03 June 2019 : Laboratory Research
Screening Analysis of Sirtuins Family Expression on Anti-Inflammation of Resveratrol in Endothelial CellsHuizhen Yu12ABDEFG, Wei Pan13ABCEG, Huashan Huang1BDF, Junming Chen1CD, Baohua Sun2CG, Linxin Yang1DF, Pengli Zhu1ACDEFG*
Med Sci Monit 2019; 25:4137-4148
BACKGROUND: Resveratrol has been shown to possess beneficial activities including antioxidant, anti-inflammatory, and cardioprotective effects through activating a nicotinamide adenine dinucleotide (NAD)-dependent histone deacetylase family member sirtuin-1 (SIRT1) protein. The current study was undertaken to investigate the role of sirtuin family members (SIRT1–SIRT7) on the anti-inflammation activities of resveratrol in endothelial cells.
MATERIAL AND METHODS: Primary human umbilical vein endothelial cells (HUVECs) were pretreated with resveratrol before tumor necrosis factor (TNF)-α (10–20 μg/L) stimulation. Cell viability was measured using the Cell Counting Kit-8 method. Total RNA was extracted after different treatments and the NimbleGen Human 12×135K Gene Expression Array was applied to screen and analyze SIRTs expression. Quantitative real-time polymerase chain reaction and western blot were applied to verify the results of the gene expression microarrays. Reactive oxygen species (ROS) production was examined using flow cytometry analysis.
RESULTS: Microarray analysis showed that the expressions of SIRT1, SIRT2, SIRT3, SIRT5, SIRT6, and SIRT7 showed the tendency to increase while SIRT4 showed the tendency to decrease. SIRT1, SIRT2, SIRT5, and SIRT7 gene expression could be upregulated by pretreatment with resveratrol compared with TNF-α alone while there were no obvious differences of SIRT3, SIRT4, and SIRT6 expressions observed in TNF-α alone treated cells and resveratrol-TNF-α co-treated cells. Interestingly, SIRT1, SIRT2, SIRT3, SIRT4, and SIRT5 siRNA could reverse the effect of resveratrol on ROS production; SIRT1 and SIRT5 siRNA could significantly increase CD40 expression inhibited by resveratrol in TNF-a treated cells.
CONCLUSIONS: Our results suggest that resveratrol inhibiting oxidative stress production is associated with SIRT1, SIRT2, SIRT3, SIRT4, and SIRT5 pathways; attenuating CD40 expression was only associated with SIRT1 and SIRT5 pathways in TNF-α-induced endothelial cells injury.
Keywords: endothelial cells, Sirtuins, Antioxidants, Cells, Cultured, China, Gene Expression, Gene Expression Regulation, Human Umbilical Vein Endothelial Cells, Mitochondria, Mitochondrial Proteins, Oxidative Stress, RNA, Small Interfering, Reactive Oxygen Species, resveratrol
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