OBJECTIVE This study was aimed to evaluate the effect of mangosteen peel extract(MPE)on migration of human umbilical vein endothelial cells(HUVECs)treated with LPS.METHODS Cultured HUVECs were divided into five groups...OBJECTIVE This study was aimed to evaluate the effect of mangosteen peel extract(MPE)on migration of human umbilical vein endothelial cells(HUVECs)treated with LPS.METHODS Cultured HUVECs were divided into five groups:normal(untreated)group,positive control group treated with LPS at dose of 20ng·mL-1 for 24 h,and groups pre-treated with LPS at dose of 20ng·mL-1 for 24 h followed by incubation with MPE at doses of 1,2,and 4-1μg·mL,respectively.HUVECs migration was evaluated using wound-healing migration assay after 24 h of treatment.RESULTS LPS significantly(P<0.05)impaired HUVECs migration compared to the normal.MPE at dose of 1μg·mL-1 increased migration of LPS-treated HUVECs significantly(P<0.05)compared to the positive control and near to the normal level.CONCLUSION The mangosteen peel extract is able to dose-dependently preserve the endothelial cells function.展开更多
目的通过离散型逼近理想解排序法(technique for order preference by similarity to an ideal solution,TOPSIS)评估6批法半夏醇提物的体外抗慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)作用,建立法半夏综合品质评...目的通过离散型逼近理想解排序法(technique for order preference by similarity to an ideal solution,TOPSIS)评估6批法半夏醇提物的体外抗慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)作用,建立法半夏综合品质评价新方法。方法采用香烟烟雾提取物(cigarette smoke extract,CSE)和脂多糖(lipopolysaccharide,LPS)构建Beas-2b人正常肺细胞的COPD模型,并使用MTT法测定生半夏及6批法半夏醇提取物的毒性和药效浓度,同时计算EC 50、IC 50;再由qRT-PCR、超氧化物歧化酶(superoxide dismutase,SOD)试剂盒测定相关指标;最后通过TOPSIS法对生半夏和法半夏进行多指标综合评价。结果根据IC 50值,得出各批次样品如下毒性排序:生半夏>法半夏④>法半夏①>法半夏⑤>法半夏③>法半夏⑥>法半夏②。通过qRT-PCR法验证得出,与模型组对比,各半夏给药组的TNF-α、IL-6和IL-8的表达均有不同程度的下调;并且在给药后所有给药组的SOD的含量均降低。将所有数据进行归一化处理,通过TOPSIS分析,得到药效综合排序结果如下:法半夏⑥>法半夏⑤>法半夏②>法半夏①>法半夏③>法半夏④>生半夏。结论不同半夏醇提物均可抑制LPS和CSE诱导的炎症和氧化应激,综合评价第⑥批法半夏的质量最好,且TOPSIS法可以作为一种药材的综合品质评定方法,为市面上参差不齐的药材质量提供质控思路。展开更多
文摘OBJECTIVE This study was aimed to evaluate the effect of mangosteen peel extract(MPE)on migration of human umbilical vein endothelial cells(HUVECs)treated with LPS.METHODS Cultured HUVECs were divided into five groups:normal(untreated)group,positive control group treated with LPS at dose of 20ng·mL-1 for 24 h,and groups pre-treated with LPS at dose of 20ng·mL-1 for 24 h followed by incubation with MPE at doses of 1,2,and 4-1μg·mL,respectively.HUVECs migration was evaluated using wound-healing migration assay after 24 h of treatment.RESULTS LPS significantly(P<0.05)impaired HUVECs migration compared to the normal.MPE at dose of 1μg·mL-1 increased migration of LPS-treated HUVECs significantly(P<0.05)compared to the positive control and near to the normal level.CONCLUSION The mangosteen peel extract is able to dose-dependently preserve the endothelial cells function.
文摘目的通过离散型逼近理想解排序法(technique for order preference by similarity to an ideal solution,TOPSIS)评估6批法半夏醇提物的体外抗慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)作用,建立法半夏综合品质评价新方法。方法采用香烟烟雾提取物(cigarette smoke extract,CSE)和脂多糖(lipopolysaccharide,LPS)构建Beas-2b人正常肺细胞的COPD模型,并使用MTT法测定生半夏及6批法半夏醇提取物的毒性和药效浓度,同时计算EC 50、IC 50;再由qRT-PCR、超氧化物歧化酶(superoxide dismutase,SOD)试剂盒测定相关指标;最后通过TOPSIS法对生半夏和法半夏进行多指标综合评价。结果根据IC 50值,得出各批次样品如下毒性排序:生半夏>法半夏④>法半夏①>法半夏⑤>法半夏③>法半夏⑥>法半夏②。通过qRT-PCR法验证得出,与模型组对比,各半夏给药组的TNF-α、IL-6和IL-8的表达均有不同程度的下调;并且在给药后所有给药组的SOD的含量均降低。将所有数据进行归一化处理,通过TOPSIS分析,得到药效综合排序结果如下:法半夏⑥>法半夏⑤>法半夏②>法半夏①>法半夏③>法半夏④>生半夏。结论不同半夏醇提物均可抑制LPS和CSE诱导的炎症和氧化应激,综合评价第⑥批法半夏的质量最好,且TOPSIS法可以作为一种药材的综合品质评定方法,为市面上参差不齐的药材质量提供质控思路。
