Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

MAPK9

mitogen-activated protein kinase 9

translation score 0.53, read 2026-10-23; 1 sealed predictions, 0 held; 2 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.03 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: bentamapimod, tanzisertib, cc-4010.90
trials
ClinicalTrials.gov
no Parkinson's trials on record: an open field1.00
literature
PubMed
5 Parkinson's papers of 2040.76
pathways
Reactome
5 pathways; mostly iron and oxidative stress0.80

No case: the score is under the bar. Receipt 7127

Sealed predictions

  1. MAPK9 in dopamine neurons, braak+0.47 (p 0.204) → -0.19 (p 0.630)receipt 7134

Swarm cases

receipt 7134: MAPK9 in dopamine neurons, braak

power
full sample +0.29 (p 0.239, n 18), 95% CI -0.20 to +0.67. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.29 (p 0.246, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: +0.28 (p 0.258, n 18). could be the mix.
skeptic
leave-one-out range +0.20 to +0.41, sign flips 0; without severely affected donors +0.29 (p 0.239, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for MAPK9 in dopamine neurons.

case closed: nothing better to follow up.

Receipts

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