Membrane proteomics offers unprecedented possibilities to compare protein expression in health and disease leading potentially to the identification of markers, of targets for therapeutics and to a better understanding of disease mechanisms. From transfusion medicine to infectious diseases, from cardiovascular affections to diabetes, comparative proteomics has made a contribution to the identification of proteins unique to RBCs of patients with specific illnesses shedding light on possible RBC markers for systemic diseases. In this review we will provide a short overview of some of the main achievements obtained by comparative proteomics in the field of RBC-related local and systemic diseases and suggest some additional areas of RBCs research to which comparative proteomics approaches could be fruitfully applied or extended in combination with biochemical techniques.
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