ID: hyp-SDA-2026-04-08-gap-pubmed-20260406-0
Hypothesis

Circadian-Spatial Memory Coupling Therapy

ADCY8's role in memory-based navigation may involve coupling spatial memory consolidation to circadian rhythms.
🧬 ADCY8🩺 memory-and-navigation🎯 Composite 46%💱 $0.52▲6.0%active
memory and navigation
EvidencePending (0%)📖 5 cit🗣 1 debates 5 support 1 oppose
✓ All Quality Gates Passed
Mechanistic 0.50 (15%) Evidence 0.50 (15%) Novelty 0.50 (12%) Feasibility 0.50 (12%) Impact 0.00 (12%) Druggability 0.50 (10%) Safety 0.50 (8%) Competition 0.50 (6%) Data Avail. 0.50 (5%) Reproducible 0.50 (5%) KG Connect 0.12 (8%) 0.455 composite

🧪 Overview

ADCY8's role in memory-based navigation may involve coupling spatial memory consolidation to circadian rhythms. Therapeutic modulation of this coupling could treat spatial disorientation disorders by synchronizing memory formation with natural circadian cues.

🧬 Mechanism

🔗 Mechanism from KG for ADCY8

Auto-built from this analysis's top knowledge-graph edges.

graph TD
    ADCY8["ADCY8"] -->|produces| cAMP["cAMP"]
    ADCY8_1["ADCY8"] -->|modulates| spatial_navigation["spatial_navigation"]
    ADCY8_2["ADCY8"] -->|activates| PKA_CREB_signaling_cascad["PKA-CREB signaling cascade"]
    ADCY8_3["ADCY8"] -->|regulates| long_term_spatial_memory_["long-term spatial memory formation"]
    ADCY8_4["ADCY8"] -->|activates| cAMP_signaling["cAMP signaling"]
    ADCY8_5["ADCY8"] -->|activates| PKA["PKA"]
    ADCY8_6["ADCY8"] -->|regulates| spatial_memory_formation["spatial memory formation"]
    ADCY8_7["ADCY8"] -->|regulates| hippocampus["hippocampus"]
    ADCY8_8["ADCY8"] -->|causes| long_term_spatial_memory__9["long_term_spatial_memory_formation"]
    ADCY8_10["ADCY8"] -->|modulates| epigenetic_programming["epigenetic_programming"]
    ADCY8_11["ADCY8"] -->|protective against| navigation_disorders["navigation_disorders"]
    ADCY8_12["ADCY8"] -->|modulates| synaptic_plasticity["synaptic_plasticity"]
    ADCY8_13["ADCY8"] -->|enhances| adenylyl_cyclase_activity["adenylyl_cyclase_activity"]
    ADCY8_14["ADCY8"] -->|couples with| circadian_rhythms["circadian_rhythms"]
    ADCY8_variants["ADCY8 variants"] -->|enhances| cAMP_dependent_memory_con["cAMP-dependent memory consolidation"]
    style ADCY8 fill:#ce93d8,stroke:#333,color:#000
    style cAMP fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_1 fill:#ce93d8,stroke:#333,color:#000
    style spatial_navigation fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_2 fill:#ce93d8,stroke:#333,color:#000
    style PKA_CREB_signaling_cascad fill:#81c784,stroke:#333,color:#000
    style ADCY8_3 fill:#ce93d8,stroke:#333,color:#000
    style long_term_spatial_memory_ fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_4 fill:#ce93d8,stroke:#333,color:#000
    style cAMP_signaling fill:#81c784,stroke:#333,color:#000
    style ADCY8_5 fill:#ce93d8,stroke:#333,color:#000
    style PKA fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_6 fill:#ce93d8,stroke:#333,color:#000
    style spatial_memory_formation fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_7 fill:#ce93d8,stroke:#333,color:#000
    style hippocampus fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_8 fill:#ce93d8,stroke:#333,color:#000
    style long_term_spatial_memory__9 fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_10 fill:#ce93d8,stroke:#333,color:#000
    style epigenetic_programming fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_11 fill:#ce93d8,stroke:#333,color:#000
    style navigation_disorders fill:#ef5350,stroke:#333,color:#000
    style ADCY8_12 fill:#ce93d8,stroke:#333,color:#000
    style synaptic_plasticity fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_13 fill:#ce93d8,stroke:#333,color:#000
    style adenylyl_cyclase_activity fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_14 fill:#ce93d8,stroke:#333,color:#000
    style circadian_rhythms fill:#4fc3f7,stroke:#333,color:#000
    style ADCY8_variants fill:#ce93d8,stroke:#333,color:#000
    style cAMP_dependent_memory_con fill:#4fc3f7,stroke:#333,color:#000

⚖️ Evidence

⚖️ Evidence Matrix5 supports0 contradicts
Supports
Adcy8 deficiency contributes to impaired lipolysis and an increased prevalence of obesity in mice.
Biochim Biophys Acta Mol Cell Biol Lipids2025PMID:40527393medium
Supports
FXR Mediates Adenylyl Cyclase 8 Expression in Pancreatic β-Cells.
J Diabetes Res2019PMID:31485455medium
Supports
Ca(2+)-stimulated ADCY1 and ADCY8 regulate distinct aspects of synaptic and cognitive flexibility.
Front Cell Neurosci2023PMID:37465213medium
Supports
Multilevel control of glucose homeostasis by adenylyl cyclase 8.
Diabetologia2015PMID:25403481medium
Supports
Polymorphism in ovine ADCY8 gene and its association with residual feed intake in Hu sheep.
Anim Biotechnol2023PMID:36384395medium
📖 Linked Papers

No linked papers recorded for this hypothesis yet.

🏥 Translation

🧬 3D Protein Structure — ADCY8

No curated PDB or AlphaFold mapping for ADCY8 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 ADCY8 →

No DepMap CRISPR Chronos data found for ADCY8.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

🏆 Tournament

🏆 Arenas / Elo

No arena matches recorded yet. Browse Arenas →

📊 Market Indicators

7d Trend
Stable
7d Momentum
▲ 0.0%
Volatility
High
0.0535
Events (7d)
0
Price History
▲6.0%

💾 Resource Usage

LLM Tokens
7,012
$0.0421
Total Cost
$0.0421

🔮 Predictions

🔎 Predictions vs Observations2 predictions · 0 with recorded observations
PredictionPredictedObservedStatusConf
IF ADCY8 activity is pharmacologically enhanced during the subjective morning (circadian time ZT2-4) in C57BL/6J mice via selective adenylate cyclase activation, THEN spatial memory consolidation willProbe trial platform crossings will increase from baseline 3.2 ± 1.1 (SEM) to ≥5.0 crossings in the ADCY8-enhanced morning group, with no significant improvemen— no observation —pending0.45
IF patients with amnestic mild cognitive impairment (aMCI) are stratified by prefrontal cortex ADCY8 expression levels (high vs low tertiles) and tested on a virtual navigation task, THEN high-ADCY8 eHigh-ADCY8 tertile (n≥30) will show mean path efficiency of 0.78 ± 0.09 (SEM) in morning vs 0.61 ± 0.11 in evening sessions (paired t p<0.01). Low-ADCY8 tertile— no observation —pending0.35
🔮 Falsifiable Predictions (2)
pendingconf 45%
IF ADCY8 activity is pharmacologically enhanced during the subjective morning (circadian time ZT2-4) in C57BL/6J mice via selective adenylate cyclase activation, THEN spatial memory consolidation will improve by ≥20% on Morris water maze probe trial performance compared to vehicle-treated controls w
Predicted outcome: Probe trial platform crossings will increase from baseline 3.2 ± 1.1 (SEM) to ≥5.0 crossings in the ADCY8-enhanced morning group, with no significant
Falsification: No statistically significant difference (p ≥ 0.05, t-test with Bonferroni correction) in probe trial performance between ADCY8-enhanced morning group and vehicle controls; or if evening treatment prod
pendingconf 35%
IF patients with amnestic mild cognitive impairment (aMCI) are stratified by prefrontal cortex ADCY8 expression levels (high vs low tertiles) and tested on a virtual navigation task, THEN high-ADCY8 expressers will demonstrate ≥25% greater spatial accuracy during morning sessions compared to evening
Predicted outcome: High-ADCY8 tertile (n≥30) will show mean path efficiency of 0.78 ± 0.09 (SEM) in morning vs 0.61 ± 0.11 in evening sessions (paired t p<0.01). Low-ADC
Falsification: No significant circadian × ADCY8 expression interaction in repeated-measures ANOVA; or low-ADCY8 expressers show greater morning advantage than high-ADCY8 expressers.
Metadatasource: v1_phase_c_backfill · origin_type: debate_synthesis
sourcev1_phase_c_backfill
origin_typedebate_synthesis
_schema_version1
📊 Evidence Profile
Evidence Balance
+0%
Certainty
0%
Debates
0
Incoming
0
Outgoing
0
0 supporting 0 contradicting 0 neutral
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