)in detecting ANAs in patients with autoimmune diseases,evaluate their diagnostic accuracy for SLE,and develop a novel diagnostic model using CLIA-detected antibodies for SLE.Specimens from patients with autoimmune diseases and physical examination specimens were collected to parallel detect specific antibodies.Individual antibodies'diagnostic performance and a model combining multiple antibodies were assessed.The findings provide valuable insights into improving the diagnosis of SLE through innovative approaches.AIM To compare the performance of CLIA and LIA in detecting ANAs in patients with autoimmune diseases,assess their accuracy for SLE,and develop a novel diagnostic model using CLIA-detected antibodies for SLE.METHODS Specimens have been obtained from 270 patients with clinically diagnosed autoimmune disorders,as well as 130 physical examination specimens.After that,parallel detection of anti-double-stranded DNA(dsDNA)antibody,anti-histone(Histone)antibody,anti-nucleosome(Nuc)antibody,anti-Smith(Sm)antibody,anti-ribosomal P protein(Rib-P)antibody,anti-sicca syndrome A(Ro60)antibody,anti-sicca syndrome A(Ro52)antibody,anti-sicca syndrome(SSB)antibody,anticentromere protein B(Cenp-B)antibody,anti-DNA topoisomerase 1(Scl-70)antibody,anti-histidyl tRNA synthetase(Jo-1)antibody,and anti-mitochondrial M2(AMA-M2)antibody was performed using CLIA and LIA.The detection rates,compliance rates,and diagnostic performance for SLE were compared between the two methodologies,followed by developing a novel diagnostic model for SLE.RESULTS CLIA and LIA exhibited essentially comparable detection rates for anti-dsDNA antibody,anti-Histone antibody,anti-Nuc antibody,anti-Sm antibody,anti-Rib-P antibody,anti-Ro60 antibody,anti-Ro52 antibody,anti-SSB antibody,anti-Cenp-B antibody,anti-DNAScl-70 antibody,anti-Jo-1 antibody and anti-AMA-M2 antibody(P>0.05).The two methods displayed identical results for the detection of anti-dsDNA antibody,anti-Histone antibody,anti-Nuc antibody,anti-Sm antibody,anti-Ro60 antibody,anti-Ro52 antibody,anti-SSB antibody,anti-Cenp-B antibody,anti-Scl-70 antibody,and anti-AMA-M2 antibody(Kappa>0.7,P<0.05),but showed a moderate agreement for the detection of anti-Rib-P antibody and anti-Jo-1 antibody(Kappa=0.671 and 0.665;P<0.05).In addition,the diagnostic performance of these antibodies detected by both methods was similar for SLE.The diagnostic model's area under the curve values,sensitivity,and specificity,including an anti-dsDNA antibody and an anti-Ro60 antibody detected by CLIA,were 0.997,0.962,and 0.978,respectively.These values were higher than the diagnostic performance of individual antibodies.CONCLUSION CLIA and LIA demonstrated excellent overall consistency in detecting ANA profiles.A diagnostic model based on CLIA-detected antibodies can successfully contribute to developing a novel technique for detecting SLE.展开更多
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 observe the effect of the cyclophosphamide(CTX) on systemic lupus erythematosus mice by fluorescent quantitative polymerase chain reaction.Methods:(BALB/c C57BL/J6) Fl hybrid mice were used as recipients ...Objective:To observe the effect of the cyclophosphamide(CTX) on systemic lupus erythematosus mice by fluorescent quantitative polymerase chain reaction.Methods:(BALB/c C57BL/J6) Fl hybrid mice were used as recipients of donor lymphocytes which were injected intravenously.Mice were randomly divided into control group and treatment group,serum autoantibody and urinary protein were measured,renal pathological changes and the situation of fungal infection were observed.Results:The reduced urinary protein,ameliorated renal lesions were found in the CTX-treated mice.Candida albicans and Aspergillus Jlants were detected respectively in respiratory tract and gastrointestinal tract.Conclusions:CTX can alleviate lupus nephritis and the fluorescent quantitative PCR is a rapid and sensitive method for the detection of fungal infection.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BACKGROUND Antinuclear antibodies(ANAs)are crucial in diagnosing autoimmune diseases,mainly systemic lupus erythematosus(SLE).This study aimed to compare the performance of chemiluminescence assay(CLIA)and line immunoassay(LIA)in detecting ANAs in patients with autoimmune diseases,evaluate their diagnostic accuracy for SLE,and develop a novel diagnostic model using CLIA-detected antibodies for SLE.Specimens from patients with autoimmune diseases and physical examination specimens were collected to parallel detect specific antibodies.Individual antibodies'diagnostic performance and a model combining multiple antibodies were assessed.The findings provide valuable insights into improving the diagnosis of SLE through innovative approaches.AIM To compare the performance of CLIA and LIA in detecting ANAs in patients with autoimmune diseases,assess their accuracy for SLE,and develop a novel diagnostic model using CLIA-detected antibodies for SLE.METHODS Specimens have been obtained from 270 patients with clinically diagnosed autoimmune disorders,as well as 130 physical examination specimens.After that,parallel detection of anti-double-stranded DNA(dsDNA)antibody,anti-histone(Histone)antibody,anti-nucleosome(Nuc)antibody,anti-Smith(Sm)antibody,anti-ribosomal P protein(Rib-P)antibody,anti-sicca syndrome A(Ro60)antibody,anti-sicca syndrome A(Ro52)antibody,anti-sicca syndrome(SSB)antibody,anticentromere protein B(Cenp-B)antibody,anti-DNA topoisomerase 1(Scl-70)antibody,anti-histidyl tRNA synthetase(Jo-1)antibody,and anti-mitochondrial M2(AMA-M2)antibody was performed using CLIA and LIA.The detection rates,compliance rates,and diagnostic performance for SLE were compared between the two methodologies,followed by developing a novel diagnostic model for SLE.RESULTS CLIA and LIA exhibited essentially comparable detection rates for anti-dsDNA antibody,anti-Histone antibody,anti-Nuc antibody,anti-Sm antibody,anti-Rib-P antibody,anti-Ro60 antibody,anti-Ro52 antibody,anti-SSB antibody,anti-Cenp-B antibody,anti-DNAScl-70 antibody,anti-Jo-1 antibody and anti-AMA-M2 antibody(P>0.05).The two methods displayed identical results for the detection of anti-dsDNA antibody,anti-Histone antibody,anti-Nuc antibody,anti-Sm antibody,anti-Ro60 antibody,anti-Ro52 antibody,anti-SSB antibody,anti-Cenp-B antibody,anti-Scl-70 antibody,and anti-AMA-M2 antibody(Kappa>0.7,P<0.05),but showed a moderate agreement for the detection of anti-Rib-P antibody and anti-Jo-1 antibody(Kappa=0.671 and 0.665;P<0.05).In addition,the diagnostic performance of these antibodies detected by both methods was similar for SLE.The diagnostic model's area under the curve values,sensitivity,and specificity,including an anti-dsDNA antibody and an anti-Ro60 antibody detected by CLIA,were 0.997,0.962,and 0.978,respectively.These values were higher than the diagnostic performance of individual antibodies.CONCLUSION CLIA and LIA demonstrated excellent overall consistency in detecting ANA profiles.A diagnostic model based on CLIA-detected antibodies can successfully contribute to developing a novel technique for detecting SLE.
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supported by Department of Science&Technology of Shandong Province.Topic No.2011YD18044
文摘Objective:To observe the effect of the cyclophosphamide(CTX) on systemic lupus erythematosus mice by fluorescent quantitative polymerase chain reaction.Methods:(BALB/c C57BL/J6) Fl hybrid mice were used as recipients of donor lymphocytes which were injected intravenously.Mice were randomly divided into control group and treatment group,serum autoantibody and urinary protein were measured,renal pathological changes and the situation of fungal infection were observed.Results:The reduced urinary protein,ameliorated renal lesions were found in the CTX-treated mice.Candida albicans and Aspergillus Jlants were detected respectively in respiratory tract and gastrointestinal tract.Conclusions:CTX can alleviate lupus nephritis and the fluorescent quantitative PCR is a rapid and sensitive method for the detection of fungal infection.