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Updated: Jun 22, 2026

Development of an In Vitro Assay to Quantitate Hematopoietic Stem and Progenitor Cells (HSPCs) in Developing Zebrafish Embryos

Development of an In Vitro Assay to Quantitate Hematopoietic Stem and Progenitor Cells (HSPCs) in Developing Zebrafish Embryos

Published on: November 30, 2017

Hematopoietic cell development in the zebrafish embryo.

Julien Y Bertrand¹, David Traver

¹Division of Biological Sciences, University of California, San Diego, La Jolla, California 92093-0380, USA.

Current Opinion in Hematology

|June 4, 2009

Summary

Recent research refines models of blood cell development. Studies in zebrafish clarify how hematopoietic stem cells form in vertebrate embryos, strengthening the hemogenic endothelium theory.

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Last Updated: Jun 22, 2026

Development of an In Vitro Assay to Quantitate Hematopoietic Stem and Progenitor Cells (HSPCs) in Developing Zebrafish Embryos

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Area of Science:

Developmental Biology
Hematopoiesis
Stem Cell Biology

Background:

Blood cell development models are continually refined by new experimental evidence.
Understanding hematopoietic ontogeny is crucial for both basic science and regenerative medicine.

Purpose of the Study:

To review recent experimental evidence refining models of blood cell development.
To discuss current models of hematopoietic ontogeny.
To provide perspective on research directions, particularly zebrafish studies on hematopoietic stem cell formation.

Main Methods:

Review of recently published experimental studies.
Analysis of data clarifying controversial topics in developmental hematopoiesis.
Focus on zebrafish as a model organism.

Main Results:

New studies have clarified concepts such as the hemangioblast and hemogenic endothelium.
Evidence strongly supports the model of hematopoietic stem cells arising from hemogenic endothelial intermediates.
Zebrafish studies offer insights into early hematopoietic stem cell development.

Conclusions:

Precise understanding of hematopoietic stem cell development has implications for developmental biology and regenerative medicine.
Knowledge of molecular processes is key to replicating hematopoietic stem cell formation in vitro.
Hematopoietic stem cells' role in lifelong, multilineage blood production underscores the importance of developmental studies.