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2017 ; 14
(3
): 1975-1982
Nephropedia Template TP
gab.com Text
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English Wikipedia
Epigallocatechin-3-gallate attenuates neointimal hyperplasia in a rat model of
carotid artery injury by inhibition of high mobility group box 1 expression
#MMPMID28962112
Yang B
; Gao P
; Wu X
; Yu J
; Li Y
; Meng R
; Li Y
; Yan J
; Jin X
Exp Ther Med
2017[Sep]; 14
(3
): 1975-1982
PMID28962112
show ga
Epigallocatechin-3-gallate (EGCG) is a kind of polyphenol compound, called
catechin, and is extracted from green tea. EGCG has a wide range of biological
activities. The present study aimed to evaluate the effect of EGCG on neointimal
hyperplasia in a rat model of carotid artery balloon injury and to explore the
molecular mechanisms involved. Various experiments were performed to assess the
effects of EGCG on thickening of neointima, expression levels of high mobility
group box 1 protein (HMGB1) and receptor of advanced glycation end products
(RAGE), the inflammatory response, oxidative stress and activation of nuclear
factor (NF)-?B. Results demonstrated that EGCG decreased the intimal area and the
ratio of intimal area/medial area compared with the balloon injury group. The
expression levels of HMGB1 and RAGE induced by balloon injury were markedly
inhibited by EGCG treatment. Furthermore, the inflammatory response and oxidative
stress damage, which have close correlations with HMGB1, were restrained by EGCG.
Finally, EGCG treatment markedly inhibited NF-?B activation. The present data
provided evidence that EGCG attenuates neointimal hyperplasia in a model of
carotid artery balloon injury, which indicated that EGCG may serve as a potential
drug for restenosis in clinics.