Browsing Department of Anesthesiology and Perioperative Medicine: Faculty Research and Presentaions by Subjects
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Synergistic Enhancement of Sickle Red Blood Cell Adhesion to Endothelium by Hypoxia and Low Nitric Oxide BioavailabilityThe mechanisms underlying sickle red blood cell (RBC) adhesion to the endothelium, which constitutes a major pathologic event in sickle cell disease (SCD), are not fully understood. Adhesion of sickle RBCs to endothelial cells is believed to be regulated by multiple hematologic and physiologic factors including fetal hemoglobin levels, leukocyte count, oxygen tension, inflammatory cytokines, and nitric oxide (NO) bioavailability, but the extent to which each parameter contributes to sickle RBC adhesion remains unclear. Our objective was to examine how the adhesion of sickle RBCs to endothelium is affected by hypoxia and NO bioavailability using an in vivo system.