Related Experiment Video

Updated: Jul 12, 2025

Measuring Composition of CD95 Death-Inducing Signaling Complex and Processing of Procaspase-8 in this Complex
07:17

Measuring Composition of CD95 Death-Inducing Signaling Complex and Processing of Procaspase-8 in this Complex

Published on: August 2, 2021

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CD95 (Fas) and CD95L (FasL)-mediated non-canonical signaling pathways

Layla Haymour1, Mickael Jean2, Cristian Smulski3

  • 1UMR CNRS 7276, INSERM U1262, CRIBL, Université Limoges, Limoges, France.

Biochimica Et Biophysica Acta. Reviews on Cancer
|October 21, 2023
PubMed

Insights

The CD95L/Fas pathway, known for apoptosis, also triggers non-apoptotic signals. These complex pathways impact cancer metastasis and autoimmune diseases, requiring further research for therapeutic insights.

Area of Science:

  • Immunology
  • Cell Biology
  • Cancer Research

Background:

  • The CD95L (FasL) and CD95 (Fas) receptor-ligand pair primarily induces apoptosis for immune regulation and tumor suppression.
  • Aberrant CD95L/Fas signaling is implicated in autoimmune diseases and cancer progression.
  • Non-canonical signaling pathways of CD95L/Fas add complexity to their known functions.

Purpose of the Study:

  • To explore the non-canonical, non-apoptotic signaling pathways of the CD95L/Fas system.
  • To elucidate the biological functions of these alternative signaling routes.
  • To discuss the implications for disease pathogenesis and research models.

Main Methods:

  • Review and synthesis of existing literature on CD95L/Fas signaling.
  • Analysis of studies investigating non-apoptotic functions.
  • Discussion of findings in the context of cancer and autoimmune disorders.

Main Results:

  • CD95L/Fas engagement mediates non-apoptotic signaling pathways.
  • These pathways are involved in cancer metastasis and autoimmune disease severity.
  • CD95 expression can promote oncogenesis independently of CD95L.
  • Ligand and receptor interactions with other partners modulate functions.
  • CD95L signaling in immune cells complicates mouse model interpretations.

Conclusions:

  • The CD95L/Fas system exhibits complex non-canonical signaling with significant pathophysiological roles.
  • Understanding these non-apoptotic functions is crucial for developing targeted therapies for cancer and autoimmune diseases.
  • Further investigation is needed to fully decipher the intricacies of CD95L/Fas interactions and their therapeutic potential.
Keywords:
CD95Ligand independent signalNF-κBReverse signalingTNF

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