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AIM: The main goal of the present study was the evaluation of ischemia-modified albumin (IMA) in patients with type 2 diabetes mellitus and estimation of its connection with vascular complications, glycemic control, hypertension, dyslipidemia and obesity. METHODS: In 76 diabetic patients and 25 control subjects, a plasma level of IMA by manually performed, spectrophotometric Co (II) -albumin binding assay was determined. Other parameters such as glucose, fructosamine, HbA₁₂, total cholesterol and its fractions (HDL, LDL), triglicerydes were estimated by routine methods. RESULTS: Diabetic patients had significantly higher level of IMA in comparison with control subjects. There were not significant differences between groups with various states of vascular complications although the lowest concentration of IMA was observed in patients with microangiopathy. Patients with poor glycemic control had higher IMA level in comparison with these with good glycemic control. Significant correlation was observed between IMA and HbA₁₂. Among the risk factors, only blood pressure and LDL showed a weak relationship with IMA level. CONCLUSIONS: Our results revealed, for the first time, higher level of IMA in diabetic patients which confirms that it may be of non-cardiac origin. We can suggest that the albumin molecule in plasma of diabetic patients is modified in the chronic hypoxia conditions provoked mainly by hyperglycemia and oxidative stress in diabetes.
Piwowar et al. (Tue,) studied this question.