Author
Listed:
- Chengyin Yuan
(Medical College of Wisconsin)
- Aditya Rayasam
(Medical College of Wisconsin)
- Alison Moe
(Medical College of Wisconsin)
- Michael Hayward
(Medical College of Wisconsin)
- Clive Wells
(Medical College of Wisconsin)
- Aniko Szabo
(Medical College of Wisconsin)
- Andrew Mackenzie
(MRC Laboratory of Molecule Biology)
- Nita Salzman
(Medical College of Wisconsin)
- William R. Drobyski
(Medical College of Wisconsin
Medical College of Wisconsin
Medical College of Wisconsin)
Abstract
Paneth cell metaplasia (PCM) typically arises in pre-existing gastrointestinal (GI) diseases; however, the mechanistic pathway that induces metaplasia and whether PCM is initiated exclusively by disorders intrinsic to the GI tract is not well known. Here, we describe the development of PCM in a murine model of chronic myelogenous leukemia (CML) that is driven by an inducible bcr-abl oncogene. Mechanistically, CML induces a proinflammatory state within the GI tract that results in the production of epithelial-derived IL-33. The binding of IL-33 to the decoy receptor ST2 leads to IL-9 production by type 2 innate lymphoid cells (ILC2) which is directly responsible for the induction of PCM in the colon and tissue remodeling in the small intestines, characterized by goblet and tuft cell hyperplasia along with expansion of mucosal mast cells. Thus, we demonstrate that an extra-intestinal disease can trigger an ILC2/IL-9 immune circuit, which induces PCM and regulates epithelial cell fate decisions in the GI tract.
Suggested Citation
Chengyin Yuan & Aditya Rayasam & Alison Moe & Michael Hayward & Clive Wells & Aniko Szabo & Andrew Mackenzie & Nita Salzman & William R. Drobyski, 2023.
"Interleukin-9 production by type 2 innate lymphoid cells induces Paneth cell metaplasia and small intestinal remodeling,"
Nature Communications, Nature, vol. 14(1), pages 1-20, December.
Handle:
RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43248-5
DOI: 10.1038/s41467-023-43248-5
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