Interleukin-17 and senescence regulate the foreign body response

Liam Chung, David Maestas, Andriana Lebid, Ashlie Mageau, Gedge D. Rosson, Xinqun Wu, Matthew T. Wolf, Ada Tam, Isabel Vanderzee, Xiaokun Wang, James I. Andorko, Radhika Narain, Kaitlyn Sadtler, Hongni Fan, Daniela Čiháková, Claude Jourdan Le Saux, Franck Housseau, Drew M. Pardoll, Jennifer H. Elisseeff

Research output: Contribution to journalArticlepeer-review

Abstract

Synthetic biomaterials and medical devices suffer to varying levels from fibrosis via the foreign body response (FBR). To explore mechanistic connections between the immune response and fibrosis from the FBR, we first analyzed fibrotic capsule surrounding human breast implants and found increased numbers of interleukin (IL)17-producing γδ+ T cells and CD4+ TH17 cells as well as senescent cells. Further analysis in a murine model demonstrated an early innate IL17 response to synthetic implants, mediated by innate lymphoid cells and γδ+ T cells, was followed by a chronic adaptive antigen dependent CD4+ TH17 cell response. Mice deficient in IL17 signaling established that IL17 was required for the fibrotic response to materials and the development of p16INK4a senescent cells. Treatment with a senolytic agent reduced IL17 expression and fibrosis. Discovery of a feed-forward loop between the TH17 and senescence response to synthetic materials introduces new targets for therapeutic intervention in the foreign body response.

Original languageEnglish (US)
JournalUnknown Journal
DOIs
StatePublished - Mar 20 2019

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • Immunology and Microbiology(all)
  • Neuroscience(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

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