Abstract
Electrophilic quinones and quinone methides from a variety of natural and synthetic compounds have been classified as likely toxic reactive metabolites. This includes the quinones/quinone methides of catechol-type metabolites from estrogens and polycyclic aromatic hydrocarbons1, 2, 3. Metabolic activation of estrogens to redox active and/or electrophilic metabolites has been proposed as one of the mechanisms responsible for the link between estrogen exposure and the risk of developing cancer1, 2.Especially catechol (ortho-diol)-type of metabolites resulting from cytochrome P450 catalysed hydroxylation of estrogens(Figure.1) may be involved.
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Rietjens, I.M.C.M., Awad, H.M., Boersma, M.G., van Iersel, M.L.P.S., Vervoort, J., van Bladeren, P.J. (2001). Structure Activity Relationships for the Chemical Behaviour and Toxicity of Electrophilic Quinones/Quinone Methides. In: Dansette, P.M., et al. Biological Reactive Intermediates VI. Advances in Experimental Medicine and Biology, vol 500. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-0667-6_2
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