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Related Experiment Videos

Cyclin D2 interacts with cdk-5 and modulates cellular cdk-5/p35 activity

S Guidato1, D M McLoughlin, A J Grierson

  • 1Department of Clinical Neurosciences, Institute of Psychiatry, London, England.

Journal of Neurochemistry
|January 9, 1998
PubMed
Summary

Cyclin-dependent kinase-5 (CDK-5) is crucial for nervous system development. Researchers found that cyclin D2 interacts with CDK-5 and may regulate its activity in developing neurons.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Cell Biology

Background:

  • Cyclin-dependent kinase-5 (CDK-5) is a neuron-specific kinase vital for nervous system development and neurite outgrowth.
  • Tight regulation of CDK-5 activity is essential during neural development.

Purpose of the Study:

  • To identify novel regulators of CDK-5 activity.
  • To investigate the interaction between CDK-5 and cyclin D2.

Main Methods:

  • Yeast two-hybrid system to screen for CDK-5 interacting proteins.
  • Immunoprecipitation experiments in mammalian cells.
  • Enzyme activity assays using different substrates.

Main Results:

  • Cyclin D2 was identified as a CDK-5 interacting protein through yeast two-hybrid screening.

Related Experiment Videos

  • Interaction between cyclin D2 and CDK-5 was confirmed in mammalian cells.
  • Cyclin D2 did not activate CDK-5 but decreased CDK-5/p35 activity in transfected cells.

    • Conclusions:

    • Cyclin D2 interacts with CDK-5 in mammalian cells.
    • Cyclin D2 may play a role in modulating CDK-5 activity in developing neurons.
    • Findings suggest a novel regulatory mechanism for CDK-5 during central nervous system development.