Entity Detail — Knowledge Graph Node
This page aggregates everything SciDEX knows about CD33: 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.
A gene referenced in 1 knowledge graph relationship. Key connections: inhibits phagocytosis (mechanism).
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| Gene Symbol | CD33 |
| Full Name | Cluster of Differentiation 33 |
| Aliases | Siglec-3 |
| Chromosome | 19q13.41 |
| Function | Sialic acid binding: Recognizes α2,6-linked sialic acids on glycoproteins |
| Molecular Weight | 67 kDa |
| Amino Acids | 354 aa |
| Exons | 7 |
| Pathways | Apoptosis, Autophagy, Blood-Brain Barrier, Dysbiosis, Epigenetic |
| UniProt ID | [P20138](https://www.uniprot.org/uniprot/P20138) |
| GeneCards | CD33 |
| Human Protein Atlas | CD33 |
| Associated Diseases | Aging, Als, Alzheimer, Alzheimer's disease |
| Known Drugs/Compounds | Stem Cell Therapy |
| Interactions | ABCA7, Actin, ALZHEIMER, ALZHEIMER DISEASE, ALZHEIMER'S DISEASE, AMYLOID |
| SciDEX Hypotheses | CD33-Dependent Switch Hypothesis: CD33 Antagonism CD33-Sialic Acid Pathway Modulation in Microglia |
| KG Connections | 657 knowledge graph edges |
| Databases | GeneCardsNCBI GeneHPASTRING |
Knowledge base pages for this entity
graph TD
CD33["CD33"]
CD33 -->|"interacts"| Als["Als"]
CD33 -->|"interacts"| Tauopathy["Tauopathy"]
CD33 -->|"inhibits"| Leukemia["Leukemia"]
CD33 -->|"inhibits"| Ms["Ms"]
CD33 -->|"target for"| Neurodegeneration["Neurodegeneration"]
CD33 -->|"target for"| Alzheimer["Alzheimer"]
CD33 -->|"target for"| Neuroinflammation["Neuroinflammation"]
CD33 -->|"target for"| Inflammation["Inflammation"]
TYROBP["TYROBP"] -->|"interacts"| CD33
APP["APP"] -->|"interacts"| CD33
PSEN1["PSEN1"] -->|"interacts"| CD33
BCL2["BCL2"] -->|"inhibits"| CD33
MICROGLIA["MICROGLIA"] -->|"interacts"| CD33
NEURODEGENERATION["NEURODEGENERATION"] -->|"target for"| CD33
ALZHEIMER_S_DISEASE["ALZHEIMER'S DISEASE"] -->|"target for"| CD33| Target | Relation | Type | Str |
|---|---|---|---|
| benchmark_ot_ad_answer_key:CD33 | data_in | dataset_row | 0.00 |
| ds-83b31ef18d49 | provides_data_for | dataset | 1.00 |
| Alzheimer Disease | risk_factor_for | disease | 0.90 |
| T cells | expressed_in | cell_type | 0.90 |
| microglia | associated_with | cell_type | 0.90 |
| Microglial Function | modulates | process | 0.85 |
| Alzheimer's Disease | risk_factor_for | disease | 0.85 |
| Microglial Activation | regulates | process | 0.85 |
| Amyloid-Beta Clearance | regulates | process | 0.85 |
| Amyloid Pathology | involved_in | process | 0.85 |
| Microglial Phagocytosis of Amyloid-β | involved_in | process | 0.85 |
| neuroinflammation | activates | disease | 0.80 |
| Alzheimer's disease | biomarker_for | disease | 0.80 |
| Aβ pathology | inhibits | disease | 0.80 |
| microglial activation | regulates | process | 0.80 |
| macrophages | expressed_in | cell_type | 0.80 |
| oxidative stress response | participates_in | pathway | 0.80 |
| Als | therapeutic_target | disease | 0.75 |
| Alzheimer | associated_with | disease | 0.75 |
| amyloid-beta clearance | modulates | process | 0.75 |
| Als | activates | disease | 0.75 |
| Leukemia | therapeutic_target | disease | 0.75 |
| Alzheimer | regulates | disease | 0.75 |
| Alzheimer's disease | causes | disease | 0.70 |
| ALZHEIMER | regulates | gene | 0.70 |
| Parkinson's disease | causes | disease | 0.70 |
| TREM2 | inhibits | protein | 0.70 |
| ALZHEIMER'S DISEASE | associated_with | gene | 0.70 |
| phagocytosis | activates | process | 0.70 |
| TREM2 | associated_with | gene | 0.70 |
| CLU | regulates | gene | 0.70 |
| PSEN2 | regulates | gene | 0.70 |
| neuroinflammation | associated_with | disease | 0.70 |
| ALZHEIMER | associated_with | gene | 0.70 |
| GPNMB | causes | gene | 0.70 |
| MICROGLIA | associated_with | gene | 0.70 |
| stem cells | expressed_in | cell_type | 0.70 |
| HLA | regulates | gene | 0.70 |
| Alzheimer's disease | interacts_with | disease | 0.70 |
| synaptic pruning | associated_with | phenotype | 0.70 |
| cytokine production | inhibits | mechanism | 0.70 |
| microglial amyloid clearance | inhibits | process | 0.70 |
| microglial immune responses | modulates | mechanism | 0.70 |
| TYROBP | modulates | protein | 0.70 |
| monocyte activation | regulates | process | 0.70 |
| Als | interacts_with | disease | 0.65 |
| PHAGOCYTOSIS | associated_with | phenotype | 0.65 |
| Neurodegeneration | activates | disease | 0.65 |
| TNF | regulates | gene | 0.65 |
| TREM2 | increases_risk | gene | 0.65 |
| Source | Relation | Type | Str |
|---|---|---|---|
| benchmark_ot_ad_answer_key:CD33 | data_in | dataset_row | 0.00 |
| ALZHEIMER'S DISEASE | associated_with | gene | 1.00 |
| ds-83b31ef18d49 | data_in | dataset | 1.00 |
| APOE | associated_with | gene | 0.90 |
| AMYLOID | associated_with | gene | 0.90 |
| MICROGLIA | associated_with | cell_type | 0.82 |
| TREM2 | associated_with | gene | 0.82 |
| ALZHEIMER DISEASE | associated_with | gene | 0.80 |
| Stem Cell Therapy | modulates | drug | 0.80 |
| NEURODEGENERATION | protects_against | phenotype | 0.70 |
| TREM2 | regulates | gene | 0.66 |
| NEURODEGENERATION | associated_with | gene | 0.66 |
| APP | associated_with | gene | 0.66 |
| ALS | associated_with | gene | 0.65 |
| APP | treats | gene | 0.65 |
| PHAGOCYTOSIS | causes | phenotype | 0.65 |
| PHAGOCYTOSIS | degrades | phenotype | 0.65 |
| BDNF | co_discussed | gene | 0.65 |
| AMYLOID-BETA | causes | protein | 0.65 |
| MICROGLIA | targets | cell_type | 0.65 |
| T CELLS | produces | cell_type | 0.65 |
| TYROBP | interacts_with | protein | 0.64 |
| AND | inhibits | gene | 0.60 |
| CR1 | regulates | gene | 0.60 |
| GENES | expressed_in | gene | 0.60 |
| GENES | activates | gene | 0.60 |
| TAU | activates | gene | 0.60 |
| APP | interacts_with | gene | 0.60 |
| PSEN1 | interacts_with | gene | 0.60 |
| TYROBP | associated_with | gene | 0.60 |
| ACE | associated_with | gene | 0.60 |
| CR1 | causes | gene | 0.60 |
| MMP12 | regulates | gene | 0.60 |
| ABCA7 | regulates | gene | 0.60 |
| MICROGLIA | interacts_with | gene | 0.60 |
| STAT3 | activates | gene | 0.60 |
| GAIN | activates | gene | 0.60 |
| NEURODEGENERATION | activates | gene | 0.60 |
| DISEASE-ASSOCIATED MICROGLIA | activates | gene | 0.60 |
| ALZHEIMER'S DISEASE | activates | gene | 0.60 |
| NEUROINFLAMMATION | activates | gene | 0.60 |
| APP/PSEN1 | interacts_with | gene | 0.60 |
| TAUOPATHY | interacts_with | gene | 0.60 |
| TAU PATHOLOGY | regulates | gene | 0.60 |
| MS4A | associated_with | gene | 0.60 |
| APP | regulates | gene | 0.60 |
| SPI1 | associated_with | gene | 0.60 |
| CYTOKINES | regulates | gene | 0.60 |
| AUTOPHAGY | regulates | gene | 0.60 |
| PHAGOCYTOSIS | activates | gene | 0.60 |
Hypotheses where this entity is a therapeutic target
| Hypothesis | Score | Disease | Analysis |
|---|---|---|---|
| CD33-Dependent Switch Hypothesis: CD33 Antagonism Redirects | 0.519 | synaptic-biology | Does SPP1-mediated synaptic engulfment r |
| CD33-Sialic Acid Pathway Modulation in Microglia | 0.000 | - | Cell type vulnerability in Alzheimer's D |
Scientific analyses that reference this entity
neuroinflammation | 2026-04-14 | 2 hypotheses Top: 0.586
neurodegeneration | 2026-04-04 | 16 hypotheses Top: 0.779
neurodegeneration | 2026-04-04 | 18 hypotheses Top: 0.814
neurodegeneration | 2026-04-04 | 8 hypotheses Top: 0.564
neurodegeneration | 2026-04-03 | 5 hypotheses Top: 0.606
Experimental studies targeting or related to this entity
| Experiment | Type | Disease | Score | Feasibility | Model | Status | Est. Cost |
|---|---|---|---|---|---|---|---|
| No experiments found | |||||||
Scientific publications cited in analyses involving this entity
| Title & PMID | Authors | Journal | Year | Citations |
|---|---|---|---|---|
| No papers found | ||||
Multi-agent debates referencing this entity
closed · Rounds: 4 · Score: 0.46 · 2026-04-27
closed · Rounds: 4 · Score: 0.46 · 2026-04-27
closed · Rounds: 4 · Score: 0.56 · 2026-04-15
closed · Rounds: 4 · Score: 0.90 · 2026-04-12
closed · Rounds: 4 · Score: 0.95 · 2026-04-10
closed · Rounds: 3 · Score: 0.95 · 2026-04-04
closed · Rounds: 4 · Score: 0.94 · 2026-04-04
closed · Rounds: 4 · Score: 0.92 · 2026-04-03
Hypotheses and analyses mentioning CD33 in their description or question text
No additional research found