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RBFOX2 protein domains and cellular activities.
Anurada D Arya1, David I Wilson1, Diana Baralle1
1*Human Development and Health Academic Unit, Faculty of Medicine, University of Southampton, Institute of Developmental Sciences Building, Southampton General Hospital, Tremona Road, Southampton SO16 6YD, U.K.
Biochemical Society Transactions
|August 12, 2014
Summary
RBFOX2 protein regulates gene splicing and transcription. Its diverse cellular roles may stem from different RBFOX2 protein isoforms, not just expression levels.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- RBFOX2 (RNA-binding protein, Fox-1 homologue 2) is an RNA-binding protein.
- It regulates tissue-specific alternative splicing and steroid receptor transcriptional activity.
- Its widespread cellular roles suggest mechanisms beyond simple expression level changes.
Purpose of the Study:
- To describe the main RBFOX2 protein domains.
- To explain their importance in splicing and transcriptional regulation.
- To propose that RBFOX2 isoform distribution influences its specific cellular effects.
Main Methods:
- Literature review of RBFOX2 protein domains.
- Analysis of RBFOX2's role in splicing and transcription.
- Hypothesis generation on isoform function.
Main Results:
- RBFOX2 protein domains are crucial for its regulatory functions.
- Existing explanations based on expression levels are insufficient.
- RBFOX2 isoforms with altered domains exist.
Conclusions:
- RBFOX2 protein domains are key to its functions.
- RBFOX2 isoform distribution is proposed as a critical factor in its cellular specificity.
- Further research into RBFOX2 isoforms is warranted.
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