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Micropatterning and Assembly of 3D Microvessels
Published on: September 9, 2016
Micropatterned three-dimensional hydrogel system to study human endothelial-mesenchymal stem cell interactions.
Sasa Trkov1, George Eng, Rosa Di Liddo
1Department of Pharmaceutical Sciences, University of Padua, Padua, Italy.
Journal of Tissue Engineering and Regenerative Medicine
|December 10, 2009
Summary
Bone marrow mesenchymal stem cells (MSCs) show distance-dependent migration towards endothelial cells, forming stable vascular networks. This finding is crucial for engineering vascularized tissues.
Area of Science:
- Tissue Engineering
- Regenerative Medicine
- Biomaterials Science
Background:
- Vascularization is critical for engineered tissues.
- Optimal cell types for vascular network formation are unclear.
Purpose of the Study:
- Investigate vasculogenic potential of different human mesenchymal stem cell (MSC) sources.
- Develop a model to study cell-cell interactions for tissue engineering.
Main Methods:
- Isolated and characterized MSCs from bone marrow, umbilical cord vein, and artery.
- Co-cultured MSCs with human umbilical vein endothelial cells (HUVECs) in a 3D fibrin hydrogel.
- Utilized microfluidic patterning to control cell spatial localization.
Main Results:
- All MSCs exhibited similar differentiation potential.
- Bone marrow MSCs demonstrated distance-dependent migration towards HUVECs.
- Bone marrow MSCs supported the formation of stable, capillary-like vascular networks.
Conclusions:
- Bone marrow-derived MSCs are promising for engineering vascularized tissues.
- The study presents a robust model for investigating vascular network formation.
- Understanding MSC-endothelial cell interactions is key for tissue engineering advancements.
