Objectives: To study membrane proteins modifications in Senescent Red Blood Cells (SeRBC). DESIGN ANDMETHODS: SeRBC were obtained on Percoll gradients. Membrane proteins were analyzed by SDS-PAGE, band 3 by immunoblotting, and protein oxidation by measuring the carbonyl groups.
Results: Densitometric analysis showed no change in SeRBC while an increase in band 3 and its degradation products was found. An increase of protein oxidation level was found in SeRBC.
Conclusions: These findings provide further experimental evidence about protein modifications occurring during the RBC lifespan.
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| http://dx.doi.org/10.1016/j.clinbiochem.2010.06.004 | DOI Listing |
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