Sex-Change Chemicals and their Influence on the Brain

The potential for man-made chemicals to mimic or antagonise natural hormones is a controversial issue, but one for which increasing amounts of evidence are being gathered worldwide. The controversy surrounds not so much the matter of whether these chemicals can mimic hormones in vitro — this phenome...

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Main Author: Catherine A. Harris
Format: Article
Language:English
Published: Wiley 2001-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/tsw.2001.362
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author Catherine A. Harris
author_facet Catherine A. Harris
author_sort Catherine A. Harris
collection DOAJ
description The potential for man-made chemicals to mimic or antagonise natural hormones is a controversial issue, but one for which increasing amounts of evidence are being gathered worldwide. The controversy surrounds not so much the matter of whether these chemicals can mimic hormones in vitro — this phenomenon has been widely accepted in the scientific world — but more whether, as a result, they can disrupt reproduction in a wildlife situation. It has, nevertheless, been acknowledged that many wildlife populations are exhibiting reproductive and/or developmental abnormalities such as intersex gonads in wild roach populations in the U.K.[1] and various reproductive disorders in alligators in Lake Apopka, Florida[2]. However, the causative agents for many of these effects are difficult to specify, due to the extensive mixtures of chemicals — each of which may act via different pathways — to which wild populations are exposed, together with the wide variability observed even in natural (uncontaminated) habitats. As a result, any information detailing fundamental mechanism of action of the so-called endocrine disrupting chemicals (EDCs) is of use in determining whether or not these chemicals, as they are present in the environment, may in fact be capable of causing some of the effects observed in wildlife over recent years.
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spelling doaj-art-c29827433d804845a503617cd69a24492025-02-03T06:14:19ZengWileyThe Scientific World Journal1537-744X2001-01-01168168310.1100/tsw.2001.362Sex-Change Chemicals and their Influence on the BrainCatherine A. Harris0Brunel University, UKThe potential for man-made chemicals to mimic or antagonise natural hormones is a controversial issue, but one for which increasing amounts of evidence are being gathered worldwide. The controversy surrounds not so much the matter of whether these chemicals can mimic hormones in vitro — this phenomenon has been widely accepted in the scientific world — but more whether, as a result, they can disrupt reproduction in a wildlife situation. It has, nevertheless, been acknowledged that many wildlife populations are exhibiting reproductive and/or developmental abnormalities such as intersex gonads in wild roach populations in the U.K.[1] and various reproductive disorders in alligators in Lake Apopka, Florida[2]. However, the causative agents for many of these effects are difficult to specify, due to the extensive mixtures of chemicals — each of which may act via different pathways — to which wild populations are exposed, together with the wide variability observed even in natural (uncontaminated) habitats. As a result, any information detailing fundamental mechanism of action of the so-called endocrine disrupting chemicals (EDCs) is of use in determining whether or not these chemicals, as they are present in the environment, may in fact be capable of causing some of the effects observed in wildlife over recent years.http://dx.doi.org/10.1100/tsw.2001.362
spellingShingle Catherine A. Harris
Sex-Change Chemicals and their Influence on the Brain
The Scientific World Journal
title Sex-Change Chemicals and their Influence on the Brain
title_full Sex-Change Chemicals and their Influence on the Brain
title_fullStr Sex-Change Chemicals and their Influence on the Brain
title_full_unstemmed Sex-Change Chemicals and their Influence on the Brain
title_short Sex-Change Chemicals and their Influence on the Brain
title_sort sex change chemicals and their influence on the brain
url http://dx.doi.org/10.1100/tsw.2001.362
work_keys_str_mv AT catherineaharris sexchangechemicalsandtheirinfluenceonthebrain