How Cell Cycle Affects Glucocorticoid Receptor Function
Author Information
Author(s): Laura Matthews, James Johnson, Andrew Berry, Peter Trebble, Ann Cookson, Dave Spiller, Caroline Rivers, Michael Norman, Mike White, David Ray
Primary Institution: University of Manchester
Hypothesis
Cell cycle phase regulates glucocorticoid receptor (GR) localization and function.
Conclusion
The study shows that cell cycle phase significantly influences the activity of the glucocorticoid receptor, affecting its response to glucocorticoids.
Supporting Evidence
- GR localization changes during the cell cycle, with significant nuclear presence in interphase and cytoplasmic presence in mitosis.
- Phosphorylation of GR at serine 211 is crucial for its activity during the cell cycle.
- Cell cycle phase impacts the GR's ability to respond to glucocorticoids.
Takeaway
The glucocorticoid receptor behaves differently depending on what part of the cell cycle the cell is in, which can change how the cell responds to stress hormones.
Methodology
Live cell imaging and various biochemical assays were used to analyze GR localization and function during different cell cycle phases.
Limitations
The study primarily focuses on HeLa cells, which may not represent all cell types.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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