Type 2 inflammation (T2I) accompanies many inflammatory diseases. In a recent issue of Cell, Ahrends et al. demonstrate that helminth-elicited T2I preserves excitatory neurons and enteric function through the expansion of Arginase-1 (Arg-1)-expressing macrophages, thereby extending our understanding of the protective functions that T2I can orchestrate in inflamed barrier tissue.
Keywords: Arginase-1; alternatively activated macrophages; type 2 inflammation.
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