Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

PECAM1

platelet and endothelial cell adhesion molecule 1

translation score 0.46, read 2026-10-17; 1 sealed predictions, 0 held; 2 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.30 from other evidence0.00
cell type
Human Protein Atlas
expressed broadly, no clear home in brain cells0.40
chemistry
Open Targets
reachable by antibody0.45
trials
ClinicalTrials.gov
1 Parkinson's trial, 0 stopped1.00
literature
PubMed
3 Parkinson's papers of 2,5760.82
pathways
Reactome
7 pathways; mostly growth signalling0.60

No case: the score is under the bar. Receipt 1249

Sealed predictions

  1. PECAM1 in dopamine neurons, braak-0.74 (p 0.022) → -0.15 (p 0.697)receipt 1255

Swarm cases

receipt 1255: PECAM1 in dopamine neurons, braak

power
full sample -0.22 (p 0.379, n 18), 95% CI -0.62 to +0.27. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.24 (p 0.337, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.19 (p 0.439, n 18). could be the mix.
skeptic
leave-one-out range -0.31 to -0.12, sign flips 0; without severely affected donors -0.22 (p 0.379, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for PECAM1 in dopamine neurons.

case closed: nothing better to follow up.

Receipts

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