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Keywords: p53
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Biochem J (2020) 477 (10): 1795–1811.
Published: 21 May 2020
... osteoblasts increased expressions of glycolysis-related enzymes such as Glut1, hexokinase 1 and 2, lactate dehydrogenase A and pyruvate kinase M2 during their differentiation. Osteoblast differentiation decreased expression of tumor suppressor p53, which negatively regulates Glut1 expression, and enhanced...
Includes: Supplementary data
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Biochem J (2020) 477 (8): 1499–1513.
Published: 29 April 2020
...; however, there was an increase in Mrp4 and a decrease in Abcg2 in Hfe −/− mice. As ABCG2 mediates intestinal excretion of UA and mutations in ABCG2 cause hyperuricemia, we examined the potential connection between iron and ABCG2. We found p53-responsive elements in h ABCG2 promoter and confirmed...
Includes: Supplementary data
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Biochem J (2020) 477 (1): 111–120.
Published: 08 January 2020
..., such as oligomers and amyloid fibrils. p53 is an essential tumor suppressor that is prone to such conformational transitions, resulting in its compromised ability to avert cancer. This work explores the biophysical properties of early-, mid-, and late-stage p53 core domain (p53C) aggregates. Atomistic and coarse...
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Biochem J (2019) 476 (21): 3401–3411.
Published: 15 November 2019
... with intrinsic disorder regions. HDM2 is a hub protein with a large interactome and with different cellular functions. It is best known for its regulation of the p53 tumour suppressor. Under normal cellular conditions, HDM2 ubiquitinates and degrades p53 by the 26S proteasome but after DNA damage, HDM2 switches...
Includes: Supplementary data
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Biochem J (2016) 473 (15): 2295–2314.
Published: 28 July 2016
... have been identified that appear to be important in maintaining basal levels of mitochondrial content and function. These include PGC-1α, p53, mechanistic target of rapamycin (mTOR) and sirtuin 1 (SIRT1). Genetic inactivation of the genes encoding these proteins leads to impaired mitochondrial...
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Biochem J (2015) 471 (1): 67–77.
Published: 21 September 2015
... (ataxia telangiectasia mutated) and ATR (ataxia telangiectasia- and Rad3-related), which induce phosphorylation of various target proteins [ 1 – 4 ]. One of the important targets is the tumour suppressor protein p53, a transcription factor that promotes expression of genes involved in cell cycle arrest...
Includes: Supplementary data
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Biochem J (2015) 469 (3): 325–346.
Published: 23 July 2015
...David W. Meek p53 has been studied intensively as a major tumour suppressor that detects oncogenic events in cancer cells and eliminates them through senescence (a permanent non-proliferative state) or apoptosis. Consistent with this role, p53 activity is compromised in a high proportion of all...
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Biochem J (2014) 464 (3): 377–386.
Published: 05 December 2014
...Cong Ren; Seong-Jun Cho; Yong-Sam Jung; Xinbin Chen POLH (DNA polymerase η), a target of p53 tumour suppressor, plays a key role in TLS (translesion DNA synthesis). Loss of POLH is responsible for the human cancer-prone syndrome XPV (xeroderma pigmentosum variant). Owing to its critical role in DNA...
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Biochem J (2014) 461 (1): 137–146.
Published: 13 June 2014
.... In the present study, we showed that Drp1 (dynamin-related protein 1), a primary mitochondrial fission protein, stabilizes the well-known stress gene p53 and is required for p53 translocation to the mitochondria under conditions of oxidative stress. We found that Drp1 binding to p53 induced mitochondria-related...
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Biochem J (2012) 443 (2): 407–416.
Published: 27 March 2012
... nuclear factor) and p53 binding sites within this region that were required for constitutive promoter activity, which was decreased by TGF-β1 through an Alk5-dependent mechanism. TGF-β1 treatment decreased HNF binding to the miR-194-2/192 promoter, whereas knockdown of HNF-1 inhibited mature miR-192...
Includes: Supplementary data
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Biochem J (2011) 437 (3): 443–453.
Published: 13 July 2011
.../p53-mediated apoptosis in tumour cells by targeting mitochondria. In the present study, we found that p38 MAPK (p38 mitogen-activated protein kinase) is the molecular link in the phosphorylation cascade connecting AMPK to p53. Transfection of SH-SY5Y cells with a dominant-negative mutant of AMPK...
Includes: Supplementary data
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Biochem J (2011) 437 (1): 89–96.
Published: 14 June 2011
.... This was associated with decreased survivin mRNA and promoter activity, suggesting a decrease in transcription. Levels of p53, a negative transcriptional regulator of survivin, increased following HuR overexpression, in conjunction with enhanced p53 mRNA stability. Silencing p53 prior to HuR overexpression resulted...
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Biochem J (2011) 435 (1): 127–142.
Published: 15 March 2011
..., as purified HSPA6 could not chaperone heat-unfolded luciferase but was able to assist in reactivation of heat-unfolded p53. So, even within the highly sequence-conserved HSPA family, functional differentiation is larger than expected, with HSPA6 being an extreme example that may have evolved to maintain...
Includes: Supplementary data
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Biochem J (2011) 434 (2): 275–285.
Published: 11 February 2011
... checkpoint’ function through both p53-dependent and p53-independent mechanisms. In the present study, we demonstrate a novel p53-independent interaction between p14 ARF and the adenovirus oncoprotein E1A. p14 ARF inhibits E1A transcriptional function and promotes ubiquitination-dependent degradation of E1A...
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Biochem J (2009) 422 (3): 543–551.
Published: 27 August 2009
...Hanshao Liu; Hoi Chin Hew; Zheng-Guang Lu; Tomoko Yamaguchi; Yoshio Miki; Kiyotsugu Yoshida Transcriptional regulation of the p53 tumour suppressor gene plays an important role in the control of the expression of various target genes involved in the DNA damage response. However, the molecular basis...
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Biochem J (2009) 418 (3): 643–650.
Published: 25 February 2009
... that p53 regulates the expression of the APP gene in neuroblastoma cells. Transient expression of ectopic p53, activation of endogenous p53 by the DNA-damaging drug camptothecin or Mdm2 (murine double minute 2) depletion decreases the intracellular levels of APP in murine N2aβ neuroblastoma cells...
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Biochem J (2009) 418 (3): 575–585.
Published: 25 February 2009
...Susanne Pettersson; Michael Kelleher; Emmanuelle Pion; Maura Wallace; Kathryn L. Ball Mdm2 (murine double minute 2)-mediated ubiquitination of the p53 tumour suppressor requires interaction of the ligase at two distinct binding sites that form general multiprotein-docking sites for the p53 protein...
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Biochem J (2008) 413 (2): 349–357.
Published: 26 June 2008
... on nuclear receptors, whereas ANCO-1 stimulated p53-mediated transactivation. These data suggest that ADA3 is a newly identified target of the ANCO proteins, which may modulate co-activator function in a transcription-factor-specific manner. 1 Present address: Merck Research Laboratories, 126 E...
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Biochem J (2007) 407 (3): 451–460.
Published: 12 October 2007
... to the SIRT1-targeted domain of the p53 tumour suppressor protein. Cultures of arrested cells, via contact inhibition or DNA damage, exhibited decreased Rb phosphorylation and increased Rb acetylation. Overexpression of SIRT1 in either confluent or etoposide-treated cells resulted in a significant reduction...
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Biochem J (2007) 406 (3): 437–444.
Published: 29 August 2007
...A. Hari Kishore; Kiran Batta; Chandrima Das; Shipra Agarwal; Tapas K. Kundu The tumour suppressor protein p53 regulates the expression of several genes that mediate cell cycle arrest, apoptosis, DNA repair and other cellular responses. Recently, we have shown that human transcriptional co-activator...
Includes: Supplementary data
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Biochem J (2007) 404 (3): 509–516.
Published: 29 May 2007
... of cytosolic substrates (p53 and p27 kip1 ) and of those targeted to ER (endoplasmic reticulum)-associated degradation (uncleaved precursor of asialoglycoprotein receptor H2a). Degradation resumed soon after the protein synthesis arrest that occurs in early UPR subsided. Consistent with this, protein synthesis...
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Biochem J (2006) 393 (2): 489–501.
Published: 23 December 2005
...Jialiang Wang; Xiaping He; Ying Luo; Wendell G. Yarbrough The tumour suppressor ARF (alternative reading frame) is encoded by the INK4a (inhibitor of cyclin-dependent kinase 4)/ ARF locus, which is frequently altered in human tumours. ARF binds MDM2 (murine double minute 2) and releases p53 from...
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Biochem J (2005) 391 (3): 503–511.
Published: 25 October 2005
... is selectively cytotoxic to cancer cells. We have recently shown that ectopic expression of FDH in A549 lung cancer cells induces G1 arrest and apoptosis that was accompanied by elevation of p53 and its downstream target, p21. It was not known, however, whether FDH-induced apoptosis is p53-dependent...
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Biochem J (2004) 380 (1): 289–295.
Published: 15 May 2004
... Hippel–Lindau protein)-dependent ubiquitination and subsequent 26 S-proteasomal degradation of HIF-1α. Besides HIF-1, the transcription factor and tumour suppressor p53 accumulates and is activated under conditions of prolonged/severe hypoxia. Recently, the interaction between p53 and HIF-1α was reported...
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Biochem J (2002) 365 (3): 765–772.
Published: 01 August 2002
... and stabilized without obvious activation of endogenous hTERT and c-Myc expression. In T-HME cells, the expression of two p53 regulated genes p21 WAF and HDM2 increased (as in primary senescent HME cells), and was found to be further elevated as the function of p53 was activated by treatment with DNA-damaging...