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

Effects of 2-amino-4,6-dinitrotoluene on p53 tumor suppressor gene expression.

2-Amino-4,6-dinitrotoluene (2-Am-DNT) and its isomers are the most common metabolites of 2,4,6-trinitrotoluene (TNT). It is desirable to know the toxicity of this metabolite particularly because of its role in carcinogenicity and because it could contaminate drinking water. We used MCF-7 human breast cancer cells which have p53 tumor suppressor gene in wild type form in both the loci. Immunoblotting with p53 antibody showed enhanced p53 level in treated cells compared to untreated control cells. Similarly, p53 DNA-protein binding assays (gel-shift) showed accumulation of p53 protein in treated cells. This is the first report which shows p53 accumulation in 2-Am-DNT treated cells providing evidence of potential carcinogenic effects of 2-Am-DNT.[1]


  1. Effects of 2-amino-4,6-dinitrotoluene on p53 tumor suppressor gene expression. Banerjee, H., Hawkins, Z., Dutta, S., Smoot, D. Mol. Cell. Biochem. (2003) [Pubmed]
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