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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Mucopolysaccharidosis type I: identification of alpha-L-iduronidase mutations in Tunisian families
Archives de Pediatrie, Volume 14, No. 10, Year 2007
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Description
Mucopolysaccharidosis type I (MPS I) is a lysosomal disease due to mutations in the gene encoding α-l-iduronidase (IDUA) leading to variable clinical phenotypes with progressive severe organomegaly, bone and neurological involvement in the most severe forms. The aim of our study was to propose in Tunisia a strategy of molecular and prenatal diagnosis of the MPS I. Population and methods: Our study was carried out on 8 MPS I patients recruited from different Tunisian regions and issued from 5 unrelated families. All the patients were offspring of consanguineous marriages. Results: The clinical and biological study led to diagnose 5 Hurler patients and 3 Hurler-Scheie patients. Three IDUA mutations were identified by molecular analysis within 6 different families: a novel mutation p.F602X and 2 already described mutations p.P533R and p.R628X. Discussion: MPS I is a heterogeneous disease characterized by variability of the phenotypes. The missense mutation p.P533R associated with the intermediate phenotype was the most frequent in the Tunisian but also in the Moroccan population. In Tunisia, the incidence of p.P533R mutation seems to be associated with the high frequency of consanguineous marriages. Conclusion: The identification of known MPS I mutations (p.P533R and p.R628X) and of the novel mutation p.F602X permits reliable genetic counselling of at-risk relatives and molecular prenatal diagnosis. © 2007 Elsevier Masson SAS. All rights reserved.
Authors & Co-Authors
Chkioua, Latifa
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Khedhiri, Souhir
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Jaidane, Zaineb
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Ferchichi, Salima
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Habib, S.
Tunisia, Tunis
Chu Taher Sfar Mahdia
Froissart, Roseline
France, Lyon
Hopital Debrousse
Bonnet, V.
France, Lyon
Hopital Debrousse
Chaabouni, Malek N.
Tunisia, Sfax
Chu Hedi-chaker
Dandana, Azza
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Jrad, T.
Tunisia
Chu M'saken
Limem, Halima Ben
Tunisia, Sousse
Hopital Farhat Hached Sousse
Maire, I.
France, Lyon
Hopital Debrousse
Abdelhedi, Miled
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Laradi, Sandrine
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Faculté de Pharmacie de Monastir
Statistics
Citations: 14
Authors: 14
Affiliations: 6
Identifiers
Doi:
10.1016/j.arcped.2007.06.018
ISSN:
0929693X
Research Areas
Cancer
Genetics And Genomics
Maternal And Child Health
Study Design
Cross Sectional Study
Cohort Study
Study Locations
Tunisia