Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Gene record

NDUFS8

NADH:ubiquinone oxidoreductase core subunit S8

translation score 0.59, read 2026-10-27; 3 sealed predictions, 0 held; 2 receipts.

Six readers

readerfoundscore
genetics
Open Targets
no genetic evidence; overall 0.54 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: metformin hydrochloride, me-344, metformin1.00
trials
ClinicalTrials.gov
4 Parkinson's trials, 0 stopped1.00
literature
PubMed
1 Parkinson's papers of 1130.91
pathways
Reactome
2 pathways; mostly mitochondrial quality control1.00
proposal for NDUFS8, translation score 0.59

Knock down and overexpress NDUFS8 in a dopamine neuron, astrocyte and microglia tri-culture; measure PINK1–parkin mitophagy flux (mt-Keima) and phospho-ubiquitin (pS65-Ub) and dopamine neuron survival after α-synuclein fibril challenge.

Cell type
a dopamine neuron, astrocyte and microglia tri-culture
Direction
Both arms: public data does not say which way helps; existing compounds already reach the inhibition arm.
Molecular readout
PINK1–parkin mitophagy flux (mt-Keima) and phospho-ubiquitin (pS65-Ub)
Functional readout
dopamine neuron survival after α-synuclein fibril challenge
Rule-out
If neither arm moves PINK1–parkin mitophagy flux (mt-Keima) by 20% or more against non-targeting and empty-vector controls, across three independent differentiations, the hypothesis is wrong.
Lab request
CRISPRi knockdown and lentiviral overexpression of NDUFS8 in a tri-culture of iPSC dopamine neurons, astrocytes and microglia; n = 3 differentiations; readouts: PINK1–parkin mitophagy flux (mt-Keima) and phospho-ubiquitin (pS65-Ub); dopamine neuron survival after α-synuclein fibril challenge. Controls: non-targeting guide, empty vector. About 8 to 10 weeks, most of it differentiation.

Earlier readings: 2026-10-26 0.59; 2026-10-25 0.59; 2026-10-24 0.59; 2026-10-23 0.59.

Sealed predictions

  1. NDUFS8 in dopamine neurons, braak-0.03 (p 0.947) → -0.34 (p 0.369)receipt 0602
  2. NDUFS8 in dopamine neurons, resiliencen/a → n/afailed
  3. NDUFS8 in dopamine neurons, braakn/a → n/afailed

Swarm cases

receipt 0602: NDUFS8 in dopamine neurons, braak

power
full sample -0.13 (p 0.621, n 18), 95% CI -0.56 to +0.36. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.16 (p 0.515, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.18 (p 0.465, n 18). could be the mix.
skeptic
leave-one-out range -0.25 to -0.02, sign flips 0; without severely affected donors -0.13 (p 0.621, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for NDUFS8 in dopamine neurons.

case closed: nothing better to follow up.

Receipts

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