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 (+5 more)
KG Connections701 knowledge graph edges
DatabasesGeneCardsHPASTRING

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🌐 Cross-references

NCBI GeneUniProtGeneCardsWikipediaHGNCEnsembl

Related Hypotheses (77)

SASP-Mediated Complement Cascade Amplification
Score: 0.70
Complement C1q Mimetic Decoy Therapy
Score: 0.69
Complement C1QA Spatial Gradient in Cortical Layers
Score: 0.68
Complement C1q Subtype Switching
Score: 0.66
...
Score: 0.68
Complement-Mediated Synaptic Pruning Dysregulation
Score: 0.61
ACSL4-Driven Ferroptotic Priming in Disease-Associated Micro
Score: 0.87
Adenosine-Astrocyte Metabolic Reset
Score: 0.73
Hippocampal CA3-CA1 circuit rescue via neurogenesis and syna
Score: 0.82
Selective APOE4 Degradation via Proteolysis Targeting Chimer
Score: 0.79
Selective TLR4 Modulation to Prevent Gut-Derived Neuroinflam
Score: 0.79
Competitive APOE4 Domain Stabilization Peptides
Score: 0.78
Selective HDAC3 Inhibition with Cognitive Enhancement
Score: 0.78
APOE4 Allosteric Rescue via Small Molecule Chaperones
Score: 0.76
Cell-Type Specific TREM2 Upregulation in DAM Microglia
Score: 0.76
Targeted APOE4-to-APOE3 Base Editing Therapy
Score: 0.76
Transcriptional Autophagy-Lysosome Coupling
Score: 0.76
GFAP-Positive Reactive Astrocyte Subtype Delineation
Score: 0.75
APOE Isoform Expression Across Glial Subtypes
Score: 0.74
APOE-TREM2 Interaction Modulation
Score: 0.74
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Related Analyses (18)

How does SPI1 transcriptionally regulate C1QA and C1QC expre
neuroinflammation · completed
Which cell types show the most significant expression change
neurodegeneration · completed
Senolytic therapy for age-related neurodegeneration
neurodegeneration · archived
Blood-brain barrier transport mechanisms for antibody therap
neurodegeneration · archived
APOE4 structural biology and therapeutic targeting strategie
neurodegeneration · archived

Related Experiments (25)

Sevoflurane-induced neurotoxicity (SIN) rat model
validation · proposed · Score: 0.95
LPS-induced mouse model of depression with synaptic loss ana
validation · proposed · Score: 0.90
C1q neutralization experiment
validation · proposed · Score: 0.90
Sevoflurane-induced neurotoxicity (SIN) model in rats
validation · proposed · Score: 0.90
bEV-mediated synaptic pruning via C1q-C3 pathway
exploratory · proposed · Score: 0.85

See Also (15)

Aging vs Neurodegeneration: Mechanistic Comparison Matr
mechanism · KG edge: activates
ADCY5 Gene
gene · KG edge: associated_with
ADORA2A Gene
gene · KG edge: activates
Packard Center for ALS Research
institution · KG edge: activates
Accelerating Medicines Partnership for Alzheimer's Dise
institution · KG edge: implicated_in

Knowledge Graph (12 edges)

C1Q associated_with neurodegeneration
C1Q interacts_with C3
C3 interacts_with C1Q
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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