Interferon-α Abrogates Tolerance Induction by Human Tolerogenic Dendritic Cells
2011

Interferon-α and Tolerance in Immune Cells

publication Evidence: moderate

Author Information

Author(s): Nicole Bacher, Edith Graulich, Helmut Jonuleit, Stephan Grabbe, Kerstin Steinbrink

Primary Institution: Department of Dermatology, University Medical Center Mainz, University of Mainz, Mainz, Germany

Hypothesis

IFN-α may interfere with tumor-associated tolerance mechanisms.

Conclusion

IFN-α inhibits the induction of T cell tolerance by reversing the tolerogenic function of human dendritic cells.

Supporting Evidence

  • IFN-α treatment resulted in increased T cell activation compared to control tolerogenic dendritic cells.
  • IFN-α abolished the induction of T cell anergy and suppressor function of regulatory T cells.
  • The study demonstrated that IFN-α promotes maturation of tolerogenic dendritic cells.

Takeaway

This study shows that a substance called interferon-α can help the immune system fight cancer by stopping certain cells from making the immune response weaker.

Methodology

The study analyzed the effects of IFN-α on human tolerogenic dendritic cells and their ability to induce T cell anergy.

Participant Demographics

Healthy volunteers provided buffy coats for the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022763

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