نتایج جستجو برای: vaccine candidate
تعداد نتایج: 216087 فیلتر نتایج به سال:
SARS-CoV-2 Vaccine Design A recent study of the D614G variant spike protein sheds light on a mechanism underlying relatively increased infectivity virions expressing it and has...
Introduction: The cattle tick Rhipicephalus spp. causes significant economic losses due to diseases in animals and human. Bm86 is a midgut protein and vaccine candidate, which its sequences among the isolates of Ripsephalus spp are geographically separated, variable, and are the main reason for reducing effectiveness, and subsequently, the failure of the recombinant vaccines. Method: In this bi...
Backgrounds: Most of the hepatitis C virus (HCV) infections elicit poor immune responses and 75% to 85% of cases become chronic therefore, the development of an effective vaccine against HCV is of paramount importance. In this study, we aimed to evaluate co-administration of HCV non-Structural Protein 2 and IL-12 DNA vaccines in C57BL/6 mice. Methods: A plasmid encoding full-length HCV NS2 prot...
Several candidates for a vaccine against Burkholderia pseudomallei, the causal bacterium of melioidosis, have been developed, and a rational approach is now needed to select and advance candidates for testing in relevant nonhuman primate models and in human clinical trials. Development of such a vaccine was the topic of a meeting in the United Kingdom in March 2014 attended by international can...
The central objective of this research was to test molecularly defined, live attenuated Venezuelan equine encephalitis virus (VEEV) vaccine candidates that were produced through precise genetic manipulation of rationally selected viral nucleotide sequences. Molecular clones of vaccine candidates were constructed by inserting either three independently attenuating mutations or a PE2 cleavage-sig...
Background and purpose: Influenza virus is one of the most important respiratory infectious agents. Viral antigenic variations are major problems for vaccine production process. At present, many researches have focused on conserved domains of influenza virus antigenic peptides for subunit vaccine development. Hemagglutinin small subunit (HA2) and the 23 amino acid extracellular N-terminal domai...
Objective 1: Define the safety and efficacy of the multiclade DNA prime/rAd5 boost VRC candidate HIV-1 vaccine. Objective 2: Define immunological correlates of vaccine-induced protection from HIV-1 acquisition and/or disease progression to advance development of an HIV-1 candidate Objective 1: Determine the structure of a trimeric HIV-1 Envelope spike and delineate how oligomerization influence...
BACKGROUND Vaccine-induced antibodies to envelope proteins frequently cause HIV seroconversion in uninfected recipients of HIV vaccine candidates and may thus have an impact on the vaccinee's ability to donate blood or acquire a life insurance policy. OBJECTIVE To determine the occurrence of positive test results when commonly used HIV immunoassays are used to screen sera of HIV-uninfected vo...
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