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Protein phosphorylation and neuronal function.

S I Walaas1, P Greengard

  • 1Laboratory of Molecular and Cellular Neuroscience, Rockefeller University, New York, New York.

Pharmacological Reviews
|September 1, 1991
PubMed
Summary
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Protein phosphorylation is a key mechanism for signal transduction in brain cells, regulating diverse neuronal functions. Understanding these systems is crucial for comprehending nervous system function and clinical disorders.

Area of Science:

  • Neuroscience
  • Biochemistry
  • Cell Biology

Background:

  • Protein phosphorylation, demonstrated in brain proteins in 1971, is a critical signaling pathway.
  • Extracellular signals are transduced into neuronal function changes via this biochemical mechanism.
  • Neural cells possess numerous protein kinases, phosphatases, and phosphorylated proteins.

Purpose of the Study:

  • To review the role of protein phosphorylation in regulating diverse neuronal functions.
  • To highlight the intricate cross-talk between neuronal protein phosphorylation systems.
  • To explore the involvement of protein phosphorylation in neurological disorders.

Main Methods:

  • Review of existing literature on neuronal protein phosphorylation.
  • Analysis of the regulatory roles of protein kinases and phosphatases.

Related Experiment Videos

  • Examination of the temporal dynamics of phosphorylation-mediated events.

    • Main Results:

    • Protein phosphorylation regulates neuronal functions including excitability, secretion, morphology, and metabolism.
    • Complex interactions ('cross-talk') exist between different phosphorylation systems in brain cells.
    • Phosphorylation influences events from milliseconds (neurotransmitter release) to days (LTP).

    Conclusions:

    • Neuronal protein phosphorylation is essential for regulating a wide range of cellular processes.
    • Further research into these systems will advance understanding of nervous system function and disease.
    • Protein phosphorylation is implicated in various clinical disorders affecting brain function.