Article Publish Status: FREE
Abstract Title:

Hydroxysafflor Yellow A Attenuates the Apoptosis of Peripheral Blood CD4T Lymphocytes in a Murine Model of Sepsis.

Abstract Source:

Front Pharmacol. 2017 ;8:613. Epub 2017 Sep 6. PMID: 28932195

Abstract Author(s):

Jinping Wang, Ping Wang, Shuiqing Gui, Yun Li, Runhua Chen, Renqing Zeng, Peiyan Zhao, Hanwei Wu, Zheyu Huang, Jianlong Wu

Article Affiliation:

Jinping Wang


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 CD4and CD8T 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 CD4T 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 CD4T lymphocytes from mice undergoing CLP. In contrast, we fail to observe significant effect of HSYA on the apoptosis of CD8T lymphocytes in CLP-treated group. Of note, HSYA treatment reversed all above changes observed in CD4T lymphocytes, and significantly increased the ratio of CD4:CD8T lymphocytes in CLP-treated mice. In conclusion, HSYA was an effective therapeutic agent in ameliorating sepsis-induced apoptosis of CD4T lymphocytes probably through its anti-inflammatory and anti-apoptotic effects.

Study Type : Animal Study

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