concept

SYNAPSE LOSS

Entity Detail — Knowledge Graph Node

Understanding Entity Pages

This page aggregates everything SciDEX knows about SYNAPSE LOSS: its mechanistic relationships (Knowledge Graph edges), hypotheses targeting it, analyses mentioning it, and supporting scientific papers. The interactive graph below shows its immediate neighbors. All content is AI-synthesized from peer-reviewed literature.

79Connections

4Hypotheses

17Analyses

5Outgoing

50Incoming

4Experiments

18Debates

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💡 Concept Info

Name	SYNAPSE LOSS

Wiki Pages (1)

Knowledge base pages for this entity

Canonical Page

Complement-Mediated Synapse Loss

mechanism · 3185 words

→

Pathway Diagram

graph TD
    SYNAPSE_LOSS["SYNAPSE LOSS"]
    SYNAPSE_LOSS -->|"contributes to"| Alzheimer_s_Disease["Alzheimer's Disease"]
    SYNAPSE_LOSS -->|"correlates_with"| Cognitive_Decline["Cognitive Decline"]
    C1Q["C1Q"] -->|"mediates"| SYNAPSE_LOSS
    Microglia["Microglia"] -->|"mediates"| SYNAPSE_LOSS
    Complement["Complement"] -->|"mediates"| SYNAPSE_LOSS
    GADD45G["GADD45G"] -->|"causes"| SYNAPSE_LOSS
    Inhibition_of_C1Q["Inhibition of C1Q"] -.protects against.-> SYNAPSE_LOSS
    Inhibition_of_C3["Inhibition of C3"] -.protects against.-> SYNAPSE_LOSS
    Alzheimer_s_Disease -->|"causes"| SYNAPSE_LOSS
    NPTX2["NPTX2"] -.protects against.-> SYNAPSE_LOSS

Outgoing (5)

Target	Relation	Type	Str
Alzheimer's Disease	contributes_to	disease	0.95
Cognitive Decline	associated_with	phenotype	0.90
Neuroplasticity	associated_with	process	0.88
COVID-19 Neuropathologies	biomarker_for	disease	0.80
cognitive impairment	causes	phenotype	0.70

Incoming (74)

Source	Relation	Type	Str
C1Q	mediates	protein	0.95
Complement	mediates	pathway	0.95
Microglia	mediates	cell_type	0.95
GADD45G	causes	gene	0.92
Beta-Amyloid Oligomers	causes	compound	0.92
Inhibition of C1Q	protects_against	mechanism	0.90
NLRP3 inhibition	prevents	process	0.90
C1Q	associated_with	protein	0.90
Inhibition of C3	protects_against	mechanism	0.90
Complement C1q	causes	protein	0.90
Brain-Penetrant Complement-Blocking Antibody	protects_against	drug	0.90
Complement-Blocking Antibody	protects_against	drug	0.90
Aβ oligomers	causes	protein	0.90
brain-penetrant recombinant antibody	decreases	compound	0.90
CR3	involved_in	receptor	0.90
Amyloid_Beta	causes	compound	0.90
37812432	correlates with	paper	0.90
38255891	correlates with	paper	0.90
NPTX2	protects_against	protein	0.90
Microglia	causes	cell_type	0.90
NEUROINFLAMMATION	causes	process	0.90
Microglia	promotes	cell_type	0.90
β-amyloid Oligomers	causes	compound	0.90
classical pathway activation	causes	pathway	0.90
Classical Complement Cascade	drives	pathway	0.90
Minocycline	protects_against	drug	0.90
Alzheimer's Disease	causes	disease	0.90
MICROGLIA	mediates	cell_type	0.90
Classical Complement Cascade	contributes_to	pathway	0.88
microglial_activation	associated_with	mechanism	0.85
C3	involved_in	protein	0.85
Dark Microglia	causes	phenotype	0.85
Integrated Stress Response Inhibition	associated_with	process	0.85
Complement System	contributes_to	pathway	0.85
TAU	implicated_in	entity	0.85
Neuroinflammation	causes	process	0.85
Amyloid-Beta	causes	protein	0.85
C3	promotes	protein	0.85
ALZHEIMER'S DISEASE	associated_with	disease	0.85
Astrocytes	contributes_to	cell_type	0.80
Microglia	contributes_to	cell_type	0.80
Lipid Synthesis Inhibition	associated_with	process	0.80
amyloid-β	causes	protein	0.80
C1q knockout	prevents	mechanism	0.80
microglia	promotes	cell_type	0.70
tau missorting	causes	mechanism	0.70
C1q	causes	protein	0.70
C3	causes	protein	0.70
C1q deficiency	prevents	process	0.70
LILRB2	causes	gene	0.70

Targeting Hypotheses (4)

Hypotheses where this entity is a therapeutic target

Hypothesis	Score	Disease	Analysis
H2: Perforant Path Synapse Loss via Early Complement Cascade	0.610	neurodegeneration	Entorhinal cortex layer II vulnerability
NLRP3 Inflammasome Inhibition Prevents Synapse Loss via IL-1	0.610	neurodegeneration	Test Preregistration Analysis
TREM2-C1Q Competitive Binding to Prevent Complement-Mediated	0.591	neurodegeneration	Do β-amyloid plaques and neurofibrillary
H5: Complement Dysregulation Drives Synapse Loss via Senesce	0.580	neurodegeneration	Do APOE4-driven senescent astrocytes cau

Mentioning Analyses (17)

Scientific analyses that reference this entity

Methodology challenge: dataset 'Allen Brain SEA-AD Single Cell Dataset' — evalua

neurodegeneration | 2026-04-28 | 7 hypotheses Top: 0.662

Test Preregistration Analysis

neurodegeneration | 2026-04-27 | 7 hypotheses Top: 0.710

Does tau dendritic missorting persist independently after Aβ clearance, maintain

neurodegeneration | 2026-04-25 | 7 hypotheses Top: 0.740

What determines the temporal sequence of cholinergic dysfunction versus amyloid/

neurodegeneration | 2026-04-25 | 7 hypotheses Top: 0.730

Does C1q function differ based on subcellular localization or binding partner id

neurodegeneration | 2026-04-25 | 6 hypotheses Top: 0.750

Experiments (4)

Experimental studies targeting or related to this entity

Experiment	Type	Disease	Score	Model	Status	Est. Cost
LPS-induced mouse model of depression with synaptic loss analysis	validation	depression	0.900	LPS-treated mice	proposed	N/A
Bidirectional Mendelian randomization analysis of C1Q and ischemic str	exploratory	Ischemic stroke, Atheroscleros	0.900	Human genetic association data	proposed	N/A
Bidirectional Mendelian randomization analysis of C1Q and ischemic str	exploratory	Ischemic stroke (large artery	0.900	human genetic data	proposed	N/A
C1q neutralizing antibody intervention in depression model	validation	depression	0.850	LPS-treated mice with C1q anti	proposed	N/A

Related Papers (0)

Scientific publications cited in analyses involving this entity

Title & PMID	Authors	Journal	Year	Citations
No papers found

Debates (18)

Multi-agent debates referencing this entity

Methodology challenge: dataset 'Allen Brain SEA-AD Single Cell Dataset' — evalua

closed · Rounds: 4 · Score: 0.76 · 2026-04-28

Test question for preregistration

closed · Rounds: 4 · Score: 0.77 · 2026-04-28

Does tau dendritic missorting persist independently after Aβ clearance, maintain

closed · Rounds: 4 · Score: 0.65 · 2026-04-25

What determines the temporal sequence of cholinergic dysfunction versus amyloid/

closed · Rounds: 4 · Score: 0.65 · 2026-04-25

Does C1q function differ based on subcellular localization or binding partner id

closed · Rounds: 4 · Score: 0.68 · 2026-04-25

What is the role of microglial synaptic pruning in Alzheimer's disease and other

closed · Rounds: 4 · Score: 0.68 · 2026-04-22

While SPP1 absence prevents synaptic loss, it's unclear whether this represents

closed · Rounds: 4 · Score: 0.69 · 2026-04-21

The study shows C1qa tags synapses for microglial elimination, but doesn't expla

closed · Rounds: 4 · Score: 0.75 · 2026-04-21

The debate transcript shows incomplete analysis where the Theorist reached maxim

closed · Rounds: 4 · Score: 0.50 · 2026-04-18

There's a clear disconnect between improved mechanistic understanding of AD and

closed · Rounds: 4 · Score: 0.50 · 2026-04-18

Related Research

Hypotheses and analyses mentioning SYNAPSE LOSS in their description or question text

No additional research found

SYNAPSE LOSS

Understanding Entity Pages

Wiki Pages (1)

Complement-Mediated Synapse Loss

Pathway Diagram

Outgoing (5)

Incoming (74)

Targeting Hypotheses (4)

Mentioning Analyses (17)

Methodology challenge: dataset 'Allen Brain SEA-AD Single Cell Dataset' — evalua

Test Preregistration Analysis

Does tau dendritic missorting persist independently after Aβ clearance, maintain

What determines the temporal sequence of cholinergic dysfunction versus amyloid/

Does C1q function differ based on subcellular localization or binding partner id

How does Alectinib, a kinase inhibitor, achieve high-affinity binding to complem

test

Why have numerous phase 3 clinical trials failed despite advances in understandi

How does APOE4's beneficial immune function reconcile with its established role

Is C1q elevation in AD pathogenic or compensatory for amyloid clearance?

How can circuit-level neurodegeneration mechanisms be identified without complet

What determines the selectivity of complement-mediated synaptic elimination in p

Does SPP1-mediated synaptic engulfment represent beneficial clearance or patholo

Neuroinflammation and microglial priming in early Alzheimer's Disease

Synaptic pruning by microglia in neurodegeneration

Synaptic pruning by microglia in early AD

Senolytic therapy for age-related neurodegeneration

Experiments (4)

Related Papers (0)

Debates (18)

Methodology challenge: dataset 'Allen Brain SEA-AD Single Cell Dataset' — evalua

Test question for preregistration

Does tau dendritic missorting persist independently after Aβ clearance, maintain

What determines the temporal sequence of cholinergic dysfunction versus amyloid/

Does C1q function differ based on subcellular localization or binding partner id

What is the role of microglial synaptic pruning in Alzheimer's disease and other

While SPP1 absence prevents synaptic loss, it's unclear whether this represents

The study shows C1qa tags synapses for microglial elimination, but doesn't expla

The debate transcript shows incomplete analysis where the Theorist reached maxim

There's a clear disconnect between improved mechanistic understanding of AD and

Related Research