Mother-to-child HIV type 1 transmission in Argentina: BF recombinants have predominated in infected children since the mid-1980s.

abstract：:In order to investigate how human immunodeficiency virus (HIV) gains entry to the placenta, we have performed in vitro experiments in which highly purified trophoblast cells isolated from term human placentas were examined for their susceptibility to HIV infection. Trophoblast cells were exposed to cell-free HIV-1 for...

journal_title：AIDS research and human retroviruses

authors： Douglas GC,Fry GN,Thirkill T,Holmes E,Hakim H,Jennings M,King BF

更新日期：1991-09-01 00:00:00

abstract：:A previously described self-complementary oligodeoxynucleotide termed triplex-forming oligodeoxynucleotide (TFO A), 54 bases in length, designed against the polypurine tract of HIV-1 RNA, inhibited viral replication at a 1 to 3 microM concentration in acutely infected cells, whereas antisense and scrambled sequence ol...

journal_title：AIDS research and human retroviruses

authors： Jendis J,Strack B,Volkmann S,Böni J,Mölling K

更新日期：1996-08-10 00:00:00

abstract：:Stavudine (d4T) has been associated with lipoatrophy and hyperlactatemia. In recent studies, d4T has also been related to both hypercholesterolemia and hypertriglyceridemia. Replacing d4T with another nucleoside analogue such as abacavir (ABC) may reduce lactate levels and improve lipoatrophy in the long term. However...

journal_title：AIDS research and human retroviruses

authors： García-Benayas T,Blanco F,Alcolea A,Cruz JJ,González-Lahoz J,Soriano V

更新日期：2004-12-01 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：:Current recommendations indicate the use of HIV-1 drug resistance genotyping in the treatment of HIV-1 infection, primarily on treatment failure, and in specific instances also before the initiation of therapy. As such, HIV-1 genotyping is becoming a standard of care parameter in HIV-1 treatment monitoring and a rapid...

journal_title：AIDS research and human retroviruses

authors： Schuurman R,Brambilla D,de Groot T,Huang D,Land S,Bremer J,Benders I,Boucher CA,ENVA Working Group.

更新日期：2002-03-01 00:00:00

abstract：:Changes in neutralizing antibody (NA) titers in stored sera collected over 5 years from 10 participants in the Multicenter AIDS Cohort Study (MACS) were evaluated. The participants were HIV-1 infected on enrollment in the MACS, and remained AIDS free during the 5-year study interval. Seven viruses derived from molecul...

journal_title：AIDS research and human retroviruses

authors： Quinnan GV Jr,Zhang PF,Fu DW,Dong M,Margolick JB

更新日期：1998-07-20 00:00:00

abstract：:Mutations within the protease gene associated with reduced susceptibility to protease inhibitors have been well documented for HIV-1 group M subtype B strains. In contrast, limited genotypic and phenotypic information is available for the genetically diverse HIV-1 group O strains. Preexisting resistance-associated pol...

journal_title：AIDS research and human retroviruses

authors： Luk KC,Kaptué L,Zekeng L,Soriano V,Gürtler L,Devare SG,Schochetman G,Hackett J Jr

更新日期：2001-11-01 00:00:00

abstract：:We show that the squirrel monkey Saimiri sciureus is susceptible to experimental infection with either syngeneic or allogeneic HTLV-1-immortalized cells. As in humans, such experimental inoculation leads to chronic infection, and HTLV-1 provirus was detected in PBMCs by PCR. Chronically infected monkeys developed high...

journal_title：AIDS research and human retroviruses

authors： Kazanji M

更新日期：2000-11-01 00:00:00

abstract：:The full-length RNA of human immunodeficiency virus type 1 (HIV-1) serves both as a messenger (mRNA) to direct the translation of Pr55(gag) proteins and as genomic or viral particle RNA (vpRNA) to be packaged into virions. In this study, we have assessed a putative cis-acting effect of Pr55(gag) translation on HIV-1 R...

journal_title：AIDS research and human retroviruses

authors： Liang C,Hu J,Russell RS,Wainberg MA

更新日期：2002-10-10 00:00:00

abstract：:HIV-1 subtype C is the prevalent subtype in South Africa, with non-C subtypes being sporadically detected. The accessory genes of subtype C have not been well studied in South Africa. In this study the HIV-1 vpr region of 58 strains was amplified, sequenced, and subtyped. Phylogenetic analysis characterized 54 strains...

journal_title：AIDS research and human retroviruses

authors： Romani B,Glashoff R,Engelbrecht S

更新日期：2009-03-01 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

abstract：:Cellular adhesion molecules, such as ICAM-1, -2, and -3; LFA-1; and HLA class I and II are incorporated into HIV-1 virions during budding from infected cells. These virion-associated molecules can be involved in the adsorption to susceptible cells displaying the corresponding counterligands. A number of cytokines have...

journal_title：AIDS research and human retroviruses

authors： Castilletti C,Capobianchi MR,Fais S,Abbate I,Ficociello B,Ameglio F,Cordiali Fei P,Santini SM,Dianzani F

更新日期：1995-05-01 00:00:00

abstract：:We investigated memory cytotoxic T lymphocyte (CTLm) responses to HIV-1 as a determinant of HIV-1 disease progression, in relation to plasma HIV-1 load and T lymphocyte numbers in a longitudinal study of 14 homosexual men with incident HIV-1 infection. Study participants were selected who exhibited failure of T cell h...

journal_title：AIDS research and human retroviruses

authors： Rinaldo CR Jr,Gupta P,Huang XL,Fan Z,Mullins JI,Gange S,Farzadegan H,Shankarappa R,Muñoz A,Margolick JB

更新日期：1998-11-01 00:00:00

abstract：:Accurate methods for cross-sectional incidence estimation are needed for HIV prevention research. The Limiting Antigen Avidity (LAg-Avidity) assay has been marketed by two vendors, Maxim Biomedical and Sedia BioSciences Corporation. Performance differences between the two versions of the assay are unknown. We tested a...

journal_title：AIDS research and human retroviruses

authors： Schlusser KE,Konikoff J,Kirkpatrick AR,Morrison C,Chipato T,Chen PL,Munjoma M,Eshleman SH,Laeyendecker O

更新日期：2017-06-01 00:00:00

abstract：BACKGROUND:Immune activation, which is accompanied by the production of proinflammatory cytokines, is a strong predictor of disease progression in HIV infection. Inflammation is critical in neuronal damage linked to HIV-associated neurocognitive disorders. METHODS:We examined the relationship between plasma cytokine l...

journal_title：AIDS research and human retroviruses

authors： Ruhanya V,Jacobs GB,Naidoo S,Paul RH,Joska J,Seedat S,Nyandoro G,Engelbrecht S,Glashoff R

更新日期：2021-01-20 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：:The prevalence of different HIV-1 subtypes in Spain varies by geographic region. In the present study isolates were collected from 72 newly diagnosed individuals in western Andalucia from 2004 to 2006. Viral sequences were amplified and the subtype diversity and prevalence of resistance mutations in the reverse transc...

journal_title：AIDS research and human retroviruses

authors： McConnell MJ,Docobo-Pérez F,Mata RC,Fernandez-Cuenca F,Viciana P,López-Cortés LF,Trastoy M,Pachón J,Pérez-Romero P

更新日期：2008-06-01 00:00:00

abstract：:The World Health Organizations HIV Drug Resistance (WHO HIVDR) Threshold survey method was used to assess transmitted HIVDR in newly diagnosed HIV-1-infected primigravida women attending the Prevention of Parent to Child Transmission (PPTCT) centers in Kakinada, in whom it is likely that the infection had recently occ...

journal_title：AIDS research and human retroviruses

authors： Thorat SR,Chaturbhuj DN,Hingankar NK,Chandrasekhar V,Koppada R,Datkar SR,Srikantiah P,Garg R,Kabra S,Haldar P,Reddy DC,Bachani D,Tripathy SP,Paranjape RS

更新日期：2011-12-01 00:00:00

abstract：:A novel deletion of residue 69 of the HIV-1 reverse transcriptase (RT) gene was detected in combination with mutations V75I/V and F77L/F in a patient with partial virological response to several antiretroviral drug regimens, including stavudine (D4T), didanosine (DDI), lamivudine (3TC), saquinavir (SQV), and nevirapin...

journal_title：AIDS research and human retroviruses

authors： Suzuki K,Kaufmann GR,Mukaide M,Cunningham P,Harris C,Leas L,Kondo M,Imai M,Pett SL,Finlayson R,Zaunders J,Kelleher A,Cooper DA

更新日期：2001-09-01 00:00:00

abstract：:The humoral immune response is a mechanism that potently suppresses or prevents viral infections. However, genetic diversity and resistance to antibody-mediated neutralization are serious obstacles in controlling HIV-1 infection. In this study, we isolated monoclonal antibodies from an SIV-infected macaque by using th...

journal_title：AIDS research and human retroviruses

authors： Kuwata T,Katsumata Y,Takaki K,Miura T,Igarashi T

更新日期：2011-05-01 00:00:00

abstract：:Understanding factors that affect heterosexual transmission of HIV in women is of great importance. Lactobacilli in the lower genital tract of women utilize glycogen in vaginal epithelial cells as an energy source and produce lactic acid. The resultant vaginal acidity is believed to provide protection against HIV infe...

journal_title：AIDS research and human retroviruses

authors： Mirmonsef P,Gilbert D,Veazey RS,Wang J,Kendrick SR,Spear GT

更新日期：2012-01-01 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：: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：:Information about the efficacy of antiretroviral drugs in HIV-1 group O strains as well on the virus evolution in terms of resistance development in vivo is very limited. We assessed the clinical, immunological, and virological response to antiretroviral therapy as well as the selection of drug resistance in six HIV-1...

journal_title：AIDS research and human retroviruses

authors： Rodes B,de Mendoza C,Rodgers M,Newell A,Jimenez V,Lopez-Brugada RM,Soriano V

更新日期：2005-07-01 00:00:00

abstract：:Osteopenia is a common and debilitating side-effect of HAART, yet little is known concerning the effects of HAART on bone metabolism. We reported previously that zidovudine (AZT) stimulates osteoclastogenesis in vitro and causes osteopenia in mice. Here, we confirmed that the AZT-induced osteoclastogenesis is dependen...

journal_title：AIDS research and human retroviruses

authors： Pan G,Kilby M,McDonald JM

更新日期：2006-11-01 00:00:00

abstract：:The advent of antiretroviral treatment (ART) has resulted in a dramatic reduction in AIDS-related morbidity and mortality. However, the emergence and spread of antiretroviral drug resistance (DR) threaten to negatively impact treatment regimens and compromise efforts to control the epidemic. It is recommended that sur...

journal_title：AIDS research and human retroviruses

authors： Cheriro W,Kiptoo M,Kikuvi G,Mining S,Emonyi W,Songok E

更新日期：2015-12-01 00:00:00

abstract：:The antiretroviral (ARV) service at Edendale Hospital in Pietermaritzburg, KwaZulu-Natal, South Africa has initiated more than 9,000 adults on therapy since 2004; however, virological outcomes among this patient cohort have not been systematically assessed. We conducted a retrospective chart review of patients initiat...

journal_title：AIDS research and human retroviruses

authors： Costiniuk CT,Sigal A,Jenabian MA,Nijs P,Wilson D

更新日期：2014-06-01 00:00:00

abstract：:Human T cell leukemia virus protein induces T cells to permanent IL-2-dependent growth. These cells occasionally convert to factor independence. The viral oncoprotein Tax acts as an essential growth factor of transformed lymphocytes and stimulates the cell cycle in the G(1) phase. In T cells and fibroblasts Tax enhanc...

journal_title：AIDS research and human retroviruses

authors： Haller K,Ruckes T,Schmitt I,Saul D,Derow E,Grassmann R

更新日期：2000-11-01 00:00:00

abstract：:Preexposure prophylaxis (PrEP) with antiretroviral drugs constitutes a promising strategy for HIV prevention. Potent PrEP regimens with reverse transcriptase inhibitors can prevent detectable SHIV infection in a repeated low-dose macaque model that resembles human transmission, supporting plans to quickly move this ap...

journal_title：AIDS research and human retroviruses

authors： Kersh EN,Luo W,Adams DR,Mitchell J,Garcia-Lerma JG,Heneine W,Folks TM,Butera S,Otten RA

更新日期：2008-04-01 00:00:00

abstract：:The human foamy virus (HFV) is a complex retrovirus that contains several regulatory and auxiliary bel genes besides the gag, pol, and env genes. In contrast to the gene products of bel 1 and bel 2/bet that were identified previously, the Bel 3 protein has not been described to date. Here we report the identification ...

journal_title：AIDS research and human retroviruses

authors： Weissenberger J,Flügel RM

更新日期：1994-05-01 00:00:00