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Fas ligand, death gene.

M J Pinkoski1, D R Green

  • 1Division of Cellular Immunology, La Jolla Institute for Allergy and Immunology, 10355 Science Center Drive, San Diego, California, CA 92121, USA. michael@liai.org

Cell Death and Differentiation
|January 19, 2000
PubMed
Summary

The concept of death genes has evolved, with early apoptosis research requiring gene expression. Fas Ligand (FasL) is now considered a candidate death gene, even when transcriptionally inactive.

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Genetics

Background:

  • Early apoptosis research required gene expression, defining 'death genes'.
  • The complexity of apoptosis is now understood, not always relying on gene expression.
  • The concept of 'death genes' persists despite evolving understanding.

Purpose of the Study:

  • To discuss Fas Ligand (FasL) as a candidate death gene.
  • To explore the role of FasL in transcription/translation-dependent apoptosis.

Main Methods:

  • Review of historical apoptosis research and definitions.
  • Analysis of the FasL gene's role in apoptotic pathways.
  • Discussion of FasL activation in transcription/translation-dependent apoptosis.

Main Results:

  • Apoptosis mechanisms are complex and do not always require gene expression.
  • FasL can induce apoptotic cascades via caspase activation.
  • FasL gene activation occurs in various transcription/translation-dependent apoptotic forms.

Conclusions:

  • FasL is a significant candidate for a 'death gene'.
  • FasL plays a crucial role in specific apoptotic pathways.
  • Further research into FasL's function in cell death is warranted.

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