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Region Hovedstaden - en del af Københavns Universitetshospital
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Association of Changes in Inflammation with Changes in Glycemia, Insulin Resistance and Secretion: a DIRECT study based on KORA

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  • Tonia de Las Heras Gala
  • Christian Herder
  • Femke Rutters
  • Maren Carstensen-Kirberg
  • Cornelia Huth
  • Coen D A Stehouwer
  • Giel Nijpels
  • Casper Schalkwijk
  • Allan Flyvbjerg
  • Paul W Franks
  • Jacqueline Dekker
  • Christa Meisinger
  • Wolfgang Koenig
  • Michael Roden
  • Wolfgang Rathmann
  • Annette Peters
  • Barbara Thorand
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AIMS: Subclinical systemic inflammation may contribute to the development of type 2 diabetes, but its association with early progression of glycemic deterioration in persons without diabetes has not been fully investigated. Our primary aim was to assess longitudinal associations of changes in pro- (leukocytes, high-sensitivity C-reactive protein (hsCRP)) and anti-inflammatory (adiponectin) markers with changes in markers that assessed glycemia, insulin resistance and secretion (HbA1c , HOMA-IR, HOMA-ß). Furthermore, we aimed to directly compare longitudinal with cross-sectional associations.

MATERIALS AND METHODS: This study includes 819 initially non-diabetic individuals with repeated measurements from the KORA S4/F4 cohort study (median follow-up: 7.1 years). Longitudinal and cross-sectional associations were simultaneously examined using linear mixed growth models. Changes in markers of inflammation were used as independent and changes in markers of glycemia/insulin resistance/insulin secretion as dependent variables. Models were adjusted for age, sex and major lifestyle and metabolic risk factors for diabetes using time-varying variables in the final model.

RESULTS: Changes of leukocyte count were positively associated with changes in HbA1c and HOMA-ß while changes in adiponectin were inversely associated with changes in HbA1c . All examined cross-sectional associations were statistically significant; they were generally stronger and mostly directionally consistent to the longitudinal association estimates.

CONCLUSIONS: Adverse changes in low-grade systemic inflammation go along with glycemic deterioration and increased insulin secretion independently of changes in other risk factors, suggesting that low-grade inflammation may contribute to the development of hyperglycemia and a compensatory increase in insulin secretion.

OriginalsprogEngelsk
TidsskriftDiabetes - Metabolism: Research and Reviews (Online)
Vol/bind34
Udgave nummer8
Sider (fra-til)e3063
ISSN1520-7560
DOI
StatusUdgivet - nov. 2018

ID: 55046079