基于UHPLC-Q Exactive Orbitrap-MS技术的冬虫夏草在不同品系大鼠体内入血成分及代谢产物比较研究

被引:0
作者
刘怡 [1 ,2 ]
梁欣欣 [2 ,3 ]
乔亚俊 [2 ,3 ]
戎林 [2 ,3 ]
司鹏龙 [1 ,2 ]
魏立新 [2 ,3 ]
毕宏涛 [2 ,3 ]
机构
[1] 青海大学医学院药学系
[2] 中国科学院西北高原生物研究所,青海省藏药药理学和安全性评价研究重点实验室
[3] 中国科学院藏药研究重点实验室
关键词
冬虫夏草; Lewis大鼠; SD大鼠; 入血成分; 代谢产物; UHPLC-Q Exactive Orbitrap-MS;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
摘要
目的 采用UHPLC-Q Exactive Orbitrap-MS技术对冬虫夏草在Lewis大鼠和SD大鼠体内入血成分及代谢产物进行定性分析。方法 采用ACQUITYUPLCHSST3(100 mm×2.1 mm,1.8μm)色谱柱。流动相为0.1%甲酸水溶液(A)和乙腈(B),流速0.35 mL/min,温度45℃。注射量为5μL。进行梯度洗脱。采用加热型电喷雾离子源,正、负离子模式下对冬虫夏草、给药血清和空白血清进行数据采集。此外,将Lewis大鼠和SD大鼠鉴定到的入血成分及代谢产物,通过PharmMapper、Super-Pred平台进行靶点预测和筛选,上传至DAVID平台,进行富集分析。结果 冬虫夏草鉴定出245种化学成分,主要为氨基酸及多肽类、甘油磷脂、脂肪酰类等。Lewis大鼠血清检测到7种成分(入血成分2种、代谢产物5种),SD大鼠血清检测到16种化合物(入血成分2种、代谢产物14种),入血成分主要为生物碱、氨基酸和多肽,代谢产物有多种反应。Lewis大鼠和SD大鼠KEGG和GO富集分析表明,靶点富集在与癌症、免疫相关信号通路,Lewis大鼠中Hepatitis B信号通路与宿主细胞应答相关,SD大鼠中Yersinia infection信号通路影响宿主细胞信号传导。结论 冬虫夏草在Lewis大鼠和SD大鼠中,两者相同的入血成分为gamma-l-glutamyl-l-beta-aminoisibutyricacid,不同的入血成分deltaValerobetaine(Lewis大鼠)、Valylleucine(SD大鼠),两者之间代谢产物的种类及数量均不相同;Lewis大鼠中Hepatitis B信号通路与宿主细胞应答相关,SD大鼠中Yersinia infection信号通路影响宿主细胞信号传导。
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页码:63 / 76
页数:14
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