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The estrogen receptor activity cycle: dependence on multiple protein-protein interactions
1Department of Cellular and Structural Biology, University of Colorado, Denver 80262, USA.
Critical Reviews in Eukaryotic Gene Expression
|January 1, 1997
Summary
Estrogen receptors (ER) regulate gene transcription through protein interactions. These interactions control the ER life cycle, influencing cellular responses and receptor activity.
Area of Science:
- Molecular Biology
- Endocrinology
- Cell Biology
Background:
- Estrogen receptors (ER) are crucial hormone-inducible transcriptional regulators.
- ER function relies on interactions with other cellular proteins.
- These interactions govern the ER life cycle, including synthesis, transport, activation, and recycling.
Purpose of the Study:
- To review cellular proteins interacting with the estrogen receptor.
- To elucidate the role of these protein-protein interactions in ER regulation.
Main Methods:
- Literature review of protein-protein interactions involving ER.
- Analysis of the impact of these interactions on ER function and regulation.
Main Results:
- Distinct protein complexes form at different stages of the ER life cycle.
- These complexes enable temporal and spatial regulation of ER activity.
- Specific cellular proteins mediate key steps in ER synthesis, transport, activation, and recycling.
Conclusions:
- Protein-protein interactions are central to the regulation of estrogen receptor activity.
- Understanding these interactions provides insights into cellular signaling and hormone action.