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Measuring Single-Cell Aging with an Imaging-based Biomarker of Chromatin and Epigenetic Aging
Published on: January 30, 2026
260
Unsupervised clustering and epigenetic classification of single cells.
Mahdi Zamanighomi1, Zhixiang Lin1, Timothy Daley1,2
1Department of Statistics, Stanford University, Stanford, CA, 94305, USA.
Nature Communications
|June 22, 2018
Summary
We developed scABC, an R package for unsupervised clustering of single-cell ATAC-seq data. This tool helps classify cell types and identify cell-identity-specific open chromatin regions in complex genomic samples.
Area of Science:
- Genomics
- Epigenetics
- Computational Biology
Background:
- Cellular-level epigenetic heterogeneity is crucial in genomics.
- Single-cell ATAC-seq (scATAC-seq) reveals epigenetic variability but faces technical challenges.
- Distinguishing cell types in heterogeneous populations requires robust analytical methods.
Purpose of the Study:
- To introduce scABC, an R package for unsupervised clustering of single-cell epigenetic data.
- To enable accurate classification of scATAC-seq data.
- To discover cell-identity-specific open chromatin regions.
Main Methods:
- Development of scABC, an R package utilizing unsupervised clustering algorithms.
- Application of scABC to single-cell ATAC-seq datasets.
- Analysis of open chromatin patterns for cell type identification.
Main Results:
- scABC effectively clusters single-cell epigenetic data.
- The package facilitates clear classification of cells within heterogeneous populations.
- scABC aids in the discovery of cell-specific regulatory elements.
Conclusions:
- scABC provides a robust solution for analyzing scATAC-seq data.
- The package improves cell type classification and identification of cell-identity-specific genomic regions.
- scABC advances the study of epigenetic heterogeneity at the single-cell level.
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