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1.
1860 Accesses
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Relationships of PBMC microRNA expression, plasma viral load, and CD4+ T-cell count in HIV-1-infected elite suppressors and viremic patients
Kenneth W Witwer, Andria K Watson, Joel N Blankson, Janice E Clements Retrovirology 2012, 9:5 (12 January 2012)
Abstract | Provisional PDF
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Editor’s summary
miRNA profiles, obtained using multiple acquisition, data processing, and analysis methods, distinguished ES and uninfected controls from viremic HIV-1-infected patients. For several miRNAs, however, ES and viremic patients shared similar expression patterns. Differentially expressed miRNAs included those with reported roles in HIV-1 latency (miR-29 family members, miRs -125b and -150). Others, such as miR-31 and miR-31*, had no previously reported connection with HIV-1 infection but were found here to differ significantly with uncontrolled HIV-1 replication.
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2.
1208 Accesses
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HIV infection and HERV expression: a review
Antoinette C van der Kuyl Retrovirology 2012, 9:6 (16 January 2012)
Abstract | Provisional PDF
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Editor’s summary
The human genome contains multiple copies of retrovirus genomes known as endogenous retroviruses (ERVs) that have entered the germ-line at some point in evolution. This review discusses how HIV-1 infection influences the expression of HERVs.
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3.
500 Accesses
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The discovery of endogenous retroviruses
Robin A Weiss Retrovirology 2006, 3:67 (3 October 2006)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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4.
475 Accesses
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Host cell species-specific effect of cyclosporine A on simian immunodeficiency virus replication
Hiroaki Takeuchi, Hiroshi Ishii, Tetsuya Kuwano, Natsuko Inagaki, Hirofumi Akari, Tetsuro Matano Retrovirology 2012, 9:3 (6 January 2012)
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Editor’s summary
This paper shows that CsA treatment enhanced SIV replication in human T cells but abrogated SIV replication in macaque T cells, implying a host cell species-specific effect of CsA on SIV replication. Further analyses indicated a positive effect of CypA on SIV infection into macaque but not into human T cells. These results suggest possible contribution of CypA to the determination of SIV tropism.
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5.
463 Accesses
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The 2011 Retrovirology Prize winner Masao Matsuoka: forward looking and antisense
Kuan-Teh Jeang Retrovirology 2011, 8:102 (15 December 2011)
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Editor’s summary
Masao Matsuoka wins the 2011 Retrovirology Prize
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6.
462 Accesses
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Bone marrow stromal cell antigen 2 (BST-2) restricts mouse mammary tumor virus (MMTV) replication in vivo
Philip H Jones, Harshini V Mehta, Martina Maric, Richard J Roller, Chioma M Okeoma Retrovirology 2012, 9:10 (27 January 2012)
Abstract | Provisional PDF
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Editor’s summary
The findings in this work show that BST-2 restricts MMTV release from naturally infected cells and that BST-2 is an antiviral factor in vivo.
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7.
461 Accesses
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Identification of an endogenous retroviral envelope gene with fusogenic activity and placenta-specific expression in the rabbit: a new "syncytin" in a third order of mammals
Odile Heidmann, Cécile Vernochet, Anne Dupressoir, Thierry Heidmann Retrovirology 2009, 6:107 (27 November 2009)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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8.
394 Accesses
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Human immunodeficiency virus type 1 envelope proteins traffic toward virion assembly sites via a TBC1D20/Rab1-regulated pathway
Dikla Nachmias, Ella H Sklan, Marcelo Ehrlich, Eran Bacharach Retrovirology 2012, 9:7 (19 January 2012)
Abstract | Provisional PDF
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Editor’s summary
Excessive TBC1D20 activity perturbs the early trafficking of HIV-1 envelope protein through the secretory pathway. Overexpression of TBC1D20 hampered envelope processing and reduced its association with detergent-resistant membranes, entailing a reduction in infectivity of HIV-1 virion like particles (VLPs).
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9.
386 Accesses
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Interactions between prostaglandins, leukotrienes and HIV-1: Possible implications for the central nervous system
Jonathan Bertin, Corinne Barat, Sylvie Méthot, Michel J Tremblay Retrovirology 2012, 9:4 (11 January 2012)
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Editor’s summary
The eicosanoids - prostanoids and leukotrienes - are known as potent inflammatory lipid mediators. They are often present in neuroinflammatory diseases, notably HIV-1 infection. Their exact modulatory role in HIV-1 infection is however still poorly understood, especially in the CNS compartment. Nonetheless, a handful of studies have provided evidence as to how these lipid mediators can modulate HIV-1 infection. This review summarizes findings indicating how eicosanoids may influence the progression of neuroAIDS.
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10.
364 Accesses
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Host-virus interaction: a new role for microRNAs
Vinod Scaria, Manoj Hariharan, Souvik Maiti, Beena Pillai, Samir K Brahmachari Retrovirology 2006, 3:68 (11 October 2006)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central |
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11.
363 Accesses
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Translation of MMTV Gag requires nuclear events involving splicing motifs in addition to the viral Rem protein and RmRE
Ioana Boeras, Michael Sakalian, John T West Retrovirology 2012, 9:8 (25 January 2012)
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Editor’s summary
This paper shows that the translation of MMTV Gag mRNA is negatively regulated by a nuclear "experience" and that viral Rem protein, viral RmRE sequence,and a splice donor and acceptor are needed to counter the negative translational effect on Gag mRNA in the cytoplasm.
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12.
356 Accesses
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A reflection on HIV/AIDS research after 25 years
Robert C Gallo Retrovirology 2006, 3:72 (20 October 2006)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central |
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13.
343 Accesses
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SAMHD1: a new insight into HIV-1 restriction in myeloid cells
Corine St Gelais, Li Wu Retrovirology 2011, 8:55 (8 July 2011)
Abstract | Full text | PDF | PubMed
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Editor’s summary
Human myeloid-lineage cells are refractory to HIV-1 infection. The Vpx proteins from HIV-2 and sooty mangabey SIV render these cells permissive to HIV-1 infection through proteasomal degradation of a putative restriction factor. Two recent studies discovered the cellular protein SAMHD1 to be this restriction factor, demonstrating that Vpx induces proteasomal degradation of SAMHD1 and enhances HIV-1 infection in myeloid-lineage cells. SAMHD1 functions as a myeloid-cell-specific HIV-1 restriction factor by inhibiting viral DNA synthesis. Here we discuss the implications of these findings in delineating the mechanisms of HIV-1 restriction in myeloid-lineage cells and the potential role of Vpx in lentiviral pathogenesis.
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14.
340 Accesses
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Systemic inhibition of myeloid dendritic cells by circulating HLA class I molecules in HIV-1 infection
Jinghe Huang, Maha Al-Mozaini, Jerome Rogich, Mary F. Carrington, Katherine Seiss, Florencia Pereyra, Mathias Lichterfeld, Xu G. Yu Retrovirology 2012, 9:11 (30 January 2012)
Abstract | Provisional PDF
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Editor’s summary
During progressive HIV-1 infection, soluble HLA class I molecules can contribute to systemic immune dysfunction by inhibiting the antigen-presenting properties of myeloid dendritic cells through interactions with inhibitory myelomonocytic HLA class I receptors.
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15.
334 Accesses
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Disease-associated XMRV sequences are consistent with laboratory contamination
Stéphane Hué, Eleanor R Gray, Astrid Gall, Aris Katzourakis, Choon Tan, Charlotte J Houldcroft, Stuart McLaren, Deenan Pillay, Andrew Futreal, Jeremy A Garson, Oliver G Pybus, Paul Kellam, Greg J Towers Retrovirology 2010, 7:111 (20 December 2010)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central | | F1000 Biology
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Editor’s summary
We demonstrate that Taqman PCR primers previously described as XMRV-specific can amplify common murine endogenous viral sequences from mouse suggesting that mouse DNA can contaminate patient samples and confound specific XMRV detection. To consider the provenance of XMRV we sequenced XMRV from the cell line 22Rv1, which is infected with an MLV-X that is indistinguishable from patient derived XMRV. Bayesian phylogenies clearly show that XMRV sequences reportedly derived from unlinked patients form a monophyletic clade with interspersed 22Rv1 clones (posterior probability >0.99). The cell line-derived sequences are ancestral to the patient-derived sequences (posterior probability >0.99). Furthermore, pol sequences apparently amplified from PC patient material (VP29 and VP184) are recombinants of XMRV and Moloney MLV (MoMLV) a virus with an envelope that lacks tropism for human cells. Considering the diversity of XMRV we show that the mean pairwise genetic distance among env and pol 22Rv1-derived sequences exceeds that of patient-associated sequences (Wilcoxon rank sum test: p=0.005 and p<0.001 for pol and env, respectively). Thus XMRV sequences acquire diversity in a cell line but not in patient samples. These observations are difficult to reconcile with the hypothesis that published XMRV sequences are related by a process of infectious transmission.
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16.
314 Accesses
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A historical reflection on the discovery of human retroviruses
Anders Vahlne Retrovirology 2009, 6:40 (1 May 2009)
Abstract | Full text | PDF | PubMed |
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17.
314 Accesses
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HIV-1 Group P is unable to antagonize human tetherin by Vpu, Env or Nef
Daniel Sauter, Stephane Hue, Sarah J Petit, Jean-Christophe Plantier, Greg J Towers, Frank Kirchhoff, Ravindra K Gupta Retrovirology 2011, 8:103 (15 December 2011)
Abstract | Provisional PDF
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Editor’s summary
The analyses of the two reported HIV-1 Group P viruses suggest that zoonosis occurred in the last 170 years and further support that pandemic HIV-1 Group M strains are better adapted to humans than non-pandemic or rare Group O, N and P viruses.
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18.
301 Accesses
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Identification, characterization, and comparative genomic distribution of the HERV-K (HML-2) group of human endogenous retroviruses
Ravi P Subramanian, Julia H Wildschutte, Crystal Russo, John M Coffin Retrovirology 2011, 8:90 (8 November 2011)
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Editor’s summary
This study presents the most comprehensive and accurate catalog of all full-length and partial HML-2 proviruses, as well as solo LTR elements, within the published human genome to date.
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19.
287 Accesses
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Innate immune recognition and activation during HIV infection
Trine H Mogensen, Jesper Melchjorsen, Carsten S Larsen, Søren R Paludan Retrovirology 2010, 7:54 (22 June 2010)
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20.
285 Accesses
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The W100 pocket on HIV-1 gp120 penetrated by b12 is not a target for other CD4bs monoclonal antibodies
Maria J Duenas-Decamp, Olivia J O'Connell, Davide Corti, Susan Zolla-Pazner, Paul R Clapham Retrovirology 2012, 9:9 (27 January 2012)
Abstract | Provisional PDF
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Editor’s summary
This study indicates that the b12 W100 pocket on gp120 is targeted infrequently by CD4bs mabs. This site is therefore not a priority for preservation in vaccines aiming to elicit antibodies targeting the CD4bs.
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21.
281 Accesses
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A whole genome screen for HIV restriction factors
Li Liu, Nidia MM Oliveira, Kelly M Cheney, Corinna Pade, Hanna Dreja, Ann-Marie H Bergin, Viola Borgdorff, David H Beach, Cleo L Bishop, Matthias T Dittmar, Áine McKnight Retrovirology 2011, 8:94 (14 November 2011)
Abstract | Full text | PDF | PubMed
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Editor’s summary
This work screened 19,121 human genes and identified 114 factors with significant inhibition of HIV-1 infection. The authors focused on the PAF1 complex for its restriction activity.
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22.
271 Accesses
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Inhibition of HIV-1 infection by TNPO3 depletion is determined by capsid and detectable after viral cDNA enters the nucleus
Alberto De Iaco, Jeremy Luban Retrovirology 2011, 8:98 (6 December 2011)
Abstract | Full text | PDF | PubMed
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Editor’s summary
This work shows that TNPO3 promotes HIV-1 infectivity at a step in the virus life cycle that is detectable after the preintegration complex arrives in the nucleus and CA is the viral determinant for TNPO3 dependence.
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23.
261 Accesses
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The pathogenesis of HIV infection: stupid may not be so dumb after all
Stephen M Smith Retrovirology 2006, 3:60 (8 September 2006)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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24.
257 Accesses
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Mutations affecting interaction of integrase with TNPO3 do not prevent HIV-1 cDNA nuclear import
Alexandra Cribier, Emmanuel Segeral, Olivier Delelis, Vincent Parissi, Aurelie Simon, Marc Ruff, Richard Benarous, Stephane Emiliani Retrovirology 2011, 8:104 (16 December 2011)
Abstract | Provisional PDF
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Editor’s summary
The functional analysis of HIV-1 IN mutants reveals distinct structural basis for TNPO3 interaction and suggests that the interaction between IN and TNPO3 is not a major determinant of nuclear import but could take place at a nuclear step prior to integration.
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25.
256 Accesses
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The prototype HIV-1 maturation inhibitor, bevirimat, binds to the CA-SP1 cleavage site in immature Gag particles
Albert T Nguyen, Christa L Feasley, Ken W Jackson, Theodore J Nitz, Karl Salzwedel, Gillian M Air, Michael Sakalian Retrovirology 2011, 8:101 (7 December 2011)
Abstract | Full text | PDF | PubMed
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Editor’s summary
This is the first demonstration of a direct interaction between the maturation inhibitor, bevirimat, and its target, Gag. Information gained from this study sheds light on the mechanisms by which the virus develops resistance to this class of drug and may aid in the design of next-generation maturation inhibitors.
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