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Related Concept Videos

Positive Regulator Molecules01:45

Positive Regulator Molecules

To consistently produce healthy cells, the cell cycle—the process that generates daughter cells—must be precisely regulated.
Positive Regulator Molecules02:39

Positive Regulator Molecules

Mitotic cell division results in daughter cells that exactly resemble the parent cell. However, errors in the DNA replication or distribution of genetic material may lead to genetic mutations that may be passed down to every new cell formed from the resulting abnormal cell. Propagation of such mutant cells is restricted through checkpoint mechanisms present at different stages of the cell cycle. These checkpoints involve regulator molecules that either promote or demote cell cycle events.
M-Cdk Drives Transition Into Mitosis02:15

M-Cdk Drives Transition Into Mitosis

Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
Chemical Synapses01:26

Chemical Synapses

Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
M-Cdk Drives Transition Into Mitosis02:15

M-Cdk Drives Transition Into Mitosis

Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
Chemical Synapses01:26

Chemical Synapses

Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...

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Live-imaging of PKC Translocation in Sf9 Cells and in Aplysia Sensory Neurons
09:54

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Published on: April 6, 2011

Cdk5: a new player at synapses.

Kai Cheng1, Nancy Y Ip

  • 1Department of Biochemistry, Molecular Neuroscience Center and Biotechnology Research Institute, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong/SAR, PR China.

Neuro-Signals
|December 16, 2003
PubMed
Summary
This summary is machine-generated.

Cyclin-dependent kinase 5 (Cdk5) has diverse roles beyond cell cycle regulation. This kinase is crucial for central nervous system (CNS) development and synaptic functions in neurons.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Cell Biology

Background:

  • Cyclin-dependent kinase 5 (Cdk5) belongs to the cyclin-dependent kinase family.
  • Unlike conventional Cdks regulating cell cycle, Cdk5 has diverse functions in neuronal and non-neuronal tissues.
  • Evidence highlights Cdk5's involvement in central nervous system (CNS) development and cellular processes.

Purpose of the Study:

  • To summarize the functional roles of Cdk5.
  • To elucidate Cdk5's involvement in synapse formation and function.
  • To highlight Cdk5's importance in fundamental neuronal processes.

Main Methods:

  • Literature review of existing studies on Cdk5.
  • Analysis of research on Cdk5's role in CNS development.
  • Examination of Cdk5's function in synaptic biology.

Main Results:

  • Cdk5 plays critical roles in neuronal development.
  • Cdk5 is essential for the formation and maintenance of synapses.
  • The kinase influences various cellular processes fundamental to neuronal function.

Conclusions:

  • Cdk5 is a key regulator of neuronal development and function.
  • Synaptic formation and function are significantly impacted by Cdk5.
  • Cdk5's diverse roles underscore its importance in neuroscience.