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Updated: Aug 18, 2026

Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
Published on: April 16, 2015
Regulation of TGF-beta response during T cell activation is modulated by IL-10
1Institut National de la Santé et de la Recherche Médicale, Route de St. Antoine de Ginestière, Unité 343, Nice, France.
Abstract:
TGF-beta1 is an important pleiotropic cytokine that has been described to have both stimulatory and inhibitory effects on cell growth and differentiation. For several cell types, the effect of TGF-beta1 was found to correlate with the differentiation stage of the cells and the presence of other cytokines. In this report, we address the influence of TGF-beta1 on CD4(+) T cell activation by evaluating the effect of TGF-beta1 on the proliferative and cytokine responses of purified resting and activated human or mouse CD4(+) T cells. TGF-beta1 inhibits proliferation and cytokine secretion on resting CD4(+) T cells but has no inhibitory effect on activated T cells. Moreover, TGF-beta1 unresponsiveness of activated T cells was correlated with a down-regulation in the expression of the TGF-beta receptor type II. Interestingly, IL-10 addition enhances TGF-beta receptor type II expression and restores TGF-beta responsiveness on activated T cells. These results indicated that TGF-beta responsiveness is sequentially regulated on T cells by the modulation of the of TGF-beta receptor type II chain expression. Moreover, we have identified a novel regulatory role of IL-10 on TGF-beta-dependent T cell growth that can explain the control of T cell activation on chronic vs acute inflammatory sites.
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