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  • 1
    Publication Date: 2010-04-03
    Description: Copy number variants (CNVs) account for a major proportion of human genetic polymorphism and have been predicted to have an important role in genetic susceptibility to common disease. To address this we undertook a large, direct genome-wide study of association between CNVs and eight common human diseases. Using a purpose-designed array we typed approximately 19,000 individuals into distinct copy-number classes at 3,432 polymorphic CNVs, including an estimated approximately 50% of all common CNVs larger than 500 base pairs. We identified several biological artefacts that lead to false-positive associations, including systematic CNV differences between DNAs derived from blood and cell lines. Association testing and follow-up replication analyses confirmed three loci where CNVs were associated with disease-IRGM for Crohn's disease, HLA for Crohn's disease, rheumatoid arthritis and type 1 diabetes, and TSPAN8 for type 2 diabetes-although in each case the locus had previously been identified in single nucleotide polymorphism (SNP)-based studies, reflecting our observation that most common CNVs that are well-typed on our array are well tagged by SNPs and so have been indirectly explored through SNP studies. We conclude that common CNVs that can be typed on existing platforms are unlikely to contribute greatly to the genetic basis of common human diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2892339/" 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/PMC2892339/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wellcome Trust Case Control Consortium -- Craddock, Nick -- Hurles, Matthew E -- Cardin, Niall -- Pearson, Richard D -- Plagnol, Vincent -- Robson, Samuel -- Vukcevic, Damjan -- Barnes, Chris -- Conrad, Donald F -- Giannoulatou, Eleni -- Holmes, Chris -- Marchini, Jonathan L -- Stirrups, Kathy -- Tobin, Martin D -- Wain, Louise V -- Yau, Chris -- Aerts, Jan -- Ahmad, Tariq -- Andrews, T Daniel -- Arbury, Hazel -- Attwood, Anthony -- Auton, Adam -- Ball, Stephen G -- Balmforth, Anthony J -- Barrett, Jeffrey C -- Barroso, Ines -- Barton, Anne -- Bennett, Amanda J -- Bhaskar, Sanjeev -- Blaszczyk, Katarzyna -- Bowes, John -- Brand, Oliver J -- Braund, Peter S -- Bredin, Francesca -- Breen, Gerome -- Brown, Morris J -- Bruce, Ian N -- Bull, Jaswinder -- Burren, Oliver S -- Burton, John -- Byrnes, Jake -- Caesar, Sian -- Clee, Chris M -- Coffey, Alison J -- Connell, John M C -- Cooper, Jason D -- Dominiczak, Anna F -- Downes, Kate -- Drummond, Hazel E -- Dudakia, Darshna -- Dunham, Andrew -- Ebbs, Bernadette -- Eccles, Diana -- Edkins, Sarah -- Edwards, Cathryn -- Elliot, Anna -- Emery, Paul -- Evans, David M -- Evans, Gareth -- Eyre, Steve -- Farmer, Anne -- Ferrier, I Nicol -- Feuk, Lars -- Fitzgerald, Tomas -- Flynn, Edward -- Forbes, Alistair -- Forty, Liz -- Franklyn, Jayne A -- Freathy, Rachel M -- Gibbs, Polly -- Gilbert, Paul -- Gokumen, Omer -- Gordon-Smith, Katherine -- Gray, Emma -- Green, Elaine -- Groves, Chris J -- Grozeva, Detelina -- Gwilliam, Rhian -- Hall, Anita -- Hammond, Naomi -- Hardy, Matt -- Harrison, Pile -- Hassanali, Neelam -- Hebaishi, Husam -- Hines, Sarah -- Hinks, Anne -- Hitman, Graham A -- Hocking, Lynne -- Howard, Eleanor -- Howard, Philip -- Howson, Joanna M M -- Hughes, Debbie -- Hunt, Sarah -- Isaacs, John D -- Jain, Mahim -- Jewell, Derek P -- Johnson, Toby -- Jolley, Jennifer D -- Jones, Ian R -- Jones, Lisa A -- Kirov, George -- Langford, Cordelia F -- Lango-Allen, Hana -- Lathrop, G Mark -- Lee, James -- Lee, Kate L -- Lees, Charlie -- Lewis, Kevin -- Lindgren, Cecilia M -- Maisuria-Armer, Meeta -- Maller, Julian -- Mansfield, John -- Martin, Paul -- Massey, Dunecan C O -- McArdle, Wendy L -- McGuffin, Peter -- McLay, Kirsten E -- Mentzer, Alex -- Mimmack, Michael L -- Morgan, Ann E -- Morris, Andrew P -- Mowat, Craig -- Myers, Simon -- Newman, William -- Nimmo, Elaine R -- O'Donovan, Michael C -- Onipinla, Abiodun -- Onyiah, Ifejinelo -- Ovington, Nigel R -- Owen, Michael J -- Palin, Kimmo -- Parnell, Kirstie -- Pernet, David -- Perry, John R B -- Phillips, Anne -- Pinto, Dalila -- Prescott, Natalie J -- Prokopenko, Inga -- Quail, Michael A -- Rafelt, Suzanne -- Rayner, Nigel W -- Redon, Richard -- Reid, David M -- Renwick -- Ring, Susan M -- Robertson, Neil -- Russell, Ellie -- St Clair, David -- Sambrook, Jennifer G -- Sanderson, Jeremy D -- Schuilenburg, Helen -- Scott, Carol E -- Scott, Richard -- Seal, Sheila -- Shaw-Hawkins, Sue -- Shields, Beverley M -- Simmonds, Matthew J -- Smyth, Debbie J -- Somaskantharajah, Elilan -- Spanova, Katarina -- Steer, Sophia -- Stephens, Jonathan -- Stevens, Helen E -- Stone, Millicent A -- Su, Zhan -- Symmons, Deborah P M -- Thompson, John R -- Thomson, Wendy -- Travers, Mary E -- Turnbull, Clare -- Valsesia, Armand -- Walker, Mark -- Walker, Neil M -- Wallace, Chris -- Warren-Perry, Margaret -- Watkins, Nicholas A -- Webster, John -- Weedon, Michael N -- Wilson, Anthony G -- Woodburn, Matthew -- Wordsworth, B Paul -- Young, Allan H -- Zeggini, Eleftheria -- Carter, Nigel P -- Frayling, Timothy M -- Lee, Charles -- McVean, Gil -- Munroe, Patricia B -- Palotie, Aarno -- Sawcer, Stephen J -- Scherer, Stephen W -- Strachan, David P -- Tyler-Smith, Chris -- Brown, Matthew A -- Burton, Paul R -- Caulfield, Mark J -- Compston, Alastair -- Farrall, Martin -- Gough, Stephen C L -- Hall, Alistair S -- Hattersley, Andrew T -- Hill, Adrian V S -- Mathew, Christopher G -- Pembrey, Marcus -- Satsangi, Jack -- Stratton, Michael R -- Worthington, Jane -- Deloukas, Panos -- Duncanson, Audrey -- Kwiatkowski, Dominic P -- McCarthy, Mark I -- Ouwehand, Willem -- Parkes, Miles -- Rahman, Nazneen -- Todd, John A -- Samani, Nilesh J -- Donnelly, Peter -- 061858/Wellcome Trust/United Kingdom -- 083948/Wellcome Trust/United Kingdom -- 089989/Wellcome Trust/United Kingdom -- 090532/Wellcome Trust/United Kingdom -- 17552/Arthritis Research UK/United Kingdom -- CZB/4/540/Chief Scientist Office/United Kingdom -- ETM/137/Chief Scientist Office/United Kingdom -- ETM/75/Chief Scientist Office/United Kingdom -- G0000934/Medical Research Council/United Kingdom -- G0400874/Medical Research Council/United Kingdom -- G0500115/Medical Research Council/United Kingdom -- G0501942/Medical Research Council/United Kingdom -- G0600329/Medical Research Council/United Kingdom -- G0600705/Medical Research Council/United Kingdom -- G0700491/Medical Research Council/United Kingdom -- G0701003/Medical Research Council/United Kingdom -- G0701420/Medical Research Council/United Kingdom -- G0701810/Medical Research Council/United Kingdom -- G0701810(85517)/Medical Research Council/United Kingdom -- G0800383/Medical Research Council/United Kingdom -- G0800509/Medical Research Council/United Kingdom -- G0800759/Medical Research Council/United Kingdom -- G19/9/Medical Research Council/United Kingdom -- G90/106/Medical Research Council/United Kingdom -- G9521010/Medical Research Council/United Kingdom -- MC_UP_A390_1107/Medical Research Council/United Kingdom -- RG/09/012/28096/British Heart Foundation/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Apr 1;464(7289):713-20. doi: 10.1038/nature08979.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20360734" target="_blank"〉PubMed〈/a〉
    Keywords: Arthritis, Rheumatoid/genetics ; Case-Control Studies ; Crohn Disease/genetics ; DNA Copy Number Variations/*genetics ; Diabetes Mellitus/genetics ; *Disease ; Gene Frequency/genetics ; Genetic Predisposition to Disease/*genetics ; *Genome-Wide Association Study ; Humans ; Nucleic Acid Hybridization ; Oligonucleotide Array Sequence Analysis ; Pilot Projects ; Polymorphism, Single Nucleotide/genetics ; Quality Control
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2010-10-29
    Description: Pancreatic cancer is an aggressive malignancy with a five-year mortality of 97-98%, usually due to widespread metastatic disease. Previous studies indicate that this disease has a complex genomic landscape, with frequent copy number changes and point mutations, but genomic rearrangements have not been characterized in detail. Despite the clinical importance of metastasis, there remain fundamental questions about the clonal structures of metastatic tumours, including phylogenetic relationships among metastases, the scale of ongoing parallel evolution in metastatic and primary sites, and how the tumour disseminates. Here we harness advances in DNA sequencing to annotate genomic rearrangements in 13 patients with pancreatic cancer and explore clonal relationships among metastases. We find that pancreatic cancer acquires rearrangements indicative of telomere dysfunction and abnormal cell-cycle control, namely dysregulated G1-to-S-phase transition with intact G2-M checkpoint. These initiate amplification of cancer genes and occur predominantly in early cancer development rather than the later stages of the disease. Genomic instability frequently persists after cancer dissemination, resulting in ongoing, parallel and even convergent evolution among different metastases. We find evidence that there is genetic heterogeneity among metastasis-initiating cells, that seeding metastasis may require driver mutations beyond those required for primary tumours, and that phylogenetic trees across metastases show organ-specific branches. These data attest to the richness of genetic variation in cancer, brought about by the tandem forces of genomic instability and evolutionary selection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3137369/" 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/PMC3137369/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Campbell, Peter J -- Yachida, Shinichi -- Mudie, Laura J -- Stephens, Philip J -- Pleasance, Erin D -- Stebbings, Lucy A -- Morsberger, Laura A -- Latimer, Calli -- McLaren, Stuart -- Lin, Meng-Lay -- McBride, David J -- Varela, Ignacio -- Nik-Zainal, Serena A -- Leroy, Catherine -- Jia, Mingming -- Menzies, Andrew -- Butler, Adam P -- Teague, Jon W -- Griffin, Constance A -- Burton, John -- Swerdlow, Harold -- Quail, Michael A -- Stratton, Michael R -- Iacobuzio-Donahue, Christine -- Futreal, P Andrew -- 077012/Z/05/Z/Wellcome Trust/United Kingdom -- 088340/Wellcome Trust/United Kingdom -- 093867/Wellcome Trust/United Kingdom -- CA106610/CA/NCI NIH HHS/ -- CA140599/CA/NCI NIH HHS/ -- K08 CA106610/CA/NCI NIH HHS/ -- K08 CA106610-03/CA/NCI NIH HHS/ -- K08 CA106610-04/CA/NCI NIH HHS/ -- K08 CA106610-05/CA/NCI NIH HHS/ -- R01 CA140599/CA/NCI NIH HHS/ -- R01 CA140599-01/CA/NCI NIH HHS/ -- R01 CA140599-02/CA/NCI NIH HHS/ -- R01 CA140599-03/CA/NCI NIH HHS/ -- WT088340MA/Wellcome Trust/United Kingdom -- England -- Nature. 2010 Oct 28;467(7319):1109-13. doi: 10.1038/nature09460.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Genome Project, Wellcome Trust Sanger Institute, Hinxton CB10 1SA, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20981101" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/genetics/pathology ; Cell Cycle/genetics ; Cell Lineage/genetics ; Clone Cells/metabolism/pathology ; DNA Mutational Analysis ; Disease Progression ; Evolution, Molecular ; Genes, Neoplasm/genetics ; Genomic Instability/*genetics ; Humans ; Liver Neoplasms/genetics/secondary ; Lung Neoplasms/genetics/secondary ; Mutagenesis/*genetics ; Neoplasm Metastasis/*genetics/pathology ; Organ Specificity ; Pancreatic Neoplasms/*genetics/*pathology ; Telomere/genetics/pathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2010-09-09
    Description: B-RAF is the most frequently mutated protein kinase in human cancers. The finding that oncogenic mutations in BRAF are common in melanoma, followed by the demonstration that these tumours are dependent on the RAF/MEK/ERK pathway, offered hope that inhibition of B-RAF kinase activity could benefit melanoma patients. Herein, we describe the structure-guided discovery of PLX4032 (RG7204), a potent inhibitor of oncogenic B-RAF kinase activity. Preclinical experiments demonstrated that PLX4032 selectively blocked the RAF/MEK/ERK pathway in BRAF mutant cells and caused regression of BRAF mutant xenografts. Toxicology studies confirmed a wide safety margin consistent with the high degree of selectivity, enabling Phase 1 clinical trials using a crystalline formulation of PLX4032 (ref. 5). In a subset of melanoma patients, pathway inhibition was monitored in paired biopsy specimens collected before treatment initiation and following two weeks of treatment. This analysis revealed substantial inhibition of ERK phosphorylation, yet clinical evaluation did not show tumour regressions. At higher drug exposures afforded by a new amorphous drug formulation, greater than 80% inhibition of ERK phosphorylation in the tumours of patients correlated with clinical response. Indeed, the Phase 1 clinical data revealed a remarkably high 81% response rate in metastatic melanoma patients treated at an oral dose of 960 mg twice daily. These data demonstrate that BRAF-mutant melanomas are highly dependent on B-RAF kinase activity.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2948082/" 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/PMC2948082/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bollag, Gideon -- Hirth, Peter -- Tsai, James -- Zhang, Jiazhong -- Ibrahim, Prabha N -- Cho, Hanna -- Spevak, Wayne -- Zhang, Chao -- Zhang, Ying -- Habets, Gaston -- Burton, Elizabeth A -- Wong, Bernice -- Tsang, Garson -- West, Brian L -- Powell, Ben -- Shellooe, Rafe -- Marimuthu, Adhirai -- Nguyen, Hoa -- Zhang, Kam Y J -- Artis, Dean R -- Schlessinger, Joseph -- Su, Fei -- Higgins, Brian -- Iyer, Raman -- D'Andrea, Kurt -- Koehler, Astrid -- Stumm, Michael -- Lin, Paul S -- Lee, Richard J -- Grippo, Joseph -- Puzanov, Igor -- Kim, Kevin B -- Ribas, Antoni -- McArthur, Grant A -- Sosman, Jeffrey A -- Chapman, Paul B -- Flaherty, Keith T -- Xu, Xiaowei -- Nathanson, Katherine L -- Nolop, Keith -- K24 CA097588/CA/NCI NIH HHS/ -- P50 CA093372/CA/NCI NIH HHS/ -- P50 CA093372-01/CA/NCI NIH HHS/ -- R01 CA118871/CA/NCI NIH HHS/ -- R01 CA118871-01A1/CA/NCI NIH HHS/ -- England -- Nature. 2010 Sep 30;467(7315):596-9. doi: 10.1038/nature09454.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Plexxikon Inc., 91 Bolivar Drive, Berkeley, California 94710, USA. gbollag@plexxikon.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20823850" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; Dogs ; Extracellular Signal-Regulated MAP Kinases/antagonists & inhibitors/metabolism ; Humans ; Indoles/administration & dosage/adverse effects/chemistry/*therapeutic use ; MAP Kinase Signaling System/drug effects ; Macaca fascicularis ; Melanoma/*drug therapy/*enzymology/genetics/pathology ; Models, Molecular ; Mutant Proteins/antagonists & inhibitors/chemistry/genetics/metabolism ; Mutation/*genetics ; Neoplasm Metastasis ; Phosphorylation/drug effects ; Positron-Emission Tomography ; Proto-Oncogene Proteins B-raf/*antagonists & ; inhibitors/chemistry/genetics/metabolism ; Rats ; Substrate Specificity ; Sulfonamides/administration & dosage/adverse effects/chemistry/*therapeutic use ; Xenograft Model Antitumor Assays
    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: 2011-07-19
    Description: Passive transfer of broadly neutralizing HIV antibodies can prevent infection, which suggests that vaccines that elicit such antibodies would be protective. Thus far, however, few broadly neutralizing HIV antibodies that occur naturally have been characterized. To determine whether these antibodies are part of a larger group of related molecules, we cloned 576 new HIV antibodies from four unrelated individuals. All four individuals produced expanded clones of potent broadly neutralizing CD4-binding-site antibodies that mimic binding to CD4. Despite extensive hypermutation, the new antibodies shared a consensus sequence of 68 immunoglobulin H (IgH) chain amino acids and arise independently from two related IgH genes. Comparison of the crystal structure of one of the antibodies to the broadly neutralizing antibody VRC01 revealed conservation of the contacts to the HIV spike.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3351836/" 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/PMC3351836/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scheid, Johannes F -- Mouquet, Hugo -- Ueberheide, Beatrix -- Diskin, Ron -- Klein, Florian -- Oliveira, Thiago Y K -- Pietzsch, John -- Fenyo, David -- Abadir, Alexander -- Velinzon, Klara -- Hurley, Arlene -- Myung, Sunnie -- Boulad, Farid -- Poignard, Pascal -- Burton, Dennis R -- Pereyra, Florencia -- Ho, David D -- Walker, Bruce D -- Seaman, Michael S -- Bjorkman, Pamela J -- Chait, Brian T -- Nussenzweig, Michel C -- P01 AI081677/AI/NIAID NIH HHS/ -- P30 AI060354/AI/NIAID NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- RR00862/RR/NCRR NIH HHS/ -- RR022220/RR/NCRR NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Sep 16;333(6049):1633-7. doi: 10.1126/science.1207227. Epub 2011 Jul 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21764753" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antibodies, Neutralizing/*chemistry/*immunology/metabolism ; Antibody Affinity ; Antibody Specificity ; Antigens, CD4/immunology/*metabolism ; Binding Sites ; Binding Sites, Antibody ; Cloning, Molecular ; Consensus Sequence ; Crystallography, X-Ray ; Genes, Immunoglobulin Heavy Chain ; HIV Antibodies/*chemistry/*immunology/metabolism ; HIV Envelope Protein gp120/chemistry/*immunology/metabolism ; HIV Infections/immunology ; Humans ; Immunoglobulin Fab Fragments/chemistry ; Immunoglobulin Heavy Chains/chemistry ; Immunoglobulin Light Chains/chemistry ; Molecular Mimicry ; Molecular Sequence Data ; Mutation ; Protein Conformation
    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: 2011-10-15
    Description: The HIV envelope (Env) protein gp120 is protected from antibody recognition by a dense glycan shield. However, several of the recently identified PGT broadly neutralizing antibodies appear to interact directly with the HIV glycan coat. Crystal structures of antigen-binding fragments (Fabs) PGT 127 and 128 with Man(9) at 1.65 and 1.29 angstrom resolution, respectively, and glycan binding data delineate a specific high mannose-binding site. Fab PGT 128 complexed with a fully glycosylated gp120 outer domain at 3.25 angstroms reveals that the antibody penetrates the glycan shield and recognizes two conserved glycans as well as a short beta-strand segment of the gp120 V3 loop, accounting for its high binding affinity and broad specificity. Furthermore, our data suggest that the high neutralization potency of PGT 127 and 128 immunoglobulin Gs may be mediated by cross-linking Env trimers on the viral surface.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3280215/" 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/PMC3280215/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pejchal, Robert -- Doores, Katie J -- Walker, Laura M -- Khayat, Reza -- Huang, Po-Ssu -- Wang, Sheng-Kai -- Stanfield, Robyn L -- Julien, Jean-Philippe -- Ramos, Alejandra -- Crispin, Max -- Depetris, Rafael -- Katpally, Umesh -- Marozsan, Andre -- Cupo, Albert -- Maloveste, Sebastien -- Liu, Yan -- McBride, Ryan -- Ito, Yukishige -- Sanders, Rogier W -- Ogohara, Cassandra -- Paulson, James C -- Feizi, Ten -- Scanlan, Christopher N -- Wong, Chi-Huey -- Moore, John P -- Olson, William C -- Ward, Andrew B -- Poignard, Pascal -- Schief, William R -- Burton, Dennis R -- Wilson, Ian A -- AI082362/AI/NIAID NIH HHS/ -- AI33292/AI/NIAID NIH HHS/ -- AI74372/AI/NIAID NIH HHS/ -- AI84817/AI/NIAID NIH HHS/ -- F32 AI074372-03/AI/NIAID NIH HHS/ -- HFE-224662/Canadian Institutes of Health Research/Canada -- P01 AI082362/AI/NIAID NIH HHS/ -- P01 AI082362-03/AI/NIAID NIH HHS/ -- P01 AI082362-04/AI/NIAID NIH HHS/ -- P41RR001209/RR/NCRR NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- R01 AI033292-14/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- R01 AI084817-04/AI/NIAID NIH HHS/ -- RR017573/RR/NCRR NIH HHS/ -- U01 CA128416/CA/NCI NIH HHS/ -- Y1-CO-1020/CO/NCI NIH HHS/ -- Y1-GM-1104/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2011 Nov 25;334(6059):1097-103. doi: 10.1126/science.1213256. Epub 2011 Oct 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Skaggs Institute for Chemical Biology and International AIDS Vaccine Initiative (IAVI) Neutralizing Antibody Center, nhe Scripps Research Institute, La Jolla, CA 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21998254" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Neutralizing/chemistry/genetics/*immunology/metabolism ; Antibody Specificity ; Binding Sites, Antibody ; Carbohydrate Conformation ; Cell Line ; Crystallography, X-Ray ; Disaccharides/chemistry/metabolism ; Epitopes ; Glycosylation ; HIV Antibodies/chemistry/genetics/*immunology/*metabolism ; HIV Envelope Protein gp120/chemistry/*immunology/metabolism ; HIV-1/*immunology/physiology ; Humans ; Hydrogen Bonding ; Immunoglobulin Fab Fragments/chemistry/immunology/metabolism ; Mannose/chemistry/immunology/metabolism ; Mannosides/chemistry/metabolism ; Models, Molecular ; Mutation ; Oligosaccharides/chemistry/*immunology/metabolism ; Polysaccharides/chemistry/*immunology/*metabolism ; Protein Conformation ; Protein Structure, Tertiary
    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: 2011-01-29
    Description: Epidemiological studies of the naturally transformable bacterial pathogen Streptococcus pneumoniae have previously been confounded by high rates of recombination. Sequencing 240 isolates of the PMEN1 (Spain(23F)-1) multidrug-resistant lineage enabled base substitutions to be distinguished from polymorphisms arising through horizontal sequence transfer. More than 700 recombinations were detected, with genes encoding major antigens frequently affected. Among these were 10 capsule-switching events, one of which accompanied a population shift as vaccine-escape serotype 19A isolates emerged in the USA after the introduction of the conjugate polysaccharide vaccine. The evolution of resistance to fluoroquinolones, rifampicin, and macrolides was observed to occur on multiple occasions. This study details how genomic plasticity within lineages of recombinogenic bacteria can permit adaptation to clinical interventions over remarkably short time scales.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3648787/" 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/PMC3648787/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Croucher, Nicholas J -- Harris, Simon R -- Fraser, Christophe -- Quail, Michael A -- Burton, John -- van der Linden, Mark -- McGee, Lesley -- von Gottberg, Anne -- Song, Jae Hoon -- Ko, Kwan Soo -- Pichon, Bruno -- Baker, Stephen -- Parry, Christopher M -- Lambertsen, Lotte M -- Shahinas, Dea -- Pillai, Dylan R -- Mitchell, Timothy J -- Dougan, Gordon -- Tomasz, Alexander -- Klugman, Keith P -- Parkhill, Julian -- Hanage, William P -- Bentley, Stephen D -- 076962/Wellcome Trust/United Kingdom -- 076964/Wellcome Trust/United Kingdom -- G0800596/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2011 Jan 28;331(6016):430-4. doi: 10.1126/science.1198545.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21273480" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Anti-Bacterial Agents/pharmacology ; Antigenic Variation ; DNA Transposable Elements ; Drug Resistance, Multiple, Bacterial ; *Evolution, Molecular ; Genome, Bacterial ; Humans ; Molecular Epidemiology ; Phylogeny ; Phylogeography ; Pneumococcal Infections/drug therapy/*microbiology ; Pneumococcal Vaccines/immunology ; Polymorphism, Single Nucleotide ; Prophages/genetics ; *Recombination, Genetic ; Selection, Genetic ; Serotyping ; Streptococcus Phages/genetics ; Streptococcus pneumoniae/classification/drug effects/*genetics/immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2011-08-13
    Description: Antibody VRC01 is a human immunoglobulin that neutralizes about 90% of HIV-1 isolates. To understand how such broadly neutralizing antibodies develop, we used x-ray crystallography and 454 pyrosequencing to characterize additional VRC01-like antibodies from HIV-1-infected individuals. Crystal structures revealed a convergent mode of binding for diverse antibodies to the same CD4-binding-site epitope. A functional genomics analysis of expressed heavy and light chains revealed common pathways of antibody-heavy chain maturation, confined to the IGHV1-2*02 lineage, involving dozens of somatic changes, and capable of pairing with different light chains. Broadly neutralizing HIV-1 immunity associated with VRC01-like antibodies thus involves the evolution of antibodies to a highly affinity-matured state required to recognize an invariant viral structure, with lineages defined from thousands of sequences providing a genetic roadmap of their development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3516815/" 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/PMC3516815/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, Xueling -- Zhou, Tongqing -- Zhu, Jiang -- Zhang, Baoshan -- Georgiev, Ivelin -- Wang, Charlene -- Chen, Xuejun -- Longo, Nancy S -- Louder, Mark -- McKee, Krisha -- O'Dell, Sijy -- Perfetto, Stephen -- Schmidt, Stephen D -- Shi, Wei -- Wu, Lan -- Yang, Yongping -- Yang, Zhi-Yong -- Yang, Zhongjia -- Zhang, Zhenhai -- Bonsignori, Mattia -- Crump, John A -- Kapiga, Saidi H -- Sam, Noel E -- Haynes, Barton F -- Simek, Melissa -- Burton, Dennis R -- Koff, Wayne C -- Doria-Rose, Nicole A -- Connors, Mark -- NISC Comparative Sequencing Program -- Mullikin, James C -- Nabel, Gary J -- Roederer, Mario -- Shapiro, Lawrence -- Kwong, Peter D -- Mascola, John R -- 5U19 AI 067854-06/AI/NIAID NIH HHS/ -- R01 AI033292/AI/NIAID NIH HHS/ -- U19 AI067854/AI/NIAID NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2011 Sep 16;333(6049):1593-602. doi: 10.1126/science.1207532. Epub 2011 Aug 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vaccine Research Center, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21835983" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines ; Amino Acid Sequence ; Antibodies, Neutralizing/*chemistry/genetics/*immunology/isolation & purification ; Antibody Affinity ; Antibody Specificity ; Antigens, CD4/metabolism ; Base Sequence ; Binding Sites ; Binding Sites, Antibody ; Complementarity Determining Regions/genetics ; Crystallography, X-Ray ; Epitopes ; *Evolution, Molecular ; Genes, Immunoglobulin Heavy Chain ; HIV Antibodies/*chemistry/genetics/*immunology/isolation & purification ; HIV Envelope Protein gp120/chemistry/*immunology/metabolism ; HIV Infections/immunology ; HIV-1/chemistry/*immunology ; High-Throughput Nucleotide Sequencing ; Humans ; Immunoglobulin Fab Fragments/chemistry/immunology ; Immunoglobulin Heavy Chains/chemistry/immunology ; Immunoglobulin J-Chains/genetics ; Immunoglobulin Light Chains/chemistry/immunology ; Models, Molecular ; Molecular Sequence Data ; Mutation ; Sequence Analysis, DNA
    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: 2012-07-17
    Description: Certain human pathogens avoid elimination by our immune system by rapidly mutating the surface protein sites targeted by antibody responses, and consequently they tend to be problematic for vaccine development. The behavior described is prominent for a subset of viruses--the highly antigenically diverse viruses--which include HIV, influenza, and hepatitis C viruses. However, these viruses do harbor highly conserved exposed sites, usually associated with function, which can be targeted by broadly neutralizing antibodies. Until recently, not many such antibodies were known, but advances in the field have enabled increasing numbers to be identified. Molecular characterizations of the antibodies and, most importantly, of the sites of vulnerability that they recognize give hope for the discovery of new vaccines and drugs.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3600854/" 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/PMC3600854/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burton, Dennis R -- Poignard, Pascal -- Stanfield, Robyn L -- Wilson, Ian A -- P01 AI082362/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2012 Jul 13;337(6091):183-6. doi: 10.1126/science.1225416.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science and International AIDS Vaccine Initiative Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. burton@scripps.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22798606" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/immunology ; Animals ; Antibodies, Neutralizing/*immunology ; Antibodies, Viral/*immunology ; *Antigenic Variation ; Drug Discovery ; HIV Antibodies/chemistry/*immunology ; HIV Infections/immunology/prevention & control ; HIV-1/*immunology/pathogenicity ; Hepacivirus/*immunology ; Hepatitis C/immunology/prevention & control ; Humans ; Influenza Vaccines ; Influenza, Human/immunology/prevention & control ; Models, Molecular ; Orthomyxoviridae/*immunology ; env Gene Products, Human Immunodeficiency Virus/chemistry/immunology
    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: 2014-10-10
    Description: The HIV-1 envelope (Env) mediates viral entry into host cells. To enable the direct imaging of conformational dynamics within Env, we introduced fluorophores into variable regions of the glycoprotein gp120 subunit and measured single-molecule fluorescence resonance energy transfer within the context of native trimers on the surface of HIV-1 virions. Our observations revealed unliganded HIV-1 Env to be intrinsically dynamic, transitioning between three distinct prefusion conformations, whose relative occupancies were remodeled by receptor CD4 and antibody binding. The distinct properties of neutralization-sensitive and neutralization-resistant HIV-1 isolates support a dynamics-based mechanism of immune evasion and ligand recognition.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4304640/" 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/PMC4304640/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Munro, James B -- Gorman, Jason -- Ma, Xiaochu -- Zhou, Zhou -- Arthos, James -- Burton, Dennis R -- Koff, Wayne C -- Courter, Joel R -- Smith, Amos B 3rd -- Kwong, Peter D -- Blanchard, Scott C -- Mothes, Walther -- P01 56550/PHS HHS/ -- P01 GM056550/GM/NIGMS NIH HHS/ -- R01 GM098859/GM/NIGMS NIH HHS/ -- R21 AI100696/AI/NIAID NIH HHS/ -- UL1 TR000142/TR/NCATS NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2014 Nov 7;346(6210):759-63. doi: 10.1126/science.1254426. Epub 2014 Oct 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, CT 06536, USA. walther.mothes@yale.edu scb2005@med.cornell.edu james.munro@tufts.edu. ; Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA. ; Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, CT 06536, USA. ; Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10021, USA. ; Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA. ; Department of Immunology and Microbial Science, and IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, CA 92037, USA. Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02129, USA. ; International AIDS Vaccine Initiative (IAVI), New York, NY 10004, USA. ; Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Physiology and Biophysics, Weill Cornell Medical College of Cornell University, New York, NY 10021, USA. walther.mothes@yale.edu scb2005@med.cornell.edu james.munro@tufts.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25298114" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Neutralizing/immunology ; Antigens, CD4/immunology ; Fluorescence Resonance Energy Transfer/methods ; HIV Envelope Protein gp120/*chemistry/immunology ; HIV-1/*chemistry/immunology ; Humans ; *Immune Evasion ; Ligands ; Models, Chemical ; Molecular Imaging/methods ; Protein Multimerization ; Protein Structure, Tertiary ; Virion/*chemistry/immunology
    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: 2011-08-19
    Description: Broadly neutralizing antibodies against highly variable viral pathogens are much sought after to treat or protect against global circulating viruses. Here we probed the neutralizing antibody repertoires of four human immunodeficiency virus (HIV)-infected donors with remarkably broad and potent neutralizing responses and rescued 17 new monoclonal antibodies that neutralize broadly across clades. Many of the new monoclonal antibodies are almost tenfold more potent than the recently described PG9, PG16 and VRC01 broadly neutralizing monoclonal antibodies and 100-fold more potent than the original prototype HIV broadly neutralizing monoclonal antibodies. The monoclonal antibodies largely recapitulate the neutralization breadth found in the corresponding donor serum and many recognize novel epitopes on envelope (Env) glycoprotein gp120, illuminating new targets for vaccine design. Analysis of neutralization by the full complement of anti-HIV broadly neutralizing monoclonal antibodies now available reveals that certain combinations of antibodies should offer markedly more favourable coverage of the enormous diversity of global circulating viruses than others and these combinations might be sought in active or passive immunization regimes. Overall, the isolation of multiple HIV broadly neutralizing monoclonal antibodies from several donors that, in aggregate, provide broad coverage at low concentrations is a highly positive indicator for the eventual design of an effective antibody-based HIV vaccine.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3393110/" 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/PMC3393110/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walker, Laura M -- Huber, Michael -- Doores, Katie J -- Falkowska, Emilia -- Pejchal, Robert -- Julien, Jean-Philippe -- Wang, Sheng-Kai -- Ramos, Alejandra -- Chan-Hui, Po-Ying -- Moyle, Matthew -- Mitcham, Jennifer L -- Hammond, Phillip W -- Olsen, Ole A -- Phung, Pham -- Fling, Steven -- Wong, Chi-Huey -- Phogat, Sanjay -- Wrin, Terri -- Simek, Melissa D -- Protocol G Principal Investigators -- Koff, Wayne C -- Wilson, Ian A -- Burton, Dennis R -- Poignard, Pascal -- R01 AI033292/AI/NIAID NIH HHS/ -- R01 AI084817/AI/NIAID NIH HHS/ -- England -- Nature. 2011 Sep 22;477(7365):466-70. doi: 10.1038/nature10373.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Microbial Science and IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, California 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21849977" target="_blank"〉PubMed〈/a〉
    Keywords: AIDS Vaccines/biosynthesis/immunology ; Antibodies, Monoclonal/immunology ; Antibodies, Neutralizing/*immunology ; Cell Line ; Epitope Mapping ; Epitopes/chemistry/immunology ; Glycoproteins/chemistry/immunology ; Glycosylation ; HEK293 Cells ; HIV/*classification/*immunology/isolation & purification ; HIV Antibodies/*immunology ; HIV Infections/immunology/therapy ; Human Immunodeficiency Virus Proteins/chemistry/immunology ; Humans ; Immune Sera/blood/immunology ; Molecular Sequence Data ; Neutralization Tests
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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