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Change in the amount of body fat and IL-6 levels is related to altered insulin sensitivity in type 1 diabetes patients with or without diabetic nephropathy
Department of Molecular and Clinical Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.
2011 (English)In: Hormone and Metabolic Research, ISSN 0018-5043, E-ISSN 1439-4286, Vol. 43, no 3, 209-215 p.Article in journal (Refereed) Published
Abstract [en]

Insulin resistance (IR) is found early-on in renal disease. The aim of this study was to prospectively evaluate if a change in glomerular filtration rate (GFR) or in endocrine and inflammatory factors over time alters insulin sensitivity in patients with type 1 diabetes (T1D) or without diabetic nephropathy (DN) at baseline. 20 T1D with (DN+, n=12) or without DN (DN–, n=8) were re-examined after 5.0±0.4 years. GFR was determined by 51Cr-EDTA clearance. Insulin sensitivity was assessed by hyperinsulinemic (56 mU/m2/min), euglycemic clamp (M-value at steady state during clamp) and calculated per lean body mass. Body composition was determined by bioimpedance. No association was found between change in GFR and change in M-value over time. Instead, change in M-value was associated to change in fat mass (%) and change in IL-6 levels in all subjects taken together (r=−0.55, p=0.012 and r=−0.62, p=0.006). These association were verified in the multivariate regression analyses. Findings were similar in DN − and DN +, respectively, but the change in IL-6 was only significantly associated with altered M-value in DN+ subjects. This prospective study indicates that change in amount body fat and levels of inflammatory cytokines, such as IL-6, contribute to change in insulin resistance over time in type 1 diabetes patients with and without diabetic nephropathy.

Place, publisher, year, edition, pages
2011. Vol. 43, no 3, 209-215 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-211239DOI: 10.1055/s-0031-1271622PubMedID: 21321840OAI: oai:DiVA.org:uu-211239DiVA: diva2:666193
Available from: 2013-11-22 Created: 2013-11-21 Last updated: 2013-11-28Bibliographically approved

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