Protocol for spatial metabolomics and isotope tracing in the mouse brain

Summary: 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, tissu...

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Bibliographic Details
Main Authors: Watit Sontising, Francine Yanchik-Slade, Carlos Rodriguez-Navas, Md Amir Hossen, Manuel Gonzalez-Rodriguez, Jake Vaynshteyn, Shinichi Yamaguchi, Mohamed Nazim Boutaghou, Isaac Marin-Valencia
Format: Article
Language:English
Published: Elsevier 2025-06-01
Series:STAR Protocols
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Online Access:http://www.sciencedirect.com/science/article/pii/S2666166725001224
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Summary:Summary: 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. : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
ISSN:2666-1667