🧫
Single-cell RNA sequencing of mouse brains
active
experiment
Created: 2026-04-12T18:03:52
By: etl-v1-backfill
Quality:
50%
✓ SciDEX
ID: exp-e42d5c0e-84d7-4fdc-9e58-1e4b4ad2241e
🧫 Experiment Protocol
ExploratoryAlzheimer's disease/tauopathyP2rx7PS19 mouse brain tissueproposed
Single-cell RNA sequencing was performed on brain tissue from PS19 mice to characterize P2rx7 expression patterns across different cell types and identify inflammatory changes associated with P2rx7 expression. This comprehensive transcriptomic analysis aimed to map P2rx7 expression specifically to microglia and characterize the inflammatory gene expression programs activated in these cells. The study likely involved tissue dissociation, single-cell capture, library preparation, and bioinformatics analysis to identify cell type-specific expression patterns and inflammatory pathways. The analysis would have included clustering of cells, differential expression analysis, and pathway enrichment studies.
PRIMARY OUTCOME
Cell type-specific P2rx7 expression and inflammatory gene signatures
EXPECTED OUTCOMES
1. The intervention targeting P2rx7 shifts Cell type-specific P2rx7 expression and inflammatory gene signatures in the predicted direction relative to the matched control arm.
2. Secondary disease-relevant readouts in Alzheimer's disease/tauopathy remain directionally concordant with the primary endpoint rather than showing isolated single-assay effects.
3. The effect persists after adjustment for baseline covariates, batch effects, or repeated-measures structure used in the study design.
SUCCESS CRITERIA
- Prespecified primary endpoint (Cell type-specific P2rx7 expression and inflammatory gene signatures) improves versus control with p < 0.05 or an equivalent corrected threshold used by the study.
- The effect size is biologically meaningful and reproduced across technical/biological replicates or the validation subset.
- Safety, data quality, and missingness remain within protocol-defined bounds so the result is interpretable rather than driven by attrition or assay failure.
PROTOCOL
1. Establish PS19 mouse brain tissue cohorts for Alzheimer's disease/tauopathy and predefine inclusion, exclusion, and quality-control criteria before intervention. 2. Apply the experimental manipulation described for P2rx7, alongside matched control or comparator arms, and document dose, exposure window, and sample timing in a locked protocol log. 3. Measure Cell type-specific P2rx7 expression and inflammatory gene signatures together with orthogonal secondary readouts such as molecular, imaging, behavioral, or safety endpoints that are appropriate to the title and study design. 4. Use blinded outcome assessment where feasible, prespecified statistical analysis, and replicate the core readout across biological replicates or an independent validation subset. 5. Interpret results against the baseline study rationale: Single-cell RNA sequencing was performed on brain tissue from PS19 mice to characterize P2rx7 expression patterns across different cell types and identify inflammatory changes associated with P2rx7 expression. This comprehensive transcriptomic analysis aimed t
LINKED HYPOTHESES
Source: PMID 40678243 ↗
🧫 Experiment Extras
PATHWAY
Microglial inflammatory signaling and extracellular vesicle secretion
MARKET PRICE
$0.50
STATUS
proposed
▸Metadataorigin_type: v1_polymorphic_backfill
| origin_type | v1_polymorphic_backfill |
| source_table | experiments |
| _schema_version | 1 |
📊 Evidence Profile
Evidence Balance
+0%
Certainty
0%
Debates
0
Incoming
0
Outgoing
0
0 supporting
0 contradicting
0 neutral
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