Crosstalk between Stem and Progenitor Cellular Mediators with Special Emphasis on Vasculogenesis
Rokhsareh Rohban1,2, Barbara Prietl1,3, Thomas R Pieber1,3,4
1Department of Internal Medicine, Division of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria.
Summary
This review explores cellular signaling in blood vessel formation (vasculogenesis). It highlights how stem cell interactions, particularly hematopoietic stem cell-endothelial progenitor cell crosstalk, drive this process and offers therapeutic potential.
Area of Science:
- Cardiovascular Biology
- Stem Cell Biology
- Regenerative Medicine
Background:
- Vasculogenesis, the formation of new blood vessels, is a complex process involving cellular signaling.
- Decades of research have focused on understanding the regulatory mechanisms of vasculogenesis.
- Key cellular players include hematopoietic stem cells, endothelial progenitor cells, and mesenchymal stem and progenitor cells within the vascular niche.
Purpose of the Study:
- To review the signaling signatures between stem and progenitor cells during vasculogenesis.
- To elucidate the role of cellular crosstalk in the vascular microenvironment.
- To discuss the therapeutic implications of these signaling pathways for regenerative therapy.
Main Methods:
- Literature review of recent studies on vasculogenesis signaling.
- Analysis of signaling pathways involved in stem and progenitor cell interactions.
- Focus on vascular endothelial growth factor, wingless, and Notch signaling pathways.
Main Results:
- Recent studies reveal the critical impact of cellular crosstalk on vasculogenesis.
- Specific signaling pathways, including VEGF, Wnt, and Notch, are key regulators.
- Hematopoietic stem cell-endothelial progenitor cell interactions are particularly significant.
Conclusions:
- Understanding stem cell signaling is crucial for comprehending vasculogenesis.
- Targeting stem cell crosstalk presents promising avenues for therapeutic interventions.
- This knowledge can advance regenerative medicine strategies for vascular repair.
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