Tannic acid as a plant-derived polyphenol exerts vasoprotection via enhancing KLF2 expression in endothelial cells.
Tannic acid as a plant-derived polyphenol exerts vasoprotection via enhancing KLF2 expression in endothelial cells.
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DOI:
10.1038/s41598-017-06803-x
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发表时间:
2017-07-27
影响因子:
4.6
通讯作者:
Jin ZG
中科院分区:
文献类型:
--
作者:
Xu Y;Liu P;Xu S;Koroleva M;Zhang S;Si S;Jin ZG
The transcription factor Kruppel-like factor 2 (KLF2) is a critical anti-inflammatory and anti-atherogenic molecule in vascular endothelium. Enhancing KLF2 expression and activity improves endothelial function and prevents atherosclerosis. However, the pharmacological and molecular regulators for KLF2 are scarce. Using high-throughput luciferase reporter assay to screen for KLF2 activators, we have identified tannic acid (TA), a polyphenolic compound, as a potent KLF2 activator that attenuates endothelial inflammation. Mechanistic studies suggested that TA induced KLF2 expression in part through the ERK5/MEF2 pathway. Functionally, TA markedly decreased monocyte adhesion to ECs by reducing expression of adhesion molecule VCAM1. Using lung ECs isolated from Klf2 +/+ and Klf2 +/− mice, we showed that the anti-inflammatory effect of TA is dependent on KLF2. Collectively, our results demonstrate that TA is a potent KLF2 activator and TA attenuated endothelial inflammation through upregulation of KLF2. Our findings provide a novel mechanism for the well-established beneficial cardiovascular effects of TA and suggest that KLF2 could be a novel therapeutic target for atherosclerotic vascular disease.
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影响因子:
3.7
作者:
Ma Q;Nie X;Yu M;Wang Z;Yang S;Jia D;Zhou Y
通讯作者:
Zhou Y
影响因子:
20.3
作者:
Dekker, RJ;van Soest, S;Horrevoets, AJG
通讯作者:
Horrevoets, AJG
影响因子:
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作者:
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通讯作者:
Jin ZG
影响因子:
20.1
作者:
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通讯作者:
Jain MK
影响因子:
15.9
作者:
Parmar, KM;Larman, HB;Garcia-Cardeña, G
通讯作者:
Garcia-Cardeña, G