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|Title:||Improved Survival, Vascular Differentiation and Wound Healing Potential of Stem Cells Co-Cultured with Endothelial Cells||Authors:||Pedroso, Dora C. S.
|Issue Date:||Jan-2011||Publisher:||Public Library of Science||Citation:||PEDROSO, Dora C. S. [et al.] - Improved Survival, Vascular Differentiation and Wound Healing Potential of Stem Cells Co-Cultured with Endothelial Cells. "PLoS ONE". ISSN 1932-6203. 6:1 (2011) e16114||Serial title, monograph or event:||PLoS ONE||Volume:||6||Issue:||1||Abstract:||In this study, we developed a methodology to improve the survival, vascular differentiation and regenerative potential of umbilical cord blood (UCB)-derived hematopoietic stem cells (CD34+ cells), by co-culturing the stem cells in a 3D fibrin gel with CD34+-derived endothelial cells (ECs). ECs differentiated from CD34+ cells appear to have superior angiogenic properties to fully differentiated ECs, such as human umbilical vein endothelial cells (HUVECs). Our results indicate that the pro-survival effect of CD34+-derived ECs on CD34+ cells is mediated, at least in part, by bioactive factors released from ECs. This effect likely involves the secretion of novel cytokines, including interleukin-17 (IL-17) and interleukin-10 (IL-10), and the activation of the ERK 1/2 pathway in CD34+ cells. We also show that the endothelial differentiation of CD34+ cells in co-culture with CD34+-derived ECs is mediated by a combination of soluble and insoluble factors. The regenerative potential of this co-culture system was demonstrated in a chronic wound diabetic animal model. The co-transplantation of CD34+ cells with CD34+-derived ECs improved the wound healing relatively to controls, by decreasing the inflammatory reaction and increasing the neovascularization of the wound.||URI:||http://hdl.handle.net/10316/14426||ISSN:||1932-6203||DOI:||10.1371/journal.pone.0016114||Rights:||openAccess|
|Appears in Collections:||FCTUC Ciências da Vida - Artigos em Revistas Internacionais|
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