Objective To investigate the effects of Lycii Fructus(LF,Gou Qi Zi,枸杞子)and Salviae Miltiorrhizae Radix Ex Rhizoma(SM,Dan Shen,丹参)on the syndrome of deficiency with blood stasis in the RCS(rdy-/-,p-/-)rats with re...Objective To investigate the effects of Lycii Fructus(LF,Gou Qi Zi,枸杞子)and Salviae Miltiorrhizae Radix Ex Rhizoma(SM,Dan Shen,丹参)on the syndrome of deficiency with blood stasis in the RCS(rdy-/-,p-/-)rats with retinitis pigmentosa(RP).Methods A total of 32 RCS(rdy-/-,p-/-)rats were divided into 4 groups(equal amounts of female and male rats in each group):model group treated with 0.9%normal saline,LF group treated with LF formula granules,SM group treated with SM formula granules,and LF and SM(L·S)group treated with LF and SM formula granules.Eight RCS(rdy+/+,p+/+)rats(4 males and 4 females)were treated with 0.9%normal saline to serve as blank group.The contents of E2,PG,P-Selectin,plasma viscosity,whole blood relative index of the high shear rate and fibrinogen content in plasma,and the content of cAMP and cGMP in retinal homogenate were detected.The retina was evaluated by hematoxylin-eosin staining.Results The contents of E2,PG,P-Selectin,plasma viscosity,whole blood relative index of the high shear rate,and fibrinogen content in the plasma of L·S group significantly differed from those of model group(P<0.01),but were similar to those of blank group.The contents of cAMP and cGMP in the retinal homogenate of L·S group significantly differed from those in model group(P<0.01)but were similar to those in blank group(P>0.05).Conclusions LF and SM can effectively treat retinitis pigmentosa by ameliorating the syndrome of deficiency with blood stasis.展开更多
目的建立大鼠血浆中丹参酮ⅡA和隐丹参酮的HPLC-UV检测法,并研究丹参脂溶性成分在大鼠体内的药动学。方法以吉非罗齐为内标,血浆样品经简单的甲醇沉淀蛋白后,上清液直接进样测定。大鼠尾iv丹参醇提取物(以丹参酮ⅡA计为5 m g/只),测定...目的建立大鼠血浆中丹参酮ⅡA和隐丹参酮的HPLC-UV检测法,并研究丹参脂溶性成分在大鼠体内的药动学。方法以吉非罗齐为内标,血浆样品经简单的甲醇沉淀蛋白后,上清液直接进样测定。大鼠尾iv丹参醇提取物(以丹参酮ⅡA计为5 m g/只),测定各时点丹参酮ⅡA和隐丹参酮的血药浓度,绘制药-时曲线,采用3p87计算药动学参数。结果大鼠尾iv丹参醇提取物后,丹参酮ⅡA的主要药动学参数分别为:t1/2α为(0.088±0.024)h,t1/2β为(2.1±0.7)h;VC为(0.8±0.6)L;CL为(2.0±1.1)L/h-1;AUC0-4和AUC0-∞分别为(2.2±0.9)m g.h/L和(3.4±1.7)m g.h/L。结论丹参醇提取物iv给药后,丹参酮ⅡA的药-时曲线符合二室模型,血浆中丹参酮ⅡA迅速下降,表观分布容积大;隐丹参酮在血浆中消除快,药动学参数不易获得。展开更多
目的:研究从丹参中提取和纯化总丹参酮的最佳工艺条件。方法:采用L9(34)正交设计,以总丹参酮和丹参酮ⅡA的提取率为考察指标,优化提取总丹参酮的工艺条件;以总丹参酮的含量为考察指标,优选纯化总丹参酮粗提物的工艺条件。结果:总丹参酮...目的:研究从丹参中提取和纯化总丹参酮的最佳工艺条件。方法:采用L9(34)正交设计,以总丹参酮和丹参酮ⅡA的提取率为考察指标,优化提取总丹参酮的工艺条件;以总丹参酮的含量为考察指标,优选纯化总丹参酮粗提物的工艺条件。结果:总丹参酮的最佳提取条件为加7倍量的90%乙醇,回流提取3次,每次提取1.5 h;最佳纯化工艺条件为加15倍量的8%碳酸钠溶液,洗涤5次,每次搅拌5 m in。结论:纯化工艺条件能使总丹参酮粗提物的含量由18.23%上升至57.29%,达到了新药申报规定的要求。该提取和纯化总丹参酮的最佳工艺条件简便易行,适用于工业化生产。展开更多
基金funding support from the National Natural science Foundation of China Funding Project (No. 81804150)Hunan Provincial Natural Science Funding Project (No. 2019JJ40226)+4 种基金National Key Discipline of TCM Diagnostics Foundation Funding Project (No. 2015ZYZD02)Hunan Provincial Department of Education Innovation Platform Open Funding Project (No. 16K065)Chinese Medicine Key Laboratory of Prevention and Treatment of Disease in Hunan Province (No. 2017TP1018)Hunan Engineering Technology Research Center for the Prevention and Treatment of Otorhinolaryngologic Diseases and Protection of Visual Function with Chinese Medicine (No. 2018TP2008)Changsha Science and Technology Plan Project
文摘Objective To investigate the effects of Lycii Fructus(LF,Gou Qi Zi,枸杞子)and Salviae Miltiorrhizae Radix Ex Rhizoma(SM,Dan Shen,丹参)on the syndrome of deficiency with blood stasis in the RCS(rdy-/-,p-/-)rats with retinitis pigmentosa(RP).Methods A total of 32 RCS(rdy-/-,p-/-)rats were divided into 4 groups(equal amounts of female and male rats in each group):model group treated with 0.9%normal saline,LF group treated with LF formula granules,SM group treated with SM formula granules,and LF and SM(L·S)group treated with LF and SM formula granules.Eight RCS(rdy+/+,p+/+)rats(4 males and 4 females)were treated with 0.9%normal saline to serve as blank group.The contents of E2,PG,P-Selectin,plasma viscosity,whole blood relative index of the high shear rate and fibrinogen content in plasma,and the content of cAMP and cGMP in retinal homogenate were detected.The retina was evaluated by hematoxylin-eosin staining.Results The contents of E2,PG,P-Selectin,plasma viscosity,whole blood relative index of the high shear rate,and fibrinogen content in the plasma of L·S group significantly differed from those of model group(P<0.01),but were similar to those of blank group.The contents of cAMP and cGMP in the retinal homogenate of L·S group significantly differed from those in model group(P<0.01)but were similar to those in blank group(P>0.05).Conclusions LF and SM can effectively treat retinitis pigmentosa by ameliorating the syndrome of deficiency with blood stasis.
文摘目的建立大鼠血浆中丹参酮ⅡA和隐丹参酮的HPLC-UV检测法,并研究丹参脂溶性成分在大鼠体内的药动学。方法以吉非罗齐为内标,血浆样品经简单的甲醇沉淀蛋白后,上清液直接进样测定。大鼠尾iv丹参醇提取物(以丹参酮ⅡA计为5 m g/只),测定各时点丹参酮ⅡA和隐丹参酮的血药浓度,绘制药-时曲线,采用3p87计算药动学参数。结果大鼠尾iv丹参醇提取物后,丹参酮ⅡA的主要药动学参数分别为:t1/2α为(0.088±0.024)h,t1/2β为(2.1±0.7)h;VC为(0.8±0.6)L;CL为(2.0±1.1)L/h-1;AUC0-4和AUC0-∞分别为(2.2±0.9)m g.h/L和(3.4±1.7)m g.h/L。结论丹参醇提取物iv给药后,丹参酮ⅡA的药-时曲线符合二室模型,血浆中丹参酮ⅡA迅速下降,表观分布容积大;隐丹参酮在血浆中消除快,药动学参数不易获得。
文摘目的:研究从丹参中提取和纯化总丹参酮的最佳工艺条件。方法:采用L9(34)正交设计,以总丹参酮和丹参酮ⅡA的提取率为考察指标,优化提取总丹参酮的工艺条件;以总丹参酮的含量为考察指标,优选纯化总丹参酮粗提物的工艺条件。结果:总丹参酮的最佳提取条件为加7倍量的90%乙醇,回流提取3次,每次提取1.5 h;最佳纯化工艺条件为加15倍量的8%碳酸钠溶液,洗涤5次,每次搅拌5 m in。结论:纯化工艺条件能使总丹参酮粗提物的含量由18.23%上升至57.29%,达到了新药申报规定的要求。该提取和纯化总丹参酮的最佳工艺条件简便易行,适用于工业化生产。