The antiviral activity of the CXCR4 antagonist AMD3100 is independent of the cytokine-induced CXCR4/HIV coreceptor expression level.

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：: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：:Using blood samples from primary HIV-1 infection (PHI) patients obtained in Lyon, France, we characterized the newly transmitted HIV-1 variants in this area during the 1992-1996 period. As PHI samples allowed the precise timing of the transmission event, we were able to date the introduction of non-B subtypes or recom...

journal_title：AIDS research and human retroviruses

authors： Vachot L,Ataman-Onal Y,Terrat C,Durand PY,Ponceau B,Biron F,Verrier B

更新日期：2004-07-01 00:00:00

abstract：:Human herpesvirus 6 (HHV-6), a lymphotropic herpesvirus, has been suggested as a potential cofactor in the acquired immunodeficiency syndrome (AIDS). Previous studies indicate that HHV-6 has a restricted range of susceptible species. In this study, we tested the in vitro susceptibility to HHV-6 of Macaca nemestrina (p...

journal_title：AIDS research and human retroviruses

authors： Lusso P,Secchiero P,Crowley RW

更新日期：1994-02-01 00:00:00

abstract：:Downregulation of MHC class I expression following human immunodeficiency virus 1 (HIV-1) infection is thought to play an important role in viral escape from immune recognition by cytotoxic T-lymphocytes (CTLs). Since exogenous addition of HIV-1-derived peptides restores susceptibility of HIV-1-infected cells to CTL-m...

journal_title：AIDS research and human retroviruses

authors： Kutsch O,Vey T,Kerkau T,Hünig T,Schimpl A

更新日期：2002-11-20 00:00:00

abstract：:Abstract In southern Brazil, CRF31_BC is the major HIV-1 recombinant form and URFs_BC occurs very infrequently. The near full-length genomes of four samples displaying a similar recombination profile in the integrase region and different profiles in the protease/reverse transcriptase regions were analyzed to elucidate...

journal_title：AIDS research and human retroviruses

authors： Passaes CP,Guimarães ML,Bello G,Morgado MG

更新日期：2009-12-01 00:00:00

abstract：:Dendritic cells (DCs) have been shown to be important in the replication of human and simian immunodeficiency viruses (HIV and SIV, respectively) in vivo and in vitro. DCs express CD4 and several chemokine receptors, such as CCR5 and CXCR4, which are important for viral entry. In vivo, DCs are abundant at body surface...

journal_title：AIDS research and human retroviruses

authors： Ignatius R,Wei Y,Beaulieu S,Gettie A,Steinman RM,Pope M,Mojsov S

更新日期：2000-07-20 00:00:00

abstract：:Primary isolates of human immunodeficiency virus type 1 (HIV-1) were obtained by coculture of peripheral blood lymphocytes (PBLs) from HIV-1-infected people with PBLs from uninfected donors. These viral stocks tend to be resistant to neutralization/inactivation by soluble CD4 (sCD4). When these stocks were passed thro...

journal_title：AIDS research and human retroviruses

authors： Orloff SL,Bandea CI,Kennedy MS,Allaway GP,Maddon PJ,McDougal JS

更新日期：1995-03-01 00:00:00

abstract：:Many aspects of HIV-1 pathogenesis are affected by Nef protein activity, and efforts have been made to study variation in the nef gene and how that variation relates to disease outcome. We studied the genetic diversity of the nef gene in distinct clones obtained from the same patient (intrahost) and in sequences obtai...

journal_title：AIDS research and human retroviruses

authors： Cavalieri E,Florido C,Leal E,Machado DM,Camargo M,Diaz RS,Janini LM

更新日期：2009-11-01 00:00:00

abstract：:AIDS is inexorably involving all parts of the country and all strata of society, with 10% of the urban and 3% of the rural population infected with HIV. It is increasingly a disease of women and children. The major cofactors for transmission are also sexually transmitted. For most developing countries, in spite of all...

journal_title：AIDS research and human retroviruses

authors： Pape JW,Deschamps MM,Verdier RI,Jean S,Desvarieux M,Taverne G,Gelin C,Hyppolite PR,Denize J,Mellon R

更新日期：1992-08-01 00:00:00

abstract：:HIV-1 enters immune cells via binding the viral envelope to a host cell CD4 receptor, and then a secondary co-receptor, usually CCR5 (R5) or CXCR4 (X4), and some HIV can utilize both co-receptors (R5X4). Although a small set of amino-acid properties such as charge and sequence length applied to HIV-1 envelope V3 loop ...

journal_title：AIDS research and human retroviruses

authors： Lamers SL,Fogel GB,Liu ES,Salemi M,McGrath MS

更新日期：2016-08-01 00:00:00

abstract：:Macrophages are a preferred target for sexually transmitted human immunodeficiency virus type 1 (HIV-1) isolates that use CCR5 as a coreceptor in combination with CD4. To assess whether the susceptibility of MDMs to infection by an R5 isolate was influenced by CD4 and/or CCR5 expression, levels of membrane CD4 or CCR5...

journal_title：AIDS research and human retroviruses

authors： Pesenti E,Pastore C,Lillo F,Siccardi AG,Vercelli D,Lopalco L

更新日期：1999-07-20 00:00:00

abstract：:Two commercially available expression vectors were modified to generate plasmids pGEXcPk and pQ9cPk. Proteins expressed from pGEXcPk and pQ9cPk had a short oligopeptide tag termed Pk at their carboxy termini and either glutathione S-transferase (GST) or a small histidine (His) tag, respectively, at their N termini. GS...

journal_title：AIDS research and human retroviruses

authors： Hanke T,Botting C,Green EA,Szawlowski PW,Rud E,Randall RE

更新日期：1994-06-01 00:00:00

abstract：:Cytotoxic T cell determinants should be an important component of an anti-human immunodeficiency virus (HIV) vaccine. The epitopes of proteins can be defined with short synthetic peptides for class I-restricted CTLs. An immunodominant CTL epitope from the HIV-1 IIIB envelope protein gp160 comprising 15 amino acids (re...

journal_title：AIDS research and human retroviruses

authors： Achour A,Lemhammedi S,Picard O,M'Bika JP,Zagury JF,Moukrim Z,Willer A,Beix F,Burny A,Zagury D

更新日期：1994-01-01 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：:Although the effect of highly active antiretroviral therapy (HAART) on HIV-1 replication has been established, the mechanisms involved in restoration of immune responses and reconstitution remain unknown. This study provides evidence of changes in expression of type 1 and type 2 cytokine-specific mRNA occurring during...

journal_title：AIDS research and human retroviruses

authors： Imami N,Antonopoulos C,Hardy GA,Gazzard B,Gotch FM

更新日期：1999-11-20 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 main goal of this work was to identify molecular signatures in envelope surface glycoprotein that may be correlated with coreceptor usage by different human immunodeficiency virus (HIV)-2 strains. From inspection of aligned HIV-2 sequences, we verified that V1/V2 region showed the highest degree of amino acid sequ...

journal_title：AIDS research and human retroviruses

authors： Cerejo P,Santos-Costa Q,Calado M,Espírito-Santo M,Parreira R,Azevedo-Pereira JM

更新日期：2018-02-01 00:00:00

abstract：:We examined risk factors for avascular bone necrosis (AVN) particularly focusing o the question of whether antiretroviral treatment (ART) is associated with the emergence of osteonecrosis. After 11 years of following the entire cohort, 26 patients were found to have AVN. Compared to 260 concurrent HIV-infected control...

journal_title：AIDS research and human retroviruses

authors： Hasse B,Ledergerber B,Egger M,Flepp M,Bachmann S,Bernasconi E,Egger M,Guyot S,Hirschel B,Weber R,Günthard HF,Swiss HIV Cohort Study.

更新日期：2004-09-01 00:00:00

abstract：:HIV-1 is classified into three groups, M (major), N (non-M non-O), and O (outlier); each group arose from a separate transmission of SIVcpz into humans. HIV-1 group N was recently discovered and infections with this virus are rare with only eight documented cases. All group N infections have been found in Cameroon and...

journal_title：AIDS research and human retroviruses

authors： Yamaguchi J,Coffey R,Vallari A,Ngansop C,Mbanya D,Ndembi N,Kaptué L,Gürtler LG,Bodelle P,Schochetman G,Devare SG,Brennan CA

更新日期：2006-01-01 00:00:00

abstract：:The conditioned medium of a HTLV-I-carrying T cell line HUT-102 showed cytotoxic activity against a mouse fibroblast cell line L-M. We prepared the cDNA library from HUT-102 poly(A)+ RNA and screened it using oligonucleotide probes that correspond to the amino acid sequences conserved in tumor necrosis factor (TNF) an...

journal_title：AIDS research and human retroviruses

authors： Kato S,Miki T,Takahashi N,Ohmori M,Hemmi H,Numao N,Kondo K

更新日期：1989-12-01 00:00:00

abstract：:In order to obtain more information about the presence of HIV-1 in mononuclear cells of colostrum, research was carried out on both the HIV-1 genome in the cellular fraction of colostrum and the viral antibody in cell-free colostrum of eight anti-HIV-1 seropositive asymptomatic mothers. In five cases cell fractions of...

journal_title：AIDS research and human retroviruses

authors： Vonesch N,Sturchio E,Humani AC,Cordiali Fei P,Cosenza D,Caprilli F,Pezzella M

更新日期：1992-07-01 00:00:00

abstract：:Recombinant forms contribute significantly to the genetic diversity of HIV-1. Here we report a novel HIV-1 recombinant form (CRF01_AE/B'/C) detected from a comprehensive HIV-1 molecular epidemiologic study among heterosexuals in Jilin province of northeastern China. Recombinant analyses of the near full-length genome ...

journal_title：AIDS research and human retroviruses

authors： Li X,Ning C,Chen Y,Feng Y,Wei M,Xing H,Shao Y

更新日期：2014-07-01 00:00:00

abstract：:We describe four full-length genomic sequences of HIV-1 subtype B isolates from Russia. These full-length HIV-1 genomes were amplified by nested polymerase chain reaction and sequenced. The sequences obtained were subjected to neighbor-joining phylogenetic analysis using a Kimura two-parameter model and to detailed se...

journal_title：AIDS research and human retroviruses

authors： Galkin AN,Gagarina EY,Lukyanova NS,Danilova TV

更新日期：2006-11-01 00:00:00

abstract：:All-trans-retinoic acid (RA) has been shown either to activate or repress human immunodeficiency virus type 1 (HIV-1) replication in primary monocyte-derived-macrophages (MDMs). We systematically investigated the contribution that cell donor and virus differences make to this variability. We found that the effect of R...

journal_title：AIDS research and human retroviruses

authors： Brown XQ,Hanley TM,Viglianti GA

更新日期：2002-06-10 00:00:00

abstract：:Covert vertical transmission of feline immunodeficiency virus (FIV), the feline counterpart of human immunodeficiency virus type 1 (HIV-1), was identified in kittens born to FIV-infected cats. DNA PCR detected FIV gag and env sequences in tissues from kittens nonviable at birth, and in viable kittens monitored postnat...

journal_title：AIDS research and human retroviruses

authors： Allison RW,Hoover EA

更新日期：2003-05-01 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：:A model system was established for studies of humoral and cellular immunity to human immunodeficiency virus (HIV) antigens after vaccination. Macaques (Macaca fascicularis) were immunized with purified HIV, an infected cell extract rich in gp120 or polypeptides of cloned genes representing parts of p24, gp41, and gp12...

journal_title：AIDS research and human retroviruses

authors： Wahren B,Chiodi F,Ljunggren K,Putney S,Kurth R,Gallo RC,Fenyö EM

更新日期：1988-06-01 00:00:00

abstract：:An EBV-transformed lymphoblastoid B cell clone (A12) derived from peripheral blood lymphocytes of an HIV-1-infected individual is described. The immunoglobulin isotype produced by this clone was IgM, and Southern blot analysis of immunoglobulin gene rearrangement showed a monoclonal pattern. The A12 monoclonal antibod...

journal_title：AIDS research and human retroviruses

authors： Amadori A,Ciminale V,Calabro ML,Tessarollo L,Francavilla E,Chieco-Bianchi L

更新日期：1989-02-01 00:00:00

abstract：:To determine the role that cellular immune responses play in the protection conferred by vaccination with attenuated SIVmac32H (pC8), we have attempted to deplete macaques of their CD8+ cells prior to challenge with wild-type SIVmac32H (pJ5). In two of four pC8-infected macaques, N109 and N112, a transient partial dep...

journal_title：AIDS research and human retroviruses

authors： Stebbings R,Stott J,Almond N,Hull R,Lines J,Silvera P,Sangster R,Corcoran T,Rose J,Cobbold S,Gotch F,McMichael A,Walker B

更新日期：1998-09-01 00:00:00