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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
PubMed

Insights

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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