Triclocarban Exposure Exaggerates Spontaneous Colonic Inflammation in Il-10-/- Mice

Minhao Xie, Hongna Zhang, Weicang Wang, Heather L. Sherman, Lisa M. Minter, Zongwei CAI, Guodong Zhang*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

15 Citations (Scopus)


Triclocarban (3,4,4′-trichlorocarbanilide, TCC) is a high-volume chemical used as an antimicrobial ingredient in many consumer and personal care products. In 2016, the Food and Drug Administration removed TCC from over-the-counter hand washing products. However, TCC remains approved to use in many other products and is a ubiquitous contaminant in the environment; furthermore, many common food crops can efficiently accumulate environmental TCC, resulting in potential human exposure through oral ingestion of contaminated food products. Therefore, human exposure to TCC could be a long-lasting and serious problem. A better understanding of its impact on human health could lead to important impact for public health and regulatory policy. Using a spontaneous colonic inflammation model in Il-10-/- mice, here we demonstrate that exposure to TCC, at doses relevant to human exposure, exaggerates spontaneous colonic inflammation in Il-10-/- mice, with reduced colon length, increase fecal concentration of lipocalin 2, enhanced gene expression of Il-6 and Ifn-γin the colon, and exaggerated crypt damage in the colon. Collectively, these results support that TCC could be a potential environmental risk factor of colitis and associated gut diseases.

Original languageEnglish
Pages (from-to)92-99
Number of pages8
JournalToxicological Sciences
Issue number1
Publication statusPublished - 1 Mar 2020

Scopus Subject Areas

  • Toxicology

User-Defined Keywords

  • colitis
  • consumer antimicrobials
  • Il-10 mice
  • triclocarban (TCC)


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