Receptors mediating toxicity and their involvement in endocrine disruption.

Joëlle Rüegg, Pauliina Penttinen-Damdimopoulou, Sari Mäkelä, Ingemar Pongratz, Jan-Ake Gustafsson

Research output: Contribution to journalReview articlepeer-review

12 Scopus citations

Abstract

Many toxic compounds exert their harmful effects by activating of certain receptors, which in turn leads to dysregulation of transcription. Some of these receptors are so called xenosensors. They are activated by external chemicals and evoke a cascade of events that lead to the elimination of the chemical from the system. Other receptors that are modulated by toxic substances are hormone receptors, particularly the ones of the nuclear receptor family. Some environmental chemicals resemble endogenous hormones and can falsely activate these receptors, leading to undesired activity in the cell. Furthermore, excessive activation of the xenosensors can lead to disturbances of the integrity of the system as well. In this chapter, the concepts of receptor-mediated toxicity and hormone disruption are introduced. We start by describing environmental chemicals that can bind to xenosensors and nuclear hormone receptors. We then describe the receptors most commonly targeted by environmental chemicals. Finally, the mechanisms by which receptor-mediated events can disrupt the system are depicted.

Original languageEnglish (US)
Pages (from-to)289-323
Number of pages35
JournalEXS
Volume99
DOIs
StatePublished - Jan 1 2009

ASJC Scopus subject areas

  • Medicine(all)

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