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December 8, 2025Blood

High-throughput single-cell methylation resolves epigenetic states in hematopoietic differentiation and age-related clonal expansions

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Authors

CVCarolina Varona-ArguellesPGPeter van Galen

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Overview

High-throughput technology reveals methylation dynamics in single cells, suggesting implications for age-related clonal expansions.

Key Points

  • This research investigates DNA methylation's role in hematopoietic differentiation and clonal expansions associated with aging.
  • Developed DREAM-seq technology for high-throughput single-cell DNA methylation profiling.
  • Analyzed over 51,000 single-cell methylomes from various human hematopoietic tissues.
  • Identified variably methylated CpG sites to define hematopoietic cell subtypes.
  • Defined the largest tissue-specific atlas of hematopoietic differentiation at single-cell resolution.
  • Discovered hypomethylation patterns in CD34+ cells indicating lineage priming.
  • Characterized clonal populations in aged bone marrow, elucidating clonal expansion dynamics.

Cite This Study

Varona-Arguelles et al. (2025) studied this question.

synapsesocial.com/papers/69362f764fa91c937236e366https://doi.org/10.1182/blood-2025-977
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