Gene transfer of suicide genes for the treatment of malignant gliomas: efficacy, limitations, and perspectives for a combined immunotherapy.

S. Benedetti, F. Di Meco, B. Pollo, M. G. Bruzzone, N. Cirenei, R. Spreafico, C. L. Solero, G. Broggi, S. Di Donato, G. Finocchiaro

Research output: Contribution to journalArticlepeer-review

Abstract

The potential of gene therapy strategies for malignant gliomas that are based on retroviral-mediated transfer of a "suicide gene" such as Herpes Simplex Virus-thymidine kinase HSV-tk and subsequent treatment by a prodrug (ganciclovir, for example), has been emphasized by the promising results obtained by several groups. However, further experimental data as well as preliminary clinical results indicate that the low efficiency of retroviral-mediated gene transfer in vivo as well as difficulties for the diffusion of the prodrug inside the tumour mass can limit the efficacy of this form of gene therapy. To achieve a more effective limitation of tumour growth other approaches may be combined with the "suicide gene" strategy and the enhancement of the immunological response to the tumour by cytokine gene transfer is prominent among these approaches. The authors' experiments in nude mice confirm the antineoplastic role of IL-4 and encourage testing the effects of the simultaneous transfer of IL-4 and HSV-tk genes in immunocompetent animals.

Original languageEnglish (US)
Pages (from-to)100-104
Number of pages5
JournalActa Neurochirurgica, Supplement
Volume68
StatePublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)
  • Clinical Neurology

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