HSP90AA1 Recombinant Monoclonal Antibody

1. RPAP3 provides a flexible scaffold for coupling HSP90 to the human R2TP co-chaperone complex. PMID: 29662061
2. The study shows that a conserved tryptophan in the middle domain senses the interaction of Hsp90 with a stringent client protein and transfers this information via a cation-pi interaction with a neighboring lysine. PMID: 29662162
3. While activation in c-Src is strictly controlled by ATP-binding and phosphorylation, the authors find that activating conformational transitions are spontaneously sampled in Hsp90-dependent Src mutants. PMID: 28290541
4. chemotherapy agents can induce HSP90AA1 expression in osteosarcoma cells. And HSP90AA1, acting as an important regulator of autophagy, is a critical factor in the development of osteosarcoma chemoresistance both in vitro and in vivo. HSP90AA1 provides a novel therapeutic target for improving osteosarcoma treatment. PMID: 30153855
5. We confirm that miR-628-3p promotes apoptosis and inhibits migration in A549 cells by negatively regulating HSP90. Our results may reveal a novel strategy for lung cancer treatment PMID: 29888262
6. Data recognize HSP90 as a novel binding partner of PKM2 in hepatocellular carcinoma (HCC) cells. HSP90 potentiates the glycolysis and proliferation, reduces the apoptosis and thus enhances the growth of HCC cells through PKM2 Thr-328 phosphorylation maintaining its stability. PMID: 29262861
7. EGFR expression stratified most pronounced among HSP90low tumours, where the EGFRhigh phenotype was associated with longer survival PMID: 28765916
8. the SGT1-HSP90 complex contributes to the E3 ligase activity of the CUL4A complex that is necessary for CENP-A ubiquitylation and CENP-A deposition at the centromere. PMID: 28816574
9. our data suggested that Hsp90alpha could positively regulate the self-renewal of BCSCs by facilitating the nuclear translocation of c-Myc and EZH2 to maintain BMI1 expression. PMID: 28914785
10. HSP90 contributes to cutaneous vasodilation via NOS-dependent mechanisms in young habitually active men during exercise in the heat. PMID: 28751373
11. The association between the MEEVD C-terminal peptide from the heat shock protein 90 (Hsp90) and tetratricopeptide repeat A (TPR2A) domain of the heat shock organizing protein (Hop) is a useful prototype to study the fundamental molecular details about the Hop-Hsp90 interaction. Observed are conformational changes of the peptide and the protein receptor induced by binding. The binding free energy is 8.4 kcal/mol. PMID: 28723223
12. Our findings demonstrate Hsp90 blockade leads to ICN1 destabilization, providing an alternative strategy to antagonize oncogenic Notch1 signaling with Hsp90-selective inhibitors PMID: 28143869
13. Generated multiple mutant KRAS-driven cancer cell lines with acquired resistance to the purine-scaffold HSP90 inhibitor PU-H71. Report a Y142N missense mutation in the ATP-binding domain of HSP90alpha that co-occurred with amplification of the HSP90AA1 locus in resistant cells. PMID: 28032595
14. ATM is the primary kinase responsible for phosphorylation of Hsp90alpha after exposure ionizing radiation. PMID: 27738310
15. molecular modeling was employed to incorporate experimental data using partial constructs of the Hsp90 C-terminal domain. PMID: 27771574
16. findings suggested that this mechanism may be exploited by the Hsp90-Cdc37 chaperone to recruit and protect intrinsically dynamic kinase clients from degradation PMID: 29267381
17. The findings establish an active role for Tsc1 as a facilitator of Hsp90-mediated folding of kinase and non-kinase clients-including Tsc2-thereby preventing their ubiquitination and proteasomal degradation. PMID: 29127155
18. Data indicate HSP90 inhibitors as a class of preferred drugs for treatment combination with immunotherapy. PMID: 28878208
19. Data suggest that SOCS3 is an important signaling protein in CLL, and Hsp90 inhibitors represent an approach to target transcriptional repression in B cell lymphoproliferative disorders. PMID: 27107422
20. FKBP51 is primarily localized in mitochondria and hTERT is totally nuclear, upon the onset of oxidative stress, FKBP51 (but not FKBP52) becomes mostly nuclear colocalizing with hTERT, and longer exposure times to peroxide favors hTERT export to mitochondria. PMID: 27233944
21. High HSP90 expression is associated with Colorectal Cancers. PMID: 28870917
22. High HSP90 expression is associated with prostate cancer. PMID: 28038472
23. Data suggest HSP90AA1-dependent regulation of ATM-NBN-CHK2 and ATR-CHK1 axes influences cells capability to repair double-stranded DNA damage; mechanisms include phosphorylation, polyubiquitination, and proteasomal degradation/proteolysis. (HSP90AA1 = heat shock protein 90kDa alpha; ATM = ataxia telangiectasia mutated protein; NBN = nibrin; CHK = checkpoint kinase; ATR = ataxia telangiectasia and Rad3 related kinase) PMID: 28631426
24. Data show that pyruvate kinase M2 (PKM2) directly interacted with mutant growth factor receptor (EGFR) and heat-shock protein 90 (HSP90), and thus stabilized EGFR by maintaining its binding with HSP90 and co-chaperones. PMID: 26500058
25. Binding of FM807 to the N-terminus of Hsp90 disrupted Hsp90/client complexes, resulting in degradation of the Hsp90 client protein EGFR and inhibition of the downstream pathway. PMID: 28157708
26. Conventional as well as scaled molecular dynamics simulations further demonstrate that citrullination of selected Arg residues leads to progressive disruption of HSP90 tertiary structure, promoting exposure of R502/R510 to PAD modification and subsequent autoantibody binding. PMID: 27448590
27. SYK is an HSP90 client protein, and B-cell receptor signaling-dependent phosphorylation of HSP90 on Y197 is required for this interaction. HSP90 promotes Burkitt lymphoma cell survival by maintaining tonic B-cell receptor signaling. PMID: 28064214
28. Data indicate a chaperone function of nicotinamide mononucleotide adenylyl transferase 2 (NMNAT2), independent from its enzymatic activity, and NMNAT2 complexes with heat shock protein 90 (HSP90) to refold aggregated protein substrates. PMID: 27254664
29. In the bound state, the Hsp90 dimer predominantly populates an open conformation, and transthyretin retains its globular structure. PMID: 28218749
30. CD30 facilitates phosphorylation of heat shock factor 1, activates heat shock promoter element, and induces heat shock protein (HSP) 90. PMID: 27870927
31. However, once the mumps virus L protein formed a mature polymerase complex with the P protein, Hsp90 activity was no longer required for the stability and activity of the L protein. PMID: 28053100
32. HSP90 may be essential for stabilization and function of P2X7Rs through an action on the cysteine-rich domain of the cytoplasmic the C-terminus. PMID: 27301716
33. HSP90AA1 and AB1 genes exhibit low expression in breast cancers highly sensitive to chemotherapy and may indicate the patients with higher probability of pathological complete response. PMID: 28051275
34. the effect of HSP90 inhibition on IL-17-mediated cytokine and antimicrobial peptide expression in keratinocytes following heat treatment, was examined. PMID: 27279135
35. epididymis secretory protein 4 had better specificity than CA125 in discriminating ovarian cancer, and endometrial cancer from benign gynecological diseases in southern China population PMID: 27302312
36. Hsp90 has roles in the regulation of autophagy, such as toll-like receptor (TLR)-mediated autophagy, Ulk1-mediated mitophagy, and chaperone-mediated autophagy (CMA) [review] PMID: 26432328
37. this study identified HSP90AA1 as a new potential biomarker for Behcet's disease by comparing highly ranked genes from all the built network-derived gene lists, which was confirmed the with real-world clinical samples PMID: 27226232
38. Data show that heat shock protein 90 (HSP90) inhibitor 17-DMAG caused loss of ret proto-oncogene protein (RET) and proto-oncogene protein erbB-3 (ERBB3) phosphorylation and lead to rapid cell death. PMID: 26595521
39. Hsp103 associates with cochaperone proteins, such as Hop, Cdc37 and Aha1, similar to Hsp90. The extra domain reduces the ATP hydrolysis when compared to Hsp90 thereby acting as a negative regulator of the chaperones intrinsic ATPase activity. PMID: 23951259
40. Data suggest that synergistic mechanism between heat shock protein 90 (Hsp90) inhibitor SNX-7081 and fludarabine nucleoside (2-FaraA) may provide an alternative treatment for chronic lymphocytic leukemia (CLL) patients with p53 protein mutations. PMID: 26556860
41. The expression of HSP90A was increased in the HCC cells, serum, and tissues. Immunohistochemistry analysis on 76 clinical tissue samples also suggested the relevance between HSP90A expression and HCC metastatic behavior. PMID: 26704341
42. Aarsd1 inhibits the activity of a paradigmatic Hsp90 client protein. PMID: 26884463
43. study confirmed Hsp90 as an influenza virus A PB2 polymerase interacting protein, and established that Hsp90 interacts with both the E627 and 627K variants, but has established this interaction is species independent, and both mammalian and avian Hsp90 can bind to the PB2 protein PMID: 26616658
44. Data show that high-affinity heat shock protein 90 (HSP90) binding conferred by the inhibitor backbone could be exploited for conjugate accumulation within tumor cells. PMID: 26271675
45. In conjunction with HSP90, the cytoplasmic USP19 may play a key role in triage decision for the disease-related polyQ-expanded substrates, suggesting a function of USP19 in quality control of misfolded proteins by regulating their protein levels PMID: 26808260
46. The region of aa 250-295 of BGLF4 is essential for the BGLF4/Hsp90 interaction. PMID: 26982469
47. The thermodynamics of binding of Cyp-40 to Hsp90 shows remarkable temperature sensitivity in the physiological temperature range. PMID: 26330616
48. HSP90 overexpression is a prognostic marker for cholangiocarcinoma. HSP90-targeted therapy may be an option for a subset of cholangiocarcinoma. PMID: 26141945
49. From our screening methodology, we identified HCAb2 as a breast tumor specific heavy chain antibody targeting cell surface heat shock protein 90. PMID: 26334999
50. Heat shock protein 90 is required for ex vivo neutrophil-driven autoantibody-induced tissue damage in experimental epidermolysis bullosa acquisita. PMID: 25739426

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HGNC: 5253

OMIM: 140571

KEGG: hsa:3320

STRING: 9606.ENSP00000335153

UniGene: Hs.525600