Title : Regulation and function of aquaporin-1 in glioma cells.

Pub. Date : 2007 Sep

PMID : 17898873






3 Functional Relationships(s)
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1 In cultured 9L gliosarcoma cells, AQP1 expression was induced by dexamethasone, platelet-derived growth factor, NaCl, hypoxia, D-glucose (but not L-glucose), and fructose. Glucose aquaporin 1 (Colton blood group) Homo sapiens
2 Induction of AQP1 expression correlated with the level of glycolysis, maximized by increasing medium D-glucose or fructose and decreasing O(2), and was quantified by measuring lactate dehydrogenase (LDH) activity and medium lactate concentration. Glucose aquaporin 1 (Colton blood group) Homo sapiens
3 Increased glucose metabolism at the tumor periphery may provide a scenario by which upregulation of AQP1, LDH, and cathepsin B contributes to acidification of the extracellular milieu and to invasive potential of glioma cells in perivascular space. Glucose aquaporin 1 (Colton blood group) Homo sapiens