α-galactosidase

α-Galactosidase is an endogenous glycosidase that can break down oligosaccharides and glycolipids containing α-galactoside bonds and can be used in the study of Fabry disease.

β-Galactosidase (GAL) is a glycoside hydrolase that hydrolyzes the β-glycosidic bond formed between galactose and its organic part, and naturally catalyzes the hydrolysis of the galactosidic bond in oligosaccharides and disaccharides for the degradation of lactose and the production of low-lactose and lactose-free lactose products that are beneficial to lactose intolerant patients.

Lyso-globotriaosylceramide is a form of globotriaosylceramide that is lacking the fatty acyl group. It binds to Shiga toxin 1 (Stx1) in the presence of cholesterol and phosphatidylcholine but does not bind Stx2. It also reduces viability and aggregation of human neutrophils induced by phorbol 12-myristate 13-acetate when used at concentrations of 50 and 1 μM, respectively. Lyso-globotriaosylceramide accumulates in the brain, heart, kidney, liver, lung, and spleen in a mouse model of Fabry disease, a lysosomal storage disorder characterized by a deficiency in the enzyme α-galactosidase A. It also accumulates in the urine, kidney, and plasma of patients with Fabry disease. Lyso-globotriaosylceramide levels decrease in response to administration of the α-galactosidase inhibitor 1-deoxygalactonojirimycin in a transgenic mouse model of Fabry disease. Decreases in plasma and urine concentrations of lyso-globotriaosylceramide have been used as a biomarker for efficacy of enzyme replacement therapy (ERT) and other therapies in the treatment of Fabry disease.

Stachyose hydrate is a natual product,it highly promotes proliferation of lactic acid bacteria (LAB) by inducing LAB to produce more α-galactosidase to hydrolyze stachyose.

Raffinose (Melitriose) is an indigestible short-chain oligosaccharide, a trisaccharide composed of galactose, glucose and fructose, found in many plants. It can be hydrolyzed by α-galactosidase (α-GAL) to D-galactose and sucrose.