OBJECTIVE: To evaluate the effects of a 14-day intensive insulin therapy and short-term improvement of glycemic control on serum levels of soluble forms of adhesion molecules, i.e., intercellular adhesion molecule-1 (sICAM-1), vascular cell adhesion molecule-1 (sVCAM-1), and E-selectin (sE-selectin) in NIDDM patients with poor glycemic control. RESEARCH DESIGN AND METHODS: A total of 16 NIDDM patients were compared with 23 healthy subjects (control group) and investigated before and after intensive insulin treatment. RESULTS: On day 0, sE-selectin and sVCAM-1 levels were significantly higher in NIDDM patients than in nondiabetic control subjects (median 87, range 63-115; median 544, range 408-797 vs. 58, 43-80; 443, 395-573 ng/ml, respectively) (P < 0.008 in both cases). On day 15, the fall in sE-selectin levels was significant (P < 0.0001) and at a lesser extent in sVCAM-1 levels (64, 48-85; 506, 417-678 ng/ml, respectively); these levels reached values that no longer differed from those of control subjects (P = 0.23 and 0.15, respectively). Moreover, the fall in sE-selectin was positively associated with the change in LDL cholesterol and the improvement of glycemia. CONCLUSIONS: In poorly controlled NIDDM patients, sE-selectin levels are increased and significantly fall to normal after short-term improvement of glycemic control. This suggests that assaying sE-selectin makes it possible to detect endothelium activation and to follow its reversal with euglycemia.
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Albertini et al. (1998) studied this question.