Cell type-specific P2rx7 deletion in microglia vs astrocytes

Validation Score: 0.850 Price: $0.50 Alzheimer's disease/tauopathy PS19 mice with cell type-specific P2rx7 deletion Status: proposed

What This Experiment Tests

Validation experiment designed to validate causal mechanisms targeting P2rx7 in PS19 mice with cell type-specific P2rx7 deletion. Primary outcome: Tau propagation from entorhinal cortex to CA1 hippocampus

Description

This experiment used cell type-specific deletion approaches to determine which cell types mediate P2rx7's effects on tau propagation. Researchers created mice with P2rx7 specifically deleted in either microglia or astrocytes and examined tau propagation from the entorhinal cortex to CA1 region of the hippocampus in PS19 tauopathy mice. This experiment was designed to identify the cellular mechanisms by which P2rx7 contributes to early AD pathology, specifically the spread of tau pathology between brain regions. The study likely used Cre-lox technology to achieve cell type-specific gene deletion.

TARGET GENE
P2rx7
MODEL SYSTEM
PS19 mice with cell type-specific P2rx7 deletion
ESTIMATED COST
$0
TIMELINE
0 months
PATHWAY
Cell type-specific P2RX7 signaling in microglia and astrocytes
SOURCE
extracted_from_pmid_40678243
PRIMARY OUTCOME
Tau propagation from entorhinal cortex to CA1 hippocampus

Scoring Dimensions

Info Gain 0.00 (25%) Feasibility 0.00 (20%) Hyp Coverage 0.00 (20%) Cost Effect. 0.00 (15%) Novelty 0.00 (10%) Ethical Safety 0.00 (10%) 0.850 composite

📖 Wiki Pages

P2RX7 ProteinproteinP2RX7 GenegeneHippocampusbrainCell TypesindexAstrocytescellMicrogliacellAlzheimer's DiseasediseaseAstrocytesentityMicrogliaentityMechanismsindexTauopathymechanismTau PathologymechanismBrain RegionsindexResearchersindexEntorhinal Cortexbrain

Protocol

Cell type-specific P2rx7 deletion using Cre-lox system, followed by tau pathology assessment in specific brain regions

Expected Outcomes

Microglial P2rx7 deletion would suppress tau propagation more than astrocytic deletion

Success Criteria

Significant reduction in tau propagation with microglial but not astrocytic P2rx7 deletion

Related Hypotheses (1)

P2RX7-Mediated Exosome Secretion Blockade0.807

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