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Eur Rev Med Pharmacol Sci. 2013 Sep;17(17):2396-400.

The evaluation of selected serum mineral concentrations and their association with insulin resistance in obese adolescents.

Author information

1
Department of Human Nutrition and Hygiene, Poznan University of Life Sciences, Poznan, Poland. pawelbogdanski@wp.pl  

Abstract

BACKGROUND:

In obesity, elevated insulin resistance is observed, which may be associated with disturbances in mineral status in the body. The few studies concerning the status of minerals and their relationships with insulin resistance and body composition in adolescent populations have brought inconclusive results.

AIM:

of this study is, thus, to assess serum mineral concentration in obese adolescents, and to evaluate their potential association with insulin resistance.

SUBJECTS AND METHODS:

Seventy-eight obese adolescents and 20 healthy volunteers aged 12-18 years were recruited for the study. Selected anthropometrical measurements and levels of iron, zinc, copper, calcium, and magnesium were assessed in serum. Insulin resistance in the participants was evaluated according to the homeostatic model of assessment for insulin resistance (HOMA-IR) protocol. Levels of iron, zinc, copper, calcium, and magnesium were assessed in serum.

RESULTS:

Obese subjects had significantly higher HOMA-IR indices than the control group. Compared to healthy subjects, the serum concentration of zinc, calcium, and magnesium was significantly lower in obese subjects. A significant inverse relation was found between HOMA-IR and zinc levels in serum.

CONCLUSIONS:

Obese adolescents have a poorer mineral status (especially zinc) than adolescents of normal weight, which can contribute to insulin resistance.

PMID:
24065235
[Indexed for MEDLINE]
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