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Identification of a Novel Arylsulfatase B Gene Mutation in Three Unrelated Iranian Mucopolysaccharidosis Type-Vi Patients With Different Phenotype Severity Publisher Pubmed



Nouri N1 ; Nouri N1 ; Aryani O3 ; Kamalidehghan B4 ; Houshmand M5
Authors
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Authors Affiliations
  1. 1. Molecular Genetic Laboratory, Alzahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. General Tohid Genetic Counseling Center, Isfahan, Iran
  3. 3. Dept. of Genetic, Special Medical Center, Tehran, Iran
  4. 4. Dept. of Pharmacy, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia
  5. 5. Dept. of Genetic, National Institute for Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran

Source: Iranian Biomedical Journal Published:2012


Abstract

Background: Mucopolysaccharidosis type-VI (MPS-VI), which is inherited as an autosomal recessive trait, results from the deficiency of N-acetylgalactosamine 4-sulfatase (arylsulfatase B) activity and the lysosomal accumulation of dermatan sulfate. In this study, ARSB mutation analysis was performed on three unrelated patients who were originally from the West Azerbaijan province of Iran. Methods: After PCR and direct DNA sequencing, DNA extraction was performed. Results: Sequencing analysis revealed a novel homozygous missense mutation in the ARSB gene at c.1457A>G [p. D486V] in three unrelated Iranian MPS-VI patients with different phenotype severity. Conclusion: The mutation type in three patients was the same; probably, because of a foundation effect on their population.