Influence of growth hormone (GH) receptor deletion of exon 3 and full-length isoforms on GH response and final height in patients with severe GH deficiency

Räz, Barbara; Janner, Marco; Petkovic, Vibor; Lochmatter, Didier; Eblé, Andrée; Dattani, Mehul T.; Hindmarsh, Peter C.; Flück, Christa E.; Mullis, Primus E. (2008). Influence of growth hormone (GH) receptor deletion of exon 3 and full-length isoforms on GH response and final height in patients with severe GH deficiency. Journal of clinical endocrinology and metabolism, 93(3), pp. 974-980. Chevy Chase, Md.: Endocrine Society 10.1210/jc.2007-1382

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CONTEXT: A polymorphism of the GH receptor (GHR) gene resulting in genomic deletion of exon 3 (GHR-d3) has been associated with responsiveness to GH therapy. However, the data reported so far do vary according to the underlying condition, replacement dose, and duration of the treatment. OBJECTIVE, DESIGN: The aim of this study was to analyze the impact of the GHR genotypes in terms of the initial height velocity (HV) resulting from treatment and the impact upon adult height in patients suffering from severe isolated GH deficiency. CONTROLS, PATIENTS, SETTING: A total of 181 subjects (peak stimulated GH<or=2 ng/ml) were studied. In addition, GHR genotype frequency was compared with a healthy adult control group. INTERVENTIONS: Based on the various GHR genotypes, HV, effect of recombinant human GH dose used, and final height were analyzed. MAIN OUTCOME MEASURES, RESULTS: In the 181 subjects after the first two yr on recombinant human GH treatment, HV sd score (SDS) as well as height gain were significantly greater in subjects with the GHR-d3/d3 genotype when compared with the subjects presenting with the GHR-full-length/full-length genotype (P<0.05). A GHR-d3 allele dose-dependent effect was found for both HV SDS (r=0.72) and height gain (r=0.77). However, there was no significant difference in final adult height and height SDS according to the exon-3 genotypes. CONCLUSIONS: Our results indicate that in patients with severe isolated GH deficiency, although the GHR genotype might play a role in GH responsiveness, at least at the beginning of treatment, there is no effect on final height.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > BioMedical Research (DBMR) > Unit Childrens Hospital > Forschungsgruppe Endokrinologie / Diabetologie / Metabolik (Pädiatrie)
04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine

UniBE Contributor:

Janner, Marco; Petkovic, Vibor; Lochmatter, Didier; Flück, Christa and Mullis, Primus-Eugen

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0021-972X

ISBN:

18029459

Publisher:

Endocrine Society

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:55

Last Modified:

24 Dec 2019 09:10

Publisher DOI:

10.1210/jc.2007-1382

PubMed ID:

18029459

Web of Science ID:

000253822700050

BORIS DOI:

10.7892/boris.23408

URI:

https://boris.unibe.ch/id/eprint/23408 (FactScience: 41736)

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