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Activator protein-1 contributes to the NaCl-induced expression of VEGF and PlGF in RPE cells.
Conclusions: The data indicate that AP-1 is activated in RPE cells in response to extracellular hyperosmolarity and mediates in part via the NaCl-induced expression of VEGF and PlGF, and secretion of PlGF. It is suggested that high consumption of dietary salt may exacerbate the angiogenic response of RPE cells in part via activation of AP-1. PMID: 30310263 [PubMed - in process]
Source: Molecular Vision - October 13, 2018 Category: Molecular Biology Tags: Mol Vis Source Type: research

Osmotic and hypoxic induction of the complement factor C9 in cultured human retinal pigment epithelial cells: Regulation of VEGF and NLRP3 expression.
Conclusions: The expression of the C9 gene in cultured RPE cells is highly induced by extracellular hyperosmolarity, hypoxia, and oxidative stress. The data may support the assumption that C9 gene expression may stimulate the expression of inflammatory (NLRP3) and angiogenic growth factors (VEGF) in RPE cells. Extracellular C9 protein may attenuate this effect, in part via negative regulation of the C9 mRNA level. PMID: 30090015 [PubMed - in process]
Source: Molecular Vision - August 11, 2018 Category: Molecular Biology Tags: Mol Vis Source Type: research