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Calcium Sensors in Neuronal Function and Dysfunction.

Robert D Burgoyne1, Nordine Helassa1, Hannah V McCue2

  • 1Department of Cellular and Molecular Physiology, Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom.

Cold Spring Harbor Perspectives in Biology
|March 6, 2019
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Summary
This summary is machine-generated.

Calcium signaling is vital for neuron function and synaptic activity. Dysregulation of calcium sensors, like synaptotagmins and neuronal calcium sensors (NCS), may underlie neurological diseases.

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Area of Science:

  • Neuroscience
  • Cellular Biology
  • Molecular Biology

Background:

  • Neuronal calcium (Ca2+) signaling regulates diverse cellular functions, including axon outgrowth, survival, and synaptic plasticity.
  • Ca2+ is essential for fast neurotransmitter release at synapses.
  • Abnormalities in neuronal Ca2+ signaling are implicated in various neurological and neurodegenerative diseases.

Purpose of the Study:

  • To explore the roles of neuronal Ca2+ sensors in physiological processes and disease pathogenesis.
  • To understand the molecular mechanisms underlying Ca2+ sensor regulation and function.
  • To identify potential therapeutic targets for neurological disorders.

Main Methods:

  • Review of existing literature on neuronal Ca2+ signaling and Ca2+ sensor proteins.
  • Analysis of the known functions of synaptotagmin, calmodulin, neuronal calcium sensor (NCS), and calcium-binding protein (CaBP) families.
  • Investigation of the link between genetic variations in Ca2+ sensors and neuronal dysfunction.

Main Results:

  • Synaptotagmins are key regulators of neurotransmitter release.
  • NCS and CaBP families, along with calmodulin, play significant roles in neuronal Ca2+ signaling.
  • Ca2+ sensors are implicated in neuronal dysfunction and disease, either directly or indirectly.

Conclusions:

  • Neuronal Ca2+ sensors are critical for normal neuronal function and synaptic transmission.
  • Dysfunctional Ca2+ sensing is linked to neurological diseases.
  • Understanding Ca2+ sensor mechanisms may lead to novel therapeutic strategies for neurological disorders.