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High circulating le...
High circulating levels of RBP4 and mRNA levels of aP2, PGC-1alpha and UCP-2 predict improvement in insulin sensitivity following pioglitazone treatment of drug-naive type 2 diabetic subjects
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- Hammarstedt, Ann, 1975 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine
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Pihlajamaki, J. (författare)
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Graham, T. E. (författare)
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Kainulainen, S. (författare)
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Kahn, B. B. (författare)
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Laakso, M. (författare)
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- Smith, Ulf, 1943 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine
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(creator_code:org_t)
- Wiley, 2008
- 2008
- Engelska.
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Ingår i: Journal of Internal Medicine. - : Wiley. - 1365-2796 .- 0954-6820. ; 263:4, s. 440-9
- Relaterad länk:
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https://europepmc.or...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- CONTEXT: High levels of circulating retinol-binding protein 4 (RBP4) and baseline expression of adipogenic genes correlate with subsequent improvement in insulin sensitivity following Thiazolidinedione (TZD) treatment. OBJECTIVE: The aim was to identify baseline characteristics and early changes related to TZD treatment that could predict a good treatment response. DESIGN: Subjects were examined with oral glucose tolerance test, intravenous glucose tolerance test, hyperinsulinaemic euglycaemic clamp, body composition and standard blood sampling at baseline and after 4 and 12 weeks treatment. Subcutaneous adipose tissue biopsies were taken from the abdominal region at baseline, after 3 days and 4 weeks treatment to examine the gene expression profile. SETTING: Research laboratory in a University hospital. PARTICIPANTS: Ten newly diagnosed and previously untreated type 2 diabetic subjects were treated with pioglitazone for 3 months. MAIN OUTCOME MEASURES: Baseline characteristics and early changes related to TZD treatment that could predict the response after 3 months. RESULTS: Pioglitazone improved insulin sensitivity after 4 weeks combined with lower glucose and insulin levels without any change in BMI. It was accompanied by lower circulating resistin and plasminogen activator inhibitor-1 levels rapidly increased levels of circulating total and high molecular weight adiponectin as well as adiponectin and adipocyte fatty acid-binding protein (aP2) mRNA expression in the adipose tissue. High levels of circulating RBP4 at baseline and adipose tissue expression of aP2, proliferator-activated receptor-gamma coactivator 1 alpha (PGC-1alpha) and uncoupling protein 2 (UCP-2) predicted a good treatment response measured as improvement in insulin-stimulated whole-body glucose uptake after 3 months. CONCLUSIONS: Circulating levels of RBP4 as an index of insulin sensitivity and mRNA levels of adipogenic genes correlate with the subsequent improvement in insulin sensitivity following TZD treatment.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
Nyckelord
- Adipose Tissue/metabolism
- Body Composition
- Carrier Proteins/*blood
- Diabetes Mellitus
- Type 2/blood/*drug therapy
- Female
- Humans
- Hypoglycemic Agents/*therapeutic use
- Insulin Resistance/physiology
- Ion Channels/*blood
- Male
- Middle Aged
- Mitochondrial Proteins/*blood
- RNA
- Messenger/blood
- Retinol-Binding Proteins
- Plasma/*metabolism
- Thiazolidinediones/*therapeutic use
- Treatment Outcome
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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