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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Am+J+Transl+Res
2015 ; 7
(10
): 1724-35
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Tert-butylhydroquinone ameliorates doxorubicin-induced cardiotoxicity by
activating Nrf2 and inducing the expression of its target genes
#MMPMID26692920
Wang LF
; Su SW
; Wang L
; Zhang GQ
; Zhang R
; Niu YJ
; Guo YS
; Li CY
; Jiang WB
; Liu Y
; Guo HC
Am J Transl Res
2015[]; 7
(10
): 1724-35
PMID26692920
show ga
Oxidative stress plays an important role in doxorubicin (DOX)-induced
cardiotoxicity. Nuclear factor E2-related factor-2 (Nrf2) is a transcription
factor that orchestrates the antioxidant and cytoprotective responses to
oxidative stress. In the present study, we tested whether tert-butylhydroquinone
(tBHQ) could protect against DOX-induced cardiotoxicity in vivo and, if so,
whether the protection was associated with the up-regulation of the Nrf2 pathway.
The results showed that treatment with tBHQ significantly decreased the
DOX-induced cardiac injury in wild-type mice. Moreover, tBHQ ameliorated the
DOX-induced oxidative stress and apoptosis. Further studies suggested that tBHQ
increased the nuclear accumulation of Nrf2 and the Nrf2-regulated gene
expression, including heme oxygenase-1 (HO-1) and NAD(P)H: quinone
oxido-reductase-1 (NQO-1) expression. Knocking out Nrf2 in mice abolished the
protective effect of tBHQ on the DOX-induced cardiotoxicity. These results
indicate that tBHQ has a beneficial effect on DOX-induced cardiotoxicity, and
this effect was associated with the enhanced expression of Nrf2 and its
downstream antioxidant genes, HO-1 and NQO-1.