Related Experiment Video
Updated: Jul 19, 2026

Profiling Voltage-gated Potassium Channel mRNA Expression in Nigral Neurons using Single-cell RT-PCR Techniques
Published on: September 27, 2011
Eag1 K+ Channel: Endogenous Regulation and Functions in Nervous System
Bo Han1, Tursonjan Tokay2, Guangming Zhang3
1Department of General Surgery, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China; Hongqiao International Institute of Medicine, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China.
Ether-à-go-go1 (EAG1) channels, redox-regulated ion channels, are crucial in the central nervous system and cancer. This review highlights their regulation by endogenous signals and roles in neuronal function and disease.
Area of Science:
- Molecular Biology
- Neuroscience
- Oncology
Background:
- Ether-à-go-go1 (EAG1) channels are voltage-gated potassium channels found in the central nervous system and cancer cells.
- EAG1 channels are part of the redox-regulated ion channel family, influenced by endogenous signals like reactive oxygen species.
- The established roles of EAG1 in tumor development and its therapeutic potential are significant, alongside growing appreciation for its function in the nervous system.
Purpose of the Study:
- To review recent advancements in the regulation of EAG1 channels by endogenous signals.
- To explore the potential functions of EAG1 channels in normal neuronal signaling.
- To investigate the involvement of EAG1 channels in neurological diseases.
Main Methods:
- Literature review of recent research on EAG1 channel regulation and function.
- Analysis of studies on endogenous signal modulation of EAG1 channels.
- Synthesis of findings related to EAG1's role in neuroscience and oncology.
Main Results:
- EAG1 channels are subject to regulation by various endogenous signals, particularly reactive oxygen species.
- EAG1 channels play critical roles in both cancer progression and normal neuronal signaling.
- Emerging evidence points to the involvement of EAG1 channels in the development of neurological disorders.
Conclusions:
- EAG1 channels represent a key link between redox signaling, neuronal function, and cancer biology.
- Understanding EAG1 channel regulation offers potential therapeutic strategies for neurological diseases and cancer.
- Further research into EAG1 channels is warranted to fully elucidate their complex roles.
More Related Videos
Related Concept Videos
Non-gated Ion Channels
Compared to the gated ion channels, the non-gated channels, also known as leakage or passive channels, have no gating mechanism.
The Role of Ion Channels in Neuronal Computation
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential.
Ligand-gated Ion Channels
Three Subfamilies of Ligand-gated Ion Channels
Ligand-gated ion channels fall into three subfamilies. The 'Cys-loop' includes the nicotinic acetylcholine receptors, γ-aminobutyric acid (GABA), glycine, and 5-hydroxytryptamine receptors. The second one is the 'Pore-loop' channels that include the...
Voltage-gated Ion Channels
Generally, all voltage-gated ion channels have a 'voltage-sensing domain' that spans the lipid bilayer. The charged residues in the sensor move in response to the membrane potential changes that open the channel allowing ions movement. There are several types of...
G-Protein Gated Ion Channels
Sensory organs,...
Ligand-Gated Ion Channel Receptor: Gating Mechanism

