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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 Int+J+Mol+Med
2016 ; 38
(1
): 210-6
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Brazilin exerts protective effects against renal ischemia-reperfusion injury by
inhibiting the NF-?B signaling pathway
#MMPMID27247107
Jia Y
; Zhao J
; Liu M
; Li B
; Song Y
; Li Y
; Wen A
; Shi L
Int J Mol Med
2016[Jul]; 38
(1
): 210-6
PMID27247107
show ga
Renal ischemia-reperfusion (I/R) injury is associated with high morbidity and
mortality as there is currently no available effective therapeutic strategy with
which to treat this injury. Thus, the aim of this study was to investigate the
potential protective effects of brazilin, a major active component of the Chinese
medicine Caesalpinia sappan L., against renal I/R injury in vitro and in vivo.
Rats were subjected to removal of the right kidney and I/R injury to the left
kidney (ischemia for 45 min followed by reperfusion for 24 h). Treatment with
brazilin (30 mg/kg, administered intravenously at 30 min prior to ischemia) led
to the reversal of I/R-induced changes in serum creatinine (Scr) and blood urea
nitrogen (BUN) levels, and also attenuated the histopathological damage induced
by I/R. Furthermore, TUNEL assay revealed that brazilin reduced cell necrosis,
and significantly decreased the expression of tumor necrosis factor (TNF)-? and
interleukin (IL)-1? in renal tissue. Moreover, HK-2 cells were used in order to
elucidate the mechanisms responsible for the protective effects of brazilin. The
levels of phosphorylated I?B? and the nuclear translocation of nuclear
factor-?B (NF-?B) were all evidently decreased by brazilin. These findings
suggested that pre-treatment with brazilin protects against I/R-induced renal
damage and suppresses the inflammatory response by inhibiting the activation of
the NF-?B signaling pathway.
|*Signal Transduction/drug effects
[MESH]
|Animals
[MESH]
|Apoptosis/drug effects
[MESH]
|Benzopyrans/chemistry/pharmacology/*therapeutic use
[MESH]