Document Detail

Ghrelin plasma levels in patients with idiopathic short stature.
MedLine Citation:
PMID:  20861603     Owner:  NLM     Status:  In-Data-Review    
Background: Novel molecular insights have suggested that ghrelin may be involved in the pathogenesis of some forms of short stature. Recently, growth hormone secretagogue receptor (GHSR) mutations that segregate with short stature have been reported. Aim: To study plasma ghrelin levels in prepubertal patients with idiopathic short stature (ISS). Methods: Fasting total plasma ghrelin levels (radioimmunoassay) in 41 prepubertal patients with ISS (18 females, age 7.9 ± 0.5 years) compared with 42 age- and sex-matched controls (27 females, age 8.0 ± 0.3 years) with normal height. In a subset of 28 patients, the ghrelin receptor was sequenced. Results: ISS patients exhibited a higher level of ghrelin (1,458 ± 137 vs. 935 ± 55 pg/ml, p < 0.01) and similar IGF-I levels (-0.66 ± 1.29 vs. -0.32 ± 0.78 SDS) compared to controls. Ten patients with ISS had ghrelin levels greater than +2 SDS compared to controls. These patients did not differ in height, BMI or IGF-I SDS compared to ISS patients with ghrelin levels within the normal range. Molecular analysis of GHSR did not show any mutations, but showed some polymorphisms. Conclusion: These results suggest that in ISS patients, short stature does not appear to be frequently caused by abnormalities in ghrelin signaling.
Germán Iñiguez; Rossana Román; Ronald Youlton; Fernando Cassorla; Verónica Mericq
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Publication Detail:
Type:  Journal Article     Date:  2010-09-23
Journal Detail:
Title:  Hormone research in pædiatrics     Volume:  75     ISSN:  1663-2826     ISO Abbreviation:  Horm Res Paediatr     Publication Date:  2011  
Date Detail:
Created Date:  2011-02-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101525157     Medline TA:  Horm Res Paediatr     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  94-100     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 S. Karger AG, Basel.
Institute of Maternal and Child Research, University of Chile, Santiago, Chile.
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