Description
The glial ketone shunt hypothesis raised questions about astrocytic metabolic reprogramming affecting neuronal fuel supply, but the temporal dynamics and cell-type specificity remain unexplored. This gap limits understanding of when metabolic interventions might be most effective.
Source: Debate session sess_SDA-2026-04-02-gap-v2-5d0e3052 (Analysis: SDA-2026-04-02-gap-v2-5d0e3052)
Evidence summary
{“hypothesis_matches”: [{“id”: “h-4b517512”, “title”: “The Glial Ketone Metabolic Shunt Hypothesis”, “target_gene”: “HMGCS2”, “target_pathway”: “Astrocyte ketogenesis (HMGCS2) \u2192 neuronal ketone body utilization”, “match_score”: 0.5, “composite_score”: 0.3961610095053889, “status”: “proposed”}, {“id”: “h-seaad-v4-29e81bbc”, “title”: “Astrocyte MCT1/MCT4 Ratio Disruption with Metabolic Uncoupling”, “target_gene”: “SLC16A1”, “target_pathway”: “astrocyte-neuron lactate shuttle”, “match_score”: 0.34, “composite_score”: 0.578667028322815, “status”: “debated”}, {“id”: “h-57862f8a”, “title”: “Grid Cell-Specific Metabolic Reprogramming via IDH2 Enhancement”, “target_gene”: “IDH2”, “target_pathway”: “TCA cycle / metabolic reprogramming”, “match_score”: 0.34, “composite_score”: 0.3601763875498021, “status”: “proposed”}, {“id”: “h-9d22b570”, “title”: “Programmable Neuronal Circuit Repair via Epigenetic CRISPR”, “target_gene”: “NURR1, PITX3, neuronal identity transcription factors”, “target_pathway”: “CRISPRa epigenetic activation of dopaminergic transcription factor network”, “match_score”: 0.27, “composite_score”: 0.4470493886505538, “status”: “proposed”}, {“id”: “h-41bc2d38”, “title”: “Adenosine-Astrocyte Metabolic Reset”, “target_gene”: “ADORA2A”, “target_pathway”: “Astrocyte reactivity signaling”, “match_score”: 0.24, “composite_score”: 0.5381381967495263, “status”: “proposed”}, {“id”: “h-8fe389e8”, “title”: “Astrocyte-Mediated Neuronal Epigenetic Rescue”, “target_gene”: “HDAC”, “target_pathway”: “Astrocyte reactivity signaling”, “match_score”: 0.24, “composite_score”: 0.4716126361864582, “status”: “proposed”}, {“id”: “h-var-adfecef68a”, “title”: “Astrocyte-Intrinsic NLRP3 Inflammasome Activation by Alpha-Synuclein Aggregates Drives Non-Cell-Autonomous Neurodegeneration”, “target_gene”: “NLRP3, CASP1, IL1B, PYCARD”, “target_pathway”: “Astrocyte NLRP3 inflammasome activation by alpha-synuclein aggregate-driven lysosomal disruption”, “match_score”: 0.24, “composite_score”: null, “status”: “proposed”}, {“id”: “h_seaad_002”, “title”: “Heterogeneous astrocyte activation states differentially impact neuronal survival across AD progression”, “target_gene”: “GFAP”, “target_pathway”: null, “match_score”: 0.2, “composite_score”: 0.5039618782544739, “status”: “proposed”}, {“id”: “h-e23f05fb”, “title”: “Multi-Modal CRISPR Platform for Simultaneous Editing and Monitoring”, “target_gene”: “Disease-causing mutations with integrated reporters”, “target_pathway”: “Multiplexed CRISPR editing with integrated fluorescent reporters”, “match_score”: 0.2, “composite_score”: 0.4470493886505538, “status”: “proposed”}, {“id”: “h-d8f2bbc9”, “title”: “Astrocyte Metabolic Reprogramming via APOE4 Correction”, “target_gene”: “APOE”, “target_pathway”: null, “match_score”: 0.2, “composite_score”: 0.4381368151905417, “status”: “proposed”}], “total_matching_hypotheses”: 10, “gap_tokens_sample”: [“SDA-2026-04-02”, “SDA-2026-04-02-gap-v2-5d0e3052”, “about”, “affecting”, “astrocyte”, “astrocyte-neuron”, “astrocytic”, “change”, “debate”, “disease”, “dynamics”, “effective”, “gap-v2-5d0e3052”, “glial”, “hypothesis”], “updated_at”: “2026-04-06T08:21:05.906937+00:00”}