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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 Front+Pharmacol
2017 ; 8
(ä): 613
Nephropedia Template TP
gab.com Text
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English Wikipedia
Hydroxysafflor Yellow A Attenuates the Apoptosis of Peripheral Blood CD4(+) T
Lymphocytes in a Murine Model of Sepsis
#MMPMID28932195
Wang J
; Wang P
; Gui S
; Li Y
; Chen R
; Zeng R
; Zhao P
; Wu H
; Huang Z
; Wu J
Front Pharmacol
2017[]; 8
(ä): 613
PMID28932195
show ga
Sepsis is generally considered as a severe condition of inflammation that leads
to lymphocyte apoptosis and multiple organ dysfunction. Hydroxysafflor yellow A
(HSYA) exerts anti-inflammatory and anti-apoptotic effects in infectious
diseases. However, the therapeutic effect of HSYA on polymicrobial sepsis remains
unknown. This study was undertaken to investigate the therapeutic effects and the
mechanisms of action of HSYA on immunosuppression in a murine model of sepsis
induced by cecal ligation and puncture (CLP). NIH mice were randomly divided into
four groups: control group, sham group, CLP group, and CLP+HSYA group. HSYA (120
mg/kg) was intravenously injected into experimental mice at 12 h before CLP,
concurrent with CLP and 12 h after CLP. The levels of circulating inflammatory
cytokines, the apoptosis of CD4(+) and CD8(+) T lymphocytes, and protein
expression of cytochrome C (Cytc), Bax, Bcl-2, cleaved caspase-9, and cleaved
caspase-3 were examined. Plasma levels of IL-6, IL-10 and TNF-alpha as well as
the apoptosis of CD4(+) T lymphocytes were increased compared with sham group.
These changes were accompanied by increases of pro-apoptotic proteins including
Cytc, Bax, cleaved caspase-9, and cleaved caspase-3 and decreases of
anti-apoptotic protein Bcl-2 in CD4(+) T lymphocytes from mice undergoing CLP. In
contrast, we fail to observe significant effect of HSYA on the apoptosis of
CD8(+) T lymphocytes in CLP-treated group. Of note, HSYA treatment reversed all
above changes observed in CD4(+) T lymphocytes, and significantly increased the
ratio of CD4(+):CD8(+) T lymphocytes in CLP-treated mice. In conclusion, HSYA was
an effective therapeutic agent in ameliorating sepsis-induced apoptosis of CD4(+)
T lymphocytes probably through its anti-inflammatory and anti-apoptotic effects.