R5 and X4 HIV viruses differentially modulate host gene expression in resting CD4+ T cells.

abstract：:The aim of this study was to evaluate the impact of HIV-1 very low-level viremia (<50 copies/ml) on the 2-year risk of virological failure. A retrospective analysis including HIV-positive patients presenting two consecutive HIV RNA below 50 copies/ml (outpatient clinic in Italy, first semester of 2010) was performed. ...

journal_title：AIDS research and human retroviruses

authors： Calcagno A,Motta I,Ghisetti V,Lo Re S,Allice T,Marinaro L,Milia MG,Tettoni MC,Trentini L,Orofino G,Salassa B,Di Perri G,Bonora S

更新日期：2015-10-01 00:00:00

abstract：:The HIV-1 subtype distribution in 83 HIV-1-seropositive individuals living in Greece was investigated by using the heteroduplex mobility assay (HMA), DNA sequencing, and phylogenetic analysis. The results revealed that partial HIV-1 gp120 sequences from 71 (86%) patients were subtype B, 5 (6%) were subtype A, 4 were s...

journal_title：AIDS research and human retroviruses

authors： Nasioulas G,Paraskevis D,Paparizos V,Lazanas M,Karafoulidou A,Hatzakis A

更新日期：1998-05-20 00:00:00

abstract：:In this study diverse areas of the autopsied brain of 12 HIV-infected patients with and without dementia were analyzed. All brain samples were obtained at autopsy through prior consent. Env C2-V5 region was PCR amplified and sequenced and compared between different brain regions within the same patient and also betwee...

journal_title：AIDS research and human retroviruses

authors： Shah M,Smit TK,Morgello S,Tourtellotte W,Gelman B,Brew BJ,Saksena NK

更新日期：2006-02-01 00:00:00

abstract：:The efficacy, safety, and pharmacokinetics of three doses of tipranavir/ritonavir (TPV/r) in highly treatment-experienced human immunodeficiency virus (HIV)-1-infected patients with protease inhibitor (PI)-resistant isolates were evaluated. A 24-week multicenter, double-blind, randomized, dose-finding trial was conduc...

journal_title：AIDS research and human retroviruses

authors： Gathe JC Jr,Pierone G,Piliero P,Arasteh K,Rubio R,Lalonde RG,Cooper D,Lazzarin A,Kohlbrenner VM,Dohnanyi C,Sabo J,Mayers D

更新日期：2007-02-01 00:00:00

abstract：:The presence of mutations associated with integrase inhibitor (INI) resistance among INI-naive patients may play an important clinical role in the use of those drugs Samples from 76 HIV-1-infected subjects naive to INIs were submitted to direct sequencing. No differences were found between naive (25%) subjects and sub...

journal_title：AIDS research and human retroviruses

authors： Arruda LB,Fonseca LA,Duarte AJ,Casseb J

更新日期：2010-01-01 00:00:00

abstract：:In Taiwan, sexual transmission is responsible for most HIV-1 infections with two dominant subtypes, subtype B and CRF01_AE, distributing among homosexual and heterosexual groups, respectively. Recently, intravenous drug use has become an emerging route of HIV-1 transmission and contributed to a significant increase of...

journal_title：AIDS research and human retroviruses

authors： Chang SY,Sheng WH,Lee CN,Sun HY,Kao CL,Chang SF,Liu WC,Yang JY,Wong WW,Hung CC,Chang SC

更新日期：2006-11-01 00:00:00

abstract：:In this study HIV-1 subtype C-infected adults demonstrated higher purifying selection on their viral populations in reverse transcriptase (RT) than infected children. This difference is likely explained by more mature cytotoxic T-lymphocyte responses in adults, which may have implications for the development of drug r...

journal_title：AIDS research and human retroviruses

authors： Saravanan S,Gomathi S,Kausalya B,Boobalan J,Murugavel KG,Balakrishnan P,Mothi SN,Solomon SS,Kumarasamy N,Selvamuthu P,Solomon S,Smith DM

更新日期：2015-06-01 00:00:00

abstract：:Chemokine receptors are molecules involved in the fusion of immunodeficiency viruses after their attachment. As chimpanzees are the animal model for infection by HIV-1, we cloned and sequenced chimpanzee CXCR4 and CCR5 from PBMCs. Chimpanzee CXCR4 was found to be identical to human CXCR4, which provides an explanation...

journal_title：AIDS research and human retroviruses

authors： Prétet JL,Zerbib AC,Girard M,Guillet JG,Butor C

更新日期：1997-12-10 00:00:00

abstract：:The derivation of ethyl-methanesulfonate (EMS) mutagenized subclones from the CEM T-cell line has been described. These clones expressed CD4 and bound soluble gp120, however, two of the generated clones were markedly reduced in their ability to form syncytia after infection with either gp160-vaccinia vector or cell-fr...

journal_title：AIDS research and human retroviruses

authors： Gruber MF,Hewlett IK,Simms T,Vujcic L,Manischewitz J,Golding H

更新日期：1992-06-01 00:00:00

abstract：:The aim of this study was to compare the extent of resistance to antiretroviral (ARV) drugs among the population in Mexico before and after 2005. The mutations and drug resistance database of Stanford University were used for analyzing drug resistance tests that had been performed on HIV treatment-naive patients. The ...

journal_title：AIDS research and human retroviruses

authors： Escoto-Delgadillo M,Torres-Mendoza BM,Flores-Soto M,Vazquez-Valls E

更新日期：2016-12-01 00:00:00

abstract：:Most HIV-1 transmissions occur at mucosae and involve exposure to semen. Semen contains immunomodulatory factors, which inhibit anti-HIV-1 natural killer cell and T cell responses. We demonstrate high concentrations (1:2 dilution) of seminal plasma (SP) inhibit monocyte phagocytosis and anti-HIV-1 Fc-dependent functio...

journal_title：AIDS research and human retroviruses

authors： Selva KJ,Juno JA,Worley MJ,Chung AW,Tachedjian G,Kent SJ,Parsons MS

更新日期：2019-06-01 00:00:00

abstract：:In this study, HIV strains circulating among military personnel were characterized, in Malabo, the capital city of Equatorial Guinea. One sample was found to be HIV-2 group A while a high degree of genetic diversity was recorded in the pol region of 41 HIV-1-positive samples. CRF02_AG accounted for 53.7% of the strain...

journal_title：AIDS research and human retroviruses

authors： Djoko CF,Wolfe ND,Vidal N,Tamoufe U,Montavon C,LeBreton M,Pike BL,Fair J,Mbacham WF,Benito A,Rimoin AW,Saylors K,Mpoudi-Ngole E,Grillo MP,Peeters M

更新日期：2010-09-01 00:00:00

abstract：:Enhancement of immunity in the setting of HIV infection is difficult owing to loss of functional CD4+ T cells. The MHC class II-deficient mouse (II-/-) environment simulates that of the immunocompromised HIV-infected individual, since these mice have low CD4+ T cell numbers, defective CD4-dependent responses, and are ...

journal_title：AIDS research and human retroviruses

authors： Scott DE,Golding H,Huang LY,Inman J,Golding B

更新日期：1998-09-20 00:00:00

abstract：:The capacity to neutralize the human immunodeficiency virus (HIV) in vitro was examined in 52 sera obtained from 23 seropositive individuals in addition to 7 negative control sera. Neutralization was measured as the activity of a serum to protect MT-4 cells against the cytopathic effect of HTLV-IIIB. Virus neutralizat...

journal_title：AIDS research and human retroviruses

authors： Wendler I,Bienzle U,Hunsmann G

更新日期：1987-07-01 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：:In recent years, increasing numbers of patients infected with HIV-1 non-B subtypes have been treated with modern antiretroviral regimens. Therefore, a better knowledge of HIV drug resistance in non-B strains is crucial. Thus, we compared the mutational pathways involved in drug resistance among the most common non-B s...

journal_title：AIDS research and human retroviruses

authors： Santoro MM,Alteri C,Ronga L,Flandre P,Fabeni L,Mercurio F,D'Arrigo R,Gori C,Palamara G,Bertoli A,Forbici F,Salpini R,Boumis E,Tozzi V,Visco-Comandini U,Zaccarelli M,Van Houtte M,Pattery T,Narciso P,Antinori A,Cecc

更新日期：2012-10-01 00:00:00

abstract：:HIV-1 infection is characterized by genetic diversity, with multiple subtypes and recombinant variants circulating, particularly in sub-Saharan Africa. During the Rwandan genocide, many women experienced multiple rapes and some became HIV-1 infected. We studied plasma and peripheral blood mononuclear cells (PBMCs) fro...

journal_title：AIDS research and human retroviruses

authors： Kemal KS,Anastos K,Weiser B,Ramirez CM,Shi Q,Burger H

更新日期：2013-06-01 00:00:00

abstract：:We generated DNA constructs expressing soluble truncated forms of the envelope of SF162, a neutralization-resistant primary human immunodeficiency virus type 1 isolate, and SF162AV2, a neutralization-susceptible virus derived from SF162 after the deletion of 30 amino acids from the V2 loop. The constructs express the ...

journal_title：AIDS research and human retroviruses

authors： Stamatatos L,Lim M,Cheng-Mayer C

更新日期：2000-07-01 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：:The aim of this study was to evaluate the immunological responses induced by DNA plasmids containing HIV regulatory genes administered in combination in HIV-1-infected patients with pretreatment with highly active antiretroviral treatment (HAART). The study is a double-blind, randomized, and placebo-controlled study, ...

journal_title：AIDS research and human retroviruses

authors： Hejdeman B,Boström AC,Matsuda R,Calarota S,Lenkei R,Fredriksson EL,Sandström E,Bratt G,Wahren B

更新日期：2004-08-01 00:00:00

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：:A workshop entitled "Regulatory T cells (T(reg)) and HIV/AIDS" was held in Cincinnati, OH, September 7-8, 2006. This workshop was the first completely dedicated to T(reg) in HIV infection, and gathered investigators working on different aspects of T(reg) biology, and on HIV pathogenesis. We report here the major topic...

journal_title：AIDS research and human retroviruses

authors： Chougnet CA,Shearer GM

更新日期：2007-07-01 00:00:00

abstract：:Genotype-based algorithms are valuable tools for the identification of patients eligible for CCR5 inhibitors administration in clinical practice. Among the available methods, geno2pheno[coreceptor] (G2P) is the most used online tool for tropism prediction. This study was conceived to assess if the combination of G2P p...

journal_title：AIDS research and human retroviruses

authors： Montagna C,De Crignis E,Bon I,Re MC,Mezzaroma I,Turriziani O,Graziosi C,Antonelli G

更新日期：2014-12-01 00:00:00

abstract：:In order to shed light on the nature of the persistent reservoir of human immunodeficiency virus type 1 (HIV-1), we investigated signs of recent evolution in the pool of proviral DNA in patients on successful HAART. Pro-viral DNA, corresponding to the C2-V3-C3 region of the HIV-1 env gene, was collected from PBMCs iso...

journal_title：AIDS research and human retroviruses

authors： Mens H,Pedersen AG,Jørgensen LB,Hue S,Yang Y,Gerstoft J,Katzenstein TL

更新日期：2007-01-01 00:00:00

abstract：:In many countries, HIV testing among tuberculosis (TB) patients is recommended so that both infections are appropriately treated. Cross-reacting antibodies to HIV antigens have been reported for several conditions, including TB, leprosy, malaria, and rheumatoid arthritis. To study the pattern and prevalence of cross-r...

journal_title：AIDS research and human retroviruses

authors： Swaminathan S,Hanna LE,Sundaramurthi JC,Leonard A,Angayarkanni B,Francis AC,Lakshmi S,Nayak K

更新日期：2008-07-01 00:00:00

abstract：:Infection with human T lymphotropic virus (HTLV), although asymptomatic in most cases, can lead to severe illnesses, such as adult T cell leukemia/lymphoma or myelopathy/tropical spastic paraparesis. HTLV can be transmitted by whole-blood (WB) transfusion. The prevalence of HTLV among blood donor populations has not b...

journal_title：AIDS research and human retroviruses

authors： Pham D,Nguyen D,Nguyen TA,Tran C,Tran L,Devare S,Tran A,Bhatnagar S

更新日期：2019-04-01 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：:Zidovudine (ZDV) is converted to its active triphosphate (ZDVTP) by intracellular kinases. The intermediate ZDV monophosphate (ZDVMP) is believed to play a major role in ZDV toxicity. Manipulation of ZDV phosphorylation is a possible therapeutic strategy for altering the risk-benefit ratio. Here we investigate whether...

journal_title：AIDS research and human retroviruses

authors： Sim SM,Hoggard PG,Sales SD,Phiboonbanakit D,Hart CA,Back DJ

更新日期：1998-12-20 00:00:00

abstract：:The first open reading frame of the HIV genome has been identified as the gag gene. The proteins encoded by this gene are p17 as the amino-terminal protein, p24 as the middle peptide, and p15 as the carboxyl-terminal end. A monoclonal antibody recognizing an antigenic determinant on a fragment of p15 has been develope...

journal_title：AIDS research and human retroviruses

authors： Veronese FD,Rahman R,Copeland TD,Oroszlan S,Gallo RC,Sarngadharan MG

更新日期：1987-10-01 00:00:00

abstract：:Cell activation is essential for HIV infection. CD4+ T lymphocyte activation allows virus replication and CD8+ T lymphocyte activation may contribute to pathogenesis. We combined hydroxyurea, a cytostatic drug that inhibits cell activation and proliferation, with two drugs that inhibit HIV (didanosine and indinavir), ...

journal_title：AIDS research and human retroviruses

authors： Lori F,Jessen H,Lieberman J,Clerici M,Tinelli C,Lisziewicz J

更新日期：1999-05-01 00:00:00