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1.
Cell Rep ; 26(10): 2566-2579.e10, 2019 03 05.
Artigo em Inglês | MEDLINE | ID: mdl-30840882

RESUMO

In this report we describe a human pluripotent stem cell-derived vascular progenitor (MesoT) cell of the mesothelium lineage. MesoT cells are multipotent and generate smooth muscle cells, endothelial cells, and pericytes and self-assemble into vessel-like networks in vitro. MesoT cells transplanted into mechanically damaged neonatal mouse heart migrate into the injured tissue and contribute to nascent coronary vessels in the repair zone. When seeded onto decellularized vascular scaffolds, MesoT cells differentiate into the major vascular lineages and self-assemble into vasculature capable of supporting peripheral blood flow following transplantation. These findings demonstrate in vivo functionality and the potential utility of MesoT cells in vascular engineering applications.


Assuntos
Epitélio/metabolismo , Células-Tronco Pluripotentes Induzidas/metabolismo , Medicina Regenerativa/métodos , Engenharia Tecidual/métodos , Linhagem da Célula , Humanos
2.
Trends Mol Med ; 24(7): 630-641, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-29802036

RESUMO

Vascular progenitor cells have been identified from perivascular cell fractions and peripheral blood and bone marrow mononuclear fractions. These vascular progenitors share the ability to generate some of the vascular lineages, including endothelial cells, smooth muscle cells, and pericytes. The potential therapeutic uses for vascular progenitor cells are broad and relate to stroke, ischemic disease, and to the engineering of whole organs and tissues that require a vascular component. This review summarizes the best-characterized sources of vascular progenitor cells and discusses advances in 3D printing and electrospinning using blended polymers for the creation of biomimetic vascular grafts. These advances are pushing the field of regenerative medicine closer to the creation of small-diameter vascular grafts with long-term clinical utility.


Assuntos
Vasos Sanguíneos/fisiologia , Endotélio Vascular/fisiologia , Neovascularização Fisiológica/fisiologia , Células-Tronco/fisiologia , Animais , Humanos , Engenharia Tecidual/métodos
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