Journal ArticleDOI
Keeping p53 in check: essential and synergistic functions of Mdm2 and Mdm4.
Jean-Christophe Marine,Sarah Francoz,Marion M. Maetens,Geoffrey M. Wahl,Franck Toledo,Franck Toledo,Guillermina Lozano +6 more
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TLDR
This work presents a novel and scalable approach to gene expression engineering that allows for real-time annotation of gene expression changes in response to cancerigenicity and shows promise in finding novel and efficient treatments for cancer.Abstract:
1 Laboratory For Molecular Cancer Biology, Flanders Interuniversity Institute for Biotechnology (VIB), University of Ghent, Technologiepark, 927, Ghent B9052, Belgium 2 Salk Institute for Biological Studies, Gene Expression Laboratory, La Jolla, CA 92037, USA 3 Gene Expression and Diseases Unit, Institut Pasteur, Paris, France 4 The University of Texas Graduate School of Biomedical Sciences and department of Molecular Genetics, Section of Cancer Genetics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA * Corresponding author: J-C Marine, Laboratory For Molecular Cancer Biology, VIB, Technologiepark, 927, Ghent B-9052, Belgium. Tel: þ 32-93-313-640; Fax: þ 32-93-313-516; E-mail: chris.marine@dmbr.ugent.beread more
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Dissertation
Impact des dérégulations de p53 : du syndrome Li-Fraumeni aux syndromes d'insuffisance médullaire héréditaire
TL;DR: De facon surprenante, ces fonctions insoupconnees sont impliquees dans the promotion of l’instabilite genetique and une activite accrue de p53 peut entrainer des maladies d’insuffisance medullaire predisposant au cancer.
Dissertation
The regulation of p53-dependent microRNA expression in response to genotoxic stress
TL;DR: The p53 pathway and miRNAs and results indicate that the regulation of p53-dependent microRNA expression in response to genotoxic stress is regulated by the E2F1 western blotting technique.
Journal ArticleDOI
Endoplasmic reticulum rather than mitochondria plays a major role in the neuronal apoptosis induced by polybrominated diphenyl ether-153.
Xin Li,Xiaorong Yang,Lijun Chang,Zemin Wang,Tong Wang,Zhihong Zhang,Jianying Bai,Ruifeng Liang,Qiao Niu,Hongmei Zhang +9 more
TL;DR: It is concluded that BDE-153 induced neuronal apoptosis was dependent on p53, and mediated more by ER than mitochondria in the cerebral cortex of rats and in primary neurons, providing scientific evidence for the mechanism and intervention study on PBDE's neurotoxicity.
References
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Journal ArticleDOI
WAF1, a potential mediator of p53 tumor suppression
Wafik S. El-Deiry,Takashi Tokino,Victor E. Velculescu,Daniel B. Levy,Ramon Parsons,Jeffrey M. Trent,D Lin,W. Edward Mercer,Kenneth W. Kinzler,Bert Vogelstein +9 more
TL;DR: A gene is identified, named WAF1, whose induction was associated with wild-type but not mutant p53 gene expression in a human brain tumor cell line and that could be an important mediator of p53-dependent tumor growth suppression.
Journal ArticleDOI
In vivo activation of the p53 pathway by small-molecule antagonists of MDM2.
Lyubomir T. Vassilev,Binh Thanh Vu,Bradford Graves,Daisy Carvajal,Frank John Podlaski,Zoran Filipovic,Norman Kong,Ursula Kammlott,Christine Lukacs,Christian Klein,Nader Fotouhi,Liu Emily Aijun +11 more
TL;DR: In this article, the authors identify potent and selective small-molecule antagonists of MDM2 and confirm their mode of action through the crystal structures of complexes, leading to cell cycle arrest, apoptosis, and growth inhibition of human tumor xenografts.
Journal ArticleDOI
Mdm2 promotes the rapid degradation of p53
TL;DR: It is proposed that the Mdm2-promoted degradation of p53 provides a new mechanism to ensure effective termination of the p53 signal.
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Regulation of p53 stability by Mdm2
TL;DR: It is shown that interaction with Mdm2 can also result in a large reduction in p53 protein levels through enhanced proteasome-dependent degradation, which may contribute to the maintenance of low p53 concentrations in normal cells.
Journal ArticleDOI
Oncoprotein MDM2 is a ubiquitin ligase E3 for tumor suppressor p53
TL;DR: The data suggest that the MDM2 protein, which is induced by p53, functions as a ubiquitin ligase, E3, in human papillomavirus‐uninfected cells which do not have E6 protein.