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Downregulation of genes involved in NF[kappa]B activation in peripheral blood mononuclear cells after weight loss is associated with the improvement of insulin sensitivity in individuals with the metabolic syndrome: the GENOBIN study

The transcription factor nuclear factor-kappa-B (NFκB) is implicated in inflammatory responses, obesity and the metabolic syndrome, while immune cells appear to play a central role in mediating insulin resistance and can be used as a model to study inflammation and its relationship with insulin resi... Full description

Journal Title: Diabetologia 2008, Vol.51 (11), p.2060
Main Author: V D F de Mello
Other Authors: M Kolehmainen , L Pulkkinen , U Schwab , U Mager , D E Laaksonen , L Niskanen , H Gylling , M Atalay , R Rauramaa , M Uusitupa
Format: Electronic Article Electronic Article
Language: English
Publisher: Heidelberg: Springer Nature B.V
ID: ISSN: 0012-186X
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title: Downregulation of genes involved in NF[kappa]B activation in peripheral blood mononuclear cells after weight loss is associated with the improvement of insulin sensitivity in individuals with the metabolic syndrome: the GENOBIN study
format: Article
creator:
  • V D F de Mello
  • M Kolehmainen
  • L Pulkkinen
  • U Schwab
  • U Mager
  • D E Laaksonen
  • L Niskanen
  • H Gylling
  • M Atalay
  • R Rauramaa
  • M Uusitupa
ispartof: Diabetologia, 2008, Vol.51 (11), p.2060
description: The transcription factor nuclear factor-kappa-B (NFκB) is implicated in inflammatory responses, obesity and the metabolic syndrome, while immune cells appear to play a central role in mediating insulin resistance and can be used as a model to study inflammation and its relationship with insulin resistance. In peripheral blood mononuclear cells of overweight participants with the metabolic syndrome, we evaluated (1) the effect of diet-induced weight loss on the expression of genes involved in NFκB activation and (2) their association with insulin sensitivity. The genes studied were: TNF receptors TNFRSF1A and TNFRSF1B, and IL1R1, TLR4, TLR2, ICAM1, CCL5 and IKBKB. We analysed data from 34 overweight participants with abnormal glucose metabolism and the metabolic syndrome, who were randomised to a weight-reduction (n=24) or control group (n=10) for 33 weeks. The mRNA expression was measured using real-time PCR. Measures of insulin and glucose homeostasis were assessed by IVGTT and OGTT. In general, the genes studied were downregulated after weight loss intervention. The changes in TLR4, TLR2, CCL5 and TNFRSF1A mRNA expression were associated with an increase in insulin sensitivity index independently of the change in waist circumference (p
language: eng
source:
identifier: ISSN: 0012-186X
fulltext: no_fulltext
issn:
  • 0012-186X
  • 1432-0428
url: Link


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titleDownregulation of genes involved in NF[kappa]B activation in peripheral blood mononuclear cells after weight loss is associated with the improvement of insulin sensitivity in individuals with the metabolic syndrome: the GENOBIN study
creatorV D F de Mello ; M Kolehmainen ; L Pulkkinen ; U Schwab ; U Mager ; D E Laaksonen ; L Niskanen ; H Gylling ; M Atalay ; R Rauramaa ; M Uusitupa
creatorcontribV D F de Mello ; M Kolehmainen ; L Pulkkinen ; U Schwab ; U Mager ; D E Laaksonen ; L Niskanen ; H Gylling ; M Atalay ; R Rauramaa ; M Uusitupa
descriptionThe transcription factor nuclear factor-kappa-B (NFκB) is implicated in inflammatory responses, obesity and the metabolic syndrome, while immune cells appear to play a central role in mediating insulin resistance and can be used as a model to study inflammation and its relationship with insulin resistance. In peripheral blood mononuclear cells of overweight participants with the metabolic syndrome, we evaluated (1) the effect of diet-induced weight loss on the expression of genes involved in NFκB activation and (2) their association with insulin sensitivity. The genes studied were: TNF receptors TNFRSF1A and TNFRSF1B, and IL1R1, TLR4, TLR2, ICAM1, CCL5 and IKBKB. We analysed data from 34 overweight participants with abnormal glucose metabolism and the metabolic syndrome, who were randomised to a weight-reduction (n=24) or control group (n=10) for 33 weeks. The mRNA expression was measured using real-time PCR. Measures of insulin and glucose homeostasis were assessed by IVGTT and OGTT. In general, the genes studied were downregulated after weight loss intervention. The changes in TLR4, TLR2, CCL5 and TNFRSF1A mRNA expression were associated with an increase in insulin sensitivity index independently of the change in waist circumference (p<0.05). The change in IKBKB expression correlated with most of the changes in gene expression in the weight-reduction group. These results suggest that proteins encoded by CCL5, TLR2 and TLR4, and TNFRSF1A might contribute to insulin-resistant states that characterise obesity and the metabolic syndrome. Trial registration: ClinicalTrials.gov NCT 00621205 [PUBLICATION ABSTRACT]
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titleDownregulation of genes involved in NF[kappa]B activation in peripheral blood mononuclear cells after weight loss is associated with the improvement of insulin sensitivity in individuals with the metabolic syndrome: the GENOBIN study
authorV D F de Mello ; M Kolehmainen ; L Pulkkinen ; U Schwab ; U Mager ; D E Laaksonen ; L Niskanen ; H Gylling ; M Atalay ; R Rauramaa ; M Uusitupa
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abstractThe transcription factor nuclear factor-kappa-B (NFκB) is implicated in inflammatory responses, obesity and the metabolic syndrome, while immune cells appear to play a central role in mediating insulin resistance and can be used as a model to study inflammation and its relationship with insulin resistance. In peripheral blood mononuclear cells of overweight participants with the metabolic syndrome, we evaluated (1) the effect of diet-induced weight loss on the expression of genes involved in NFκB activation and (2) their association with insulin sensitivity. The genes studied were: TNF receptors TNFRSF1A and TNFRSF1B, and IL1R1, TLR4, TLR2, ICAM1, CCL5 and IKBKB. We analysed data from 34 overweight participants with abnormal glucose metabolism and the metabolic syndrome, who were randomised to a weight-reduction (n=24) or control group (n=10) for 33 weeks. The mRNA expression was measured using real-time PCR. Measures of insulin and glucose homeostasis were assessed by IVGTT and OGTT. In general, the genes studied were downregulated after weight loss intervention. The changes in TLR4, TLR2, CCL5 and TNFRSF1A mRNA expression were associated with an increase in insulin sensitivity index independently of the change in waist circumference (p<0.05). The change in IKBKB expression correlated with most of the changes in gene expression in the weight-reduction group. These results suggest that proteins encoded by CCL5, TLR2 and TLR4, and TNFRSF1A might contribute to insulin-resistant states that characterise obesity and the metabolic syndrome. Trial registration: ClinicalTrials.gov NCT 00621205 [PUBLICATION ABSTRACT]
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