SHARPIN Negatively Associates with TRAF2-Mediated NFκB Activation
2011

SHARPIN and Its Role in NFκB Activation

publication 10 minutes Evidence: moderate

Author Information

Author(s): Liang Yanhua

Primary Institution: Yale University School of Medicine

Hypothesis

Does SHARPIN negatively associate with NFκB activation through its interaction with TRAF2?

Conclusion

The study found that SHARPIN negatively associates with NFκB activation, which can be partially compensated by TRAF2 over-expression.

Supporting Evidence

  • SHARPIN interacts with TRAF2, which is involved in NFκB activation.
  • Loss of SHARPIN function leads to increased NFκB activity in mice.
  • Bortezomib, an NFκB inhibitor, alleviates skin problems in SHARPIN-deficient mice.

Takeaway

SHARPIN is a protein that helps control inflammation in the body, and when it's missing, it can cause skin problems in mice.

Methodology

The study used mouse embryonic fibroblasts and various assays including luciferase-based NFκB reporter assays and mass spectrometry to analyze protein interactions.

Limitations

The study primarily used in vitro models, which may not fully replicate in vivo conditions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021696

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