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Clin Chim Acta. 2004 Nov;349(1-2):121-7.

Comparison of coenzyme Q10 plasma levels in obese and normal weight children.

Author information

1
Vestische Kinderklinik Datteln, Universit├Ąt Witten/Herdecke, Dr.-Friedrich-Steiner-Str. 5, D-45711 Datteln, Germany. th.menke@t-online.de

Abstract

BACKGROUND:

Childhood obesity is associated with lower plasma levels of lipophilic antioxidants which may contribute to a deficient protection of low-density lipoproteins (LDL). An increased plasma level of oxidized LDL in obese people with insulin resistance has been demonstrated. The lipophilic antioxidant coenzyme Q10 (CoQ10) is known as an effective inhibitor of oxidative damage in LDL as well. The aim of the present study was to compare the CoQ10 levels in obese and normal weight children.

METHODS:

The CoQ10 plasma concentrations were measured in 67 obese children (BMI>97th percentile) and related to their degree of insulin resistance. Homeostasis model assessment (HOMA) was used to detect the degree of insulin resistance. The results were compared to a control group of 50 normal weight and apparently healthy children. The results of the CoQ10 levels were related to the plasma cholesterol concentrations.

RESULTS:

After adjustment to plasma cholesterol, no significant difference in the CoQ10 levels between obese and normal weight children could be demonstrated. Furthermore, there was no difference between insulin-resistant and non-insulin-resistant obese children.

CONCLUSION:

CoQ10 plasma levels are not reduced in obese children and are not related to insulin resistance.

PMID:
15469864
DOI:
10.1016/j.cccn.2004.06.015
[Indexed for MEDLINE]

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