Entity Detail — Knowledge Graph Node
This page aggregates everything SciDEX knows about FGF21: 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.
FGF21 encodes a metabolic regulator of the FGF19 subfamily with emerging roles in neuroprotection, neuroinflammation, synaptic plasticity, and potential therapeutic applications in Alzheimer's and Parkinson's diseases.
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| Gene Symbol | FGF21 |
| Full Name | Fibroblast Growth Factor 21 |
| Chromosome | 12q13 |
| Function | encodes a member of the FGF19 subfamily of fibroblast growth factors that functions primarily as a metabolic regulator. |
| Molecular Weight | 22.5 kDa |
| Amino Acids | 209 aa |
| Pathways | Apoptosis, Autophagy, Mtor |
| UniProt ID | Q9NS73 |
| NCBI Gene ID | 26291 |
| Ensembl ID | ENSG00000163410 |
| OMIM | 609436 |
| GeneCards | FGF21 |
| Human Protein Atlas | FGF21 |
| Associated Diseases | Aging, Als, Alzheimer, Amyotrophic Lateral Sclerosis Survival, diabetes |
| Known Drugs/Compounds | metformin |
| Interactions | ACE2, Actin, AGING, AKT, ALOX15, ALZHEIMER |
| KG Connections | 500 knowledge graph edges |
| Databases | GeneCardsHPASTRING |
Knowledge base pages for this entity
flowchart TD
FGF21["FGF21
Fibroblast Growth
Factor 21"]
FGFR1["FGFR1
FGF Receptor 1"]
JMJD3["JMJD3
Histone Demethylase"]
LipidCat["Lipid Catabolism
Metabolic Process"]
Inflammation["Inflammation
Immune Response"]
Neuroinflam["Neuroinflammation
CNS Inflammation"]
ALS["ALS
Amyotrophic Lateral
Sclerosis"]
MS["Multiple Sclerosis
Demyelinating
Disease"]
Stroke["Stroke
Cerebrovascular
Disease"]
Ischemia["Ischemia
Reduced Blood Flow"]
Aging["Aging
Cellular Senescence"]
Senescence["Senescence
Age-related
Decline"]
Fibrosis["Fibrosis
Tissue Scarring"]
Diabetes["Diabetes
Metabolic
Dysfunction"]
FattyLiver["Fatty Liver
Hepatic Steatosis"]
FGF21 -->|"interacts with"| FGFR1
FGF21 -->|"activates"| JMJD3
FGF21 -->|"promotes"| LipidCat
FGF21 -->|"biomarker for"| Inflammation
FGF21 -->|"biomarker for"| ALS
FGF21 -->|"biomarker for"| Aging
FGF21 -->|"biomarker for"| Senescence
FGF21 -->|"protects against"| Inflammation
FGF21 -->|"protects against"| Neuroinflam
FGF21 -->|"prevents"| FattyLiver
FGF21 -->|"therapeutic target"| Stroke
FGF21 -->|"therapeutic target"| MS
FGF21 -->|"therapeutic target"| Fibrosis
Inflammation -->|"leads to"| Neuroinflam
Neuroinflam -->|"contributes to"| ALS
Neuroinflam -->|"contributes to"| MS
Ischemia -->|"triggers"| Stroke
style FGF21 fill:#006494
style FGFR1 fill:#4a1a6b
style JMJD3 fill:#4a1a6b
style LipidCat fill:#1b5e20
style Inflammation fill:#ef5350
style Neuroinflam fill:#ef5350
style ALS fill:#5d4400
style MS fill:#5d4400
style Stroke fill:#5d4400
style Aging fill:#ef5350
style Fibrosis fill:#ef5350| Target | Relation | Type | Str |
|---|---|---|---|
| Septic Liver Injury | associated_with | disease | 0.95 |
| Septic Liver Injury | treats | phenotype | 0.95 |
| Subarachnoid Hemorrhage | protects_against | disease | 0.95 |
| Inflammation | inhibits | process | 0.95 |
| Proinflammatory Macrophage Activation | inhibits | process | 0.95 |
| Hepatic Autophagy | activates | process | 0.95 |
| Neuroinflammation | associated_with | process | 0.95 |
| Parkinson's disease | protects_against | disease | 0.92 |
| Lipid Degradation | activates | process | 0.92 |
| cGAS-STING | inhibits | pathway | 0.90 |
| Autophagy | promotes | process | 0.90 |
| Mitophagy | associated_with | process | 0.90 |
| dopaminergic neuron survival | promotes | phenotype | 0.89 |
| PKA | activates | protein | 0.88 |
| microglia activation | modulates | process | 0.88 |
| mitochondrial homeostasis | promotes | process | 0.87 |
| STING | inhibits | protein | 0.85 |
| Hepatosteatosis | modulates | phenotype | 0.85 |
| Diabetes-Associated Cognitive Impairment | mediates | disease | 0.85 |
| Myogenesis | promotes | process | 0.85 |
| Amyotrophic Lateral Sclerosis Survival | associated_with | phenotype | 0.85 |
| Muscle Atrophy | expressed_in | phenotype | 0.85 |
| HIF-1α | modulates | protein | 0.85 |
| Non-alcoholic Fatty Liver Disease | treats | disease | 0.85 |
| Sepsis | treats | disease | 0.85 |
| Insulin Sensitivity | regulates | phenotype | 0.85 |
| CGAS | inhibits | protein | 0.85 |
| Non-Alcoholic Fatty Liver Disease | treats | disease | 0.85 |
| autophagy pathway | participates_in | pathway | 0.80 |
| dopaminergic neuron | stimulates_differentiation | cell_type | 0.80 |
| ACE2 | interacts_with | gene | 0.80 |
| ERK1/2 | activates | pathway | 0.80 |
| MITOPHAGY | promotes | process | 0.80 |
| Stress-Induced Cytotoxicity | inhibits | process | 0.80 |
| cGAS-STING pathway | inhibits | pathway | 0.80 |
| Parkinson's Disease | associated_with | disease | 0.80 |
| IL-6 | activates | gene | 0.80 |
| Aging | therapeutic_target | disease | 0.75 |
| Inflammation | therapeutic_target | disease | 0.75 |
| Aging | activates | disease | 0.75 |
| Als | therapeutic_target | disease | 0.75 |
| Inflammation | activates | disease | 0.75 |
| SOD1 | co_expressed_with | protein | 0.75 |
| Als | activates | disease | 0.75 |
| Aging | associated_with | process | 0.75 |
| Diabetes | activates | disease | 0.75 |
| JMJD3 | activates | protein | 0.72 |
| hepatocellular carcinoma | protects_against | disease | 0.70 |
| pancreatic ductal adenocarcinoma | protects_against | disease | 0.70 |
| fatty liver | protects_against | disease | 0.70 |
| Source | Relation | Type | Str |
|---|---|---|---|
| Fasting | activates | process | 0.90 |
| Methionine Restriction | activates | process | 0.90 |
| Dietary Restriction | modulates | process | 0.85 |
| BCAA | associated_with | chemical | 0.80 |
| EXERCISE | activates | gene | 0.80 |
| AGING | therapeutic_target | gene | 0.70 |
| SIRT1 | regulates | gene | 0.70 |
| BDNF | activates | gene | 0.70 |
| MTDNA | activates | gene | 0.60 |
| AGING | contributes_to | gene | 0.60 |
| ACE2 | regulates | gene | 0.60 |
| ACE2 | activates | gene | 0.60 |
| metformin | targets | drug | 0.60 |
| ULK1 | activates | gene | 0.60 |
| CXCL10 | activates | gene | 0.60 |
| PLAU | activates | gene | 0.60 |
| FGF23 | activates | gene | 0.60 |
| APP | biomarker_for | gene | 0.60 |
| FGFR1 | activates | gene | 0.60 |
| ATG7 | activates | gene | 0.60 |
| COMPLEMENT | biomarker_for | gene | 0.60 |
| MTORC1 | regulates | gene | 0.60 |
| APOPTOSIS | protects_against | gene | 0.60 |
| NOX4 | activates | gene | 0.60 |
| PPAR | inhibits | gene | 0.60 |
| MTOR | regulates | gene | 0.60 |
| AKT | phosphorylates | gene | 0.60 |
| AGING | regulates | gene | 0.60 |
| NAD | regulates | gene | 0.60 |
| AUTOPHAGY | regulates | gene | 0.60 |
| NEUROINFLAMMATION | activates | gene | 0.60 |
| GLUT4 | activates | gene | 0.60 |
| NEUROINFLAMMATION | inhibits | gene | 0.60 |
| DNA | activates | gene | 0.60 |
| APOPTOSIS | inhibits | gene | 0.60 |
| CGAS-STING | inhibits | gene | 0.60 |
| RNA | activates | gene | 0.60 |
| SOD1 | activates | gene | 0.60 |
| SOD2 | activates | gene | 0.60 |
| CGAS | activates | gene | 0.60 |
| ALOX15 | regulates | gene | 0.60 |
| ALOX15 | activates | gene | 0.60 |
| GENES | activates | gene | 0.60 |
| INSULIN RESISTANCE | implicated_in | gene | 0.60 |
| ALZHEIMER'S DISEASE | activates | gene | 0.60 |
| IGF-1 | biomarker_for | gene | 0.60 |
| AGING | activates | gene | 0.60 |
| NEURODEGENERATION | activates | gene | 0.60 |
| INSULIN RESISTANCE | activates | gene | 0.60 |
| OXIDATIVE STRESS | activates | gene | 0.60 |
Hypotheses where this entity is a therapeutic target
| Hypothesis | Score | Disease | Analysis |
|---|---|---|---|
| No targeting hypotheses | |||
Scientific analyses that reference this entity
No analyses mention this entity
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
No debates reference this entity
Hypotheses and analyses mentioning FGF21 in their description or question text
No additional research found