ESPE Abstracts (2015) 84 P-2-272

Circulating GLP-1 in Infants Born Small-for-Gestational-Age: Breast-Feeding Vs Formula-Feeding

Marta Díaza,b, Judit Bassolsc, Giorgia Sebastiania,b, Abel López-Bermejoc, Lourdes Ibáñeza,b & Francis de Zegherd


aUniversity of Barcelona, Hospital Sant Joan de Déu, Barcelona, Spain; bCIBERDEM, Madrid, Spain; cHospital Dr Josep Trueta & IDIBGI, Girona, Spain; dUniversity of Leuven, Leuven, Belgium


Background: Prenatal growth restraint associates with risk for later diabetes particularly if such restraint is followed by postnatal formula-feeding (FOF) rather than breast-feeding (BRF). Circulating incretins can influence the neonatal programming of hypothalamic setpoints for appetite and energy expenditure, and are thus candidate mediators of the long-term effects exerted by early nutrition.

Objective, hypotheses and method: We have tested this concept by measuring (at birth and age 4 months) the circulating concentrations of glucagon-like peptide-1 (GLP-1) in BRF infants born appropriate-for-gestational-age (AGA; N=63) and in small-for-gestational-age (SGA) infants receiving either BRF (N=28) or FOF (N=26).

Results: At birth, concentrations of GLP-1 were similar in AGA and SGA infants. At 4 months, pre-feeding GLP-1 concentrations were higher than at birth; SGA-BRF infants had GLP-1 concentrations similar to those in AGA-BRF infants but SGA-FOF infants had higher concentrations.

Conclusion: Nutrition appears to influence the circulating GLP-1 concentrations in SGA infants and may thereby modulate long-term diabetes risk.

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