Serum insulin-like growth Factor-I (IGF-I) and IGF binding protein-3 (IGFBP3) in growing preterm infants on enteral nutrition

Franco Colonna, Tamara Pahor, Umberto De Vonderweid, Giorgio Tonini, Luisella Radillo

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We analyzed the range of serum concentrations of insulin-like growth factor-I (IGF-I) and insulin-like growth factor binding protein-3 (IGFBP-3) and their inter-relationships with age and some parameters of nutritional and hormonal status in 46 growing preterm infants on enteral nutrition, 72 nutritional balances were performed, with a cross-sectional study design, at a mean age of 35.3 ± 17.2 days, equivalent to a mean corrected age (gestational + postnatal age) of 36 ± 2.3 weeks. Serum concentrations of IGF-I (mean 64 ± 36 ng/ml) and IGFBP-3 (mean 1.15 ± 0.53 mg/l) correlated significantly with each other (r=0.46) and both correlated with body weight (r=0.43 and 0.34), body length (r=0.44 and 0.36) and serum concentrations of prealbumin, apolipoprotein A and cholesterol, IGF-I also correlated with urinary excretion of C-peptide (r=0.32). There was a weak correlation between IGFBIP3 and postnatal age (r= 0.36) but no correlation between IGF-I and IGFBP-3 and corrected age or urinary excretion of growth hormone. In growing preterm infants, at least until 40 weeks of corrected age, serum concentrations of IGF-I and IGFBPS seem to be related principally to body weight, body length and nutritional factors, but not to growth hormone.

Original languageEnglish
Pages (from-to)483-489
Number of pages7
JournalJournal of Pediatric Endocrinology and Metabolism
Volume9
Issue number4
Publication statusPublished - 1996

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Insulin-Like Growth Factor Binding Proteins
Insulin-Like Growth Factor Binding Protein 3
Enteral Nutrition
Insulin-Like Growth Factor I
Premature Infants
Serum
Growth Hormone
Body Weight
Apolipoproteins A
Prealbumin
C-Peptide
Nutritional Status
Gestational Age
Cross-Sectional Studies
Cholesterol

Keywords

  • C-peptide
  • Growth hormone
  • IGFBP-3
  • IGHF-I
  • Nutrition
  • Preterm infant

ASJC Scopus subject areas

  • Endocrinology
  • Pediatrics, Perinatology, and Child Health

Cite this

Serum insulin-like growth Factor-I (IGF-I) and IGF binding protein-3 (IGFBP3) in growing preterm infants on enteral nutrition. / Colonna, Franco; Pahor, Tamara; De Vonderweid, Umberto; Tonini, Giorgio; Radillo, Luisella.

In: Journal of Pediatric Endocrinology and Metabolism, Vol. 9, No. 4, 1996, p. 483-489.

Research output: Contribution to journalArticle

Colonna, Franco ; Pahor, Tamara ; De Vonderweid, Umberto ; Tonini, Giorgio ; Radillo, Luisella. / Serum insulin-like growth Factor-I (IGF-I) and IGF binding protein-3 (IGFBP3) in growing preterm infants on enteral nutrition. In: Journal of Pediatric Endocrinology and Metabolism. 1996 ; Vol. 9, No. 4. pp. 483-489.
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