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Related Concept Videos

Caspases01:24

Caspases

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Caspase, a family of cysteine proteases, serve as effectors in apoptosis. The ced3 gene in C.elegans was first identified to be involved in apoptosis. This gene encodes the ced-3 caspase that is similar to the interleukin-1-beta converting enzyme or ICE in mammals. In addition to apoptosis, caspases also function in the inflammatory response. Inflammatory caspases are essential in activating pro-inflammatory cytokines that recruit immune cells and block the replication of pathogens inside...
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In Vitro Cleavage Assays using Purified Recombinant Drosophila Caspases for Substrate Screening
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General in vitro caspase assay procedures.

Dave Boucher1, Catherine Duclos, Jean-Bernard Denault

  • 1Institute of Molecular Bioscience, University of Queensland, St. Lucia, QLD, Australia.

Methods in Molecular Biology (Clifton, N.J.)
|February 26, 2014
PubMed
Summary
This summary is machine-generated.

Recombinant active caspases are crucial tools for studying apoptosis. Their availability enables research on caspase substrates, inhibitors, structures, and activation mechanisms, advancing our understanding of programmed cell death.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Background:

  • Apoptosis, or programmed cell death, is a fundamental biological process.
  • Caspases are key enzymes regulating apoptosis.
  • Studying caspases requires pure, active enzyme preparations.

Purpose of the Study:

  • To describe methods for obtaining recombinant active caspases.
  • To detail the expression, purification, and enzymatic characterization of caspases.
  • To highlight the importance of pure caspases for apoptosis research.

Main Methods:

  • Recombinant expression of active caspases.
  • Purification techniques for isolating enzymatically pure caspases.
  • Enzymatic assays for characterizing caspase activity and specificity.

Main Results:

  • Successful expression and purification of active caspases were achieved.
  • Basic enzymatic properties of the purified caspases were determined.
  • The availability of pure caspases facilitates various apoptosis studies.

Conclusions:

  • Recombinant active caspases are indispensable tools for apoptosis research.
  • The described methods provide a foundation for obtaining essential caspase reagents.
  • Advancements in understanding apoptosis are directly linked to the availability of pure caspases.