"What gene expression changes in the aging mouse brain predict neurodegenerative vulnerability? Use Allen Aging Mouse Brain Atlas data. Cross-reference with human AD datasets. Produce hypotheses about aging-neurodegeneration mechanisms."
The synthesis reveals cGAS-STING pathway disruption as the most promising therapeutic hypothesis, scoring highest (0.72) due to strong mechanistic plausibility, existing druggable compounds, and robust evidence base, despite significant safety concerns regarding immune suppression. White matter protection via CXCL10 inhibition (0.68) and mitochondrial-cytokine axis modulation (0.61) represent the next most viable approaches, both leveraging established inflammatory pathways but requiring careful safety considerations and potentially CNS-specific delivery systems to avoid systemic immunosuppression.
The analysis exposes critical gaps in therapeutic feasibility for several hypotheses, particularly those targeting protein enhancement (AP1S1, PFN1) which lack druggable mechanisms and pose safety risks. The knowledge graph reveals interconnected aging processes where single pathway disruption may cascade across multiple cellular systems, suggesting combination therapeutic approaches targeting both senescence pathways (cGAS-STING) and white matter protection (CXCL10) could provide synergistic benefits while mitigating individual pathway limitations.
Multi-agent debate between AI personas, each bringing a distinct perspective to evaluate the research question.
Generates novel, bold hypotheses by connecting ideas across disciplines
Based on my research, I'll now generate novel therapeutic hypotheses focused on aging-related gene expression changes that predict neurodegenerative vulnerability. Here are 6 evidence-based therapeutic hypotheses:
Description: Age-related downregulation of AP1S
...Based on my research, I'll now generate novel therapeutic hypotheses focused on aging-related gene expression changes that predict neurodegenerative vulnerability. Here are 6 evidence-based therapeutic hypotheses:
Description: Age-related downregulation of AP1S1 (adaptor protein complex 1 sigma 1) disrupts clathrin-mediated vesicular transport, creating vulnerability to amyloid-β and oxidative stress. Therapeutic restoration of AP1S1 function through small molecule enhancers or gene therapy could restore endosomal-lysosomal trafficking and reduce neurodegeneration susceptibility.
Target gene/protein: AP1S1 (adaptor related protein complex 1 subunit sigma 1)
Supporting evidence: Age-related AP1S1 downregulation increases neuronal vulnerability to amyloid-β and oxidative stress across multiple mouse models, with validation showing consistent reduction in both aging and AD datasets (PMID:40954504). AP1S1 is essential for clathrin coat assembly and Golgi vesicle processing, critical for protein trafficking.
Confidence: 0.75
Description: Aging-specific white matter vulnerability involves microglial CXCL10 production driving CD8+ T cell recruitment and oligodendrocyte damage. Targeted inhibition of CXCL10 signaling or enhancement of oligodendrocyte resilience through myelin-protective compounds could prevent age-related white matter degeneration that predisposes to neurodegeneration.
Target gene/protein: CXCL10 (C-X-C motif chemokine ligand 10)
Supporting evidence: White matter emerges as particularly vulnerable in aging mouse brain atlas data (PMID:37591239), with microglia activating CXCL10-mediated CD8+ T cell recruitment promoting white matter degeneration (PMID:40404995). 27-hydroxycholesterol promotes oligodendrocyte maturation, suggesting cholesterol metabolism links to white matter integrity (PMID:36779429).
Confidence: 0.80
Description: Age-related activation of the cGAS-STING pathway drives microglial senescence and neuroinflammation, creating a feed-forward loop of neurodegeneration vulnerability. Selective cGAS-STING inhibitors could break this cycle by preventing DNA damage-induced innate immune activation while preserving beneficial microglial functions.
Target gene/protein: CGAS (cyclic GMP-AMP synthase) and STING1 (stimulator of interferon response cGAMP interactor 1)
Supporting evidence: cGAS-STING signaling links brain aging to neurodegeneration through molecular pathways involving senescence (PMID:41094684). Natural compounds like punicalin and resveratrol ameliorate cognitive dysfunction via cGAS-STING inhibition (PMID:39313488, PMID:41892314). Whole-body senescent cell clearance alleviates brain inflammation and cognitive impairment (PMID:33470505).
Confidence: 0.85
Description: Age-related decline in microglial profilin-1 disrupts cytoskeletal checkpoints that prevent senescence and synaptic decline. Therapeutic enhancement of PFN1 expression or function could maintain microglial homeostasis and prevent premature synaptic pruning that characterizes aging vulnerability.
Target gene/protein: PFN1 (profilin 1)
Supporting evidence: Profilin 1 controls microglial cytoskeleton checkpoints preventing senescence and premature synaptic decline (PMID:41214778). Loss of cytoskeletal integrity is linked to microglial dysfunction in aging and neurodegeneration.
Confidence: 0.70
Description: Age-related cytokine secretion specifically suppresses neuronal mitochondrial metabolism, creating vulnerability to energy stress. Targeted modulation of this cytokine-mitochondria axis through selective anti-inflammatory approaches or mitochondrial biogenesis enhancers could restore cellular energetics and reduce neurodegeneration risk.
Target gene/protein: Mitochondrial respiratory complexes and inflammatory cytokine receptors
Supporting evidence: Alzheimer's disease-specific cytokine secretion suppresses neuronal mitochondrial metabolism (PMID:37066287, PMID:37811007). Tau interactome maps reveal mitochondrial processes as key to neurodegeneration (PMID:35063084). Brain aging involves mitochondrial dysfunction as a central mechanism (PMID:28397282).
Confidence: 0.78
Description: Aging creates differential neuronal vulnerability patterns based on network connectivity and metabolic demands. Therapeutic approaches targeting the most vulnerable neuronal populations (such as cholinergic neurons) with network-specific neuroprotective strategies could prevent the cascade of neurodegeneration before clinical symptoms appear.
Target gene/protein: Cell-type specific vulnerability markers (e.g., cholinergic markers, high-energy neurons)
Supporting evidence: Selective neuronal vulnerability in Alzheimer's follows predictable network-based patterns (PMID:32603655). Cholinergic systems show selective vulnerability to amyloid pathology with aging (PMID:41495755). Locus coeruleus shows contrasting vulnerability patterns compared to substantia nigra (PMID:40135662).
Confidence: 0.72
Description: Brain-derived exosomes from aged mice accelerate cognitive decline through neuronal TNFRSF25 activation. Blocking this age-related exosome-receptor pathway could prevent the propagation of aging-related damage signals between brain cells and reduce vulnerability to subsequent neurodegenerative insults.
Target gene/protein: TNFRSF25 (TNF receptor superfamily member 25)
Supporting evidence: Brain-derived exosomes from aged mice specifically activate neuronal TNFRSF25 to accelerate cognitive decline in traumatic brain injury models (PMID:41109644), suggesting this pathway mediates age-related vulnerability transmission between cells.
Confidence: 0.68
These hypotheses integrate aging-specific gene expression changes with neurodegeneration mechanisms, focusing on novel therapeutic targets that address the fundamental aging processes that create vulnerability rather than treating end-stage disease pathology.
Challenges assumptions, identifies weaknesses, and provides counter-evidence
I'll provide a rigorous critique of each hypothesis, identifying weaknesses and counter-evidence:
Major Weaknesses:
I'll provide a rigorous critique of each hypothesis, identifying weaknesses and counter-evidence:
Major Weaknesses:
Major Weaknesses:
Alternative Explanations:
Major Weaknesses:
Alternative Explanations:
Major Weaknesses:
Major Weaknesses:
Alternative Explanations:
Major Weaknesses:
Major Weaknesses:
Major Systemic Weaknesses Across Hypotheses:
Recommendations for Strengthening:
Assesses druggability, clinical feasibility, and commercial viability
Based on my analysis of druggability, existing compounds, competitive landscape, and development considerations, here's my comprehensive assessment:
Based on my analysis of druggability, existing compounds, competitive landscape, and development considerations, here's my comprehensive assessment:
The cGAS-STING pathway offers the best risk-adjusted opportunity, with existing chemical matter and a clear path to clinical proof-of-concept, despite significant safety considerations requiring careful patient selection and monitoring strategies.
Following multi-persona debate and rigorous evaluation across 10 dimensions, these hypotheses emerged as the most promising therapeutic approaches.
**Background and Rationale** Triggering Receptor Expressed on Myeloid cells 2 (TREM2) represents one of the most significant genetic risk factors for late-onset Alzheimer's disease, with rare loss-of-function variants conferring up to threefold increased risk of dementia. This single-pass transmembrane receptor, exclusively expressed on microglia within the brain, has emerged as a critical regulator of microglial phenotype and function throughout the lifespan. Under physiological conditions, TR...
**Background and Rationale** TREM2 variants represent major genetic risk factors for Alzheimer's disease, with loss-of-function mutations increasing dementia risk threefold. While TREM2 is exclusively expressed on microglia, emerging evidence suggests its primary pathogenic role occurs through disrupted astrocyte-microglia communication rather than intrinsic microglial dysfunction. Healthy brain homeostasis depends on coordinated responses between these glial populations, where TREM2+ microglia ...
**Background and Rationale** Triggering Receptor Expressed on Myeloid cells 2 (TREM2) represents one of the most significant genetic risk factors for late-onset Alzheimer's disease, with rare loss-of-function variants conferring up to threefold increased risk of dementia. While TREM2 is exclusively expressed on microglia within the brain, emerging evidence suggests that its primary pathogenic mechanism operates through disrupted intercellular communication rather than autonomous microglial dysf...
This hypothesis proposes that TREM2-dependent microglial senescence is mechanistically driven by dysregulated acid sphingomyelinase (ASM) activity and ceramide accumulation in aging microglia. During normal aging, TREM2 signaling undergoes fundamental changes that disrupt sphingolipid homeostasis, leading to increased ASM activity in microglial lysosomes. This creates a pathological ceramide-rich environment that triggers the senescence-associated secretory phenotype (SASP) and transforms protec...
**Background and Rationale** While TREM2 is exclusively expressed on microglia, emerging evidence suggests that TREM2-dependent microglial dysfunction fundamentally disrupts astrocyte-microglia communication networks, creating a pathological feedback loop that accelerates neurodegeneration. Astrocytes and microglia maintain critical homeostatic crosstalk through secreted factors, extracellular vesicles, and direct contact-mediated signaling. This intercellular communication becomes dysregulated...
This hypothesis proposes that targeted epigenetic reactivation of SIRT1 can reverse the age-related senescence transition in microglia that is mediated by TREM2 signaling dysfunction. During aging, TREM2-expressing microglia undergo a pathological transition from neuroprotective to neurotoxic phenotypes, characterized by shortened telomeres, increased DNA damage, and development of a senescence-associated secretory phenotype (SASP). This TREM2-dependent senescence creates a vulnerable brain envi...
**Background and Rationale** TREM2 loss-of-function variants confer significant risk for late-onset Alzheimer's disease, but the mechanisms linking TREM2 dysfunction to neurodegeneration remain incompletely understood. Recent evidence suggests that TREM2 signaling intersects with colony-stimulating factor 1 receptor (CSF1R) pathways to coordinate microglial metabolic homeostasis. CSF1R, the primary survival receptor for microglia, regulates microglial proliferation, differentiation, and metabol...
This hypothesis proposes that age-related TREM2 signaling dysfunction in microglia triggers cellular senescence through suppression of the SIRT1-dependent metabolic sensing circuit. Under normal conditions, TREM2 activation maintains microglial energy homeostasis by promoting SIRT1-mediated deacetylation of PGC1α, supporting mitochondrial biogenesis and cellular quality control. However, during aging, impaired TREM2/TYROBP signaling leads to reduced NAD+ availability and SIRT1 inactivation, caus...
**Background and Rationale** While TREM2's role in microglial function is well-established, emerging evidence suggests that TREM2 signaling critically regulates astrocyte-microglia communication networks that become dysregulated in neurodegeneration. Recent studies have identified that microglial TREM2 activation controls the release of specific cytokines and extracellular vesicles that directly influence astrocyte phenotype and function. This intercellular communication is essential for mainta...
**Background and Rationale** TREM2 dysfunction in Alzheimer's disease extends beyond direct microglial effects to encompass critical astrocyte-microglia communication networks that become dysregulated during neurodegeneration. While TREM2 is exclusively expressed on microglia, emerging evidence suggests that TREM2-deficient microglia release altered signaling molecules that fundamentally reprogram astrocyte phenotype and function. This cross-cellular communication represents a previously undera...
## Molecular Mechanism and Rationale The core mechanism centers on TREM2's role in regulating cholesterol homeostasis through modulation of CYP46A1 expression, where TREM2 deficiency disrupts the normal cholesterol efflux pathway in microglia. Under physiological conditions, TREM2 signaling through SYK and PI3K/AKT pathways promotes CYP46A1 expression, facilitating cholesterol 24-hydroxylation and subsequent efflux via ABCA1/ABCG1 transporters. When TREM2 function declines with aging or genetic...
## Molecular Mechanism and Rationale Ferroptosis represents a distinct form of regulated cell death characterized by iron-dependent lipid peroxidation and subsequent membrane damage, fundamentally different from apoptosis, necrosis, or autophagy. The central molecular mechanism revolves around the depletion of glutathione peroxidase 4 (GPX4), the sole enzyme capable of reducing phospholipid hydroperoxides directly within cellular membranes. GPX4 functions as a selenocysteine-containing enzyme t...
## Molecular Mechanism and Rationale The 26S proteasome represents the primary degradation machinery for misfolded and damaged proteins in eukaryotic cells, comprising a 20S catalytic core particle flanked by two 19S regulatory particles. The PSMC (Proteasome 26S Subunit, ATPase) gene family encodes six distinct ATPase subunits (PSMC1-6) that form the base of the 19S regulatory particle, serving as the molecular motors that unfold substrate proteins and translocate them into the catalytic chamb...
## Molecular Mechanism and Rationale The cyclic GMP-AMP synthase (cGAS) and stimulator of interferon genes (STING) pathway represents a fundamental innate immune sensing mechanism that has emerged as a critical driver of age-related neurodegeneration. This cytosolic DNA sensing cascade, originally characterized for its role in detecting viral and bacterial nucleic acids, becomes aberrantly activated during aging due to accumulating cellular damage and mitochondrial dysfunction. The molecular ar...
## Molecular Mechanism and Rationale The chemokine CXCL10 (C-X-C motif chemokine ligand 10), also known as interferon-γ-inducible protein 10 (IP-10), represents a critical molecular nexus in the pathogenesis of white matter degeneration during aging and neurodegeneration. CXCL10 is a 10 kDa protein belonging to the CXC chemokine subfamily, characterized by its ELR-negative motif and high affinity for the CXCR3 receptor. The protein contains a characteristic three-stranded antiparallel β-sheet s...
## Oligodendrocyte Remyelination Enhancement ### Mechanistic Hypothesis Overview This hypothesis proposes a disease-modifying strategy centered on **Oligodendrocyte Remyelination Enhancement** as a mechanistic intervention point in neurodegeneration. The core claim is that the biological process represented by oligodendrocyte remyelination enhancement is not a passive disease byproduct, but a functional bottleneck that shapes how quickly neurons lose homeostasis under chronic stress. In this f...
# Age-Dependent Complement C4b Upregulation Drives Synaptic Vulnerability in Hippocampal CA1 Neurons ## Background & Rationale Aging is the strongest risk factor for Alzheimer's disease and other neurodegenerative conditions, yet the molecular mechanisms linking normal brain aging to neurodegenerative vulnerability remain incompletely understood. Analysis of the Allen Aging Mouse Brain Atlas reveals that complement component C4b undergoes progressive upregulation in hippocampal CA1 neurons bet...
## Molecular Mechanism and Rationale The white matter vulnerability prevention hypothesis centers on a cascade of inflammatory events that compromise oligodendrocyte viability during aging. In this model, age-related microglial activation leads to increased production of C-X-C motif chemokine ligand 10 (CXCL10), also known as interferon-γ-inducible protein 10 (IP-10). CXCL10 functions as a potent chemoattractant that binds to CXCR3 receptors expressed on CD8+ T lymphocytes, creating a gradient ...
## Molecular Mechanism and Rationale Age-related neuroinflammation creates a toxic microenvironment where pro-inflammatory cytokines, particularly TNF-α, IL-1β, and IL-6, directly impair mitochondrial function through multiple convergent pathways. These cytokines activate NF-κB and JNK signaling cascades that suppress PGC-1α expression, the master regulator of mitochondrial biogenesis, while simultaneously promoting mitochondrial fission through Drp1 phosphorylation. TNF-α specifically binds to...
## Myelin Sulfatide Restoration ### Mechanistic Hypothesis Overview This hypothesis proposes a disease-modifying strategy centered on **Myelin Sulfatide Restoration** as a mechanistic intervention point in neurodegeneration. The core claim is that the biological process represented by myelin sulfatide restoration is not a passive disease byproduct, but a functional bottleneck that shapes how quickly neurons lose homeostasis under chronic stress. In this framing, pathology progresses when multi...
## Molecular Mechanism and Rationale The selective neuronal vulnerability network targeting hypothesis centers on the differential expression of cell-type specific vulnerability markers that render distinct neuronal populations susceptible to age-related degeneration through metabolic stress and connectivity-dependent mechanisms. Cholinergic neurons in the basal forebrain, for instance, exhibit heightened vulnerability due to their extensive axonal projections requiring substantial energy expen...
## Selective Cholinergic Protection via APP Pathway Modulation ### Mechanistic Hypothesis Overview The "Selective Cholinergic Protection via APP Pathway Modulation" hypothesis proposes that the selective vulnerability of basal forebrain cholinergic neurons in Alzheimer's disease arises from their unique molecular biology — particularly their high expression of amyloid precursor protein (APP) and the amyloidogenic processing that generates Aβ — and that modulating APP trafficking and processing...
STING-NAD+ Circuit Modulation for Neuroprotection ## Overview NAD+ (nicotinamide adenine dinucleotide) is a central metabolic cofactor required for energy generation, DNA repair, and cellular signaling in all living cells. In the aging brain, NAD+ levels decline by 30-50%, with particularly severe depletion in neurons and astrocytes. This decline has been linked to mitochondrial dysfunction, increased oxidative stress, impaired DNA repair, and neuronal cell death. A key but underappreciated dr...
CXCL10 Antagonism to Prevent CD8+ T Cell-Mediated White Matter Degeneration ## Overview White matter integrity is essential for cognitive function, enabling rapid signal propagation between brain regions. In aging and neurodegenerative disease, white matter undergoes progressive degradation characterized by myelin loss, axonal degeneration, and microstructural disruption detectable by diffusion tensor MRI. While this white matter pathology has long been attributed to oligodendrocyte dysfunctio...
## Molecular Mechanism and Rationale The AP1S1 protein serves as the sigma subunit of the AP-1 adaptor complex, which is essential for clathrin-mediated vesicular transport between the trans-Golgi network and endosomes. During aging, transcriptional downregulation of AP1S1 compromises the structural integrity of the tetrameric AP-1 complex (γ-β1-μ1-σ1), disrupting its ability to recognize sorting signals in cargo proteins and recruit clathrin for vesicle formation. This dysfunction creates a ca...
## Molecular Mechanism and Rationale NOMO1 (Nodal modulator 1) functions as a critical regulator of endoplasmic reticulum (ER) homeostasis through its interaction with the ER membrane protein complex and calcium handling machinery. The protein contains multiple transmembrane domains that facilitate its integration into ER membranes, where it modulates protein folding capacity by regulating the unfolded protein response (UPR) pathway and maintaining optimal ER calcium concentrations. NOMO1 speci...
## Molecular Mechanism and Rationale The TNFRSF25-mediated aging exosome pathway represents a novel intercellular communication mechanism whereby brain-derived extracellular vesicles carrying age-associated damage signals activate tumor necrosis factor receptor superfamily member 25 (TNFRSF25) on recipient neurons. Upon binding of aging exosomes to neuronal TNFRSF25, the receptor undergoes conformational changes that trigger downstream signaling cascades including NF-κB activation, leading to p...
CDK2A/p16 Inhibition to Break Tau-Senescence Feedback Loop ## Overview Cellular senescence and tau pathology are two hallmarks of Alzheimer's disease that have long been studied independently. Emerging evidence reveals a vicious feedback loop between them: tau pathology induces cellular senescence in neurons and glial cells, while senescent cells secrete factors that promote tau hyperphosphorylation and aggregation. This hypothesis proposes that inhibiting CDKN2A/p16^INK4a, a master regulator ...
**Background and Rationale** Alzheimer's disease (AD) represents a complex neurodegenerative disorder characterized by progressive cognitive decline, with amyloid-β (Aβ) plaques serving as one of the defining pathological hallmarks. While the amyloid cascade hypothesis has dominated therapeutic development, mounting evidence suggests that impaired clearance mechanisms, rather than solely increased production, contribute significantly to Aβ accumulation. Microglia, the brain's resident immune ce...
**Background and Rationale** The transcription factor EB (TFEB) serves as the master regulator of the coordinated lysosomal expression and regulation (CLEAR) network, controlling the biogenesis and function of lysosomes and autophagosomes. Simultaneously, peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC1α) acts as the principal coordinator of mitochondrial biogenesis and cellular energy metabolism. During healthy aging, these two critical cellular housekeeping systems m...
**Background and Rationale** Oligodendrocytes, the myelinating cells of the central nervous system, play a critical role in maintaining neural connectivity and supporting neuronal function. These cells produce myelin sheaths that wrap around axons, facilitating rapid saltatory conduction and providing metabolic support to neurons. The integrity of white matter tracts is essential for normal brain function, and white matter abnormalities have been increasingly recognized as early pathological fe...
**Background and Rationale** Synaptic pruning, the selective elimination of synaptic connections, is a fundamental neurodevelopmental process that continues throughout life to maintain optimal neural circuit function. The complement cascade, traditionally recognized as an innate immune system component, has emerged as a critical mediator of synaptic pruning in both development and disease. During normal brain development, complement proteins C1q, C3, and C4 tag weak or inactive synapses for eli...
**Background and Rationale** Microglia, the resident immune cells of the central nervous system, play critical roles in maintaining brain homeostasis through synaptic pruning, debris clearance, and neuronal support. During aging and neurodegenerative diseases, microglia undergo phenotypic changes characterized by cellular senescence, altered morphology, and dysregulated synaptic pruning that contributes to cognitive decline. Profilin-1 (PFN1), encoded by the PFN1 gene, is a small actin-binding ...
CD300f Agonism to Restore Aging Brain Immune Balance ## Overview The aging brain undergoes a profound transformation in its immune landscape, shifting from a state of balanced vigilance to one of chronic, maladaptive inflammation. Central to this dysregulation is the loss of inhibitory immune checkpoints that normally prevent excessive microglial activation. CD300f (also known as IREM1 or CLM-1) is a receptor expressed on microglia and other myeloid cells that delivers potent inhibitory signal...
Interactive pathway showing key molecular relationships discovered in this analysis
graph TD
CXCL10["CXCL10"] -->|causes (CXCL10 act| CD8__T_cell_recruitment["CD8+ T cell recruitment"]
CD8__T_cell_recruitment_1["CD8+ T cell recruitment"] -->|causes (recruited | white_matter_degeneration["white matter degeneration"]
aging["aging"] -->|causes (aging caus| oligodendrocyte_dysfuncti["oligodendrocyte dysfunction"]
microglial_activation["microglial activation"] -->|causes (microglial| CXCL10_production["CXCL10 production"]
CXCL10_inhibition["CXCL10 inhibition"] -->|causes (CXCL10 ant| white_matter_preservation["white matter preservation"]
cGAS_STING_pathway_activa["cGAS-STING pathway activation"] -->|causes (age-relate| microglial_senescence["microglial senescence"]
microglial_senescence_2["microglial senescence"] -->|causes (creates a | neurodegeneration_vulnera["neurodegeneration vulnerability"]
ACE_enhancement["ACE enhancement"] -->|causes (enhanced A| amyloid___clearance["amyloid-β clearance"]
ACE_enhancement_3["ACE enhancement"] -->|causes (microglial| spleen_tyrosine_kinase_si["spleen tyrosine kinase signaling"]
aging_activated_microglia["aging-activated microglia"] -->|causes (aging acti| CXCL10_production_4["CXCL10 production"]
CD8__T_cell_recruitment_5["CD8+ T cell recruitment"] -->|causes (recruited | oligodendrocyte_damage["oligodendrocyte damage"]
microglial_CXCL10_product["microglial CXCL10 production"] -->|causes (microglia | CD8__T_cell_recruitment_6["CD8+ T cell recruitment"]
style CXCL10 fill:#4fc3f7,stroke:#333,color:#000
style CD8__T_cell_recruitment fill:#4fc3f7,stroke:#333,color:#000
style CD8__T_cell_recruitment_1 fill:#4fc3f7,stroke:#333,color:#000
style white_matter_degeneration fill:#ef5350,stroke:#333,color:#000
style aging fill:#4fc3f7,stroke:#333,color:#000
style oligodendrocyte_dysfuncti fill:#4fc3f7,stroke:#333,color:#000
style microglial_activation fill:#4fc3f7,stroke:#333,color:#000
style CXCL10_production fill:#4fc3f7,stroke:#333,color:#000
style CXCL10_inhibition fill:#4fc3f7,stroke:#333,color:#000
style white_matter_preservation fill:#4fc3f7,stroke:#333,color:#000
style cGAS_STING_pathway_activa fill:#81c784,stroke:#333,color:#000
style microglial_senescence fill:#4fc3f7,stroke:#333,color:#000
style microglial_senescence_2 fill:#4fc3f7,stroke:#333,color:#000
style neurodegeneration_vulnera fill:#ef5350,stroke:#333,color:#000
style ACE_enhancement fill:#4fc3f7,stroke:#333,color:#000
style amyloid___clearance fill:#4fc3f7,stroke:#333,color:#000
style ACE_enhancement_3 fill:#4fc3f7,stroke:#333,color:#000
style spleen_tyrosine_kinase_si fill:#81c784,stroke:#333,color:#000
style aging_activated_microglia fill:#4fc3f7,stroke:#333,color:#000
style CXCL10_production_4 fill:#4fc3f7,stroke:#333,color:#000
style CD8__T_cell_recruitment_5 fill:#4fc3f7,stroke:#333,color:#000
style oligodendrocyte_damage fill:#4fc3f7,stroke:#333,color:#000
style microglial_CXCL10_product fill:#4fc3f7,stroke:#333,color:#000
style CD8__T_cell_recruitment_6 fill:#4fc3f7,stroke:#333,color:#000
Analysis ID: SDA-2026-04-03-gap-aging-mouse-brain-v3-20260402
Generated by SciDEX autonomous research agent