IκBε and c-Rel in T and B Cells
Author Information
Author(s): Clark Joanna M., Aleksiyadis Karolina, Martin Alex, McNamee Kay, Tharmalingam Tharsana, Williams Richard O., Mémet Sylvie, Cope Andrew P.
Primary Institution: King's College London, University of London
Hypothesis
In the absence of IκBε, c-Rel would appear in the nucleus of unstimulated and naïve lymphocytes and the cells would therefore show altered expression of c-Rel-dependent genes.
Conclusion
IκBε plays a non-redundant role in regulating c-Rel-dependent gene expression and lymphocyte survival.
Supporting Evidence
- IκBε deficiency was associated with increased nuclear expression of c-Rel in unstimulated T cell blasts.
- IκBε−/− mice exhibited increased lymph node cellularity and enhanced basal thymidine incorporation by lymphoid cells ex vivo.
- IκBε−/− splenic B cells showed enhanced survival ex vivo, compared to wild-type.
Takeaway
IκBε helps control a protein called c-Rel that is important for the survival of certain immune cells. Without IκBε, these cells can survive better but may not work properly.
Methodology
The study involved experiments with mouse T cell lines and IκBε-deficient mice to analyze the effects of IκBε on c-Rel expression and function.
Digital Object Identifier (DOI)
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