Abstract
OBJECTIVES: Childhood obesity has increased over the past years worldwide. Therefore, changes in mitochondrial function as the risk factors of obesity in children need to consider. AIM: The study aimed to evaluate the connection between obesity and mitochondrial function in obese children. PATIENTS AND METHODS: This study was a case–control study conducted in the primary school children in Mosul city. The study included 100 children, with an age ranged from 6 to 12 years. Fifty child with obesity (BMI ≥ 95th percentile) for children enrolled in this work and compared to 50 control with BMI <95th percentile. Mitochondrial function assessed by measurement of serum lactic acid, lactate/pyruvate ratio, and L-carnitine and mt-DNA copy number. RESULTS: Serum lactate and the lactate/pyruvate ratio were significantly higher in obese children than in the control group, while serum pyruvate levels in children with obesity are not significantly different from those in the control group. Serum levels of L-carnitine and mt-DNA copy number significantly reduced in obese children comparison to the control group. CONCLUSION: Changes of mitochondrial function may be involved in obesity of children.
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