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  • Pediatric Focus
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Ethnic differences in the relationship between fasting leptin and BMI in children

International Journal of Obesity volume 28, pages 17–21 (2004)Cite this article

Abstract

OBJECTIVE: To compare the relationship between fasting serum leptin levels and body mass index (BMI) in children from different ethnic groups.

SUBJECTS: Children aged 6–10 y from rural Gambia (n=471) and central Italy (n=839).

MEASUREMENTS: Anthropometry (z-score of BMI) and fasting serum leptin concentrations.

RESULTS: The Italian children had significantly higher mean BMI z-scores than the Gambian children (males: Italy 1.58, Gambia −1.44, P≤0.0001; females: Italy 1.33, Gambia –1.42, P≤0.0001) and significantly higher serum leptin concentrations (males: Italy 8.86 ng ml−1, Gambia 1.78 ng ml−1, P≤0.0001; females: Italy 11.31 ng ml−1, Gambia 2.22 ng ml−1, P≤0.0001). A significantly different relationship was observed between z-score of BMI and serum leptin levels in the Gambian and the Italian children for both boys and girls.

CONCLUSION: A different relationship exists between z-score of BMI and leptin levels in these two groups of children from very diverse ethnic backgrounds. Future studies using detailed measures of body composition and energy balance are needed to help understand this relationship.

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Acknowledgements

We acknowledge Mr Jason Swain, MRC Human Nutrition Research Centre for undertaking the leptin analysis. This work was supported by the Nutricia Research Foundation.

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Authors and Affiliations

  1. MRC International Nutrition Group, Public Health Nutrition Unit, London School of Hygiene and Tropical Medicine, London, UK

    S E Moore, A J C Fulford & A M Prentice

  2. MRC Keneba, MRC Laboratories, Fajara, The Gambia, West Africa

    S E Moore & A M Prentice

  3. Department of Gynaecologic, Obstetric and Paediatric Sciences, University of Perugia, Perugia, Italy

    A Falorni & V Bini

  4. MRC Human Nutrition Research, Elsie Widdowson Laboratory, Fulbourn Road, Cambridge, UK

    M A O'Connell

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  1. S E Moore
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  2. A Falorni
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  3. V Bini
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  4. A J C Fulford
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  5. M A O'Connell
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  6. A M Prentice
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Correspondence to S E Moore.

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Moore, S., Falorni, A., Bini, V. et al. Ethnic differences in the relationship between fasting leptin and BMI in children. Int J Obes 28, 17–21 (2004). https://doi.org/10.1038/sj.ijo.0802484

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