Neurotrophins and synaptic plasticity

A Kimberley Usrey, Lawrence C. Katz, Donald C. Lo

Research output: Contribution to journalArticle

1092 Scopus citations

Abstract

Despite considerable evidence that neuronal activity influences the organization and function of circuits in the developing and adult brain, the molecular signals that translate activity into structural and functional changes in connections remain largely obscure. This review discusses the evidence implicating neurotrophins as molecular mediators of synaptic and morphological plasticity. Neurotrophins are attractive candidates for these roles because they and their receptors are expressed in areas of the brain that undergo plasticity, activity can regulate their levels and -secretion, and they regulate both synaptic transmission and neuronal growth. Although numerous experiments show demonstrable effects of neurotrophins on synaptic plasticity, the rules and mechanisms by which they exert their effects remain intriguingly elusive.

Original languageEnglish (US)
Pages (from-to)295-318
Number of pages24
JournalAnnual Review of Neuroscience
Volume22
DOIs
StatePublished - 1999
Externally publishedYes

Keywords

  • BDNF
  • LTP
  • Synaptic transmission
  • Synaptogenesis
  • Trk

ASJC Scopus subject areas

  • Neuroscience(all)

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