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Related Experiment Video

Updated: Jan 24, 2026

Exploring Sequence Space to Identify Binding Sites for Regulatory RNA-Binding Proteins
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Exploring Sequence Space to Identify Binding Sites for Regulatory RNA-Binding Proteins

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Auto-regulatory feedback by RNA-binding proteins.

Michaela Müller-McNicoll1, Oliver Rossbach2, Jingyi Hui3

  • 1Institute of Cell Biology and Neuroscience, Goethe University Frankfurt, Max-von-Laue-Strasse 13, D-60438 Frankfurt am Main, Germany.

Journal of Molecular Cell Biology
|June 2, 2019
PubMed
Summary
This summary is machine-generated.

RNA-binding proteins (RBPs) regulate gene expression post-transcriptionally. This review explores how RBPs control their own expression via auto-regulatory feedback, maintaining protein homeostasis or enabling cell fate decisions.

Keywords:
RNA-binding proteinsautogenous regulationpost-transcriptional regulation of gene expressionprotein homeostasis

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • RNA-binding proteins (RBPs) are crucial for post-transcriptional gene regulation.
  • Dysregulation of RBPs is linked to diseases like cancer and neurodegeneration.
  • Maintaining RNA-binding protein proteostasis is essential for cellular health.

Purpose of the Study:

  • To review RBP-mediated autogenous feedback mechanisms.
  • To explore how RBPs regulate their own mRNA and protein levels.
  • To understand the roles of RBP auto-regulation in maintaining homeostasis and cell fate.

Main Methods:

  • Literature review of studies on RNA-binding protein auto-regulation.
  • Analysis of mechanisms controlling RBP expression and activity.
  • Categorization of feedback loops as negative or positive.

Main Results:

  • RBPs often bind to their own mRNAs to control their expression.
  • Negative feedback loops maintain RBP levels within physiological ranges.
  • Positive feedback loops can create binary on/off switches for cell fate decisions.

Conclusions:

  • RBP auto-regulation is a vital mechanism for controlling gene expression.
  • These feedback loops are critical for both maintaining cellular balance and directing developmental processes.
  • Understanding RBP auto-regulation offers insights into disease pathogenesis and potential therapeutic strategies.