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Immune modulatory effect of thalidomide on T cells

Authors
 B.S. Kim  ;  J.Y. Kim  ;  J.G. Lee  ;  Y. Cho  ;  K.H. Huh  ;  M.S. Kim  ;  Y.S. Kim 
Citation
 Transplantation Proceedings, Vol.47(3) : 787-790, 2015 
Journal Title
 Transplantation Proceedings 
ISSN
 0041-1345 
Issue Date
2015
Abstract
BACKGROUND: Thalidomide was originally used to alleviate morning sickness in pregnant women, but was banned due to severe adverse effects. Since the discovery of its anticancer and anti-inflammatory properties, it has regained research interest. However, its mechanism of action is still unknown. Therefore, we examined the effects of thalidomide on effector T (Teff) and regulatory T (Treg) cells in splenocytes of mice. METHODS: Splenic CD4(+), CD44(low), and CD62L(high) T lymphocytes (Tnaives) isolated from C57BL/6 mice were cultured for T-cell proliferation and Treg conversion. For T-cell proliferation, naive T cells (Tnaives) were cultured for 72 hours with anti-CD3 and anti-CD28 antibodies, and carboxyfluorescein succinimidyl ester (CFSE) labeling method was used. For Treg conversion, Tnaives were cultured for 72 hours with transforming growth factor-β1 (TGF-β1) and interleukin-2 (IL-2). Naïve T cells were plated at 1.5 × 10(5) cells on 96-well plates with 0, 1, 10, 50, or 100 μmol/L thalidomide. All samples were analyzed by flow cytometry after staining with CFSE, APC-conjugated anti-mouse CD4, and FITC-conjugated anti-mouse FoxP3. RESULTS: Thalidomide significantly decreased the proliferation of CD4(+) Teffs in a dose-dependent manner (P < .01). In contrast, conversion to CD4(+)FoxP3(+) Tregs tended to increase by thalidomide treatment, although the increase was not statistically significant. CONCLUSION: These findings suggest that thalidomide may have an immune modulatory effect by selectively suppressing CD4(+) Teff proliferation. Further studies will be needed to elucidate the underlying signaling pathway.
Full Text
http://www.sciencedirect.com/science/article/pii/S0041134515001190
DOI
10.1016/j.transproceed.2014.12.038
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
김명수(Kim, Myoung Soo) ORCID logo https://orcid.org/0000-0002-8975-8381
김범석(Kim, Beom Seok) ORCID logo https://orcid.org/0000-0002-5732-2583
김유선(Kim, Yu Seun) ORCID logo https://orcid.org/0000-0002-5105-1567
이재근(Lee, Jae Geun) ORCID logo https://orcid.org/0000-0002-6722-0257
허규하(Huh, Kyu Ha) ORCID logo https://orcid.org/0000-0003-1364-6989
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/139915
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