Cancer Research 1989-12-01

Antimutagenic effects of taurine in a bacterial assay system.

S A Laidlaw, M F Dietrich, M P Lamtenzan, H I Vargas, J B Block, J D Kopple

Index: Cancer Res. 49(23) , 6600-4, (1989)

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Abstract

Taurine (2-aminoethanesulfonic acid) was evaluated as an antimutagen in the Ames Salmonella tester strain assay. Taurine inhibited mutagenesis by doxorubicin (-74%), bleomycin (-55%), mitomycin C (-56%), and 2-aminofluorene (-52%), but not danthrone or benzo(a)pyrene, in strain TA102. In strain TA98, doxorubicin mutagenicity, but not that of 2-aminofluorene or benzo(a)pyrene, was inhibited by taurine. N-Methyl-N'-nitro-N-nitrosoguanidine (-73%), but not dexon, mutagenicity was inhibited by taurine in strain TA100. Taurine inhibited those mutagens against which it was effective in a dose-related fashion. Taurine was more effective in inhibiting doxorubicin mutagenicity in strain TA102 than its analogues hypotaurine, beta-alanine, and guanidinoethanesulfonic acid or alanine or glycine. The observed inhibition may indicate a role for taurine in modulating the activity of oxidant species.

Related Compounds

  • Fenaminosulf

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