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Related Concept Videos

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...
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...
Inhibition of Cdk Activity02:34

Inhibition of Cdk Activity

The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
Inhibition of CDK Activity02:34

Inhibition of CDK Activity

The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
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.
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.

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Identification of Cyclin-dependent Kinase 1 Specific Phosphorylation Sites by an In Vitro Kinase Assay
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Identification of Cyclin-dependent Kinase 1 Specific Phosphorylation Sites by an In Vitro Kinase Assay

Published on: May 3, 2018

Cdk5, the multifunctional surveyor.

Vassiliki Lalioti1, Diego Pulido, Ignacio V Sandoval

  • 1Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas, Universidad Autónoma de Madrid, Centro de Enfermedades Hepáticas y Digestivas, Instituto de Salud Carlos III, Madrid, Spain.

Cell Cycle (Georgetown, Tex.)
|January 12, 2010
PubMed
Summary
This summary is machine-generated.

Cyclin-dependent kinase 5 (Cdk5) is a multifunctional kinase regulating diverse cellular processes. This review details Cdk5 structure, activation, and its critical roles in cell adaptation and survival.

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Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biochemistry

Background:

  • Cyclin-dependent kinases (Cdks) are key regulators of cell cycle progression.
  • Cdk5, identified in 1992, is an atypical Cdk with unique activators and broad functions.
  • Understanding Cdk5 is crucial for comprehending cellular adaptation and survival mechanisms.

Purpose of the Study:

  • To review the structure and activation mechanisms of Cdk5 within the broader Cdk family.
  • To elucidate the functional significance of Cdk5's diverse targets.
  • To highlight Cdk5's role in cellular adaptation to environmental changes.

Main Methods:

  • Literature review and synthesis of existing research on Cdk5.
  • Analysis of Cdk5 structure and activation pathways.
  • Examination of Cdk5's involvement in various cellular signaling and functional pathways.

Main Results:

  • Cdk5 possesses a unique structure and activation mechanism compared to other Cdks.
  • Cdk5 targets numerous proteins involved in cytoskeleton organization, signaling, and metabolism.
  • Cdk5 plays a significant role in cell cycle arrest, gene transcription, and cell survival.

Conclusions:

  • Cdk5 is a multifunctional kinase critical for cellular adaptation and survival.
  • Its diverse targets underscore its importance in regulating fundamental cellular processes.
  • Further research into Cdk5 pathways can reveal insights into cellular responses to stress and environmental cues.