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. 2010 Jun;162(6):1101-5.
doi: 10.1530/EJE-10-0049. Epub 2010 Mar 23.

Inflammatory and endothelial dysfunction markers and proteinuria in persons with type 1 diabetes mellitus

Karine Sahakyan  1 , Barbara E K Klein, Kristine E Lee, Michael Y Tsai, Ronald Klein
Affiliations

Inflammatory and endothelial dysfunction markers and proteinuria in persons with type 1 diabetes mellitus

Karine Sahakyan et al. Eur J Endocrinol. 2010 Jun.

Abstract

Objective: We examined the relationship of inflammatory and endothelial dysfunction markers with the prevalence and incidence of gross proteinuria (GP) in persons with type 1 diabetes mellitus.

Design: A longitudinal population-based cohort of persons with type 1 diabetes mellitus was followed from 1990-1992 through 2005-2007.

Methods: Prevalence and 15-year cumulative incidence of GP were defined as outcome variables. Serum high-sensitivity C-reactive protein (hsCRP), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-alpha), soluble vascular cell adhesion molecule-1 (VCAM-1), soluble intercellular adhesion molecule-1, and serum total homocysteine were measured. Multivariate logistic and discrete linear logistic regression modeling was used for data analysis.

Results: After controlling for duration of diabetes and other confounding factors, TNF-alpha (odds ratio (OR) 3.64; 95% confidence interval (CI) 2.33, 5.70), IL-6 (OR 1.41; 95% CI 1.06, 1.88), VCAM-1 (OR 13.35; 95% CI 5.39, 33.07), and homocysteine (OR 2.98; 95% CI 1.73, 5.16) were associated with prevalent proteinuria. Only hsCRP (OR 1.47; 95% CI 1.02, 2.11) was associated with incident proteinuria.

Conclusions: These findings suggest a role of inflammation and endothelial dysfunction as markers and contributors of the development of diabetic nephropathy in persons with type 1 diabetes mellitus.

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