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Iranian Journal of Pediatrics
Tehran University of Medical Sciences Press
ISSN: 1018-4406
EISSN: 1018-4406
Vol. 27, No. 1, 2017, pp. 1-5
Bioline Code: pe17009
Full paper language: English
Document type: Research Article
Document available free of charge

Iranian Journal of Pediatrics, Vol. 27, No. 1, 2017, pp. 1-5

 en The Association of Serum Osteopontin Levels with Insulin Resistance in Obese, Dyslipidemic Children
Hamilcıkan, Sahin; Erol, Meltem; Gayret, Ozlem Bostan; Buke, Ovgu & Can, Emrah


Objectives: To assess serum osteopontin (OPN) concentrations and to evaluate the correlation between OPN levels and insulin resistance (IR) in obese dyslipidemic children.
Methods: The study featured 107 obese children with ages ranging between 3 - 17 years. Anthropometrical measurements and biochemical analyses were performed and serumOPNsamples were obtained. IR was defined using the homeostasis modelassessmentinsulin resistance (HOMA-IR) protocol.
Results: Of the 107 obese children that were recruited for the study, 63 were girls (58.9%) and 44 were boys (58.9%), with a mean age of 11.18±3.41 years. Of them, 21 (19.6%) were diagnosed with dyslipidemia. No significant differences in age and gender were identified between the dyslipidemic and non-dyslipidemic groups. The mean body mass index (BMI), fasting blood glucose, insulin, and alanine transaminase levels were similar in both groups (P = 0.74). The average total cholesterol (TC), low-density lipoprotein cholesterol (LDL), and triglyceride (TG) levels were higher, while the high-density lipoprotein (HDL) and cholesterol levels were lower in the dyslipidemic group. Amongst the children with dyslipidemia, 28 (84.84%) had IR. The mean OPN levels in the dyslipidemic group were not found to be higher than the non-dyslipidemic group (46.94 ± 25.64 vs 48.92 ± 24.45; P = 0.70). Multivariate regression analysis confirmed that increased HOMA-IR levels (P = 0.01) are an important risk factor for dyslipidemia.
Conclusions: While serum OPN levels were found to be related to IR in obese children, OPN levels were not associated with dyslipidemia.

Osteopontin; Obesity; Dyslipidemia; Insulin Resistance

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