Advances in mass spectrometry imaging coupled to ion mobility spectrometry for enhanced imaging of biological tissues.

Advances in mass spectrometry imaging coupled to ion mobility spectrometry for enhanced imaging of biological tissues.
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DOI:
10.1016/j.cbpa.2017.12.005
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发表时间:
2018-03
影响因子:
7.8
通讯作者:
Eberlin LS
Eberlin LS
中科院分区:
生物学2区
文献类型:
--
作者:
Sans M;Feider CL;Eberlin LS

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组织具有复杂的生化和形态组成,与其不同的细胞类型和生理功能有关。质谱(MS)成像技术是研究生物组织样本分子信息和可视化其复杂空间分布的有力工具。气相离子迁移率光谱(IMS)技术与质谱成像的耦合已被越来越多地探索,以提高生物组织成像的性能。这种方法可以改进低丰度离子的检测和等压分子种类的分离,从而更准确地确定分子离子的空间分布。在这篇综述中,我们重点介绍了该领域的最新进展,重点是这些技术在代谢物、脂质和蛋白质组织成像方面的应用前景。
Tissues present complex biochemical and morphological composition associated with their various cell types and physiological functions. Mass spectrometry (MS) imaging technologies are powerful tools to investigate the molecular information from biological tissue samples and visualize their complex spatial distributions. Coupling of gas-phase ion mobility spectrometry (IMS) technologies to MS imaging has been increasingly explored to improve performance for biological tissue imaging. This approach allows improved detection of low abundance ions and separation of isobaric molecular species, thus resulting in more accurate determination of the spatial distribution of molecular ions. In this review, we highlight recent advances in the field focusing on promising applications of these technologies for metabolite, lipid and protein tissue imaging.
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