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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Haematologica
2016 ; 101
(5
): 578-86
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Metabolic pathways that correlate with post-transfusion circulation of stored
murine red blood cells
#MMPMID26921359
de Wolski K
; Fu X
; Dumont LJ
; Roback JD
; Waterman H
; Odem-Davis K
; Howie HL
; Zimring JC
Haematologica
2016[May]; 101
(5
): 578-86
PMID26921359
show ga
Transfusion of red blood cells is a very common inpatient procedure, with more
than 1 in 70 people in the USA receiving a red blood cell transfusion annually.
However, stored red blood cells are a non-uniform product, based upon
donor-to-donor variation in red blood cell storage biology. While thousands of
biological parameters change in red blood cells over storage, it has remained
unclear which changes correlate with function of the red blood cells, as opposed
to being co-incidental changes. In the current report, a murine model of red
blood cell storage/transfusion is applied across 13 genetically distinct mouse
strains and combined with high resolution metabolomics to identify metabolic
changes that correlated with red blood cell circulation post storage. Oxidation
in general, and peroxidation of lipids in particular, emerged as changes that
correlated with extreme statistical significance, including generation of
dicarboxylic acids and monohydroxy fatty acids. In addition, differences in
anti-oxidant pathways known to regulate oxidative stress on lipid membranes were
identified. Finally, metabolites were identified that differed at the time the
blood was harvested, and predict how the red blood cells perform after storage,
allowing the potential to screen donors at time of collection. Together, these
findings map out a new landscape in understanding metabolic changes during red
blood cell storage as they relate to red blood cell circulation.