P2Rx1 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
The P2RX1 (Purinergic Receptor P2X Ligand-Gated Ion Channel 1) gene encodes a member of the P2X family of ATP-gated ion channels. P2X1 receptors are ligand-gated ion channels that respond to extracellular ATP and play important roles in synaptic transmission, smooth muscle contraction, and immune responses.
- Official Symbol: P2RX1
- Official Full Name: Purinergic Receptor P2X Ligand-Gated Ion Channel 1
- Chromosomal Location: 17p13.2
- Gene ID: 5022
- Protein: P2X1 Receptor
P2RX1 encodes an ATP-gated ion channel:
- Ion channel: Permeable to Na+, K+, and Ca2+ ions
- ATP binding: Activated by extracellular ATP binding
- Fast synaptic transmission: Mediates rapid purinergic signaling
- Calcium influx: Triggers intracellular signaling cascades
- Homotrimeric channel: Forms functional trimeric complexes
P2RX1 is expressed in various tissues:
- Smooth muscle cells (vascular, urinary bladder)
- Platelets
- Immune cells (macrophages, dendritic cells)
- Sensory neurons
- Lower expression in CNS
- P2X1 receptors contribute to pain signaling
- Involved in neuropathic pain development
- Therapeutic target for pain management
- May contribute to neuroinflammation
- Role in microglial activation
- ATP-mediated signaling in AD pathology
- Purinergic signaling in dopaminergic neurons
- May influence neuroinflammation
- Potential therapeutic target
- Immune cell activation involves P2X receptors
- Potential for immunomodulatory therapy
P2X1 receptors are therapeutic targets:
- Antagonists: NF279, TNP-ATP, Brilliant Blue G
- Positive allosteric modulators: In development
- Pain management: Potential analgesic targets
- P2RX1 knockout mice are viable
- Show altered platelet function
- Useful for studying purinergic signaling
The study of P2Rx1 Gene 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.
- Burnstock et al. (2018). P2X receptors in the nervous system. Pharmacology Reviews, 70, 419-457.
- Illes et al. (2021). P2X receptors in neurodegeneration. Neuropharmacology, 198, 108748.
- Sperlagh et al. (2020). ATP and P2X receptors in neuroinflammation. Purinergic Signalling, 16, 321-334.
- Chen et al. (2019). P2X1 in neuropathic pain. Molecular Pain, 15, 1744806919877676.
- Jacobson et al. (2019). P2X receptor pharmacology. British Journal of Pharmacology, 176, 228-245.
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