Title : Rosiglitazone increases cell surface GLUT4 levels in 3T3-L1 adipocytes through an enhancement of endosomal recycling.

Pub. Date : 2010 May 1

PMID : 20026082






9 Functional Relationships(s)
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1 Rosiglitazone increases cell surface GLUT4 levels in 3T3-L1 adipocytes through an enhancement of endosomal recycling. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
2 The aim of this study was to evaluate the effect of the thiazolidinedione rosiglitazone (BRL 49653) on GLUT4 in adipocytes. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
3 When applied during differentiation, rosiglitazone dose dependently augmented GLUT4 expression along with the formation of lipid droplets. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
4 Treatment of fully differentiated adipocytes with rosiglitazone also led to increases in GLUT4 at the plasma membrane. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
5 The augmentation in cell surface GLUT4 levels was maintained in adipocytes that were rendered insulin-resistant in vitro by a 24h insulin treatment and moreover in these cells rosiglitazone also fully restored insulin-induced GLUT4 translocation. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
6 The augmentation in cell surface GLUT4 levels was maintained in adipocytes that were rendered insulin-resistant in vitro by a 24h insulin treatment and moreover in these cells rosiglitazone also fully restored insulin-induced GLUT4 translocation. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
7 We conclude that in adipocytes, rosiglitazone increases cell surface GLUT4 levels by increasing its endosomal recycling and restores insulin-induced GLUT4 translocation in insulin resistance. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
8 We conclude that in adipocytes, rosiglitazone increases cell surface GLUT4 levels by increasing its endosomal recycling and restores insulin-induced GLUT4 translocation in insulin resistance. Rosiglitazone solute carrier family 2 member 4 Homo sapiens
9 These results implicate novel modes of action on GLUT4 that are all likely to contribute to the insulin-sensitizing effect of rosiglitazone in type 2 diabetes. Rosiglitazone solute carrier family 2 member 4 Homo sapiens