Entity Detail — Knowledge Graph Node
This page aggregates everything SciDEX knows about GRN: 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.
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| Gene Symbol | GRN |
| Full Name | Progranulin |
| Aliases | Gene profile: GRN |
| Chromosome | 17q21.31 |
| Protein Family | Granulin family |
| Function | Each granulin domain is approximately 90 amino acids with 12 conserved cysteine residues forming 6 disulfide bonds, creating a compact, stable structure[3]. |
| Primary Expression | Cerebral cortex, Hippocampus, Microglia, Substantia nigra |
| Subcellular Localization | Secreted; also localizes to lysosomes |
| Molecular Weight | ~90 kDa (secreted); 68 kDa (granulin domain) |
| Amino Acids | 593 aa |
| Pathways | Autophagy, Immune Response |
| UniProt ID | P28799 |
| Ensembl ID | ENSG00000030582 |
| GeneCards | GRN |
| Human Protein Atlas | GRN |
| Associated Diseases | Aging, Als, Alzheimer, Alzheimer's disease |
| Interactions | Actin, AD, ALS, ALZHEIMER, ALZHEIMER DISEASE, ALZHEIMER'S DISEASE |
| KG Connections | 985 knowledge graph edges |
| Databases | GeneCardsNCBI GeneHPASTRING |
Knowledge base pages for this entity
graph TD
GRN["GRN"]
GRN -->|"encodes"| progranulin["progranulin"]
GRN -->|"regulates"| microglia["microglia"]
GRN -->|"inhibits"| aberrant_microglia_activation["aberrant microglia activation"]
GRN -->|"causes"| lysosomal_dysfunction["lysosomal dysfunction"]
GRN -->|"activates"| Alzheimer["Alzheimer"]
GRN -->|"activates"| Dementia["Dementia"]
GRN -->|"activates"| Als["Als"]
GRN -->|"target for"| Amyotrophic_Lateral_Sclerosis["Amyotrophic Lateral Sclerosis"]
CTSB["CTSB"] -->|"activates"| GRN
C1QA["C1QA"] -->|"activates"| GRN
SPP1["SPP1"] -->|"activates"| GRN
C9ORF72["C9ORF72"] -->|"target for"| GRN
GENES["GENES"] -->|"target for"| GRN
DNA["DNA"] -->|"activates"| GRN
FUS["FUS"] -->|"target for"| GRN
ALZHEIMER_S_DISEASE["ALZHEIMER'S DISEASE"] -->|"target for"| GRN
ACE["ACE"] -->|"target for"| GRN| Target | Relation | Type | Str |
|---|---|---|---|
| benchmark_ot_ad_answer_key:GRN | data_in | dataset_row | 0.00 |
| ds-83b31ef18d49 | provides_data_for | dataset | 1.00 |
| Neuronal ceroid lipofuscinosis | causes | disease | 0.95 |
| Frontotemporal Dementia | risk_factor_for | disease | 0.95 |
| Frontotemporal Lobar Degeneration | risk_factor_for | disease | 0.95 |
| Lysosomal Function | involved_in | process | 0.95 |
| Astrocyte Toxicity | mediates | mechanism | 0.90 |
| microglial inflammatory response | suppresses | process | 0.85 |
| Alzheimer Disease | risk_factor_for | disease | 0.85 |
| Neuroinflammation | regulates | process | 0.85 |
| TAR | interacts_with | gene | 0.80 |
| neuronal ceroid lipofuscinosis | causes | disease | 0.80 |
| FTLD | implicated_in | disease | 0.80 |
| frontotemporal dementia | causes | disease | 0.80 |
| Disease Pathogenesis | involved_in | process | 0.80 |
| Inflammation | therapeutic_target | disease | 0.75 |
| Als | therapeutic_target | disease | 0.75 |
| Dementia | therapeutic_target | disease | 0.75 |
| Dementia | causes | disease | 0.75 |
| Neurodegeneration | therapeutic_target | disease | 0.75 |
| Amyotrophic Lateral Sclerosis | therapeutic_target | disease | 0.75 |
| RAGE | disrupts | gene | 0.70 |
| LEWY BODY DEMENTIA | disrupts | disease | 0.70 |
| MACROPHAGE | regulates | cell_type | 0.70 |
| MACROPHAGE | causes | cell_type | 0.70 |
| MAPT | markers | gene | 0.70 |
| MICROGLIA | expresses | cell_type | 0.70 |
| TREM2 | expresses | gene | 0.70 |
| OLIGODENDROCYTE | markers | cell_type | 0.70 |
| TREM2 | inhibits | gene | 0.70 |
| OLIGODENDROCYTES | markers | cell_type | 0.70 |
| STING | markers | gene | 0.70 |
| VCP | activates | gene | 0.70 |
| NEURONS | associated_with | cell_type | 0.70 |
| STING | degrades | gene | 0.70 |
| SQSTM1 | activates | gene | 0.70 |
| NEURONS | markers | cell_type | 0.70 |
| MAPT | activates | gene | 0.70 |
| MICROGLIA | protects_against | cell_type | 0.70 |
| microglia | regulates | cell_type | 0.70 |
| frontotemporal dementia | associated_with | disease | 0.70 |
| aberrant microglia activation | inhibits | process | 0.70 |
| Parkinson's disease | causes | disease | 0.70 |
| lysosomal dysfunction | causes | process | 0.70 |
| RNA | associated_with | gene | 0.70 |
| ubiquitin-proteasome | participates_in | pathway | 0.70 |
| autophagy pathway | participates_in | pathway | 0.70 |
| neurodegeneration | interacts_with | disease | 0.70 |
| frontotemporal lobar degeneration | associated_with | disease | 0.70 |
| neurodegeneration | regulates | disease | 0.70 |
| Source | Relation | Type | Str |
|---|---|---|---|
| benchmark_ot_ad_answer_key:GRN | data_in | dataset_row | 0.00 |
| ds-83b31ef18d49 | data_in | dataset | 1.00 |
| SPP1 | upregulates | gene | 0.90 |
| ALZHEIMER DISEASE | associated_with | gene | 0.80 |
| DNA | interacts_with | gene | 0.80 |
| GPNMB | associated_with | gene | 0.80 |
| APOE | expresses | gene | 0.70 |
| AMPK | activates | gene | 0.70 |
| AMYOTROPHIC LATERAL SCLEROSIS | associated_with | disease | 0.70 |
| APOE | protects_against | gene | 0.70 |
| C9ORF72 | markers | gene | 0.70 |
| FRONTOTEMPORAL DEMENTIA | associated_with | disease | 0.70 |
| BIN1 | interacts_with | gene | 0.70 |
| BIN1 | targets | gene | 0.70 |
| CD2AP | causes | gene | 0.70 |
| APOE | causes | gene | 0.70 |
| FTD | protects_against | disease | 0.70 |
| C9ORF72 | interacts_with | gene | 0.70 |
| FTD | regulates | disease | 0.70 |
| NEURODEGENERATION | therapeutic_target | gene | 0.70 |
| NEURODEGENERATIVE DISEASES | therapeutic_target | gene | 0.70 |
| GENES | therapeutic_target | gene | 0.70 |
| FTLD | regulates | gene | 0.70 |
| DEMENTIA | interacts_with | disease | 0.65 |
| CORTEX | treats | brain_region | 0.65 |
| LYSOSOMAL DYSFUNCTION | treats | phenotype | 0.65 |
| NEURONS | activates | cell_type | 0.65 |
| NEURON | treats | cell_type | 0.65 |
| FRONTOTEMPORAL DEMENTIA | causes | disease | 0.65 |
| TREM2 | treats | gene | 0.65 |
| ASTROCYTE | associated_with | gene | 0.65 |
| TMEM106B | increases_risk | gene | 0.65 |
| TMEM106B | causes | gene | 0.65 |
| CLU | associated_with | gene | 0.65 |
| FUS | co_discussed | gene | 0.65 |
| TREM2 | interacts_with | gene | 0.65 |
| FUS | causes | gene | 0.60 |
| C9ORF72 | causes | gene | 0.60 |
| BIN1 | associated_with | entity | 0.60 |
| C9ORF72 | protects_against | gene | 0.60 |
| MAPT | associated_with | gene | 0.60 |
| FUS | therapeutic_target | gene | 0.60 |
| CD2AP | associated_with | entity | 0.60 |
| TAU | therapeutic_target | gene | 0.60 |
| IDUA | therapeutic_target | gene | 0.60 |
| SPP1 | activates | gene | 0.60 |
| ATP13A2 | regulates | gene | 0.60 |
| PILRA | therapeutic_target | gene | 0.60 |
| GAIN | associated_with | gene | 0.60 |
| GBA | regulates | gene | 0.60 |
Hypotheses where this entity is a therapeutic target
| Hypothesis | Score | Disease | Analysis |
|---|---|---|---|
| Astrocyte-Neuron Metabolic Coupling Failure Precedes Neurode | 0.690 | neurodegeneration | Gap 006 analysis (archived stub) |
Scientific analyses that reference this entity
neurodegeneration | 2026-04-03 | 7 hypotheses Top: 0.726
Experimental studies targeting or related to this entity
| Experiment | Type | Disease | Score | Feasibility | Model | Status | Est. Cost |
|---|---|---|---|---|---|---|---|
| Presymptomatic GRN Carrier Intervention Timing — Biomarker-Guided Ther | clinical | Neurodegeneration | 0.400 | 0.50 | human | proposed | $5,460,000 |
Scientific publications cited in analyses involving this entity
| Title & PMID | Authors | Journal | Year | Citations |
|---|---|---|---|---|
| No papers found | ||||
Multi-agent debates referencing this entity