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Biochemical Reconstitution of Steroid Receptor•Hsp90 Protein Complexes and Reactivation of Ligand Binding
Published on: September 21, 2011
How post-translational modifications impact glucocorticoid receptor function in human pathologies.
Zélie Bouveret1,2,3, Ludivine Pruvost1,2,3, Olivier Trédan1,2,3,4
1Université Claude Bernard Lyon 1, Lyon, 69000, France.
Glucocorticoid receptor (GR) post-translational modifications (PTMs) regulate essential cellular functions and are implicated in diseases like cancer and Alzheimer's. Understanding these PTMs and their regulators offers promising therapeutic targets.
Area of Science:
- Endocrinology
- Molecular Biology
- Cellular Biology
Background:
- Glucocorticoid receptor (GR) is a nuclear hormone receptor crucial for regulating inflammation, immunity, and metabolism.
- Glucocorticoids (GCs) are widely prescribed drugs, highlighting the importance of GR signaling in various diseases.
- GR activity is modulated by post-translational modifications (PTMs), which influence its function and localization.
Purpose of the Study:
- To provide an integrated overview of current knowledge on GR PTMs.
- To highlight the mechanistic insights and disease relevance of GR PTMs.
- To identify enzymes and readers of GR PTMs as potential therapeutic targets.
Main Methods:
- Literature review of GR post-translational modifications.
- Analysis of GR PTMs in the context of disease pathogenesis.
- Identification of enzymes and protein interactors involved in GR PTMs.
Main Results:
- GR PTMs, beyond phosphorylation, significantly impact GR function, localization, and stability.
- Aberrant GR PTMs are linked to prevalent diseases including cancer, chronic inflammatory conditions, and neurological disorders like Alzheimer's disease.
- Specific enzymes and PTM readers involved in GR regulation represent promising targets for therapeutic intervention.
Conclusions:
- Post-translational modifications play a critical role in fine-tuning Glucocorticoid Receptor activity.
- Dysregulation of GR PTMs contributes to the pathophysiology of numerous widespread diseases.
- Targeting the enzymes and readers of GR PTMs holds significant therapeutic potential for treating GR-associated pathologies.
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