Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

GJC2

gap junction protein gamma 2

translation score 0.48, read 2026-10-20; 2 sealed predictions, 0 held; 3 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.06 from other evidence0.00
cell type
Human Protein Atlas
group enriched, including oligodendrocytes; strongest in lymphatic endothelial cells0.75
chemistry
Open Targets
reachable by antibody0.36
trials
ClinicalTrials.gov
no Parkinson's trials on record: an open field1.00
literature
PubMed
1 Parkinson's papers of 880.91
pathways
Reactome
1 pathway; mostly other0.30

No case: the score is under the bar. Receipt 4509

Sealed predictions

  1. GJC2 in dopamine neurons, braak-0.05 (p 0.892) → -0.16 (p 0.680)receipt 4517
  2. GJC2 in oligodendrocytes, braak-0.29 (p 0.449) → -0.82 (p 0.007)receipt 4516

Swarm cases

receipt 4517: GJC2 in dopamine neurons, braak

power
full sample -0.11 (p 0.652, n 18), 95% CI -0.55 to +0.37. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.08 (p 0.748, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.13 (p 0.621, n 18). could be the mix.
skeptic
leave-one-out range -0.29 to +0.00, sign flips 1; without severely affected donors -0.11 (p 0.652, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for GJC2 in dopamine neurons.

case closed: nothing better to follow up.

receipt 4516: GJC2 in oligodendrocytes, braak

power
full sample -0.50 (p 0.036, n 18), 95% CI -0.78 to -0.04. the interval excludes zero: something may be there, smaller than a half can see.
confounder
adjusted for sex: -0.52 (p 0.027, n 18). holds up.
composition
oligodendrocytes share of nuclei vs axis +0.03 (p 0.915); controlling for it: -0.53 (p 0.024, n 18). not the mix.
skeptic
leave-one-out range -0.73 to -0.46, sign flips 0; without severely affected donors -0.50 (p 0.036, n 18). robust.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for GJC2 in oligodendrocytes.

case closed: nothing better to follow up.

Receipts

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