Chebulic acid inhibits advanced glycation end products-mediated vascular dysfunction by suppressing ROS via the ERK/Nrf2 pathway

Mi Hyun Nam, Won rak Son, Sung Yong Yang, Young Seok Lee, Kwang Won Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Advanced glycation end-products (AGEs) considered as a fatal mediator in the diabetic atherosclerotic pathology. In this study, we evaluated the effects of chebulic acid (CA) on anti-oxidant activities and its glycoaldehyde-induced AGEs (glycol-AGEs)-mediates systemic vascular dysfunction in endothelium, monocytes, and smooth muscle cells (SMC) co-culture condition. CA exhibited strong at free radical scavenging activity by blocking intracellular ROS formation in endothelium. They also suppressed endothelial activation by blocking the monocytes adhesion to endothelium, and pro-inflammatory cytokines, such as TNF-α, IL-1β, and IL-6 as well as enhancing anti-oxidant detoxification defensing mediators such as HO-1 and NQO1 expression, through ERK/Nrf2 signaling in HUVEC. Furthermore, CA administration provided powerful anti-inflammatory supplements to mice, and also has similar results by enhancing Nrf2, and their down-streamed mediators. These in vitro and in vivo studies indicated that CA attenuated glycol-AGEs-mediates vascular dysfunction by ameliorating AGEs-induced inflammation and oxidative stress via enhancing the detoxification defensing pathway of ERK/Nrf2.

Original languageEnglish
Pages (from-to)150-161
Number of pages12
JournalJournal of Functional Foods
Volume36
DOIs
Publication statusPublished - 2017 Sep 1

Fingerprint

Advanced Glycosylation End Products
MAP Kinase Signaling System
blood vessels
Blood Vessels
endothelium
Endothelium
acids
Oxidants
monocytes
Monocytes
interleukin-1
coculture
Coculture Techniques
in vivo studies
Interleukin-1
oxidants
interleukin-6
smooth muscle
myocytes
Free Radicals

Keywords

  • Advanced glycation end products
  • Inflammation
  • Nuclear factor E2-related factor
  • Oxidative stress
  • Vascular dysfunction

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science
  • Nutrition and Dietetics

Cite this

Chebulic acid inhibits advanced glycation end products-mediated vascular dysfunction by suppressing ROS via the ERK/Nrf2 pathway. / Nam, Mi Hyun; Son, Won rak; Yang, Sung Yong; Lee, Young Seok; Lee, Kwang Won.

In: Journal of Functional Foods, Vol. 36, 01.09.2017, p. 150-161.

Research output: Contribution to journalArticle

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