Title : Glucose degradation products downregulate ZO-1 expression in human peritoneal mesothelial cells: the role of VEGF.

Pub. Date : 2005 Jul

PMID : 15814533






10 Functional Relationships(s)
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1 In the present study, we studied the acute effect of GDPs on the expression of tight junction-associated protein, zonula occludens protein 1 (ZO-1), in human peritoneal mesothelial cells (HPMC). gdps tight junction protein 1 Homo sapiens
2 In the present study, we studied the acute effect of GDPs on the expression of tight junction-associated protein, zonula occludens protein 1 (ZO-1), in human peritoneal mesothelial cells (HPMC). gdps tight junction protein 1 Homo sapiens
3 The role of the vascular endothelial growth factor (VEGF) induced by GDPs in the expression of ZO-1 was also examined. gdps tight junction protein 1 Homo sapiens
4 RESULTS: ZO-1 expression in HPMC was downregulated in a time- and dose-dependent manner following culture with subtoxic concentrations of GDPs (FurA, M-Glx and 3,4-DGE). gdps tight junction protein 1 Homo sapiens
5 Exogenous VEGF downregulated the expression of ZO-1 and neutralizing anti-VEGF antibody reversed the effect of GDPs on ZO-1 expression in HPMC, suggesting the action of GDPs on ZO-1 expression was mediated by VEGF. gdps tight junction protein 1 Homo sapiens
6 Exogenous VEGF downregulated the expression of ZO-1 and neutralizing anti-VEGF antibody reversed the effect of GDPs on ZO-1 expression in HPMC, suggesting the action of GDPs on ZO-1 expression was mediated by VEGF. gdps tight junction protein 1 Homo sapiens
7 Exogenous VEGF downregulated the expression of ZO-1 and neutralizing anti-VEGF antibody reversed the effect of GDPs on ZO-1 expression in HPMC, suggesting the action of GDPs on ZO-1 expression was mediated by VEGF. gdps tight junction protein 1 Homo sapiens
8 Exogenous VEGF downregulated the expression of ZO-1 and neutralizing anti-VEGF antibody reversed the effect of GDPs on ZO-1 expression in HPMC, suggesting the action of GDPs on ZO-1 expression was mediated by VEGF. gdps tight junction protein 1 Homo sapiens
9 Exogenous VEGF downregulated the expression of ZO-1 and neutralizing anti-VEGF antibody reversed the effect of GDPs on ZO-1 expression in HPMC, suggesting the action of GDPs on ZO-1 expression was mediated by VEGF. gdps tight junction protein 1 Homo sapiens
10 CONCLUSIONS: We have demonstrated that short-term exposure to GDPs downregulates ZO-1 expression in HPMC through the generation of VEGF. gdps tight junction protein 1 Homo sapiens