Published: dicembre 29, 2022
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The study of the biological impact of exposure to endocrine disruptors is a complex and constantly updated subject. Recent evidence shows, in fact, that even exposure to low dosages of these substances during embryonic development is able to alter the biology of cells, tissues and organs of both the individual himself and his progeny for at least three successive generations. The enormous impact of substances released currently and/or in the past into the environment falls both on human health and on wild and farmed animal species. Although the synthesis and commercialization of substances that are currently known as endocrine disruptors dates back to a century ago, the term endocrine disruptor was proposed later, in 1993 and identifies any exogenous substance (natural or synthetic) capable to interfere with normal hormonal functions, with the synthesis of hormones, with their transport within the body or with their catabolism. The alterations induced by endocrine disruptors can have the adult individual as a general target but are particularly worrying if the target is the developing embryo due to the nowadays known transgenerational effects. Finally, the toxicology of endocrine disruptors cannot ignore the evaluation of the effects on populations and, ultimately, on ecosystems. The essay illustrates the effects of some known endocrine disruptors at various levels, from molecular action to transgenerational effects, and the endocrine disruptor hypothesis which states that environmental endocrine disruptors have an impact on animal health altering the expression of key genes during embryonic development.

Menegola, E. (2022). TARGET BIOLOGICI DEGLI INTERFERENTI ENDOCRINI. Istituto Lombardo - Accademia Di Scienze E Lettere • Incontri Di Studio.



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