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CD95 in cancer: tool or target?

Ana Martin-Villalba1, Enric Llorens-Bobadilla, Damian Wollny

  • 1Molecular Neurobiology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany. a.martin-villalba@dkfz.de

Trends in Molecular Medicine
|April 2, 2013
PubMed

Insights

The CD95 receptor

Area of Science:

  • Immunology
  • Molecular Biology
  • Cancer Research

Background:

  • The CD95 (Fas/Apo1) receptor's role in cancer has been debated for over 30 years.
  • Initially recognized for inducing apoptosis, CD95 was considered a potential anticancer therapy.
  • Emerging evidence highlights CD95's involvement in nonapoptotic pathways promoting tumorigenesis.

Purpose of the Study:

  • To review the dual role of CD95 signaling in cancer.
  • To discuss the implications of CD95's pro-tumorigenic functions for cancer therapy.
  • To explore targeting nonapoptotic CD95 signaling for cancer treatment.

Main Methods:

  • Literature review of studies on CD95 signaling in cancer.
  • Analysis of research on CD95's apoptotic and nonapoptotic functions.
  • Examination of clinical strategies involving CD95 manipulation.

Main Results:

  • CD95 exhibits contradictory roles in cancer, capable of both inhibiting and promoting tumor growth.
  • Nonapoptotic CD95 signaling pathways are implicated in enhancing tumorigenesis.
  • The dual nature of CD95 challenges its use as a simple 'tumor killer'.

Conclusions:

  • Targeting the nonapoptotic signaling branch of CD95 presents a novel therapeutic strategy.
  • Understanding CD95's complex roles is crucial for developing effective cancer treatments.
  • Future clinical studies should focus on modulating specific CD95 signaling pathways.

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