Isolation of Endothelial Progenitor Cells from Human Umbilical Cord Blood

Overview

Journal J Vis Exp

Specialties Biology
General Medicine

Date 2017 Oct 11

PMID 28994769

Citations 7

Authors

Prashanth Ravishankar

M Alejandra Zeballos

Kartik Balachandran

Affiliations

Soon will be listed here.

Abstract

The existence of endothelial progenitor cells (EPCs) in peripheral blood and its involvement in vasculogenesis was first reported by Ashara and colleagues. Later, others documented the existence of similar types of EPCs originating from bone marrow. More recently, Yoder and Ingram showed that EPCs derived from umbilical cord blood had a higher proliferative potential compared to ones isolated from adult peripheral blood. Apart from being involved in postnatal vasculogenesis, EPCs have also shown promise as a cell source for creating tissue-engineered vascular and heart valve constructs. Various isolation protocols exist, some of which involve the cell sorting of mononuclear cells (MNCs) derived from the sources mentioned earlier with the help of endothelial and hematopoietic markers, or culturing these MNCs with specialized endothelial growth medium, or a combination of these techniques. Here, we present a protocol for the isolation and culture of EPCs using specialized endothelial medium supplemented with growth factors, without the use of immunosorting, followed by the characterization of the isolated cells using Western blotting and immunostaining.

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