PMID: 26821467Jan 30, 2016Paper

Biomechanism-based innovation of toxicology by the fundamental concept of "Signal Toxicity"

Kokuritsu Iyakuhin Shokuhin Eisei Kenkyūjo hōkoku = Bulletin of National Institute of Health Sciences
Jun Kanno

Abstract

When Rachel Carson wrote the "Silent Spring" in 1962, the toxicology society was influenced in an indirect way mainly on environmental effects of massive use of pesticides. However, at that time, for those who were studying DDT and other pesticides, the biological effect of such chemicals were understood as a result of their long-lasting toxicants with slow elimination rates from the body; bio- persistency and in some case bio- and environmentally accumulative. And the chronic effects became overt including complex endpoints not only liver toxicity but, reproductive, immune, and neuronal. The impact of Silent Spring on toxicology seems to have established the foundations for scientifically accepting the problems widely raised by the Theo Colborn's "Our stolen future", although its main target was reproductive mechanisms including oestrogen and androgen system. For basic receptor biologists, non-monotonic dose-response curve was a matter of course, but for toxicologists at tnat time, all dose-response curves should be monotonic. With further detailed discussion many toxicologists started to understand that there is a good plausibility that such non-monotonic and low dose effect can happen in wild life and may be in humans under ...Continue Reading

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