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Updated: May 13, 2026

Production of Nurr-1 Specific Polyclonal Antibodies Free of Cross-reactivity Against Its Close Homologs, Nor1 and Nur77
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Production of Nurr-1 Specific Polyclonal Antibodies Free of Cross-reactivity Against Its Close Homologs, Nor1 and Nur77

Published on: August 17, 2015

Nur77 Is Associated With Polyfunctional Properties in Virus-Specific Human CD8+ T Cells

Fabiola Martel1,2, Daniel Rincón2, Caroline Passaes3,4

  • 1Instituto de Genética Humana, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá, Colombia.

European Journal of Immunology
|May 12, 2026
PubMed

Insights

The orphan nuclear receptor Nur77 is linked to enhanced function and memory in human CD8+ T cells. Modulating Nur77 may improve T cell responses during chronic infections like HIV and HBV.

Area of Science:

  • Immunology
  • Cellular Biology
  • Virology

Background:

  • Human CD8+ T cells exhibit metabolic and transcriptional changes upon activation.
  • The orphan nuclear receptor Nur77 influences T cell processes and has been implicated in T cell dysfunction.
  • The role of Nur77 in human CD8+ T cell memory and functionality remains underexplored.

Purpose of the Study:

  • To investigate the expression of Nur77 in human CD8+ T cells.
  • To determine the relationship between Nur77 expression and CD8+ T cell differentiation and functionality.
  • To explore Nur77's potential in enhancing T cell responses against chronic viral infections.

Main Methods:

  • Analysis of Nur77 expression in human CD8+ T cells from various viral infection and vaccination contexts.
  • Assessment of the correlation between Nur77 expression and T cell factor 1 (TCF-1) expression, differentiation status, and polyfunctionality.
  • In vitro modulation of Nur77 activity to evaluate its impact on chronic human immunodeficiency virus (HIV) and hepatitis B virus (HBV)-specific CD8+ T cells.

Main Results:

  • Nur77 expression is associated with an early-differentiated, TCF-1+ memory-like phenotype in human CD8+ T cells.
  • Nur77 correlates with enhanced cytokine polyfunctionality and proliferative capacity in long-lived antigen-responsive cells.
  • In vitro manipulation of Nur77 activity improved the functionality of chronic HIV- and HBV-specific CD8+ T cells.

Conclusions:

  • Nur77 is linked to polyfunctional properties in human virus-specific CD8+ T cell responses.
  • Nur77 expression is a marker for early-differentiated, functional memory-like CD8+ T cells.
  • Targeting Nur77 offers a potential strategy to enhance CD8+ T cell functionality in chronic antigen stimulation settings.
Keywords:
CD8+ T cellsNur77humanmemorypolyfunctionalityproliferationstem‐like

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