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Association of type 2 diabetes with cyclooxygenase-mediated inflammation and oxidative stress in an elderly population
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences. (Clinical nutrition)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. (Biokemisk struktur och funktion)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences. (Clinical nutrition)
2004 (English)In: Circulation, ISSN 0009-7322, E-ISSN 1524-4539, Vol. 109, no 14, 1729-1734 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Involvement of cyclooxygenase (COX)-mediated inflammation in type 2 diabetes has not been studied, and the association between cytokine-mediated inflammation and diabetes is not fully clarified.

METHODS AND RESULTS: 15-Keto-dihydro-prostaglandin F2alpha (a metabolite of prostaglandin F2alpha and an indicator of COX-mediated inflammation), high-sensitivity C-reactive protein (CRP), serum amyloid protein A (SAA), 8-iso-PGF2alpha (a nonenzymatic, free radical product of arachidonic acid and an indicator of oxidative stress), and alpha-tocopherol were measured in a population-based sample of 77-year-old men (n=765), in which 112 men had type 2 diabetes. The inflammatory indicators were increased in men with diabetes (urinary 15-keto-dihydro-PGF2alpha, P<0.001, CRP and SAA, P<0.05). However, when adjusted for body mass index, waist circumference, or fasting insulin, no association was found between diabetes and CRP or SAA. The oxidative stress indicator 8-iso-PGF2alpha in urine was increased (P<0.01) in men with diabetes. Patients who were newly diagnosed with diabetes (<7 years since diagnosis) had increased urinary 15-keto-dihydro-PGF2alpha and decreased alpha-tocopherol, but 8-iso-PGF2alpha was unaltered.

CONCLUSIONS: This is the first study to show that type 2 diabetes in elderly men is related to COX-mediated inflammation, reflected by enhanced prostaglandin formation. The high levels of cytokine-mediated acute-phase proteins observed in men with diabetes appear to be related to obesity and increased fasting insulin. The results further suggest that the appearance of chronic inflammation is an early process in the pathogenesis of diabetes, whereas oxidative injury may be a later process, possibly related to inflammation.

Place, publisher, year, edition, pages
2004. Vol. 109, no 14, 1729-1734 p.
Keyword [en]
Aged, Anti-Inflammatory Agents; Non-Steroidal/therapeutic use, Aspirin/therapeutic use, Biological Markers, Blood Glucose/analysis, Body Mass Index, C-Reactive Protein/analysis, Cohort Studies, Comorbidity, Diabetes Mellitus; Type 2/epidemiology/*metabolism, Dinoprost/*analogs & derivatives/urine, Follow-Up Studies, Humans, Inflammation, Insulin/blood, Lipids/blood, Male, Oxidative Stress, Prostaglandin-Endoperoxide Synthases/*physiology, Serum Amyloid A Protein/analysis, Sweden/epidemiology, alpha-Tocopherol/blood
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-21832DOI: 10.1161/01.CIR.0000124718.99562.91PubMedID: 15037525OAI: oai:DiVA.org:uu-21832DiVA: diva2:49605
Available from: 2007-01-04 Created: 2007-01-04 Last updated: 2010-10-18Bibliographically approved

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Publisher's full textPubMedhttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Retrieve&list_uids=15037525&dopt=Citation

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Helmersson, JohannaVessby, BengtLarsson, AndersBasu, Samar
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