Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

PICALM

phosphatidylinositol binding clathrin assembly protein

translation score 0.51, read 2026-10-20; 2 sealed predictions, 0 held; 3 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.07 from other evidence0.00
cell type
Human Protein Atlas
cell type enhanced, including microglia; strongest in neutrophils0.75
chemistry
Open Targets
reachable by antibody0.45
trials
ClinicalTrials.gov
no Parkinson's trials on record: an open field1.00
literature
PubMed
24 Parkinson's papers of 4440.58
pathways
Reactome
4 pathways; mostly vesicle traffic1.00

No case: the score is under the bar. Receipt 3965

Sealed predictions

  1. PICALM in microglia, braak-0.04 (p 0.927) → -0.21 (p 0.583)receipt 3971
  2. PICALM in dopamine neurons, braak+0.12 (p 0.767) → -0.27 (p 0.489)receipt 3972

Swarm cases

receipt 3972: PICALM in dopamine neurons, braak

power
full sample -0.03 (p 0.915, n 18), 95% CI -0.49 to +0.45. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.03 (p 0.908, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: +0.21 (p 0.403, n 18). could be the mix.
skeptic
leave-one-out range -0.16 to +0.08, sign flips 5; without severely affected donors -0.03 (p 0.915, n 18). fragile.
cell type
strongest in OPCs: +0.62 (p 0.0057, n 18) vs -0.03 in dopamine neurons. proposing OPCs.
axis
no measure beats "tracks Braak Lewy-body stage" for PICALM in dopamine neurons.

follow-up registered; not confirmed in substantia nigra, an independent cohort.
follow-up PICALM · OPCs · braak: substantia nigra, an independent cohort (already registered)

receipt 3971: PICALM in microglia, braak

power
full sample -0.11 (p 0.658, n 18), 95% CI -0.55 to +0.37. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.13 (p 0.603, n 18). does not hold up.
composition
microglia share of nuclei vs axis -0.11 (p 0.652); controlling for it: +0.05 (p 0.834, n 18). could be the mix.
skeptic
leave-one-out range -0.25 to -0.00, sign flips 0; without severely affected donors -0.11 (p 0.658, n 18). fragile.
cell type
strongest in OPCs: +0.62 (p 0.0057, n 18) vs -0.11 in microglia. proposing OPCs.
axis
no measure beats "tracks Braak Lewy-body stage" for PICALM in microglia.

follow-up registered; not confirmed in substantia nigra, an independent cohort.
follow-up PICALM · OPCs · braak: substantia nigra, an independent cohort (Parkinson's or LBD vs controls) +0.63 p 0.026 (needs p < 5.0e-4)

Receipts

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