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Sample Preparation for Mass Cytometry Analysis
Published on: April 29, 2017
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Signal amplification by cyclic extension enables high-sensitivity single-cell mass cytometry
Xiao-Kang Lun1, Kuanwei Sheng1, Xueyang Yu2
1Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, USA.
Nature Biotechnology
|July 29, 2024
Summary
A new signal amplification technology, Amplification by Cyclic Extension (ACE), enhances low-abundance protein detection in mass cytometry. This method improves sensitivity for studying cellular transitions, signaling dynamics, and tissue pathology.
Area of Science:
- Biotechnology
- Cellular Biology
- Proteomics
Background:
- Mass cytometry enables high-dimensional single-cell analysis of proteins.
- Current mass cytometry methods have limited sensitivity for detecting low-abundance proteins.
Purpose of the Study:
- To develop a novel signal amplification technology for mass cytometry.
- To enhance the sensitivity of protein quantification in single-cell analysis.
Main Methods:
- Amplification by Cyclic Extension (ACE) combines DNA concatenation and crosslinking for signal amplification.
- ACE was applied to suspension and imaging mass cytometry.
Main Results:
- ACE significantly improved the detection of low-abundance proteins.
- The technology was used to characterize epithelial-to-mesenchymal transitions and T lymphocyte signaling.
- ACE enabled multiparametric tissue imaging for pathological state analysis in polycystic kidney disease.
Conclusions:
- ACE is a powerful tool for sensitive protein quantification in mass cytometry.
- This technology expands the applications of mass cytometry in diverse biological and pathological contexts.
