Riluzole Increases the Amount of Latent HSF1 for an Amplified Heat Shock Response and Cytoprotection
2008

Riluzole Boosts Heat Shock Response for Cell Protection

publication 10 minutes Evidence: moderate

Author Information

Author(s): Yang Jingxian, Bridges Kristen, Chen Kuang Yu, Liu Alice Y.-C.

Primary Institution: Department of Cell Biology and Neuroscience, Rutgers State University of New Jersey

Hypothesis

Does riluzole enhance the heat shock response by increasing the amount of HSF1?

Conclusion

Riluzole increases the amount of HSF1, amplifying the heat shock response and providing cytoprotection.

Supporting Evidence

  • Riluzole significantly increased the heat shock induction of hsp70-luciferase reporter gene.
  • Riluzole increased the amount of cytosolic HSF1, enhancing its activation upon heat shock.
  • The cytoprotective activity of riluzole was negated in hsf1 gene knockout models.

Takeaway

Riluzole helps cells survive stress by making a protein called HSF1 more available, which helps protect them.

Methodology

Cell-based hsp70-luciferase reporter gene assay and immuno-Western blot techniques were used to evaluate the effects of riluzole on HSF1.

Limitations

The study primarily used HeLa cells, which may not fully represent other cell types.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002864

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