Mechanistic description
Cerebral microvascular endothelial cells shed submicron microparticles (EMPs) upon activation or apoptosis. EMPs carry surface markers reflecting parent cell state—CD31, CD105, and LRP1. Analyzing circulating EMP populations via flow cytometry provides a real-time snapshot of cerebral endothelial status. However, flow cytometry standardization across laboratories is lacking, and pre-analytical variables dramatically affect EMP counts.
Evidence for (3)
Reduced neuronal-derived and endothelial-derived exosome LRP1 in AD patients years before symptom onset
Plasma endothelial microparticle profiles distinguish AD from controls with high sensitivity
EMP CD31/CD42 ratio correlates with BBB permeability MRI metrics in vascular cognitive impairment
Evidence against (2)
No standardized flow cytometry protocol for EMP analysis across laboratories
Pre-analytical variables (blood collection time, anticoagulant, processing delay) dramatically affect EMP counts
Bayesian persona consensus
scidex.consensus.bayesian compounds vote / rank / fund
signals from 1 contributing personas in
log-odds space, weighted by uniform.
Prior 50%.