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J Med Genet 2006;43:735-739 doi:10.1136/jmg.2006.040998
  • Original article

High incidence of SHOX anomalies in individuals with short stature

  1. C Huber1,
  2. M Rosilio2,
  3. A Munnich1,
  4. V Cormier-Daire1,
  5. the French SHOX GeNeSIS Module*
  1. 1Department of Medical Genetics and INSERM U781, Hôpital Necker Enfants Malades, Paris, France
  2. 2Lilly France, Suresnes, France
  1. Correspondence to:
 Dr Valérie Cormier-Daire
 Department of Medical Genetics and INSERM U781, Hôpital Necker Enfants Malades, 149 rue de Sèvres 75015 Paris, France; cormier{at}necker.fr
  • Received 18 January 2006
  • Accepted 24 February 2006
  • Revised 22 February 2006
  • Published Online First 5 April 2006

Abstract

Objective: To study the SHOX gene and the PAR1 region in individuals with short stature.

Methods: The study involved 56 cases of dyschondrosteosis and 84 cases of idiopathic short stature (ISS). The study was designed to determine the following: the prevalence of SHOX anomalies in ISS; the frequency of Madelung deformity in individuals with SHOX anomalies; and the value of a family history of short stature in deciding whether to test for the SHOX gene.

Results: 54 SHOX anomalies were observed, including 42 (68%) in the dyschondrosteosis group and 12 (15%) in the ISS group. The high frequency of SHOX anomalies in the ISS group can be explained by the large proportion of boys in this group, reflecting the difficulty in diagnosing dyschondrosteosis in young boys. Clinical evidence of Madelung deformity in six parents of ISS individuals emphasised the importance of family evaluation. Among the 54 SHOX anomalies, 33 PAR1 deletions were identified encompassing the SHOX gene (62%), one partial intragenic deletion (2%), nine deletions located downstream of the SHOX gene (16%), and 11 point mutations (20%).

Conclusions: These data emphasise the value of using microsatellite markers located within and downstream of the SHOX gene.

Footnotes

  • ↵* The names of the members of the French SHOX GeNeSIS Module are listed in the appendix

  • Published Online First 5 April 2006

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