Hexabromocyclododecane (HBCD) induced changes in the liver proteome of eu- and hypothyroid female rats

I. Miller, T. Serchi, S. Cambier, C. Diepenbroek, J. Renaut, J.H.J. Van der Berg, C. Kwadijk, A.C. Gutleb, E. Rijntjes, A.J. Murk*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

23 Citations (Scopus)


Hexabromocyclododecane (HBCD) is a brominated flame retardant known for its low acute toxicity as observed in animal experiments. However, HBCD exposure can affect liver functioning and thyroid hormone (TH) status. As exact mechanisms are unknown and only limited toxicological data exists, a gel-based proteomic approach was undertaken. In a eu- and hypothyroid female rat model, rats were exposed to 3 and 30 mg/kg. bw/day HBCD for 7 days via their diet, and exposure was related to a range of canonical endpoints (hormone status, body weight) available for these animals. Alterations in the liver proteome under HBCD exposure were determined in comparison with patterns of control animals, for both thyroid states. This revealed significantly changed abundance of proteins involved in metabolic processes (gluconeogenesis/glycolysis, amino acid metabolism, lipid metabolism), but also in oxidative stress responses, in both euthyroid and hypothyroid rats. The results provide a more detailed picture on the mechanisms involved in these alterations, e.g. at the protein level changes of the proposed influence of HBCD on the lipid metabolism. Present results show that proteomic approaches can provide further mechanistic insights in toxicological studies.

Original languageEnglish
Pages (from-to)40-51
JournalToxicology Letters
Publication statusPublished - 2016


  • HBCD
  • Hypothyroidism
  • Lipid metabolism
  • Liver
  • Proteomics
  • Rat


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