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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Inhibition of growth of human leukaemia 60 cells by S-2-hydroxyacylglutathiones and monoethyl ester derivatives.

S-2-Hydroxyacylglutathione derivatives were found to induce growth arrest and toxicity in human leukaemia 60 cells in culture. S-D-Lactoylglutathione was the most effective with a median inhibitory concentration IC50 of 82 microM (95% C.I. 65-105 microM). No similar toxicity was induced by reduced glutathione and/or the corresponding aldonic acid (500 microM) in human leukaemia 60 cells, nor by S-D-lactoylglutathione (500 microM) in mature human neutrophils under the same culture conditions. Monoethyl ester derivatives of the S-2-hydroxyacylglutathiones were prepared and also induced growth arrest and toxicity but were less effective than the corresponding unesterified compounds. S-2-Hydroxyacylglutathione derivatives also inhibited the incorporation of [3H]thymidine into DNA early in the development of toxicity: for S-D-lactoylglutathione, the median inhibitory concentration was 74 microM (95% C.I. 47-116 microM). The mechanism of the inhibition of human leukaemia cell growth by S-D-lactoylglutathione and other S-2-hydroxyacylglutathione derivatives is unknown but appears to be mediated by the inhibition of DNA synthesis.[1]

References

  1. Inhibition of growth of human leukaemia 60 cells by S-2-hydroxyacylglutathiones and monoethyl ester derivatives. Clelland, J.D., Allen, R.E., Thornalley, P.J. Biochem. Pharmacol. (1992) [Pubmed]
 
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