Voltage Gated Potassium (Kv) Channel Neurons is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Voltage-Gated Potassium (Kv) Channel Neurons are neurons expressing Kv channels, which regulate membrane potential, action potential repolarization, and neuronal excitability. The Kv channel family is the largest ion channel family.
Kv channels throughout CNS:
- Kv1 (Shaker): Axons, terminals
- Kv2 (Shab): Soma, dendrites
- Kv3 (Shaw): Fast-spiking neurons
- **Kv4 (Shal): Dendrites, A-current
- **Kv7 (KCNQ/M): M-current
- α subunits: 6 transmembrane domains
- β subunits: Regulatory
- Diverse complexes: Location-specific
- Delayed rectifier: Kv2, Kv3
- A-current: Kv1, Kv4
- M-current: Kv7
- D-current: Kv1, Kv2
- Action potential repolarization: Kv3, Kv4
- Resting potential: Kv1, Kv7
- Firing patterns: Type-specific regulation
- Dendritic integration: Kv1, Kv4
- Kv channel dysfunction
- Aβ alters Kv function
- Excitability changes
- Kv11.3 in dopaminergic neurons
- Altered excitability
- Kv1 mutations cause epilepsy
- Channelopathies
- Therapeutic: Kv channel openers
- Kv1.1 mutations cause episodic ataxia
- Kv3.3 in cerebellar degeneration
The study of Voltage Gated Potassium (Kv) Channel Neurons has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
- Coetzee WA, et al. (1999). Molecular diversity of K+ channels. Annals of the New York Academy of Sciences.
- Ghez C, et al. (2019). Kv channels in neuronal excitability. Physiological Reviews.
- Higgs MH, et al. (2018). Kv channels in disease. Brain.
- Johnston J, et al. (2010). Kv channelopathies. Brain.
- Kaczmarek LK, et al. (2017). Kv channels in synaptic plasticity. Nature Reviews Neuroscience.
- Miller C, et al. (2020). Kv channel structure. Annual Review of Physiology.
- Rudy B, et al. (2018). Kv channels and neuronal firing. Neuroscientist.
- Shieh CC, et al. (2018). Kv channel drug targets. Trends in Pharmacological Sciences.