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Related Experiment Videos

Caspases: more than just killers?

M Los1, C Stroh, R U Jänicke

  • 1Dept of Immunology and Cell Biology, University of Münster, D-48149, Münster, Germany. los@uni-muenster.de

Trends in Immunology
|April 5, 2001
PubMed
Summary
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Caspases, key apoptosis executioners, also regulate T-cell proliferation and cell-cycle progression. This study proposes a model linking cell suicide pathways directly to cell-cycle control mechanisms.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Immunology

Background:

  • Caspases are central executioners of apoptosis (programmed cell death).
  • Emerging evidence indicates caspases have roles beyond cell death.
  • These roles include regulating T-cell proliferation and cell-cycle progression.

Purpose of the Study:

  • To propose a model connecting apoptosis mechanisms to cell-cycle regulation.
  • To elucidate the non-apoptotic functions of caspases.

Main Methods:

  • Literature review and synthesis of recent observations.
  • Development of a conceptual model.

Main Results:

  • Caspases and apoptosis-regulatory molecules influence T-cell proliferation.

Related Experiment Videos

  • These molecules also impact cell-cycle progression.
  • A direct link between cell suicide and cell-cycle control is proposed.

    • Conclusions:

    • Caspases play a dual role in apoptosis and cell-cycle regulation.
    • Apoptosis pathways are integrated with cell-cycle control.
    • This integration offers new insights into cellular regulation.