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Berlin Brandenburg

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  • 1
    Language: English
    In: Proceedings of the National Academy of Sciences of the United States of America, 01 October 2013, Vol.110(40), pp.16115-20
    Description: Systemic amyloid A (AA) amyloidosis is a serious complication of chronic inflammation. Serum AA protein (SAA), an acute phase plasma protein, is deposited extracellularly as insoluble amyloid fibrils that damage tissue structure and function. Clinical AA amyloidosis is typically preceded by many years of active inflammation before presenting, most commonly with renal involvement. Using dose-dependent, doxycycline-inducible transgenic expression of SAA in mice, we show that AA amyloid deposition can occur independently of inflammation and that the time before amyloid deposition is determined by the circulating SAA concentration. High level SAA expression induced amyloidosis in all mice after a short, slightly variable delay. SAA was rapidly incorporated into amyloid, acutely reducing circulating SAA concentrations by up to 90%. Prolonged modest SAA overexpression occasionally produced amyloidosis after long delays and primed most mice for explosive amyloidosis when SAA production subsequently increased. Endogenous priming and bulk amyloid deposition are thus separable events, each sensitive to plasma SAA concentration. Amyloid deposits slowly regressed with restoration of normal SAA production after doxycycline withdrawal. Reinduction of SAA overproduction revealed that, following amyloid regression, all mice were primed, especially for rapid glomerular amyloid deposition leading to renal failure, closely resembling the rapid onset of renal failure in clinical AA amyloidosis following acute exacerbation of inflammation. Clinical AA amyloidosis rarely involves the heart, but amyloidotic SAA transgenic mice consistently had minor cardiac amyloid deposits, enabling us to extend to the heart the demonstrable efficacy of our unique antibody therapy for elimination of visceral amyloid.
    Keywords: 3rs ; Disease Model ; Amyloid -- Metabolism ; Amyloidosis -- Physiopathology ; Inflammation -- Complications ; Serum Amyloid A Protein -- Metabolism
    ISSN: 00278424
    E-ISSN: 1091-6490
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  • 2
    Language: English
    In: The Journal of biological chemistry, 07 February 2014, Vol.289(6), pp.3318-27
    Description: To form extracellular aggregates, amyloidogenic proteins bypass the intracellular quality control, which normally targets unfolded/aggregated polypeptides. Human D76N β2-microglobulin (β2m) variant is the prototype of unstable and amyloidogenic protein that forms abundant extracellular fibrillar deposits. Here we focus on the role of the class I major histocompatibility complex (MHCI) in the intracellular stabilization of D76N β2m. Using biophysical and structural approaches, we show that the MHCI containing D76N β2m (MHCI76) displays stability, dissociation patterns, and crystal structure comparable with those of the MHCI with wild type β2m. Conversely, limited proteolysis experiments show a reduced protease susceptibility for D76N β2m within the MHCI76 as compared with the free variant, suggesting that the MHCI has a chaperone-like activity in preventing D76N β2m degradation within the cell. Accordingly, D76N β2m is normally assembled in the MHCI and circulates as free plasma species in a transgenic mouse model.
    Keywords: Amyloid ; Beta2 Microglobulin Amyloidosis ; D76n Beta2-Microglobulin Variant ; Major Histocompatibility Complex (Mhc) ; Protein Aggregation ; Protein Complexes ; Protein Structure ; Mutation, Missense ; Amyloid -- Metabolism ; Histocompatibility Antigens Class I -- Metabolism ; Beta 2-Microglobulin -- Metabolism
    ISSN: 00219258
    E-ISSN: 1083-351X
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  • 3
    Language: English
    In: Organometallics, 09/22/2014, Vol.33(18), pp.5020-5032
    ISSN: 0276-7333
    E-ISSN: 1520-6041
    Source: American Chemical Society (via CrossRef)
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  • 4
    Language: English
    Description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures....
    Keywords: Crystal Structure ; Experimental 3d Coordinates ; Crystal System ; Space Group ; Cell Parameters ; Crystallography ; (Mu2-3-(2-Phenylethyl)Cyclopentadienyl)-(Eta5-Cyclopentadienyl)-(Eta5-Pentamethylcyclopentadienyl)-Iron-Ruthenium Chloride Dichloromethane Solvate
    Source: DataCite
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  • 5
    Language: English
    Description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures....
    Keywords: Crystal Structure ; Experimental 3d Coordinates ; Crystal System ; Space Group ; Cell Parameters ; Crystallography ; (Mu2-3-(2-Phenylethenyl)Cyclopentadienyl)-(Eta5-Cyclopentadienyl)-(Eta5-Pentamethylcyclopentadienyl)-Iron-Ruthenium Chloride Dichloromethane Solvate
    Source: DataCite
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  • 6
    Language: English
    Description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures....
    Keywords: Crystal Structure ; Experimental 3d Coordinates ; Crystal System ; Space Group ; Cell Parameters ; Crystallography ; (Mu2-3-(2-Phenylethynyl)Cyclopentadienyl)-Bis(Eta5-Cyclopentadienyl)-Iron-Ruthenium Hexafluorophosphate Chloroform Solvate
    Source: DataCite
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  • 7
    Language: English
    Description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures....
    Keywords: Crystal Structure ; Experimental 3d Coordinates ; Crystal System ; Space Group ; Cell Parameters ; Crystallography ; (Mu2-3-(2-Phenylethynyl)Cyclopentadienyl)-(Eta5-Cyclopentadienyl)-(Eta5-Pentamethylcyclopentadienyl)-Iron-Ruthenium Chloride Dichloromethane Solvate
    Source: DataCite
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  • 8
    Language: English
    Description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures....
    Keywords: Crystal Structure ; Experimental 3d Coordinates ; Crystal System ; Space Group ; Cell Parameters ; Crystallography ; (Eta5-Cyclopentadienyl)-(Eta4-1,2-Diferrocenyl-3,4-Diphenylcyclobutadiene)-Acetonitrile-Ruthenium Hexafluorophosphate Chloroform Solvate
    Source: DataCite
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  • 9
    Language: English
    In: Zurnic, I., S. Hütter, U. Lehmann, N. Stanke, J. Reh, T. Kern, F. Lindel, et al. 2016. “Proceedings of the Frontiers of Retrovirology Conference 2016.” Retrovirology 13 (Suppl 1): 68. doi:10.1186/s12977-016-0294-5. http://dx.doi.org/10.1186/s12977-016-0294-5.
    Description: Table of contents Oral presentations Session 1: Entry & uncoating O1 Host cell polo-like kinases (PLKs) promote early prototype foamy virus (PFV) replication Irena Zurnic, Sylvia Hütter, Ute Lehmann, Nicole Stanke, Juliane Reh, Tobias Kern, Fabian Lindel, Gesche Gerresheim, Martin Hamann, Erik Müllers, Paul Lesbats, Peter Cherepanov, Erik Serrao, Alan Engelman, Dirk Lindemann O2 A novel entry/uncoating assay reveals the presence of at least two species of viral capsids during synchronized HIV-1 infection Claire Da Silva Santos, Kevin Tartour, Andrea Cimarelli O3 Dynamics of nuclear envelope association and nuclear import of HIV-1 complexes Rya Burdick, Jianbo Chen, Jaya Sastri, Wei-Shau Hu, Vinay Pathak O4 Human papillomavirus protein E4 potently enhances the susceptibility to HIV infection Oliver T. Keppler Session 2: Reverse transcription & integration O5 Structure and function of HIV-1 integrase post translational modifications Karine Pradeau, Sylvia Eiler, Nicolas Levy, Sarah Lennon, Sarah Cianferani, Stéphane Emiliani, Marc Ruff O6 Regulation of retroviral integration by RNA polymerase II associated factors and chromatin structure Vincent Parissi Session 3: Transcription and latency O7 A novel single-cell analysis pipeline to identify specific biomarkers of HIV permissiveness Sylvie Rato, Antonio Rausell, Miguel Munoz, Amalio Telenti, Angela Ciuffi O8 A capsid-dependent integration program linking T cell activation to HIV-1 gene expression Alexander Zhyvoloup, Anat Melamed, Ian Anderson, Delphine Planas, Janos Kriston-Vizi, Robin Ketteler, Chen-Hsuin Lee, Andy Merritt, Petronela Ancuta, Charles Bangham, Ariberto Fassati O9 Characterisation of new RNA polymerase III and RNA polymerase II transcriptional promoters in the Bovine Leukemia Virus genome Anthony Rodari, Benoit Van Driessche, Mathilde Galais, Nadége Delacourt, Sylvain Fauquenoy, Caroline Vanhulle, Anna Kula, Arsène Burny, Olivier Rohr, Carine Van Lint O10 Tissue-specific dendritic cells differentially modulate latent HIV-1 reservoirs Thijs van Montfort, Renee van der Sluis, Dave Speijer, Ben Berkhout Session 4: RNA trafficking & packaging O11 A novel cis-acting element affecting HIV replication Bo Meng, Andrzej Rutkowski, Neil Berry, Lars Dölken, Andrew Lever O12 Tolerance of HIV’s late gene expression towards stepwise codon adaptation Thomas Schuster, Benedikt Asbach, Ralf Wagner Session 5: Assembly & release O13 Importance of the tax-inducible actin-bundling protein fascin for transmission of human T cell leukemia virus Type 1 (HTLV-1) Christine Gross, Veit Wiesmann, Martina Kalmer, Thomas Wittenberg, Jan Gettemans, Andrea K. Thoma-Kress O14 Lentiviral nef proteins antagonize TIM-mediated inhibition of viral release Minghua Li, Eric O. Freed, Shan-Lu Liu Session 6: Pathogenesis & evolution O15 SEVI and semen prolong the half-life of HIV-1 Janis Müller, Jan Münch O16 CD169+ macrophages mediate retrovirus trans-infection of permissive lymphocytes to establish infection in vivo Xaver Sewald, Pradeep Uchil, Mark Ladinsky, Jagadish Beloor, Ruoxi Pi, Christin Herrmann, Nasim Motamedi, Thomas Murooka, Michael Brehm, Dale Greiner, Thorsten Mempel, Pamela Bjorkman, Priti Kumar, Walther Mothes O17 Efficient replication of a vpu containing SIVagm construct in African Green Monkeys requires an HIV-1 nef gene Simone Joas, Erica Parrish, Clement Wesley Gnanadurai, Edina Lump, Christina M. Stürzel, Nicholas F. Parrish, Ulrike Sauermann, Katharina Töpfer, Tina Schultheiss, Steven Bosinger, Guido Silvestri, Cristian Apetrei, Nicholas Huot, Michaela Müller-Trutwin, Daniel Sauter, Beatrice H. Hahn, Christiane Stahl-Hennig, Frank Kirchhoff O18 Reprogramming initiates mobilization of endogenous mutagenic LINE-1, Alu and SVA retrotransposons in human induced pluripotent stem cells with consequences for host gene expression Gerald Schumann, Sabine Jung-Klawitter, Nina V. Fuchs, Kyle R. Upton, Martin Muñoz-Lopez, Ruchi Shukla, Jichang Wang, Marta Garcia-Canadas, Cesar Lopez-Ruiz, Daniel J. Gerhardt, Attila Sebe, Ivana Grabundzija, Patricia Gerdes, Sylvia Merkert, Andres Pulgarin, Anja Bock, Ulrike Held, Anett Witthuhn, Alexandra Haase, Ernst J. Wolvetang, Ulrich Martin, Zoltán Ivics, Zsuzsanna Izsvák, J. Garcia-Perez, Geoffrey J. Faulkner O19 NF-κB activation induces expression of human endogenous retrovirus and particle production Tara Hurst, Aris Katzourakis, Gkikas Magiorkinis Session 7a and b: Innate sensing & intrinsic immunity O20 Identification of the phosphatase acting on T592 in SAMHD1 during M/G1 transition Kerstin Schott, Rita Derua, Janna Seifried, Andreas Reuter, Heike Schmitz, Christiane Tondera, Alberto Brandariz-Nuñez, Felipe Diaz-Griffero, Veerle Janssens, Renate König O21 Vpx overcomes a SAMHD1-independent block to HIV reverse transcription that is specific to resting CD4 T cells Hanna-Mari Baldauf, Lena Stegmann, Sarah-Marie Schwarz, Maud Trotard, Margarethe Martin, Gina Lenzi, Manja Burggraf, Xiaoyu Pan, Oliver I. Fregoso, Efrem S. Lim, Libin Abraham, Elina Erikson, Laura Nguyen, Ina Ambiel, Frank Rutsch, Renate König, Baek Kim, Michael Emerman, Oliver T. Fackler, Oliver T. Keppler O22 The role of SAMHD1 in antiviral restriction and immune sensing in the mouse Sabine Wittmann, Rayk Behrendt, Bianca Volkmann, Kristin Eissmann, Thomas Gramberg O23 T cells expressing reduced restriction factors are preferentially infected in therapy naïve HIV-1 patients Sebastian Bolduan, Herwig Koppensteiner, Stefanie Regensburg, Ruth Brack-Werner, Rika Draenert, Michael Schindler O24 cGAS-mediated innate immunity spreads through HIV-1 env-induced membrane fusion sites from infected to uninfected primary HIV-1 target cells Aurélie Ducroux, Shuting Xu, Aparna Ponnurangam, Sergej Franz, Angelina Malassa, Ellen Ewald, Christine Goffinet O25 Perturbation of innate RNA and DNA sensing by human T cell leukemia virus type 1 oncoproteins Sin-Yee Fung, Ching-Ping Chan, Chun-Kit Yuen, Kin-Hang Kok, Chin-Ping Chan, Dong-Yan Jin O26 Induction and anti-viral activity of Interferon α subtypes in HIV-1 infection Ulf Dittmer O27 Vpu-mediated counteraction of tetherin is a major determinant of HIV-1 interferon resistance Dorota Kmiec, Shilpa Iyer, Christina Stürzel, Daniel Sauter, Beatrice Hahn, Frank Kirchhoff O28 DNA repair protein Rad18 restricts HIV-1 and LINE-1 life cycle Yasuo Ariumi, Mariko Yasuda-Inoue, Koudai Kawano, Satoshi Tateishi, Priscilla Turelli O29 Natural mutations in IFITM3 allow escape from post-translational regulation and toggle antiviral specificity Alex Compton, Nicolas Roy, Françoise Porrot, Anne Billet, Nicoletta Casartelli, Jacob Yount, Chen Liang, Oliver Schwartz Session 8: Adaptive immunity & immune evasion O30 Observing evolution in HIV-1 infection: phylogenetics and mutant selection windows to infer the influence of the autologous antibody response on the viral quasispecies Carsten Magnus, Lucia Reh, Penny Moore, Therese Uhr, Jacqueline Weber, Lynn Morris, Alexandra Trkola O31 Dose and subtype specific analyses of the anti-HIV effects of IFN-alpha family members Rashel V. Grindberg, Erika Schlaepfer, Gideon Schreiber, Viviana Simon, Roberto F. Speck Session 9: Novel antiviral strategies O32 LEDGIN-mediated inhibition of the integrase-LEDGF/p75 interaction reduces reactivation of residual latent HIV Zeger Debyser, Lenard Vranckx, Jonas Demeulemeester, Suha Saleh, Eric Verdin, Anna Cereseto, Frauke Christ, Rik Gijsbers O33 NKG2D-mediated clearance of reactivated viral reservoirs by natural killer cells O34 Inhibition of HIV reactivation in brain cells by AAV-mediated delivery of CRISPR/Cas9 O35 CRISPR-Cas9 as antiviral: potent HIV-1 inhibition, but rapid virus escape and the subsequent design of escape-proof antiviral strategies Ben Berkhout, Gang Wang, Na Zhao, Atze T. Das Session 10: Recent advances in HIV vaccine development O36 Priming with a potent HIV-1 DNA vaccine frames the quality of T cell and antibody responses prior to a poxvirus and protein boost Benedikt Asbach, Josef Köstler, Beatriz Perdiguero, Mariano Esteban, Bertram L. Jacobs, David C. Montefiori, Celia C. LaBranche, Nicole L. Yates, Georgia D. Tomaras, Guido Ferrari, Kathryn E. Foulds, Mario Roederer, Gary Landucci, Donald N. Forthal, Michael S. Seaman, Natalie Hawkins, Steven G. Self, Sanjay Phogat, James Tartaglia, Susan W. Barnett, Brian Burke, Anthony D. Cristillo, Song Ding, Jonathan L. Heeney, Giuseppe Pantaleo, Ralf Wagner O37 Passive immunisation with a neutralising antibody against HIV-1 Env prevents infection of the first cells in a mucosal challenge rhesus monkey model Christiane Stahl-Hennig, Viktoria Stab, Armin Ensser, Ulrike Sauermann, Bettina Tippler, Dennis Burton, Matthias Tenbusch, Klaus Überla O38 HIV antibody Fc-glycoforms drive B cell affinity maturation Galit Alter, Giuseppe Lofano, Anne-Sophie Dugast, Viraj Kulkarni, Todd Suscovich Poster presentations Topic 1: Entry & uncoating P1 Dynein light chain is required for murine leukemia virus infection Tatiana Opazo, Felipe Barraza, Diego Herrera, Andrea Garces, Tomas Schwenke, Diego Tapia, Jorge Cancino, Gloria Arriagada P2 Peptide paratope mimics of the broadly neutralising HIV-1 antibody b12 Christina Haußner, Dominik Damm, Anette Rohrhofer, Barbara Schmidt, Jutta Eichler P3 Investigating cellular pathways involved in the transmission of HIV-1 between dendritic cells and T cells using RNAi screening techniques Rebecca Midgley, James Wheeldon, Vincent Piguet P4 Co-receptor tropism in HIV-1, HIV-2 monotypic and dual infections Priyanka Khopkar, Megha Rohamare, Smita Kulkarni P5 Characterisation of the role of CIB1 and CIB2 as HIV-1 helper factors Ana Godinho-Santos, Allan Hance, Joao Goncalves, Fabrizio Mammano P6 Buffering deleterious polymorphisms in the highly constrained C2 region of HIV-1 envelope by the flexible V3 domain Romain Gasser, Meriem Hamoudi, Martina Pellicciotta, Zhicheng Zhou, Clara Visdeloup, Philippe Colin, Martine Braibant, Bernard Lagane, Matteo Negroni P7 Entry inhibition of HERV-K(HML-2) ...
    Keywords: Meeting Abstracts;
    ISSN: 17424690
    E-ISSN: 17424690
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