目的探讨虎杖对湿热证2型糖尿病患者的临床疗效。方法140例患者随机分为对照组和观察组,每组70例,对照组给予常规治疗,观察组在对照组基础上加用虎杖颗粒,疗程8周。检测体质量、BMI、血糖指标(FBG、2 h PG、HbA_(1C)、GA)、血脂指标(TC...目的探讨虎杖对湿热证2型糖尿病患者的临床疗效。方法140例患者随机分为对照组和观察组,每组70例,对照组给予常规治疗,观察组在对照组基础上加用虎杖颗粒,疗程8周。检测体质量、BMI、血糖指标(FBG、2 h PG、HbA_(1C)、GA)、血脂指标(TC、TG、HDL-C、LDL-C、ApoA-I、ApoB、ApoA、ApoE、sdLDL-C)、肝功能指标(ALT、AST)、脂肪肝程度、TyG、HSI、中医证候评分和疗效变化。结果观察组中医证候总有效率高于对照组(P<0.01),脂肪肝程度更轻(P<0.01)。治疗后,观察组体质量、BMI、FBG、GA、TG、ApoE、TyG、HSI、ALT、中医证候评分降低(P<0.05,P<0.01),并且2 h PG、TyG、HSI、ALT、中医证候评分低于对照组(P<0.05,P<0.01)。结论虎杖可改善湿热证2型糖尿病患者糖脂代谢紊乱,值得临床推广应用。展开更多
Objective:To investigate apoptotic effects of berberine,a significant alkaloids component existing in Rhizoma coptidis,and its possible acting mechanism in insulinoma cells.Methods:Different concentrations of berberin...Objective:To investigate apoptotic effects of berberine,a significant alkaloids component existing in Rhizoma coptidis,and its possible acting mechanism in insulinoma cells.Methods:Different concentrations of berberine were used to treat mouse insulinoma(MIN6)cells for various period of time.The viability and apoptosis of the cells were analyzed using methylthiazolyldiphenvl-tetrazolium bromide assay,flow cytometry and enzyme-linked immuno sorbent assay.Changes in the relating pro-and anti-apoptosis proteins were detected by western-blotting.Results:The half-maximal inhibitory concentration(IC50)of berberine was 5.7μmol/L on MIN6 cells viability for 16 h.Berberine caused a 20%reduction(P<0.05)in cell number after only 4-h incubation;which reached 50%after 24 h(P<0.01).Berberine treatment for 16 h significantly increased the level of DNA fragmentation.The flow cytometry showed the apoptotic rate increased 2.9-and 4.6-fold after treating with berberine(5μmol/L)for 8 and 16 h,while 3-and 8.7-fold after 10μmol/L treatment for 8 and 16 h(P<0.01).Berberine treatment dramatically elevated the expression ratio of Bax to Bcl-2.Meanwhile,berberine notably increased the apoptosis-inducing factors and cytochrome C transforming from the mitochondria to the cytoplasm.Apoptotic protease-activating factor 1(Apaf-1)was subsequently activated after cytochrome C release.Furthermore,caspase-3 and poly adenosine diphosphate-ribose polymerase were also activated to trigger apoptosis cascade.Conclusion:High concentration(5 and 10μmol/L)of berberine could induce the apoptosis of MIN6 cells through cytochrome C/Apaf-1/caspase-3 and apoptosis inducing factor(AIF)pathway.展开更多
文摘目的探讨虎杖对湿热证2型糖尿病患者的临床疗效。方法140例患者随机分为对照组和观察组,每组70例,对照组给予常规治疗,观察组在对照组基础上加用虎杖颗粒,疗程8周。检测体质量、BMI、血糖指标(FBG、2 h PG、HbA_(1C)、GA)、血脂指标(TC、TG、HDL-C、LDL-C、ApoA-I、ApoB、ApoA、ApoE、sdLDL-C)、肝功能指标(ALT、AST)、脂肪肝程度、TyG、HSI、中医证候评分和疗效变化。结果观察组中医证候总有效率高于对照组(P<0.01),脂肪肝程度更轻(P<0.01)。治疗后,观察组体质量、BMI、FBG、GA、TG、ApoE、TyG、HSI、ALT、中医证候评分降低(P<0.05,P<0.01),并且2 h PG、TyG、HSI、ALT、中医证候评分低于对照组(P<0.05,P<0.01)。结论虎杖可改善湿热证2型糖尿病患者糖脂代谢紊乱,值得临床推广应用。
基金Supported by the National Natural Science Foundation of China(No.NSFC81274041 and No.NSFC81273995)the International Cooperation Projects of Ministry of Education(No.2011DFA30920)the Key Drug Development Program of Ministry of Science an Technology(No.20122X09103201-005)
文摘Objective:To investigate apoptotic effects of berberine,a significant alkaloids component existing in Rhizoma coptidis,and its possible acting mechanism in insulinoma cells.Methods:Different concentrations of berberine were used to treat mouse insulinoma(MIN6)cells for various period of time.The viability and apoptosis of the cells were analyzed using methylthiazolyldiphenvl-tetrazolium bromide assay,flow cytometry and enzyme-linked immuno sorbent assay.Changes in the relating pro-and anti-apoptosis proteins were detected by western-blotting.Results:The half-maximal inhibitory concentration(IC50)of berberine was 5.7μmol/L on MIN6 cells viability for 16 h.Berberine caused a 20%reduction(P<0.05)in cell number after only 4-h incubation;which reached 50%after 24 h(P<0.01).Berberine treatment for 16 h significantly increased the level of DNA fragmentation.The flow cytometry showed the apoptotic rate increased 2.9-and 4.6-fold after treating with berberine(5μmol/L)for 8 and 16 h,while 3-and 8.7-fold after 10μmol/L treatment for 8 and 16 h(P<0.01).Berberine treatment dramatically elevated the expression ratio of Bax to Bcl-2.Meanwhile,berberine notably increased the apoptosis-inducing factors and cytochrome C transforming from the mitochondria to the cytoplasm.Apoptotic protease-activating factor 1(Apaf-1)was subsequently activated after cytochrome C release.Furthermore,caspase-3 and poly adenosine diphosphate-ribose polymerase were also activated to trigger apoptosis cascade.Conclusion:High concentration(5 and 10μmol/L)of berberine could induce the apoptosis of MIN6 cells through cytochrome C/Apaf-1/caspase-3 and apoptosis inducing factor(AIF)pathway.