The synapsins: Multitask modulators of neuronal development

Flavia Valtorta, Davide Pozzi, Fabio Benfenati, Eugenio F. Fornasiero

Research output: Contribution to journalArticlepeer-review

Abstract

Neurons are examples of specialized cells that evolved the extraordinary ability to transmit electrochemical information in complex networks of interconnected cells. During their development, neurons undergo precisely regulated processes that define their lineage, positioning, morphogenesis and pattern of activity. The events leading to the establishment of functional neuronal networks follow a number of key steps, including asymmetric cell division from neuronal precursors, migration, establishment of polarity, neurite outgrowth and synaptogenesis. Synapsins are a family of abundant neuronal phosphoproteins that have been extensively studied for their role in the regulation of neurotransmission in presynaptic terminals. Beside their implication in the homeostasis of adult cells, synapsins influence the development of young neurons, interacting with cytoskeletal and vesicular components and regulating their dynamics. Although the exact molecular mechanisms determining synapsin function in neuronal development are still largely unknown, in this review we summarize the most important literature on the subject, providing a conceptual framework for the progress of present and future research.

Original languageEnglish
Pages (from-to)378-386
Number of pages9
JournalSeminars in Cell and Developmental Biology
Volume22
Issue number4
DOIs
Publication statusPublished - Jun 2011

Keywords

  • Growth cone
  • Nerve terminal
  • Protein phosphorylation
  • Synapse
  • Synaptic vesicle

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology

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