gene 2,340 words KG: C1Q
Contents

C1QA Gene — Complement Component 1q A Chain

🧬 Gene Info
Gene SymbolC1QA
Full NameComplement Component 1, Q Subunit A
Chromosome1p36.33
Protein TypeSignaling Protein
Target ClassSignaling Protein
FunctionThe C1QA gene encodes the A-chain of complement component C1q.
Mechanism of ActionComplement cascade inhibitor or antibody-mediated neutralization
Primary ExpressionPrimarily expressed in myeloid cells (monocytes, macrophages, microglia); astrocytic expression detected in disease states
Subcellular Localizationsynapses, dystrophic neurites, extracellular protein aggregates, and vascular interfaces. These features make C1QA a hig
DruggabilityLow (0.41)
Clinical StagePhase II
Amino Acids245 aa
PathwaysComplement, Complement system, Synaptic pruning, complement activation
UniProt IDP02787
NCBI Gene ID712
Ensembl IDENSG00000196954
OMIM120550
GeneCardsC1QA
Human Protein AtlasC1QA
Associated DiseasesA1_astrocytes, AD, Aging, ALI, Als
Known Drugs/CompoundsC1q_mimetic_decoys
InteractionsAIF1, ALZHEIMER, ALZHEIMER'S DISEASE, AMYLOID, AND, ANXIETY
SciDEX TargetView Target Profile (7 clinical trials)
SciDEX HypothesesComplement C1q Mimetic Decoy Therapy
Complement C1QA Spatial Gradient in Cortical Layer
Complement C1q Subtype Switching (+7 more)
KG Connections721 knowledge graph edges
DatabasesGeneCardsHPASTRING

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🌐 Cross-references

NCBI GeneUniProtGeneCardsWikipediaHGNCEnsembl

Related Hypotheses (69)

SASP-Mediated Complement Cascade Amplification
Score: 0.82
Targeting SASP-Complement Amplification Through HIF-1α Downs
Score: 0.79
Complement C1q-Mediated Synaptic Pruning Drives Early Cognit
Score: 0.77
Selective blockade of classical-pathway activation downstrea
Score: 0.75
C1QA/C1QB Subunit-Specific Inhibition to Block Aberrant PV I
Score: 0.75
Complement-SASP Amplification Cascade as Mechanistic Link
Score: 0.74
Excessive C1q/C3/CR3 complement cascade activation initiates
Score: 0.72
Complement C1q Mimetic Decoy Therapy
Score: 0.69
Microglia and complement sustain post-Aβ neurodegeneration a
Score: 0.69
Complement C1q/C3 Inhibition to Prevent Synaptodendritis in
Score: 0.69
Complement C1QA Spatial Gradient in Cortical Layers
Score: 0.68
Microglial TREM2 state determines whether C1q-tagged substra
Score: 0.67
C1q-TREM2 Competition for Phosphatidylserine as Pruning Chec
Score: 0.67
Complement C1q Subtype Switching
Score: 0.66
TNF-α/IL-1β-Cx43 Hemichannel Axis as Upstream Link Between S
Score: 0.66
Complement C1QA Inhibition Synergizes with PV Interneuron Mo
Score: 0.66
Astrocyte-Microglia Communication Rebalancing via Cytokine M
Score: 0.66
SUMO1-Mediated Synaptotagmin-1 SUMOylation at Lys124 Impairs
Score: 0.65
C1Q-Triggered NLRP3 Inflammasome Assembly in Plaque Macropha
Score: 0.63
C1q has spatially distinct functions, with synapse-bound C1q
Score: 0.63
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Knowledge Graph (12 edges)

C1Q interacts_with C3
C3 interacts_with C1Q
C1Q associated_with neurodegeneration
MMP9 co_discussed C1Q
SLC7A11 co_discussed C1Q
AQP4 co_discussed C1Q
CD38 co_discussed C1Q
C1Q co_discussed NAMPT
C1Q co_discussed GPX4
C1Q co_discussed PLA2G6

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