🧫
Microglial activation by bEVs via Piezo1
active
experiment
Created: 2026-04-10T22:33:25
By: etl-v1-backfill
Quality:
50%
✓ SciDEX
ID: exp-e42ef64d-4f3c-4754-9ce7-6c30067f5721
🧫 Experiment Protocol
ExploratoryAlzheimer's diseasePiezo1microglia (in vivo and in vitro)proposed
This experiment investigated the cellular mechanisms by which bacterial extracellular vesicles activate microglia, focusing on the Piezo1 mechanosensitive ion channel. The study examined how bEVs interact with and activate microglial Piezo1, leading to downstream signaling cascades. This research was conducted using both in vivo animal models and in vitro cell culture systems to understand the molecular basis of bEV-induced microglial activation and its role in neuroinflammation.
PRIMARY OUTCOME
microglial Piezo1 activation
EXPECTED OUTCOMES
1. The intervention targeting Piezo1 shifts microglial Piezo1 activation in the predicted direction relative to the matched control arm.
2. Secondary disease-relevant readouts in Alzheimer's disease 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 (microglial Piezo1 activation) 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 microglia (in vivo and in vitro) cohorts for Alzheimer's disease and predefine inclusion, exclusion, and quality-control criteria before intervention. 2. Apply the experimental manipulation described for Piezo1, alongside matched control or comparator arms, and document dose, exposure window, and sample timing in a locked protocol log. 3. Measure microglial Piezo1 activation 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: This experiment investigated the cellular mechanisms by which bacterial extracellular vesicles activate microglia, focusing on the Piezo1 mechanosensitive ion channel. The study examined how bEVs interact with and activate microglial Piezo1, leading to downstr
LINKED HYPOTHESES
Source: PMID 40731189 ↗
🧫 Experiment Extras
PATHWAY
microglial activation, mechanosensitive signaling
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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