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Taste receptors, innate immunity and longevity: the case of TAS2R16 gene

  • Authors: Malovini, Alberto; Accardi, Giulia; Aiello, Anna; Bellazzi, Riccardo; Candore, Giuseppina; Caruso, Calogero; Ligotti, Mattia Emanuela; Maciag, Anna; Villa, Francesco; Puca, Annibale A
  • Publication year: 2019
  • Type: Articolo in rivista (Articolo in rivista)
  • OA Link:


Innate immunity utilizes components of sensory signal transduction such as bitter and sweet taste receptors. In fact, empirical evidence has shown bitter and sweet taste receptors to be an integral component of antimicrobial immune response in upper respiratory tract infections. Since an efficient immune response plays a key role in the attainment of longevity, it is not surprising that the rs978739 polymorphism of the bitter taste receptor TAS2R16 gene has been shown to be associated with longevity in a population of 941 individuals ranging in age from 20 to 106 years from Calabria (Italy). There are many possible candidate genes for human longevity, however of the many genes tested, only APOE and FOXO3 survived to association in replication studies. So, it is necessary to validate in other studies genes proposed to be associated with longevity. Thus, we analysed the association of the quoted polymorphism in a population of long lived individuals (LLIs) and controls from another Italian population from Cilento.