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Collection of Alfalfa Root Exudates to Study the Impact of Di(2-ethylhexyl) Phthalate on Metabolite Production
Published on: June 2, 2023
Reproductive and developmental toxicity of phthalates
Jan L Lyche1, Arno C Gutleb, Ake Bergman
1Department of Production Animal Clinical Science, Norwegian School of Veterinary Science, Oslo, Norway. jan.l.lyche@veths.no
Journal of Toxicology and Environmental Health. Part B, Critical Reviews
|February 26, 2010
Summary
Human exposure to phthalates from consumer products is widespread. Current data are insufficient to confirm reproductive and developmental risks in humans, necessitating further research on these widely used chemicals.
Area of Science:
- Environmental Health
- Toxicology
- Reproductive Science
Background:
- Phthalates are widely used in consumer products, leading to constant human exposure.
- Rodent studies indicate endocrine-disrupting effects and developmental/reproductive toxicity from fetal phthalate exposure.
- Concerns exist regarding potential human health risks, particularly for di(2-ethylhexyl) phthalate (DEHP), di-n-butyl phthalate (DBP), and butyl benzyl phthalate (BBP).
Purpose of the Study:
- To evaluate human and experimental evidence of adverse reproductive and developmental effects from phthalate exposure.
- To identify knowledge gaps for future research directions.
Main Methods:
- Review of human and experimental data on phthalate toxicity.
- Focus on DEHP, DBP, and BBP due to established toxicity.
- Utilized urinary metabolites as biomarkers for exposure assessment.
Main Results:
- Human toxicity data are insufficient to confirm reproductive effects observed in animal models.
- Female reproductive toxicity data are notably scarce.
- Phthalate exposure levels in the general population are near or exceed tolerable daily intake (TDI), with high-risk groups showing significantly higher levels.
- Inconsistencies in exposure data and potential for secondary metabolites to be more accurate biomarkers.
Conclusions:
- Further human studies are crucial to assess reproductive and developmental risks associated with phthalate exposure.
- Research should prioritize human developmental and reproductive endpoints.
- Understanding toxic interactions within phthalate mixtures and developing strategies for combined exposure are essential.
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