Journal article

Nociceptive sensory neurons promote CD8 T cell responses to HSV-1 infection.

Jessica Filtjens, Anais Roger, Linda Quatrini, Elisabeth Wieduwild, Jordi Gouilly, Guillaume Hoeffel, Rafaëlle Rossignol, Clara Daher, Guilhaume Debroas, Sandrine Henri, Claerwen M Jones, Bernard Malissen, Laura K Mackay, Aziz Moqrich, Francis R Carbone, Sophie Ugolini

Nature Communications | Published : 2021

Abstract

Host protection against cutaneous herpes simplex virus 1 (HSV-1) infection relies on the induction of a robust adaptive immune response. Here, we show that Nav1.8+ sensory neurons, which are involved in pain perception, control the magnitude of CD8 T cell priming and expansion in HSV-1-infected mice. The ablation of Nav1.8-expressing sensory neurons is associated with extensive skin lesions characterized by enhanced inflammatory cytokine and chemokine production. Mechanistically, Nav1.8+ sensory neurons are required for the downregulation of neutrophil infiltration in the skin after viral clearance to limit the severity of tissue damage and restore skin homeostasis, as well as for eliciting ..

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