AIMS: To clarify the correlation between serum concentrations of soluble adhesion molecules and diabetic microangiopathy or macroangiopathy in patients with Type 2 diabetes. METHODS: Patients with diabetic retinopathy and intima-media thickness of common carotid artery (CCA-IMT) < 1.1 mm were classified as the microangiopathy group (n = 62). Patients with CCA-IMT > or = 1.1 mm and without retinopathy were classified as the macroangiopathy group (n = 95). Patients with CCA-IMT < 0.9 mm and without retinopathy were assigned to the no complications group (n = 139). Clinical characteristics and soluble intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), and E-selectin levels were compared between the groups. RESULTS: Patients with microangiopathy had a significantly longer duration of diabetes, were hypertensive and more likely to have a positive family history of diabetes than the control group. Patients with macroangiopathy were more likely to be smokers, hypertensive, and have a family history of hypertension. Soluble ICAM-1, VCAM-1, and E-selectin levels were significantly higher in the microangiopathy group than in the control group. Soluble VCAM-1 and E-selectin levels, but not ICAM-1 levels, were significantly elevated in the macroangiopathy group. These results were unchanged after adjustment for age, sex, duration of diabetes, blood pressure, HbA1c, HDL-cholesterol, and smoking status. CONCLUSIONS: Our results suggest that soluble adhesion molecules are related to both diabetic micro- and macroangiopathy. The relative contributions of adhesion molecules may be greater in the former than latter patients with Type 2 diabetes.
AIMS: To clarify the correlation between serum concentrations of soluble adhesion molecules and diabetic microangiopathy or macroangiopathy in patients with Type 2 diabetes. METHODS:Patients with diabetic retinopathy and intima-media thickness of common carotid artery (CCA-IMT) < 1.1 mm were classified as the microangiopathy group (n = 62). Patients with CCA-IMT > or = 1.1 mm and without retinopathy were classified as the macroangiopathy group (n = 95). Patients with CCA-IMT < 0.9 mm and without retinopathy were assigned to the no complications group (n = 139). Clinical characteristics and soluble intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), and E-selectin levels were compared between the groups. RESULTS:Patients with microangiopathy had a significantly longer duration of diabetes, were hypertensive and more likely to have a positive family history of diabetes than the control group. Patients with macroangiopathy were more likely to be smokers, hypertensive, and have a family history of hypertension. Soluble ICAM-1, VCAM-1, and E-selectin levels were significantly higher in the microangiopathy group than in the control group. Soluble VCAM-1 and E-selectin levels, but not ICAM-1 levels, were significantly elevated in the macroangiopathy group. These results were unchanged after adjustment for age, sex, duration of diabetes, blood pressure, HbA1c, HDL-cholesterol, and smoking status. CONCLUSIONS: Our results suggest that soluble adhesion molecules are related to both diabetic micro- and macroangiopathy. The relative contributions of adhesion molecules may be greater in the former than latter patients with Type 2 diabetes.
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