Objective: The chemical finger printing-based methods for evaluating TCMs quality can report partial of TCMs quality without linking to effective constituents. In this study, a mathematical model was established for t...Objective: The chemical finger printing-based methods for evaluating TCMs quality can report partial of TCMs quality without linking to effective constituents. In this study, a mathematical model was established for the quality evaluation of total saponins of Panax japonicus(TSPJ), a folk medicine in China and Japan for treating diseases, through coupling the dynamic changes of chemical constitutions with corresponding activities.Methods: High-performance liquid chromatography(HPLC) fingerprints were applied to establish the chromatographic database of TSPJ. The associated hypolipidemic activity database was determined by TG assay using Hep G2 cell model. Correlation analyses of two databases were performed by partial least squares(PLS) for calculating regression coefficients, and the interval value of YZL value(the ratio of positive and negative peak-to-peak area coefficient) closely related to hypolipidemic activity was refined by the formula of Norminv function to value the quality of TSPJ.Results: In this study, the chromatographic data of 16 common peaks were obtained from 20 batches of TSPJ. After the estimate by this mathematical evaluation model, seven peaks were positively correlated with hypolipidemic activity, and nine peaks were negatively correlated with hypolipidemic activity.When the YZL value was less than 0.7861, the quality of sample was inferior, while YZL value was more than 6.6992, and the quality of samples was superior. The quality of another ten batches of TSPJ was further assessed to verify this method.Conclusion: These results indicated that the established model could be usefully applied to evaluate the quality of TSPJ in the hypolipidemic activity.展开更多
In the present study,we aimed to prepare Panax japonicus tablets and carry out quality inspection.Panax japonicus tablets were prepared by ultrafine pulverization-wet granulation,and quality inspection was carried out...In the present study,we aimed to prepare Panax japonicus tablets and carry out quality inspection.Panax japonicus tablets were prepared by ultrafine pulverization-wet granulation,and quality inspection was carried out according to Pharmacopoeia regulations.The plasma concentration of animals with self-made Panax japonicus tablets or ginsenoside Rg3 in single-dose intragastric administration was determined by high-performance liquid chromatography(HPLC).The pharmacokinetic parameters and relative bioavailability were calculated by DAS 2.0 software.The quality inspection of self-made Panax japonicus tablets met the requirements of Chinese Pharmacopoeia(2015 edition),and this preparation had high bioequivalence of ginsenoside Rg3.The preparation of Panax japonicus tablets was reasonable and highly qualified.Moreover,this new Panax japonicus preparation showed better profiles in oral absorption and utilization.This study provided evidence for the industrial production and clinical application of Panax japonicus tablets.展开更多
目的探讨竹节参总皂苷(saponins of Panax Japonicus,SPJ)改善高脂饮食诱导的小鼠睾丸生殖功能障碍的作用及机制。方法采用血球计数板于光镜下进行精子计数,伊红Y染色法检测精子存活率;苏木精伊红(HE)染色法检测小鼠睾丸组织形态;TUNEL...目的探讨竹节参总皂苷(saponins of Panax Japonicus,SPJ)改善高脂饮食诱导的小鼠睾丸生殖功能障碍的作用及机制。方法采用血球计数板于光镜下进行精子计数,伊红Y染色法检测精子存活率;苏木精伊红(HE)染色法检测小鼠睾丸组织形态;TUNEL法检测睾丸生精细胞的凋亡;Westernblot法检测睾丸组织内p-NF-κB及其下游炎症因子肿瘤坏死因子α(TNF-α)和白细胞介素1β(IL-1β)的蛋白表达水平;免疫荧光法检测睾丸巨噬细胞数量。结果SPJ可减轻高脂饮食小鼠的体质量,提高睾丸和附睾的质量及其指数,提高精子存活率和精子数量,改善生精小管形态并减轻生精细胞的凋亡,明显下调p-NF-κB、TNF-α和IL-1β的蛋白表达水平,减少睾丸巨噬细胞的数量。结论SPJ对高脂饮食小鼠睾丸生殖功能障碍有明显改善作用,其机制可能与减轻巨噬细胞浸润,抑制NF-κB通路介导的睾丸炎症有关。展开更多
基金the National Key R&D Program of China (2019YFC1711000)Natural Science Foundation of Shanghai (20ZR1458200)National Natural Science Foundation of China (81603229, 81274023) for their financial support of this work。
文摘Objective: The chemical finger printing-based methods for evaluating TCMs quality can report partial of TCMs quality without linking to effective constituents. In this study, a mathematical model was established for the quality evaluation of total saponins of Panax japonicus(TSPJ), a folk medicine in China and Japan for treating diseases, through coupling the dynamic changes of chemical constitutions with corresponding activities.Methods: High-performance liquid chromatography(HPLC) fingerprints were applied to establish the chromatographic database of TSPJ. The associated hypolipidemic activity database was determined by TG assay using Hep G2 cell model. Correlation analyses of two databases were performed by partial least squares(PLS) for calculating regression coefficients, and the interval value of YZL value(the ratio of positive and negative peak-to-peak area coefficient) closely related to hypolipidemic activity was refined by the formula of Norminv function to value the quality of TSPJ.Results: In this study, the chromatographic data of 16 common peaks were obtained from 20 batches of TSPJ. After the estimate by this mathematical evaluation model, seven peaks were positively correlated with hypolipidemic activity, and nine peaks were negatively correlated with hypolipidemic activity.When the YZL value was less than 0.7861, the quality of sample was inferior, while YZL value was more than 6.6992, and the quality of samples was superior. The quality of another ten batches of TSPJ was further assessed to verify this method.Conclusion: These results indicated that the established model could be usefully applied to evaluate the quality of TSPJ in the hypolipidemic activity.
基金Postgraduate Research Innovation Program of Yangzhou University(Grant No.XKYCX18_128)
文摘In the present study,we aimed to prepare Panax japonicus tablets and carry out quality inspection.Panax japonicus tablets were prepared by ultrafine pulverization-wet granulation,and quality inspection was carried out according to Pharmacopoeia regulations.The plasma concentration of animals with self-made Panax japonicus tablets or ginsenoside Rg3 in single-dose intragastric administration was determined by high-performance liquid chromatography(HPLC).The pharmacokinetic parameters and relative bioavailability were calculated by DAS 2.0 software.The quality inspection of self-made Panax japonicus tablets met the requirements of Chinese Pharmacopoeia(2015 edition),and this preparation had high bioequivalence of ginsenoside Rg3.The preparation of Panax japonicus tablets was reasonable and highly qualified.Moreover,this new Panax japonicus preparation showed better profiles in oral absorption and utilization.This study provided evidence for the industrial production and clinical application of Panax japonicus tablets.
文摘目的探讨竹节参总皂苷(saponins of Panax Japonicus,SPJ)改善高脂饮食诱导的小鼠睾丸生殖功能障碍的作用及机制。方法采用血球计数板于光镜下进行精子计数,伊红Y染色法检测精子存活率;苏木精伊红(HE)染色法检测小鼠睾丸组织形态;TUNEL法检测睾丸生精细胞的凋亡;Westernblot法检测睾丸组织内p-NF-κB及其下游炎症因子肿瘤坏死因子α(TNF-α)和白细胞介素1β(IL-1β)的蛋白表达水平;免疫荧光法检测睾丸巨噬细胞数量。结果SPJ可减轻高脂饮食小鼠的体质量,提高睾丸和附睾的质量及其指数,提高精子存活率和精子数量,改善生精小管形态并减轻生精细胞的凋亡,明显下调p-NF-κB、TNF-α和IL-1β的蛋白表达水平,减少睾丸巨噬细胞的数量。结论SPJ对高脂饮食小鼠睾丸生殖功能障碍有明显改善作用,其机制可能与减轻巨噬细胞浸润,抑制NF-κB通路介导的睾丸炎症有关。