Role of CD4 and CCR5 levels in the susceptibility of primary macrophages to infection by CCR5-dependent HIV type 1 isolates.

abstract：:HIV-1 and HTLV-1 infect CD4(+) T lymphocyte but little is known about the impact of coinfection on patient's immune response. In this study we have evaluated the spontaneous production of interleukin (IL)-2, IL-4, IL-6, and IL-10 and interferon (IFN)-γ by unstimulated peripheral blood mononuclear cell (PBMC) cultures ...

journal_title：AIDS research and human retroviruses

authors： Abrahão MH,Lima RG,Netto E,Brites C

更新日期：2012-08-01 00:00:00

abstract：:As antiretroviral therapy continues to scale-up in developing countries, there is concern that high levels of HIV drug resistance to antiretroviral drugs will occur. Here we describe rates of emergence of HIV-1 drug resistance and factors associated with their occurrence among adults who received antiretroviral therap...

journal_title：AIDS research and human retroviruses

authors： Hanson DL,Adjé-Touré C,Talla-Nzussouo N,Eby P,Borget MY,Kouadio LY,Celestin BE,Tossou O,Eholie S,Kadio A,Chorba T,Nkengasong JN

更新日期：2009-05-01 00:00:00

abstract：:We aimed to determine the prevalence of a prolonged QTc interval in HIV-infected patients and its related factors through an observational study of a cohort of asymptomatic HIV-infected outpatients. All patients underwent a standard 12-lead electrocardiogram and a transthoracic echocardiogram. Prolonged QTc was consid...

journal_title：AIDS research and human retroviruses

authors： Moreno T,Pérez I,Isasti G,Cabrera F,Santos J,Palacios R

更新日期：2013-09-01 00:00:00

abstract：:HIV-1 from infected subjects has been characterized in order to provide a more accurate view of the strains that are currently found in a given region. In this report, we focused on characterizing the pol gene diversity obtained from newly diagnosed patients in Santos metropolitan area, Brazil. This region is composed...

journal_title：AIDS research and human retroviruses

authors： de Sa-Filho DJ,Ambar RF,Duarte NB,Matias RB,Candido V,Gagliani LH,Caseiro MM

更新日期：2009-09-01 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：:It has been proposed that HIV-1-neutralizing 2F5 and 4E10 monoclonal antibodies recognize gp41 ectodomain pretransmembrane sequences in the context of the membrane interface. With the aim of evaluating lipid-bilayer surface effects on recognition, we use phospholipid model systems to investigate the ability of 2F5 and...

journal_title：AIDS research and human retroviruses

authors： Sánchez-Martínez S,Lorizate M,Katinger H,Kunert R,Nieva JL

更新日期：2006-10-01 00:00:00

abstract：:Intense research into fundamental processes of human immunodeficiency syndrome type 1 (HIV-1) replication has yielded knowledge that in many aspects equals or exceeds that of the oncogenic retroviruses. The availability of sensitive virus detection methods has allowed a more thorough characterization of the biology of...

journal_title：AIDS research and human retroviruses

authors： Stevenson M,Bukrinsky M,Haggerty S

更新日期：1992-02-01 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 antigens were detected by immunoelectron microscopy at the surface of human and simian T4 lymphocytes that had been infected in vitro. HIV antigens were detected at the surface of cells exhibiting viral particles but also at the surface of cells before the release of virions. The latter cells may be considered imm...

journal_title：AIDS research and human retroviruses

authors： Desportes I,Bonnet D,Nicol I,Snart R,Sarin P

更新日期：1989-02-01 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：:In a polygamous marriage in Senegal, the husband and his two spouses were infected with HIV-1 group O. This study provides new full-length genome sequences for the two spouses (99SE-MP1299 and 99SE-MP1300) and the 3'-end LTR-tat fragment (6084 bp) for the husband (98SE-42HALD). Phylogenetic tree and diversity plot ana...

journal_title：AIDS research and human retroviruses

authors： Kane CT,Montavon C,Toure MA,Faye MA,Ndiaye AG,Diallo AG,Ndoye I,Liegeois F,Delaporte E,Mboup S,Peeters M

更新日期：2001-08-10 00:00:00

abstract：:HIV prevalence in the Limpopo Province has increased rapidly within the past 10 years, as in other parts of South Africa. Little is known about the genetic and biological properties of HIV circulating in this region including the baseline drug resistance profiles. We therefore collected blood samples from 42 HIV-1-inf...

journal_title：AIDS research and human retroviruses

authors： Bessong PO,Larry Obi C,Cilliers T,Choge I,Phoswa M,Pillay C,Papathanasopoulos M,Morris L

更新日期：2005-01-01 00:00:00

abstract：:In vitro and in vivo studies have demonstrated that HIV can infect thymocytes at different maturational stages and lead to changes in the thymic microenvironment. To determine the effect of HIV on thymic stromal cells and the production of cytokines important in thymocyte development, three types of adherent thymic cu...

journal_title：AIDS research and human retroviruses

authors： Sandborg CI,Imfeld KL,Zaldivar F Jr,Berman MA

更新日期：1994-10-01 00:00:00

abstract：:Propensity for developing coronary heart disease (CHD) is linked with Framingham-defined cardiovascular risk factors and elevated inflammatory biomarkers. Cardiovascular risk and inflammatory biomarkers were evaluated in ARIES, a Phase IIIb/IV clinical trial in which 515 antiretroviral-naive HIV-infected subjects init...

journal_title：AIDS research and human retroviruses

authors： Young B,Squires KE,Ross LL,Santiago L,Sloan LM,Zhao HH,Wine BC,Pakes GE,Margolis DA,Shaefer MS,Aries EPZ108859 Study Team.

更新日期：2013-02-01 00:00:00

abstract：:We studied 123 samples from adult chronic HIV patients initiating HAART from various centers around a newly established clinical trial site in Pretoria. Each sample was sequenced in at least one structural gene (pol, gag, and env) or functional gene (vif, vpr, and vpu). A subset of 25 samples was subjected to near ful...

journal_title：AIDS research and human retroviruses

authors： Musyoki A,Mothapo K,Rakgole J,Lukhwareni A,Bessong P,Selabe G,Bredell H,Williamson C,Mphahlele MJ

更新日期：2012-09-01 00:00:00

abstract：:The emergence of T cell-tropic, syncytium-inducing (T-tropic/SI) HIV-1 variants from the background of macrophage-tropic, non-syncytium-inducing (M-tropic/NSI) strains is associated with disease progression in infected individuals. HIV89.6 is a primary isolate with a transitional phenotype: like M-tropic strains it re...

journal_title：AIDS research and human retroviruses

authors： Smyth RJ,Yi Y,Kim FM,Collman RG

更新日期：1997-06-10 00:00:00

abstract：:Thirty years after its beginning, the HIV/AIDS epidemic is still raging around the world. According to UNAIDS, in 2011 alone 1.7M deaths were attributable to AIDS, and 2.5M people were newly infected by the virus. Despite the success in treating HIV-infected people with potent antiretroviral drugs, preventing HIV infe...

journal_title：AIDS research and human retroviruses

authors： Romano J,Kashuba A,Becker S,Cummins J,Turpin J,Veronese F,Antiretroviral Pharmacology In HIV Prevention Think Tank Participants.

更新日期：2013-11-01 00:00:00

abstract：:We report the results of an external quality control program, including 17 Italian centers involved in the care of patients infected by HIV, to evaluate CD4 T cell count proficiency and reproducibility. The centers received two commercial stabilized blood preparations, one with "normal" and one with "low" CD4 T cell c...

journal_title：AIDS research and human retroviruses

authors： Martini F,D'Offizi G,Girardi E,Vitale A,Cimini E,Mollicone B,Vlassi C,Aiuti F,Other Members of 2005 Italian CD4 Quality Control Network.

更新日期：2007-06-01 00:00:00

abstract：:There is little evidence comparing treatment outcomes between adolescents and other age groups, particularly in resource-limited settings. A retrospective analysis of data from seven HIV clinics across urban Gauteng (n=5) and rural Mpumalanga (n=2), South Africa was conducted. The analysis compared HIV-positive antire...

journal_title：AIDS research and human retroviruses

authors： Evans D,Menezes C,Mahomed K,Macdonald P,Untiedt S,Levin L,Jaffray I,Bhana N,Firnhaber C,Maskew M

更新日期：2013-06-01 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：:The HIV-1 envelope glycoprotein complex (Env) can be stabilized by the introduction of a disulfide bond between the gp120 and gp41 subunits. The resulting protein is monomeric, but trimerization can be improved by the introduction of a single helix-breaking residue at the conserved Ile559 site in the N-terminal heptad...

journal_title：AIDS research and human retroviruses

authors： Sanders RW,Busser E,Moore JP,Lu M,Berkhout B

更新日期：2004-07-01 00:00:00

abstract：:The function of the p12(I) protein of human T cell lymphotropic virus type I (HTLV-I) has been under debate. p12K (lysine) and p12R (arginine) variants of this protein at amino acid 88 and a shorter life of p12K had been reported by another group. Because HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/...

journal_title：AIDS research and human retroviruses

authors： Furukawa Y,Usuku K,Izumo S,Osame M

更新日期：2004-10-01 00:00:00

abstract：:To better understand the emergence of HIV-1 variants in Barbados and the association with transmission modes, we analyzed phylogenetic relationships and genetic variability among HIV-1 strains collected in 1996 from 36 antiretroviral therapy-naive patients. Only subtype B variants were present in this sampling, based ...

journal_title：AIDS research and human retroviruses

authors： Gittens MV,Roth WW,Roach T,Stringer HG Jr,Pieniazek D,Bond VC,Levett PN

更新日期：2003-04-01 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：:Immunoliposomes containing monoclonal antibodies (MAbs) to the costimulatory molecules CD28 and CTLA4 and their counterreceptors B7-1 (CD80) and B7-2 (CD86) were evaluated for the ability to increase the immune response to recombinant envelope protein rgp120 of the MN strain of human immunodeficiency virus type 1 (HIV...

journal_title：AIDS research and human retroviruses

authors： Ozpolat B,Rao XM,Powell MF,Lachman LB

更新日期：1998-03-20 00:00:00

abstract：:Foamy viruses are a genus of complex retroviruses that infect a wide variety of mammals. However, a clear association with any disease process has yet to be proven for these viruses. A higher human seroprevalence was reported in African populations, perhaps due to exposure to simian foamy viruses (SFV) endemic in prim...

journal_title：AIDS research and human retroviruses

authors： Goepfert PA,Ritter GD Jr,Peng X,Gbakima AA,Zhang Y,Mulligan MJ

更新日期：1996-12-10 00:00:00

abstract：:The purpose of this study was to investigate the mechanism of acquired cellular resistance to AZT, a mechanism that has been described as a potential source of drug resistance in addition to viral mutations. To study this phenomenon the kinetics parameters of thymidine kinase (TK) activity have been defined in CEMazt,...

journal_title：AIDS research and human retroviruses

authors： Antonelli G,Turriziani O,Verri A,Narciso P,Ferri F,D'Offizi G,Dianzani F

更新日期：1996-02-10 00:00:00

abstract：:To eradicate human immunodeficiency virus type 1 (HIV-1) infection, a comprehensive strategy including preventive vaccine development is needed. Envelope glycoproteins (Env) play a central role in viral infection and are the major targets of humoral immune responses. Therefore, Env is a candidate vaccine antigen, and ...

journal_title：AIDS research and human retroviruses

authors： Sasaki M,Kotaki T,Khairunisa SQ,Tachibana S,Ophinni Y,Hayashi Y,Nasronudin,Kameoka M

更新日期：2020-03-01 00:00:00

abstract：:Transmission of HIV-1 and drug resistance continue to occur at a considerable level in Italy, influenced mainly by changes in modality of infection. However, the long period of infectivity makes difficult the interpretation of epidemiological networks, based on epidemiological data only. We studied 510 naive HIV-1-inf...

journal_title：AIDS research and human retroviruses

authors： Lai A,Violin M,Ebranati E,Franzetti M,Micheli V,Gismondo MR,Capetti A,Meraviglia P,Simonetti FR,Bozzi G,Ciccozzi M,Galli M,Zehender G,Balotta C

更新日期：2012-08-01 00:00:00

abstract：:Maraviroc is a first-in-class chemokine coreceptor type-5 (CCR5) antagonist with demonstrated immunovirologic activity in treatment-experienced (TE) patients with CCR5 (R5)-tropic HIV-1; however, experience in regimens containing newer antiretroviral agents is limited. The primary objective of this 96-week open-label,...

journal_title：AIDS research and human retroviruses

authors： Furtado J,Madruga JV,Bicudo EL,da Eira M,Lopes MI,Netto EM,Santini-Oliveira M,Leite OH,Machado AA,Tupinambas U,de Andrade Neto JL,Lima MP,Pedro Rde J,Miranda AF,Lewi DS,Santos BR,Portsmouth S,Wajsbrot DB,Cassoli LM

更新日期：2013-09-01 00:00:00