🧪
hypothesis

Glucose-Ketone Metabolic Switch Timing

Hypothesis

Glucose-Ketone Metabolic Switch Timing

Glucose-Ketone Metabolic Switch Timing starts from the claim that modulating GLUT1/GLUT3/MCT1/MCT2 within the disease context of metabolic neuroscience can redirect a disease-relevant process.
🧬 GLUT1/GLUT3/MCT1/MCT2🩺 metabolic-neuroscience🎯 Composite 53%💱 $0.53▲3.8%proposed
metabolic neuroscience
EvidencePending (0%)📖 4 cit🗣 1 debates 3 support 2 oppose
✓ All Quality Gates Passed
Mechanistic 0.40 (15%) Evidence 0.30 (15%) Novelty 0.70 (12%) Feasibility 0.20 (12%) Impact 0.40 (12%) Druggability 0.30 (10%) Safety 0.30 (8%) Competition 0.30 (6%) Data Avail. 0.40 (5%) Reproducible 0.30 (5%) KG Connect 0.12 (8%) 0.531 composite
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Composite53%

🧪 Overview

Mechanistic Overview


Glucose-Ketone Metabolic Switch Timing starts from the claim that modulating GLUT1/GLUT3/MCT1/MCT2 within the disease context of metabolic neuroscience can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Glucose-Ketone Metabolic Switch Timing starts from the claim that modulating GLUT1/GLUT3/MCT1/MCT2 within the disease context of metabolic neuroscience can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Glucose-Ketone Metabolic Switch Timing starts from the claim that Ketogenic intervention should be initiated during periods of metabolic stress when glucose utilization is already compromised (hypoxia, inflammation, metabolic dysfunction), as ketones provide alternative energy without competing with functional glucose pathways. Pre-emptive ketosis in healthy tissue may paradoxically reduce glucose availability. Framed more explicitly, the hypothesis centers GLUT1/GLUT3/MCT1/MCT2 within the broader disease setting of metabolic neuroscience. The row currently records status `proposed`, origin `gap_debate`, and mechanism category `unspecified`.

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🧬 Mechanism

🧬 Curated Mechanism Pathway

Curated pathway from expert analysis

flowchart TD
    A["Astrocyte Glycolysis<br/>Lactate Production"]
    B["MCT1/SLC16A1<br/>Astrocyte Lactate Export"]
    C["Extracellular Lactate<br/>Perisynaptic Space"]
    D["MCT2 on Neurons<br/>Lactate Import"]
    E["Neuronal OXPHOS<br/>ATP Generation"]
    F["PV Interneuron<br/>High Energy Demand Met"]
    G["Gamma Oscillations<br/>Maintained"]
    H["MCT1 Reduced in AD<br/>Lactate Shuttle Impaired"]
    A --> B
    B --> C
    C --> D
    D --> E
    E --> F
    F --> G
    H -.->|"impairs"| B
    style A fill:#1a237e,stroke:#4fc3f7,color:#4fc3f7
    style G fill:#1b5e20,stroke:#81c784,color:#81c784
    style H fill:#b71c1c,stroke:#ef9a9a,color:#ef9a9a

⚖️ Evidence

⚖️ Evidence Matrix3 supports2 contradicts
Supports
Ketone bodies enhance mitochondrial function and mitigate oxidative stress through metabolic and signaling functions
PMID:38203294
Supports
Exogenous β-hydroxybutyrate provides neuroprotection in hypoxic-ischemic models
PMID:29466799
Supports
The collective therapeutic potential depends on matching intervention to metabolic state
PMID:24721741
Contradicts
Studies of ketone supplementation in healthy individuals show no adverse metabolic effects, contradicting the hypothesis that ketones interfere with functional glucose pathways
PMID:29850235
Contradicts
Efficacy and Safety of Ketone Supplementation or Ketogenic Diets for Alzheimer's Disease: A Mini Review.
Front Nutr2021PMID:35111799
📖 Linked Papers (1)Export BibTeX ↗
Efficacy and Safety of Ketone Supplementation or Ketogenic Diets for Alzheimer's Disease: A Mini Review.
Front Nutr (2021) · PubMed:35111799 ↗
No figures

🏥 Translation

🧬 3D Protein Structure — GLUT1

No curated PDB or AlphaFold mapping for GLUT1 yet. Search RCSB →

💉 Clinical Trials

No clinical trials data linked to this hypothesis yet.

No curated ClinVar variants loaded for this hypothesis.

Run scripts/backfill_clinvar_variants.py to fetch P/LP/VUS variants.

🔍 Search ClinVar for GLUT1 →

No DepMap CRISPR Chronos data found for GLUT1.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

💰 Estimated Development
Cost
$0
Timeline

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📊 Market Indicators

7d Trend
Falling
7d Momentum
▼ 1.0%
Volatility
Low
0.0130
Events (7d)
3
Price History
▲3.8%

💾 Resource Usage

LLM Tokens
20,326
$0.1220
Total Cost
$0.1220

🔮 Predictions

🔎 Predictions vs Observations2 predictions · 0 with recorded observations
PredictionPredictedObservedStatusConf
IF C57BL/6J mice are subjected to controlled cortical impact (CCI) traumatic brain injury and receive exogenous beta-hydroxybutyrate (BHB) ketone ester (2 g/kg/day via oral gavage) beginning exactly wCortical neuron density (NeuN+ cells/mm²) will be 30% higher in the timing-matched group; mitochondrial respiration (Seahorse XF) will show 25% higher spare res— no observation —pending0.35
IF aged APP/PS1 transgenic mice (12 months) receive ketone ester supplementation (1.5 g/kg/day) for 8 weeks during normoglycemic baseline conditions (blood glucose 6-8 mM), THEN hippocampal [¹⁸F]FDG-PHippocampal glucose uptake will drop ≥20% (PET SUVR); working memory errors on Y-maze will not improve; amyloid burden will remain unchanged— no observation —pending0.28
🔮 Falsifiable Predictions (2)
pendingconf 35%
IF C57BL/6J mice are subjected to controlled cortical impact (CCI) traumatic brain injury and receive exogenous beta-hydroxybutyrate (BHB) ketone ester (2 g/kg/day via oral gavage) beginning exactly when brain lactate/pyruvate ratio exceeds 25 (indicating compromised glucose utilization), THEN corti
Predicted outcome: Cortical neuron density (NeuN+ cells/mm²) will be 30% higher in the timing-matched group; mitochondrial respiration (Seahorse XF) will show 25% higher
Falsification: Neuronal survival and mitochondrial function are equivalent (≤10% difference) between timing-matched and pre-emptive ketone groups, indicating ketones provide benefit regardless of metabolic stress st
pendingconf 28%
IF aged APP/PS1 transgenic mice (12 months) receive ketone ester supplementation (1.5 g/kg/day) for 8 weeks during normoglycemic baseline conditions (blood glucose 6-8 mM), THEN hippocampal [¹⁸F]FDG-PET signal will decrease ≥20% without reducing amyloid plaque burden (PSTIR histology) or improving s
Predicted outcome: Hippocampal glucose uptake will drop ≥20% (PET SUVR); working memory errors on Y-maze will not improve; amyloid burden will remain unchanged
Falsification: Pre-emptive ketone supplementation in healthy brain tissue produces either (a) cognitive improvement or (b) no reduction in glucose uptake, disproving the claim that healthy tissue requires glucose an

📖 References (5)

  1. Molecular Mechanisms of Neuroprotection by Ketone Bodies and Ketogenic Diet in Cerebral Ischemia and Neurodegenerative Diseases.
    International journal of molecular sciences (2024)
    PubMed↗DOI↗
  2. Exogenous &#x3b2;-Hydroxybutyrate Treatment and Neuroprotection in a Suckling Rat Model of Hypoxic-Ischemic Encephalopathy.
    Developmental neuroscience (2018)
    PubMed↗DOI↗
  3. The collective therapeutic potential of cerebral ketone metabolism in traumatic brain injury.
    Journal of lipid research (2015)
    PubMed↗DOI↗
  4. Effect of a Sodium and Calcium DL-<i>&#x3b2;</i>-Hydroxybutyrate Salt in Healthy Adults.
    ["Tobias Fischer" et al.. Journal of nutrition and metabolism (2022)
    PubMed↗DOI↗
  5. Efficacy and Safety of Ketone Supplementation or Ketogenic Diets for Alzheimer's Disease: A Mini Review.
    ["Lilamand M" et al.. Front Nutr (2021)
    PubMed↗DOI↗
View on SciDEX ↗