Hypothesis Comparison

graph TD
    A["Hypoxic Stress and Inflammation"]
    B["HIF-1alpha Activation"]
    C["PDK1 Upregulation"]
    D["PFKFB3 Induction"]
    E["LDHA Overexpression"]
    F["Pyruvate Dehydrogenase Inhibition"]
    G["Enhanced Glycolysis"]
    H["Lactate Accumulation"]
    I["OPC Metabolic Dysfunction"]
    J["Impaired OPC Differentiation"]
    K["Reduced Myelination"]
    L["Axonal Degeneration"]
    M["Cell-Specific PDK1 Inhibitors"]
    N["PFKFB3 Antagonists"]
    O["Metabolic Reprogramming Therapy"]
    P["Enhanced Myelin Repair"]

    A -->|"oxidative stress"| B
    B -->|"transcriptional activation"| C
    B -->|"glycolytic upregulation"| D
    B -->|"lactate production"| E
    C -->|"kinase activity"| F
    D -->|"rate-limiting enzyme"| G
    E -->|"metabolic flux"| H
    F -->|"mitochondrial dysfunction"| I
    G -->|"aerobic glycolysis"| I
    H -->|"pH imbalance"| I
    I -->|"energy deficit"| J
    J -->|"maturation block"| K
    K -->|"myelin loss"| L
    M -->|"targeted inhibition"| O
    N -->|"glycolytic modulation"| O
    O -->|"metabolic restoration"| P

    classDef mechanism fill:#4fc3f7
    classDef pathology fill:#ef5350
    classDef therapy fill:#81c784
    classDef outcome fill:#ffd54f

    class A,B,C,D,E,F,G,H mechanism
    class I,J,K,L pathology
    class M,N,O therapy
    class P outcome

graph TD
    A["Intestinal Dysbiosis
Pathogenic bacterial
overgrowth"] --> B["Increased Intestinal
Permeability
Leaky gut syndrome"]
    B --> C["LPS Translocation
Bacterial endotoxin
enters circulation"]
    C --> D["TLR4 Activation
Pattern recognition
on immune cells"]
    D --> E["NF-kappaB Signaling
Transcriptional
activation pathway"]
    E --> F["NLRP3 Priming
Upregulation of
inflammasome components"]
    E --> G["Pro-IL1B Expression
Inactive cytokine
precursor synthesis"]
    E --> H["Pro-CASP1 Expression
Inactive caspase-1
precursor synthesis"]
    C --> I["Microglial TLR4
Brain-resident immune
cell activation"]
    I --> J["CNS NLRP3 Priming
Neuroinflammatory
sensitization"]
    K["Neuronal DAMPs
Amyloid-beta aggregates
ATP release"] --> L["NLRP3-PYCARD
Oligomerization
Signal 2 activation"]
    F --> L
    J --> L
    L --> M["Active CASP1
Caspase-1 cleavage
and activation"]
    H --> M
    M --> N["Mature IL1B
Pro-inflammatory
cytokine secretion"]
    G --> N
    N --> O["Sustained Neuroinflammation
Chronic microglial
activation state"]
    O --> P["Blood-Brain Barrier
Dysfunction
Vascular permeability"]
    O --> Q["Oxidative Stress
ROS production
cellular damage"]
    P --> R["Progressive
Neurodegeneration
Cognitive decline"]
    Q --> R
    
    S["Microbiome Remodeling
Therapeutic intervention
probiotic treatment"] --> T["Restored Gut Barrier
Reduced intestinal
permeability"]
    T --> U["Reduced LPS
Translocation
Decreased endotoxemia"]
    U --> V["Prevented NLRP3
Priming
Neuroprotective effect"]
    
    classDef normal fill:#4fc3f7,stroke:#2196f3
    classDef therapeutic fill:#81c784,stroke:#4caf50
    classDef pathology fill:#ef5350,stroke:#f44336
    classDef outcome fill:#ffd54f,stroke:#ff9800
    classDef molecular fill:#ce93d8,stroke:#9c27b0
    
    class A,B,C pathology
    class D,E,F,G,H,I,J,K,L,M,N molecular
    class O,P,Q normal
    class R outcome
    class S,T,U,V therapeutic