Dynamic control of synaptic adhesion and organizing molecules in synaptic plasticity

Research output: Contribution to journalReview article

16 Citations (Scopus)

Abstract

Synapses play a critical role in establishing and maintaining neural circuits, permitting targeted information transfer throughout the brain. A large portfolio of synaptic adhesion/organizing molecules (SAMs) exists in the mammalian brain involved in synapse development and maintenance. SAMs bind protein partners, forming trans-complexes spanning the synaptic cleft or cis-complexes attached to the same synaptic membrane. SAMs play key roles in cell adhesion and in organizing protein interaction networks; they can also provide mechanisms of recognition, generate scaffolds onto which partners can dock, and likely take part in signaling processes as well. SAMs are regulated through a portfolio of different mechanisms that affect their protein levels, precise localization, stability, and the availability of their partners at synapses. Interaction of SAMs with their partners can further be strengthened or weakened through alternative splicing, competing protein partners, ectodomain shedding, or astrocytically secreted factors. Given that numerous SAMs appear altered by synaptic activity, in vivo, these molecules may be used to dynamically scale up or scale down synaptic communication. Many SAMs, including neurexins, neuroligins, cadherins, and contactins, are now implicated in neuropsychiatric and neurodevelopmental diseases, such as autism spectrum disorder, schizophrenia, and bipolar disorder and studying their molecular mechanisms holds promise for developing novel therapeutics.

Original languageEnglish (US)
Article number6526151
JournalNeural Plasticity
Volume2017
DOIs
StatePublished - 2017

Fingerprint

Neuronal Plasticity
Synapses
Contactins
Protein Interaction Maps
Synaptic Membranes
Proteins
Brain
Alternative Splicing
Cadherins
Bipolar Disorder
Cell Adhesion
Schizophrenia
Communication
Maintenance
Therapeutics

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

Cite this

Dynamic control of synaptic adhesion and organizing molecules in synaptic plasticity. / Rudenko, Gabrielle.

In: Neural Plasticity, Vol. 2017, 6526151, 2017.

Research output: Contribution to journalReview article

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