Genetic activity of the human carcinogen sulphur mustard towards Salmonella and the mouse bone marrow

J Ashby1, H Tinwell, R D Callander

  • 1ICI Central Toxicology Laboratory, Macclesfield, Ches., Great Britain.

Mutation Research
|May 1, 1991
PubMed

Insights

Sulphur mustard is mutagenic to bacteria and induces micronuclei in mice. This genotoxicity data supports the classification of sulphur mustard as a human carcinogen.

Area of Science:

  • Toxicology
  • Genetics
  • Carcinogenesis

Background:

  • Sulphur mustard is a chemical warfare agent with known toxic properties.
  • Genotoxicity is a key indicator of potential carcinogenicity.

Purpose of the Study:

  • To evaluate the mutagenic potential of sulphur mustard in bacterial assays.
  • To assess the genotoxic effects of sulphur mustard in mammalian systems.

Main Methods:

  • Bacterial mutagenicity assay using a repair-proficient strain (uvrB+) of Salmonella typhimurium (strain G46).
  • In vivo micronucleus test in mouse bone marrow.

Main Results:

  • Sulphur mustard demonstrated clear mutagenicity in the Salmonella typhimurium assay.
  • Sulphur mustard was identified as a micronucleus-inducing agent in mouse bone marrow.

Conclusions:

  • Sulphur mustard exhibits genotoxic activity in both prokaryotic and eukaryotic systems.
  • The genotoxicity of sulphur mustard aligns with the characteristics of known human carcinogens.

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