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Related Concept Videos

Development of Blood Vessels01:07

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The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
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Updated: Sep 26, 2025

Generation of Human Blood Vessel Organoids from Pluripotent Stem Cells
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Trafficking in blood vessel development.

Caitlin R Francis1, Erich J Kushner2

  • 1Department of Biological Sciences, University of Denver, Denver, CO, 80210, USA.

Angiogenesis
|April 22, 2022
PubMed
Summary
This summary is machine-generated.

Vesicular trafficking, essential for blood vessel development, involves protein sorting crucial for angiogenesis. This review highlights how these trafficking pathways, particularly Rab GTPases, regulate vessel formation and function.

Keywords:
AngiogenesisBlood vesselDevelopmentEndocytosisEndothelialEndotheliumExocytosisJunctionsLumen formationRecyclingSproutingTraffickingVascular

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Area of Science:

  • Endothelial cell biology
  • Molecular and cellular mechanisms of vascular development

Background:

  • Blood vessel formation relies on complex signaling pathways.
  • Vesicular trafficking (protein sorting) in endothelial cells is critical but understudied.
  • Protein sorting dictates protein destination, influencing cell function.

Purpose of the Study:

  • To review the impact of vesicular trafficking on angiogenesis.
  • To emphasize the role of Rab GTPase family members in blood vessel development.

Main Methods:

  • Literature review of vesicular trafficking and angiogenesis.
  • Focus on Rab GTPases and their effectors in endothelial cells.

Main Results:

  • Vesicular trafficking influences key angiogenic processes: sprouting, lumen formation, vessel stabilization, and secretion.
  • Rab GTPases and their effectors are central regulators of these processes.

Conclusions:

  • Vesicular trafficking signatures are unique to endothelial cells and vital for vascular network formation.
  • Understanding these pathways offers insights into maintaining blood vessel integrity and function.