Data-Driven and Machine Learning-Based Framework for Image-Guided Single-Cell Mass Spectrometry

Posted on 2023-01-25 - 13:51
Improved throughput of analysis and lowered limits of detection have allowed single-cell chemical analysis to go beyond the detection of a few molecules in such volume-limited samples, enabling researchers to characterize different functional states of individual cells. Image-guided single-cell mass spectrometry leverages optical and fluorescence microscopy in the high-throughput analysis of cellular and subcellular targets. In this work, we propose DATSIGMA (DAta-driven Tools for Single-cell analysis using Image-Guided MAss spectrometry), a workflow based on data-driven and machine learning approaches for feature extraction and enhanced interpretability of complex single-cell mass spectrometry data. Here, we implemented our toolset with user-friendly programs and tested it on multiple experimental data sets that cover a wide range of biological applications, including classifying various brain cell types. Because it is open-source, it offers a high level of customization and can be easily adapted to other types of single-cell mass spectrometry data.

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Xie, Yuxuan Richard; Chari, Varsha K.; Castro, Daniel C.; Grant, Romans; Rubakhin, Stanislav S.; Sweedler, Jonathan V. (2023): Data-Driven and Machine Learning-Based Framework for Image-Guided Single-Cell Mass Spectrometry. ACS Publications. Collection. https://doi.org/10.1021/acs.jproteome.2c00714
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