Table 2

Brush-border carbohydrate transporters and their deficiencies

MonosaccharideTransporterGene Locus2-aDeficiencies
GlucoseSGLT1 sodium-dependent glucose transporter SLC5A1 Glucose/galactose malabsorption
Galactose
GlucoseGLUT5 glucose transporter 5 SLC2A5 ? Hereditary
FructoseFructose malabsorption