Objective:To investigate the effects of Δ^(9)-tetrahydrocannabinol,the principal psychoactive compound of Cannabis sativa,and cannabinol,a Δ^(9)-tetrahydrocannabinol degradative product,on human non-small cell lung ...Objective:To investigate the effects of Δ^(9)-tetrahydrocannabinol,the principal psychoactive compound of Cannabis sativa,and cannabinol,a Δ^(9)-tetrahydrocannabinol degradative product,on human non-small cell lung cancer cells.Methods:Δ^(9)-Tetrahydrocannabinol and cannabinol were tested for anticancer activity in human non-small cell lung cancer(A549)cells.The effects on cell proliferation,apoptosis,and phosphorylation profiles were examined.The effects of Δ^(9)-tetrahydrocannabinol and cannabinol on tumor growth were also investigated using a xenograft nude mouse model.Apoptosis and targeted phosphorylation were verified by immunohistochemistry.Results:Δ^(9)-Tetrahydrocannabinol and cannabinol significantly inhibited cell proliferation and increased the number of apoptotic cells in a concentration-dependent manner.The Δ^(9)-tetrahydrocannabinol-and cannabinol-treated cells had lower levels of phosphorylated protein kinase B[AKT(S473)],glycogen synthase kinase 3 alpha/beta,and endothelial nitric oxide synthase compared to the controls.The study of xenograft mice revealed that tumors treated with 15 mg/kg Δ^(9)-tetrahydrocannabinol or 40 mg/kg cannabinol were significantly smaller than those of the control mice.The tumor progression rates in mice treated with 15 mg/kg Δ^(9)-tetrahydrocannabinol or 40 mg/kg cannabinol were significantly slower than in the control group.Conclusions:These findings indicate that Δ^(9)-tetrahydrocannabinol and cannabinol inhibit lung cancer cell growth by inhibiting AKT and its signaling pathways,which include glycogen synthase kinase 3 alpha/beta and endothelial nitric oxide synthase.展开更多
A method of GC determination using tetracosane as the internal standard for active cannabinoids cannabidiol.△~9-tetrahydrocannabinol and cannabinol of cannabis is described.The method is simple and accurate and has b...A method of GC determination using tetracosane as the internal standard for active cannabinoids cannabidiol.△~9-tetrahydrocannabinol and cannabinol of cannabis is described.The method is simple and accurate and has been applied to investigate the contents of active cannabinoids in cannabis of Chinese origin.Information was obtained from provinces and autonomous region of China. Three pure cannabinoids used as the reference substances were extracted and isolated successfully from cannabis.展开更多
目的：建立气相色谱-质谱法同时分析运动营养品中大麻酚、大麻二酚和Δ9-四氢大麻酚的检测方法。方法：样品采用液液萃取,提取液经过正相固相萃取柱（Silica）纯化,洗脱液氮气吹干,N-甲基-N-（三甲基硅烷）三氟乙酰胺衍生化后,采用HP-1M...目的：建立气相色谱-质谱法同时分析运动营养品中大麻酚、大麻二酚和Δ9-四氢大麻酚的检测方法。方法：样品采用液液萃取,提取液经过正相固相萃取柱（Silica）纯化,洗脱液氮气吹干,N-甲基-N-（三甲基硅烷）三氟乙酰胺衍生化后,采用HP-1MS柱（17 m×0.2 mm i.d.×0.11 mm）色谱分离,程序升温,质谱检测,D3-Δ9-四氢大麻酚为内标。结果：大麻酚、大麻二酚和Δ9-四氢大麻酚的衍生化产物实现基线分离,三个定性特征离子的峰度比计算结果可以满足世界反兴奋剂机构（WADA）要求。该方法的检测限为1μg/kg,定量限为2μg/kg,在添加的高、中、低三种浓度的相对回收率分布在94%~119%之间。结论：该方法满足常规检测要求,样品前处理简单、快速、可靠。展开更多
建立了使用HPLC测定不同品种工业大麻中大麻二酚含量的分析方法;在Eclipse Plus C18(150mm×4.6mm,5μm)色谱柱,水-甲醇-乙腈为流动相梯度洗脱,流速为1.0mL/min,检测波长210nm,柱温30℃的色谱条件下测定不同品种工业大麻中大麻二酚...建立了使用HPLC测定不同品种工业大麻中大麻二酚含量的分析方法;在Eclipse Plus C18(150mm×4.6mm,5μm)色谱柱,水-甲醇-乙腈为流动相梯度洗脱,流速为1.0mL/min,检测波长210nm,柱温30℃的色谱条件下测定不同品种工业大麻中大麻二酚的含量。结果表明,大麻二酚在质量浓度0.0675~0.5400μg/μL(R^2=0.9927)范围内有良好的线性关系,加样回收率为101.3%(RSD=2.51%)。该方法操作简便,具有良好的重复性和回收率,适用于工业大麻中大麻二酚的定性定量分析。展开更多
基金the Research Institute,Rangsit University(grant number 103/2561,2018)and by the College of Pharmacy,Rangsit University.
文摘Objective:To investigate the effects of Δ^(9)-tetrahydrocannabinol,the principal psychoactive compound of Cannabis sativa,and cannabinol,a Δ^(9)-tetrahydrocannabinol degradative product,on human non-small cell lung cancer cells.Methods:Δ^(9)-Tetrahydrocannabinol and cannabinol were tested for anticancer activity in human non-small cell lung cancer(A549)cells.The effects on cell proliferation,apoptosis,and phosphorylation profiles were examined.The effects of Δ^(9)-tetrahydrocannabinol and cannabinol on tumor growth were also investigated using a xenograft nude mouse model.Apoptosis and targeted phosphorylation were verified by immunohistochemistry.Results:Δ^(9)-Tetrahydrocannabinol and cannabinol significantly inhibited cell proliferation and increased the number of apoptotic cells in a concentration-dependent manner.The Δ^(9)-tetrahydrocannabinol-and cannabinol-treated cells had lower levels of phosphorylated protein kinase B[AKT(S473)],glycogen synthase kinase 3 alpha/beta,and endothelial nitric oxide synthase compared to the controls.The study of xenograft mice revealed that tumors treated with 15 mg/kg Δ^(9)-tetrahydrocannabinol or 40 mg/kg cannabinol were significantly smaller than those of the control mice.The tumor progression rates in mice treated with 15 mg/kg Δ^(9)-tetrahydrocannabinol or 40 mg/kg cannabinol were significantly slower than in the control group.Conclusions:These findings indicate that Δ^(9)-tetrahydrocannabinol and cannabinol inhibit lung cancer cell growth by inhibiting AKT and its signaling pathways,which include glycogen synthase kinase 3 alpha/beta and endothelial nitric oxide synthase.
文摘A method of GC determination using tetracosane as the internal standard for active cannabinoids cannabidiol.△~9-tetrahydrocannabinol and cannabinol of cannabis is described.The method is simple and accurate and has been applied to investigate the contents of active cannabinoids in cannabis of Chinese origin.Information was obtained from provinces and autonomous region of China. Three pure cannabinoids used as the reference substances were extracted and isolated successfully from cannabis.
文摘目的：建立气相色谱-质谱法同时分析运动营养品中大麻酚、大麻二酚和Δ9-四氢大麻酚的检测方法。方法：样品采用液液萃取,提取液经过正相固相萃取柱（Silica）纯化,洗脱液氮气吹干,N-甲基-N-（三甲基硅烷）三氟乙酰胺衍生化后,采用HP-1MS柱（17 m×0.2 mm i.d.×0.11 mm）色谱分离,程序升温,质谱检测,D3-Δ9-四氢大麻酚为内标。结果：大麻酚、大麻二酚和Δ9-四氢大麻酚的衍生化产物实现基线分离,三个定性特征离子的峰度比计算结果可以满足世界反兴奋剂机构（WADA）要求。该方法的检测限为1μg/kg,定量限为2μg/kg,在添加的高、中、低三种浓度的相对回收率分布在94%~119%之间。结论：该方法满足常规检测要求,样品前处理简单、快速、可靠。
文摘建立了使用HPLC测定不同品种工业大麻中大麻二酚含量的分析方法;在Eclipse Plus C18(150mm×4.6mm,5μm)色谱柱,水-甲醇-乙腈为流动相梯度洗脱,流速为1.0mL/min,检测波长210nm,柱温30℃的色谱条件下测定不同品种工业大麻中大麻二酚的含量。结果表明,大麻二酚在质量浓度0.0675~0.5400μg/μL(R^2=0.9927)范围内有良好的线性关系,加样回收率为101.3%(RSD=2.51%)。该方法操作简便,具有良好的重复性和回收率,适用于工业大麻中大麻二酚的定性定量分析。
