Kcnj1 Protein (Romk Potassium Channel) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
:: infobox .infobox-protein
| KCNJ1 Protein (ROMK Potassium Channel) | |
|---|---|
| Gene | KCNJ1 |
| UniProt | P48048 |
| Molecular Weight | ~38 kDa |
| Subcellular Localization | Plasma membrane |
| Protein Family | Inward rectifier potassium channel family |
| Aliases | ROMK, Kir1.1 |
===
KCNJ1 (ROMK) is an inward-rectifier potassium channel. It forms homomeric channels and is primarily expressed in kidney.
ROMK regulates:
KCNJ1 mutations cause Bartter syndrome:
ROMK variants affect blood pressure.
ROMK modulators are used for:
The study of Kcnj1 Protein (Romk Potassium Channel) 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.
Hille B. Ion Channels of Excitable Membranes. 3rd ed. Sunderland, MA: Sinauer Associates; 2001.
Raggenbass M. Overview of principal ion channels and receptors in the CNS. In: Reference Module in Biomedical Sciences. Elsevier; 2018.
Caterina MJ. Voltage-gated calcium channels. In: Encyclopedia of Biological Chemistry. 2013:701-705.
Yu FH, Catterall WA. Overview of the voltage-gated sodium channel family. Genome Biol. 2003;4(3):207.
Sharker SM, Hattori M. Structure and function of voltage-gated potassium channels. In: Alkondon M, ed. Potassium Channels. IntechOpen; 2019.
The KCNJ1 Protein is involved in various cellular processes in the nervous system. This entity plays important roles in neuronal function, gene expression regulation, and cellular homeostasis. Dysfunction has been implicated in neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, and amyotrophic lateral sclerosis.
The KCNJ1 Protein participates in multiple molecular pathways critical for neuronal health. It is expressed in various brain regions and cell types, where it contributes to synaptic transmission, gene regulation, and intracellular signaling cascades.
Alterations in KCNJ1 Protein expression or function have been associated with several neurodegenerative conditions. Research suggests that this entity may serve as a therapeutic target for disease modification in AD, PD, and related disorders.