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ORIGINAL ARTICLE
Year : 2014  |  Volume : 18  |  Issue : 4  |  Page : 565-568

Preliminary study: Evaluation of melatonin secretion in children and adolescents with type 1 diabetes mellitus


1 Department of Pediatric Endocrinology and Metabolism, Gaziantep University, Faculty of Medicine, Gaziantep, Turkey
2 Department of Biochemistry and Clinical Biochemistry, Gaziantep University, Faculty of Medicine, Gaziantep, Turkey

Correspondence Address:
Yilmaz Kor
Department of Pediatric Endocrinology, Adana Numune Training and Research Hospital, Adana 01170
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2230-8210.137521

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Objective: Melatonin is an indolamine hormone, synthesized from tryptophan in the pineal gland primarily. Melatonin exerts both antioxidative and immunoregulatory roles but little is known about melatonin secretion in patients with type 1 diabetes mellitus (T1DM). The aim of this study was to measure serum melatonin levels in patients with T1DM and investigates their relationship with type 1 diabetes mellitus. Materials and Methods: Forty children and adolescents with T1DM (18 boys and 22 girls) and 30 healthy control subjects (17 boys and 13 girls) participated in the study. All patients followed in Pediatric Endocrinology and Metabolism Unit of Gaziantep University Faculty of Medicine and also control subjects had no hypertension, obesity, hyperlipidemia, anemia, and infection. Blood samples were collected during routine analysis, after overnight fasting. Serum melatonin levels were analyzed with ELISA. Results: There were no statistically significant differences related with age, sex, BMI distribution between diabetic group and control group. Mean diabetic duration was 2.89 ± 2.69 years. The variables were in the equation. Mean melatonin level in diabetic group was 6.75 ± 3.52 pg/ml and mean melatonin level in control group was 11.51 ± 4.74 pg/ml. Melatonin levels were significantly lower in diabetic group compared to controls (P < 0.01). Conclusions: Melatonin was associated with type 1 diabetes mellitus significantly. Because of the varied roles of melatonin in human metabolic rhythms, these results suggest a role of melatonin in maintaining normal rhythmicity. Melatonin may play role in preventing process of inflammation and oxidative stress.


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