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Revista médica de Chile

versión impresa ISSN 0034-9887

Resumen

SALAZAR C, Teresa E et al. Normative values of growth hormone binding protein (GHBP) for a Chilean pediatric population. Rev. méd. Chile [online]. 2001, vol.129, n.4, pp.382-389. ISSN 0034-9887.  http://dx.doi.org/10.4067/S0034-98872001000400006.

Circulating concentrations of the high affinity growth hormone binding protein (GHBP) may be a marker of GH receptor density as well as GH sensiffvity. Goal: To determine values of GHBP for a normal Chilean pediatric population. Methods: We determined GHBP levels in 73 males and 73 females between 4 to 15.5 years and 4 to 16.8 years respectively, divided in 7 groups according to age and puberal status. Results: The population was normally distributed in weight, height and body mass index (BMI). GHBP activity increased up to Tanner IV in males and Tanner III in females, and decreased slightly thereafter in Tanner V and IV respectively. There was a significant difference between GHBP levels of preschool children and those found in Tanner II to V in both sexes (p<0.05). In adition, we found a positive correlation between GHBP vs weight, height and BMI (p<0.001) in males and females. Conclusion: The availability of this methodology allows us to establish the normative value of GHBP in our population and provides useful information to interpret GH circulating levels in children with growth disorders.(Rev Méd Chile 2001; 129: 382-9)

Palabras clave : Growth; Pediatrics; Somatotropin; Somatropin.

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