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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Polymorphisms in Tunisian patients with N-acetylgalactosamine-6-sulfate sulfatase gene deficiency: Implication in Morquio A disease
Diagnostic Pathology, Volume 6, No. 1, Article 11, Year 2011
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Description
Mucopolysaccharidosis type IVA or Morquio A syndrome is characterized by the lack of N-acetylgalactosamine-6-sulfate-sulfatase and the accumulation of keratan sulfate and chondroitin-6-sulfate in the lysosomes. At least, 148 mutations and 16 polymorphisms were identified in the GALNS gene.The aim of this study was the screening of polymorphisms within 7 patients recruited from many regions of Tunisia in order to determine the haplotypes and their association with the mutations previously reported.Patients and methods: We have used the PCR sequencing to analyse the different haplotypes and to identify the polymorphisms within 7 affected MPS IVA patients.Results: Nine GALNS polymorphisms were detected in the 7 studied patients. Five of these polymorphisms are within the GALNS gene exons. Six polymorphisms have been previously described and used for linkage analysis in MPS IVA patients and determination of haplotypes. We have identified two novel heterozygous polymorphisms in intron 13 and intron 3. Conclusion: Polymorphisms may be useful for carrier detection and prenatal diagnosis in informative families whose specific mutations have not been identified. The determination of haplotypes can also determine the origin of some mutations in a population. © 2011 Khedhiri et al; licensee BioMed Central Ltd.
Authors & Co-Authors
Khedhiri, Souhir
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Laboratory of Biochemistry
Chkioua, Latifa
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Laboratory of Biochemistry
Ferchichi, Salima
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Laboratory of Biochemistry
Miled, Abdelhédi
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Laboratory of Biochemistry
Laradi, Sandrine
Tunisia, Sousse
Hopital Farhat Hached Sousse
Tunisia, Monastir
Laboratory of Biochemistry
Statistics
Citations: 9
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1186/1746-1596-6-11
e-ISSN:
17461596
Research Areas
Genetics And Genomics
Maternal And Child Health
Study Design
Cross Sectional Study
Study Locations
Tunisia