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
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。
