IMMUNE NETWORK

  • 제13권1호
  • /
  • Pages.25-29
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  • 2013
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  • 1598-2629(pISSN)
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  • 2092-6685(eISSN)
대한면역학회 (The Korean Association of Immunobiologists)
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DOI QR코드

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Ribavirin Does Not Impair the Suppressive Activity of $Foxp3^+$ $ CD4^+$ $CD25^+$ Regulatory T Cells

  • Lee, Jeewon (Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST) ;
  • Choi, Yoon Seok (Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST) ;
  • Shin, Eui-Cheol (Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST)
  • 투고 : 2012.12.20
  • 심사 : 2013.01.09
  • 발행 : 2013.02.28
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초록

Ribavirin is an antiviral drug used in combination with pegylated interferon-${\alpha}$ (IFN-${\alpha}$) for the treatment of hepatitis C virus (HCV) infection. Recently, ribavirin was reported to inhibit the suppressive activity of regulatory T (Treg) cells. In the present study, we re-evaluated the effect of ribavirin on $CD4^+$ $CD4^+$ $CD25^+$ Treg cells from normal donors. First, we examined the expression of CTLA-4 and CD39, which are known to play a role in the suppressive function of Treg cells. We found that ribavirin treatment did not modulate the expression of CTLA-4 and CD39 in Treg cells. We also studied the effect of ribavirin on Treg cells in the presence of IFN-${\alpha}$; however, the expression of CTLA-4 and CD39 in Treg cells was not changed by ribavirin in the presence of IFN-${\alpha}$. Next, we directly evaluated the effect of ribavirin on the suppressive activity of Treg cells in the standard Treg suppression assay, by co-culturing CFSE-labeled non-Treg $CD4^+$ T cells with purified Treg cells. We found that ribavirin did not attenuate the suppressive activity of Treg cells. Taken together, while ribavirin reversed Treg cell-mediated suppression of effector T cells in the previous study, we herein demonstrate that ribavirin does not impair the suppressive activity of Treg cells.

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참고문헌

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  3. Ribavirin contributes to eradicate hepatitis C virus through polarization of T helper 1/2 cell balance into T helper 1 dominance vol.7, pp.25, 2015, https://doi.org/10.4254/wjh.v7.i25.2590