Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

LPAR4

lysophosphatidic acid receptor 4

translation score 0.51, 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 leydig cells0.75
chemistry
Open Targets
a small-molecule pocket0.60
trials
ClinicalTrials.gov
no Parkinson's trials on record: an open field1.00
literature
PubMed
1 Parkinson's papers of 510.91
pathways
Reactome
2 pathways; mostly other0.30

No case: the score is under the bar. Receipt 15523

Sealed predictions

  1. LPAR4 in dopamine neurons, braak-0.26 (p 0.493) → +0.69 (p 0.042)receipt 15531
  2. LPAR4 in astrocytes, braak-0.24 (p 0.529) → +0.23 (p 0.549)receipt 15530

Swarm cases

receipt 15531: LPAR4 in dopamine neurons, braak

power
full sample +0.19 (p 0.439, n 18), 95% CI -0.30 to +0.61. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.43 (p 0.079, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: +0.34 (p 0.167, n 18). could be the mix.
skeptic
leave-one-out range +0.08 to +0.37, sign flips 0; without severely affected donors +0.19 (p 0.439, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for LPAR4 in dopamine neurons.

case closed: nothing better to follow up.

receipt 15530: LPAR4 in astrocytes, braak

power
full sample +0.14 (p 0.591, n 18), 95% CI -0.35 to +0.57. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: +0.14 (p 0.573, n 18). does not hold up.
composition
astrocytes share of nuclei vs axis -0.21 (p 0.413); controlling for it: +0.23 (p 0.351, n 18). could be the mix.
skeptic
leave-one-out range +0.03 to +0.26, sign flips 0; without severely affected donors +0.14 (p 0.591, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for LPAR4 in astrocytes.

case closed: nothing better to follow up.

Receipts

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