Abstract
Our previous studies demonstrated that Qi-Shao-Shuang-Gan (QSSG), a combination of Astragalus membranaceus saponins (SAM) with Paeonia lactiflora glycosides (GPL), possessed protective effects against sepsis in mice. The present study aimed to explore its underlying mechanisms with a focus on the adhesion between leukocytes and inflammatory endothelial cells. Our results showed that QSSG (10, 30, 100 μg/ml) concentration-dependently inhibited the adhesion between leukocytes and lipopolysaccharide (LPS)-stimulated human umbilical vein endothelial cells (HUVECs), and downregulated the expressions of endothelial adhesion molecules such as E-selectin, P-selectin, intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) in HUVECs. It also suppresssed the phosphorylations of JNK, ERK and p38 MAPK, as well as the activation of NF-κB in HUVECs. The findings revealed that QSSG was able to prevent the adhesion between leukocytes and endothelial cells, which supported a plausible explanation for the antiseptic effects of QSSG.
Keywords: QSSG, adhesion, adhesion molecules, antiseptic effect, endothelial cells, leukocytes.
Current Signal Transduction Therapy
Title:Qi-Shao-Shuang-Gan Prevents Adhesion between Leukocytes and Inflammatory Endothelial Cells
Volume: 8 Issue: 2
Author(s): Xinghua Gao, Difei Bian, Xianxiang Xu, Rong Pan, Yufeng Xia, Side Jiang and Yue Dai
Affiliation:
Keywords: QSSG, adhesion, adhesion molecules, antiseptic effect, endothelial cells, leukocytes.
Abstract: Our previous studies demonstrated that Qi-Shao-Shuang-Gan (QSSG), a combination of Astragalus membranaceus saponins (SAM) with Paeonia lactiflora glycosides (GPL), possessed protective effects against sepsis in mice. The present study aimed to explore its underlying mechanisms with a focus on the adhesion between leukocytes and inflammatory endothelial cells. Our results showed that QSSG (10, 30, 100 μg/ml) concentration-dependently inhibited the adhesion between leukocytes and lipopolysaccharide (LPS)-stimulated human umbilical vein endothelial cells (HUVECs), and downregulated the expressions of endothelial adhesion molecules such as E-selectin, P-selectin, intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) in HUVECs. It also suppresssed the phosphorylations of JNK, ERK and p38 MAPK, as well as the activation of NF-κB in HUVECs. The findings revealed that QSSG was able to prevent the adhesion between leukocytes and endothelial cells, which supported a plausible explanation for the antiseptic effects of QSSG.
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Cite this article as:
Gao Xinghua, Bian Difei, Xu Xianxiang, Pan Rong, Xia Yufeng, Jiang Side and Dai Yue, Qi-Shao-Shuang-Gan Prevents Adhesion between Leukocytes and Inflammatory Endothelial Cells, Current Signal Transduction Therapy 2013; 8 (2) . https://dx.doi.org/10.2174/15743624113089990002
DOI https://dx.doi.org/10.2174/15743624113089990002 |
Print ISSN 1574-3624 |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-389X |
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