目的通过考察茵栀黄颗粒(茵陈、栀子、金银花和黄芩)对肝细胞膜转运体多药耐药相关蛋白2(Multidrugresistance-associated protein 2,Mrp2/ABCC2)、Na+-牛黄胆酸共转运多肽(Na+/taurocholate cotransporter,Ntcp/SLC10A1)及胆盐输出泵(B...目的通过考察茵栀黄颗粒(茵陈、栀子、金银花和黄芩)对肝细胞膜转运体多药耐药相关蛋白2(Multidrugresistance-associated protein 2,Mrp2/ABCC2)、Na+-牛黄胆酸共转运多肽(Na+/taurocholate cotransporter,Ntcp/SLC10A1)及胆盐输出泵(Bile salt export pump,Bsep/ABCB11)表达的影响。方法胆管结扎术制备胆汁淤积大鼠模型;生化检测和HE染色,观察茵栀黄颗粒的干预效果;流式细胞仪测定肝脏转运体Ntcp、Bsep和Mrp2的表达。结果与模型组相比,茵栀黄组肝细胞的脂肪病变和水肿较模型组显著减轻(P<0.05),Mrp2的表达显著升高(P<0.01);但Ntcp、Bsep的表达无明显变化。结论肝细胞膜转运体Mrp2的表达升高可能是茵栀黄颗粒的退黄利胆分子机制之一。展开更多
OBJECTIVE To determine whether berberine can enhance the antidiabetic effects and alleviate the adverse effects of canagliflozin in diabetes mellitus.METHODS Streptozotocin-induced diabetic mice were introduced,and th...OBJECTIVE To determine whether berberine can enhance the antidiabetic effects and alleviate the adverse effects of canagliflozin in diabetes mellitus.METHODS Streptozotocin-induced diabetic mice were introduced,and the combined effects of berberine and canagliflozin on glucose metabolism and kidney functions were investigated.RESULTS Berberine combined with canagliflozin(BC)increased reduction of fasting and postprandial blood glucose,diet,and water intake compared with berberine or canagliflozin alone.Interestingly,BC showed greater decrease in blood urea nitrogen and creatinine levels and lower total urine glucose excretion than canagliflozin alone.In addition,BC showed increased phosphorylated 5′AMP-activated protein kinase(pA MPK)expression and decreased tumor necrosis factor alpha(TNFα)levels in kidneys compared with berberine or canagliflozin alone.CONCLUSION These results indicated that BC is as tronger antidiabetic than berberine or canagliflozin alone with less negative side effectson the kidneys of diabetic mice.The antidiabetic effect is likely mediated by synergically promoting the expression of p AMPK and reducing the expression of TNFαin kidneys.This study first proved that canagliflozin combined withberberine is apromising treatment for diabetes mellitus.However,the exact mechanisms should be further investigated in future studies.展开更多
钠离子牛磺胆酸共转运多肽(sodium-taurocholate cotransporting polypeptide,NTCP)缺陷病是一种溶质载体家族10成员1(solute carrier family 10 member 1,SLC10A1)双等位基因突变引起的胆汁酸代谢障碍性疾病,分布具有区域和种族差异,其...钠离子牛磺胆酸共转运多肽(sodium-taurocholate cotransporting polypeptide,NTCP)缺陷病是一种溶质载体家族10成员1(solute carrier family 10 member 1,SLC10A1)双等位基因突变引起的胆汁酸代谢障碍性疾病,分布具有区域和种族差异,其中SLC10A1 c.800C>T(p.Ser267Phe)是我国的高频突变。NTCP缺陷病患儿主要表现为病理性黄疸,少部分有生长、运动和神经系统发育迟缓的表现,成年患者临床症状和体征不明显,生化检查提示血清总胆汁酸水平升高、部分伴有转氨酶和25-羟维生素D3水平降低。NTCP缺陷病性高胆汁酸血症需与乙型肝炎病毒感染、丁型肝炎病毒感染、自身免疫性肝炎及妊娠期肝内胆汁淤积症等鉴别,妊娠合并NTCP缺陷病性高胆汁酸血症对母胎的影响迄今少有相关报道。综述NTCP缺陷病的分子遗传机制、临床表现、实验室检查、诊断、治疗及其对母胎的影响,为该病患者的明确诊断和正确干预提供依据。展开更多
糖尿病及心力衰竭是老年人常见病、多发病,由于存在多种共同危险因素,两种疾病常共存,且预后不佳。钠-葡萄糖共转运蛋白2(sodium-glucose cotransport protein 2,SGLT2)抑制剂是一种新型降糖药物,近年大型临床试验证实其不仅可降低血糖...糖尿病及心力衰竭是老年人常见病、多发病,由于存在多种共同危险因素,两种疾病常共存,且预后不佳。钠-葡萄糖共转运蛋白2(sodium-glucose cotransport protein 2,SGLT2)抑制剂是一种新型降糖药物,近年大型临床试验证实其不仅可降低血糖,还具有改善心力衰竭预后、保护肾功能等作用。对于多病共存的老年患者,合理使用此类药物可有效改善疾病预后。综述了SGLT2抑制剂的药理作用、作用机制、适用范围及老年患者用药注意事项等,以期为此类药物合理应用提供参考。展开更多
文摘目的通过考察茵栀黄颗粒(茵陈、栀子、金银花和黄芩)对肝细胞膜转运体多药耐药相关蛋白2(Multidrugresistance-associated protein 2,Mrp2/ABCC2)、Na+-牛黄胆酸共转运多肽(Na+/taurocholate cotransporter,Ntcp/SLC10A1)及胆盐输出泵(Bile salt export pump,Bsep/ABCB11)表达的影响。方法胆管结扎术制备胆汁淤积大鼠模型;生化检测和HE染色,观察茵栀黄颗粒的干预效果;流式细胞仪测定肝脏转运体Ntcp、Bsep和Mrp2的表达。结果与模型组相比,茵栀黄组肝细胞的脂肪病变和水肿较模型组显著减轻(P<0.05),Mrp2的表达显著升高(P<0.01);但Ntcp、Bsep的表达无明显变化。结论肝细胞膜转运体Mrp2的表达升高可能是茵栀黄颗粒的退黄利胆分子机制之一。
基金The project supported by National Natural Science Foundation of China(81373460)by the Natural Science Foundation of Guangdong Province(2014A030313744)
文摘OBJECTIVE To determine whether berberine can enhance the antidiabetic effects and alleviate the adverse effects of canagliflozin in diabetes mellitus.METHODS Streptozotocin-induced diabetic mice were introduced,and the combined effects of berberine and canagliflozin on glucose metabolism and kidney functions were investigated.RESULTS Berberine combined with canagliflozin(BC)increased reduction of fasting and postprandial blood glucose,diet,and water intake compared with berberine or canagliflozin alone.Interestingly,BC showed greater decrease in blood urea nitrogen and creatinine levels and lower total urine glucose excretion than canagliflozin alone.In addition,BC showed increased phosphorylated 5′AMP-activated protein kinase(pA MPK)expression and decreased tumor necrosis factor alpha(TNFα)levels in kidneys compared with berberine or canagliflozin alone.CONCLUSION These results indicated that BC is as tronger antidiabetic than berberine or canagliflozin alone with less negative side effectson the kidneys of diabetic mice.The antidiabetic effect is likely mediated by synergically promoting the expression of p AMPK and reducing the expression of TNFαin kidneys.This study first proved that canagliflozin combined withberberine is apromising treatment for diabetes mellitus.However,the exact mechanisms should be further investigated in future studies.
文摘钠离子牛磺胆酸共转运多肽(sodium-taurocholate cotransporting polypeptide,NTCP)缺陷病是一种溶质载体家族10成员1(solute carrier family 10 member 1,SLC10A1)双等位基因突变引起的胆汁酸代谢障碍性疾病,分布具有区域和种族差异,其中SLC10A1 c.800C>T(p.Ser267Phe)是我国的高频突变。NTCP缺陷病患儿主要表现为病理性黄疸,少部分有生长、运动和神经系统发育迟缓的表现,成年患者临床症状和体征不明显,生化检查提示血清总胆汁酸水平升高、部分伴有转氨酶和25-羟维生素D3水平降低。NTCP缺陷病性高胆汁酸血症需与乙型肝炎病毒感染、丁型肝炎病毒感染、自身免疫性肝炎及妊娠期肝内胆汁淤积症等鉴别,妊娠合并NTCP缺陷病性高胆汁酸血症对母胎的影响迄今少有相关报道。综述NTCP缺陷病的分子遗传机制、临床表现、实验室检查、诊断、治疗及其对母胎的影响,为该病患者的明确诊断和正确干预提供依据。
文摘糖尿病及心力衰竭是老年人常见病、多发病,由于存在多种共同危险因素,两种疾病常共存,且预后不佳。钠-葡萄糖共转运蛋白2(sodium-glucose cotransport protein 2,SGLT2)抑制剂是一种新型降糖药物,近年大型临床试验证实其不仅可降低血糖,还具有改善心力衰竭预后、保护肾功能等作用。对于多病共存的老年患者,合理使用此类药物可有效改善疾病预后。综述了SGLT2抑制剂的药理作用、作用机制、适用范围及老年患者用药注意事项等,以期为此类药物合理应用提供参考。
