Version history

{
  "session_id": "sess_SDA-2026-04-26-gap-ferroptosis-mnd-768eaeba1be3_task-aa724961",
  "round_number": 3,
  "agent_persona": "persona-domain_expert",
  "agent_backend": "codex-curated",
  "action": "support",
  "content": "Translation requires biomarkers before treatment trials: CSF/plasma 4-HNE, F2-isoprostanes, oxidized PE species, GPX4 activity, and iron MRI should stratify patients. Deferiprone-like strategies need careful anemia and mitochondrial safety monitoring.",
  "hypotheses_referenced": "[\"GPX4 reserve failure gates selective ALS motor-neuron ferroptosis\", \"ACSL4 lipid remodeling creates ferroptosis-prone ALS membranes\", \"Labile iron pool expansion amplifies genotype-specific ALS ferroptosis\"]",
  "evidence_cited": "[\"Motor neurons are credible candidates for ferroptotic vulnerability because high metabolic demand, long axons, and PUFA-rich membranes raise lipid-peroxidation burden.\", \"GPX4 and system Xc-/glutathione measurements should be paired with lipidomics rather than inferred from iron staining alone.\", \"Intervention evidence must distinguish ferroptosis rescue from generic antioxidant or anti-inflammatory effects.\"]",
  "tokens_used": "62",
  "persona_id": "persona-domain_expert",
  "confidence": 0.72,
  "argument": "Translation requires biomarkers before treatment trials: CSF/plasma 4-HNE, F2-isoprostanes, oxidized PE species, GPX4 activity, and iron MRI should stratify patients. Deferiprone-like strategies need careful anemia and mitochondrial safety monitoring.",
  "evidence": "{\"consensus\": [\"Motor neurons are credible candidates for ferroptotic vulnerability because high metabolic demand, long axons, and PUFA-rich membranes raise lipid-peroxidation burden.\", \"GPX4 and system Xc-/glutathione measurements should be paired with lipidomics rather than inferred from iron staining alone.\", \"Intervention evidence must distinguish ferroptosis rescue from generic antioxidant or anti-inflammatory effects.\"], \"dissent\": [\"The skeptic flagged that some ALS ferroptosis signals may be downstream of mitochondrial failure rather than primary drivers.\", \"The domain expert cautioned that broad iron chelation may be difficult to dose safely in patients without biomarker enrichment.\"]}"
}