Hypothesis Comparison

graph TD
    A["Senescent Microglia
p16+ p21+ SA-beta-gal+
Growth arrested state"] --> B["SASP Secretion
IL-1alpha IL-6 IL-8
MMP-9 Complement factors"]
    A --> C["Loss of Homeostatic
Functions
Impaired phagocytosis
Defective surveillance"]
    
    D["Maresin 1 (MaR1)
Specialized Pro-resolving
Mediator"] --> E["LGR6 Receptor
Activation
G-protein coupled"]
    
    E --> F["cAMP-CREB Signaling
Pathway Activation
Transcriptional reprogramming"]
    
    F --> G["Anti-inflammatory
Gene Expression
IL-10 Arginase-1 FIZZ1"]
    
    H["BCL2L1-Targeting
Senolytic Agent
ABT-263/Navitoclax"] --> I["BCL2L1 Inhibition
Anti-apoptotic protein
blockade"]
    
    I --> J["Mitochondrial
Cytochrome C Release
Apoptosis initiation"]
    
    A --> K["BCL2L1 Overexpression
Senescence survival
mechanism"]
    
    K --> I
    
    J --> L["Caspase 3/7 Activation
Apoptotic execution
pathway"]
    
    L --> M["Selective Senescent
Microglia Elimination
Apoptotic clearance"]
    
    G --> N["Enhanced Phagocytosis
Debris clearance
Amyloid-beta uptake"]
    
    B --> O["Neuroinflammatory
Microenvironment
Synaptic damage"]
    
    P["Combination Therapy
MaR1 + ABT-263
Dual mechanism"] --> D
    P --> H
    
    M --> Q["Microglial Population
Renewal
Healthy replacement cells"]
    
    N --> R["Neuroprotective
Outcome
Restored brain homeostasis"]
    Q --> R
    
    S["Reduced SASP
Inflammatory resolution
Tissue repair"] --> R
    
    G --> S
    O -->|"blocks"| R

    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,O pathology
    class D,H,P therapeutic
    class E,F,G,I,J,K,L,M,N,Q,S molecular
    class R 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