Objective:To study the effect of Yigan capsule on the expression of high mobility group protein B1(HMGB1),nuclear factor-B(NF-κB)and receptor for advanced glycation end products(RAGE)in anti-tuberculosis drug-induced...Objective:To study the effect of Yigan capsule on the expression of high mobility group protein B1(HMGB1),nuclear factor-B(NF-κB)and receptor for advanced glycation end products(RAGE)in anti-tuberculosis drug-induced liver injury(ATB-DILI),and to explore its protective effect and mechanism on ATB-DILI,so as to provide experimental basis for the clinical application of Yigan capsule.Methods:Twenty-four rats were divided into two groups.Except for the blank group(n=6),the other 18 rats were given isoniazid(INH)+rifampicin(RFP)(50 mg/kg.d)for 4 weeks.Then 18 rats were randomly divided into three groups(model group,low dose group of Yigan capsule and high dose group of Yigan capsule)according to 6 rats in each group.The blank group and the model group were given 0.9%sodium chloride solution by intragastric administration.The low dose group of Yigan capsule was 0.468 g/kg,and the high dose group of Yigan capsule was 1.872 g/kg[1].After 4 weeks,the pathological changes of liver were observed by HE staining.The contents of ALT,AST,ALP,γ-GT and TBIL were detected.The expression of HMGB1,NF-κBp65 and RAGE protein was detected by IHC.The expression levels of HMGB1,NF-κBp65,RAGE,TNF-αand IL-1βwere detected by WB.Result:HE staining showed that the structure of the liver in the model group was disordered,the liver cells showed swelling and fusion,the number of inflammatory cells increased and accompanied by punctate necrosis,while the above pathological changes in each treatment group of Yigan capsule were significantly improved.The contents of ALT,AST,ALP,γ-GT and TBIL in the model group were higher than those in the blank group(P<0.05).The contents of ALT,AST,ALP,γ-GT and TBIL in each treatment group were significantly lower than those in the model group(P<0.05).Compared with the blank group,the expression levels of TNF-αand IL-1βin the model group were increased(P<0.05),and the expression levels of HMGB1,NF-κBp65 and RAGE were increased(P<0.05).Compared with the model group,the expression levels of TNF-αand IL-1βin each treatment group of Yigan capsule decreased(P<0.05),and the expression of HMGB1,NF-κBp65 and RAGE decreased(P<0.05).Conclusion:Yigan capsule may inhibit the secretion of inflammatory factors through HMGB1/RAGE/NF-κBp65 signaling pathway,thus protecting ATB-DILI.展开更多
目的 :检测高迁徙率族蛋白1(high mobility group protein 1,HMGB1)及其受体晚期糖基化终末产物受体(receptor for advanced glycation end-products,RAGE)在肝内胆管癌组织中的表达;探讨HMGB1/RAGE对肝内胆管癌细胞增殖及上皮-间质细...目的 :检测高迁徙率族蛋白1(high mobility group protein 1,HMGB1)及其受体晚期糖基化终末产物受体(receptor for advanced glycation end-products,RAGE)在肝内胆管癌组织中的表达;探讨HMGB1/RAGE对肝内胆管癌细胞增殖及上皮-间质细胞转化(epithelial-mesenchymal transition,EMT)过程中的作用。方法:免疫组化分析未转移和已转移胆管癌患者标本中HMGB1及RAGE的表达;ELISA法检测胆管癌及胆管结石患者胆汁中HMGB1的含量;CCK8、Transwell检测HMGB1及RAGE抑制剂(FFP-ZM1)对胆管癌细胞增殖、侵袭作用的影响;Western blot检测胆管癌及癌旁组织中p-ERK的表达。结果:HMGB1和RAGE在已转移的胆管癌患者组织标本中高表达,HMGB1可促进胆管癌细胞的EMT过程及胆管癌细胞的生长和侵袭。结论 :HMGB1可参与胆管癌细胞的增殖与EMT过程。展开更多
基金Scientific Research Project of Heilongjiang Provincial Education Department(No.12531608)。
文摘Objective:To study the effect of Yigan capsule on the expression of high mobility group protein B1(HMGB1),nuclear factor-B(NF-κB)and receptor for advanced glycation end products(RAGE)in anti-tuberculosis drug-induced liver injury(ATB-DILI),and to explore its protective effect and mechanism on ATB-DILI,so as to provide experimental basis for the clinical application of Yigan capsule.Methods:Twenty-four rats were divided into two groups.Except for the blank group(n=6),the other 18 rats were given isoniazid(INH)+rifampicin(RFP)(50 mg/kg.d)for 4 weeks.Then 18 rats were randomly divided into three groups(model group,low dose group of Yigan capsule and high dose group of Yigan capsule)according to 6 rats in each group.The blank group and the model group were given 0.9%sodium chloride solution by intragastric administration.The low dose group of Yigan capsule was 0.468 g/kg,and the high dose group of Yigan capsule was 1.872 g/kg[1].After 4 weeks,the pathological changes of liver were observed by HE staining.The contents of ALT,AST,ALP,γ-GT and TBIL were detected.The expression of HMGB1,NF-κBp65 and RAGE protein was detected by IHC.The expression levels of HMGB1,NF-κBp65,RAGE,TNF-αand IL-1βwere detected by WB.Result:HE staining showed that the structure of the liver in the model group was disordered,the liver cells showed swelling and fusion,the number of inflammatory cells increased and accompanied by punctate necrosis,while the above pathological changes in each treatment group of Yigan capsule were significantly improved.The contents of ALT,AST,ALP,γ-GT and TBIL in the model group were higher than those in the blank group(P<0.05).The contents of ALT,AST,ALP,γ-GT and TBIL in each treatment group were significantly lower than those in the model group(P<0.05).Compared with the blank group,the expression levels of TNF-αand IL-1βin the model group were increased(P<0.05),and the expression levels of HMGB1,NF-κBp65 and RAGE were increased(P<0.05).Compared with the model group,the expression levels of TNF-αand IL-1βin each treatment group of Yigan capsule decreased(P<0.05),and the expression of HMGB1,NF-κBp65 and RAGE decreased(P<0.05).Conclusion:Yigan capsule may inhibit the secretion of inflammatory factors through HMGB1/RAGE/NF-κBp65 signaling pathway,thus protecting ATB-DILI.
文摘目的 :检测高迁徙率族蛋白1(high mobility group protein 1,HMGB1)及其受体晚期糖基化终末产物受体(receptor for advanced glycation end-products,RAGE)在肝内胆管癌组织中的表达;探讨HMGB1/RAGE对肝内胆管癌细胞增殖及上皮-间质细胞转化(epithelial-mesenchymal transition,EMT)过程中的作用。方法:免疫组化分析未转移和已转移胆管癌患者标本中HMGB1及RAGE的表达;ELISA法检测胆管癌及胆管结石患者胆汁中HMGB1的含量;CCK8、Transwell检测HMGB1及RAGE抑制剂(FFP-ZM1)对胆管癌细胞增殖、侵袭作用的影响;Western blot检测胆管癌及癌旁组织中p-ERK的表达。结果:HMGB1和RAGE在已转移的胆管癌患者组织标本中高表达,HMGB1可促进胆管癌细胞的EMT过程及胆管癌细胞的生长和侵袭。结论 :HMGB1可参与胆管癌细胞的增殖与EMT过程。