CD4(+) CD25(+) regulatory T cells ameliorate Behcet's disease-like symptoms in a mouse model.

Authors: Shim, J  Lee, ES  Park, S  Bang, D  Sohn, S 
Citation: Shim J, etal., Cytotherapy. 2011 Aug;13(7):835-47. doi: 10.3109/14653249.2011.571245. Epub 2011 Apr 21.
Pubmed: (View Article at PubMed) PMID:21506890
DOI: Full-text: DOI:10.3109/14653249.2011.571245

BACKGROUND AIMS: Behcet's disease (BD) is a chronic, multisystemic inflammatory disorder with arthritic, gastrointestinal, mucocutaneous, ocular, vascular and central nervous system involvement. It is well known that CD4(+) CD25(+) T-regulatory (Treg) cells prevent harmful immune responses to self- and non-self-antigens. In the present study, the role of Treg cells in herpes simplex virus (HSV)-induced BD-like symptoms was investigated. METHODS: HSV type 1 (F strain) inoculation of the earlobe of ICR mice has been shown to induce the development of BD-like symptoms. To determine whether the effect of Treg was associated with change in BD-like symptoms, CD4(+) CD25(+) T cells from the splenocytes of normal mice were adoptively transferred intravenously. Treg cells of splenocytes were significantly elevated following the transfer of 3 x 10(5) CD4(+) CD25(+) T cells to BD-like mice compared with the control group. RESULTS: The transfer of CD4(+) CD25(+) T cells to BD mice improved the symptoms, and the serum protein levels of interleukin (IL)-10, IL-6 and IL-17 were significantly altered compared with the control groups. Intravenous injection of anti-CD25 antibody to BD mice reduced the frequency of CD4(+) CD25(+) T cells and increased the BD severity score. We confirmed the influence of CD4(+) CD25(+) T cells on BD-like mice. CONCLUSIONS: These results show that up-regulation of the CD4(+) CD25(+) T cells in BD-like mice improves the inflammatory symptoms, while down-regulation of CD25(+) T cells is associated with deteriorated symptoms. Furthermore, these findings are correlated with changes in pro-inflammatory and anti-inflammatory cytokine levels.

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CRRD Object Information
CRRD ID: 7364843
Created: 2013-10-02
Species: All species
Last Modified: 2013-10-02
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.