PMID: 29077566Oct 28, 2017Paper

Relations between oxidized low-density lipoproteins and fat-soluble vitamin concentrations in obese children - preliminary study.

Developmental Period Medicine
Joanna GajewskaMagdalena Chełchowska

Abstract

Although lipid peroxidation products are formed during normal cell metabolism, they appear mostly in pathological conditions via producing an excess of free radicals that can react with unsaturated fatty acids, in particular low-density lipoprotein (LDL). The aim of this study was to investigate the relations between oxidized LDL (oxLDL), the fat-soluble vitamin status and the anthropometric parameters in prepubertal obese children. Thirty-two obese (SDS-BMI >2) and 25 non-obese children (SDS-BMI <-1+1>) were included in the study. The concentration of oxLDL was determined in the serum by the ELISA assay. Vitamin A and E were measured by the high-pressure liquid chromatography method. Total cholesterol, LDL- and HDL-cholesterol, and triglyceride levels were determined by enzymatic methods. The concentrations of oxLDL and vitamin A were higher in obese children than in normalweight controls by about 50% (p=0.01) and 40% (p=0.001), respectively. In obese children the significant positive correlation was found between oxLDL and vitamin A concentrations (<0.05). In addition, oxLDL correlated positively with BMI values (<0.05) and the amount of fat mass (kg) (<0.02) in these patients. Concentrations of vitamins A and E correlated wi...Continue Reading

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