Dioxins and the ah receptor

Ellen K. Silbergeld, Thomas A. Gasiewicz

Research output: Contribution to journalComment/debatepeer-review

Abstract

Despite continuing controversies related to public policy, information on the molecular biology of 2,3,7,8‐tetrachlorodibenzo‐p‐dioxin (TCDD) has advanced significantly over the past decade. Current understanding of the biological mechanisms of TCDD action is based upon the interactions of TCDD with a genetically expressed cytosolic macromolecule that functions as a receptor in many cells across many species. The Ah receptor recognizes TCDD and structurally similar molecules and serves as the transducing step whereby TCDD alters gene expression through the association of the TCDD:receptor complex with specific TCDD‐responsive elements on the genome. Understanding these molecular events and their relevance to the organ‐level manifestations of TCDD toxicity may be critical to formulating scientifically based assessments of the risk of TCDD exposure.

Original languageEnglish (US)
Pages (from-to)455-474
Number of pages20
JournalAmerican Journal of Industrial Medicine
Volume16
Issue number4
DOIs
StatePublished - 1989
Externally publishedYes

Keywords

  • 2,3,7,8‐tetrachlorodibenzo‐p‐dioxin
  • risk assessment
  • toxicity

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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