PANX1 Gene
Introduction
flowchart TD
PANX1["PANX1"] -->|"participates in"| unfolded_protein_response["unfolded protein response"]
PANX1["PANX1"] -->|"associated with"| Als["Als"]
PANX1["PANX1"] -->|"associated with"| Inflammation["Inflammation"]
PANX1["PANX1"] -->|"activates"| Ms["Ms"]
PANX1["PANX1"] -->|"activates"| Als["Als"]
PANX1["PANX1"] -->|"activates"| Inflammation["Inflammation"]
PANX1["PANX1"] -->|"activates"| Aging["Aging"]
PANX1["PANX1"] -->|"activates"| Covid["Covid"]
PANX1["PANX1"] -->|"activates"| P2X7["P2X7"]
PANX1["PANX1"] -->|"activates"| SRC["SRC"]
PANX1["PANX1"] -->|"activates"| P2RX1["P2RX1"]
PANX1["PANX1"] -->|"associated with"| CD38["CD38"]
PANX1["PANX1"] -->|"activates"| P2RX5["P2RX5"]
PANX1["PANX1"] -->|"activates"| P2RY12["P2RY12"]
style PANX1 fill:#4fc3f7,stroke:#333,color:#000
...
PANX1 Gene
Introduction
Mermaid diagram (expand to render)
<table class="infobox infobox-gene">Symbol </td>Full Name </td>Chromosomal Location </td>NCBI Gene ID </td>OMIM ID </td>Ensembl ID </td>UniProt ID </td>Protein Size </td>Molecular Weight </td>Probenecid </td>Carbenoxolone </td>BBG (Brilliant Blue G) </td>Selective peptides </td>
The PANX1 gene (Pannexin 1) encodes a channel protein that forms large-pore channels in the plasma membrane. PANX1 channels allow the passage of ions and small molecules (<1 kDa), including ATP, and play important roles in intercellular communication, inflammation, and cell death["@pelegrin2006"]. In the nervous system, PANX1 is involved in synaptic transmission, neuroinflammation, and various neurological disorders.
Protein Structure PANX1 forms a unique channel structure:
Four Transmembrane Domains : Create the channel poreTwo Extracellular Loops : Involved in channel gatingOne Intracellular Loop : Regulatory interactionsN- and C-termini : Located intracellularlyPANX1 channels function as heptamers, forming large-pore channels.
Normal Cellular Function
Intercellular Communication
ATP Release : Major pathway for ATP release from cellsCalcium Wave Propagation : Mediates intercellular calcium signalingHemichannel Function : Acts as unapposed hemichannelsNeuronal Function
Synaptic Transmission : Modulates excitatory synaptic transmissionNeuronal Excitability : Regulates membrane potentialGlial Signaling : Communication between neurons and gliaImmune Responses
Inflammasome Activation : PANX1 channels activate NLRP3 inflammasomeCytokine Release : Facilitates inflammatory cytokine releasePhagocytosis : Affects immune cell functionExpression Pattern PANX1 is widely expressed:
Brain : Neurons, astrocytes, microgliaImmune System : T-cells, B-cells, macrophagesCardiovascular System : Endothelial cellsOther tissues : Widely expressedIn the brain, PANX1 is found at synapses and in glial cells.
Disease Associations
Alzheimer's Disease
Amyloid-beta Channels : Aβ forms channels similar to PANX1Neuronal Death : Contributes to Aβ-induced toxicityNeuroinflammation : NLRP3 inflammasome activationParkinson's Disease
Dopaminergic Neuron Death : PANX1 activation in substantia nigraNeuroinflammation : Microglial PANX1 activationTherapeutic Target : PANX1 blockers being investigatedStroke and Brain Injury
Ischemic Damage : PANX1 contributes to ischemic neuronal deathTraumatic Brain Injury : Activation following injuryTherapeutic Potential : PANX1 inhibitors show protectionEpilepsy
Seizure Activity : PANX1 channels open during seizuresNeuronal HyperExcitability : Contributes to hyperexcitabilityChannel Regulation PANX1 channels are regulated by:
Calcium : Activated by intracellular calciumVoltage : Voltage-dependent gatingProtein Interactions : Interaction with P2X7 receptorCleavage : Caspase cleavage activates channelsTherapeutic Targeting
See Also
[Pannexin Channels](/mechanisms/pannexin-channels)
[ATP Signaling](/mechanisms/atp-signaling)
[Alzheimer's Disease](/diseases/alzheimers-disease)
[Parkinson's Disease](/diseases/parkinsons-disease)
[Neuroinflammation](/mechanisms/neuroinflammation)
[Cell Death Pathways](/mechanisms/cell-death-pathways)
External Links
[NCBI Gene: PANX1](https://www.ncbi.nlm.nih.gov/gene/9399)
[UniProt: Q96HY7](https://www.uniprot.org/uniprot/Q96HY7)
[GeneCards: PANX1](https://www.genecards.org/cgi-bin/carddisp.pl?gene=PANX1)
References
[Pelegrin P, et al., Pannexin-1 in NLRP3 inflammasome activation (2006) (2006)](https://pubmed.ncbi.nlm.nih.gov/16893423/)
[Iglesias R, et al., Pannexin channels in neuronal function (2009) (2009)](https://pubmed.ncbi.nlm.nih.gov/19217376/)
[Rovedatti M, et al., Pannexin in brain disease (2019) (2019)](https://pubmed.ncbi.nlm.nih.gov/31199677/)
[Sanchez-Alegria K, et al., PANX1 in neurological disorders (2020) (2020)](https://pubmed.ncbi.nlm.nih.gov/32857123/)
From the [SciDEX Exchange](/exchange) — scored by multi-agent debate
[Gap Junction Hemichannel Modulation for Controlled Mitochondrial Exchange](/hypothesis/h-9adb5c9e) — <span style="color:#ffd54f;font-weight:600">0.50</span> · Target: PANX1
Pathway Diagram The following diagram shows the key molecular relationships involving PANX1 Gene discovered through SciDEX knowledge graph analysis:
Mermaid diagram (expand to render)
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