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3D culturing of human pluripotent stem cells-derived endothelial cells for vascular regeneration.


ABSTRACT: Rationale: Human induced pluripotent stem cell-derived endothelial cells can be candidates for engineering therapeutic vascular grafts. Methods: Here, we studied the role of three-dimensional culture on their characteristics and function both in vitro and in vivo. Results: We found that differentiated hPSC-EC can re-populate decellularized biomatrices; they remain viable, undergo maturation and arterial/venous specification. Human PSC-EC develop antifibrotic, vasoactive and anti-inflammatory properties during recellularization. In vivo, a robust increase in perfusion was detected at the engraftment sites after subcutaneous implantation of an hPSC-EC-laden hydrogel in rats. Histology confirmed survival and formation of capillary-like structures, suggesting the incorporation of hPSC-EC into host microvasculature. In a canine model, hiPSC-EC-seeded onto decellularised vascular segments were functional as aortic grafts. Similarly, we showed the retention and maturation of hiPSC-EC and dynamic remodelling of the vessel wall with good maintenance of vascular patency. Conclusions: A combination of hPSC-EC and biomatrices may be a promising approach to repair ischemic tissues.

SUBMITTER: Gara E 

PROVIDER: S-EPMC9254250 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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<b>Rationale:</b> Human induced pluripotent stem cell-derived endothelial cells can be candidates for engineering therapeutic vascular grafts. <b>Methods:</b> Here, we studied the role of three-dimensional culture on their characteristics and function both <i>in vitro</i> and <i>in vivo</i>. <b>Results:</b> We found that differentiated hPSC-EC can re-populate decellularized biomatrices; they remain viable, undergo maturation and arterial/venous specification. Human PSC-EC develop antifibrotic, v  ...[more]

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