Oxidative modifications of glyceraldehyde 3-phosphate dehydrogenase regulate metabolic reprogramming of stored red blood cells

Author:

Reisz Julie A.1,Wither Matthew J.1,Dzieciatkowska Monika1,Nemkov Travis1,Issaian Aaron1,Yoshida Tatsuro2,Dunham Andrew J.2,Hill Ryan C.1,Hansen Kirk C.1,D’Alessandro Angelo1

Affiliation:

1. Department of Biochemistry and Molecular Genetics, University of Colorado Denver, Aurora, CO; and

2. New Health Sciences Inc, Boston, MA

Abstract

Key Points Reversible oxidation of GAPDH promotes metabolic reprogramming of stored RBCs, as gleaned through tracing with 13C1,2,3-glucose. Storage-induced redox imbalance promotes vesiculation of irreversibly oxidized GAPDH, as determined through switch-tag redox proteomics.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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