Related Experiment Video
Updated: Jun 24, 2025

Pan-myeloid Differentiation of Human Cord Blood Derived CD34+ Hematopoietic Stem and Progenitor Cells
Published on: August 9, 2019
Charting epimutation dynamics in human hematopoietic differentiation
Xiaohuan Qin1, Jiayi Lu1, Peng Wu1
1State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Department of Stem Cell and Regenerative Medicine, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin, China.
Epimutations, variations in DNA methylation, significantly impact blood cell development and diseases. Our study maps these epigenetic changes, revealing their crucial role in human hematopoiesis and offering new insights.
Area of Science:
- Epigenetics
- Molecular Biology
- Hematology
Background:
- DNA methylation is crucial for hematopoietic differentiation.
- Epimutations introduce epigenetic heterogeneity, but their role in hematopoiesis and disease is unclear.
Purpose of the Study:
- To develop a tool for quantifying epimutations.
- To investigate the epimutation landscape during human hematopoietic differentiation.
- To explore the role of epimutations in hematopoietic stem cells and acute myeloid leukemia.
Main Methods:
- Developed the Julia package EpiMut for rapid and accurate epimutation quantification.
- Analyzed epimutation landscapes across 13 blood cell types from stem cells to mature cells.
- Investigated epimutations in hematopoietic stem cells and acute myeloid leukemia.
Main Results:
- Identified substantial epigenetic variations across genomic regions during differentiation.
- Observed stepwise epimutation dynamics during lineage differentiation.
- Found epimutations enriched signals related to lineage differentiation.
- Linked epimutations in hematopoietic stem cells and acute myeloid leukemia to cell function and disease.
Conclusions:
- EpiMut provides a comprehensive epimutation map of human hematopoiesis.
- Epimutations play significant roles in normal hematopoietic regulation and malignant disorders.
- This study offers novel insights into the epigenetic mechanisms governing blood cell development.
More Related Videos
14:37Directed Differentiation of Primitive and Definitive Hematopoietic Progenitors from Human Pluripotent Stem Cells
Published on: November 1, 2017
11:40Retroviral Infection of Murine Embryonic Stem Cell Derived Embryoid Body Cells for Analysis of Hematopoietic Differentiation
Published on: October 20, 2014
Related Concept Videos
Hematopoiesis
Overview of Hematopoiesis
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...
Regulation of Hematopoietic Stem Cells
Lineage Commitment
Multipotency of Hematopoietic Stem Cells
Forced Transdifferentiation
Artificial...