acetylcholine + blood

Acetylcholine + blood is an experimental combination used in clinical research, specifically in studies led by Mark Gladwin, to investigate the physiological impact of blood storage duration on vascular health. Acetylcholine is administered intra-arterially as a pharmacological probe to induce endothelium-dependent vasodilation by stimulating the release of nitric oxide (NO). This response is measured in the presence of autologous blood stored for varying durations (e.g., 5-10 days versus 35-42 days). The research aims to characterize the 'storage lesion' in banked blood, where aged red blood cells may release cell-free hemoglobin and microparticles that scavenge NO, thereby impairing the vasodilatory response and potentially contributing to transfusion-related complications.

Other names

Acetylcholine and Blood