Publications by authors named "Tammy Stellbrinck"

The two major intestinal α-glycosidases, sucrase-isomaltase (SI) and maltase-glucoamylase (MGAM), are active towards α-1,4 glycosidic linkages that prevail in starch. These enzymes share striking structural similarities and follow similar biosynthetic pathways. It has been hypothesized that starch digestion can be modulated "toggling" of activities of these mucosal α-glycosidases, suggesting a possible interaction between these two enzyme complexes in the intestinal brush border membrane (BBM).

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Patients with the rare autosomal recessive disorder congenital lactase deficiency (CLD) present with severe, potentially life-threatening symptoms shortly after birth. Several variants have been characterized within the gene for lactase-phlorizin hydrolase (LCT) that are associated with CLD. Here, we analyze at the biochemical and cellular levels LCT mutants harboring the genetic variants p.

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