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  • 1
    Publication Date: 2012-04-14
    Description: The Drosophila dorsal-ventral (DV) axis is polarized when the oocyte nucleus migrates from the posterior to the anterior margin of the oocyte. Prior work suggested that dynein pulls the nucleus to the anterior side along a polarized microtubule cytoskeleton, but this mechanism has not been tested. By imaging live oocytes, we find that the nucleus migrates with a posterior indentation that correlates with its direction of movement. Furthermore, both nuclear movement and the indentation depend on microtubule polymerization from centrosomes behind the nucleus. Thus, the nucleus is not pulled to the anterior but is pushed by the force exerted by growing microtubules. Nuclear migration and DV axis formation therefore depend on centrosome positioning early in oogenesis and are independent of anterior-posterior axis formation.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3459055/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3459055/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Tongtong -- Graham, Owen S -- Raposo, Alexandre -- St Johnston, Daniel -- 080007/Wellcome Trust/United Kingdom -- 092096/Wellcome Trust/United Kingdom -- A14492/Cancer Research UK/United Kingdom -- Cancer Research UK/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2012 May 25;336(6084):999-1003. doi: 10.1126/science.1219147. Epub 2012 Apr 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Gurdon Institute and the Department of Genetics, University of Cambridge, Cambridge, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22499806" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Patterning ; Cell Nucleus/*physiology/ultrastructure ; Cell Polarity ; Centrosome/physiology ; Drosophila ; Drosophila Proteins/physiology ; Dyneins/physiology ; Microtubule-Organizing Center/physiology/ultrastructure ; Microtubules/*physiology/ultrastructure ; Movement ; Mutation ; Nuclear Envelope/physiology/ultrastructure ; Oocytes/*physiology/ultrastructure ; *Oogenesis
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2013-07-23
    Description: Pluripotent stem cells can be induced from somatic cells, providing an unlimited cell resource, with potential for studying disease and use in regenerative medicine. However, genetic manipulation and technically challenging strategies such as nuclear transfer used in reprogramming limit their clinical applications. Here, we show that pluripotent stem cells can be generated from mouse somatic cells at a frequency up to 0.2% using a combination of seven small-molecule compounds. The chemically induced pluripotent stem cells resemble embryonic stem cells in terms of their gene expression profiles, epigenetic status, and potential for differentiation and germline transmission. By using small molecules, exogenous "master genes" are dispensable for cell fate reprogramming. This chemical reprogramming strategy has potential use in generating functional desirable cell types for clinical applications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hou, Pingping -- Li, Yanqin -- Zhang, Xu -- Liu, Chun -- Guan, Jingyang -- Li, Honggang -- Zhao, Ting -- Ye, Junqing -- Yang, Weifeng -- Liu, Kang -- Ge, Jian -- Xu, Jun -- Zhang, Qiang -- Zhao, Yang -- Deng, Hongkui -- New York, N.Y. -- Science. 2013 Aug 9;341(6146):651-4. doi: 10.1126/science.1239278. Epub 2013 Jul 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Life Sciences and Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23868920" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cadherins/genetics ; Cell Engineering/*methods ; Cellular Reprogramming/*drug effects/genetics ; Epithelial-Mesenchymal Transition/drug effects/genetics ; Fibroblasts/cytology/*drug effects ; Gene Expression Profiling ; Green Fluorescent Proteins/genetics ; Induced Pluripotent Stem Cells/*cytology/metabolism ; Mice ; Mice, Inbred C57BL ; Mice, Inbred ICR ; Octamer Transcription Factor-3/genetics/metabolism ; Promoter Regions, Genetic/drug effects ; Small Molecule Libraries/chemistry/*pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2016-04-29
    Description: Synthetic methods produce libraries of colloidal nanocrystals with tunable physical properties by tailoring the nanocrystal size, shape, and composition. Here, we exploit colloidal nanocrystal diversity and design the materials, interfaces, and processes to construct all-nanocrystal electronic devices using solution-based processes. Metallic silver and semiconducting cadmium selenide nanocrystals are deposited to form high-conductivity and high-mobility thin-film electrodes and channel layers of field-effect transistors. Insulating aluminum oxide nanocrystals are assembled layer by layer with polyelectrolytes to form high-dielectric constant gate insulator layers for low-voltage device operation. Metallic indium nanocrystals are codispersed with silver nanocrystals to integrate an indium supply in the deposited electrodes that serves to passivate and dope the cadmium selenide nanocrystal channel layer. We fabricate all-nanocrystal field-effect transistors on flexible plastics with electron mobilities of 21.7 square centimeters per volt-second.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Choi, Ji-Hyuk -- Wang, Han -- Oh, Soong Ju -- Paik, Taejong -- Sung, Pil -- Sung, Jinwoo -- Ye, Xingchen -- Zhao, Tianshuo -- Diroll, Benjamin T -- Murray, Christopher B -- Kagan, Cherie R -- New York, N.Y. -- Science. 2016 Apr 8;352(6282):205-8. doi: 10.1126/science.aad0371.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. Complex Assemblies of Soft Matter, CNRS-SOLVAY-PENN UMI 3254, Bristol, PA 19007-3624, USA. Rare Metals Research Center, Korea Institute of Geoscience and Mineral Resources, 124 Gwahang-no, Yuseong-Gu, Daejeon, 305-350, Korea. ; Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. Department of Materials Science and Engineering, Korea University, Seoul 136-713, Korea. ; Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. Complex Assemblies of Soft Matter, CNRS-SOLVAY-PENN UMI 3254, Bristol, PA 19007-3624, USA. ; Department of Materials Science and Engineering, Yonsei University, Seoul 120-747, Korea. ; Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104, USA. Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA. kagan@seas.upenn.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27124455" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2018-12-04
    Description: Purpose: Prostate cancers show remarkable resistance to emerging immunotherapies, partly due to tolerogenic STAT3 signaling in tumor-associated myeloid cells. Here, we describe a novel strategy combining STAT3 inhibition with Toll-like Receptor 9 (TLR9) stimulation to unleash immune response against prostate cancers regardless of the genetic background. Experimental Design: We developed and validated a conjugate of the STAT3 antisense oligonucleotide (ASO) tethered to immunostimulatory TLR9 agonist (CpG oligonucleotide) to improve targeting of human and mouse prostate cancer and myeloid immune cells, such as myeloid-derived suppressor cells (MDSC). Results: CpG-STAT3ASO conjugates showed improved biodistribution and potency of STAT3 knockdown in target cells in vitro and in vivo . Systemic administration of CpG-STAT3ASO (5 mg/kg) eradicated bone-localized, Ras/Myc -driven, and Pten pc –/– Smad4 pc –/– Trp53 c –/– prostate tumors in the majority of treated mice. These antitumor effects were primarily immune-mediated and correlated with an increased ratio of CD8 + to regulatory T cells and reduced pSTAT3 + /PD-L1 + MDSCs. Both innate and adaptive immunity contributed to systemic antitumor responses as verified by the depletion of Gr1 + myeloid cells and CD8 + and CD4 + T cells, respectively. Importantly, only the bifunctional CpG-STAT3ASO, but not control CpG oligonucleotides, STAT3ASO alone, or the coinjection of both oligonucleotides, succeeded in recruiting neutrophils and CD8 + T cells into tumors. Thus, the concurrence of TLR9 activation with STAT3 inhibition in the same cellular compartment is indispensable for overcoming tumor immune tolerance and effective antitumor immunity against prostate cancer. Conclusions: The bifunctional, immunostimulatory, and tolerance-breaking design of CpG-STAT3ASO offers a blueprint for the development of effective and safer oligonucleotide strategies for treatment of immunologically "cold" human cancers.
    Print ISSN: 1078-0432
    Electronic ISSN: 1557-3265
    Topics: Medicine
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  • 5
    Publication Date: 2012-04-13
    Description: Autism spectrum disorders (ASD) are believed to have genetic and environmental origins, yet in only a modest fraction of individuals can specific causes be identified. To identify further genetic risk factors, here we assess the role of de novo mutations in ASD by sequencing the exomes of ASD cases and their parents (n = 175 trios). Fewer than half of the cases (46.3%) carry a missense or nonsense de novo variant, and the overall rate of mutation is only modestly higher than the expected rate. In contrast, the proteins encoded by genes that harboured de novo missense or nonsense mutations showed a higher degree of connectivity among themselves and to previous ASD genes as indexed by protein-protein interaction screens. The small increase in the rate of de novo events, when taken together with the protein interaction results, are consistent with an important but limited role for de novo point mutations in ASD, similar to that documented for de novo copy number variants. Genetic models incorporating these data indicate that most of the observed de novo events are unconnected to ASD; those that do confer risk are distributed across many genes and are incompletely penetrant (that is, not necessarily sufficient for disease). Our results support polygenic models in which spontaneous coding mutations in any of a large number of genes increases risk by 5- to 20-fold. Despite the challenge posed by such models, results from de novo events and a large parallel case-control study provide strong evidence in favour of CHD8 and KATNAL2 as genuine autism risk factors.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3613847/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3613847/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Neale, Benjamin M -- Kou, Yan -- Liu, Li -- Ma'ayan, Avi -- Samocha, Kaitlin E -- Sabo, Aniko -- Lin, Chiao-Feng -- Stevens, Christine -- Wang, Li-San -- Makarov, Vladimir -- Polak, Paz -- Yoon, Seungtai -- Maguire, Jared -- Crawford, Emily L -- Campbell, Nicholas G -- Geller, Evan T -- Valladares, Otto -- Schafer, Chad -- Liu, Han -- Zhao, Tuo -- Cai, Guiqing -- Lihm, Jayon -- Dannenfelser, Ruth -- Jabado, Omar -- Peralta, Zuleyma -- Nagaswamy, Uma -- Muzny, Donna -- Reid, Jeffrey G -- Newsham, Irene -- Wu, Yuanqing -- Lewis, Lora -- Han, Yi -- Voight, Benjamin F -- Lim, Elaine -- Rossin, Elizabeth -- Kirby, Andrew -- Flannick, Jason -- Fromer, Menachem -- Shakir, Khalid -- Fennell, Tim -- Garimella, Kiran -- Banks, Eric -- Poplin, Ryan -- Gabriel, Stacey -- DePristo, Mark -- Wimbish, Jack R -- Boone, Braden E -- Levy, Shawn E -- Betancur, Catalina -- Sunyaev, Shamil -- Boerwinkle, Eric -- Buxbaum, Joseph D -- Cook, Edwin H Jr -- Devlin, Bernie -- Gibbs, Richard A -- Roeder, Kathryn -- Schellenberg, Gerard D -- Sutcliffe, James S -- Daly, Mark J -- KL2 RR024977/RR/NCRR NIH HHS/ -- P30 HD015052/HD/NICHD NIH HHS/ -- P50 GM071558/GM/NIGMS NIH HHS/ -- P50 HD055751/HD/NICHD NIH HHS/ -- R01 MH057881/MH/NIMH NIH HHS/ -- R01 MH061009/MH/NIMH NIH HHS/ -- R01 MH089004/MH/NIMH NIH HHS/ -- R01 MH089025/MH/NIMH NIH HHS/ -- R01 MH089175/MH/NIMH NIH HHS/ -- R01 MH089208/MH/NIMH NIH HHS/ -- R01 MH089482/MH/NIMH NIH HHS/ -- R01MH084676/MH/NIMH NIH HHS/ -- R01MH089175/MH/NIMH NIH HHS/ -- R01MH089208/MH/NIMH NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- TL1 RR024978/RR/NCRR NIH HHS/ -- U54 HG003067/HG/NHGRI NIH HHS/ -- U54 HG003273/HG/NHGRI NIH HHS/ -- UL1 RR024975/RR/NCRR NIH HHS/ -- England -- Nature. 2012 Apr 4;485(7397):242-5. doi: 10.1038/nature11011.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Analytic and Translational Genetics Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22495311" target="_blank"〉PubMed〈/a〉
    Keywords: Autistic Disorder/*genetics ; Case-Control Studies ; DNA-Binding Proteins/*genetics ; Exome/genetics ; Exons/*genetics ; Family Health ; Genetic Predisposition to Disease/*genetics ; Humans ; Models, Genetic ; Multifactorial Inheritance/genetics ; Mutation/*genetics ; Phenotype ; Poisson Distribution ; Protein Interaction Maps ; Transcription Factors/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2013-08-09
    Description: Animal behaviour arises from computations in neuronal circuits, but our understanding of these computations has been frustrated by the lack of detailed synaptic connection maps, or connectomes. For example, despite intensive investigations over half a century, the neuronal implementation of local motion detection in the insect visual system remains elusive. Here we develop a semi-automated pipeline using electron microscopy to reconstruct a connectome, containing 379 neurons and 8,637 chemical synaptic contacts, within the Drosophila optic medulla. By matching reconstructed neurons to examples from light microscopy, we assigned neurons to cell types and assembled a connectome of the repeating module of the medulla. Within this module, we identified cell types constituting a motion detection circuit, and showed that the connections onto individual motion-sensitive neurons in this circuit were consistent with their direction selectivity. Our results identify cellular targets for future functional investigations, and demonstrate that connectomes can provide key insights into neuronal computations.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3799980/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3799980/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takemura, Shin-ya -- Bharioke, Arjun -- Lu, Zhiyuan -- Nern, Aljoscha -- Vitaladevuni, Shiv -- Rivlin, Patricia K -- Katz, William T -- Olbris, Donald J -- Plaza, Stephen M -- Winston, Philip -- Zhao, Ting -- Horne, Jane Anne -- Fetter, Richard D -- Takemura, Satoko -- Blazek, Katerina -- Chang, Lei-Ann -- Ogundeyi, Omotara -- Saunders, Mathew A -- Shapiro, Victor -- Sigmund, Christopher -- Rubin, Gerald M -- Scheffer, Louis K -- Meinertzhagen, Ian A -- Chklovskii, Dmitri B -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Aug 8;500(7461):175-81. doi: 10.1038/nature12450.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Janelia Farm Research Campus, HHMI, Ashburn, Virginia 20147, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23925240" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Connectome ; Drosophila/*physiology ; Female ; *Models, Biological ; Motion Perception/*physiology ; Visual Pathways/cytology/*physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2018-07-26
    Description: Nanostructured carbon black (CB) was first employed directly in this paper for the simultaneous electrochemical determination of trace Pb(II) and Cd(II) using differential pulse anodic stripping voltammetry. The morphology and surface properties of conductive CB were characterized by transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, ultraviolet–visible spectroscopy and Raman spectroscopy. Special pore structures, as well as surface chemical functional groups, endow CB with excellent catalytic and adsorption properties. Some parameters affecting electrical analysis performance were investigated systematically including deposition time and potential, pH value of solution, volume of suspension, amount of Bi(III) and Nafion solution. CB–Nafion–glassy carbon electrode sensor linear response ranges from 6 to 1000 nM for selective and simultaneous determination. The detection limits were calculated to be 8 nM (0.9 µg l –1 ) for Cd(II) and 5 nM (1.0 µg l –1 ) for Pb(II) (S/N = 3) for the electrocatalytic determination under optimized conditions. The method was successfully used to the determination of actual samples and good recovery was achieved from different spiked samples. Low detection limits and good stability of the modified electrode demonstrated a promising perspective for the detection of trace metal ions in practical application.
    Keywords: nanotechnology, chemical physics, analytical chemistry
    Electronic ISSN: 2054-5703
    Topics: Natural Sciences in General
    Published by Royal Society
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  • 8
    Publication Date: 2018-08-10
    Description: Most opioid prescription deaths occur among people with common conditions for which prescribing risks outweigh benefits. General psychological insights offer an explanation: People may judge risk to be low without available personal experiences, may be less careful than expected when not observed, and may falter without an injunction from authority. To test these hypotheses, we conducted a randomized trial of 861 clinicians prescribing to 170 persons who subsequently suffered fatal overdoses. Clinicians in the intervention group received notification of their patients’ deaths and a safe prescribing injunction from their county’s medical examiner, whereas physicians in the control group did not. Milligram morphine equivalents in prescriptions filled by patients of letter recipients versus controls decreased by 9.7% (95% confidence interval: 6.2 to 13.2%; P 〈 0.001) over 3 months after intervention. We also observed both fewer opioid initiates and fewer high-dose opioid prescriptions by letter recipients.
    Keywords: Medicine, Diseases
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2018-09-07
    Description: von Willebrand factor (VWF) is an adhesive ligand, and its activity is proteolytically regulated by the metalloprotease ADAMTS-13 (a disintegrin and metalloprotease with thrombospondin type 1 repeat 13). An elevated level of plasma VWF has been widely considered a marker for endothelial cell activation in trauma and inflammation, but its causal role in these pathological conditions remains poorly defined. Using a fluid percussion injury mouse model, we demonstrated that VWF released during acute traumatic brain injury (TBI) was activated and became microvesicle-bound. The VWF-bound microvesicles promoted vascular leakage and systemic coagulation. Recombinant ADAMTS-13 given either before or after TBI reduced the VWF reactivity with minimal influence on VWF secretion. rADAMTS-13 protected the integrity of endothelial cell barriers and prevented TBI-induced coagulopathy by enhancing VWF cleavage without impairing basal hemostasis. Promoting microvesicle clearance by lactadherin had efficacy similar to that of rADAMTS-13. This study uncovers a novel synergistic action between VWF and cellular microvesicles in TBI-induced vascular leakage and coagulopathy and demonstrates protective effects of rADAMTS-13.
    Keywords: Thrombosis and Hemostasis, Vascular Biology
    Print ISSN: 0006-4971
    Electronic ISSN: 1528-0020
    Topics: Biology , Medicine
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  • 10
    Publication Date: 2018-10-03
    Description: Calcineurin B homologous protein isoform 2 (CHP2), an essential cofactor for Na + /H + exchanger isoform 1 (NHE1), is identified to be expressed in various malignant cell lines. However, the clinical significance and biological role of CHP2 in breast cancer remain to be established. Here, CHP2 was markedly overexpressed in breast cancer cells and clinical tumor specimens. Immunohistochemical analysis revealed that the expression of CHP2 was significantly correlated with patients' clinicopathologic characteristics like clinical stage, and breast cancer patients with high CHP2 expression had shorter overall survival compared with patients with low CHP2 expression. Moreover, it was demonstrated that overexpressing CHP2 significantly enhanced, whereas silencing endogenous CHP2 inhibited, the proliferation and tumorigenicity of breast cancer cells in vitro and in vivo . In addition, overexpression of CHP2 accelerated, whereas inhibition of CHP2 retarded, G 1 –S phase cell-cycle transition in breast cancer cells. Mechanistically, overexpression of CHP2 activated AKT signaling and suppressed the transactivation of the forkhead box O3 (FOXO3/FOXO3a) transcription factor. Implications: This study discovers a previously unrecognized role of CHP2 in the progression of breast cancer and supports the significance of this gene as a novel prognostic biomarker and a potential therapeutic target for breast cancer. Mol Cancer Res; 16(10); 1512–22. ©2018 AACR .
    Print ISSN: 1541-7786
    Electronic ISSN: 1557-3125
    Topics: Medicine
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