Enzymatic blood group conversion of human kidneys during ex vivo normothermic machine perfusion

Author:

MacMillan Serena1ORCID,Hosgood Sarah A1ORCID,Nicholson Michael L1

Affiliation:

1. Department of Surgery, University of Cambridge , Cambridge , UK

Abstract

A major restriction to transplantation is the requirement for ABO blood group compatibility between donor and recipient. In this study, an α-galactosidase enzyme from Bacteroides fragilis was used successfully to remove type B blood group antigens enzymatically from human kidneys using ex vivo normothermic machine perfusion. This provides the first step for a strategy to overcome the ABO barrier in kidney transplantation.

Funder

National Institute for Health Research

Blood and Transplant Research Unit

University of Cambridge

Newcastle University

NHS Blood and Transplant

Publisher

Oxford University Press (OUP)

Subject

Surgery

Reference16 articles.

1. Experiences with renal homotransplantation in the human: report of nine cases;Hume;J Clin Invest,1955

2. Renal homografts in patients with major donor–recipient blood group incompatibilities;Starzl;Surgery,1964

3. Significance of the positive crossmatch test in kidney transplantation;Patel;N Engl J Med,1969

4. Tissue distribution of histo-blood group antigens;Ravn;APMIS,2000

5. Blood group A and B antigen expression in human kidneys correlated to A1/A2/B, Lewis, and secretor status;Breimer;Transplantation,2006

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