Endothelial differentiation of canine yolk sac cells transduced with VEGF
2016
Abstract Yolk sac (YS) is the site of blood-cell production where primitive erythroid cells originate and complete their maturation. YS is a source of precursor cells, however its differentiation potential and suitability for cell therapies are not well described. YS can be a cell source when neovascularization is required. This study characterized YS canine cells, transduced with VEGF, to analyze then using Immunocytochemistry, flow cytometry and real time PCR. Immunocytochemistry: positive expression for CD105, PCNA, VEGF and vWF, flow cytometry for CD105, VEGF, PCNA, OCT-4 and RT-qPCR for VEGF , CD31 , CD105 , PCNA and FLT – 1 , indicating that these cells have characteristics of endothelial progenitor and pluripotency. After transduction, the YS cells changed their morphology and showed endothelial-like cells. We suggest, because of their cell surface phenotype as well as their capacity to differentiate into endothelial-like cells, that canine YS represents a source of cells for neovascularization therapies.
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