Four novel <em>ARSA</em> gene mutations with pathogenic impacts on metachromatic leukodystrophy: a bioinformatics approach to predict pathogenic mutations

Manshadi, M.D. and Kamalidehghan, B. and Aryani, O. and Khalili, E. and Dadgar, S. and Tondar, M. and Ahmadipour, F. and Meng, G.Y. and Houshmand, M. (2017) Four novel <em>ARSA</em> gene mutations with pathogenic impacts on metachromatic leukodystrophy: a bioinformatics approach to predict pathogenic mutations. Therapeutics and Clinical Risk Management, 13. pp. 725-731. ISSN 1178-203X, DOI https://doi.org/10.2147/TCRM.S119967.

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Official URL: http://dx.doi.org/10.2147/TCRM.S119967

Abstract

Metachromatic leukodystrophy (MLD) disorder is a rare lysosomal storage disorder that leads to severe neurological symptoms and an early death. MLD occurs due to the deficiency of enzyme arylsulfatase A (ARSA) in leukocytes, and patients with MLD excrete sulfatide in their urine. In this study, the ARSA gene in 12 non-consanguineous MLD patients and 40 healthy individuals was examined using polymerase chain reaction sequencing. Furthermore, the structural and functional effects of new mutations on ARSA were analyzed using SIFT (sorting intolerant from tolerant), I-Mutant 2, and PolyPhen bioinformatics software. Here, 4 new pathogenic homozygous mutations c.585G>T, c.661T>A, c.849C>G, and c.911A>G were detected. The consequence of this study has extended the genotypic spectrum of MLD patients, paving way to a more effective method for carrier detection and genetic counseling.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Psychomotor regression; Demyelinating; Gait abnormality and impairment; Metachromatic leukodystrophy (MLD); Behavioral disturbances
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 05 Sep 2018 02:10
Last Modified: 05 Sep 2018 02:10
URI: http://eprints.um.edu.my/id/eprint/19102

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