Soluble L-selectin in peripheral arterial disease: relationship with soluble E-selectin and soluble P-selectin


      Soluble L-selectin, E-selectin and P-selectin were measured in a small case control study of 42 patients with peripheral arterial disease and 42 age and sex matched controls. Levels of soluble L-selectin were 1204 ± 221 ng/ml (mean ± S.D.) in the patients compared to 1256 ± 271 ng/ml in the controls (P = 0.37). There was also no difference in levels of soluble E-selectin (57 ± 17 ng/ml versus 51 ± 20 ng/ml, P = 0.15) but levels of soluble P-selectin were increased (249 ± 101 ng/ml versus 198 ± 98 ng/ml, P = 0.011). There were no significant correlations between any of the selectins and the risk factors for atherosclerosis or with any leucocyte index. The data point to different mechanisms of release of the soluble selectins in peripheral atherosclerosis and may have important implications for leukocyte/endothelial cell interactions.


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