PIEZO Ion Channels: Force Sensors of the Interoceptive Nervous System

Overview

Journal J Physiol

Specialty Physiology

Date 2024 Mar 8

PMID 38456626

Authors

Yasmeen M F Hamed

Britya Ghosh

Kara L Marshall

Affiliations

Soon will be listed here.

Abstract

Many organs are designed to move: the heart pumps each second, the gastrointestinal tract squeezes and churns to digest food, and we contract and relax skeletal muscles to move our bodies. Sensory neurons of the peripheral nervous system detect signals from bodily tissues, including the forces generated by these movements, to control physiology. The processing of these internal signals is called interoception, but this is a broad term that includes a wide variety of both chemical and mechanical sensory processes. Mechanical senses are understudied, but rapid progress has been made in the last decade, thanks in part to the discovery of the mechanosensory PIEZO ion channels (Coste et al., 2010). The role of these mechanosensors within the interoceptive nervous system is the focus of this review. In defining the transduction molecules that govern mechanical interoception, we will have a better grasp of how these signals drive physiology.

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