Target intelligence / Profile preview

Hyperpolarization-activated Cyclic Nucleotide-gated Channel 1 (None)

Target
None
Molecular classification
Voltage-gated ion channel superfamily, Ion channel
01

Overview

Hyperpolarization-activated cyclic nucleotide-gated channel 1 (HCN1) is a voltage-gated ion channel that opens in response to membrane hyperpolarization. It contributes to the generation of Ih/If currents, which regulate heart rate, neuronal excitability, and other physiological processes. HCN1 channels are modulated by intracellular cAMP levels, and their dysfunction has been linked to epilepsy, neuropathic pain, and neurodegenerative diseases. Several clinically relevant drugs, including ketamine, propofol, isoflurane, and sevoflurane, inhibit HCN1.

Other names
HCN1Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1
02

Mechanism of action

Inhibition of HCN1 channel activity

03

Biological functions

Regulation of heart rateNeuronal excitabilityDendritic integrationSynaptic transmissionSleep-wake cyclesLearning/memory processesSomatic sensationGeneration of Ih/If currents
04

Disease associations

EpilepsyNeuropathic painNeurodegenerative diseases
05

Safety considerations

Potential for altered neuronal excitabilityCardiac effects
06

Interacting drugs

Ketamine

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