Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

CA2

carbonic anhydrase 2

translation score 0.28, read 2026-10-19; 1 sealed predictions, 0 held; 2 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.10 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: ethoxzolamide, dichlorphenamide, topiramate +81.00
trials
ClinicalTrials.gov
5 Parkinson's trials, 3 stopped0.52
literature
PubMed
1,409 Parkinson's papers of 242,190: well-trodden0.05
pathways
Reactome
4 pathways; mostly other0.30

No case: the score is under the bar. Receipt 2717

Sealed predictions

  1. CA2 in dopamine neurons, braak-0.05 (p 0.889) → +0.05 (p 0.907)receipt 2725

Swarm cases

receipt 2725: CA2 in dopamine neurons, braak

power
full sample +0.19 (p 0.455, n 18), 95% CI -0.31 to +0.60. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.23 (p 0.369, 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 0.265, n 18). could be the mix.
skeptic
leave-one-out range +0.08 to +0.30, sign flips 0; without severely affected donors +0.19 (p 0.455, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for CA2 in dopamine neurons.

case closed: nothing better to follow up.

Receipts

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