Overexpression of arylsulfatase A gene in fibroblasts from metachromatic leukodystrophy patients does not induce a new phenotype.

Abstract:

:We tested the influence of overexpression of arylsulfatase A (ASA) on the activity of other sulfatases in fibroblasts from patients with metachromatic leukodystrophy (MLD). We demonstrated that the overexpression of ASA reduces the activity of various sulfatases by a small amount but does not induce an accumulation of glycosaminoglycan. Our results indicate that influence of ASA overexpression on other sulfatases is different from that of N-acetyl-galactosamine-4-sulfatase overexpression reported by Anson et al. We conclude that gene therapy for MLD based on the transfer of a normal ASA gene to mutant cells will be feasible because the overexpression of ASA peptides in cells does not lead to profound deficiency of other sulfatases or result in a new phenotype.

journal_name

Gene Ther

journal_title

Gene therapy

authors

Ohashi T,Matalon R,Barranger JA,Eto Y

subject

Has Abstract

pub_date

1995-08-01 00:00:00

pages

363-8

issue

6

eissn

0969-7128

issn

1476-5462

journal_volume

2

pub_type

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