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Serum response factor: toggling between disparate programs of gene expression
1Center for Cardiovascular Research, University of Rochester Medical Center, 601 Elmwood Avenue, NY 14642, Rochester, USA. j.m.miano@rochester.edu
Journal of Molecular and Cellular Cardiology
|June 6, 2003
Summary
Serum response factor (SRF) regulates gene expression for cell growth and differentiation. This review details SRF
Area of Science:
- Molecular Biology
- Cell Biology
- Genetics
Background:
- Serum response factor (SRF) is a key transcription factor controlling gene expression.
- SRF directs vascular smooth muscle cell (SMC) differentiation and growth programs.
- Dysregulation of SRF-mediated gene expression is implicated in vascular disease.
Purpose of the Study:
- To review the history and progress of SRF research.
- To emphasize SRF's role in SMC-specific gene expression.
- To explore mechanisms regulating SRF activity.
Main Methods:
- Literature review of SRF research.
- Analysis of SRF's role in muscle differentiation.
- Examination of regulatory mechanisms for SRF-dependent gene expression.
Main Results:
- SRF orchestrates distinct gene expression programs for SMC differentiation and growth.
- Multiple mechanisms ensure cell- and context-specific SRF activity.
- Some SMC-restricted genes are regulated independently of SRF, indicating parallel transcriptional circuits.
Conclusions:
- SRF is crucial for SMC lineage gene expression.
- Understanding SRF's regulation is vital for addressing vascular diseases.
- Parallel transcriptional pathways contribute to SMC identity.