Journal
DIABETES CARE
Volume 28, Issue 6, Pages 1371-1375Publisher
AMER DIABETES ASSOC
DOI: 10.2337/diacare.28.6.1371
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OBJECTIVE - The extent of involvement of cyclooxygenase (COX)-mediated inflammation in type 1 diabetes is unknown, and the association between the COX- and cytokine-mediated inflammatory responses in type I diabetes is not fully understood. RESEARCH DESIGN AND METHODS - Plasma high-sensitivity C-reactive protein (CRP), 24-h urinary and plasma 15-keto-dihydro-prostaglandin F-2 alpha (a metabolite of prosiaglandin F-2 alpha [PGF(2 alpha)] and an indicator of COX-mediated inflammation), serum amyloid protein A (SAA), and interleukin (IL)-6 (indicators of inflammation) were measured in 38 subjects with type 1 diabetes and 41 healthy age- and sex-matched control subjects. RESULTS - The inflammatory indicators (urinary 15-keto-dihydro-PGF(2 alpha), P < 0.01; IL-6, P < 0.04) were increased in men with diabetes. CRP and SAA did not show any significant difference between the diabetic and the control subjects. Urinary levels of 15-keto-dihydroPGF(2 alpha) correlated with the degree of glycemic control, HbA(1c) (r = 0.42, P < 0.0005). No correlation was found between the duration of diabetes and the inflammatory biomarkers or metabolic measurements. CONCLUSIONS - These results suggest that an early low-grade inflammatory process reflected by elevated levels of PGF(2 alpha) and IL-6 is involved in type 1 diabetes. Thus, both COX- and cytokine-mediated inflammatory pathways are significantly related to type I diabetes.
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