Effect of nucleotide intake and nutritional recovery on insulin-like growth factor I and other hormonal biomarkers in severely malnourished children
2006
Vásquez-Garibay, E. | Stein, K. | Kratzsch, J. | Romero-Velarde, E. | Jahreis, G.
The objective of the present study is to demonstrate the effect of nucleotide intake and intensive nutritional support on the concentration of insulin-like growth factor I (IGF-I) and other hormonal biomarkers in severely malnourished children. Twenty-six severely malnourished children <48 months of age received formula without lactose via enteral feeding for 2 weeks and ad libitum for an additional 2 weeks. Anthropometrical measurements were performed and serum concentrations of IGF-I, insulin-like growth factor binding protein-3 (IGFBP-3), leptin, soluble leptin receptor (sOB-R), as well as the estimated molar excess of sOB-R over leptin were obtained. Two groups were formed. One group received formula with nucleotides (NT+; n 13) and the other without nucleotides (NT-; n 13). A control group was included (n 13). Parametric and non-parametric tests as well as ANOVA models were used. Nutritional recovery, nucleotides intake, type of malnutrition, age and the interaction between gender and malnutrition influenced the concentration of IGF-I (P<0.001). Nutritional recovery, nucleotides intake, gender and type of malnutrition had an effect on IGFBP-3 (P<0.001). Nutritional recovery had a significant effect on serum leptin (P=0.001). Age and nutritional recovery had an effect on sOB-R (P<0.001); all variables included affected the molar excess of sOB-R over leptin (P<0.001). In conclusion, nucleotide intake and nutritional recovery had a notable effect on IGF-I, IGFBP-3 and other hormonal biomarkers. This outcome could stimulate the catch-up growth of severely malnourished infants and toddlers during the nutritional recovery period.
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