Conference highlights of the 16th International Conference on Human Retrovirology: HTLV and related retroviruses, 26-30 June 2013, Montreal, Canada.

abstract：:The mouse macrophage-like cell line RAW264.7, the most commonly used mouse macrophage cell line in medical research, was originally reported to be free of replication-competent murine leukemia virus (MuLV) despite its origin in a tumor induced by Abelson MuLV containing Moloney MuLV as helper virus. As currently avail...

journal_title：Retrovirology

authors： Hartley JW,Evans LH,Green KY,Naghashfar Z,Macias AR,Zerfas PM,Ward JM

更新日期：2008-01-04 00:00:00

abstract：:Susceptibility to HIV-1 and the clinical course after infection show a substantial heterogeneity between individuals. Part of this variability can be attributed to host genetic variation. Initial candidate gene studies have revealed interesting host factors that influence HIV infection, replication and pathogenesis. R...

journal_title：Retrovirology

authors： van Manen D,van 't Wout AB,Schuitemaker H

更新日期：2012-08-24 00:00:00

abstract：BACKGROUND:Adult T-cell leukemia lymphoma (ATLL) is a chemotherapy-resistant malignancy with a median survival of less than one year that will afflict between one hundred thousand and one million individuals worldwide who are currently infected with human T-cell leukemia virus type 1. Recurrent somatic mutations in hos...

journal_title：Retrovirology

authors： Rauch DA,Olson SL,Harding JC,Sundaramoorthi H,Kim Y,Zhou T,MacLeod AR,Challen G,Ratner L

更新日期：2020-08-28 00:00:00

abstract：BACKGROUND:Efficient targeted gene transfer and cell type specific transgene expression are important for the safe and effective expression of transgenes in vivo. Enveloped viral vectors allow insertion of exogenous membrane proteins into their envelopes, which could potentially aid in the targeted transduction of spec...

journal_title：Retrovirology

authors： Ye Z,Harmison GG,Ragheb JA,Schubert M

更新日期：2005-12-21 00:00:00

abstract：:Integration of viral DNA into the host genome is a central event in the replication cycle and the pathogenesis of retroviruses, including HIV. Although most cells infected with HIV are rapidly eliminated in vivo, HIV also infects long-lived cells that persist during combination antiretroviral therapy (cART). Cells wit...

journal_title：Retrovirology

authors： Anderson EM,Maldarelli F

更新日期：2018-10-23 00:00:00

abstract：BACKGROUND:The APOBEC3 (A3) family of DNA cytosine deaminases provides an innate barrier to infection by retroviruses including HIV-1. A total of five enzymes, A3C, A3D, A3F, A3G and A3H, are degraded by the viral accessory protein Vif and expressed at high levels in CD4+ T cells, the primary reservoir for HIV-1 replic...

journal_title：Retrovirology

authors： Anderson BD,Ikeda T,Moghadasi SA,Martin AS,Brown WL,Harris RS

更新日期：2018-12-17 00:00:00

abstract：BACKGROUND:Chemokine receptors (CKRs), the primordial receptors for primate lentiviruses, are sufficient to mediate virus-cell fusion. Several different fusogenic CKRs and related receptors provide a broad potential host cell range, presumably advantageous for viral spread within a given infected individual, and across...

journal_title：Retrovirology

authors： Iyengar S,Schwartz DH

更新日期：2012-07-25 00:00:00

abstract：BACKGROUND:Crocodilians are thought to be hosts to a diverse and divergent complement of endogenous retroviruses (ERVs) but a comprehensive investigation is yet to be performed. The recent sequencing of three crocodilian genomes provides an opportunity for a more detailed and accurate representation of the ERV diversit...

journal_title：Retrovirology

authors： Chong AY,Kojima KK,Jurka J,Ray DA,Smit AF,Isberg SR,Gongora J

更新日期：2014-12-12 00:00:00

abstract：BACKGROUND:Cellular infection with human immunodeficiency virus (HIV) both in vitro and in vivo requires a member of the chemokine receptor family to act as a co-receptor for viral entry. However, it is presently unclear to what extent the interaction of HIV proteins with chemokine receptors generates intracellular sig...

journal_title：Retrovirology

authors： Grainger DJ,Lever AM

更新日期：2005-04-04 00:00:00

abstract：:An estimated 90% of all HIV transmissions occur mucosally. Immunoglobulin A (IgA) molecules are important components of mucosal fluids. In a vaccine efficacy study, in which virosomes displaying HIV gp41 antigens protected most rhesus monkeys (RMs) against simian-human immunodeficiency virus (SHIV), protection correla...

journal_title：Retrovirology

authors： Zhou M,Ruprecht RM

更新日期：2014-12-14 00:00:00

abstract：:Few years after HTLV-1 identification and isolation in humans, STLV-1, its simian counterpart, was discovered. It then became clear that STLV-1 is present almost in all simian species. Subsequent molecular epidemiology studies demonstrated that, apart from HTLV-1 subtype A, all human subtypes have a simian homolog. As...

journal_title：Retrovirology

authors： Jégado B,Kashanchi F,Dutartre H,Mahieux R

更新日期：2019-12-16 00:00:00

abstract：BACKGROUND:The widespread use of highly effective, combination antiretroviral therapy (cART) has led to a significant reduction in the incidence of HIV-associated dementia (HAD). Despite these advances, the prevalence of HIV-1 associated neurocognitive disorders (HANDs) has been estimated at approximately 40%-50%. In t...

journal_title：Retrovirology

authors： Evering TH,Kamau E,St Bernard L,Farmer CB,Kong XP,Markowitz M

更新日期：2014-08-15 00:00:00

abstract：BACKGROUND:The foamy viral genome encodes four central purine-rich elements localized in the integrase-coding region of pol. Previously, we have shown that the first two of these RNA elements (A and B) are required for protease dimerization and activation. The D element functions as internal polypurine tract during rev...

journal_title：Retrovirology

authors： Moschall R,Denk S,Erkelenz S,Schenk C,Schaal H,Bodem J

更新日期：2017-02-06 00:00:00

abstract：BACKGROUND:A critical step for retroviral replication is the stable integration of the provirus into the genome of its host. The viral integrase protein is key in this essential step of the retroviral life cycle. Although the basic mechanism of integration by mammalian retroviruses has been well characterized, the fact...

journal_title：Retrovirology

authors： Studamire B,Goff SP

更新日期：2008-06-13 00:00:00

abstract：BACKGROUND:Combination anti-viral therapies have reduced treatment failure rates by requiring multiple specific mutations to be selected on the same viral genome to impart high-level drug resistance. To determine if the common protease inhibitor resistance mutation L90M is only selected once or repeatedly on different ...

journal_title：Retrovirology

authors： Kapoor A,Shapiro B,Shafer RW,Shulman N,Rhee SY,Delwart EL

更新日期：2008-01-25 00:00:00

abstract：:Friends and colleagues remember John N. Brady, Ph.D., Chief of the Virus Tumor Biology Section of the Laboratory of Cellular Oncology, who died much too young at the age of 57 on April 27, 2009 of colon cancer. John grew up in Illinois and received his Ph.D. with Dr. Richard Consigli at Kansas State University studyin...

journal_title：Retrovirology

authors： Pise-Masison CA,Marriott SJ

更新日期：2009-05-19 00:00:00

abstract：BACKGROUND:Host SAM domain and HD domain-containing protein 1 (SAMHD1) suppresses reverse transcription kinetics of HIV-1 in nondividing cells such as macrophages by hydrolyzing and nearly depleting cellular dNTPs, which are the substrates of viral reverse transcriptase (RT). However, unlike HIV-1, HIV-2 and SIVsm enco...

journal_title：Retrovirology

authors： Lenzi GM,Domaoal RA,Kim DH,Schinazi RF,Kim B

更新日期：2014-12-19 00:00:00

abstract：:MicroRNAs play critical role in regulating gene expression. MicroRNA profile of particular cell type bears the signature of cell type specific gene expression. Given that viral pathogens replicate by evading host defenses, research is now focused on the miRNA-regulated genes that critically regulate HIV-1 propagation ...

journal_title：Retrovirology

authors： Kumar A

更新日期：2007-04-12 00:00:00

abstract：BACKGROUND:The gut-associated lymphoid tissue (GALT) is the largest lymphoid organ infected by human immunodeficiency virus type 1 (HIV-1). It serves as a viral reservoir and host-pathogen interface in infection. This study examined whether different parts of the gut and peripheral blood lymphocytes (PBL) contain diffe...

journal_title：Retrovirology

authors： van Marle G,Church DL,Nunweiler KD,Cannon K,Wainberg MA,Gill MJ

更新日期：2010-09-13 00:00:00

abstract：:HIV-mediated CD4 depletion is the hallmark of AIDS and is the most reliable predictor of disease progression. While HIV replication is associated with CD4 depletion in general, plasma viremia by itself predicts the rate of CD4 loss only minimally in untreated patients. To resolve this paradox, I hypothesize the existe...

journal_title：Retrovirology

authors： Wu Y

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND:Existing highly active antiretroviral therapy (HAART) effectively controls viral replication in human immunodeficiency virus type 1 (HIV-1) infected individuals but cannot completely eradicate the infection, at least in part due to the persistence of latently infected cells. One strategy that is being active...

journal_title：Retrovirology

authors： Miller LK,Kobayashi Y,Chen CC,Russnak TA,Ron Y,Dougherty JP

更新日期：2013-10-24 00:00:00

abstract：BACKGROUND:Recognition of microbial products through Toll-like receptors (TLRs) initiates inflammatory responses orchestrated by innate immune cells such as dendritic cells (DCs). As these cells are patrolling mucosal surfaces, a portal of entry for various pathogens including human immunodeficiency virus type-1 (HIV-1...

journal_title：Retrovirology

authors： Thibault S,Fromentin R,Tardif MR,Tremblay MJ

更新日期：2009-05-06 00:00:00

abstract：BACKGROUND:HIV-1 capsid influences viral uncoating and nuclear import. Some capsid is detected in the nucleus but it is unclear if it has any function. We reported that the antibiotic Coumermycin-A1 (C-A1) inhibits HIV-1 integration and that a capsid mutation confers resistance to C-A1, suggesting that capsid might aff...

journal_title：Retrovirology

authors： Chen NY,Zhou L,Gane PJ,Opp S,Ball NJ,Nicastro G,Zufferey M,Buffone C,Luban J,Selwood D,Diaz-Griffero F,Taylor I,Fassati A

更新日期：2016-04-23 00:00:00

abstract：BACKGROUND:Early HIV-1 infection causes massive CD4+ T cell death in the gut and translocation of bacteria into the circulation. However, the programmed cell death (PCD) pathways used by HIV-1 to kill CD4+ T cells in the gut, and the impact of microbial exposure on T cell loss, remain unclear. Understanding mucosal HIV...

journal_title：Retrovirology

authors： Steele AK,Lee EJ,Manuzak JA,Dillon SM,Beckham JD,McCarter MD,Santiago ML,Wilson CC

更新日期：2014-02-04 00:00:00

abstract：BACKGROUND:The process of HIV-1 genomic RNA (gRNA) encapsidation is governed by a number of viral encoded components, most notably the Gag protein and gRNA cis elements in the canonical packaging signal (ψ). Also implicated in encapsidation are cis determinants in the R, U5, and PBS (primer binding site) from the 5' un...

journal_title：Retrovirology

authors： Cockrell AS,van Praag H,Santistevan N,Ma H,Kafri T

更新日期：2011-06-24 00:00:00

abstract：:The glycan supersite centered on N332 in the V3 base of the HIV-1 envelope (Env) is a target for broadly neutralizing antibodies (bnAbs) such as PGT121 and PGT128. In this study, we examined the basis of resistance of HIV-1 clade C Envs obtained from broadly cross neutralizing (BCN) plasma of an Indian donor with N332...

journal_title：Retrovirology

authors： Deshpande S,Patil S,Kumar R,Hermanus T,Murugavel KG,Srikrishnan AK,Solomon S,Morris L,Bhattacharya J

更新日期：2016-08-30 00:00:00

abstract：BACKGROUND:HIV-1 Vif interacts with the cellular core-binding factor β (CBFβ) and counteracts the protective roles of certain human APOBEC3 (A3) proteins by targeting them for proteasomal degradation. Previous studies have identified some amino acids important for Vif-CBFβ interactions, and recently a co-crystal struct...

journal_title：Retrovirology

authors： Desimmie BA,Smith JL,Matsuo H,Hu WS,Pathak VK

更新日期：2017-03-17 00:00:00

abstract：:Traditionally, NK cells belong to the innate immune system and eliminate virus-infected cells through their germline-encoded receptors. However, NK cells were recently reported to possess memory-like functions that were predominantly provided by hepatic NK cells. Memory properties were mainly documented in contact hyp...

journal_title：Retrovirology

authors： Littwitz-Salomon E,Nguyen T,Schimmer S,Dittmer U

更新日期：2018-10-06 00:00:00

abstract：BACKGROUND:Jaagsiekte sheep retrovirus (JSRV) causes a contagious lung cancer in sheep and goats that can be transmitted by aerosols produced by infected animals. Virus entry into cells is initiated by binding of the viral envelope (Env) protein to a specific cell-surface receptor, Hyal2. Unlike almost all other retrov...

journal_title：Retrovirology

authors： Miller AD,De Las Heras M,Yu J,Zhang F,Liu SL,Vaughan AE,Vaughan TL,Rosadio R,Rocca S,Palmieri G,Goedert JJ,Fujimoto J,Wistuba II

更新日期：2017-01-20 00:00:00

abstract：BACKGROUND:Formation of a mature core is a crucial event for infectivity of retroviruses such as Mason-Pfizer monkey virus (M-PMV). The process is triggered by proteolytic cleavage of the polyprotein precursor Gag, which releases matrix, capsid (CA), and nucleocapsid proteins. Once released, CA assembles to form a matu...

journal_title：Retrovirology

authors： Obr M,Hadravová R,DoleŽal M,KříŽová I,Papoušková V,Zídek L,Hrabal R,Ruml T,Rumlová M

更新日期：2014-10-30 00:00:00