Browsing by Author "Kabaroǧlu C."

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    Inflammatory marker levels in obese adolescents with glucose intolerance: Increased chitotriosidase activity
    (2012) Kabaroǧlu C.; Onur E.; Barutçuoǧlu B.; Özhan B.; Erdinç S.; Var A.; Bayindir O.; Ersoy B.
    Objectives: Existance of low grade persistent inflammation in obese children may increase the risk of metabolic and cardiovascular events. The aim was to determine whether glucose intolerance has an influence on inflammatory markers in obese adolescents. Designs and methods: 45 obese adolescents (mean BMI: 30.34±5.42kg/m 2) were grouped as normal or impaired glucose tolerance. IL-6 and CRP levels were analyzed by commercially available kits. Chitotriosidase activity was measured by a fluorescence method and neopterin levels were determined by ELISA. Data were expressed as mean±SD. Results: IL-6 and CRP levels were similar in the two groups. Serum neopterin levels were not different between the groups. The chitotriosidase activity was significantly higher in the IGT group than NGT (124.33 ± 51.97 μmol/L/h vs 84.50 ± 53.99μmol/L/h, p=0.04). Conclusion: Serum chitotriosidase activity is increased in obese adolescents with impaired glucose tolerance. © 2011 The Canadian Society of Clinical Chemists.
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    Elevated glucose level at 30 minutes during an oral glucose tolerance test in obese adolescents: A new disorder of glucose tolerance
    (2013) Kabaroǧlu C.; Ersoy B.; Onur E.; Özhan B.; Erdin S.; Var A.; Bayindir O.; Dinç G.
    We observed glucose levels >140 mg/dL measured at 30 minutes (min) during an oral glucose tolerance test (OGTT) in some obese patients. We aimed to investigate the significance of this finding by comparing lipid profiles, insulin resistance indices, and systemic inflammatory mediators between obese adolescents with normal glucose tolerance (NGT), impaired glucose tolerance (IGT), and elevated glucose levels at 30 min. The study involved 80 obese (body mass index >95th percentile for age and sex) adolescents (48 female, 32 male) between 11 and 16 years of age. Depending on OGTT results, patients were divided into NGT and IGT groups. The third group was recruited from the NGT group as having glucose levels > 140 mg/dL at 30 minutes. Lipid profiles, [interleukin-6 (IL-6)], neopterin, and lipoprotein associated phospholipase A2 (Lp-PLA2)] were assessed. Neopterin and Lp-PLA2 levels were significantly higher in obese adolescents with elevated glucose levels at 30 min. compared with those in both NGT and IGT groups (p=0.013, and 0.004, respectively). In these adolescents, IL-6 levels were significantly higher only than the NGT group (p=0.01). In logistic regression analysis, IL-6, neopterin and Lp-PLA2 levels were detected to be related to high blood glucose levels at 30 min (OR 1.11, p = 0.01; OR 9.03, p=0.013; OR 1.01, p=0.004 respectively). Obese adolescents with elevated glucose levels at 30 min. demonstrated higher inflammatory mediators levels, which were atherosclerotic indicators, than obese adolescents with NGT and IGT. These results suggest that glucose levels >140 mg/dL measured at 30 min during an OGTT may be a new disorder of glucose tolerance in obesity. ©The Japan Endocrine Society.