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Related Experiment Video

Updated: Jun 20, 2026

Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets

Mouse Naïve CD4⁺ T Cell Isolation and In vitro Differentiation into T Cell Subsets

Published on: April 16, 2015

IFN-beta inhibits human Th17 cell differentiation.

Vinod S Ramgolam¹, Yonggang Sha, Jianping Jin

¹Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.

Journal of Immunology (Baltimore, Md. : 1950)

|September 29, 2009

Summary

Interferon-beta-1a (IFN-beta-1a) suppresses Th17 cell differentiation in multiple sclerosis (MS) by modulating dendritic cell cytokine production and directly impacting T cells, offering a key mechanism for its therapeutic effects.

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Isolation and Th17 Differentiation of Naïve CD4 T Lymphocytes

Isolation and Th17 Differentiation of Naïve CD4 T Lymphocytes

Published on: September 26, 2013

Area of Science:

Neuroimmunology
Immunology
Cell Biology

Background:

Interferon-beta-1a (IFN-beta-1a) is a primary therapy for relapsing-remitting multiple sclerosis (MS).
The precise immunomodulatory mechanisms of IFN-beta-1a in MS remain incompletely understood.
The impact of IFN-beta-1a on Th17 cells, critical in autoimmune responses, requires further investigation in humans.

Purpose of the Study:

To investigate the effects of IFN-beta-1a on dendritic cells (DCs) and naive CD4(+)CD45RA(+) T cells in the context of Th17 cell differentiation in MS patients.
To elucidate the molecular mechanisms underlying IFN-beta-1a's influence on Th17 cell development.

Main Methods:

Treatment of DCs and naive T cells from MS patients and healthy controls with IFN-beta-1a.
Analysis of gene expression for key cytokines (IL-1beta, IL-23p19, IL-12p35, IL-27p28) and signaling pathways (STAT1, STAT3, SOCS3).
Assessment of Th17 cell differentiation markers (RORc, IL-17A, IL-23R, IL-10) following IFN-beta-1a exposure.

Main Results:

IFN-beta-1a down-regulated IL-1beta and IL-23p19 in DCs while up-regulating IL-12p35 and IL-27p28, mediated by STAT3 and STAT1 phosphorylation, respectively.
Co-culture with IFN-beta-1a-treated DCs reduced Th17 cell marker expression (RORc, IL-17A, IL-23R) in naive T cells.
Direct IFN-beta-1a treatment of T cells suppressed Th17 markers and induced IL-10 expression.

Conclusions:

IFN-beta-1a inhibits Th17 cell differentiation by modulating DC cytokine profiles and directly affecting T cells.
The observed suppression of Th17 cells and induction of IL-10 by IFN-beta-1a may be a crucial mechanism for its therapeutic efficacy in MS.
Understanding these pathways provides insights into targeted immunomodulation for CNS inflammatory diseases.