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Related Experiment Video

Updated: Jun 13, 2026

Isolation of Endothelial Progenitor Cells from Human Umbilical Cord Blood
07:26

Isolation of Endothelial Progenitor Cells from Human Umbilical Cord Blood

Published on: September 14, 2017

Human umbilical cord blood endothelial progenitor cells decrease vein graft neointimal hyperplasia in SCID mice.

Shoukang Zhu1, Anuj Malhotra, Lisheng Zhang

  • 1Miller School of Medicine, University of Miami, FL 33101, USA.

Atherosclerosis
|May 11, 2010
PubMed
Summary
This summary is machine-generated.

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Human umbilical cord blood cells promote vein graft healing by enhancing endothelial regeneration and reducing inflammation, offering a potential cellular therapy for vessel injury.

Area of Science:

  • Vascular biology
  • Regenerative medicine
  • Cellular therapy

Background:

  • Vein graft endothelial damage contributes to neointimal hyperplasia and graft failure.
  • Neointimal hyperplasia is a significant cause of vascular graft failure.

Purpose of the Study:

  • To investigate if exogenous endothelial progenitor cells can enhance vein graft re-endothelialization.
  • To determine if endothelial progenitor cells can ameliorate neointimal hyperplasia.

Main Methods:

  • Carotid artery interposition grafting in SCID mice using syngeneic inferior vena cavae.
  • Intra-operative and post-operative injection of lineage-negative human umbilical cord blood (hUCB) cells.
  • Analysis of endothelial cell presence, growth factors (VEGF, FGF-2), and neointimal hyperplasia.

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Implantation of Inferior Vena Cava Interposition Graft in Mouse Model
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Published on: June 4, 2014

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Last Updated: Jun 13, 2026

Isolation of Endothelial Progenitor Cells from Human Umbilical Cord Blood
07:26

Isolation of Endothelial Progenitor Cells from Human Umbilical Cord Blood

Published on: September 14, 2017

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model
12:39

Implantation of Inferior Vena Cava Interposition Graft in Mouse Model

Published on: June 4, 2014

Main Results:

  • Human endothelial cells were detected in grafts from hUCB cell-treated mice.
  • Increased VEGF and FGF-2 levels were observed, with hUCB cells secreting these factors in vitro.
  • Enhanced endothelial regeneration, reduced inflammation, and diminished neointimal hyperplasia were noted.

Conclusions:

  • hUCB cells accelerate vein graft re-endothelialization through direct differentiation and paracrine effects.
  • Cellular therapy using hUCB cells shows potential for treating vessel injury and preventing graft failure.