Corynoline Exhibits Anti-inflammatory Effects in Lipopolysaccharide (LPS)-Stimulated Human Umbilical Vein Endothelial Cells through Activating Nrf2.

Abstract:

:Corynoline, a bioactive compound isolated from Corydalis bungeana Turcz., has been known to have anti-inflammatory activity. However, its effects on the inflammation of the cardiovascular system have not been reported yet. The aim of this study was to investigate the anti-inflammatory effects of corynoline on lipopolysaccharide (LPS)-stimulated human umbilical vein endothelial cells (HUVECs). The results showed that LPS significantly increased the expression of VCAM-1 and ICAM-1. The production of cytokines TNF-α and IL-8 was also up-regulated by LPS. However, these increases were concentration-dependently suppressed by the treatment of corynoline. To investigate the anti-inflammatory mechanism of corynoline, we checked the activation of NF-κB and the expression of Nrf2. The results showed that LPS-induced NF-κB activation was suppressed by corynoline. The expression of Nrf2 and HO-1 was up-regulated by the treatment of corynoline. Knockdown of Nrf2 could reverse the anti-inflammatory effects of corynoline. In conclusion, the results indicated that corynoline exhibited anti-inflammatory activity by activating Nrf2.

journal_name

Inflammation

journal_title

Inflammation

authors

Liu B,Su K,Wang J,Wang J,Xin Z,Li F,Fu Y

doi

10.1007/s10753-018-0807-6

subject

Has Abstract

pub_date

2018-10-01 00:00:00

pages

1640-1647

issue

5

eissn

0360-3997

issn

1573-2576

pii

10.1007/s10753-018-0807-6

journal_volume

41

pub_type

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