Article (Scientific journals)
Odontoblast TRPC5 channels signal cold pain in teeth.
Bernal, Laura; Sotelo-Hitschfeld, Pamela; König, Christine et al.
2021In Science Advances, 7 (13)
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Abstract :
[en] Teeth are composed of many tissues, covered by an inflexible and obdurate enamel. Unlike most other tissues, teeth become extremely cold sensitive when inflamed. The mechanisms of this cold sensation are not understood. Here, we clarify the molecular and cellular components of the dental cold sensing system and show that sensory transduction of cold stimuli in teeth requires odontoblasts. TRPC5 is a cold sensor in healthy teeth and, with TRPA1, is sufficient for cold sensing. The odontoblast appears as the direct site of TRPC5 cold transduction and provides a mechanism for prolonged cold sensing via TRPC5's relative sensitivity to intracellular calcium and lack of desensitization. Our data provide concrete functional evidence that equipping odontoblasts with the cold-sensor TRPC5 expands traditional odontoblast functions and renders it a previously unknown integral cellular component of the dental cold sensing system.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Bernal, Laura
Sotelo-Hitschfeld, Pamela
König, Christine
Sinica, Viktor
Wyatt, Amanda
Winter, Zoltan
Hein, Alexander
Touska, Filip
Reinhardt, Susanne
Tragl, Aaron
Kusuda, Ricardo
Wartenberg, Philipp
Sclaroff, Allen
Pfeifer, John D.
Ectors, Fabien  ;  Université de Liège - ULiège > Scientifiques attachés au Doyen (F MV)
Dahl, Andreas
Freichel, Marc
Vlachova, Viktorie
Brauchi, Sebastian
Roza, Carolina
Boehm, Ulrich
Clapham, David E.
Lennerz, Jochen K.
Zimmermann, Katharina
More authors (14 more) Less
Language :
English
Title :
Odontoblast TRPC5 channels signal cold pain in teeth.
Publication date :
2021
Journal title :
Science Advances
eISSN :
2375-2548
Publisher :
American Association for the Advancement of Science (AAAS), Washington, United States - District of Columbia
Volume :
7
Issue :
13
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).
Available on ORBi :
since 12 May 2021

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