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[Chlorinated hydrocarbon insecticides(DDT, methoxychlor, HCH etc.)]
Nihon Rinsho. Japanese Journal of Clinical Medicine
|February 24, 2001
Summary
Organochlorine insecticides can disrupt endocrine systems. Some compounds, like DDT metabolites and methoxychlor derivatives, show estrogenic or anti-androgenic effects, impacting environmental health.
Area of Science:
- Environmental Chemistry
- Endocrinology
- Toxicology
Background:
- Organochlorine insecticides are persistent environmental pollutants.
- Their physicochemical properties influence environmental persistence and fate.
- Endocrine disruption is a significant concern associated with these compounds.
Purpose of the Study:
- To review the endocrine-disrupting properties of organochlorine insecticides.
- To correlate physicochemical properties with environmental persistence.
- To identify specific organochlorine compounds and their metabolites with endocrine activity.
Main Methods:
- Literature review of organochlorine insecticides.
- Analysis of physicochemical properties (water solubility, partition coefficient).
- Evaluation of reported endocrine-disrupting effects (estrogenic, anti-androgenic).
Main Results:
- High partition coefficients and low water solubility correlate with environmental persistence.
- p,p'-DDE (a DDT metabolite) exhibits anti-androgenic properties.
- o,p'-DDT, methoxychlor metabolites, and their derivatives show estrogenic activity.
- Other organochlorines like cyclodienes and chlordecone are also reported as estrogenic.
Conclusions:
- Organochlorine insecticides possess diverse endocrine-disrupting properties.
- Metabolites and isomers can retain or exhibit estrogenic/anti-androgenic activity.
- Understanding these properties is crucial for environmental risk assessment.