Vascular endothelial growth factor (VEGF) is important for maintaining healthy endothelium, which is crucial for vascular integrity. In this paper, we show that VEGF stimulates the nuclear translocation of endothelial differentiation-related factor 1 (EDF1), a highly conserved intracellular protein implicated in molecular events that are pivotal to endothelial function. In the nucleus, EDF1 serves as a transcriptional coactivator of peroxisome proliferator-activated receptor gamma (PPAR gamma), which has a protective role in the vasculature. Indeed, silencing EDF1 prevents VEGF induction of PPAR gamma activity as detected by gene reporter assay. Accordingly, silencing EDF1 markedly inhibits the stimulatory effect of VEGF on the expression of FABP4, a PPAR gamma-inducible gene. As nitric oxide is a marker of endothelial function, it is noteworthy that we report a link between EDF1 silencing, decreased levels of FABP4, and nitric oxide production. We conclude that EDF1 is required for VEGF-induced activation of the transcriptional activity of PPAR gamma
The contribution of EDF1 to PPARγ transcriptional activation in VEGF-treated human endothelial cells / A. Cazzaniga, L. Locatelli, S. Castiglioni, J. Maier. - In: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES. - ISSN 1661-6596. - 19:7(2018 Jul). [10.3390/ijms19071830]
The contribution of EDF1 to PPARγ transcriptional activation in VEGF-treated human endothelial cells
A. CazzanigaPrimo
Membro del Collaboration Group
;L. LocatelliSecondo
Membro del Collaboration Group
;S. CastiglioniPenultimo
Membro del Collaboration Group
;J. Maier
Ultimo
Conceptualization
2018
Abstract
Vascular endothelial growth factor (VEGF) is important for maintaining healthy endothelium, which is crucial for vascular integrity. In this paper, we show that VEGF stimulates the nuclear translocation of endothelial differentiation-related factor 1 (EDF1), a highly conserved intracellular protein implicated in molecular events that are pivotal to endothelial function. In the nucleus, EDF1 serves as a transcriptional coactivator of peroxisome proliferator-activated receptor gamma (PPAR gamma), which has a protective role in the vasculature. Indeed, silencing EDF1 prevents VEGF induction of PPAR gamma activity as detected by gene reporter assay. Accordingly, silencing EDF1 markedly inhibits the stimulatory effect of VEGF on the expression of FABP4, a PPAR gamma-inducible gene. As nitric oxide is a marker of endothelial function, it is noteworthy that we report a link between EDF1 silencing, decreased levels of FABP4, and nitric oxide production. We conclude that EDF1 is required for VEGF-induced activation of the transcriptional activity of PPAR gammaFile | Dimensione | Formato | |
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