Cited by 654Neuroscience and Neuropharmacology ResearchCellular transport and secretionGenetics and Neurodevelopmental Disorders

The synapsins: Key actors of synapse function and plasticity

Cesca, F., Baldelli, P., Valtorta, F., Benfenati, F.·2010·Progress in Neurobiology

Abstract

The synapsins are a family of neuronal phosphoproteins evolutionarily conserved in invertebrate and vertebrate organisms. Their best-characterised function is to modulate neurotransmitter release at the pre-synaptic terminal, by reversibly tethering synaptic vesicles (SVs) to the actin cytoskeleton. However, many recent data have suggested novel functions for synapsins in other aspects of the pre-synaptic physiology, such as SV docking, fusion and recycling. Synapsin activity is tightly regulated by several protein kinases and phosphatases, which modulate the association of synapsins to SVs as well as their interaction with actin filaments and other synaptic proteins. In this context, synapsins act as a link between extracellular stimuli and the intracellular signalling events activated upon neuronal stimulation. Genetic manipulation of synapsins in various in vivo models has revealed that, although not essential for the basic development and functioning of neuronal networks, these proteins are extremely important in the fine-tuning of neuronal plasticity, as shown by the epileptic phenotype and behavioural abnormalities characterising mouse lines lacking one or more synapsin isoforms. In this review, we summarise the current knowledge about how the various members of the synapsin family are involved in the modulation of the pre-synaptic physiology. We give a comprehensive description of the molecular basis of synapsin function, as well as an overview of the more recent evidence linking mutations in the synapsin proteins to the onset of severe central nervous system diseases such as epilepsy and schizophrenia.

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Crossref · 10.1016/j.pneurobio.2010.04.006

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Authors
Cesca, F., Baldelli, P., Valtorta, F., & Benfenati, F.
Affiliations
  • Italian Institute of Technology (IT)
  • Vita-Salute San Raffaele University (IT)
Corresponding author
Benfenati, F.
Venue
Progress in Neurobiology
Publisher
Elsevier BV
Published
2010-08
Volume
91
Issue
4
Pages
313-348
ISSN
0301-0082 (ISSN-L)
OpenAlex
W2142790764
Cited by
654
References
375
Citations by year
2026: 35 · 2025: 52 · 2024: 39 · 2023: 34 · 2022: 50 · 2021: 39 · 2020: 38 · 2019: 41 · 2018: 45 · 2017: 44 · 2016: 37 · 2015: 34 · 2014: 36 · 2013: 49 · 2012: 40
FWCI
3.60
Type
journal article
Language
en
Open access
closed
Locations
  • Progress in Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • ArTS Archivio della ricerca di Trieste (University of Trieste https://www.units.it/) (submittedVersion)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion)
  • Archivio Istituzionale della Ricerca - Università Vita-Salute San Raffaele (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
Keywords
synapsin, synaptic vesicle tethering, neurotransmitter release, synaptic vesicle recycling, actin cytoskeleton, kinase regulation, synaptic plasticity, epilepsy, schizophrenia, central nervous system disorders
MeSH terms
Animals, Models, Biological, Neuronal Plasticity, Neurons, Phosphorylation, Protein Binding, Synapses, Synapsins

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