4.8 Article

Rapid, High-Throughput Single-Cell Multiplex In Situ Tagging (MIST) Analysis of Immunological Disease with Machine Learning

Journal

ANALYTICAL CHEMISTRY
Volume 95, Issue 19, Pages 7779-7787

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.3c01157

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A rapid and high-throughput method for detecting immunological disorders and distinguishing normal inflammation from sepsis using single-cell multiplex in situ tagging (scMIST) technology was presented. This approach allows simultaneous detection of 46 markers and cytokines from single cells without the need for special instruments. By analyzing T cell features and dynamics using scMIST, a machine learning model was developed and achieved 94% accuracy in predicting the group of mice.
The cascade of immune responses involves activation of diverse immune cells and release of a large amount of cytokines, which leads to either normal, balanced inflammation or hyperinflammatory responses and even organ damage by sepsis. Conventional diagnosis of immunological disorders based on multiple cytokines in the blood serum has varied accuracy, and it is difficult to distinguish normal inflammation from sepsis. Herein, we present an approach to detect immunological disorders through rapid, ultrahigh-multiplex analysis of T cells using single-cell multiplex in situ tagging (scMIST) technology. scMIST permits simultaneous detection of 46 markers and cytokines from single cells without the assistance of special instruments. A cecal ligation and puncture sepsis model was built to supply T cells from two groups of mice that survived the surgery or died after 1 day. The scMIST assays have captured the T cell features and the dynamics over the course of recovery. Compared with cytokines in the peripheral blood, T cell markers show different dynamics and cytokine levels. We have applied a random forest machine learning model to single T cells from two groups of mice. Through training, the model has been able to predict the group of mice through T cell classification and majority rule with 94% accuracy. Our approach pioneers the direction of single-cell omics and could be widely applicable to human diseases.

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