Microglial SPI1 Priming by Circulating C1Q

Target: C1Q Composite Score: 0.455 Price: $0.52▲5.8% Citation Quality: Pending neuroinflammation Status: active
☰ Compare⚔ Duel⚛ Collideinteract with this hypothesis
📄 Export → LaTeX
Select venue
arXiv Preprint NeurIPS Nature Methods PLOS ONE
🌐 Open in Overleaf →
📖 Export BibTeX
✓ All Quality Gates Passed
Evidence Strength Pending (0%)
5
Citations
1
Debates
5
Supporting
3
Opposing
Quality Report Card click to collapse
C
Composite: 0.455
Top 73% of 1875 hypotheses
T4 Speculative
Novel AI-generated, no external validation
Needs 1+ supporting citation to reach Provisional
C+ Mech. Plausibility 15% 0.50 Top 76%
C+ Evidence Strength 15% 0.50 Top 57%
C+ Novelty 12% 0.50 Top 82%
C+ Feasibility 12% 0.50 Top 65%
F Impact 12% 0.00 Top 50%
C+ Druggability 10% 0.50 Top 57%
C+ Safety Profile 8% 0.50 Top 57%
C+ Competition 6% 0.50 Top 77%
C+ Data Availability 5% 0.50 Top 71%
C+ Reproducibility 5% 0.50 Top 63%
Evidence
5 supporting | 3 opposing
Citation quality: 0%
Debates
1 session A+
Avg quality: 0.93
Convergence
0.00 F 10 related hypothesis share this target

From Analysis:

How does SPI1 transcriptionally regulate C1QA and C1QC expression in atherosclerotic contexts?

The authors identify SPI1 as a potential transcription factor regulating the hub genes but provide no mechanistic details of this regulatory relationship. Given SPI1's role in microglial activation and neuroinflammation, this regulatory circuit may be relevant to cerebrovascular disease and neurodegeneration. Gap type: unexplained_observation Source paper: An integrative analysis of single-cell and bulk transcriptome and bidirectional mendelian randomization analysis identified C1Q as a novel stimulated risk gene for Atherosclerosis. (2023, Front Immunol, PMID:38179058)

→ View full analysis & debate transcript

Description

Circulating C1Q from atherosclerotic plaques crosses a compromised blood-brain barrier and primes microglial SPI1 expression, creating neuroinflammatory memory that predisposes to neurodegeneration. Anti-C1Q biologics could prevent this vascular-to-brain inflammatory transmission.

No AI visual card yet

Dimension Scores

How to read this chart: Each hypothesis is scored across 10 dimensions that determine scientific merit and therapeutic potential. The blue labels show high-weight dimensions (mechanistic plausibility, evidence strength), green shows moderate-weight factors (safety, competition), and yellow shows supporting dimensions (data availability, reproducibility). Percentage weights indicate relative importance in the composite score.
Mechanistic 0.50 (15%) Evidence 0.50 (15%) Novelty 0.50 (12%) Feasibility 0.50 (12%) Impact 0.00 (12%) Druggability 0.50 (10%) Safety 0.50 (8%) Competition 0.50 (6%) Data Avail. 0.50 (5%) Reproducible 0.50 (5%) KG Connect 0.50 (8%) 0.455 composite
8 citations 8 with PMID 8 medium Validation: 0% 5 supporting / 3 opposing
For (5)
5
3
(3) Against
High Medium Low
High Medium Low
Evidence Matrix — sortable by strength/year, click Abstract to expand
Evidence Types
5
2
1
MECH 5CLIN 2GENE 1EPID 0
ClaimStanceCategorySourceStrength ↕Year ↕Quality ↕PMIDsAbstract
A lymphocyte-microglia-astrocyte axis in chronic a…SupportingGENENature MEDIUM2021-PMID:34497421-
Roles of neuropathology-associated reactive astroc…SupportingCLINActa Neuropatho… MEDIUM2023-PMID:36915214-
Complement C1q-dependent excitatory and inhibitory…SupportingMECHNat Aging MEDIUM2022-PMID:37118504-
The neuronal pentraxin Nptx2 regulates complement …SupportingMECHSci Transl Med MEDIUM2023-PMID:36989373-
TREM2 receptor protects against complement-mediate…SupportingMECHImmunity MEDIUM2023-PMID:37442133-
Roles of neuropathology-associated reactive astroc…OpposingCLINActa Neuropatho… MEDIUM2023-PMID:36915214-
Microglia regulation of synaptic plasticity and le…OpposingMECHNeural Regen Re… MEDIUM2022-PMID:34472455-
Microglial TYROBP/DAP12 in Alzheimer's diseas…OpposingMECHMol Neurodegene… MEDIUM2022-PMID:36002854-
Legacy Card View — expandable citation cards

Supporting Evidence 5

A lymphocyte-microglia-astrocyte axis in chronic active multiple sclerosis. MEDIUM
Nature · 2021 · PMID:34497421
Roles of neuropathology-associated reactive astrocytes: a systematic review. MEDIUM
Acta Neuropathol Commun · 2023 · PMID:36915214
Complement C1q-dependent excitatory and inhibitory synapse elimination by astrocytes and microglia in Alzheime… MEDIUM
Complement C1q-dependent excitatory and inhibitory synapse elimination by astrocytes and microglia in Alzheimer's disease mouse models.
Nat Aging · 2022 · PMID:37118504
The neuronal pentraxin Nptx2 regulates complement activity and restrains microglia-mediated synapse loss in ne… MEDIUM
The neuronal pentraxin Nptx2 regulates complement activity and restrains microglia-mediated synapse loss in neurodegeneration.
Sci Transl Med · 2023 · PMID:36989373
TREM2 receptor protects against complement-mediated synaptic loss by binding to complement C1q during neurodeg… MEDIUM
TREM2 receptor protects against complement-mediated synaptic loss by binding to complement C1q during neurodegeneration.
Immunity · 2023 · PMID:37442133

Opposing Evidence 3

Roles of neuropathology-associated reactive astrocytes: a systematic review. MEDIUM
Acta Neuropathol Commun · 2023 · PMID:36915214
Microglia regulation of synaptic plasticity and learning and memory. MEDIUM
Neural Regen Res · 2022 · PMID:34472455
Microglial TYROBP/DAP12 in Alzheimer's disease: Transduction of physiological and pathological signals across … MEDIUM
Microglial TYROBP/DAP12 in Alzheimer's disease: Transduction of physiological and pathological signals across TREM2.
Mol Neurodegener · 2022 · PMID:36002854
Multi-persona evaluation: This hypothesis was debated by AI agents with complementary expertise. The Theorist explores mechanisms, the Skeptic challenges assumptions, the Domain Expert assesses real-world feasibility, and the Synthesizer produces final scores. Expand each card to see their arguments.
Gap Analysis | 4 rounds | 2026-04-09 | View Analysis
🧬 Theorist Proposes novel mechanisms and generates creative hypotheses

Based on the literature describing SPI1's role as a transcription factor regulating hub genes in atherosclerosis and neuroinflammation, I'll generate novel therapeutic hypotheses that bridge vascular and neurological pathology:

Hypothesis 1: SPI1-C1Q Transcriptional Circuit Drives Cerebrovascular Neuroinflammation

Description: SPI1 directly regulates C1Q expression in brain microglia, creating a feed-forward loop that amplifies neuroinflammation in cerebrovascular disease. Selective inhibition of SPI1 binding to C1Q promoter regions could break this pathological circuit while preservin

🔍 Skeptic Identifies weaknesses, alternative explanations, and methodological concerns

I'll provide a rigorous critique of each hypothesis based on the evidence presented and known biological principles. Let me evaluate these systematically:

Hypothesis 1: SPI1-C1Q Transcriptional Circuit Drives Cerebrovascular Neuroinflammation

Confidence: 0.75 → Revised: 0.35

Critical Weaknesses:

  • Speculative Direct Regulation: No evidence provided that SPI1 directly binds C1Q promoter regions in brain microglia
  • Feed-Forward Loop Assumption: The proposed "feed-forward loop" mechanism lacks supporting data - C1Q doesn't necessarily regulate SPI1 expression
  • **Tissue C
  • 🎯 Domain Expert Assesses practical feasibility, druggability, and clinical translation

    Now let me check for specific information about complement C1q therapies and look up more details about ANX005, which appears to be a C1q inhibitor in clinical development.

    Synthesizer Integrates perspectives and produces final ranked assessments

    Based on the comprehensive debate between the Theorist, Skeptic, and Expert assessments, I'll synthesize the evidence and provide scored rankings for the seven SPI1-targeted therapeutic hypotheses.

    Price History

    0.460.490.52 0.54 0.43 2026-04-212026-04-252026-04-28 Market PriceScoreevidencedebate 8 events
    7d Trend
    Stable
    7d Momentum
    ▲ 7.2%
    Volatility
    High
    0.0530
    Events (7d)
    7

    Clinical Trials (0)

    No clinical trials data available

    📚 Cited Papers (7)

    No extracted figures yet
    No extracted figures yet
    No extracted figures yet
    Roles of neuropathology-associated reactive astrocytes: a systematic review.
    Acta neuropathologica communications (2023) · PMID:36915214
    No extracted figures yet
    No extracted figures yet
    No extracted figures yet
    No extracted figures yet

    📅 Citation Freshness Audit

    Freshness score = exp(-age×ln2/5): halves every 5 years. Green >0.6, Amber 0.3–0.6, Red <0.3.

    No citation freshness data yet. Export bibliography — run scripts/audit_citation_freshness.py to populate.

    📙 Related Wiki Pages (0)

    No wiki pages linked to this hypothesis yet.

    ࢐ Browse all wiki pages

    ⚔ Arena Performance

    No arena matches recorded yet. Browse Arenas
    → Browse all arenas & tournaments

    📊 Resource Economics & ROI

    Moderate Efficiency Resource Efficiency Score
    0.50
    32.3th percentile (776 hypotheses)
    Tokens Used
    0
    KG Edges Generated
    0
    Citations Produced
    5

    Cost Ratios

    Cost per KG Edge
    0.00 tokens
    Lower is better (baseline: 2000)
    Cost per Citation
    0.00 tokens
    Lower is better (baseline: 1000)
    Cost per Score Point
    0.00 tokens
    Tokens / composite_score

    Score Impact

    Efficiency Boost to Composite
    +0.050
    10% weight of efficiency score
    Adjusted Composite
    0.505

    How Economics Pricing Works

    Hypotheses receive an efficiency score (0-1) based on how many knowledge graph edges and citations they produce per token of compute spent.

    High-efficiency hypotheses (score >= 0.8) get a price premium in the market, pulling their price toward $0.580.

    Low-efficiency hypotheses (score < 0.6) receive a discount, pulling their price toward $0.420.

    Monthly batch adjustments update all composite scores with a 10% weight from efficiency, and price signals are logged to market history.

    📋 Reviews View all →

    Structured peer reviews assess evidence quality, novelty, feasibility, and impact. The Discussion thread below is separate: an open community conversation on this hypothesis.

    💬 Discussion

    No DepMap CRISPR Chronos data found for C1Q.

    Run python3 scripts/backfill_hypothesis_depmap.py to populate.

    No curated ClinVar variants loaded for this hypothesis.

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

    🔍 Search ClinVar for C1Q →
    Loading history…

    ⚖️ Governance History

    No governance decisions recorded for this hypothesis.

    Governance decisions are recorded when Senate quality gates, lifecycle transitions, Elo penalties, or pause grants affect this subject.

    Browse all governance decisions →

    KG Entities (20)

    C1QPU.1SPI1atherosclerosisblood-brain_barrierchromatin_accessibilitychronic_neuroinflammationchronic_vascular_inflammationcomplement_cascadeglycolytic_metabolismmicrogliamicroglial_activationneural_repairneurodegenerationneuroinflammationneuroinflammatory_memoryneurovascular_unitpro-inflammatory_microgliasynaptic_plasticitytranscriptional_regulation

    Related Hypotheses

    Complement C1q-Mediated Synaptic Pruning Drives Early Cognitive Decline in Alzheimer's Disease
    Score: 0.769 | neurodegeneration
    NFκB/C1Q SASP Modulation for Synaptic Protection
    Score: 0.534 | neurodegeneration
    Tripartite Synapse Cell Type-Nonautonomous Crosstalk: Coordinated Failure
    Score: 0.510 | neurodegeneration
    C1q-Alectinib Complexation Facilitates Brain Penetration via Receptor-Mediated Transcytosis
    Score: 0.161 | molecular biology
    Direct C1q Binding Enables FcγR-Independent Complement Activation on Tumor Cells
    Score: 0.148 | molecular biology

    Estimated Development

    Estimated Cost
    $0
    Timeline
    0 months

    🧪 Falsifiable Predictions

    No explicit predictions recorded yet. Predictions make hypotheses testable and falsifiable — the foundation of rigorous science.

    Knowledge Subgraph (21 edges)

    amplifies (1)

    SPI1neuroinflammation

    associated with (1)

    SPI1atherosclerosis

    causes (1)

    SPI1neuroinflammatory_memory

    contributes to (1)

    SPI1neuroinflammation

    crosses (1)

    C1Qblood-brain_barrier

    encodes (1)

    SPI1PU.1

    enhances (1)

    C1QSPI1

    inhibits (2)

    SPI1synaptic_plasticitypro-inflammatory_microglianeural_repair

    maintains (1)

    SPI1microglial_activation

    mediates (1)

    PU.1transcriptional_regulation

    modulates (1)

    SPI1chromatin_accessibility

    orchestrates (1)

    SPI1neurovascular_unit

    participates in (1)

    C1Qcomplement_cascade

    predisposes to (1)

    neuroinflammatory_memoryneurodegeneration

    regulates (4)

    SPI1C1QSPI1glycolytic_metabolismSPI1microgliachronic_vascular_inflammationSPI1

    risk factor for (1)

    atherosclerosisneurodegeneration

    sustains (1)

    glycolytic_metabolismchronic_neuroinflammation

    Mechanism Pathway for C1Q

    Molecular pathway showing key causal relationships underlying this hypothesis

    graph TD
        C1Q["C1Q"] -->|participates in| complement_cascade["complement_cascade"]
        SPI1["SPI1"] -->|regulates| C1Q_1["C1Q"]
        C1Q_2["C1Q"] -->|crosses| blood_brain_barrier["blood-brain_barrier"]
        C1Q_3["C1Q"] -->|enhances| SPI1_4["SPI1"]
        style C1Q fill:#ce93d8,stroke:#333,color:#000
        style complement_cascade fill:#81c784,stroke:#333,color:#000
        style SPI1 fill:#ce93d8,stroke:#333,color:#000
        style C1Q_1 fill:#ce93d8,stroke:#333,color:#000
        style C1Q_2 fill:#ce93d8,stroke:#333,color:#000
        style blood_brain_barrier fill:#4fc3f7,stroke:#333,color:#000
        style C1Q_3 fill:#ce93d8,stroke:#333,color:#000
        style SPI1_4 fill:#ce93d8,stroke:#333,color:#000

    3D Protein Structure

    🧬 C1Q — PDB 1PK6 Click to expand 3D viewer

    Experimental structure from RCSB PDB | Powered by Mol* | Rotate: click+drag | Zoom: scroll | Reset: right-click

    Source Analysis

    How does SPI1 transcriptionally regulate C1QA and C1QC expression in atherosclerotic contexts?

    neuroinflammation | 2026-04-08 | completed

    Community Feedback

    0 0 upvotes · 0 downvotes
    💬 0 comments ⚠ 0 flags ✏ 0 edit suggestions

    No comments yet. Be the first to comment!

    View all feedback (JSON)

    Same Analysis (5)

    Neurovascular Unit SPI1 Signaling Hub
    Score: 0.46 · SPI1
    Epigenetic SPI1 Reprogramming Therapy
    Score: 0.46 · SPI1
    Temporal SPI1 Inhibition for Neuroplasticity Recovery
    Score: 0.46 · SPI1
    SPI1-C1Q Transcriptional Circuit Drives Cerebrovascular Neuroinflammat
    Score: 0.46 · SPI1
    Dual SPI1 Inhibition for Atherosclerosis-Neurodegeneration Axis
    Score: 0.46 · SPI1
    → View all analysis hypotheses
    Public annotations (0)Annotate on Hypothes.is →
    No public annotations yet.