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Updated: Aug 13, 2026

Reverse Yeast Two-hybrid System to Identify Mammalian Nuclear Receptor Residues that Interact with Ligands and/or Antagonists
Published on: November 15, 2013
Can a single androgen receptor fill the bill?
1Department of Cellular and Structural Biology, University of Texas Health Science Center, San Antonio 78284.
Abstract:
If the above two hypotheses are correct, they would require at least one more specific nuclear receptor for T, and at least one membrane receptor to account for the very rapid effects induced by androgens on certain target tissues. If this is the case, clearly a single androgen receptor will not fill the bill.
Insights
The study suggests that a single androgen receptor is insufficient to explain the rapid effects of androgens. Additional nuclear and membrane receptors are likely involved in androgen signaling pathways.
Area of Science:
- Endocrinology
- Molecular Biology
- Cell Signaling
Background:
- Androgens are crucial steroid hormones with diverse physiological effects.
- The mechanisms underlying rapid androgen actions on target tissues are not fully understood.
- Existing models propose androgen receptor (AR) involvement, but may not explain all observed phenomena.
Purpose of the Study:
- To evaluate the necessity for additional nuclear and membrane receptors in mediating androgen effects.
- To challenge the sufficiency of a single androgen receptor model for rapid androgen signaling.
Main Methods:
- Hypothetical reasoning based on existing data and proposed hypotheses.
- Analysis of rapid versus slow signaling pathways initiated by androgens.
- Comparison of proposed receptor requirements with known androgen receptor functions.
Main Results:
- The existence of two hypotheses necessitates at least one additional specific nuclear receptor for testosterone (T).
- A membrane receptor is also required to explain the rapid effects of androgens on specific tissues.
- A single androgen receptor cannot account for the full spectrum of androgen-induced responses.
Conclusions:
- The current understanding of androgen action may require revision to include multiple receptors.
- Specific nuclear and membrane receptors are likely critical for rapid androgen signaling.
- Future research should focus on identifying and characterizing these additional androgen-binding proteins.
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