Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

SIGLEC1

sialic acid binding Ig like lectin 1

translation score 0.45, read 2026-10-21; 1 sealed predictions, 0 held; 2 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.05 from other evidence0.00
cell type
Human Protein Atlas
group enriched outside the brain (kupffer cells)0.10
chemistry
Open Targets
reachable by antibody0.45
trials
ClinicalTrials.gov
no Parkinson's trials on record: an open field1.00
literature
PubMed
3 Parkinson's papers of 3460.82
pathways
Reactome
1 pathway; mostly immune signalling0.90

No case: the score is under the bar. Receipt 4886

Sealed predictions

  1. SIGLEC1 in dopamine neurons, braak+0.10 (p 0.802) → -0.44 (p 0.232)receipt 4894

Swarm cases

receipt 4894: SIGLEC1 in dopamine neurons, braak

power
full sample -0.25 (p 0.315, n 18), 95% CI -0.64 to +0.24. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.25 (p 0.323, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.39 (p 0.105, n 18). could be the mix.
skeptic
leave-one-out range -0.38 to -0.16, sign flips 0; without severely affected donors -0.25 (p 0.315, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for SIGLEC1 in dopamine neurons.

case closed: nothing better to follow up.

Receipts

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