HSPB1 Antibody

Code CSB-PA002985
Size US$100
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  • Western Blot analysis of Jurkat cells using HSP27 Polyclonal Antibody
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Product Details

Uniprot No.
Target Names
Alternative Names
Heat shock 27kDa protein antibody; 28 kDa heat shock protein antibody; CMT2F antibody; DKFZp586P1322 antibody; epididymis secretory protein Li 102 antibody; Estrogen regulated 24 kDa protein antibody; Estrogen-regulated 24 kDa protein antibody; Heat shock 25kDa protein 1 antibody; Heat shock 27 kDa protein antibody; Heat shock 27kD protein 1 antibody; Heat shock 27kDa protein 1 antibody; Heat shock 28kDa protein 1 antibody; Heat Shock Protein 27 antibody; Heat shock protein beta 1 antibody; Heat shock protein beta-1 antibody; heat shock protein family B (small) member 1 antibody; HEL-S-102 antibody; HMN2B antibody; HS.76067 antibody; Hsp 25 antibody; HSP 27 antibody; Hsp 28 antibody; Hsp B1 antibody; Hsp25 antibody; HSP27 antibody; Hsp28 antibody; HspB1 antibody; HSPB1_HUMAN antibody; SRP27 antibody; Stress responsive protein 27 antibody; Stress-responsive protein 27 antibody
Raised in
Species Reactivity
Synthesized peptide derived from Human HSP27 around the non-phosphorylation site of S78.
Immunogen Species
Homo sapiens (Human)
Purification Method
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
It differs from different batches. Please contact us to confirm it.
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Tested Applications
Recommended Dilution
Application Recommended Dilution
WB 1:500-1:2000
IHC 1:100-1:300
ELISA 1:20000
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

Small heat shock protein which functions as a molecular chaperone probably maintaining denatured proteins in a folding-competent state. Plays a role in stress resistance and actin organization. Through its molecular chaperone activity may regulate numerous biological processes including the phosphorylation and the axonal transport of neurofilament proteins.
Gene References into Functions
  1. Data suggest that both the small heat shock protein HspB1/Hsp27 and the constitutive chaperone Hsc70/HspA8 interact with tau to prevent tau-fibril/amyloid formation. HspB1 delays tau-fibril formation by weakly interacting with early species in aggregation process. (HspB1 = heat shock protein family B small member 1; Hsc70 = heat shock protein family A Hsp70) PMID: 29298892
  2. HSP27 is a partner of JAK2-STAT5 and a potential therapeutic target in myelofibrosis. PMID: 29650953
  3. Results show that HSP27 expression is significantly increased in metastatic prostate cancer and represents a strong marker predicting survival, along with ALDH6A1 and prohibitin. PMID: 30396985
  4. High HSP27 expression is associated with breast cancer. PMID: 30106436
  5. our data suggest that overexpression of peroxiredoxin-2, annexin A2, and heat shock protein beta-1 was correlated with tumor invasion, metastasis, and poor prognosis, and therefore, these proteins may serve as potential diagnostic and therapeutic biomarkers. PMID: 29332450
  6. ETAS down-regulated HSP27 and pHSP27 (serine 78) in KLM1-R cells, but, HSP70 and GRP78 levels were not altered. This study suggests the potential therapeutic benefit of ETAS in enhancing anticancer effects by its combination with gemcitabine for patients with pancreatic cancer PMID: 29936456
  7. Silencing of HSP27 increases curcumin resistance by reducing apoptosis and reactive oxidative stress production in colon cancer. PMID: 30056019
  8. The expression of type I and III collagen in the TGF-beta1induced transition of A549 cells to myofibroblasts was significantly downregulated by transfection of A549 cells with HSP27 plasmid Dinterfering sequence and optimal ratio of Lipofectamine(R) 2000 and HSP27 plasmid. PMID: 29568951
  9. It was suggested that the HSP27 expression in EUS-FNA samples was useful for predicting GEM sensitivity. PMID: 29695571
  10. High hsp27 expression is associated with leukemia. PMID: 29328466
  11. p-Hsp27 is a novel biomarker of glioma and might have important clinical value for further classification of patients with wild-type IDH1 and normal ATRX expression and for evaluating prognosis. PMID: 29550762
  12. Dimer-monomer equilibrium of human HSP27 is influenced by the in-cell macromolecular crowding environment and is controlled by fatty acids and heat. PMID: 29635040
  13. HSP27 expression promotes vascular smooth muscle cell viability, suppresses cell apoptosis, and confers protection against oxidative stress in Thoracic aortic dissection. PMID: 29209372
  14. Hsp27 and P38MAPK could be used as prognostic factors in Esophageal squamous cell carcinoma. PMID: 29099815
  15. Addition of apatorsen to chemotherapy does not improve outcomes in unselected patients with metastatic pancreatic cancer in the first-line setting, although a trend toward prolonged PFS and OS in patients with high baseline serum Hsp27 suggests this therapy may warrant further evaluation in this subgroup PMID: 28935773
  16. High HSP27 expression is associated with non-small cell lung cancer metastasis. PMID: 28656293
  17. Knockdown of HSP27 blocked TGF-beta-induced cisplatin resistance. PMID: 28848138
  18. The expression of HSP27 was approximately 2-fold higher in apical periodontitis. Next, an increased expression of HSP27 was detected in epithelial cells PMID: 28673495
  19. Findings indicate the heat-shock protein 27 (Hsp27) pathway as a therapeutic target for the management of conditions featuring dysregulated interleukin 1 beta (IL-1beta) production. PMID: 27976724
  20. Increased protein level of HSP27 through SUMO2/3-mediated SUMOylation plays crucial roles in the progression of primary hepatocellular carcinoma. PMID: 28665748
  21. When the correlations of the markers with the response to neoadjuvant chemotherapy were examined, only high pre-chemotherapy levels of cytoplasmic HSPB1/p correlated with a poor clinical and pathological response to neoadjuvant cisplatin chemotherapy (p = 0.056) suggesting that this marker could be useful opening its study in a larger number of cases. PMID: 28608263
  22. Exposure to cetuximab and various concentration of AG490, an inhibitor of JAK2, STAT3 and HSP27 protein levels, except in the KRAS G12V mutant line, SW620...cetuximab may promote SN38 sensitivity via suppression of HSP27, through blocking the JAK/STAT signaling pathway, and shows synergistic effects when combined with SN38 in wild-type RAS CRC cells. PMID: 28656305
  23. we concluded that HSP27-silenced placenta-derived multipotent cells differentiated into neurons possessing the characteristics of functional glutamatergic neurons. PMID: 27444754
  24. Data show that Hsp27increases degradation rate of ubiquitinated MST1 and therefore interrupts the Hippo pathway kinase cascade. Consequently YAP and TAZ are less phosphorylated, free to translocate into the nucleus promoting a malignant phenotype. These findings underscore the central importance of Hsp27 in regulating multiple signaling pathways that promote tumor aggressiveness. PMID: 27555231
  25. upregulation of Hsp27 is a common phenomenon shared between pregnancies in patients with preterm prelabor rupture of membranes and spontaneous preterm labor with intact membranes PMID: 28497897
  26. HSP27 is an independent predictor of prognosis in chronic HF PMID: 28844461
  27. Hsp27 may up-regulate the expression of ABCA1 and promotes cholesterol efflux through activation of the PI3K/PKCzeta/Sp1 signal pathway in THP-1 macrophage-derived foam cells PMID: 28610841
  28. This study reports solution-state nuclear magnetic resonance spectroscopy investigations of the conformation and dynamics of the disordered and flexible C-terminal region of human HSP27. These data indicate a potential role for cis-trans proline isomerization in regulating the oligomerization. PMID: 28547731
  29. Overexpression of both HSPB5 and Hsp27 significantly reduced the intracellular aggregation of alpha-synuclein. PMID: 28337642
  30. HspB1 structural organization displays dynamic and complex rearrangements in response to changes in the cellular environment or when the cell physiology is modified. [review] PMID: 28144778
  31. Glutathione-S-transferase - HspB1 fusion protein prevents more aggregation of malate dehydrogenase compared to glutathione-S-transferase -HspB5 fusion protein and wild type HspB1. PMID: 28130664
  32. The data suggest that oncogene-addicted cells require the small heat-shock protein of 27 kDa (HSP27) for survival and that HSP27 might interfere with the effectiveness of targeted agents. PMID: 28182330
  33. Data indocate six cytostatic drugs which inhibit heat shock 27 kDa protein (HSP27) and tackle drug resistance by computational drug repositioning approach. PMID: 27626687
  34. Different from C-M-T phenotype in hereditary neuropathies caused by mutations in the HSPB1 gene. PMID: 27816334
  35. found knock down of HSPB1 further increased the proportion of apoptotic cells in hyperthermic treated melanoma cells when compared with either single agent alone, and both agents leaded to cell cycle arrest at G0/G1 or G2/M phases PMID: 27626679
  36. Data suggest that altered dimerization of HSP27 represents a good strategy for anticancer therapy in HSP27-overexpressing cancer cells. PMID: 27449291
  37. Apatorsen ( 2'-methoxyethyl-modified antisense oligonucleotide that inhibits Hsp27 expression)was tolerated at the highest dose evaluated (1000 mg). Single-agent activity was suggested by changes in tumor markers, circulating tumor cells , and stable measurable disease PMID: 27022067
  38. this results show the central role of Hsp27 in RACK1 pseudosubstrate or LPS-induced cell activation of primary leukocytes PMID: 27178349
  39. High p-Hsp27 expression is associated with cisplatin resistance in lung cancer. PMID: 26872057
  40. Low p-Hsp27 expression is associated with pancreatic cancer. PMID: 26895107
  41. The up-regulation of Hsp27 by E2 is mediated by ERalpha/Sp1. PMID: 27179757
  42. Study report a novel interaction between mutant HSPB1-P182L and the RNA binding protein PCBP1, leading to a reduction in its translational repression activity. Identifying PCBP1 mRNA targets revealed a marked prevalence for an RNA recognition motif, preferably seen in their 5' and 3'UTRs. Findings further support a role for mutant HSPB1 in neurodegenerative diseases. PMID: 28077174
  43. Hsp 70 and Hsp 27 were expressed in middle ear effusions PMID: 28964286
  44. High Hsp27 expression is associated with Thyroid Tumors. PMID: 26970173
  45. Bradykinin stimulates myofibroblast migration through protein kinase D-mediated activation of COX-2 and Hsp27. PMID: 28032559
  46. Data suggest that HSPB6 forms hetero-oligomers with HSPB1 under the following rules: (1) highly conserved motif RLFDQXFG is necessary for subunit exchange among oligomers, (2) a site about 20 residues downstream of this motif determines size of resultant hetero-oligomers, and (3) a region in the N-terminal domain that is unique to HSPB6 dictates preferential formation of heterodimers. (HSP = heat shock protein) PMID: 28487364
  47. TNF-alpha stimulates colonic myofibroblast migration through P38 MAPK-mediated activation of COX-2 and Hsp27. PMID: 27451881
  48. The potency of the sHsps to suppress aggregation of model substrates is correlated with their ability to form stable substrate complexes; especially HspB1 and HspB5, but also B3, bind tightly to a variety of proteins PMID: 27909051
  49. This work examines the molecular mechanism by which two canonical sHsps, alphaB-crystallin (alphaB-c) and Hsp27, interact with aggregation-prone alpha-syn to prevent its aggregation in vitro Both sHsps are very effective inhibitors of alpha-syn aggregation PMID: 27587396
  50. This study highlights a novel relation between serum pHSP27 and BMD in Indian women however, these findings need to be confirmed in larger studies PMID: 27241641

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Involvement in disease
Charcot-Marie-Tooth disease 2F (CMT2F); Neuronopathy, distal hereditary motor, 2B (HMN2B)
Subcellular Location
Cytoplasm. Nucleus. Cytoplasm, cytoskeleton, spindle.
Protein Families
Small heat shock protein (HSP20) family
Tissue Specificity
Detected in all tissues tested: skeletal muscle, heart, aorta, large intestine, small intestine, stomach, esophagus, bladder, adrenal gland, thyroid, pancreas, testis, adipose tissue, kidney, liver, spleen, cerebral cortex, blood serum and cerebrospinal f
Database Links

HGNC: 5246

OMIM: 602195

KEGG: hsa:3315

STRING: 9606.ENSP00000248553

UniGene: Hs.520973

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