eISSN: 2084-9869
ISSN: 1233-9687
Polish Journal of Pathology
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SCImago Journal & Country Rank
2/2014
vol. 65
 
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abstract:

The influence of Th1/Th2 and CD4+ regulatory t cells of mesenteric lymph nodes on systemic lipopolysaccharide

Wenli Yu
,
Hongyin Du
,
Qiang Fu
,
Naiqiang Cui
,
Chao Du

Pol J Pathol 2014; 65 (2): 125-129
Online publish date: 2014/07/28
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Our aims were to study the influence of the mesenteric lymph nodes (MLN) of rats on systemic lipopolysaccharide and to identify the factor that affects the intestinal endotoxin translocation.

Ninety-six male Wistar rats were randomly divided into a sham-operation group (S group) and a cecal ligation and perforation group (CLP group). Twenty-four hours after modeling, we tested the Th1/Th2 ratio and percentage of CD4+CD25+Foxp3+ Treg in the MLN. At the same time, the lipopolysaccharide (LPS) in the abdominal aortic blood was detected.

In the CLP group, the Th1/Th2 ratio was obviously lower than in the S group. Otherwise, the percentage of CD4+CD25+Foxp3+ Treg of the CLP group was significantly higher than the S group. In the abdominal aortic blood, the LPS level of the CLP group was also higher than in the S group. Through correlation analysis, we found that the level of LPS was positively correlated with the percentage of CD4+CD25+Foxp3+ Treg, and negatively correlated with the Th1/Th2 ratio.

This model reveals that the immune suppression of the MLN might affect the level of LPS in the abdominal aortic blood, which might play a certain role in affecting the endotoxin translocation.
keywords:

lipopolysaccharide (LPS), mesenteric lymph node, percentage of CD4+CD25+Foxp3+ Treg, Th1/Th2 ratio

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