Review of Recent Advances in Lipid Analysis of Biological Samples via Ambient Ionization Mass Spectrometry.

Review of Recent Advances in Lipid Analysis of Biological Samples via Ambient Ionization Mass Spectrometry.
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DOI:
10.3390/metabo11110781
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发表时间:
2021-11-15
期刊:
影响因子:
4.1
通讯作者:
Li L
Li L
中科院分区:
生物学3区
文献类型:
--
作者:
Lu H;Zhang H;Xu S;Li L

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脂质的快速和直接的结构表征被证明是研究脂质在许多生物过程中的功能作用的关键。在众多的分析技术中,敞开式电离质谱法(AIMS)允许直接从各种复杂的生物样品中进行脂质分子表征,而无需/只需极少的样品预处理。近年来,研究人员已经通过与一系列衍生化策略(例如,Paternand-Büchi(PB)反应、臭氧诱导解离(OzID)和环氧化反应),包括碳-碳双键(C=C)位置和sn-位置异构体。本文综述了C=C键分析的各种衍生化策略的反应机理、典型的仪器设置以及AIMS在各种生物样品(例如,组织、细胞和生物流体)。此外,对AIMS在脂质结构解析中的发展方向进行了讨论。
The rapid and direct structural characterization of lipids proves to be critical for studying the functional roles of lipids in many biological processes. Among numerous analytical techniques, ambient ionization mass spectrometry (AIMS) allows for a direct molecular characterization of lipids from various complex biological samples with no/minimal sample pretreatment. Over the recent years, researchers have expanded the applications of the AIMS techniques to lipid structural elucidation via a combination with a series of derivatization strategies (e.g., the Paternò–Büchi (PB) reaction, ozone-induced dissociation (OzID), and epoxidation reaction), including carbon–carbon double bond (C=C) locations and sn-positions isomers. Herein, this review summarizes the reaction mechanisms of various derivatization strategies for C=C bond analysis, typical instrumental setup, and applications of AIMS in the structural elucidation of lipids from various biological samples (e.g., tissues, cells, and biofluids). In addition, future directions of AIMS for lipid structural elucidation are discussed.
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