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  • 1
    Publication Date: 2014-02-21
    Description: Negative regulation of chemokine receptor signaling and B-cell chemotaxis by p66Shc Cell Death and Disease 5, e1068 (February 2014). doi:10.1038/cddis.2014.44 Authors: L Patrussi, N Capitani, E Cannizzaro, F Finetti, O M Lucherini, P G Pelicci & C T Baldari
    Keywords: p66ShcB lymphocyteschemotaxissurvivaladhesion
    Electronic ISSN: 2041-4889
    Topics: Biology , Medicine
    Published by Springer Nature
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  • 2
    Publication Date: 2002-02-09
    Description: DNA methylation of tumor suppressor genes is a frequent mechanism of transcriptional silencing in cancer. The molecular mechanisms underlying the specificity of methylation are unknown. We report here that the leukemia-promoting PML-RAR fusion protein induces gene hypermethylation and silencing by recruiting DNA methyltransferases to target promoters and that hypermethylation contributes to its leukemogenic potential. Retinoic acid treatment induces promoter demethylation, gene reexpression, and reversion of the transformed phenotype. These results establish a mechanistic link between genetic and epigenetic changes during transformation and suggest that hypermethylation contributes to the early steps of carcinogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Croce, Luciano -- Raker, Veronica A -- Corsaro, Massimo -- Fazi, Francesco -- Fanelli, Mirco -- Faretta, Mario -- Fuks, Francois -- Lo Coco, Francesco -- Kouzarides, Tony -- Nervi, Clara -- Minucci, Saverio -- Pelicci, Pier Giuseppe -- New York, N.Y. -- Science. 2002 Feb 8;295(5557):1079-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Experimental Oncology, European Institute of Oncology, Milan, Italy. ldicroce@lar.ieo.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11834837" target="_blank"〉PubMed〈/a〉
    Keywords: Azacitidine/*analogs & derivatives/pharmacology ; Binding Sites ; Cell Differentiation/drug effects ; Cell Line ; Cell Nucleus/metabolism ; Cell Transformation, Neoplastic ; Cloning, Molecular ; CpG Islands ; DNA (Cytosine-5-)-Methyltransferase/*metabolism ; *DNA Methylation ; Exons ; Gene Expression ; *Gene Silencing ; Histone Deacetylases/metabolism ; Humans ; Leukemia, Promyelocytic, Acute/genetics ; Mutation ; Neoplasm Proteins/*metabolism ; Oncogene Proteins, Fusion/*metabolism ; *Promoter Regions, Genetic ; Receptors, Retinoic Acid/*genetics ; Recombinant Fusion Proteins/metabolism ; Transcription Factors/metabolism ; Tretinoin/pharmacology ; Tumor Cells, Cultured ; Zinc/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: 2009-01-06
    Description: Rare cells with the properties of stem cells are integral to the development and perpetuation of leukaemias. A defining characteristic of stem cells is their capacity to self-renew, which is markedly extended in leukaemia stem cells. The underlying molecular mechanisms, however, are largely unknown. Here we demonstrate that expression of the cell-cycle inhibitor p21 is indispensable for maintaining self-renewal of leukaemia stem cells. Expression of leukaemia-associated oncogenes in mouse haematopoietic stem cells (HSCs) induces DNA damage and activates a p21-dependent cellular response, which leads to reversible cell-cycle arrest and DNA repair. Activated p21 is critical in preventing excess DNA-damage accumulation and functional exhaustion of leukaemic stem cells. These data unravel the oncogenic potential of p21 and suggest that inhibition of DNA repair mechanisms might function as potent strategy for the eradication of the slowly proliferating leukaemia stem cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Viale, Andrea -- De Franco, Francesca -- Orleth, Annette -- Cambiaghi, Valeria -- Giuliani, Virginia -- Bossi, Daniela -- Ronchini, Chiara -- Ronzoni, Simona -- Muradore, Ivan -- Monestiroli, Silvia -- Gobbi, Alberto -- Alcalay, Myriam -- Minucci, Saverio -- Pelicci, Pier Giuseppe -- England -- Nature. 2009 Jan 1;457(7225):51-6. doi: 10.1038/nature07618.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Experimental Oncology at the IFOM-IEO Campus, European Institute of Oncology, IEO, 20141 Milan, Italy. andrea.viale@ifom-ieo-campus.it〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19122635" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Count ; *Cell Cycle/genetics ; Cell Division ; Core Binding Factor Alpha 2 Subunit/genetics/metabolism ; Cyclin-Dependent Kinase Inhibitor p21/deficiency/genetics/*metabolism ; *DNA Damage/genetics ; DNA Repair ; Fibroblasts ; Gene Expression Regulation, Neoplastic ; Leukemia/*pathology ; Mice ; Mice, Inbred C57BL ; Neoplastic Stem Cells/cytology/*pathology ; Oncogene Proteins, Fusion/genetics/metabolism ; Up-Regulation
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2007-02-03
    Description: The 66-kilodalton isoform of the growth factor adapter Shc (p66Shc) translates oxidative damage into cell death by acting as reactive oxygen species (ROS) producer within mitochondria. However, the signaling link between cellular stress and mitochondrial proapoptotic activity of p66Shc was not known. We demonstrate that protein kinase C beta, activated by oxidative conditions in the cell, induces phosphorylation of p66Shc and triggers mitochondrial accumulation of the protein after it is recognized by the prolyl isomerase Pin1. Once imported, p66Shc causes alterations of mitochondrial Ca2+ responses and three-dimensional structure, thus inducing apoptosis. These data identify a signaling route that activates an apoptotic inducer shortening the life span and could be a potential target of pharmacological approaches to inhibit aging.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pinton, Paolo -- Rimessi, Alessandro -- Marchi, Saverio -- Orsini, Francesca -- Migliaccio, Enrica -- Giorgio, Marco -- Contursi, Cristina -- Minucci, Saverio -- Mantovani, Fiamma -- Wieckowski, Mariusz R -- Del Sal, Giannino -- Pelicci, Pier Giuseppe -- Rizzuto, Rosario -- GGP05284/Telethon/Italy -- New York, N.Y. -- Science. 2007 Feb 2;315(5812):659-63.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Experimental and Diagnostic Medicine, Section of General Pathology and Interdisciplinary Center for the Study of Inflammation (ICSI), University of Ferrara, Ferrera, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17272725" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/genetics/*metabolism ; Adenosine Triphosphate/metabolism/pharmacology ; Animals ; *Apoptosis ; Calcium/metabolism ; Calcium Signaling ; *Cell Aging ; Cell Survival ; Cells, Cultured ; Cyclosporine/pharmacology ; Hydrogen Peroxide/metabolism/pharmacology ; Mice ; Mitochondria/*metabolism/ultrastructure ; Mutation ; Oxidative Stress ; Peptidylprolyl Isomerase/*metabolism ; Permeability ; Phosphorylation ; Protein Kinase C/antagonists & inhibitors/genetics/*metabolism ; Protein Kinase C beta ; Reactive Oxygen Species/metabolism ; Recombinant Fusion Proteins/metabolism ; Shc Signaling Adaptor Proteins ; *Signal Transduction
    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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  • 5
    Publication Date: 2003-04-12
    Description: DNA sequence and annotation of the entire human chromosome 7, encompassing nearly 158 million nucleotides of DNA and 1917 gene structures, are presented. To generate a higher order description, additional structural features such as imprinted genes, fragile sites, and segmental duplications were integrated at the level of the DNA sequence with medical genetic data, including 440 chromosome rearrangement breakpoints associated with disease. This approach enabled the discovery of candidate genes for developmental diseases including autism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882961/" 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/PMC2882961/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scherer, Stephen W -- Cheung, Joseph -- MacDonald, Jeffrey R -- Osborne, Lucy R -- Nakabayashi, Kazuhiko -- Herbrick, Jo-Anne -- Carson, Andrew R -- Parker-Katiraee, Layla -- Skaug, Jennifer -- Khaja, Razi -- Zhang, Junjun -- Hudek, Alexander K -- Li, Martin -- Haddad, May -- Duggan, Gavin E -- Fernandez, Bridget A -- Kanematsu, Emiko -- Gentles, Simone -- Christopoulos, Constantine C -- Choufani, Sanaa -- Kwasnicka, Dorota -- Zheng, Xiangqun H -- Lai, Zhongwu -- Nusskern, Deborah -- Zhang, Qing -- Gu, Zhiping -- Lu, Fu -- Zeesman, Susan -- Nowaczyk, Malgorzata J -- Teshima, Ikuko -- Chitayat, David -- Shuman, Cheryl -- Weksberg, Rosanna -- Zackai, Elaine H -- Grebe, Theresa A -- Cox, Sarah R -- Kirkpatrick, Susan J -- Rahman, Nazneen -- Friedman, Jan M -- Heng, Henry H Q -- Pelicci, Pier Giuseppe -- Lo-Coco, Francesco -- Belloni, Elena -- Shaffer, Lisa G -- Pober, Barbara -- Morton, Cynthia C -- Gusella, James F -- Bruns, Gail A P -- Korf, Bruce R -- Quade, Bradley J -- Ligon, Azra H -- Ferguson, Heather -- Higgins, Anne W -- Leach, Natalia T -- Herrick, Steven R -- Lemyre, Emmanuelle -- Farra, Chantal G -- Kim, Hyung-Goo -- Summers, Anne M -- Gripp, Karen W -- Roberts, Wendy -- Szatmari, Peter -- Winsor, Elizabeth J T -- Grzeschik, Karl-Heinz -- Teebi, Ahmed -- Minassian, Berge A -- Kere, Juha -- Armengol, Lluis -- Pujana, Miguel Angel -- Estivill, Xavier -- Wilson, Michael D -- Koop, Ben F -- Tosi, Sabrina -- Moore, Gudrun E -- Boright, Andrew P -- Zlotorynski, Eitan -- Kerem, Batsheva -- Kroisel, Peter M -- Petek, Erwin -- Oscier, David G -- Mould, Sarah J -- Dohner, Hartmut -- Dohner, Konstanze -- Rommens, Johanna M -- Vincent, John B -- Venter, J Craig -- Li, Peter W -- Mural, Richard J -- Adams, Mark D -- Tsui, Lap-Chee -- 38103/Canadian Institutes of Health Research/Canada -- P01 GM061354/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2003 May 2;300(5620):767-72. Epub 2003 Apr 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics and Genomic Biology, The Hospital for Sick Children, Toronto, Ontario, Canada, M5G 1X8. steve@genet.sickkids.on.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12690205" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/genetics ; Chromosome Aberrations ; Chromosome Fragile Sites ; Chromosome Fragility ; Chromosome Mapping ; Chromosomes, Human, Pair 7/*genetics ; Computational Biology ; Congenital Abnormalities/genetics ; CpG Islands ; DNA, Complementary ; Databases, Genetic ; Euchromatin/genetics ; Expressed Sequence Tags ; Gene Duplication ; Genes, Overlapping ; Genetic Diseases, Inborn/genetics ; Genomic Imprinting ; Humans ; In Situ Hybridization, Fluorescence ; Limb Deformities, Congenital/genetics ; Mice ; Molecular Sequence Data ; Mutation ; Neoplasms/genetics ; Pseudogenes ; RNA/genetics ; Retroelements ; *Sequence Analysis, DNA ; Williams Syndrome/genetics
    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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  • 6
    Publication Date: 1989-05-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Donti, E -- Montanucci, M -- Longo, L -- Mencarelli, A -- Pandolfi, P -- Tabilio, A -- Nanni, M -- Alimena, G -- Avanzi, G -- Pegoraro, L -- Grignani, F -- Pelicci, P G -- New York, N.Y. -- Science. 1989 May 19;244(4906):824-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17802239" 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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  • 7
    Publication Date: 1984-06-08
    Description: Amplification is one of the mechanisms by which cellular oncogenes may be altered in their function, possibly leading to neoplastic transformation. The oncogenes c-myc, c- abl , and c-Ki-ras are amplified in several different human neoplasias. The oncogene c-myb, which is specifically expressed and regulated in hematopoietic cells, was found to be amplified in cell lines ML-1, ML-2, and ML-3, which were separately cultured from cells of a patient with acute myelogenous leukemia (AML). A five- to tenfold amplification was correlated with high levels of expression of normal size c-myb messenger RNA and with chromosomal abnormalities in the region 6q22 -24, where the c-myb locus is normally located. Amplification and cytogenetic abnormalities were detected in DNA's from primary and secondary cultures of ML cells, suggesting that they may have contributed to leukemogenesis. The similar AML cell lines HL-60 and ML's contain different amplified oncogenes: c-myc and c-myb, respectively. Alternative activation of structurally and possibly functionally similar oncogenes may distinguish--at the pathogenetic level--phenotypically similar tumors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelicci, P G -- Lanfrancone, L -- Brathwaite, M D -- Wolman, S R -- Dalla-Favera, R -- P30 CA-16087/CA/NCI NIH HHS/ -- RR 05399/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1984 Jun 8;224(4653):1117-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6585957" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Line ; DNA, Neoplasm/genetics ; *Gene Amplification ; Humans ; Karyotyping ; Leukemia, Myeloid, Acute/*genetics ; Nucleic Acid Hybridization ; *Oncogenes
    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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  • 8
    Publication Date: 1987-02-27
    Description: Deletions of the long arm of chromosome 6 (6q-) are frequently found in hematopoietic neoplasms, including acute lymphoblastic leukemias, non-Hodgkin lymphomas and (less frequently) myeloid leukemias. The c-myb proto-oncogene has been mapped to region 6q21-24, which suggests that it could be involved in the 6q- aberrations. By means of in situ chromosomal hybridization on cells from six hematopoietic malignancies, it was demonstrated that the c-myb locus is not deleted, but is retained on band q22, which is consistently bordered by the chromosomal breakpoints in both interstitial and terminal 6q- deletions. The deletion breakpoints were located at some distance from the myb locus since no rearrangement of c-myb sequences was found. In one case, however, amplification of the entire c-myb locus was detectable. Furthermore, in all cases tested that carry 6q- deletions, myb messenger RNA levels were significantly higher than in normal cells or in malignant cells matched for lineage and stage of differentiation but lacking the 6q- marker. These results indicate that 6q- deletions are accompanied by structural and functional alterations of the c-myb locus and that these alterations may be involved in the pathogenesis of leukemias and lymphomas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barletta, C -- Pelicci, P G -- Kenyon, L C -- Smith, S D -- Dalla-Favera, R -- CA16239/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Feb 27;235(4792):1064-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3469751" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosome Deletion ; *Chromosomes, Human, Pair 6 ; DNA/genetics ; Gene Amplification ; Humans ; Leukemia/*genetics ; Leukemia, Lymphoid/genetics ; Leukemia, Myeloid/genetics ; Lymphoma, Non-Hodgkin/*genetics ; Nucleic Acid Hybridization ; RNA, Messenger/genetics
    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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  • 9
    Publication Date: 1987-08-28
    Description: The human T cell antigen-receptor gamma chain, which is expressed on the surface of a subpopulation of CD3+ T lymphocytes, exhibits size polymorphism and varies in its ability to form disulfide bonds with a second polypeptide. Analysis of both genomic and complementary DNA clones encoding the human gamma polypeptide shows differences in lengths of the coding portions of the two constant region genes, C gamma 1 and C gamma 2. A single second-exon segment is always present in the C gamma 1 gene. C gamma 2 alleles containing either duplicated or triplicated second-exon segments are present in the normal human population and are expressed as messenger RNAs. Furthermore, a cysteine residue, encoded by the second exon of C gamma 1 and probably involved in interchain disulfide bridging, is absent in all C gamma 2 second-exon segments. These differences between C gamma 1 and the two alleles of C gamma 2 may explain the variability in molecular weight and disulfide bonding of gamma molecules expressed in different cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelicci, P G -- Subar, M -- Weiss, A -- Dalla-Favera, R -- Littman, D R -- CA 09454/CA/NCI NIH HHS/ -- CA 37165/CA/NCI NIH HHS/ -- CA 37295/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1987 Aug 28;237(4818):1051-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3112943" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/genetics ; Genes, MHC Class II ; Humans ; Immunoglobulin Constant Regions/*genetics ; Immunoglobulin Heavy Chains/*genetics ; Immunoglobulin gamma-Chains/*genetics ; Immunoglobulins/*genetics ; Polymorphism, Genetic ; Receptors, Antigen, T-Cell/*genetics
    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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  • 10
    Publication Date: 2015-03-18
    Description: The predominant p63 isoform, ΔNp63, is a master regulator of normal epithelial stem cell (SC) maintenance. However, in vivo evidence of the regulation of cancer stem cell (CSC) properties by p63 is still limited. Here, we exploit the transgenic MMTV-ErbB2 (v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2) mouse model...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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