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Pakistan Journal of Biological Sciences
  Year: 2008 | Volume: 11 | Issue: 7 | Page No.: 1037-1041
DOI: 10.3923/pjbs.2008.1037.1041
Novel Mutation in the EXT-1 Gene in an Iranian Family Affected with Hereditary Multiple Exostoses
Ali Mohammad Foroughmand, Hamid Galehdari, Mina Rasouli, Gholamreza Mohammadian and Mansour Mohammadi

Abstract:
Identification of casual mutations in Hereditary Multiple Exostoses (HME) is important because of similar conditions in which multiple exostoses occur. Therefore mutation analysis can help to confirm the clinical diagnosis and to improve the management of therapy. HME is an inherited disorder of bone growth. HME can be referred to by various names such as Heredity Multiple Exostoses, Hereditary Multiple Osteochondromata, Multiple Carthaginous Exostoses, etc. People who have HME grow exostoses, or bony bumps, on their bones which can vary in size, location and number depending on the individual. HME is inherited in an autosomal dominant manner with an estimated prevalence of 1/50,000 in western countries. At least three loci (EXT1, EXT2 and EXT3) thought to be involved in this skeletal disease. Approximately 90% of affected families possess mutations in the coding regions of EXT1 and EXT2 genes and the majority of these mutations cause loss of function. EXT1 and EXT2 genes encode related members of a putative tumor suppressor family. In this first report from Iran we identified a frame shift mutation (1100-1101 insA) in exon 3 of EXT1 gene in a family being suspicious of HME. This mutation leads to a premature stop codon and previously not described. Additionally, we have found an unreported silent mutation in the exon six of EXT1 gene with uncertain significance.
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How to cite this article:

Ali Mohammad Foroughmand, Hamid Galehdari, Mina Rasouli, Gholamreza Mohammadian and Mansour Mohammadi, 2008. Novel Mutation in the EXT-1 Gene in an Iranian Family Affected with Hereditary Multiple Exostoses. Pakistan Journal of Biological Sciences, 11: 1037-1041.

DOI: 10.3923/pjbs.2008.1037.1041

URL: http://scialert.net/abstract/?doi=pjbs.2008.1037.1041

 
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