Concentrations of Chromium, Selenium, and Copper in the Hair of Viscerally Obese Adults are Associated with Insulin Resistance

Kim, Ha-Na; Song, Sang-Wook
May 2014
Biological Trace Element Research;May2014, Vol. 158 Issue 2, p152
Academic Journal
Visceral adiposity is linked to the development of insulin resistance, which is a condition that may contribute to metabolic abnormalities and cardiovascular disease. Various minerals play essential roles in different metabolic functions in the body. Thus, the relationships between mineral concentrations in the hair and insulin resistance were analyzed in 144 Korean adults (71 viscerally obese subjects and 73 normal control subjects) in this cross-sectional study. Visceral obesity was measured using a bioelectrical impedance analysis (BIA), and insulin resistance levels were assessed using the homeostasis model assessment insulin resistance (HOMA-IR) index. The viscerally obese group exhibited significantly higher levels of serum glucose (96.5 vs 91.0 mg/dL, P = 0.023), insulin concentration (4.78 vs 2.98 μIU/mL, P = 0.003), and the HOMA-IR index (1.18 vs 0.64, P = 0.003) compared with the normal control group. After adjusting for age and sex, there was a positive correlation between copper levels in the hair and the HOMA-IR index in the viscerally obese group ( r = 0.241, P = 0.046) whereas chromium and selenium levels in the hair were negatively correlated with the HOMA-IR index ( r = −0.256, P = 0.034, and r = −0.251, P = 0.038, respectively). Thus, chromium and selenium levels in the hair of viscerally obese adults were inversely associated with insulin resistance, whereas copper levels in the hair were positively associated with insulin resistance. This suggests that the mineral status of viscerally obese adults might play a role in the development of insulin resistance.


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