Objective:To determine the therapeutic effect of Danggui Shaoyao San with Huangqi on rats with nephrotic syndrome(NS)was discussed,and the scientific connotation of TCM treatment principle was elaborated,so as to prov...Objective:To determine the therapeutic effect of Danggui Shaoyao San with Huangqi on rats with nephrotic syndrome(NS)was discussed,and the scientific connotation of TCM treatment principle was elaborated,so as to provide experimental basis for its clinical application.Methods:The NS rat model was established by iv administration of adriamycin;The rats were divided into model group,Danggui Shaoyao San group,Danggui Shaoyao San with Huangqi group,Huangqi group and positive drug group,with 10 rats in control group;The best dosage ratio of Danggui Shaoyao San and Huangqi was screened by Excel;24 h urine protein was measured by BCA method;The electrolyte level was detected by automatic biochemical analyzer;In serum Urea nitrogen(BUN),Creatinine(SCr),Total cholesterol(TC),Triglyceride(TG),Total protein(TP),Albumin(ALB),Immunoglobulin M(Ig-M)and Immunoglobulin G(Ig-G)were detected by the kit;hematoxylin-eosin staining was used to observe the renal morphology;The Total water content(TBW),Extracellular water content(ECF)and Intracellular water content(ICF)were measured by experimental animal body composition analyzer.Results:Compared with the model group,the urine protein in the modified Astragalus group of Danggui Shaoyao Powder was significantly decreased(P<0.01);Urine electrolytes were significantly decreased and serum electrolytes were significantly increased(P<0.01);Serum BUN,SCR,TC and TG were significantly decreased(P<0.01),while TP,ALB,TBW and ICF were significantly increased(P<0.01);The levels of Ig-M and Ig-G were significantly increased(P<0.01),TBW and ICF were significantly increased,and ECF was significantly decreased(P<0.01);Histopathology showed that the pathological changes of renal tissue were obviously alleviated;The improvement of each index was better than that of Danggui Shaoyao San group and Huangqi group.Conclusion:Danggui Shaoyao San with Huangqi group can significantly improve the edema,proteinuria,blood lipid and immune function of NS rats,and the effect is better than that of Danggui Shaoyao San group and Huangqi group.It has the best therapeutic effect on NS,which indicates that Huangqi plays a key synergistic effect on Danggui Shaoyao San,which verifies the scientific connotation of"Yiqi Huoxue Lishui"in the treatment of NS.展开更多
目的研究当归芍药散(Danggui Shaoyao San,DSS)对糖尿病肾病小鼠肠道菌群的作用。方法选取30只8周龄雄性db/db小鼠,6只8周龄雄性db/m小鼠。检测空腹血糖以及尿白蛋白/肌酐比值(urinary albumin to creatinine ratio,UACR),将符合要求的d...目的研究当归芍药散(Danggui Shaoyao San,DSS)对糖尿病肾病小鼠肠道菌群的作用。方法选取30只8周龄雄性db/db小鼠,6只8周龄雄性db/m小鼠。检测空腹血糖以及尿白蛋白/肌酐比值(urinary albumin to creatinine ratio,UACR),将符合要求的db/db小鼠随机分成5组:模型(MOD)组(0.1 mL/10 g蒸馏水)、达格列净(DAPA)组(1.3 mg/kg达格列净片)及DSS低剂量(DSS-L)组(8.39 g/kg)、中剂量(DSS-M)组(16.77 g/kg)、高剂量(DSS-H)组(33.54 g/kg),每组6只;6只db/m小鼠为空白对照(CON)组(0.1 m L/10 g蒸馏水)。测定小鼠空腹血糖、胰岛素耐量;ELISA法测定血尿素氮和血肌酐;全自动生化分析仪检测UACR;对小鼠的肾脏组织和小肠组织进行HE染色;取小鼠结肠粪便进行16S r RNA测序。结果与CON组比较,MOD组糖耐量下降,空腹血糖、血尿素氮、血肌酐、UACR升高(P<0.01);与MOD组比较,DSS组的糖耐量升高(P<0.01),空腹血糖、血尿素氮、血肌酐、UACR降低(P<0.01),肾脏和小肠的病理损伤程度降低。肠道菌群多样性研究结果显示:相比CON组,MOD组肠道菌群多样性降低;相比MOD组,DSS-M组与CON组的菌群差异性较小。在菌群的物种组成方面,DSS-M组小鼠嗜黏蛋白阿克曼氏菌(Akkermansia muciniphila)的相对丰度明显增加(P<0.01)。结论DSS能显著增加糖尿病肾病db/db小鼠肠道中的嗜黏蛋白阿克曼氏菌的丰度,可能是其改善糖尿病肾病的机制之一。展开更多
目的 探讨当归芍药散(DSS)含药血清及其有效成分阿魏酸(FA)、芍药苷(PF)对肾间质纤维化(RIF)大鼠的作用及机制。方法 制备当归芍药散药液,以低剂量(0.05 mL DSS药液/10 g体质量)、中剂量(0.1 mL DSS药液/10 g体质量)、高剂量(0.2 mL DS...目的 探讨当归芍药散(DSS)含药血清及其有效成分阿魏酸(FA)、芍药苷(PF)对肾间质纤维化(RIF)大鼠的作用及机制。方法 制备当归芍药散药液,以低剂量(0.05 mL DSS药液/10 g体质量)、中剂量(0.1 mL DSS药液/10 g体质量)、高剂量(0.2 mL DSS药液/10 g体质量)每日同一时间灌胃雄性Sprague Dawley大鼠,持续7 d,腹主动脉取血获得相应低、中、高剂量DSS血清(DSSS)。将大鼠肾小管上皮细胞(NRK-52E)分成对照组、模型组(TGF-β处理)、siRNA转染组(TGF-β+siRNA处理)、FA组(TGF-β+FA处理)、PF组(TGF-β+PF处理)及DSSS低、中、高剂量组(TGF-β+DSSS-L、TGF-β+DSSS-M、TGF-β+DSSS-H分别处理)。筛选并确定DSSS、FA、PF、TGF-β对NRK-52E细胞的干预浓度,对以上各组NRK-52E细胞进行干预。采用Western blotting法检测各组NLRP3、半胱氨酸蛋白酶1(CASP-1)、Gasdermin D(GSDMD)、白细胞介素-18(IL-18)、纤连蛋白(FN)、E型钙黏蛋白(E-Cadherin)、N型钙黏蛋白(N-Cadherin)的蛋白表达变化。结果 相较于模型组,DSSS、FA、PF治疗组细胞焦亡相关蛋白NLRP3、CASP-1、GSDMD、IL-18表达均降低,差异均有统计学意义(P均<0.05)。DSSS中、高剂量及FA、PF治疗组相较于模型组纤维化相关黏附蛋白FN、E-Cadherin、N-Cadherin表达降低,差异均有统计学意义(P均<0.05)。结论 当归芍药散含药血清及有效成分FA、PF可抑制TGF-β诱导的NRK-52E细胞纤维化模型中NLRP3介导的焦亡蛋白激活,并能调节黏附蛋白表达和上皮-间质转化进展,缓解纤维化。展开更多
基金National Natural Science Foundation Project(No.81573720,81974536)。
文摘Objective:To determine the therapeutic effect of Danggui Shaoyao San with Huangqi on rats with nephrotic syndrome(NS)was discussed,and the scientific connotation of TCM treatment principle was elaborated,so as to provide experimental basis for its clinical application.Methods:The NS rat model was established by iv administration of adriamycin;The rats were divided into model group,Danggui Shaoyao San group,Danggui Shaoyao San with Huangqi group,Huangqi group and positive drug group,with 10 rats in control group;The best dosage ratio of Danggui Shaoyao San and Huangqi was screened by Excel;24 h urine protein was measured by BCA method;The electrolyte level was detected by automatic biochemical analyzer;In serum Urea nitrogen(BUN),Creatinine(SCr),Total cholesterol(TC),Triglyceride(TG),Total protein(TP),Albumin(ALB),Immunoglobulin M(Ig-M)and Immunoglobulin G(Ig-G)were detected by the kit;hematoxylin-eosin staining was used to observe the renal morphology;The Total water content(TBW),Extracellular water content(ECF)and Intracellular water content(ICF)were measured by experimental animal body composition analyzer.Results:Compared with the model group,the urine protein in the modified Astragalus group of Danggui Shaoyao Powder was significantly decreased(P<0.01);Urine electrolytes were significantly decreased and serum electrolytes were significantly increased(P<0.01);Serum BUN,SCR,TC and TG were significantly decreased(P<0.01),while TP,ALB,TBW and ICF were significantly increased(P<0.01);The levels of Ig-M and Ig-G were significantly increased(P<0.01),TBW and ICF were significantly increased,and ECF was significantly decreased(P<0.01);Histopathology showed that the pathological changes of renal tissue were obviously alleviated;The improvement of each index was better than that of Danggui Shaoyao San group and Huangqi group.Conclusion:Danggui Shaoyao San with Huangqi group can significantly improve the edema,proteinuria,blood lipid and immune function of NS rats,and the effect is better than that of Danggui Shaoyao San group and Huangqi group.It has the best therapeutic effect on NS,which indicates that Huangqi plays a key synergistic effect on Danggui Shaoyao San,which verifies the scientific connotation of"Yiqi Huoxue Lishui"in the treatment of NS.
文摘目的研究当归芍药散(Danggui Shaoyao San,DSS)对糖尿病肾病小鼠肠道菌群的作用。方法选取30只8周龄雄性db/db小鼠,6只8周龄雄性db/m小鼠。检测空腹血糖以及尿白蛋白/肌酐比值(urinary albumin to creatinine ratio,UACR),将符合要求的db/db小鼠随机分成5组:模型(MOD)组(0.1 mL/10 g蒸馏水)、达格列净(DAPA)组(1.3 mg/kg达格列净片)及DSS低剂量(DSS-L)组(8.39 g/kg)、中剂量(DSS-M)组(16.77 g/kg)、高剂量(DSS-H)组(33.54 g/kg),每组6只;6只db/m小鼠为空白对照(CON)组(0.1 m L/10 g蒸馏水)。测定小鼠空腹血糖、胰岛素耐量;ELISA法测定血尿素氮和血肌酐;全自动生化分析仪检测UACR;对小鼠的肾脏组织和小肠组织进行HE染色;取小鼠结肠粪便进行16S r RNA测序。结果与CON组比较,MOD组糖耐量下降,空腹血糖、血尿素氮、血肌酐、UACR升高(P<0.01);与MOD组比较,DSS组的糖耐量升高(P<0.01),空腹血糖、血尿素氮、血肌酐、UACR降低(P<0.01),肾脏和小肠的病理损伤程度降低。肠道菌群多样性研究结果显示:相比CON组,MOD组肠道菌群多样性降低;相比MOD组,DSS-M组与CON组的菌群差异性较小。在菌群的物种组成方面,DSS-M组小鼠嗜黏蛋白阿克曼氏菌(Akkermansia muciniphila)的相对丰度明显增加(P<0.01)。结论DSS能显著增加糖尿病肾病db/db小鼠肠道中的嗜黏蛋白阿克曼氏菌的丰度,可能是其改善糖尿病肾病的机制之一。
