期刊
MOLECULES
卷 28, 期 18, 页码 -出版社
MDPI
DOI: 10.3390/molecules28186717
关键词
hispidulin; Porphyromonas gingivalis; lipopolysaccharide; monocyte; vascular endothelial cells; vascular inflammation
This study found that hispidulin can inhibit the vascular inflammation induced by P. gingivalis LPS by suppressing the NF-kappa B, MAPKs, and AKT signaling pathways. It achieves this by reducing the adhesion and migration of monocytes to endothelial cells.
Hispidulin is a natural bioactive flavonoid that has been studied for its potential therapeutic properties, including its anti-inflammatory, antioxidant, and neuroprotective effects. The aim of this study was to explore whether hispidulin could inhibit the endothelial inflammation triggered by Porphyromonas gingivalis (P. gingivalis) lipopolysaccharide (LPS). The adhesion of monocytes to the vascular endothelium was evaluated through in vitro and ex vivo monocyte adhesion assays. We analyzed the migration of monocytes across the endothelial layer using a transmigration assay. The results showed that treatment with hispidulin decreased the P. gingivalis LPS-induced adhesion of monocytes to endothelial cells and their migration by suppressing the P. gingivalis LPS-triggered expression of intercellular adhesion molecule-1 (ICAM-1) through downregulating nuclear factor-kappa B (NF-kappa B). In addition, hispidulin inhibited P. gingivalis LPS-induced mitogen-activated protein kinases (MAPKs) and AKT in endothelial cells. Altogether, the results indicate that hispidulin suppresses the vascular inflammation induced by P. gingivalis LPS. Mechanistically, it prevents the adhesion of monocytes to the vascular endothelium and migration and inhibits NF-kappa B, MAPKs, and AKT signaling in endothelial cells.
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