Background:To investigate the mechanism of Xuefu Zhuyu decoction in the treatment of diabetes mellitus erectile dysfunction.Methods:Rats with diabetes mellitus erectile dysfunction were developed using streptozocin an...Background:To investigate the mechanism of Xuefu Zhuyu decoction in the treatment of diabetes mellitus erectile dysfunction.Methods:Rats with diabetes mellitus erectile dysfunction were developed using streptozocin and randomly assigned into model,low-dose herbal,and high-dose herbal groups.All rats were administered normal saline or the corresponding drugs by oral gavage for 4 weeks.The related indices were detected using enzyme-linked immunosorbent assays,immunohistochemistry,western blotting,and transmission electron microscopy.Results:The levels of lectin-like oxidized low-density protein receptor-1,endothelin-1,NADH oxidase,vascular cell adhesion molecule-1,and intercellular adhesion molecule-1 in the model group were significantly higher than they were in the mock group but lower than they were in the herbal treatment group.The level of nitric oxide was lower in the model group than was in the mock group but higher than the level in the herbal treatment group.The calcium-sensitive receptor,phospho-protein kinase Cδ/protein kinase Cδ,phosphorylated c-Jun amino-terminal kinase/c-Jun amino-terminal kinase,and phospho-P38 mitogen-activated protein kinase/P38 mitogen-activated protein kinase expression levels in the model group were higher than were in the mock group but lower than were in the herbal treatment group.The structures of the Corpus cavernosum penis endothelial cells were significantly improved in the herbal treatment group than they did in the model group.Conclusion:Xuefu Zhuyu decoction can decrease injury to the endothelium,improve vascular endothelial diastolic and contractive function,and inhibit vascular fibrosis in rats with diabetes mellitus erectile dysfunction.This mechanism may be related to the CaSR/Gq-PLC-PKC pathway.展开更多
新生儿重症甲状旁腺功能亢进症是一种罕见的危及生命的疾病,在新生儿期表现为严重的高钙血症、甲状旁腺功能亢进和骨质减少。患儿,女,14日龄,生后4天起病,表现为高胆红素血症、纳差、反应差、肌张力低下,严重的高钙血症和甲状旁腺功能...新生儿重症甲状旁腺功能亢进症是一种罕见的危及生命的疾病,在新生儿期表现为严重的高钙血症、甲状旁腺功能亢进和骨质减少。患儿,女,14日龄,生后4天起病,表现为高胆红素血症、纳差、反应差、肌张力低下,严重的高钙血症和甲状旁腺功能亢进。基因检测显示,CASR基因存在未报道过的c.888C > A (p.Ser296Arg)(来源于父亲)、c.1576G > T (p.Glu526Ter)(来源于母亲)复合杂合变异。患儿经多次唑来膦酸静脉滴注,吸吮力、反应及肌张力有好转,血钙开始明显下降但一周后又升高。生后54天患儿行一侧甲状旁腺切除术,血钙有所下降,于生后64天出院。生后17月随访,患儿体格和神经发育迟缓。NSHPT由CASR基因失活变异引起,表现为严重的高钙血症和甲状旁腺功能亢进,伴生长发育迟缓。甲状旁腺全切除术是首选治疗手段,双膦酸盐可能具有一定的疗效。展开更多
目的:观察花旗泽仁对胰岛素抵抗(IR)大鼠肝脏组织中钙敏感受体(Ca SR)mRNA、蛋白表达及蛋白激酶B(AKT)活性的影响,探讨花旗泽仁改善2型糖尿病胰岛素抵抗的作用机制。方法:雄性Wistar大鼠用复合脂肪乳连续灌胃4周配合小剂量注射链脲佐菌...目的:观察花旗泽仁对胰岛素抵抗(IR)大鼠肝脏组织中钙敏感受体(Ca SR)mRNA、蛋白表达及蛋白激酶B(AKT)活性的影响,探讨花旗泽仁改善2型糖尿病胰岛素抵抗的作用机制。方法:雄性Wistar大鼠用复合脂肪乳连续灌胃4周配合小剂量注射链脲佐菌素的方法复制2型糖尿病胰岛素抵抗模型,将大鼠随机分为花旗泽仁组、阳性对照组、模型对照组、空白对照组。检测空腹血糖(FBG)及空腹血清胰岛素(FINS),并计算胰岛素敏感指数(ISI);采用qRT-PCR、Western blot技术检测Ca SR mRNA、Ca SR蛋白、磷酸化AKT(Ser473和Thr308)蛋白表达水平。结果:与空白对照组比较,模型对照组组大鼠FBG及FINS水平明显增高,ISI显著降低;与模型对照组相比,花旗泽仁组和阳性对照组大鼠FBG和FINS水平明显降低,ISI明显升高;与空白对照组比较,模型对照组大鼠肝脏组织中Ca SR mRNA表达水平明显降低;与模型对照组相比,花旗泽仁组和阳性对照组大鼠肝脏组织中Ca SR mRNA表达水平显著增高;与空白对照组比较,模型组大鼠肝脏组织中Ca SR蛋白、磷酸化AKT(Ser473和Thr308)蛋白表达量均显著降低;与模型对照组相比,花旗泽仁组和阳性对照组大鼠肝脏组织中Ca SR蛋白、磷酸化AKT(Ser473和Thr308)蛋白表达量均明显增加。结论:花旗泽仁可能通过调节Ca SR基因及蛋白表达,改善2型糖尿病胰岛素抵抗。展开更多
基金supported by Fujian Provincial Natural Science Foundation Project(2020J01243).
文摘Background:To investigate the mechanism of Xuefu Zhuyu decoction in the treatment of diabetes mellitus erectile dysfunction.Methods:Rats with diabetes mellitus erectile dysfunction were developed using streptozocin and randomly assigned into model,low-dose herbal,and high-dose herbal groups.All rats were administered normal saline or the corresponding drugs by oral gavage for 4 weeks.The related indices were detected using enzyme-linked immunosorbent assays,immunohistochemistry,western blotting,and transmission electron microscopy.Results:The levels of lectin-like oxidized low-density protein receptor-1,endothelin-1,NADH oxidase,vascular cell adhesion molecule-1,and intercellular adhesion molecule-1 in the model group were significantly higher than they were in the mock group but lower than they were in the herbal treatment group.The level of nitric oxide was lower in the model group than was in the mock group but higher than the level in the herbal treatment group.The calcium-sensitive receptor,phospho-protein kinase Cδ/protein kinase Cδ,phosphorylated c-Jun amino-terminal kinase/c-Jun amino-terminal kinase,and phospho-P38 mitogen-activated protein kinase/P38 mitogen-activated protein kinase expression levels in the model group were higher than were in the mock group but lower than were in the herbal treatment group.The structures of the Corpus cavernosum penis endothelial cells were significantly improved in the herbal treatment group than they did in the model group.Conclusion:Xuefu Zhuyu decoction can decrease injury to the endothelium,improve vascular endothelial diastolic and contractive function,and inhibit vascular fibrosis in rats with diabetes mellitus erectile dysfunction.This mechanism may be related to the CaSR/Gq-PLC-PKC pathway.
文摘新生儿重症甲状旁腺功能亢进症是一种罕见的危及生命的疾病,在新生儿期表现为严重的高钙血症、甲状旁腺功能亢进和骨质减少。患儿,女,14日龄,生后4天起病,表现为高胆红素血症、纳差、反应差、肌张力低下,严重的高钙血症和甲状旁腺功能亢进。基因检测显示,CASR基因存在未报道过的c.888C > A (p.Ser296Arg)(来源于父亲)、c.1576G > T (p.Glu526Ter)(来源于母亲)复合杂合变异。患儿经多次唑来膦酸静脉滴注,吸吮力、反应及肌张力有好转,血钙开始明显下降但一周后又升高。生后54天患儿行一侧甲状旁腺切除术,血钙有所下降,于生后64天出院。生后17月随访,患儿体格和神经发育迟缓。NSHPT由CASR基因失活变异引起,表现为严重的高钙血症和甲状旁腺功能亢进,伴生长发育迟缓。甲状旁腺全切除术是首选治疗手段,双膦酸盐可能具有一定的疗效。
文摘目的:观察花旗泽仁对胰岛素抵抗(IR)大鼠肝脏组织中钙敏感受体(Ca SR)mRNA、蛋白表达及蛋白激酶B(AKT)活性的影响,探讨花旗泽仁改善2型糖尿病胰岛素抵抗的作用机制。方法:雄性Wistar大鼠用复合脂肪乳连续灌胃4周配合小剂量注射链脲佐菌素的方法复制2型糖尿病胰岛素抵抗模型,将大鼠随机分为花旗泽仁组、阳性对照组、模型对照组、空白对照组。检测空腹血糖(FBG)及空腹血清胰岛素(FINS),并计算胰岛素敏感指数(ISI);采用qRT-PCR、Western blot技术检测Ca SR mRNA、Ca SR蛋白、磷酸化AKT(Ser473和Thr308)蛋白表达水平。结果:与空白对照组比较,模型对照组组大鼠FBG及FINS水平明显增高,ISI显著降低;与模型对照组相比,花旗泽仁组和阳性对照组大鼠FBG和FINS水平明显降低,ISI明显升高;与空白对照组比较,模型对照组大鼠肝脏组织中Ca SR mRNA表达水平明显降低;与模型对照组相比,花旗泽仁组和阳性对照组大鼠肝脏组织中Ca SR mRNA表达水平显著增高;与空白对照组比较,模型组大鼠肝脏组织中Ca SR蛋白、磷酸化AKT(Ser473和Thr308)蛋白表达量均显著降低;与模型对照组相比,花旗泽仁组和阳性对照组大鼠肝脏组织中Ca SR蛋白、磷酸化AKT(Ser473和Thr308)蛋白表达量均明显增加。结论:花旗泽仁可能通过调节Ca SR基因及蛋白表达,改善2型糖尿病胰岛素抵抗。
