Study of viral replication in HIV-1-infected CEM T-cell subclones which are reduced in their ability to form syncytia.

abstract：:To help in the vaccine development, WHO-UNAIDS launched a program for the isolation and characterization of subtype C viruses, the most prevalent HIV-1 subtype in the world. Isolates were obtained from Brazil, China, India, Israel, and South Africa, countries in which these strains are circulating. In this study we ge...

journal_title：AIDS research and human retroviruses

authors： Sánchez-Merino V,Herrero CC,Amorin-Nink A,von Briesen H,López-Galíndez C,World Health Organization-UNAIDS Network for Isolation and Characterization.

更新日期：2003-01-01 00:00:00

abstract：:A new HIV-1 circulating recombinant form (CRF), CRF33_01B, has been identified in Malaysia. Concurrently we found a unique recombinant form (URF), that is, the HIV-1 isolate 06MYKLD46, in Kuala Lumpur, Malaysia. It is composed of B or a Thai variant of the B subtype (B') and CRF01_AE. Here, we determined the near full...

journal_title：AIDS research and human retroviruses

authors： Lau KA,Wang B,Kamarulzaman A,Ng KP,Saksena NK

更新日期：2007-09-01 00:00:00

abstract：:Aging with HIV poses unique and complex challenges, including avoidance of neurocognitive disorder. Our objective here is to identify the prevalence and predictors of successful cognitive aging (SCA) in a sample of older adults with HIV. One hundred three HIV-infected individuals aged 50 and older were recruited from ...

journal_title：AIDS research and human retroviruses

authors： Wallace LM,Ferrara M,Brothers TD,Garlassi S,Kirkland SA,Theou O,Zona S,Mussini C,Moore D,Rockwood K,Guaraldi G

更新日期：2017-02-01 00:00:00

abstract：:Simian AIDS-related lymphomas (sARL) of cynomolgus monkeys infected with a simian immunodeficiency virus (SIVsm) were studied in relation to growth in severe combined immunodeficient (SCID) mice, karyotype abnormalities, and DNA sequence of the first noncoding region of the Bcl-6 gene. The tumors were diffuse large B ...

journal_title：AIDS research and human retroviruses

authors： Castaños-Vélez E,Heiden T,Lindvall C,Capello D,Sandlund A,Imreh S,Blennow E,Andersson LC,Gaidano G,Nordenskjöld M,Biberfeld P

更新日期：2002-03-20 00:00:00

abstract：:A comparative study at the genomic and protein level was performed between two immunologically related spumaretroviruses, the human HSRV and the simian SFV6. Cross immunoprecipitation analysis with specific polyclonal and monoclonal antisera indicates shared antigenic determinants. However, restriction analysis of the...

journal_title：AIDS research and human retroviruses

authors： Tobaly-Tapiero J,Santillana-Hayat M,Giron ML,Guillemin MC,Rozain F,Périès J,Emanoil-Ravier R

更新日期：1990-07-01 00:00:00

abstract：:Alcohol use disorder (AUD) is a frequent comorbidity among people living with HIV/AIDS (PLWHA). Alcohol consumption is a significant predictor of nonadherence to antiretroviral therapy (ART), as well as worsening immunological and virological indicators among PLWHA. Clinical studies indicate that higher viral loads in...

journal_title：AIDS research and human retroviruses

authors： Simon L,Siggins R,Winsauer P,Brashear M,Ferguson T,Mercante D,Song K,Vande Stouwe C,Nelson S,Bagby G,Amedee A,Molina PE

更新日期：2018-02-01 00:00:00

abstract：:We examined baseline HIV-1 protease and reverse transcriptase sequences and HIV clinical parameters from 1,021 consecutive patients (814 male, 207 female) through the Royal Perth Hospital HIV service to investigate HIV-1 subtype diversity and local phylogenetic networks from 2000 to 2014. HIV-1 subtype B virus sequenc...

journal_title：AIDS research and human retroviruses

authors： Castley AS,Gaudieri S,James I,Gizzarelli LS,Guelfi G,John M,Nolan D

更新日期：2016-03-01 00:00:00

abstract：:To investigate the HIV-1 molecular epidemiology among young people (18 to 25 years old) in Hangzhou. Plasma samples from 262 newly diagnosed HIV-1-infected patients were collected between 2009 and 2013 from Hangzhou of Zhejiang province. HIV-1 nucleotide sequences of pol gene regions were amplified using a nested poly...

journal_title：AIDS research and human retroviruses

authors： Zhang W,Chen J,Pan X,Zhang J,Guo Z,Luo Y,Yang J,Xia Y,He L,Xu Y,Xu K,Ding X

更新日期：2017-03-01 00:00:00

abstract：:A molecular epidemiologic study of HIV-1 in Greenland showed distinct transmission clusters correlated with demographic and behavioral data. Resistance mutations were found in a majority of the pol sequences. The objective of the present study was to estimate prevalence of drug resistance in Greenland and identify tra...

journal_title：AIDS research and human retroviruses

authors： Madsen TV,Lohse N,Jensen ES,Obel N,Ladefoged K,Gerstoft J,Petersen AB,Nielsen C,Jørgensen LB

更新日期：2008-08-01 00:00:00

abstract：:This study examines the association between presence of drug resistance mutations and phenotypic resistance at baseline to virologic response to salvage therapy in a community setting. The study population consisted of 58 antiretroviral drug-experienced patients with HIV-1 infection who had recently switched therapy b...

journal_title：AIDS research and human retroviruses

authors： Ross L,Liao Q,Gao H,Pham S,Tolson J,Hertogs K,Larder B,Saag MS

更新日期：2001-10-10 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) spends a significant part of its life cycle as latent provirus in nonactivated cells. It induction requires mitogen stimulation. TPA treatment induces HIV-1 transcription by protein kinase C (PKC)-mediated activation of the cellular transcription factor NF-kB. PKC activation...

journal_title：AIDS research and human retroviruses

authors： Doppler C,Schalasta G,Amtmann E,Sauer G

更新日期：1992-02-01 00:00:00

abstract：:Laboratory tests that can distinguish recent from long-term HIV infection are used to estimate HIV incidence in a population, but can potentially misclassify a proportion of long-term HIV infections as recent. Correct application of an assay requires determination of the proportion false recents (PFRs) as part of the ...

journal_title：AIDS research and human retroviruses

authors： Shah NS,Duong YT,Le LV,Tuan NA,Parekh BS,Ha HTT,Pham QD,Cuc CTT,Dobbs T,Tram TH,Lien TTX,Wagar N,Yang C,Martin A,Wolfe M,Hien NT,Kim AA

更新日期：2017-06-01 00:00:00

abstract：:The Brazilian AIDS epidemic is characterized by significant geographic contrasts: a reduction in incidence and mortality in the epicenter (southeast) and an increase in the northeast. HIV-1-transmitted drug resistance (TDR) and genetic diversity were investigated among 106 antiretroviral (ARV)-naive patients from Mara...

journal_title：AIDS research and human retroviruses

authors： Moura ME,Reis MN,Lima YA,Eulálio KD,Cardoso LP,Stefani MM

更新日期：2015-02-01 00:00:00

abstract：:Antibodies (Abs) against HLA and other cell surface molecules, which HIV-1 acquires during the budding process at the host cell surface, neutralize HIV-1 in vitro. Macaques were protected against infection by SIV grown in human cells after xenoimmunization with human MHC molecules. Besides the immune responses arising...

journal_title：AIDS research and human retroviruses

authors： Spruth M,Stoiber H,Kacani L,Schönitzer D,Dierich MP

更新日期：1999-04-10 00:00:00

abstract：:This study explores whether previous failures on antiretroviral drug regimens preclude the possibility of immune restoration. This was assessed by evaluating T cell subset changes in individuals who received a salvage regimen of highly active antiretroviral therapy (HAART) after initially failing protease inhibitor mo...

journal_title：AIDS research and human retroviruses

authors： Gray CM,Schapiro JM,Winters MA,Merigan TC

更新日期：1998-05-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) isolates from six infected individuals less then 4 years of age were phenotyped for their syncytium-inducing (SI) ability in MT-2 cells. Three viral isolates that induced syncytia were detected. One SI isolate was from an individual who was in disease stage P2A,B,C and two S...

journal_title：AIDS research and human retroviruses

authors： Forte SE,Byron KS,Sullivan JL,Somasundaran M

更新日期：1994-12-01 00:00:00

abstract：:HIV-1 Vif, Vpr, and Vpu proteins have a profound effect on efficient viral replication and pathogenesis. This study describes the genotypic characterisation of vif , vpr and vpu from 20 South African HIV-1 subtype C primary isolates, and extensive analysis and comparison of known motifs. All HIV-1 subtype C Vif, Vpr a...

journal_title：AIDS research and human retroviruses

authors： Bell CM,Connell BJ,Capovilla A,Venter WD,Stevens WS,Papathanasopoulos MA

更新日期：2007-02-01 00:00:00

abstract：:HIV type 1 (HIV-1) envelope glycoproteins (Env) mediate virus entry and are the target of neutralizing antibodies. Binding of the metastable HIV-1 Env trimer to the CD4 receptor triggers structural rearrangements that mediate Env conformational transitions from a closed conformation to a more open state through an int...

journal_title：AIDS research and human retroviruses

authors： Flemming J,Wiesen L,Herschhorn A

更新日期：2018-09-01 00:00:00

abstract：:An increasing number of circulating recombinant forms (CRFs) and unique recombinant forms (URFs) all over the world has necessitated being vigilant about new recombinants. Since the first report of a recombinant virus with an A1/C mosaic in 1998 more and more B/C and A/C recombinant viruses are being reported from Ind...

journal_title：AIDS research and human retroviruses

authors： Pandey S,Tripathy S,Paranjape R

更新日期：2013-09-01 00:00:00

abstract：:Recombination is one of several factors contributing to the genetic diversity of HIV-1, which is divided into group M (itself comprising 11 subtypes, A-K) and two other groups named O and N. In the present study, the full-length genome of an HIV-1 isolate obtained from a Greek subject (GR17) infected in the Democratic...

journal_title：AIDS research and human retroviruses

authors： Paraskevis D,Magiorkinis M,Paparizos V,Pavlakis GN,Hatzakis A

更新日期：2000-06-10 00:00:00

abstract：:Both saponin and muramyl dipeptide (MDP) formulated with a squalane-in-water emulsion of large particle size prepared with a vortex mixer were superior to Al(OH)3 as adjuvants for HIV gp120 in mice. All the adjuvants induced IgG1 antibody, but saponin elicited the highest titers of IgG2a. The secretion of interleukin-...

journal_title：AIDS research and human retroviruses

authors： Bomford R,Stapleton M,Winsor S,McKnight A,Andronova T

更新日期：1992-10-01 00:00:00

abstract：:HIV-specific CD4+ T cell responses, in particular to the HIV envelope antigen gp120, are often undetectable in the peripheral blood of HIV-infected individuals. The failure to detect these cells poses a significant impediment to studying the T cell populations that are considered to be essential for controlling HIV in...

journal_title：AIDS research and human retroviruses

authors： Cohen S,Tuen M,Hioe CE

更新日期：2003-09-01 00:00:00

abstract：:The ability to trigger an innate immune response against opportunistic pathogens associated with HIV-1 infection is an important aspect of AIDS pathogenesis. Toll-like receptors (TLRs) play a critical role in innate immunity against pathogens, but in HIV-1 patients coinfected with opportunistic infections, the regulat...

journal_title：AIDS research and human retroviruses

authors： Hernández JC,Arteaga J,Paul S,Kumar A,Latz E,Urcuqui-Inchima S

更新日期：2011-10-01 00:00:00

abstract：:Sequences from the nef/LTR overlap region of the human immunodeficiency virus type 2 (HIV-2) genome were amplified from uncultured peripheral blood mononuclear cells (PBMCs) from 40 HIV-2-infected individuals in The Gambia, West Africa. Additional sequences from the plasma of three blood donors were also derived. Anal...

journal_title：AIDS research and human retroviruses

authors： Berry N,Ariyoshi K,Balfe P,Tedder R,Whittle H

更新日期：2001-02-10 00:00:00

abstract：:This study seeks to analyze nearly full-length viral genomes for distinct genetic characteristics that are unique to local or regional strains and to identify regions that have high variability or are highly conserved. Nearly full length sequences of seven HIV-1 samples were obtained to ascertain the circulating subty...

journal_title：AIDS research and human retroviruses

authors： Roye ME,Amarakoon II,Hamilton CL,Eyzaguirre LM,Figueroa P,Carr JK

更新日期：2011-01-01 00:00:00

abstract：:Up to now, all known env subtype E viruses (CRF01-AE) have had the same mosaic structure with subtype A, and no other env subtype E HIV-1 viruses with non-A subtypes in their genomes have been described. In this report we describe the full-length genome sequence of an env subtype E isolate with a recombinant genome di...

journal_title：AIDS research and human retroviruses

authors： Vidal N,Mulanga-Kabeya C,Nzilambi N,Delaporte E,Peeters M

更新日期：2000-12-10 00:00:00

abstract：:In October of 2019, researchers and community members from around the world met at the NIH for the fifth annual International Workshop on Microbiome in HIV. New research was presented on the role of the microbiome on chronic inflammation and vaccine design, interactions of genetics, environment, sexual practice and HI...

journal_title：AIDS research and human retroviruses

authors： Sherrill-Mix S,Connors K,Aldrovandi GM,Brenchley JM,Boucher C,Bushman FD,Collman RG,Dandekar S,Klatt NR,Lagenaur LA,Paredes R,Tachedjian G,Turpin JA,Landay AL,Ghosh M

更新日期：2020-11-01 00:00:00

abstract：:HLA is one of the genetic factors that influence the clinical course of HIV-1 infection, and patients with HLA-B35 are prone to rapid disease progression. Nine viral epitopes that are recognized by cytotoxic T lymphocytes (CTLs) in an HLA-B35-restricted manner were determined. To examine how HIV-1 sequences are select...

journal_title：AIDS research and human retroviruses

authors： Kawana A,Tomiyama H,Takiguchi M,Shioda T,Nakamura T,Iwamoto A

更新日期：1999-08-10 00:00:00

abstract：:This randomized, open-labeled, multicenter study was designed to assess safety and pharmacokinetics of dronabinol (Marinol) tablets and megestrol acetate (Megace) micronized tablets, alone and in combination, for treatment of HIV wasting syndrome. Weight and quality of life data were also collected. Fifty-two patients...

journal_title：AIDS research and human retroviruses

authors： Timpone JG,Wright DJ,Li N,Egorin MJ,Enama ME,Mayers J,Galetto G

更新日期：1997-03-01 00:00:00

abstract：:Our goal has been to develop a safe and effective system that would allow us to explore the functions of the human immunodeficiency virus (HIV) envelope. We have generated a human lymphoid cell line (TF228.1.16) that stably expresses functional HIV envelope proteins on its cell surface, and therefore closely mimics th...

journal_title：AIDS research and human retroviruses

authors： Jonak ZL,Clark RK,Matour D,Trulli S,Craig R,Henri E,Lee EV,Greig R,Debouck C

更新日期：1993-01-01 00:00:00