Salty Taste: From Transduction to Transmitter Release, Hold the Calcium
- PMID: 32497506
- DOI: 10.1016/j.neuron.2020.05.012
Salty Taste: From Transduction to Transmitter Release, Hold the Calcium
Abstract
Detection of NaCl by the gustatory system is fundamental for salt intake and tissue homeostasis. Yet, signal transduction mechanisms for salty taste have remained obscure. In this issue of Neuron, Nomura et al. (2020) report that the epithelial sodium channel ENaC, which serves as the salty receptor, is co-expressed with the voltage-activated ATP release channel CALHM1/3 in a subset of taste cells and that these cells mediate amiloride-sensitive salty taste.
Keywords: CALHM1; CALHM3; ENaC; amiloride; gustatory; purinergic; salty; sodium channel; taste.
Copyright © 2020 Elsevier Inc. All rights reserved.
Comment on
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All-Electrical Ca2+-Independent Signal Transduction Mediates Attractive Sodium Taste in Taste Buds.Neuron. 2020 Jun 3;106(5):816-829.e6. doi: 10.1016/j.neuron.2020.03.006. Epub 2020 Mar 30. Neuron. 2020. PMID: 32229307
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