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TNF-related apoptosis-inducing ligand: signalling of a 'smart' molecule

Fabio Manzo1, Angela Nebbioso, Marco Miceli

  • 1Dipartimento di Patologia Generale, Seconda Università degli Studi di Napoli, Italy.

The International Journal of Biochemistry & Cell Biology
|February 5, 2008
PubMed

Insights

Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) induces cancer cell death and plays a role in immunity. This review explores TRAIL

Area of Science:

  • Molecular biology
  • Immunology
  • Cancer research

Background:

  • Tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is a key mediator of programmed cell death.
  • TRAIL interacts with death receptors (TRAIL-R1/R2) and decoy receptors (TRAIL-R3/R4), with differential expression in normal versus cancer cells.
  • TRAIL's expression in the lymphoid system suggests a significant role in innate immunity.

Purpose of the Study:

  • To provide a comprehensive review of TRAIL's biological functions and therapeutic potential.
  • To analyze TRAIL gene structure, regulation, protein folding, tissue expression, and molecular signaling pathways.
  • To evaluate TRAIL's application in cancer treatment, both as a monotherapy and in combination therapies.

Main Methods:

  • Literature review and analysis of existing research on TRAIL.
  • Examination of TRAIL gene structure, protein characteristics, and signaling mechanisms.
  • Assessment of preclinical and clinical data regarding TRAIL-based cancer therapies.

Main Results:

  • TRAIL preferentially induces apoptosis in cancer cells.
  • TRAIL exhibits a crucial role in the innate immune system.
  • Differential expression of TRAIL receptors in normal and cancerous tissues is a key aspect of its function.

Conclusions:

  • TRAIL holds significant promise as an anticancer therapeutic agent.
  • Combination therapies involving TRAIL or TRAIL-targeting drugs may enhance treatment efficacy.
  • Further research into TRAIL signaling and its receptors is warranted for optimizing cancer treatment strategies.

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