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Early changes in glomerular size selectivity in young adults with type 1 diabetes and retinopathy. Results from the Diabetes Incidence Study in Sweden
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2007 (English)In: Journal of diabetes and its complications, ISSN 1056-8727, Vol. 21, no 4, 246-251 p.Article in journal (Refereed) Published
Abstract [en]

Objective: To investigate the relationship between early-onset retinopathy and urinary markers of renal dysfunction. Research Design and Methods: The Diabetes Incidence Study in Sweden (DISS) aims to register all new cases of diabetes in young adults (15-34 years). In 1987-1988, 806 patients were reported and later invited to participate in a follow-up study focusing on microvascular complications after ∼10 years of diabetes. In the present study, 149 patients with type 1 diabetes, completed eye examination, and urine sampling were included. Results: The patients with retinopathy (n=58, 39%) had higher HbA1c (P<.001) and urinary IgG2/creatinine (P<.05) and IgG2/IgG4 ratios (P<.05). Patients with maculopathy had the highest levels. No significant differences in urinary albumin/creatinine, glycosaminoglycans (GAGs)/creatinine, Tamm-Horsfall protein (THP)/creatinine, and IgG4/creatinine ratios were found. Women had higher urinary albumin/creatinine (P<.01) and urinary IgG2/creatinine ratios (P<.01) than men. Conclusions: Young adults with type 1 diabetes and early-onset retinopathy had higher IgG2/creatinine and IgG2/IgG4 ratios than patients without retinopathy indicating that retinopathy is associated with a change in glomerular size selectivity. This was found in association with normal urinary albumin and THP excretion and may be suspected to reflect early general vascular changes. © 2007 Elsevier Inc. All rights reserved.

Place, publisher, year, edition, pages
2007. Vol. 21, no 4, 246-251 p.
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Medical and Health Sciences
URN: urn:nbn:se:liu:diva-41860DOI: 10.1016/j.jdiacomp.2006.01.002Local ID: 59258OAI: diva2:262715
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2011-01-11

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Arnqvist, Hans
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Faculty of Health SciencesDivision of cell biologyDepartment of Endocrinology and Gastroenterology UHL
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Journal of diabetes and its complications
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