Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

TPCN1

two pore segment channel 1

translation score 0.45, read 2026-10-30; 2 sealed predictions, 0 held; 3 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.00 from other evidence0.00
cell type
Human Protein Atlas
cell type enhanced, including astrocytes; strongest in proximal tubule cells0.75
chemistry
Open Targets
reachable by antibody0.45
trials
ClinicalTrials.gov
no Parkinson's trials on record: an open field1.00
literature
PubMed
6 Parkinson's papers of 530.74
pathways
Reactome
1 pathway; mostly other0.30

No case: the score is under the bar. Receipt 15306

Sealed predictions

  1. TPCN1 in astrocytes, braak+0.50 (p 0.166) → -0.16 (p 0.680)receipt 15313
  2. TPCN1 in dopamine neurons, braak-0.62 (p 0.074) → -0.07 (p 0.852)receipt 15314

Swarm cases

receipt 15314: TPCN1 in dopamine neurons, braak

power
full sample -0.31 (p 0.218, n 18), 95% CI -0.68 to +0.19. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.35 (p 0.156, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.54 (p 0.019, n 18). not the mix.
skeptic
leave-one-out range -0.45 to -0.23, sign flips 0; without severely affected donors -0.31 (p 0.218, n 18). fragile.
cell type
strongest in oligodendrocytes: -0.76 (p 2.7e-4, n 18) vs -0.31 in dopamine neurons. proposing oligodendrocytes.
axis
no measure beats "tracks Braak Lewy-body stage" for TPCN1 in dopamine neurons.

follow-up registered; not confirmed in substantia nigra, an independent cohort.
follow-up TPCN1 · oligodendrocytes · braak: substantia nigra, an independent cohort (already registered)

receipt 15313: TPCN1 in astrocytes, braak

power
full sample +0.15 (p 0.549, n 18), 95% CI -0.34 to +0.58. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.21 (p 0.393, n 18). does not hold up.
composition
astrocytes share of nuclei vs axis -0.21 (p 0.413); controlling for it: +0.36 (p 0.140, n 18). could be the mix.
skeptic
leave-one-out range +0.03 to +0.25, sign flips 0; without severely affected donors +0.15 (p 0.549, n 18). fragile.
cell type
strongest in oligodendrocytes: -0.76 (p 2.7e-4, n 18) vs +0.15 in astrocytes. proposing oligodendrocytes.
axis
no measure beats "tracks Braak Lewy-body stage" for TPCN1 in astrocytes.

follow-up registered; not confirmed in substantia nigra, an independent cohort.
follow-up TPCN1 · oligodendrocytes · braak: substantia nigra, an independent cohort (Parkinson's or LBD vs controls) -0.25 p 0.374 (needs p < 1.5e-4)

Receipts

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