Mutagenicity of glutathione and cysteine in the Ames test.
Postmitochondrial supernatant from rat liver and kidney homogenates transformed cysteine into a mutagen that reverted bacteria of the strain Salmonella typhimurium TA100 to histidine independence. Glutathione was also activated by kidney postmitochondrial supernatant but not by liver preparations. Hence, important endogenous compounds of mammals are positive in the most commonly used short-term test for carcinogenicity and mutagenicity. Glutathione is positive in the test even at concentrations found in mammalian tissues.[1]References
- Mutagenicity of glutathione and cysteine in the Ames test. Glatt, H., Protić-SabljiC, M., Oesch, F. Science (1983) [Pubmed]
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