In advanced neurodegeneration, p-tau217 may no longer reflect ongoing pathology due to loss of viable neurons capable of producing tau. Patients with severe atrophy may show spurious p-tau217 normalization due to floor effects, making it unreliable as a stopping rule. However, no threshold defines 'severe' neurodegeneration for this purpose, and the relationship between structural atrophy and neuronal p-tau217 production capacity is not established. The hypothesis identifies an important confound but lacks operational criteria.
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Curated Mechanism Pathway
Curated pathway diagram from expert analysis
flowchart TD
A["MAPT/Tau Protein Microtubule Stabilizer"]
B["CDK5/GSK3B Activation Kinase Dysregulation"]
C["Tau Hyperphosphorylation Ser396/Thr231/Ser202"]
D["Tau Detachment Microtubule Destabilized"]
E["Tau Oligomers Paired Helical Filaments"]
F["Neurofibrillary Tangles Intraneuronal Inclusions"]
G["Axonal Transport Failure Synaptic Dysfunction"]
H["Neurodegeneration Tauopathy Spread"]
A --> B
B --> C
C --> D
D --> E
E --> F
D --> G
G --> H
F --> H
style A fill:#1a237e,stroke:#4fc3f7,color:#4fc3f7
style C fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a
style H fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a
Dimension Scores
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4 citations4 with PMIDValidation: 0%2 supporting / 2 opposing
✓For(2)
No supporting evidence
No opposing evidence
(2)Against✗
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HighMediumLow
Evidence Matrix — sortable by strength/year, click Abstract to expand
Evidence Types
2
2
MECH 2CLIN 2GENE 0EPID 0
Claim
Stance
Category
Source
Strength ↕
Year ↕
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PMIDs
Abstract
Neurofilament light trajectories diverge based on …
Multi-persona evaluation:
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