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Related Concept Videos

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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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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Hematopoiesis, or blood cell production, is a vital biological process that begins early in embryonic development and continues throughout life. This process generates the various types of cells found in blood, including red blood cells, white blood cells, and platelets from hematopoietic stem cells (HSCs).
Developmental Phases of Hematopoiesis
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Multipotency of Hematopoietic Stem Cells01:19

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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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Updated: Jan 3, 2026

Identification of Key Factors Regulating Self-renewal and Differentiation in EML Hematopoietic Precursor Cells by RNA-sequencing Analysis
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Single-Cell Sequencing in Normal and Malignant Hematopoiesis.

Nicola K Wilson1, Berthold Göttgens1

  • 1Department of Hematology, Cambridge Institute for Medical Research and Wellcome and MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK.

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Summary

Hematopoiesis research uses single-cell sequencing to reveal cell diversity and relationships. This helps understand normal development and disease states in adult stem cells.

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A Combinatorial Single-cell Approach to Characterize the Molecular and Immunophenotypic Heterogeneity of Human Stem and Progenitor Populations
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Area of Science:

  • Stem cell biology
  • Genomics
  • Cellular heterogeneity

Background:

  • Hematopoiesis is a well-established adult stem cell system.
  • It involves differentiation from stem cells to over 10 mature cell types.
  • Single-cell sequencing technologies are advancing rapidly.

Purpose of the Study:

  • To review recent studies applying single-cell sequencing to hematopoiesis.
  • To highlight insights into cell population heterogeneity and relationships.
  • To characterize differences between normal and diseased/perturbed states.

Main Methods:

  • Application of single-cell sequencing technologies.
  • Analysis of transcriptional profiles from individual cells.
  • Leveraging prior data on cell purification and analysis.

Main Results:

  • Revealed heterogeneity within hematopoietic cell populations.
  • Elucidated relationships between different cell populations.
  • Provided characterization of normal versus disease/perturbed states.

Conclusions:

  • Single-cell sequencing offers powerful insights into hematopoietic stem cell dynamics.
  • Understanding cellular heterogeneity is crucial for comprehending normal and abnormal hematopoiesis.
  • This approach aids in distinguishing healthy and diseased states.