OBJECTIVE This work aimed to investigate the anti-rheumatoid arthritic effect of gentio.picroside from Gentiana macrophylla Pall using an animal model of adjuvant induced arthritis.METH.ODS Adjuvant arthritis was indu...OBJECTIVE This work aimed to investigate the anti-rheumatoid arthritic effect of gentio.picroside from Gentiana macrophylla Pall using an animal model of adjuvant induced arthritis.METH.ODS Adjuvant arthritis was induced in fifty SD male rats,which were randomly divided into five groups(n=10):control(0.5% CMC-Na) group,AIA(rats with CFA) group,dexamethasone(1 mg·kg^(-1)) group,gentiopicroside(50 mg·kg^(-1)) group,and gentiopicroside(100 mg·kg^(-1)) group.Rats were administered intragastrically with drugs or CMC-Na once a day for a period of 2 weeks.Paw swelling,arthritic index,histological changes were assessed to evaluate the anti-arthritic effect.Weight growth,spleen and thymus indexes were also investigated in.RESULTS Gentiopicroside at dose of 100 mg·kg^(-1) significantly inhibited the secondary paw swelling(P<0.05) and arthritis index(P<0.05),decreased synovial inflammatory infil.tration,synovial hyperplasia and bone erosion.Furthermore,gentiopicroside showed no immunosup.pressive adverse effects in body weight,index of spleen and thyums compared with dexamethasone administration(P<0.05,P<0.01).CONCLUSION Gentiopicroside possessed anti-arthritic efficacy in AIA rats without immunosuppressive effects.展开更多
OBJECTIVE To investigate the anti-arthritic effect and mechanism of action of ginsenoside Rb1 on adju⁃vant-induced arthritis(AIA)in rats.METHODS Male SD rats were received 0.1 mL injections of FCA(10 g·L^-1)emuls...OBJECTIVE To investigate the anti-arthritic effect and mechanism of action of ginsenoside Rb1 on adju⁃vant-induced arthritis(AIA)in rats.METHODS Male SD rats were received 0.1 mL injections of FCA(10 g·L^-1)emulsion into the right hind metatarsal foot pad for arthritis induction.After that,rats were randomly divided into six groups,namely control group,untreated group,dexamethasone(DEX,2.5 mg·kg^-1)group,low(5 mg·kg^-1),medium(10 mg·kg^-1)and high(20 mg·kg^-1)doses of ginsenoside Rb1 groups,and treated intraperitoneally at the above dosage once a day for 2 weeks.After treatment,paw swelling and arthritis indexes were evaluated,the thymus and spleen index were calculated as well.HE staining were used to observe the joint histopathology in rats.Rat ELISA kits were used to determinate the TNF-α,IL-1βand IL-6 levels.Western blotting were used to detect the related protein expression of NF-κB signaling pathway in the tissues of inflamed joints.RESULTS Rb1 significantly decreased the paw swelling and arthritis index,Compared with AIA group.HE staining results revealed that medium and high doses of Rb1 significantly reduced synovial inflammatory cell infiltration,synovial lining hyperplasia and bone destruction,compared with AIA group.Elisa results showed that Rb1 significantly decreased the TNF-α,IL-1β and IL-6 levels(P<0.05,P<0.01).Western blotting results revealed that the expression of p-IκB and p-P65 were significantly reduced in 20 mg·kg^-1 of Rb1 group,compared with AIA group(P<0.05,P<0.01).CONCIUSION Rb1 manifests therapeutic anti-inflammatory effects on rats with AIA,poten⁃tially through a mechanism of inhibiting activation of the NF-κB.展开更多
OBJECTIVE To investigate berberine(BBR)attenuates arthritis in adjuvant-induced arthritic(AA)rats associated with regulating the energy metabolism and correcting the polarization of macrophages through activation of A...OBJECTIVE To investigate berberine(BBR)attenuates arthritis in adjuvant-induced arthritic(AA)rats associated with regulating the energy metabolism and correcting the polarization of macrophages through activation of AMP-activated protein kinase(AMPK)and inhibition of hypoxia inducible factor 1α(HIF-1α).METHODS AA rats were treated with BBR(40,80,or 160 mg·kg-1)from days 15 to 29 after immunization.The histopathology of ankle joint was examined through hematoxylin-eosin(HE)staining.The concentrations of tumour necrosis factor-α(TNF-α),interleukin-6(IL-6),IL-1β,IL-2,IL-17A,interferon-gamma(IFN-γ),monocyte chemotactic protein 1(MCP-1),IL-4,IL-10,transforming growth factor-β1(TGF-β1),ATP,and lactic acid were measured by using ELISA kits.The percentage of M1 and M2 macro⁃phage cells in joint tissues were evaluated by immune-fluorescence.The expressions of p-AMPK and HIF-1αin joint of AA rats were determined according to immunohistochemistry analysis.The migration of macrophage was detected by Transwell assays.The expression of inducible nitric oxide synthase(iNOS),Arginase-1(Arg1),p-AMPK,AMPK and HIF-1αwere examined by Western blotting.The labeled macrophages were observed with laser confocal microscopy.RESULTS BBR relieved signs and symptoms of AA rats and reversed pathological changes.BBR treatment group exhibited decreases in pro-inflammatory cytokines(TNF-α,IL-1β,IL-6,IL-2,IL-17A,IFN-γ,and MCP-1)coupled with increases anti-inflammatory cytokines(IL-4,IL-10,TGF-β1)in the serum.The number of M1 macrophage was reduced,while the number of M2 macrophage was increased in BBR group joint tissues.Moreover,BBR showed marked up-regu⁃lation the expression of p-AMPK and down-regulation the expression of HIF-1αin joint of AA rats.Next in vitro study,we found BBR up-regulated the expression of p-AMPK,Arg1(M2 marker)and down-regulated the expression of HIF-1α,iNOS(M1 marker)induced by LPS in peritoneal macrophages from normal SD rat.Furthermore,BBR treatment inhibited the migration of macrophages stimulated by LPS.The level of ATP was elevated and lactic acid was reduced in LPSinduced macrophages after treated by BBR.However,Compound C significantly attenuated the effects of BBR on acti⁃vated macrophages.CONCLUSION BBR alleviates inflammation by regulating energy metabolism and correcting the polarization of macrophage through AMPK-HIF-1αpathway.BBR might have great therapeutic value for RA.展开更多
为探究程氏蠲痹汤(Cheng Shi Juan Bi Tang,CSJBT)对佐剂性关节炎(adjuvant arthritis,AA)大鼠体内氧化应激的影响,文章选用弗氏完全佐剂(complete Freund’s adjuvant,CFA)诱导SD大鼠建立关节炎模型。动物随机分为正常组、模型组、雷...为探究程氏蠲痹汤(Cheng Shi Juan Bi Tang,CSJBT)对佐剂性关节炎(adjuvant arthritis,AA)大鼠体内氧化应激的影响,文章选用弗氏完全佐剂(complete Freund’s adjuvant,CFA)诱导SD大鼠建立关节炎模型。动物随机分为正常组、模型组、雷公藤多苷组(glycosides of Tripterygium wilfordii,GTW)(剂量0.01 g/kg)和CSJBT组(剂量分别为2.55、5.10、10.20 g/kg)。大鼠在造模后的第15天灌胃给药,连续治疗2周后,考察CSJBT对AA大鼠足爪肿胀度、体质量及氧化应激相关指标的影响,并采用HE染色法观察其对AA大鼠关节组织病理学变化的影响。结果显示CSJBT可缓解AA大鼠的关节肿胀,增加其体质量,改善关节滑膜组织病理学变化,减少滑膜组织中活性氧(reactive oxygen species,ROS)的产生以及血清中诱导型一氧化氮合酶(inducible nitric oxide synthase,iNOS)和丙二醛(MDA)的水平,而升高超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、谷胱甘肽过氧化物酶(GSH-Px)及谷胱甘肽(GSH)的水平。结果表明CSJBT对AA大鼠体内的氧化应激反应有较好的抑制作用。展开更多
文摘OBJECTIVE This work aimed to investigate the anti-rheumatoid arthritic effect of gentio.picroside from Gentiana macrophylla Pall using an animal model of adjuvant induced arthritis.METH.ODS Adjuvant arthritis was induced in fifty SD male rats,which were randomly divided into five groups(n=10):control(0.5% CMC-Na) group,AIA(rats with CFA) group,dexamethasone(1 mg·kg^(-1)) group,gentiopicroside(50 mg·kg^(-1)) group,and gentiopicroside(100 mg·kg^(-1)) group.Rats were administered intragastrically with drugs or CMC-Na once a day for a period of 2 weeks.Paw swelling,arthritic index,histological changes were assessed to evaluate the anti-arthritic effect.Weight growth,spleen and thymus indexes were also investigated in.RESULTS Gentiopicroside at dose of 100 mg·kg^(-1) significantly inhibited the secondary paw swelling(P<0.05) and arthritis index(P<0.05),decreased synovial inflammatory infil.tration,synovial hyperplasia and bone erosion.Furthermore,gentiopicroside showed no immunosup.pressive adverse effects in body weight,index of spleen and thyums compared with dexamethasone administration(P<0.05,P<0.01).CONCLUSION Gentiopicroside possessed anti-arthritic efficacy in AIA rats without immunosuppressive effects.
文摘OBJECTIVE To investigate the anti-arthritic effect and mechanism of action of ginsenoside Rb1 on adju⁃vant-induced arthritis(AIA)in rats.METHODS Male SD rats were received 0.1 mL injections of FCA(10 g·L^-1)emulsion into the right hind metatarsal foot pad for arthritis induction.After that,rats were randomly divided into six groups,namely control group,untreated group,dexamethasone(DEX,2.5 mg·kg^-1)group,low(5 mg·kg^-1),medium(10 mg·kg^-1)and high(20 mg·kg^-1)doses of ginsenoside Rb1 groups,and treated intraperitoneally at the above dosage once a day for 2 weeks.After treatment,paw swelling and arthritis indexes were evaluated,the thymus and spleen index were calculated as well.HE staining were used to observe the joint histopathology in rats.Rat ELISA kits were used to determinate the TNF-α,IL-1βand IL-6 levels.Western blotting were used to detect the related protein expression of NF-κB signaling pathway in the tissues of inflamed joints.RESULTS Rb1 significantly decreased the paw swelling and arthritis index,Compared with AIA group.HE staining results revealed that medium and high doses of Rb1 significantly reduced synovial inflammatory cell infiltration,synovial lining hyperplasia and bone destruction,compared with AIA group.Elisa results showed that Rb1 significantly decreased the TNF-α,IL-1β and IL-6 levels(P<0.05,P<0.01).Western blotting results revealed that the expression of p-IκB and p-P65 were significantly reduced in 20 mg·kg^-1 of Rb1 group,compared with AIA group(P<0.05,P<0.01).CONCIUSION Rb1 manifests therapeutic anti-inflammatory effects on rats with AIA,poten⁃tially through a mechanism of inhibiting activation of the NF-κB.
基金National Natural Science Foundation of China(81703529)
文摘OBJECTIVE To investigate berberine(BBR)attenuates arthritis in adjuvant-induced arthritic(AA)rats associated with regulating the energy metabolism and correcting the polarization of macrophages through activation of AMP-activated protein kinase(AMPK)and inhibition of hypoxia inducible factor 1α(HIF-1α).METHODS AA rats were treated with BBR(40,80,or 160 mg·kg-1)from days 15 to 29 after immunization.The histopathology of ankle joint was examined through hematoxylin-eosin(HE)staining.The concentrations of tumour necrosis factor-α(TNF-α),interleukin-6(IL-6),IL-1β,IL-2,IL-17A,interferon-gamma(IFN-γ),monocyte chemotactic protein 1(MCP-1),IL-4,IL-10,transforming growth factor-β1(TGF-β1),ATP,and lactic acid were measured by using ELISA kits.The percentage of M1 and M2 macro⁃phage cells in joint tissues were evaluated by immune-fluorescence.The expressions of p-AMPK and HIF-1αin joint of AA rats were determined according to immunohistochemistry analysis.The migration of macrophage was detected by Transwell assays.The expression of inducible nitric oxide synthase(iNOS),Arginase-1(Arg1),p-AMPK,AMPK and HIF-1αwere examined by Western blotting.The labeled macrophages were observed with laser confocal microscopy.RESULTS BBR relieved signs and symptoms of AA rats and reversed pathological changes.BBR treatment group exhibited decreases in pro-inflammatory cytokines(TNF-α,IL-1β,IL-6,IL-2,IL-17A,IFN-γ,and MCP-1)coupled with increases anti-inflammatory cytokines(IL-4,IL-10,TGF-β1)in the serum.The number of M1 macrophage was reduced,while the number of M2 macrophage was increased in BBR group joint tissues.Moreover,BBR showed marked up-regu⁃lation the expression of p-AMPK and down-regulation the expression of HIF-1αin joint of AA rats.Next in vitro study,we found BBR up-regulated the expression of p-AMPK,Arg1(M2 marker)and down-regulated the expression of HIF-1α,iNOS(M1 marker)induced by LPS in peritoneal macrophages from normal SD rat.Furthermore,BBR treatment inhibited the migration of macrophages stimulated by LPS.The level of ATP was elevated and lactic acid was reduced in LPSinduced macrophages after treated by BBR.However,Compound C significantly attenuated the effects of BBR on acti⁃vated macrophages.CONCLUSION BBR alleviates inflammation by regulating energy metabolism and correcting the polarization of macrophage through AMPK-HIF-1αpathway.BBR might have great therapeutic value for RA.
文摘为探究程氏蠲痹汤(Cheng Shi Juan Bi Tang,CSJBT)对佐剂性关节炎(adjuvant arthritis,AA)大鼠体内氧化应激的影响,文章选用弗氏完全佐剂(complete Freund’s adjuvant,CFA)诱导SD大鼠建立关节炎模型。动物随机分为正常组、模型组、雷公藤多苷组(glycosides of Tripterygium wilfordii,GTW)(剂量0.01 g/kg)和CSJBT组(剂量分别为2.55、5.10、10.20 g/kg)。大鼠在造模后的第15天灌胃给药,连续治疗2周后,考察CSJBT对AA大鼠足爪肿胀度、体质量及氧化应激相关指标的影响,并采用HE染色法观察其对AA大鼠关节组织病理学变化的影响。结果显示CSJBT可缓解AA大鼠的关节肿胀,增加其体质量,改善关节滑膜组织病理学变化,减少滑膜组织中活性氧(reactive oxygen species,ROS)的产生以及血清中诱导型一氧化氮合酶(inducible nitric oxide synthase,iNOS)和丙二醛(MDA)的水平,而升高超氧化物歧化酶(SOD)、过氧化氢酶(CAT)、谷胱甘肽过氧化物酶(GSH-Px)及谷胱甘肽(GSH)的水平。结果表明CSJBT对AA大鼠体内的氧化应激反应有较好的抑制作用。
