LC-MS/MS分析人支气管上皮细胞与烟曲霉共培养模型中胶霉毒素的含量

Chinese Journal of Mycology(2014)

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Abstract
目的:采用液相色谱-串联质谱法( LC-MS/MS)分析人支气管上皮细胞与烟曲霉共培养模型中胶霉毒素的含量。方法建立人支气管上皮细胞与烟曲霉共培养模型并于不同时间段检测共培养模型中胶霉毒素的含量。以支气管上皮细胞单独培养为对照组,分别于12 h、24 h、36 h收集对照组、AF293(烟曲霉标准株)共培养组、AF B5233 WT(烟曲霉野生株)及AF B5233ΔGlip(烟曲霉胶霉毒素基因敲除株)共培养组细胞培养上清液,采用LC-MS/MS检测胶霉毒素的含量。结果共培养模型中胶霉毒素水平随培养时间增加而逐渐升高( P <005),胶霉毒素回收率为687%~726%。结论该方法快速、灵敏、结果准确,适用于测定人支气管上皮细胞与烟曲霉共培养模型中胶霉毒素的含量。
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Key words
human bronchial epithelial cell,Aspergillus fumigatus,glioxin,LC-MS/MS,determination
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