HomeAboutRankingsData Sources
© 2026 GeneE
🧬
GeneE
50 sources retrieved · Most recent: April 2026 · Index updated 14 days ago
ⓘGeneE is for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.
HSPA8
heat shock protein family A (Hsp70) member 8
Chromosome 11 · 11q24.1
NCBI Gene: 3312Ensembl: ENSG00000109971.15HGNC: HGNC:5241UniProt: P11142
990PubMed Papers
20Diseases
2Drugs
0Pathogenic Variants
FUNCTIONAL ROLE
Highly ConstrainedHub GeneTranscription Factor
RESEARCH IMPACT
Highly StudiedTrending
CLINICAL
Clinical Trials
DATA QUALITY
✓ Experimental GO Evidence✓ Swiss-Prot Reviewed
membraneubiquitin protein ligase bindingheat shock protein bindingclathrin coat disassemblydengue diseasesystemic lupus erythematosussmoking initiationadolescent idiopathic scoliosis
✦AI Summary

HSPA8 is a constitutively expressed molecular chaperone that performs diverse cellular functions through ATP-dependent conformational changes 1. Its primary function involves protein quality control, including folding of newly synthesized proteins, refolding of misfolded proteins, and targeting proteins for degradation 1. The protein operates through cycles of ATP binding, hydrolysis, and ADP release, with co-chaperones regulating substrate specificity and fate decisions between folding and degradation pathways. HSPA8 plays a critical role in chaperone-mediated autophagy by recognizing proteins containing KFERQ motifs and facilitating their lysosomal degradation. Beyond protein homeostasis, HSPA8 functions as an 'amyloidase' that disassembles functional RHIM-containing amyloids to suppress necroptosis signaling 2. The protein also regulates ferroptosis, a form of iron-dependent cell death, by modulating SLC7A11/GPX4 signaling pathways 34. In disease contexts, HSPA8 demonstrates dual roles: it can promote cancer progression by suppressing ferroptosis in hepatocellular carcinoma and cholangiocarcinoma 35, while also participating in innate immune responses through interaction with DNA-PK pathways 6. Additionally, HSPA8 contributes to cardiovascular pathology, with expression changes associated with myocardial ischemia-reperfusion injury 7 and diabetic kidney disease through SREBP regulation 8.

Sources cited
1
HSPA8 is a constitutively expressed chaperone central to many cellular processes with regulatory role in autophagy
PMID: 24121476
2
HSPA8 acts as an amyloidase that disassembles RHIM-containing functional amyloids to suppress necroptosis signaling
PMID: 37580406
3
HSPA8 suppresses ferroptosis in liver cancer by upregulating SLC7A11/GPX4 expression
PMID: 36745032
4
LACTB suppresses liver cancer by blocking HSPA8 transcription, leading to ferroptosis activation
PMID: 39047638
5
RPL35A promotes cholangiocarcinoma progression by mediating HSPA8 ubiquitination
PMID: 38395908
6
FEZ1 phosphorylation regulates HSPA8 localization and interferon-stimulated gene expression through DNA-PK pathway
PMID: 35172151
7
HSPA8 identified as key ferroptosis-related gene in myocardial ischemia-reperfusion injury
PMID: 39520298
8
HSPA8 dampens SREBP activation by reducing PKR-mediated INSIG phosphorylation in diabetic kidney disease
PMID: 39977267
Disease Associationsⓘ20
dengue diseaseOpen Targets
0.51Moderate
systemic lupus erythematosusOpen Targets
0.37Weak
smoking initiationOpen Targets
0.21Weak
adolescent idiopathic scoliosisOpen Targets
0.12Weak
Lennox-Gastaut syndromeOpen Targets
0.12Weak
hepatocellular carcinomaOpen Targets
0.11Weak
neoplasmOpen Targets
0.10Suggestive
triple-negative breast cancerOpen Targets
0.09Suggestive
cancerOpen Targets
0.09Suggestive
colorectal carcinomaOpen Targets
0.09Suggestive
SepsisOpen Targets
0.08Suggestive
acute myeloid leukemiaOpen Targets
0.08Suggestive
nasopharyngeal carcinomaOpen Targets
0.08Suggestive
infectionOpen Targets
0.07Suggestive
coronary artery diseaseOpen Targets
0.07Suggestive
renal carcinomaOpen Targets
0.07Suggestive
breast cancerOpen Targets
0.07Suggestive
autoimmune thrombocytopenic purpuraOpen Targets
0.07Suggestive
Parkinson diseaseOpen Targets
0.07Suggestive
cardiomyopathyOpen Targets
0.06Suggestive
Pathogenic Variants
No pathogenic variants reported on ClinVar for this gene.
View on ClinVar ↗
Drug Targets2
FORIGERIMODPhase III
Heat shock cognate 71 kDa protein inhibitor
systemic lupus erythematosus
FORIGERIMOD ACETATEPhase III
Heat shock cognate 71 kDa protein inhibitor
systemic lupus erythematosus
Related Genes
BAG1Protein interaction100%SERPINH1Protein interaction100%HSPA1BProtein interaction100%CDC5LProtein interaction100%CWC15Protein interaction100%BCAS2Protein interaction100%
Tissue Expression6 tissues
Brain
100%
Heart
87%
Lung
50%
Liver
50%
Bone Marrow
38%
Ovary
37%
Gene Interaction Network
Click a node to explore
HSPA8BAG1SERPINH1HSPA1BCDC5LCWC15BCAS2
PROTEIN STRUCTURE
Preparing viewer…
PDB5AQM · 1.63 Å · X-ray
View on RCSB ↗
Constraintⓘ
LOEUFⓘ
0.12Highly Constrained
pLIⓘ
1.00Intolerant
Observed/Expected LoF0.04 [0.01–0.12]
RankingsWhere HSPA8 stands among ~20K protein-coding genes
  • #163of 20,598
    Most Researched990 · top 1%
  • #110of 17,882
    Most Constrained (LOEUF)0.12 · top 1%
Genes detectedHSPA8
Sources retrieved50 papers
Response time—
📄 Sources
50▼
1
HSPA8/HSC70 chaperone protein: structure, function, and chemical targeting.
PMID: 24121476
Autophagy · 2013
1.00
2
RPL35A promotes the progression of cholangiocarcinoma by mediating HSPA8 ubiquitination.
PMID: 38395908
Biol Direct · 2024
0.90
3
BAG5 regulates HSPA8-mediated protein folding required for sperm head-tail coupling apparatus assembly.
PMID: 38454159
EMBO Rep · 2024
0.84
4
Arginine methylation of HSPA8 by PRMT9 inhibits ferroptosis to accelerate hepatitis B virus-associated hepatocellular carcinoma progression.
PMID: 37715221
J Transl Med · 2023
0.80
5
HBx-Induced HSPA8 Stimulates HBV Replication and Suppresses Ferroptosis to Support Liver Cancer Progression.
PMID: 36745032
Cancer Res · 2023
0.80