Components of plastic: Experimental studies in animals and relevance for human health

Chris E. Talsness, Anderson J.M. Andrade, Sergio N. Kuriyama, Julia A. Taylor, Frederick S.Vom Saal

Research output: Contribution to journalReview articlepeer-review

464 Scopus citations

Abstract

Components used in plastics, such as phthalates, bisphenol A (BPA), polybrominated diphenyl ethers (PBDE) and tetrabromobisphenol A (TBBPA), are detected in humans. In addition to their utility in plastics, an inadvertent characteristic of these chemicals is the ability to alter the endocrine system. Phthalates function as anti-androgens while the main action attributed to BPA is oestrogen-like activity. PBDE and TBBPA have been shown to disrupt thyroid hormone homeostasis while PBDEs also exhibit anti-androgen action. Experimental investigations in animals indicate a wide variety of effects associated with exposure to these compounds, causing concern regarding potential risk to human health. For example, the spectrum of effects following perinatal exposure of male rats to phthalates has remarkable similarities to the testicular dysgenesis syndrome in humans. Concentrations of BPA in the foetal mouse within the range of unconjugated BPA levels observed in human foetal blood have produced effects in animal experiments. Finally, thyroid hormones are essential for normal neurological development and reproductive function. Human body burdens of these chemicals are detected with high prevalence, and concentrations in young children, a group particularly sensitive to exogenous insults, are typically higher, indicating the need to decrease exposure to these compounds.

Original languageEnglish
Pages (from-to)2079-2096
Number of pages18
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume364
Issue number1526
DOIs
StatePublished - 27 Jul 2009
Externally publishedYes

Keywords

  • Bisphenol A
  • Endocrine disruptor
  • Phthalates
  • Plastic
  • Polybrominated diphenyl ether
  • Tetrabromobisphenol A

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