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Direct cell killing by suicide genes

L A Martin1, N R Lemoine

  • 1ICRF Oncology Unit, Royal Postgraduate Medical School, Hammersmith Hospital, London, UK.

Cancer Metastasis Reviews
|September 1, 1996
PubMed

Insights

Genetic interventions can induce cell death through prodrug therapies, toxin gene expression, or apoptotic triggers. This review examines targeting strategies and the current status of clinical trials for these cancer treatments.

Area of Science:

  • Oncology
  • Molecular Biology
  • Gene Therapy

Background:

  • Genetic interventions offer diverse strategies for inducing targeted cell death.
  • Prodrug activation therapies, toxin gene expression, and apoptotic triggers are key approaches.

Purpose of the Study:

  • To review genetic strategies for inducing cell death.
  • To examine targeting mechanisms for genetic interventions.
  • To assess the current clinical trial landscape for these therapies.

Main Methods:

  • Literature review of genetic prodrug activation therapies (mammalian and non-mammalian enzymes).
  • Review of toxin gene expression and apoptotic trigger systems.
  • Analysis of targeting strategies including transductional restriction and transcriptional control.
  • Examination of in vitro and in vivo study systems.
  • Review of current clinical trial data.

Main Results:

  • Multiple genetic methods exist for inducing cell death, including prodrug activation and direct expression of cell death-inducing agents.
  • Targeting can be achieved through both genetic and cellular control mechanisms.
  • In vitro and in vivo studies demonstrate the feasibility of these approaches.
  • Clinical trials are underway, indicating progress towards therapeutic application.

Conclusions:

  • Genetic interventions represent a promising avenue for cancer therapy by inducing targeted cell death.
  • Effective targeting strategies are crucial for maximizing efficacy and minimizing off-target effects.
  • Ongoing clinical trials will determine the ultimate clinical utility of these genetic approaches.

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