BACKGROUND Non-alcoholic fatty liver disease(NAFLD)is a common chronic liver disease worldwide.However,to date,there is no ideal therapy for this disease.AIM To study the effects of Si-Ni-San freeze-dried powder on hi...BACKGROUND Non-alcoholic fatty liver disease(NAFLD)is a common chronic liver disease worldwide.However,to date,there is no ideal therapy for this disease.AIM To study the effects of Si-Ni-San freeze-dried powder on high fat diet-induced NAFLD in mice.METHODS Twenty-four male C57BL/6 mice were randomized into three groups of eight.The control group(CON)was allowed ad libitum access to a normal chow diet.The high fat diet group(FAT)and Si-Ni-San group(SNS)were allowed ad libitum access to a high fat diet.The SNS group was intragastrically administered Si-Ni-San freeze-dried powder(5.0 g/kg)once daily,and the CON and FAT groups were intragastrically administered distilled water.After 12 wk,body weight,liver index,visceral fat index,serum alanine aminotransferase(ALT),portal lipopoly-saccharide(LPS),liver tumor necrosis factor(TNF)-αand liver triglycerides were measured.Intestinal microbiota were analyzed using a 16S r DNA sequencing technique.RESULTS Compared with the FAT group,the SNS group exhibited decreased body weight,liver index,visceral fat index,serum ALT,portal LPS,liver TNF-αand liver triglycerides(P<0.05).Intestinal microbiota analysis showed that the SNS group had different bacterial composition and function compared with the FAT group.In particular,Oscillospira genus was a bacterial biomarker of SNS group samples.CONCLUSION The beneficial effects of Si-Ni-San freeze-dried powder on high fat diet-induced NAFLD in mice may be associated with its anti-inflammatory and changing intestinal microbiota effects.展开更多
建立了同时测定加味四逆散中柴胡皂苷a、芍药苷、橙皮苷、橙皮素、甘草酸和甘草苷的超高效液相色谱-质谱(UPLC-MS)方法,并应用于复方的药代动力学研究。色谱柱为Agilent Zorbax Eclipse Plus C_(18)柱(100×2.1mm,1.8μm);流动相为0...建立了同时测定加味四逆散中柴胡皂苷a、芍药苷、橙皮苷、橙皮素、甘草酸和甘草苷的超高效液相色谱-质谱(UPLC-MS)方法,并应用于复方的药代动力学研究。色谱柱为Agilent Zorbax Eclipse Plus C_(18)柱(100×2.1mm,1.8μm);流动相为0.1%甲酸溶液-乙腈;体积流量0.5mL/min;进样量为5μL;采用电喷雾离子源负离子模式(ESI-),多反应监测(MRM)模式进行测定。方法对6种化合物测定在一定的浓度范围具有良好的线性关系(r^2≥0.998),日内和日间精密度(RSD)值均小于8.3%,准确度为94.3%~104.9%,基质效应在82.5%~101.6%合理范围内,提取回收率在85.8%~94.3%之间。经方法学考察,该方法快速、成本低,可同时监测加味四逆散中6种生物活性成分的血药浓度。展开更多
文摘BACKGROUND Non-alcoholic fatty liver disease(NAFLD)is a common chronic liver disease worldwide.However,to date,there is no ideal therapy for this disease.AIM To study the effects of Si-Ni-San freeze-dried powder on high fat diet-induced NAFLD in mice.METHODS Twenty-four male C57BL/6 mice were randomized into three groups of eight.The control group(CON)was allowed ad libitum access to a normal chow diet.The high fat diet group(FAT)and Si-Ni-San group(SNS)were allowed ad libitum access to a high fat diet.The SNS group was intragastrically administered Si-Ni-San freeze-dried powder(5.0 g/kg)once daily,and the CON and FAT groups were intragastrically administered distilled water.After 12 wk,body weight,liver index,visceral fat index,serum alanine aminotransferase(ALT),portal lipopoly-saccharide(LPS),liver tumor necrosis factor(TNF)-αand liver triglycerides were measured.Intestinal microbiota were analyzed using a 16S r DNA sequencing technique.RESULTS Compared with the FAT group,the SNS group exhibited decreased body weight,liver index,visceral fat index,serum ALT,portal LPS,liver TNF-αand liver triglycerides(P<0.05).Intestinal microbiota analysis showed that the SNS group had different bacterial composition and function compared with the FAT group.In particular,Oscillospira genus was a bacterial biomarker of SNS group samples.CONCLUSION The beneficial effects of Si-Ni-San freeze-dried powder on high fat diet-induced NAFLD in mice may be associated with its anti-inflammatory and changing intestinal microbiota effects.
文摘建立了同时测定加味四逆散中柴胡皂苷a、芍药苷、橙皮苷、橙皮素、甘草酸和甘草苷的超高效液相色谱-质谱(UPLC-MS)方法,并应用于复方的药代动力学研究。色谱柱为Agilent Zorbax Eclipse Plus C_(18)柱(100×2.1mm,1.8μm);流动相为0.1%甲酸溶液-乙腈;体积流量0.5mL/min;进样量为5μL;采用电喷雾离子源负离子模式(ESI-),多反应监测(MRM)模式进行测定。方法对6种化合物测定在一定的浓度范围具有良好的线性关系(r^2≥0.998),日内和日间精密度(RSD)值均小于8.3%,准确度为94.3%~104.9%,基质效应在82.5%~101.6%合理范围内,提取回收率在85.8%~94.3%之间。经方法学考察,该方法快速、成本低,可同时监测加味四逆散中6种生物活性成分的血药浓度。
