Objective:To explore the effect of Cassia fistula on collagenⅡ-induced arthritis in rats.Methods:The effect of 250 and 500 mg/kg chloroform and hydroalcoholic extract of Cassia fistula leaf on collagenⅡ-induced arth...Objective:To explore the effect of Cassia fistula on collagenⅡ-induced arthritis in rats.Methods:The effect of 250 and 500 mg/kg chloroform and hydroalcoholic extract of Cassia fistula leaf on collagenⅡ-induced arthritis was investigated by evaluating paw volume,arthritis index,spleen index,and biochemical parameters.Histopathological analysis and docking study were also performed.Results:A dose-dependent reduction in paw volume,arthritic index,and spleen index was observed following oral administration of the chloroform and hydroalcoholic extracts.Treatment with Cassia fistula extracts reduced tumor necrosis factor-α,interleukin(IL)-1β,IL-6,prostaglandin E_(2),aspartate aminotransferase,alanine aminotransferase,total leucocyte count,and erythrocyte sedimentation rate while increasing IL-10 level.In addition,Cassia fistula extracts improved joint architecture,and prevented cartilage and bone destruction.Docking analysis demonstrated that the physcion,1-octacosanol,5,3’,4’-trihydroxy-6-methoxy-7-O-α-Lrhamnopyranosyl-(1,2)-O-β-D-galactopyranoside and scopoletin may be responsible for the anti-arthritic effect of Cassia fistula.Conclusions:Cassia fistula suppresses the progression of collagenⅡ-induced arthritis by lowering the inflammatory factors,decreasing paw volume and arthritic index,and alleviating joint architecture.However,further studies are required to confirm the bioactive molecule responsible for the anti-arthritic potential of Cassia fistula.展开更多
目的建立血清抗Ⅱ型胶原蛋白抗体的ELISA法,探讨其在类风湿关节炎(RA)患者中的应用价值。方法以自提可溶性鸡Ⅱ型胶原蛋白(soluble chicken collagen type Ⅱ,SCCⅡ)作为包被抗原,优化实验条件,建立抗Ⅱ型胶原蛋白抗体间接ELISA法。对12...目的建立血清抗Ⅱ型胶原蛋白抗体的ELISA法,探讨其在类风湿关节炎(RA)患者中的应用价值。方法以自提可溶性鸡Ⅱ型胶原蛋白(soluble chicken collagen type Ⅱ,SCCⅡ)作为包被抗原,优化实验条件,建立抗Ⅱ型胶原蛋白抗体间接ELISA法。对124例RA病人和54例健康人血清抗Ⅱ型胶原蛋白抗体进行检测。结果血清抗Ⅱ型胶原蛋白抗体的检测条件为:SCCⅡ包被浓度为20μg/ml;以含10%羊血清的缓冲液进行封闭、稀释血清和酶标抗体;采用双波长(450nm/630nm)进行测定。RA患者和健康人血清抗Ⅱ型胶原蛋白抗体阳性率分别为19.35%(24/124)和1.85%(1/54),两组有明显的统计学差异(P<0.01)。结论以SCCⅡ为包被抗原检测抗Ⅱ型胶原蛋白抗体可作为判断RA患者病情的一个辅助诊断指标。展开更多
基金supported by the Institute of Pharmaceutical Sciences,Kurukshetra University,Kurukshetra,Haryana,India,and Govt.College of Pharmacy,Rohru,District Shimla,Himachal Pradesh,India。
文摘Objective:To explore the effect of Cassia fistula on collagenⅡ-induced arthritis in rats.Methods:The effect of 250 and 500 mg/kg chloroform and hydroalcoholic extract of Cassia fistula leaf on collagenⅡ-induced arthritis was investigated by evaluating paw volume,arthritis index,spleen index,and biochemical parameters.Histopathological analysis and docking study were also performed.Results:A dose-dependent reduction in paw volume,arthritic index,and spleen index was observed following oral administration of the chloroform and hydroalcoholic extracts.Treatment with Cassia fistula extracts reduced tumor necrosis factor-α,interleukin(IL)-1β,IL-6,prostaglandin E_(2),aspartate aminotransferase,alanine aminotransferase,total leucocyte count,and erythrocyte sedimentation rate while increasing IL-10 level.In addition,Cassia fistula extracts improved joint architecture,and prevented cartilage and bone destruction.Docking analysis demonstrated that the physcion,1-octacosanol,5,3’,4’-trihydroxy-6-methoxy-7-O-α-Lrhamnopyranosyl-(1,2)-O-β-D-galactopyranoside and scopoletin may be responsible for the anti-arthritic effect of Cassia fistula.Conclusions:Cassia fistula suppresses the progression of collagenⅡ-induced arthritis by lowering the inflammatory factors,decreasing paw volume and arthritic index,and alleviating joint architecture.However,further studies are required to confirm the bioactive molecule responsible for the anti-arthritic potential of Cassia fistula.
文摘目的建立血清抗Ⅱ型胶原蛋白抗体的ELISA法,探讨其在类风湿关节炎(RA)患者中的应用价值。方法以自提可溶性鸡Ⅱ型胶原蛋白(soluble chicken collagen type Ⅱ,SCCⅡ)作为包被抗原,优化实验条件,建立抗Ⅱ型胶原蛋白抗体间接ELISA法。对124例RA病人和54例健康人血清抗Ⅱ型胶原蛋白抗体进行检测。结果血清抗Ⅱ型胶原蛋白抗体的检测条件为:SCCⅡ包被浓度为20μg/ml;以含10%羊血清的缓冲液进行封闭、稀释血清和酶标抗体;采用双波长(450nm/630nm)进行测定。RA患者和健康人血清抗Ⅱ型胶原蛋白抗体阳性率分别为19.35%(24/124)和1.85%(1/54),两组有明显的统计学差异(P<0.01)。结论以SCCⅡ为包被抗原检测抗Ⅱ型胶原蛋白抗体可作为判断RA患者病情的一个辅助诊断指标。