Sickle RBC are abnormally adherent to vascular endothelial cells. We briefly review the mechanisms that underlie this type of cell/cell adhesion, expose a number of extant myths about RBC adhesion, and discuss some aspects that need consideration via future experimentation. The relationship of this phenomenon of RBC-endothelial adhesion to the cytoadherence of parasitized sickle RBC is not yet clear.
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