ArticlePLoS computational biology2022
A structural dynamics model for how CPEB3 binding to SUMO2 can regulate translational control in dendritic spines.
Article in PLoS computational biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Downregulation of Neuralized1 in the Hippocampal CA1 Through Reducing CPEB3 Ubiquitination Mediates Synaptic Plasticity Impairment and Cognitive Deficits in Neuropathic Pain.Neuroscience bulletin · 2025Article
- DeSUMOylation of Spastin Enhances AMPA Receptor Recycling and Synaptic Plasticity via IST1-Dependent Endosomal Sorting.Molecular neurobiology · 2025Article
- Role of CPEBs in Learning and Memory.Journal of neurochemistry · 2025Review
- Review
- SUMOylation and Major Depressive Disorder.International journal of molecular sciences · 2022Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A prion-like RNA-binding protein, CPEB3, can regulate local translation in dendritic spines. CPEB3 monomers repress translation, whereas CPEB3 aggregates activate translation of its target mRNAs. However, the CPEB3 aggregates, as long-lasting prions, may raise the problem of unregulated translational activation. Here, we propose a computational model of the complex structure between CPEB3 RNA-binding domain (CPEB3-RBD) and small ubiquitin-like modifier protein 2 (SUMO2). Free energy calculations suggest that the allosteric effect of CPEB3-RBD/SUMO2 interaction can amplify the RNA-binding affinity of CPEB3. Combining with previous experimental observations on the SUMOylation mode of CPEB3, this model suggests an equilibrium shift of mRNA from binding to deSUMOylated CPEB3 aggregates to binding to SUMOylated CPEB3 monomers in basal synapses. This work shows how a burst of local translation in synapses can be silenced following a stimulation pulse, and explores the CPEB3/SUMO2 interplay underlying the structural change of synapses and the formation of long-term memories.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.