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Related Concept Videos

Lineage Commitment01:21

Lineage Commitment

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Commitment is the  process whereby stem cells:
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The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
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Production of Formed Elements01:34

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Hemangioblasts are multipotent stem cells originating from the mesoderm. They give rise to hematopoietic stem cells (HSCs), which undergo hematopoiesis to produce all the formed elements of blood. This process is regulated by a complex network of hematopoietic growth factors, including transcription factors, growth factors, and cytokines. These factors stimulate the HSCs to divide and differentiate, though some HSCs remain undifferentiated to maintain a self-renewing pool.
Most HSCs commit to...
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Hematopoiesis01:21

Hematopoiesis

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The process of blood cell formation is called hematopoiesis. Hematopoiesis starts early during development, on the seventh day of embryogenesis. This phase of hematopoiesis is called the primitive wave, wherein the extraembryonic yolk sac allows the production of erythroid cells and endothelial cells from a common precursor called hemangioblast. The erythroid cells provide oxygen to support the growth of the rapidly dividing embryo. Hemangioblasts later develop into hematopoietic stem cells or...
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Regulation of Hematopoietic Stem Cells01:01

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All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
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Differentiation of Common Myeloid Progenitor Cells01:15

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Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
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Updated: Jul 5, 2025

Directed Differentiation of Primitive and Definitive Hematopoietic Progenitors from Human Pluripotent Stem Cells
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Multi-lineage Differentiation from Hematopoietic Stem Cells.

Xiaoshuang Wang1,2, Siqi Liu3, Jia Yu4,5

  • 1The State Key Laboratory for Complex, Severe, and Rare Diseases, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences / Peking Union Medical College, Beijing, China. wangxs@ibms.pumc.edu.cn.

Advances in Experimental Medicine and Biology
|January 16, 2024
PubMed
Summary
This summary is machine-generated.

Hematopoietic stem cells (HSCs) differentiate into all blood cells by regulating gene expression. This review explores HSC differentiation mechanisms and how single-cell technologies reveal lineage-biased subpopulations.

Keywords:
Epigenetic regulationHematopoietic stem cellLineage differentiationNon-coding RNASingle-cell technologyTranscription factor networks

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Area of Science:

  • Hematology
  • Stem Cell Biology
  • Molecular Biology

Background:

  • Hematopoietic stem cells (HSCs) possess the unique capacity for self-renewal and differentiation into all mature blood cell types.
  • HSC differentiation is a tightly regulated process involving progressive loss of self-renewal potential and commitment to specific lineages.
  • Understanding HSC differentiation is crucial for regenerative medicine and treating blood disorders.

Approach:

  • This review summarizes current knowledge on the molecular mechanisms governing HSC differentiation.
  • It examines the regulation of lineage-specific gene expression during erythroid, myeloid, and lymphocyte development.
  • The role of advanced single-cell technologies in dissecting lineage-biased HSC subpopulations is discussed.

Key Points:

  • Lineage commitment in HSCs involves precise control over gene expression.
  • Molecular pathways dictate the differentiation trajectory toward specific blood cell types.
  • Single-cell technologies provide unprecedented resolution for studying HSC heterogeneity and differentiation potential.

Conclusions:

  • A comprehensive understanding of HSC differentiation mechanisms is essential for harnessing their therapeutic potential.
  • Single-cell analyses are revolutionizing the study of lineage-biased HSCs and their developmental pathways.
  • Further research integrating molecular and technological advancements will deepen our insight into blood cell formation.