Genetics of Paget's disease of bone - 01/01/06
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Abstract |
Paget's disease of bone is a chronic bone disease that affects up to 3% of Caucasians older than 55 years. The cause of Paget's disease is unknown but involves genetic factors. Familial cases display an autosomal dominant pattern of inheritance with incomplete penetrance. Genetic heterogeneity has been demonstrated and eight potential susceptibility loci identified. There is sound evidence incriminating Sequestosome 1 (SQSTM1) on the long arm of chromosome 5 (5q35-qter), of which nine mutations have been described in Paget's disease of bone. These mutations are located in exons 7 and 8, which encode a highly conserved ubiquitin-binding domain. The prevalence of SQSTM1 mutations is about 10% in France. Tests for SQSTM1 mutations should be done in patients with Paget's disease of bone, even where the family history is negative. Detection of a mutation allows evaluation of family members to ensure early diagnosis of the disease before complications develop.
Le texte complet de cet article est disponible en PDF.Keywords : Paget's disease of bone, Sequestosome1, Mutations, Genetic testing
Plan
Vol 73 - N° 3
P. 243-248 - mai 2006 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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