Target intelligence / Profile preview

Transient receptor potential melastatin 8 protein (TRPM8)

Target
TRPM8
Molecular classification
Ion channel, Receptor
01

Overview

TRPM8 acts as the primary molecular sensor for cold temperatures in humans. It is activated by cool temperatures (typically below ~28°C) and by chemical ligands such as menthol and icilin. Upon activation, it functions as a nonselective cation channel allowing influx of Ca²⁺ and Na⁺ ions into cells. This protein plays critical roles in somatosensory perception of environmental cold and sensations associated with cooling agents like menthol.

Other names
Cold and menthol receptor 1CMR1Transient receptor potential cation channel subfamily M member 8
02

Mechanism of action

Activation of nonselective cation channel allowing influx of Ca²⁺ and Na⁺ ions

03

Biological functions

Somatosensory perceptionIon channel activitySignal transduction
04

Disease associations

Pain syndromesAsthmaCancer
05

Safety considerations

Potential for altered temperature sensation (cold allodynia)Respiratory conditions exacerbated by cold environments
06

Interacting drugs

Menthol

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