使用UHPLC-MS/MS对胆固醇-胆固醇乙烯代谢平衡和药物干预的研究,用于高脂血症仓鼠的药物干预
Zhiquan Wang1, Zhe Wang1, Miao Lin1
1State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Journal of pharmaceutical and biomedical analysis
|December 28, 2023
概括
超脂血症会破坏胆固醇和胆固醇 (CE) 的代谢. 降脂药物如ezetimibe和avasimibe可以改善这种情况,对胆固醇和CE/oxCE水平有明显的影响.
科学领域:
- 生物化学 生物化学
- 代谢障碍 代谢障碍 代谢障碍
- 药理学 药理学是指药理学的学科.
背景情况:
- 超脂血症是一种全球代谢障碍,与失调的胆固醇-胆固醇乙烯 (CE) 恒常性有关.
- 氧化胆固醇 (oxCEs) 越来越多地被认为是它们在高脂血症中的作用.
- 关于超脂血症对胆固醇-CE/oxCE代谢和降脂剂疗效的影响的研究有限.
研究的目的:
- 为了研究高脂血症仓鼠中胆固醇-CE/oxCE代谢的变化.
- 评估以谢胺 (NPC1L1抑制剂) 和阿瓦西胺 (ACAT抑制剂) 对这种代谢状态的影响.
- 为了确定超脂血症诱导的代谢失调的潜在生物标志物.
主要方法:
- 开发了新的超高性能液体染色学-并联质谱法 (UHPLC-MS/MS) 方法.
- 同时分析胆固醇,57个CE和40个oxCEs在血清,肝脏,脂肪组织和超脂性仓鼠的肠道中.
- 将高脂血症仓鼠的代谢概况与用ezetimibe或avasimibe治疗的仓鼠进行比较.
主要成果:
- 超脂血性仓鼠在胆固醇-CE/oxCE恒温中表现出显著的代谢障碍.
- 埃泽蒂米布和阿瓦西米布都改善了超脂血症诱导的代谢失调.
- 埃泽蒂米比在降低胆固醇方面更有效,而阿瓦西米比在降低CEs/oxCEs方面表现出色.
- 确定了8种潜在的血清生物标志物,用于超脂血和治疗反应.
结论:
- 超脂血症严重破坏胆固醇-CE/oxCE代谢的恒常性.
- 降脂剂在调节胆固醇-CE/oxCE代谢方面表现出不同的机制.
- 这项研究为高脂血症病理生理学和针对胆固醇-CE/oxCE代谢的治疗策略提供了新的见解.
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