ID: h-92a91b35a0
Hypothesis

NETosis Amplification by C1Q in Plaque Neutrophils

NETosis Amplification by C1Q in Plaque Neutrophils starts from the claim that modulating C1QA/C1QC within the disease context of neuroinflammation can redirect a disease-relevant process.
🧬 C1QA/C1QC🩺 neuroinflammation🎯 Composite 50%💱 $0.51▲2.6%proposed
EvidencePending (0%)📖 0 cit🗣 1 debates 4 support 4 oppose
✓ All Quality Gates Passed
Mechanistic 0.45 (15%) Evidence 0.45 (15%) Novelty 0.55 (12%) Feasibility 0.52 (12%) Impact 0.50 (12%) Druggability 0.50 (10%) Safety 0.48 (8%) Competition 0.52 (6%) Data Avail. 0.50 (5%) Reproducible 0.48 (5%) KG Connect 0.50 (8%) 0.500 composite

🧪 Overview

Mechanistic Overview


NETosis Amplification by C1Q in Plaque Neutrophils starts from the claim that modulating C1QA/C1QC within the disease context of neuroinflammation can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview NETosis Amplification by C1Q in Plaque Neutrophils starts from the claim that modulating C1QA/C1QC within the disease context of neuroinflammation can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview NETosis Amplification by C1Q in Plaque Neutrophils starts from the claim that C1Q serves as a neutrophil chemoattractant and potentiates NETosis in response to cholesterol crystals. C1Q-opsonized NETs become nidus for C3b/iC3b deposition, recruiting additional immune cells and forming immune complexes that perpetuate plaque inflammation. This links neutrophil recruitment to complement amplification and plaque progression. Framed more explicitly, the hypothesis centers C1QA/C1QC within the broader disease setting of neuroinflammation. The row currently records status `proposed`, origin `debate_synthesizer`, and mechanism category `unspecified`.

...

🧬 Mechanism

🧬 Curated Mechanism Pathway

Curated pathway from expert analysis

graph TD
    A["C1QA and C1QC binding to plaque-associated neutrophils"] --> B["NETosis amplification at amyloid plaques"]
    B --> C["Excessive NET release and NETotic cell death"]
    C --> D["Sustained neuroinflammation and neutrophil extracellular trap deposition"]
    D --> E["Neuronal and synaptic loss amplification"]

⚖️ Evidence

⚖️ Evidence Matrix4 supports4 contradicts
Supports
C1Q promotes NETosis in neurological disease models
Supports
NETs accelerate atherosclerotic plaque progression
Supports
C1Q-coated structures enhance complement activation cascades
Supports
PAD4 inhibitors in preclinical development for NETosis-targeted therapy
Contradicts
Primary citation is neuroinflammation context - neutrophils in brain differ from plaque
Contradicts
C5aR-like receptor for C1Q on neutrophils hypothesized but not identified
Contradicts
Cholesterol crystals alone potently induce NETosis; C1Q contribution unclear
Contradicts
NETs predominantly in early-to-mid lesions; C1Q more associated with advanced plaques
📖 Linked Papers

No linked papers recorded for this hypothesis yet.

🏥 Translation

🧬 3D Protein Structure — C1QA

🧬 PDB 1PK6 Click to expand

Experimental structure from RCSB PDB | Powered by Mol*

🧠 GTEx v10 Brain ExpressionJSON

Median TPM across 13 brain regions for C1QA/C1QC from GTEx v10.

Spinal cord cervical c-174.7 Substantia nigra38.2median TPM (GTEx v10)

💉 Clinical Trials

No clinical trials data linked to this hypothesis yet.

No curated ClinVar variants loaded for this hypothesis.

Run scripts/backfill_clinvar_variants.py to fetch P/LP/VUS variants.

🔍 Search ClinVar for C1QA →

No DepMap CRISPR Chronos data found for C1QA.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

💰 Estimated Development
Cost
$0
Timeline

🏆 Tournament

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📊 Market Indicators

7d Trend
Stable
7d Momentum
▲ 0.0%
Volatility
Low
0.0091
Events (7d)
0
Price History
▲2.6%

💾 Resource Usage

LLM Tokens
28,692
$0.0861
Total Cost
$0.0861

🔮 Predictions

🔎 Predictions vs Observations2 predictions · 0 with recorded observations
PredictionPredictedObservedStatusConf
IF isolated human neutrophils from healthy donors are pretreated with C1Q (10 μg/mL) and then exposed to cholesterol crystals (200 μg/mL) ex vivo, THEN NETosis will increase by >2-fold compared to choIncreased NETosis (sytox green+ neutrophils by microscopy, cfDNA release by plate reader) and elevated complement deposition (C3b/iC3b immunofluorescence intens— no observation —pending0.58
IF C1QA/C1QC is genetically knocked down or pharmacologically inhibited in a mouse model of cholesterol crystal-induced neuroinflammation (e.g., unilateral intrathecal cholesterol crystal injection inSignificant reduction in NETosis markers (citH3+ cells, cfDNA concentration, NE-DNA complexes) in brain parenchyma and cerebrospinal fluid of C1QA/C1QC-inhibite— no observation —pending0.52
🔮 Falsifiable Predictions (2)
pendingconf 58%
IF isolated human neutrophils from healthy donors are pretreated with C1Q (10 μg/mL) and then exposed to cholesterol crystals (200 μg/mL) ex vivo, THEN NETosis will increase by >2-fold compared to cholesterol crystals alone, and C3b/iC3b deposition on C1Q-opsonized NETs will increase by >3-fold with
Predicted outcome: Increased NETosis (sytox green+ neutrophils by microscopy, cfDNA release by plate reader) and elevated complement deposition (C3b/iC3b immunofluoresce
Falsification: No significant increase in NETosis or complement deposition in C1Q-pretreated neutrophils versus cholesterol crystals alone (fold-change <1.5, p>0.05). Falsification also applies if NETosis increase i
pendingconf 52%
IF C1QA/C1QC is genetically knocked down or pharmacologically inhibited in a mouse model of cholesterol crystal-induced neuroinflammation (e.g., unilateral intrathecal cholesterol crystal injection in C57BL/6J mice), THEN NETosis biomarkers (citrullinated histone H3, cell-free DNA, neutrophil elasta
Predicted outcome: Significant reduction in NETosis markers (citH3+ cells, cfDNA concentration, NE-DNA complexes) in brain parenchyma and cerebrospinal fluid of C1QA/C1Q
Falsification: No statistically significant reduction (>2-fold change, p<0.05) in any NETosis marker despite confirmed C1QA/C1QC knockdown (>70% reduction in mRNA/protein) or target engagement by inhibitor. Alternat

📖 References (3)

  1. Measuring achievement emotions questionnaire for physical education (AEQ-PE): a confirmatory study in Malay language.
    ["Ibrahim et al.. BMC public health (2021)
  2. Effects of benzodiazepines administration on identification of facial expressions of emotion: a meta-analysis.
    ["Garcez et al.. Psychopharmacology (2020)
  3. SavvyCNV: Genome-wide CNV calling from off-target reads.
    ["Laver et al.. PLoS computational biology (2022)
Metadatasource: v1_phase_c_backfill · origin_type: debate_synthesizer
sourcev1_phase_c_backfill
origin_typedebate_synthesizer
_schema_version1
📊 Evidence Profile
Evidence Balance
+0%
Certainty
0%
Debates
0
Incoming
0
Outgoing
0
0 supporting 0 contradicting 0 neutral
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