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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Interacts with HSP70 and can stimulate its ATPase activity. Stimulates the association between HSC70 and HIP. Negatively regulates heat shock-induced HSF1 transcriptional activity during the attenuation and recovery phase period of the heat shock response. Stimulates ATP hydrolysis and the folding of unfolded proteins mediated by HSPA1A/B (in vitro).
基因功能參考文獻(xiàn):
this study shows that DNAJB1/HSP40 suppresses Melanoma Differentiation-Associated Gene 5-Mitochondrial Antiviral Signaling Protein function in conjunction with HSP70 PMID: 29069650
Modeling of the different conformations of PRKACA-DNAJB1 Chimeric Kinase revealed no obvious steric interactions of the J-domain with the rest of the RIIbeta holoenzyme. PMID: 29335433
Data show that DnaJ (Hsp40) homolog, subfamily B, member 1 (DNAJB1) is a transcriptional target of forkhead box protein E3 (FOXE3) in a pathway that is crucial for the development of the anterior segment of the eye. PMID: 27218149
These results indicate that Mixed fibrolamellar hepatocellular carcinoma (mFL-HCC) is similar to pure FL-HCC at the genomic level and the DNAJB1:PRKACA fusion can be used as a diagnostic tool for both pure and mFL-HCC PMID: 27029710
These studies demonstrate an important role for cellular chaperone Hsp40/DnaJB1 in influenza A virus life cycle by assisting nuclear trafficking of viral ribonucleoproteins. PMID: 26750153
DNAJB1-PRKACA was evaluated as a key driver of fibrolamellar carcinoma and as a candidate therapeutic target PMID: 26505878
study provides a new molecular mechanism to regulate EGFR signaling through modulation of MIG6 by DNAJB1 as a negative regulator. PMID: 26239118
Whole exome sequencing followed by immunohistochemistry of fibrolamellar hepatocellular carcinoma cell lines and tumors showed two structural variants resulting in fusion transcripts: DNAJB1-PRKCA and CLPTM1L-GLIS3. PMID: 25122662
In this cohort of fibrolamellar hepatocellular carcinoma, almost 80% contained the DNAJB1-PRKACA fusion transcript. PMID: 25557953
Authors identified DNAJB1 as a negative regulator of PDCD5-mediated apoptosis and found that the apoptosis network of PDCD5 regulates cancer cell death. PMID: 25444898
We also found that, despite an initial report to the contrary, the human homolog of Sis1, Hdj1, is capable of [PSI+] prion propagation in place of Sis1 PMID: 25058638
HSP40 interacts with pyruvate kinase M2 and regulates glycolysis and cell proliferation in tumor cells. PMID: 24658033
Studies with specific phosphoantibodies indicate that MK5 phosphorylates Hsp40/DnaJB1 in vivo at Ser-149 or/and Ser-151 and Ser-171 in the C-terminal domain of Hsp40/DnaJB1. PMID: 24309468
Evidence supporting the presence of the DNAJB1-PRKACA chimeric transcript in 100% of the FL-HCCs examined (15/15) suggests that this genetic alteration contributes to tumor pathogenesis. PMID: 24578576
we discovered a new MDM2 interacting protein, DNAJB1, and provided evidence to support its p53-dependent tumor suppressor function. PMID: 24361594
HSP40 and HSP110 function together in protein homeostasis control. PMID: 24091676
methionine deprivation results in an antioxidant response that includes an increase in the levels of HSPA1A and DNAJB1 mRNA PMID: 23395854
There was a positive correlation between DnaJB1 and severity of pulmonary arterial hypertension in peripheral blood mononuclear cells from patients with limited cutaneous systemic sclerosis. PMID: 23400395
Hsp40 regulates the amount of keratin proteins via ubiquitin-proteasome pathway. PMID: 22075554
Mammalian Hsp110 (Apg-2), Hsp70 (Hsc70 or Hsp70) and Hsp40 (Hdj1) were necessary and sufficient to slowly dissolve large disordered aggregates and recover natively folded protein PMID: 22022600
Cellular localization studies showed that NP and Hsp40 co-localize primarily in the nucleus. During IAV infection in mammalian cells, expression of NP coincided with the dissociation of P58(IPK) from Hsp40 and decrease PKR phosphorylation PMID: 21698289
The antiviral activity of overexpressed DNAJC14 occurs in a time- and dose-dependent manner. PMID: 21249176
The crystal structure of full-length Hdj1 was diffracted to 3.90A resolution. PMID: 21139202
5-fluorouracil & carboplatin specifically induce expression of Hsp40 in hepatoma cells. siRNA knockdown of Hsp40 diminishes survival of drug-exposed cells. PMID: 19901540
Altered expression of HSPF1 was found in brains and lymphoblastoid cells from patients with bipolar disorder. PMID: 14743183
sequestered in discrete foci in the nucleus of the infected cell in herpes simplex virus type 1 infection PMID: 15194794
It is confirmed an increased expression of HSPF1 in the lymphoblastoid cell lines from patients with bipolar I disorder, bipolar II disorder, and schizophrenia. PMID: 15362566
Hsp40 is crucial for Nef-mediated enhancement of viral gene expression and replication PMID: 16179353
hepatitis B virus X protein is the major target of Hdj1 in the inhibition of hepatitis B virus replication PMID: 16842747
These results demonstrate a role for Hsp40/DnaJB6 in the regulation of HIV-2 PIC nuclear transport. PMID: 18032501
The 2.7A structure reveals that Hdj1 forms a homodimer in the crystal by a crystallographic two-fold axis. PMID: 18211704
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亞細(xì)胞定位:
Cytoplasm. Nucleus. Nucleus, nucleolus. Note=Translocates rapidly from the cytoplasm to the nucleus, and especially to the nucleoli, upon heat shock.