Association of Asymmetric Dimethylarginine With Acute Pancreatitis-Induced Hyperglycemia (CROSBI ID 221196)
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Trgo, Gorana ; Žaja, Ivan ; Bogut, Ante ; Kovačić Vicić, Vesna ; Meter, Ivana ; Vučić Lovrenčić, Marijana ; Radman, Maja
engleski
Association of Asymmetric Dimethylarginine With Acute Pancreatitis-Induced Hyperglycemia
The objective of this study was to investigate the relationship between asymmetric dimethylarginine (ADMA), an endogenous nitric oxide synthase inhibitor, oxidative-nitrosative damage, and glucoregulation in acute pancreatitis (AP). The study evaluated serum levels of ADMA, nitrotyrosine, and urinary 8-hydroxydeoxyguanosine in 40 male patients hospitalized for AP at baseline and at 2 and 10 days of treatment, respectively. The patients were classified into a mild and a moderately severe AP group (MAP and MSAP, respectively) according to Atlanta classification criteria. Glycemic statuswas evaluated by a 75-g oral glucose tolerance test 1 month after AP onset. Forty age-matched healthy subjects served as control subjects. Significant decrease of ADMA and increased levels of nitro- tyrosine and urinary 8-hydroxydeoxyguanosine were found in MSAP, but not in MAP at baseline, with ADMA correction toward control levels at the 10th day of treatment. Fructosamine was found to significantly influence ADMA levels (r = −0.362, P = 0.002). After AP recovery, either impaired glucose tolerance or diabetes was identified with the oral glu- cose tolerance test in 10.5% and 92.8% of patients with MAP and MSAP, respectively. Insufficient inhibition of nitric oxide synthesis, through reduced bioavailability of ADMA, might be a novel significant contributory factor to the severity of AP and subsequent development of hyperglycemia.
acute pancreatitis; asymmetric dimethylarginine; reactive oxygen species; reactive nitrogen species; diabetes mellitus
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