Title : UDP-sugar substrates of HAS3 regulate its O-GlcNAcylation, intracellular traffic, extracellular shedding and correlate with melanoma progression.

Pub. Date : 2016 Aug

PMID : 26883802






11 Functional Relationships(s)
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1 UDP-sugar substrates of HAS3 regulate its O-GlcNAcylation, intracellular traffic, extracellular shedding and correlate with melanoma progression. Uridine Diphosphate Sugars hyaluronan synthase 3 Homo sapiens
2 For the very first time, the present study demonstrated a rapid recycling of HAS3 between PM and endosomes, controlled by the cytosolic levels of the HAS substrates UDP-GlcUA and UDP-GlcNAc. Uridine Diphosphate Glucuronic Acid hyaluronan synthase 3 Homo sapiens
3 For the very first time, the present study demonstrated a rapid recycling of HAS3 between PM and endosomes, controlled by the cytosolic levels of the HAS substrates UDP-GlcUA and UDP-GlcNAc. Uridine Diphosphate N-Acetylglucosamine hyaluronan synthase 3 Homo sapiens
4 Depletion of UDP-GlcNAc or UDP-GlcUA shifted the balance towards HAS3 endocytosis, and inhibition of hyaluronan synthesis. Uridine Diphosphate N-Acetylglucosamine hyaluronan synthase 3 Homo sapiens
5 Depletion of UDP-GlcNAc or UDP-GlcUA shifted the balance towards HAS3 endocytosis, and inhibition of hyaluronan synthesis. Uridine Diphosphate Glucuronic Acid hyaluronan synthase 3 Homo sapiens
6 In contrast, UDP-GlcNAc surplus suppressed endocytosis and lysosomal decay of HAS3, favoring its retention in PM, stimulating hyaluronan synthesis, and HAS3 shedding in extracellular vesicles. Uridine Diphosphate N-Acetylglucosamine hyaluronan synthase 3 Homo sapiens
7 In contrast, UDP-GlcNAc surplus suppressed endocytosis and lysosomal decay of HAS3, favoring its retention in PM, stimulating hyaluronan synthesis, and HAS3 shedding in extracellular vesicles. Uridine Diphosphate N-Acetylglucosamine hyaluronan synthase 3 Homo sapiens
8 In contrast, UDP-GlcNAc surplus suppressed endocytosis and lysosomal decay of HAS3, favoring its retention in PM, stimulating hyaluronan synthesis, and HAS3 shedding in extracellular vesicles. Hyaluronic Acid hyaluronan synthase 3 Homo sapiens
9 The concentration of UDP-GlcNAc also controlled the level of O-GlcNAc modification of HAS3. Uridine Diphosphate N-Acetylglucosamine hyaluronan synthase 3 Homo sapiens
10 Increasing O-GlcNAcylation reproduced the effects of UDP-GlcNAc surplus on HAS3 trafficking, while its suppression showed the opposite effects, indicating that O-GlcNAc signaling is associated to UDP-GlcNAc supply. Uridine Diphosphate N-Acetylglucosamine hyaluronan synthase 3 Homo sapiens
11 In general, changes in glucose metabolism, realized through UDP-sugar contents and O-GlcNAc signaling, are important in HAS3 trafficking, hyaluronan synthesis, and correlates with melanoma progression. Glucose hyaluronan synthase 3 Homo sapiens