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Robust Revascularization in Models of Limb Ischemia Using a Clinically Translatable Human Stem Cell-Derived Endothelial Cell Product

  • Mark G MacAskill
  • , Jaimy Saif
  • , Alison Condie
  • , Maurits A Jansen
  • , Thomas J MacGillivray
  • , Adriana A S Tavares
  • , Lucija Fleisinger
  • , Helen L Spencer
  • , Marie Besnier
  • , Ernesto Martin
  • , Giovanni Biglino
  • , David E Newby
  • , Patrick W F Hadoke
  • , Joanne C Mountford
  • , Costanza Emanueli
  • , Andrew H Baker
  • University/BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK; Edinburgh Imaging, University of Edinburgh, Edinburgh, UK.
  • Scottish National Blood Transfusion Service, Edinburgh, UK.
  • Edinburgh Imaging, University of Edinburgh, Edinburgh, UK.
  • University of Edinburgh
  • Experimental Cardiovascular Medicine Division, Bristol Heart Institute, University of Bristol, Bristol, UK.
  • Scottish National Blood Transfusion Service, Edinburgh, UK; Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK.
  • Experimental Cardiovascular Medicine Division, Bristol Heart Institute, University of Bristol, Bristol, UK; National Heart and Lung Institute, Imperial College London, London, UK.
  • University/BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK. Electronic address: [email protected].

Research output: Contribution to journalArticlepeer-review

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Abstract

Pluripotent stem cell-derived differentiated endothelial cells offer high potential in regenerative medicine in the cardiovascular system. With the aim of translating the use of a human stem cell-derived endothelial cell product (hESC-ECP) for treatment of critical limb ischemia (CLI) in man, we report a good manufacturing practice (GMP)-compatible protocol and detailed cell tracking and efficacy data in multiple preclinical models. The clinical-grade cell line RC11 was used to generate hESC-ECP, which was identified as mostly endothelial (60% CD31+/CD144+), with the remainder of the subset expressing various pericyte/mesenchymal stem cell markers. Cell tracking using MRI, PET, and qPCR in a murine model of limb ischemia demonstrated that hESC-ECP was detectable up to day 7 following injection. Efficacy in several murine models of limb ischemia (immunocompromised/immunocompetent mice and mice with either type I/II diabetes mellitus) demonstrated significantly increased blood perfusion and capillary density. Overall, we demonstrate a GMP-compatible hESC-ECP that improved ischemic limb perfusion and increased local angiogenesis without engraftment, paving the way for translation of this therapy.

Original languageEnglish
Pages (from-to)1669-1684
Number of pages16
JournalMolecular Therapy
Volume26
Issue number7
DOIs
Publication statusPublished - 5 Jul 2018

Bibliographical note

© 2018 The Authors. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Animals
  • Biomarkers/metabolism
  • Cell Differentiation/physiology
  • Cell Line
  • Embryonic Stem Cells/cytology
  • Endothelial Cells/cytology
  • Hindlimb/cytology
  • Humans
  • Ischemia/metabolism
  • Mesenchymal Stem Cells/cytology
  • Mice
  • Neovascularization, Physiologic/physiology
  • Pericytes/cytology
  • Pluripotent Stem Cells/cytology
  • Stem Cell Transplantation/methods

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