Protocol for spatial metabolomics and isotope tracing in the mouse brain.

IF 1.3 Q4 BIOCHEMICAL RESEARCH METHODS STAR Protocols Pub Date : 2025-06-20 Epub Date: 2025-03-27 DOI:10.1016/j.xpro.2025.103716
Watit Sontising, Francine Yanchik-Slade, Carlos Rodriguez-Navas, Md Amir Hossen, Manuel Gonzalez-Rodriguez, Jake Vaynshteyn, Shinichi Yamaguchi, Mohamed Nazim Boutaghou, Isaac Marin-Valencia
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引用次数: 0

Abstract

Mass spectrometry imaging enables high-resolution spatial chemical mapping, yet its application for dynamic analysis with tracers poses challenges. Here, we present a protocol for spatial metabolomics and isotope tracing in the mouse brain. We describe steps for tracer administration, tissue collection, and cryosectioning. We then detail procedures for matrix application, ion identification, and data analysis. This protocol delivers high-quality spatial metabolomics data and is well suited for region-specific tracing analysis in the brain.

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小鼠大脑空间代谢组学和同位素追踪方案。
质谱成像能够实现高分辨率的空间化学制图,但其在示踪剂动态分析中的应用带来了挑战。在这里,我们提出了一种在小鼠大脑中进行空间代谢组学和同位素追踪的方案。我们描述了示踪剂管理,组织收集和冷冻切片的步骤。然后详细介绍了矩阵应用、离子鉴定和数据分析的程序。该方案提供高质量的空间代谢组学数据,非常适合大脑区域特异性追踪分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
STAR Protocols
STAR Protocols Biochemistry, Genetics and Molecular Biology-General Biochemistry, Genetics and Molecular Biology
CiteScore
2.00
自引率
0.00%
发文量
789
审稿时长
10 weeks
期刊介绍:
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