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The Effects of Leptin on Breastfeeding Behaviour

Author

Listed:
  • Anna M. Cannon

    (School of Chemistry and Biochemistry, Faculty of Science, The University of Western Australia, Perth, Western Australia 6009, Australia)

  • Foteini Kakulas

    (School of Chemistry and Biochemistry, Faculty of Science, The University of Western Australia, Perth, Western Australia 6009, Australia)

  • Anna R. Hepworth

    (School of Chemistry and Biochemistry, Faculty of Science, The University of Western Australia, Perth, Western Australia 6009, Australia
    These authors contributed equally to this work.)

  • Ching Tat Lai

    (School of Chemistry and Biochemistry, Faculty of Science, The University of Western Australia, Perth, Western Australia 6009, Australia
    These authors contributed equally to this work.)

  • Peter E. Hartmann

    (School of Chemistry and Biochemistry, Faculty of Science, The University of Western Australia, Perth, Western Australia 6009, Australia
    These authors contributed equally to this work.)

  • Donna T. Geddes

    (School of Chemistry and Biochemistry, Faculty of Science, The University of Western Australia, Perth, Western Australia 6009, Australia)

Abstract

Breastfed infants have a reduced risk of becoming overweight and/or obese later in life. This protective effect has been partly attributed to leptin present in breastmilk. This study investigated 24-h variations of skim milk leptin and its relationship with breastmilk macronutrients and infant breastfeeding patterns. Exclusive breastfeeding mothers of term singletons ( n = 19; age 10 ± 5 weeks) collected pre- and post-feed breastmilk samples for every breastfeed over a 24-h period and test-weighed their infants to determine milk intake at every breastfeed over a 24-h period. Samples ( n = 454) were analysed for leptin, protein, lactose and fat content. Skim milk leptin concentration did not change with feeding ( p = 0.184). However, larger feed volumes (>105 g) were associated with a decrease in post-feed leptin levels ( p = 0.009). There was no relationship between the change in leptin levels and change in protein ( p = 0.313) or lactose levels ( p = 0.587) between pre- and post-feed milk, but there was a trend for a positive association with changes in milk fat content ( p = 0.056). Leptin concentration significantly increased at night ( p < 0.001) indicating a possible 24-h pattern. Leptin dose (ng) was not associated with the time between feeds ( p = 0.232). Further research should include analysis of whole breastmilk and other breastmilk fractions to extend these findings.

Suggested Citation

  • Anna M. Cannon & Foteini Kakulas & Anna R. Hepworth & Ching Tat Lai & Peter E. Hartmann & Donna T. Geddes, 2015. "The Effects of Leptin on Breastfeeding Behaviour," IJERPH, MDPI, vol. 12(10), pages 1-16, September.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:10:p:12340-12355:d:56670
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    References listed on IDEAS

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    1. McCrory, Cathal & Layte, Richard, 2012. "Breastfeeding and risk of overweight and obesity at nine-years of age," Social Science & Medicine, Elsevier, vol. 75(2), pages 323-330.
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