HIV-1 co-receptor
A simple structure-based model for the prediction of HIV-1 co-receptor tropism
... for HIV-1 co-receptor usage is that T-CUP has a very high accuracy, but is rather slow due to the modeling process of the V3 loops with Modeller [33] and the calculation of the electrostatic ...
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T4 lysozyme-engineered human chemokine receptor ccr5 mutants exhibit differing effects on hiv-1 co-receptor function and ligand binding
... of co-receptor signaling in HIV disease has not been clearly ...sufficient HIV-1 co-receptor ...maintained, HIV-1 co-receptor function was not ...
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HIV 1 co receptor usage:influence on mother to child transmission and pediatric infection
... of HIV-1 is the placenta possibly through a transannexial or transplacental ...passage. HIV-entry into trophoblastic cells has still to be elucidated, as primary trophoblastic cells express CXCR4 and ...
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Asymmetric HIV 1 co receptor use and replication in CD4+ T lymphocytes
... which Co-R they used to infect non-human cells trans- fected with human CD4 and a panel of human chemo- kine R, including CCR2 and CCR3, rarely used in vivo ...in Co-R usage (that should be more correctly ...
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Comparative determination of HIV 1 co receptor tropism by Enhanced Sensitivity Trofile, gp120 V3 loop RNA and DNA genotyping
... ries the advantage of a higher efficiency of tropism determination in patients with low copy number detect- able viral loads. In addition to that, in perspective, DNA- based tropism prediction could be used in patients ...
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Structure of HIV-1 quasi-species as early indicator for switches of co-receptor tropism
... Deep sequencing is able to generate a complete picture of the retroviral quasi-species in a patient. We demon- strate that the unprecedented power of deep sequencing in conjunction with computational data analysis has ...
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Genetic analysis of HIV-1 Circulating Recombinant Form 02_AG, B and C subtype-specific envelope sequences from Northern India and their predicted co-receptor usage
... that HIV-1 that uses CCR5 chemokine receptor (R5-tropic) is transmitted preferen- tially than the ones that use CXCR4 chemokine receptor ...against HIV-1 infection [7-9]. ...
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Co receptor usage and prediction of v3 genotyping algorithms in hiv 1 subtype b' from paid blood donors experienced anti retroviral therapy in chinese central province
... of co-receptor antagonists after the treatment failure on ...the HIV-1 co- receptor usage was difference between treatment-naïve and ART ...group. HIV-1 CXCR4 ...
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Co-receptor tropism prediction among 1045 Indian HIV-1 subtype C sequences: Therapeutic implications for India
... silico co-receptor prediction analysis, revealed high prevalence of R5-tropism and greater homogeneity within the V3 loop sequences of HIV- 1 subtype C Indian ...on HIV-1 ...
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HIV 1 envelope, integrins and co receptor use in mucosal transmission of HIV
... that HIV-1 infection typically involves an interaction between the viral envelope protein gp120/41 and the CD4 molecule followed by a second interaction with a chemokine receptor, usually CCR5 or ...
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Selected amino acid mutations in HIV 1 B subtype gp41 are Associated with Specific gp120V3signatures in the regulation of Co Receptor usage
... type 1 (HIV-1) entry into the host cell is mediated by the viral mature envel- ope (env) glycoproteins, gp120 and gp41, that constitute a trimeric complex anchored on the virion surface by the ...
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Distribution of CCR5 Delta32, CCR5 promoter 59029 A/G, CCR2 64I and SDF1 3’A genetic polymorphisms in HIV 1 infected and uninfected patients in the West Region of Cameroon
... (HIV-1) co-receptors and their ligands, like CC-Chemokine Receptor 5 delta 32 mutation (CCR5-Delta32), CCR5 promoter A/G (Adenine/Guanine), CC-Chemokine Receptor 2 mutation 64 ...
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Host factors influencing susceptibility to HIV infection and AIDS progression
... R5-tropic HIV-1 strains, although their effect is more potent with T-tropic ...Interestingly, HIV-1 induces expression of human β- defensins 2 and 3, but not 1, the latter of which ...
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The co receptor signaling model of HIV 1 pathogenesis in peripheral CD4 T cells
... with HIV infection, CD4 depletion is a hallmark and is one of the most powerful predictors of disease progres- ...a co-receptor signaling perspective based on our recent studies ...Figure 1, I ...
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Defining the fitness of HIV-1 isolates with dual/mixed co-receptor usage
... tropic HIV-1 outgrowth dur- ing propagations from patient samples typically depends on both the replicative fitness of x4 and r5 HIV-1 ...cells, co-receptor expression on ...
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X4 viruses are frequently archived in patients with long term HIV infection but do not seem to influence the “inflamm aging” process
... CCR5 co-receptor binding to HIV-1, and genotypic methods and bioinformatic tools based on V3 sequencing have been developed to facilitate the prediction of co-receptor tropism ...
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Design and Evaluation of a Human Immunodeficiency Virus Type 1 RNA Assay Using Nucleic Acid Sequence Based Amplification Technology Able To Quantify Both Group M and O Viruses by Using the Long Terminal Repeat as Target
... type 1 (HIV-1) RNA level in plasma or serum has become one of the most impor- tant markers for monitoring HIV-1-infected ...than HIV-1 DNA, it is the only evidence for ...
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Mutagenesis of CXCR4 Identifies Important Domains for Human Immunodeficiency Virus Type 1 X4 Isolate Envelope-Mediated Membrane Fusion and Virus Entry and Reveals Cryptic Coreceptor Activity for R5 Isolates
... Mutagenesis of ecl-2 and ecl-3 of CXCR4 yielded more- variable results (Fig. 2). Only replacement of the positively charged arginine residue in ecl-2 (R188A) resulted in signifi- cantly reduced fusion activity for all ...
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HIV-1 Reactivation Induced by the Periodontal Pathogens Fusobacterium nucleatum and Porphyromonas gingivalis Involves Toll-Like Receptor 4 and 9 Activation in Monocytes/Macrophages
... by HIV-1 infection will grow and cause dis- ...(e.g., HIV-1 gingivitis and periodontitis), fungal ...in HIV-1 ⫹ patients has been described widely (18, ...higher HIV viral ...
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HIV-1 Nef: a multifaceted modulator of T cell receptor signaling
... T-cell receptor signaling and IL-2 production by virtue of an ITAM motif not present in any other Nef protein ...SIVpbj14, HIV-1 Nef was also demonstrated to bear the capacity to enhance basal levels ...
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