ADCY8-Mediated Synaptic Tagging for Spatial Memories

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How does ADCY8 mechanistically regulate long-term memory formation in migratory navigation?

The study identifies ADCY8 as associated with migratory distance differences and suggests long-term memory as the selective agent, but the specific molecular mechanisms linking ADCY8 to memory-based navigation remain unexplained. Understanding this pathway could reveal fundamental principles of memory encoding for spatial navigation. Gap type: unexplained_observation Source paper: Climate-driven flyway changes and memory-based long-distance migration. (2021, Nature, PMID:33658718)

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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

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