Abstract
AbstractAlthough gastric cancer is a leading cause of cancer-related deaths, systemic treatment strategies remain scarce. Here we explore a metabolite-triggered circuit between epithelial tuft cells and innate lymphoid type 2 cells (ILC2) that is evolutionarily optimized for intestinal remodeling in response to helminth infection. We demonstrate that tuft cell-derived interleukin 25 (IL25) acts as an alarmin on ILC2s to induce the release of IL13 as a growth factor for tuft cells, and propose that this model drives early metaplastic remodeling and gastric tumor formation. Genetic ablation of tuft cells, ILC2s or antibody-mediated neutralization of IL13 or IL25 reduces the growth of established tumors. Thus, the tuft cell/ILC2 axis provides an opportunity to therapeutically inhibit preneoplastic lesions and early-stage gastric cancer through repurposing of antibody-mediated therapies.One-Sentence SummaryTuft cells and type 2 innate lymphoid cells offer a new therapeutic target in gastric disease.
Publisher
Cold Spring Harbor Laboratory
Cited by
5 articles.
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