protein 1,646 words KG: GFAP 2026-03-21
kind:proteinsection:proteinsstate:published
Contents

GFAP (Glial Fibrillary Acidic Protein)

🔬 Protein Info
Gene SymbolGFAP
AliasesGlial Fibrillary Acidic Protein Gene, Glial Fibrillary Acidic Protein
Chromosome17q21.31
Protein FamilyType III intermediate filament protein
Protein TypeBiomarker / Structural Protein
Target ClassStructural Protein
FunctionBiomarker readout — GFAP levels reflect astrocyte reactivity; modulating upstream pathways (e.g., NF-κB, JAK-STAT) reduces GFAP expression
Mechanism of ActionBiomarker readout — GFAP levels reflect astrocyte reactivity; modulating upstream pathways (e.g., NF-κB, JAK-STAT) reduces GFAP expression
Primary ExpressionCytoplasm (cytoskeletal intermediate filament)
Subcellular LocalizationCytoplasm (cytoskeletal intermediate filament)
DruggabilityMedium (0.52)
Clinical StagePhase II
Molecular Weight~50 kDa
Amino Acids432 aa
Exons9
PathwaysAmyloid, Er Stress, Inflammasome, Innate Immunity, Mapk
UniProt IDP14136
GeneCardsGFAP
Human Protein AtlasGFAP
Associated DiseasesALEXANDER_DISEASE, ALS, ALZHEIMER'S DISEASE, ALZHEIMER_DISEASE, ASTROGLIAL_ACTIVATION, AXONAL DEGENERATION
Known Drugs/CompoundsMETFORMIN, Hormones, BPMC, rapamycin, metformin, VANADIUM
InteractionsMMP9, TNF, TLR4, MMP2, TMEM119, NFL
SciDEX TargetView Target Profile (8 clinical trials)
SciDEX HypothesesHeterogeneous astrocyte activation states differen
GFAP-Positive Reactive Astrocyte Subtype Delineati
KG Connections3103 knowledge graph edges
DatabasesGeneCardsNCBI GeneHPASTRING

Knowledge Graph

Related Hypotheses (30)

Heterogeneous astrocyte activation states differentially imp
Score: 0.52
Astrocyte-Mediated Microglial Memory Erasure
Score: 0.46
GFAP-Positive Reactive Astrocyte Subtype Delineation
Score: 0.52
Engineered Apolipoprotein E4-Neutralizing Shuttle Peptides
Score: 0.51
The Glial Ketone Metabolic Shunt Hypothesis
Score: 0.40

Related Analyses (30)

Neuroinflammation and microglial priming in early Alzheimer'
neurodegeneration · archived
Mechanistic validation of SEA-AD differential expression hyp
neurodegeneration · failed
Do these mechanistic hypotheses explain layer-specific synap
neurodegeneration · failed
Do these mechanistic hypotheses from the SEA-AD Atlas bundle
neurodegeneration · failed
Selective vulnerability of entorhinal cortex layer II neuron
neurodegeneration · archived

Related Experiments (30)

Plasma ATN biomarkers across AD continuum in Chilean cohort
clinical · proposed · Score: 0.95
Real-world safety study of Lecanemab in Japanese AD patients
clinical · proposed · Score: 0.95
GWAS of plasma GFAP in East Asian cohort
exploratory · proposed · Score: 0.95
GWAS of composite biomarker score
exploratory · proposed · Score: 0.90
iPSC-NPC effects on astrocytes in vitro ICH model
exploratory · proposed · Score: 0.90

See Also (5)

Aging vs Neurodegeneration: Mechanistic Comparison Matr
mechanism · KG edge: associated_with
ACTB Gene
gene · KG edge: associated_with
ACSL4 Gene - Acyl-CoA Synthetase Long Chain Family Memb
gene · KG edge: co_discussed
ABCA7 (Redirect)
redirect · KG edge: associated_with
A Phase 3, Randomised, Double-blinded, Placebo-controll
clinical · Pages share 3 hypotheses

Knowledge Graph (12 edges)

GFAP co_discussed MMP9
GFAP expressed_in NOTCH1
GFAP expressed_in SOX2
GFAP expressed_in VIMENTIN
GFAP regulates MANF
GFAP regulates MBP
GFAP regulates TUBULIN
GFAP loss_affects astrocyte
GFAP co_discussed NEURON
GFAP co_discussed NEURONS