ID: h-14f3d499ffab
Hypothesis

Daytime orexin tone preserves synaptic plasticity in prodromal AD

In prodromal AD with circadian flattening, insufficient daytime orexin signaling may reduce attention and hippocampal plasticity.
🧬 HCRTR1🩺 neurodegeneration🎯 Composite 65%💱 $0.58▼18.7%proposed
EvidenceModerate (46%)📖 0 cit🗣 1 debates 3 support 2 oppose
✓ All Quality Gates Passed
Mechanistic 0.63 (15%) Evidence 0.62 (15%) Novelty 0.78 (12%) Feasibility 0.61 (12%) Impact 0.69 (12%) Druggability 0.62 (10%) Safety 0.56 (8%) Competition 0.55 (6%) Data Avail. 0.65 (5%) Reproducible 0.62 (5%) KG Connect 0.58 (8%) 0.650 composite

🧪 Overview

In prodromal AD with circadian flattening, insufficient daytime orexin signaling may reduce attention and hippocampal plasticity. A chronotherapy strategy that preserves daytime orexin tone while blocking night hyperarousal may outperform uniform receptor blockade.

🧬 Mechanism

🧬 Curated Mechanism Pathway

Curated pathway from expert analysis

flowchart TD
A["Circadian Flattening in Prodromal AD"]
B["Reduced Daytime Orexin Signaling"]
C["HCRTR1 Dysfunction"]
D["Impaired Hippocampal Synaptic Plasticity"]
E["Reduced Attention"]
F["Cognitive Decline"]
G["Chronotherapy Strategy"]
H["Preserved Daytime Orexin Tone"]
I["Maintained Synaptic Plasticity"]
J["Blocked Night Hyperarousal"]

A -->|"promotes"| B
B -->|"insufficient activation"| C
B -->|"directly reduces"| E
C -->|"mediates"| D
D -->|"contributes to"| F
E -->|"impairs"| F
G -->|"enhances"| H
G -->|"blocks"| J
H -->|"sustains"| I
I -->|"preserves"| F
J -->|"prevents circadian flattening"| A

⚖️ Evidence

⚖️ Evidence Matrix2 supports1 contradicts
Supports
Hypocretin/Orexin Receptor Pharmacology and Sleep Phases.
Front Neurol Neurosci2021PMID:34052813
Supports
Hypocretin-1/Hypocretin Receptor 1 Regulates Neuroplasticity and Cognitive Function through Hippocampal Lactate Homeostasis in Depressed Model.
Adv Sci (Weinh)2024PMID:39119889
Contradicts
Pharmacological targeting of glutamatergic neurons within the brainstem for weight reduction.
Nat Metab2022PMID:36411386
📖 Linked Papers

No linked papers recorded for this hypothesis yet.

🏥 Translation

🧬 3D Protein Structure — HCRTR1

No curated PDB or AlphaFold mapping for HCRTR1 yet. Search RCSB →

🧠 GTEx v10 Brain ExpressionJSON

Median TPM across 13 brain regions for HCRTR1 from GTEx v10.

Hypothalamus1.2 Cortex0.4 Frontal Cortex BA90.3 Anterior cingulate cortex BA240.2 Cerebellum0.2 Substantia nigra0.2 Hippocampus0.1 Cerebellar Hemisphere0.1 Amygdala0.1 Nucleus accumbens basal ganglia0.1 Spinal cord cervical c-10.1 Putamen basal ganglia0.1 Caudate basal ganglia0.1median TPM (GTEx v10)

💉 Clinical Trials (1)Relevance: 69%

0
Active
0
Completed
0
Total Enrolled
Unknown·

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No DepMap CRISPR Chronos data found for HCRTR1.

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🏆 Tournament

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📊 Market Indicators

7d Trend
Stable
7d Momentum
▼ 1.5%
Volatility
Low
0.0034
Events (7d)
5
Price History
▼18.7%

💾 Resource Usage

No resource usage or linked notebooks recorded for this hypothesis yet.

Metadatasource: v1_phase_c_backfill · origin_type: gap_debate
sourcev1_phase_c_backfill
origin_typegap_debate
_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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