Target intelligence / Profile preview

Alpha-galactosidase A (GLA)

Target
GLA
Molecular classification
Enzyme, Glycosidase, Lysosomal enzyme
01

Overview

Alpha-galactosidase A is a lysosomal enzyme that hydrolyzes terminal alpha-galactosyl residues from glycolipids and glycoproteins. It is encoded by the GLA gene. Deficiency leads to Fabry disease, an X-linked lysosomal storage disorder characterized by Gb3 accumulation. Treatments include enzyme replacement therapy and pharmacological chaperone therapy.

Other names
GLACeramide trihexosidasealpha-GAL A
02

Mechanism of action

Enzyme replacement, Pharmacological chaperone

03

Biological functions

Glycolipid catabolismGlycoprotein catabolismHydrolysis of alpha-galactosyl residues
04

Disease associations

Fabry diseaseLysosomal storage disorder
05

Safety considerations

Infusion reactions (ERT)Antibody development (ERT)Limited efficacy depending on mutation (Migalastat)
06

Interacting drugs

Migalastat

2 more in the full profile.

07

Biomarkers

Gb3 levelsAlpha-galactosidase A activity in leukocytesGLA gene mutations

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