Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

PIKFYVE

phosphoinositide kinase, FYVE-type zinc finger containing

translation score 0.54, read 2026-10-16; 1 sealed predictions, 0 held; 2 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.50 from other evidence0.00
cell type
Human Protein Atlas
expressed broadly, no clear home in brain cells0.40
chemistry
Open Targets
compounds already reach it: apilimod, apilimod mesylate0.90
trials
ClinicalTrials.gov
no Parkinson's trials on record: an open field1.00
literature
PubMed
10 Parkinson's papers of 4340.69
pathways
Reactome
3 pathways; mostly vesicle traffic1.00

No case: the score is under the bar. Receipt 0234

Sealed predictions

  1. PIKFYVE in dopamine neurons, braak+0.12 (p 0.753) → +0.21 (p 0.586)receipt 0240

Swarm cases

receipt 0240: PIKFYVE in dopamine neurons, braak

power
full sample +0.19 (p 0.460, n 18), 95% CI -0.31 to +0.60. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.14 (p 0.591, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: +0.18 (p 0.482, n 18). could be the mix.
skeptic
leave-one-out range +0.09 to +0.33, sign flips 0; without severely affected donors +0.19 (p 0.460, n 18). fragile.
cell type
strongest in oligodendrocytes: +0.77 (p 1.8e-4, n 18) vs +0.19 in dopamine neurons. proposing oligodendrocytes.
axis
no measure beats "tracks Braak Lewy-body stage" for PIKFYVE in dopamine neurons.

follow-up registered; not confirmed in substantia nigra, an independent cohort.
follow-up PIKFYVE · oligodendrocytes · braak: substantia nigra, an independent cohort (Parkinson's or LBD vs controls) +0.68 p 0.016 (needs p < 0.0019)

Receipts

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