ID: h-5d753df0
Hypothesis

Kinase Inhibitor-C1q Structural Convergence for Bifunctional Drug Design

Kinase Inhibitor-C1q Structural Convergence for Bifunctional Drug Design starts from the claim that modulating C1QA/C1QB/C1QC, ALK, SYK within the disease context of neuroinflammation can redirect a disease-relevant process.
🧬 C1QA/C1QB/C1QC, ALK, SYK🩺 neuroinflammation🎯 Composite 46%💱 $0.54▲21.5%proposed
EvidencePending (0%)📖 7 cit🗣 1 debates 4 support 3 oppose
✓ All Quality Gates Passed
Mechanistic 0.25 (15%) Evidence 0.30 (15%) Novelty 0.85 (12%) Feasibility 0.30 (12%) Impact 0.55 (12%) Druggability 0.25 (10%) Safety 0.70 (8%) Competition 0.40 (6%) Data Avail. 0.35 (5%) Reproducible 0.45 (5%) KG Connect 0.73 (8%) 0.458 composite

🧪 Overview

Mechanistic Overview


Kinase Inhibitor-C1q Structural Convergence for Bifunctional Drug Design starts from the claim that modulating C1QA/C1QB/C1QC, ALK, SYK within the disease context of neuroinflammation can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Kinase Inhibitor-C1q Structural Convergence for Bifunctional Drug Design starts from the claim that modulating C1QA/C1QB/C1QC, ALK, SYK within the disease context of neuroinflammation can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Kinase Inhibitor-C1q Structural Convergence for Bifunctional Drug Design starts from the claim that Structural Convergence Between Kinase Inhibitor Pharmacophores and Complement C1q Recognition Surfaces Reveals a Druggable Nexus for Neuroinflammatory Disease. Alectinib binds both ALK and C1q suggesting structural convergence between kinase hinge-binding regions and C1q complement recognition surfaces. Framed more explicitly, the hypothesis centers C1QA/C1QB/C1QC, ALK, SYK within the broader disease setting of neuroinflammation.

...

🧬 Mechanism

🧬 Curated Mechanism Pathway

Curated pathway from expert analysis

flowchart TD
    A["Kinase Inhibitor<br/>Scaffold"]
    B["C1QA/C1QB/C1QC<br/>Binding Interface"]
    C["ALK / SYK<br/>Kinase Domain"]
    D["Bifunctional<br/>Drug Design"]
    E["Complement + Kinase<br/>Dual Inhibition"]
    F["Neuroinflammatory<br/>Resolution"]
    A --> B
    A --> C
    B --> D
    C --> D
    D --> E
    E --> F
    style A fill:#1b5e20,stroke:#a5d6a7,color:#a5d6a7
    style F fill:#1b5e20,stroke:#a5d6a7,color:#a5d6a7

⚖️ Evidence

⚖️ Evidence Matrix4 supports3 contradicts
Supports
ALK extracellular domain contains glycine-rich binding pocket with aromatic residue interactions
Supports
C1q globular head has compact hydrophobic interface for versatile ligand recognition
Supports
Alectinib binds C1q with high affinity despite kinase-selective design
Supports
ALK and C1q both regulate neural development and immune functions
Contradicts
ALK is a receptor tyrosine kinase with intracellular kinase domain while C1q is extracellular - different cellular compartments, no evolutionary relationship
Contradicts
Alectinib's ALK binding involves specific hydrogen bonds with hinge region residues (M1192, L1196) entirely incompatible with C1q surface
Contradicts
No comparative structural analysis provided supporting pharmacophoric convergence claim
📖 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/C1QB/C1QC, ALK, SYK 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

🏆 Arenas / Elo

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📊 Market Indicators

7d Trend
Stable
7d Momentum
▼ 0.3%
Volatility
Medium
0.0489
Events (7d)
2
Price History
▲21.5%

💾 Resource Usage

LLM Tokens
33,738
$0.1012
Total Cost
$0.1012

🔮 Predictions

🔎 Predictions vs Observations2 predictions · 0 with recorded observations
PredictionPredictedObservedStatusConf
IF SYK inhibitor fostamatinib is compared to C1QA/C1QB/C1QC siRNA knockdown in human iPSC-derived microglia over 72 hours THEN both conditions will reduce complement-mediated synaptic pruning by ≥50% ≥50% reduction in C1q-mediated complement deposition on synaptic markers (PSD95, synaptophysin) measured by confocal microscopy and Western blot, with comparabl— no observation —pending0.30
IF alectinib is administered to C1QA/C1QB/C1QC-deficient mouse microglia at 50 mg/kg/day for 14 days THEN IL-6 and TNF-α secretion will be reduced by ≥40% compared to vehicle controls, demonstrating t≥40% reduction in IL-6 and TNF-α release from activated microglia in C1q-deficient vs. wild-type mice, with preserved efficacy in knockout mice indicating ALK-i— no observation —pending0.25
🔮 Falsifiable Predictions (2)
pendingconf 30%
IF SYK inhibitor fostamatinib is compared to C1QA/C1QB/C1QC siRNA knockdown in human iPSC-derived microglia over 72 hours THEN both conditions will reduce complement-mediated synaptic pruning by ≥50% vs. scrambled controls, confirming convergent targeting of SYK-C1q axis for neuroinflammatory diseas
Predicted outcome: ≥50% reduction in C1q-mediated complement deposition on synaptic markers (PSD95, synaptophysin) measured by confocal microscopy and Western blot, with
Falsification: Fostamatinib fails to reduce complement deposition (change <20%) while C1q siRNA is effective, indicating SYK does not functionally interact with the C1q structural nexus; alternatively, C1q knockdown
pendingconf 25%
IF alectinib is administered to C1QA/C1QB/C1QC-deficient mouse microglia at 50 mg/kg/day for 14 days THEN IL-6 and TNF-α secretion will be reduced by ≥40% compared to vehicle controls, demonstrating that anti-inflammatory effects are mediated through C1q structural convergence rather than solely thr
Predicted outcome: ≥40% reduction in IL-6 and TNF-α release from activated microglia in C1q-deficient vs. wild-type mice, with preserved efficacy in knockout mice indica
Falsification: Alectinib shows equivalent anti-inflammatory potency in both C1q-deficient and wild-type microglia, indicating the primary mechanism is ALK kinase inhibition and not C1q structural convergence; any re

📖 References (4)

  1. Structural basis for ligand reception by anaplastic lymphoma kinase.
    Nature (2022)
  2. The crystal structure of the globular head of complement protein C1q provides a basis for its versatile recognition properties.
    The Journal of biological chemistry (2004)
  3. Complement C1q-Targeted Microglial Membrane Camouflaged Nanolipid Carriers for Synaptic Protection in Alzheimer's Disease: A Bioinspired Alectinib Delivery Strategy.
    Ding YN et al.. Nano letters (2026)
  4. Mechanism for the activation of the anaplastic lymphoma kinase receptor.
    Nature (2022)
Metadatasource: v1_phase_c_backfill · origin_type: gap_debate
sourcev1_phase_c_backfill
origin_typegap_debate
_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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