نتایج جستجو برای: ذرات شبه ویروسی vlps
تعداد نتایج: 31009 فیلتر نتایج به سال:
At Stromboli Volcano, Italy, very long period (VLP) seismic signals and Strombolian eruptions have been attributed to the unsteady flow of gas slugs through shallow plumbing system followed by explosive slug bursting at a free surface. In data from 2018 seismo-acoustic deployment, ∼92% events in two main VLP multiplets do not coincide time with impulsive infrasonic (the expected signal bursting...
The filoviruses, Ebola (EBOV) and Marburg (MARV), are potential global health threats, which cause deadly hemorrhagic fevers. Although both EBOV and MARV logarithmically replicate in dendritic cells (DCs), these viruses do not elicit DC cytokine secretion and fail to activate and mature infected DCs. Here, we employed virus-like particles (VLPs) of EBOV and MARV to investigate whether these gen...
The ectodomain of influenza A matrix protein 2 (M2e) is a candidate for a universal influenza A vaccine. We used recombinant Hepatitis B core antigen to produce virus-like particles presenting M2e (M2e-VLPs). We produced the VLPs with and without entrapped nucleic acids and compared their immunogenicity and protective efficacy. Immunization of BALB/c mice with M2e-VLPs containing nucleic acids ...
Virus-like particles (VLPs), comprised of viral structural proteins devoid of genetic material, are tunable nanoparticles that can be chemically or genetically engineered, to be used as platforms for multimeric display of foreign antigens. Here, we report the engineering of chimeric VLPs, derived from rabbit hemorrhagic disease virus (RHDV) for presentation of foreign B-cell antigens to the imm...
-Ventricular Late Potentials (VLPs) are low-amplitude, high-frequency signals which appear at the end part of the QRS complex of a High-Resolution ECG (HRECG) record including three orthogonal (XYZ) leads. VLPs are clinically useful in identifying post-MI (Myocardial Infarction) patients prone to Ventricular Tachycardia (VT) and Sudden Cardiac Death (SCD). The Continuous Wavelet Transform (CWT)...
Expression of retroviral Gag protein in yeast has previously shown Gag targeting to the plasma membrane but little or no production of Gag virus-like particles (VLPs). Here we show that, after removal of the cell wall, the expression of HIV type 1 Gag protein in Saccharomyces cerevisiae spheroplasts allowed simultaneous budding of VLPs from the plasma membrane. Our data show that (i) the VLPs r...
BACKGROUND The lack of a universal influenza vaccine is a global health problem. Interest is now focused on structurally conserved protein domains capable of eliciting protection against a broad range of influenza virus strains. The long alpha helix (LAH) is an attractive vaccine component since it is one of the most conserved influenza hemagglutinin (HA) stalk regions. For an improved immune r...
BACKGROUND Norovirus virus-like particles (NoV VLPs) have recently been explored as potential vaccine platforms due to their ability to produce an effective immune response. Expression of the main structural protein, VP1, leads to formation of self-assembled particles with similar characteristics to the original virus. These NoV VLPs have been expressed in Escherichia coli, yeast and insect cel...
In April 2013, human infections with a novel avian influenza (H7N9) virus emerged in China. It has caused serious concerns for public health throughout the world. However, there is presently no effective treatment, and an A (H7N9) H7 subtype influenza vaccine is not available. Vaccination with virus-like particles (VLPs) has showed considerable promise for many other subtype influenza viruses. ...
We have previously developed replicon vectors derived from the Australian flavivirus Kunjin that have a unique noncytopathic nature and have been shown to direct prolonged high-level expression of encoded heterologous genes in vitro and in vivo and to induce strong and long-lasting immune responses to encoded immunogens in mice. To facilitate further applications of these vectors in the form of...
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