New Tool CHOIR Revolutionizes Disease Research with Superior Single-Cell Analysis Capabilities
April 7, 2025
Since its preliminary release a year ago, CHOIR has been downloaded by hundreds of researchers and is being utilized across multiple fields, including neuroscience, immunology, cardiovascular, and cancer research.
CHOIR addresses key limitations of existing methods by accurately identifying rare cell types and avoiding the creation of non-distinct groups, as emphasized by lead researcher Ryan Corces.
The tool includes built-in mechanisms to prevent underclustering and overclustering, ensuring reliable detection of both common and rare cell populations.
Researchers at the Gladstone Institutes have introduced a groundbreaking computational tool named CHOIR, which stands for 'cluster hierarchy optimization by iterative random forests,' aimed at enhancing the identification of specific cell types related to diseases.
This innovative tool is designed to detect 'off-key' cells that can disrupt health and promote disease, employing an unbiased statistical framework to categorize cells from various tissues, including human and experimental models.
Incorporating machine learning, CHOIR analyzes data from any single-cell analysis method, such as RNA, DNA, or protein studies, ensuring a comprehensive approach to cell categorization.
Developed by Cathrine Sant, PhD, during her studies on Alzheimer's disease, in collaboration with Ryan Corces, PhD, and Lennart Mucke, MD, CHOIR aims to provide a reliable method for analyzing single-cell sequencing data.
Sant's goal was to create an unbiased statistical method that enhances research rigor and reproducibility across scientific studies, which is reflected in CHOIR's user-friendly design and standardized settings.
Currently, Sant is applying CHOIR to Alzheimer's research, focusing on specific brain cell types and analyzing extensive datasets of human tissue samples.
In extensive tests, CHOIR has outperformed 15 leading single-cell analysis tools, consistently identifying distinct cell types that others missed, thereby enhancing the rigor and reproducibility of research findings.
Researchers at Gladstone are optimistic that CHOIR will facilitate advancements in various scientific fields and biomedicine by improving the analysis of single-cell data.
Overall, CHOIR represents a significant advancement in the field of single-cell analysis, promising to enhance our understanding of health-promoting and disease-promoting cells.
Summary based on 2 sources
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Sources

Phys.org • Apr 7, 2025
Computational tool CHOIR can detect 'off-key' cells that promote disease
News-Medical • Apr 7, 2025
Novel computational tool helps scientists detect hidden cell types behind disease