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Mariano Oppikofer, Meredith Sagolla, Benjamin Haley, Hui-Min Zhang, Sarah K Kummerfeld, Jawahar Sudhamsu, E Megan Flynn, Tianyi Bai, Jennifer Zhang, Claudio Ciferri, Andrea G Cochran
Members of the ISWI family of chromatin remodelers mobilize nucleosomes to control DNA accessibility and, in some cases, are required for recovery from DNA damage. However, it remains poorly understood how the non-catalytic ISWI subunits BAZ1A and BAZ1B might contact chromatin to direct the ATPase SMARCA5. Here, we find that the plant homeodomain of BAZ1A, but not that of BAZ1B, has the unusual function of binding DNA. Furthermore, the BAZ1A bromodomain has a non-canonical gatekeeper residue and binds relatively weakly to acetylated histone peptides...
October 11, 2017: Nature Communications
Sartaj Ahmad Mir, Santosh Renuse, Gajanan Sathe, Aafaque Ahmad Khan, Arun H Patil, Vishalakshi Nanjappa, Firdous Ahmad Bhat, T S Keshava Prasad, Ashok K Giri, Aditi Chatterjee, Harsha Gowda
Modulation of signaling pathways upon chronic arsenic exposure remains poorly studied. Here, we carried out SILAC-based quantitative phosphoproteomics analysis to dissect the signaling induced upon chronic arsenic exposure in human skin keratinocyte cell line, HaCaT. We identified 4171 unique phosphosites derived from 2000 proteins. We observed differential phosphorylation of 406 phosphosites (twofold) corresponding to 305 proteins. Several pathways involved in cytoskeleton maintenance and organization were found to be significantly enriched (p<0...
December 2017: Proteomics. Clinical Applications
David Guenat, Giuseppe Merla, Eric Deconinck, Christophe Borg, Pierre-Simon Rohrlich
Williams-Beuren syndrome (WBS, no. OMIM 194050) is a rare multisystem genetic disorder caused by a microdeletion on chromosome 7q11.23 and characterized by cardiovascular malformations, mental retardation, and a specific facial dysmorphism. Recently, we reported that a series of non‑Hodgkin's lymphoma occurs in children with WBS and thus hypothesized that a predisposition to cancer may be associated with this genetic disorder. The aim of the present study was to ascertain the role played by three genes hemizygously deleted in WBS (RFC2, GTF2I and BAZ1B) in DNA damage response pathways...
January 17, 2017: International Journal of Molecular Medicine
David Guenat, Giuseppe Merla, Eric Deconinck, Christophe Borg, Pierre-Simon Rohrlich
Williams-Beuren syndrome (WBS, no. OMIM 194050) is a rare multisystem genetic disorder caused by a microdeletion on chromosome 7q11.23 and characterized by cardiovascular malformations, mental retardation, and a specific facial dysmorphism. Recently, we reported that a series of non‑Hodgkin's lymphoma occurs in children with WBS and thus hypothesized that a predisposition to cancer may be associated with this genetic disorder. The aim of the present study was to ascertain the role played by three genes hemizygously deleted in WBS (RFC2, GTF2I and BAZ1B) in DNA damage response pathways...
March 2017: International Journal of Molecular Medicine
C Mary Schooling, Yi Zhong
Protein C is an environmentally modifiable anticoagulant, which protects against venous thrombosis, whether it also protects against ischaemic heart disease is unclear, based on observational studies and relatively small genetic studies. It was our study aim to clarify the role of protein C in ischaemic heart disease. The risk of coronary artery disease/myocardial infarction (CAD/MI) was assessed according to genetically predicted protein C in very large studies. Associations with lipids and diabetes were similarly assessed to rule out effects via traditional cardiovascular disease risk factors...
January 26, 2017: Thrombosis and Haemostasis
Roger Geiger, Jan C Rieckmann, Tobias Wolf, Camilla Basso, Yuehan Feng, Tobias Fuhrer, Maria Kogadeeva, Paola Picotti, Felix Meissner, Matthias Mann, Nicola Zamboni, Federica Sallusto, Antonio Lanzavecchia
Metabolic activity is intimately linked to T cell fate and function. Using high-resolution mass spectrometry, we generated dynamic metabolome and proteome profiles of human primary naive T cells following activation. We discovered critical changes in the arginine metabolism that led to a drop in intracellular L-arginine concentration. Elevating L-arginine levels induced global metabolic changes including a shift from glycolysis to oxidative phosphorylation in activated T cells and promoted the generation of central memory-like cells endowed with higher survival capacity and, in a mouse model, anti-tumor activity...
October 20, 2016: Cell
Jin Meng, Xu-Tao Zhang, Xin-Li Liu, Lei Fan, Chen Li, Yang Sun, Xiao-Hua Liang, Jian-Bo Wang, Qi-Bing Mei, Feng Zhang, Tao Zhang
Williams syndrome transcription factor (WSTF), which is encoded by the BAZ1B gene, was first identified as a hemizygously deleted gene in patients with Williams syndrome. WSTF protein has been reported to be involved in transcription, replication, chromatin remodeling and DNA damage response, and also functions as a tyrosine protein kinase. However, the function of WSTF in cancer is not known. Here, we show that WSTF overexpression promotes proliferation, colony formation, migration and invasion of lung cancer A549 and H1299 cells...
November 2016: Cellular Signalling
HaoSheng Sun, Jennifer A Martin, Craig T Werner, Zi-Jun Wang, Diane M Damez-Werno, Kimberly N Scobie, Ning-Yi Shao, Caroline Dias, Jacqui Rabkin, Ja Wook Koo, Amy M Gancarz, Ezekiell A Mouzon, Rachael L Neve, Li Shen, David M Dietz, Eric J Nestler
UNLABELLED: ATP-dependent chromatin remodeling proteins are being implicated increasingly in the regulation of complex behaviors, including models of several psychiatric disorders. Here, we demonstrate that Baz1b, an accessory subunit of the ISWI family of chromatin remodeling complexes, is upregulated in the nucleus accumbens (NAc), a key brain reward region, in both chronic cocaine-treated mice and mice that are resilient to chronic social defeat stress. In contrast, no regulation is seen in mice that are susceptible to this chronic stress...
April 6, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
Cyril Ribeyre, Ralph Zellweger, Maeva Chauvin, Nicole Bec, Christian Larroque, Massimo Lopes, Angelos Constantinou
During transcription and DNA replication, the DNA template is overwound ahead of RNA and DNA polymerases and relaxed by DNA topoisomerases. Inhibitors of topoisomerases are potent anti-cancer agents. Camptothecin traps topoisomerase I on DNA and exerts preferential cytotoxicity toward cancer cells by way of its interference with the progression of replication forks. Starting with an unbiased proteomic analysis, we find that the chromatin remodeling complex BAZ1B-SMARCA5 accumulates near replication forks in camptothecin-exposed cells...
April 12, 2016: Cell Reports
Xiaomu Kong, Qi Zhao, Xiaoyan Xing, Bo Zhang, Xuelian Zhang, Jing Hong, Wenying Yang
Dyslipidemia is a strong risk factor for cardiovascular disease among patients with type 2 diabetes (T2D). The aim of this study was to identify lipid-related genetic variants in T2D patients of Han Chinese ancestry. Among 4,908 Chinese T2D patients who were not taking lipid-lowering medications, single nucleotide polymorphisms (SNPs) in seven genes previously found to be associated with lipid traits in genome-wide association studies conducted in populations of European ancestry (ABCA1, GCKR, BAZ1B, TOMM40, DOCK7, HNF1A, and HNF4A) were genotyped...
2015: PloS One
Tyler J Broering, Yuan-Liang Wang, Ram Naresh Pandey, Rashmi S Hegde, Shao-Chun Wang, Satoshi H Namekawa
Meiosis is precisely regulated by the factors involved in DNA damage response in somatic cells. Among them, phosphorylation of H2AX on Serine 139 (γH2AX) is an essential signal for the silencing of unsynapsed sex chromosomes during male meiosis. However, it remains unknown how adjacent H2AX phosphorylation on Tyrosine 142 (pTyr142) is regulated in meiosis. Here we investigate the meiotic functions of BAZ1B (WSTF), the only known Tyr142 kinase in somatic cells, using mice possessing a conditional deletion of BAZ1B...
2015: Biology Open
Seungchan Yang, Alexandre J C Quaresma, Jeffrey A Nickerson, Karin M Green, Scott A Shaffer, Anthony N Imbalzano, Lori A Martin-Buley, Jane B Lian, Janet L Stein, Andre J van Wijnen, Gary S Stein
Cancer cells exhibit modifications in nuclear architecture and transcriptional control. Tumor growth and metastasis are supported by RUNX family transcriptional scaffolding proteins, which mediate the assembly of nuclear-matrix-associated gene-regulatory hubs. We used proteomic analysis to identify RUNX2-dependent protein-protein interactions associated with the nuclear matrix in bone, breast and prostate tumor cell types and found that RUNX2 interacts with three distinct proteins that respond to DNA damage - RUVBL2, INTS3 and BAZ1B...
February 15, 2015: Journal of Cell Science
Ichiro Takada
The Dgcr14/Es2 gene is located in a chromosomal region the loss of which has been associated with DiGeorge syndrome, a cause of immunodeficiency, heart defects, and skeletal abnormalities. However, the role of DGCR14 protein remains to be elucidated. Here, I found that DGCR14 protein acts as a coactivator of RORγt in TH17 cells. Biochemical purification of the RORγ coregulator complex allowed me to identify the associated DGCR14 protein by matrix-assisted laser desorption ionization-time of flight mass spectrometry...
January 2015: Molecular and Cellular Biology
Martin J Pfeiffer, Leila Taher, Hannes Drexler, Yutaka Suzuki, Wojciech Makałowski, Caroline Schwarzer, Bingyuan Wang, Georg Fuellen, Michele Boiani
Current models of early mouse development assign roles to stochastic processes and epigenetic regulation, which are considered to be as influential as the genetic differences that exist between strains of the species Mus musculus. The aim of this study was to test whether mouse oocytes vary from each other in the abundance of gene products that could influence, prime, or even predetermine developmental trajectories and features of derivative embryos. Using the paradigm of inbred mouse strains, we quantified 2010 protein groups (SILAC LC-MS/MS) and 15205 transcripts (RNA deep sequencing) present simultaneously in oocytes of four strains tested (129/Sv, C57Bl/6J, C3H/HeN, DBA/2J)...
February 2015: Proteomics
Aldi T Kraja, Daniel I Chasman, Kari E North, Alexander P Reiner, Lisa R Yanek, Tuomas O Kilpeläinen, Jennifer A Smith, Abbas Dehghan, Josée Dupuis, Andrew D Johnson, Mary F Feitosa, Fasil Tekola-Ayele, Audrey Y Chu, Ilja M Nolte, Zari Dastani, Andrew Morris, Sarah A Pendergrass, Yan V Sun, Marylyn D Ritchie, Ahmad Vaez, Honghuang Lin, Symen Ligthart, Letizia Marullo, Rebecca Rohde, Yaming Shao, Mark A Ziegler, Hae Kyung Im, Renate B Schnabel, Torben Jørgensen, Marit E Jørgensen, Torben Hansen, Oluf Pedersen, Ronald P Stolk, Harold Snieder, Albert Hofman, Andre G Uitterlinden, Oscar H Franco, M Arfan Ikram, J Brent Richards, Charles Rotimi, James G Wilson, Leslie Lange, Santhi K Ganesh, Mike Nalls, Laura J Rasmussen-Torvik, James S Pankow, Josef Coresh, Weihong Tang, W H Linda Kao, Eric Boerwinkle, Alanna C Morrison, Paul M Ridker, Diane M Becker, Jerome I Rotter, Sharon L R Kardia, Ruth J F Loos, Martin G Larson, Yi-Hsiang Hsu, Michael A Province, Russell Tracy, Benjamin F Voight, Dhananjay Vaidya, Christopher J O'Donnell, Emelia J Benjamin, Behrooz Z Alizadeh, Inga Prokopenko, James B Meigs, Ingrid B Borecki
Metabolic syndrome (MetS) has become a health and financial burden worldwide. The MetS definition captures clustering of risk factors that predict higher risk for diabetes mellitus and cardiovascular disease. Our study hypothesis is that additional to genes influencing individual MetS risk factors, genetic variants exist that influence MetS and inflammatory markers forming a predisposing MetS genetic network. To test this hypothesis a staged approach was undertaken. (a) We analyzed 17 metabolic and inflammatory traits in more than 85,500 participants from 14 large epidemiological studies within the Cross Consortia Pleiotropy Group...
August 2014: Molecular Genetics and Metabolism
Jaclyn Ellis, Ethan M Lange, Jin Li, Josee Dupuis, Jens Baumert, Jeremy D Walston, Brendan J Keating, Peter Durda, Ervin R Fox, Cameron D Palmer, Yan A Meng, Taylor Young, Deborah N Farlow, Renate B Schnabel, Carola S Marzi, Emma Larkin, Lisa W Martin, Joshua C Bis, Paul Auer, Vasan S Ramachandran, Stacey B Gabriel, Monte S Willis, James S Pankow, George J Papanicolaou, Jerome I Rotter, Christie M Ballantyne, Myron D Gross, Guillaume Lettre, James G Wilson, Ulrike Peters, Wolfgang Koenig, Russell P Tracy, Susan Redline, Alex P Reiner, Emelia J Benjamin, Leslie A Lange
C-reactive protein (CRP) is a heritable biomarker of systemic inflammation and a predictor of cardiovascular disease (CVD). Large-scale genetic association studies for CRP have largely focused on individuals of European descent. We sought to uncover novel genetic variants for CRP in a multiethnic sample using the ITMAT Broad-CARe (IBC) array, a custom 50,000 SNP gene-centric array having dense coverage of over 2,000 candidate CVD genes. We performed analyses on 7,570 African Americans (AA) from the Candidate gene Association Resource (CARe) study and race-combined meta-analyses that included 29,939 additional individuals of European descent from CARe, the Women's Health Initiative (WHI) and KORA studies...
August 2014: Human Genetics
Ashley E Culver-Cochran, Brian P Chadwick
BACKGROUND: Williams syndrome transcription factor (WSTF) is a multifaceted protein that is involved in several nuclear processes, including replication, transcription, and the DNA damage response. WSTF participates in a chromatin-remodeling complex with the ISWI ATPase, SNF2H, and is thought to contribute to the maintenance of heterochromatin, including at the human inactive X chromosome (Xi). WSTF is encoded by BAZ1B, and is one of twenty-eight genes that are hemizygously deleted in the genetic disorder Williams-Beuren syndrome (WBS)...
October 29, 2013: BMC Genomics
Carmela Fusco, Lucia Micale, Bartolomeo Augello, Maria Teresa Pellico, Deny Menghini, Paolo Alfieri, Maria Cristina Digilio, Barbara Mandriani, Massimo Carella, Orazio Palumbo, Stefano Vicari, Giuseppe Merla
Williams Beuren syndrome (WBS) is a multisystemic disorder caused by a hemizygous deletion of 1.5 Mb on chromosome 7q11.23 spanning 28 genes. A few patients with larger and smaller WBS deletion have been reported. They show clinical features that vary between isolated SVAS to the full spectrum of WBS phenotype, associated with epilepsy or autism spectrum behavior. Here we describe four patients with atypical WBS 7q11.23 deletions. Two carry ~3.5 Mb larger deletion towards the telomere that includes Huntingtin-interacting protein 1 (HIP1) and tyrosine 3-monooxygenase/tryptophan 5-monooxigenase activation protein gamma (YWHAG) genes...
January 2014: European Journal of Human Genetics: EJHG
Anna Köttgen, Eva Albrecht, Alexander Teumer, Veronique Vitart, Jan Krumsiek, Claudia Hundertmark, Giorgio Pistis, Daniela Ruggiero, Conall M O'Seaghdha, Toomas Haller, Qiong Yang, Toshiko Tanaka, Andrew D Johnson, Zoltán Kutalik, Albert V Smith, Julia Shi, Maksim Struchalin, Rita P S Middelberg, Morris J Brown, Angelo L Gaffo, Nicola Pirastu, Guo Li, Caroline Hayward, Tatijana Zemunik, Jennifer Huffman, Loic Yengo, Jing Hua Zhao, Ayse Demirkan, Mary F Feitosa, Xuan Liu, Giovanni Malerba, Lorna M Lopez, Pim van der Harst, Xinzhong Li, Marcus E Kleber, Andrew A Hicks, Ilja M Nolte, Asa Johansson, Federico Murgia, Sarah H Wild, Stephan J L Bakker, John F Peden, Abbas Dehghan, Maristella Steri, Albert Tenesa, Vasiliki Lagou, Perttu Salo, Massimo Mangino, Lynda M Rose, Terho Lehtimäki, Owen M Woodward, Yukinori Okada, Adrienne Tin, Christian Müller, Christopher Oldmeadow, Margus Putku, Darina Czamara, Peter Kraft, Laura Frogheri, Gian Andri Thun, Anne Grotevendt, Gauti Kjartan Gislason, Tamara B Harris, Lenore J Launer, Patrick McArdle, Alan R Shuldiner, Eric Boerwinkle, Josef Coresh, Helena Schmidt, Michael Schallert, Nicholas G Martin, Grant W Montgomery, Michiaki Kubo, Yusuke Nakamura, Toshihiro Tanaka, Patricia B Munroe, Nilesh J Samani, David R Jacobs, Kiang Liu, Pio D'Adamo, Sheila Ulivi, Jerome I Rotter, Bruce M Psaty, Peter Vollenweider, Gerard Waeber, Susan Campbell, Olivier Devuyst, Pau Navarro, Ivana Kolcic, Nicholas Hastie, Beverley Balkau, Philippe Froguel, Tõnu Esko, Andres Salumets, Kay Tee Khaw, Claudia Langenberg, Nicholas J Wareham, Aaron Isaacs, Aldi Kraja, Qunyuan Zhang, Philipp S Wild, Rodney J Scott, Elizabeth G Holliday, Elin Org, Margus Viigimaa, Stefania Bandinelli, Jeffrey E Metter, Antonio Lupo, Elisabetta Trabetti, Rossella Sorice, Angela Döring, Eva Lattka, Konstantin Strauch, Fabian Theis, Melanie Waldenberger, H-Erich Wichmann, Gail Davies, Alan J Gow, Marcel Bruinenberg, Ronald P Stolk, Jaspal S Kooner, Weihua Zhang, Bernhard R Winkelmann, Bernhard O Boehm, Susanne Lucae, Brenda W Penninx, Johannes H Smit, Gary Curhan, Poorva Mudgal, Robert M Plenge, Laura Portas, Ivana Persico, Mirna Kirin, James F Wilson, Irene Mateo Leach, Wiek H van Gilst, Anuj Goel, Halit Ongen, Albert Hofman, Fernando Rivadeneira, Andre G Uitterlinden, Medea Imboden, Arnold von Eckardstein, Francesco Cucca, Ramaiah Nagaraja, Maria Grazia Piras, Matthias Nauck, Claudia Schurmann, Kathrin Budde, Florian Ernst, Susan M Farrington, Evropi Theodoratou, Inga Prokopenko, Michael Stumvoll, Antti Jula, Markus Perola, Veikko Salomaa, So-Youn Shin, Tim D Spector, Cinzia Sala, Paul M Ridker, Mika Kähönen, Jorma Viikari, Christian Hengstenberg, Christopher P Nelson, James F Meschia, Michael A Nalls, Pankaj Sharma, Andrew B Singleton, Naoyuki Kamatani, Tanja Zeller, Michel Burnier, John Attia, Maris Laan, Norman Klopp, Hans L Hillege, Stefan Kloiber, Hyon Choi, Mario Pirastu, Silvia Tore, Nicole M Probst-Hensch, Henry Völzke, Vilmundur Gudnason, Afshin Parsa, Reinhold Schmidt, John B Whitfield, Myriam Fornage, Paolo Gasparini, David S Siscovick, Ozren Polašek, Harry Campbell, Igor Rudan, Nabila Bouatia-Naji, Andres Metspalu, Ruth J F Loos, Cornelia M van Duijn, Ingrid B Borecki, Luigi Ferrucci, Giovanni Gambaro, Ian J Deary, Bruce H R Wolffenbuttel, John C Chambers, Winfried März, Peter P Pramstaller, Harold Snieder, Ulf Gyllensten, Alan F Wright, Gerjan Navis, Hugh Watkins, Jacqueline C M Witteman, Serena Sanna, Sabine Schipf, Malcolm G Dunlop, Anke Tönjes, Samuli Ripatti, Nicole Soranzo, Daniela Toniolo, Daniel I Chasman, Olli Raitakari, W H Linda Kao, Marina Ciullo, Caroline S Fox, Mark Caulfield, Murielle Bochud, Christian Gieger
Elevated serum urate concentrations can cause gout, a prevalent and painful inflammatory arthritis. By combining data from >140,000 individuals of European ancestry within the Global Urate Genetics Consortium (GUGC), we identified and replicated 28 genome-wide significant loci in association with serum urate concentrations (18 new regions in or near TRIM46, INHBB, SFMBT1, TMEM171, VEGFA, BAZ1B, PRKAG2, STC1, HNF4G, A1CF, ATXN2, UBE2Q2, IGF1R, NFAT5, MAF, HLF, ACVR1B-ACVRL1 and B3GNT4). Associations for many of the loci were of similar magnitude in individuals of non-European ancestry...
February 2013: Nature Genetics
Ewa E Hennig, Michal Mikula, Tymon Rubel, Michal Dadlez, Jerzy Ostrowski
Kinase domains are the type of protein domain most commonly found in genes associated with tumorigenesis. Because of this, the human kinome (the protein kinase component of the genome) represents a promising source of cancer biomarkers and potential targets for novel anti-cancer therapies. Alterations in the human colon kinome during the progression from normal colon (NC) through adenoma (AD) to adenocarcinoma (AC) were investigated using integrated transcriptomic and proteomic datasets. Two hundred thirty kinase genes and 42 kinase proteins showed differential expression patterns (fold change ≥ 1...
April 2012: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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