Suicide gene therapy: Conversion of ethanol to acetaldehyde mediated by human beta 2 alcohol dehydrogenase

Philip Savage, Pam Cowburn, Dahn Clemens, Thomas Hurley, Bim Laguda, Pilar Martin-Duque, Georges Vassaux, Nick R. Lemoine

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Acetaldehyde (AcH) produced in the physiological metabolism of ethanol can be potentially toxic and immunomodulating. The antitumour activity of a suicide gene system using adenovirus delivered alcohol dehydrogenase (ADH) to convert ethanol to acetaldehyde inside cancer cells has been investigated in vitro and in vivo. In vitro experiments confirmed the toxicity of acetaldehyde to a number of tumour cell lines. Daudi lymphoma cells grown in normal media increased by Day 4 to 650% of their starting number, while those exposed to 250 μM, 500 μM and 1 mM acetaldehyde reached 138, 30 and 5% respectively. Adenocarcinoma cells appeared to be less sensitive with CMT-64 cells and HeLa cells numbering 105 and 53% of their starting number by Day 4 with 1 mM acetaldehyde. After transduction with an adenovirus containing the human ADH beta 2 cDNA, CMT-64 cells exposed to 20 mM ethanol had a reduction in number to 74% by Day 2 and to 36% by Day 4. In a preclinical model with Ad-ADH CMT-64 cells, mice exposed to daily pulses of ethanol for 5 days formed tumours only 30% on Day 6 and 42% on Day 13 of the volume of those in mice exposed to water.The ability of this easily administered suicide gene system to produce significant effects on cell proliferation in vivo suggests that further optimized development is warranted.

Original languageEnglish
Pages (from-to)774-781
Number of pages8
JournalCancer Gene Therapy
Volume11
Issue number12
DOIs
StatePublished - Dec 2004

Fingerprint

Gene Conversion
Acetaldehyde
Genetic Therapy
Suicide
Ethanol
Alcohol Dehydrogenase
Adenoviridae
Aptitude
Poisons
Tumor Cell Line
HeLa Cells
Genes
human ADH1B protein
Lymphoma
Neoplasms
Adenocarcinoma
Complementary DNA
Cell Proliferation
Water

Keywords

  • Acetaldehyde
  • Ethanol
  • Suicide gene

ASJC Scopus subject areas

  • Cancer Research
  • Genetics

Cite this

Suicide gene therapy : Conversion of ethanol to acetaldehyde mediated by human beta 2 alcohol dehydrogenase. / Savage, Philip; Cowburn, Pam; Clemens, Dahn; Hurley, Thomas; Laguda, Bim; Martin-Duque, Pilar; Vassaux, Georges; Lemoine, Nick R.

In: Cancer Gene Therapy, Vol. 11, No. 12, 12.2004, p. 774-781.

Research output: Contribution to journalArticle

Savage, P, Cowburn, P, Clemens, D, Hurley, T, Laguda, B, Martin-Duque, P, Vassaux, G & Lemoine, NR 2004, 'Suicide gene therapy: Conversion of ethanol to acetaldehyde mediated by human beta 2 alcohol dehydrogenase', Cancer Gene Therapy, vol. 11, no. 12, pp. 774-781. https://doi.org/10.1038/sj.cgt.7700764
Savage, Philip ; Cowburn, Pam ; Clemens, Dahn ; Hurley, Thomas ; Laguda, Bim ; Martin-Duque, Pilar ; Vassaux, Georges ; Lemoine, Nick R. / Suicide gene therapy : Conversion of ethanol to acetaldehyde mediated by human beta 2 alcohol dehydrogenase. In: Cancer Gene Therapy. 2004 ; Vol. 11, No. 12. pp. 774-781.
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