نتایج جستجو برای: p24
تعداد نتایج: 1868 فیلتر نتایج به سال:
HIV-1 isolation was attempted on 72 individuals, including persons with known HIV infection and five without proven HIV infection but with indeterminate Western blot patterns, as well as on low-risk HIV seronegative persons. The ability to detect HIV-1 from culture supernatant by p24 antigen capture assay was evaluated by segregating patients by absolute CD4+ cell counts, clinical stage of dise...
Three different groups of hemolysis mutants were produced by treatment of the M. pneumoniae FH-P24 strain with N-methyl-N-nitro-nitrosoguanidine. The first group of mutants, strains P24-L1, L2, and L11, showed wide and clear hemolytic zones, and attaching ability to erythrocytes and to hamster lung cells were the same as the properties of the parent strain and produced significant microscopic l...
BACKGROUND Bovine leukemia virus (BLV) is worldwide distributed and highly endemic in Argentina. Among the strategies to prevent BLV dissemination, a control plan based on the selective segregation of animals according to their proviral load (PVL) is promising for our dairy productive system. The objective of this work was to study the relationship between the blood PVL and the antibody level, ...
A taxonomic study was carried out on strain P24(T), which was isolated from a polycyclic aromatic hydrocarbon-degrading consortium, enriched from a deep-seawater sample collected from the Indian Ocean. The isolate was Gram-negative, rod-shaped, motile by means of a polar flagellum, moderately halophilic and capable of reducing nitrate to nitrite. Growth was observed at salinities of 0-9 % and a...
A major factor in the design of highly sensitive ligandbinding assays is the need to accelerate the interaction between analyte and binding partner (or capture reagent). In early immunoassay technologies, overnight incubations with exogenously supplied binding partners at low temperatures (typically 2–8 °C) were common. More recently, however, assay results are frequently required, for both med...
Mature HIV-1 viral particles assemble as a fullerene configuration comprising p24 capsid hexamers, pentamers and dimers. In this paper, we report the X-ray crystal structures of the p24 protein from natural HIV-1 strain (BMJ4) in complex with Fab A10F9, which recognizes a conserved epitope in the C-terminal domain of the BMJ4 p24 protein. Our structures reveal a novel shoulder-to-shoulder p24 d...
OBJECTIVES To investigate which immune parameters, such as antibodies against HIV-1 specificities, or viral parameters, such as p24 antigenemia, are predictive of disease progression. STUDY DESIGN We performed studies on serum collected from individuals exhibiting two extremes of disease evolution--67 fast progressors (FP) and 182 nonprogressors (NP)--at their enrollment. After a 1- to 2-year...
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