Role of Taste Receptors as Sentinels of Innate Immunity in the Upper Airway.

Role of Taste Receptors as Sentinels of Innate Immunity in the Upper Airway.

J Pathog. 2018;2018:9541987

Authors: Patel NN, Workman AD, Cohen NA

Abstract
Evidence is emerging that shows taste receptors serve functions outside of taste sensation of the tongue. Taste receptors have been found in tissue across the human body, including the gastrointestinal tract, bladder, brain, and airway. These extraoral taste receptors appear to be important in modulating the innate immune response through detection of pathogens. This review discusses taste receptor signaling, focusing on the G-protein-coupled receptors that detect bitter and sweet compounds in the upper airway epithelium. Emphasis is given to recent studies which link the physiology of sinonasal taste receptors to clinical manifestation of upper airway disease.

PMID: 30363975 [PubMed]

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