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HVJ meaning in General ?

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Answer: What is Hemagglutinating Virus of Japan mean?

Murine respirovirus, formerly Sendai virus (SeV) and previously also known as murine parainfluenza virus type 1 or hemagglutinating virus of Japan (HVJ), is an enveloped,150-200 nm in diameter, a negative sense, single-stranded RNA virus of the family Paramyxoviridae. It typically infects rodents and it is not pathogenic for humans or domestic animals. Sendai virus (SeV) is a member of genus Respirovirus. The virus was isolated in the city of Sendai in Japan in the early 1950s. Since then, it has been actively used in research as a model pathogen. The virus is infectious for many cancer cell lines (see below), has oncolytic properties demonstrated in animal models and in naturally-occurring cancers in animals. SeV's ability to fuse eukaryotic cells and to form syncytium was used to produce hybridoma cells capable of manufacturing monoclonal antibodies in large quantities. Recent applications of SeV-based vectors include the reprogramming of somatic cells into induced pluripotent stem cells and vaccines creation. For vaccination purpose the Sendai virus-based constructs could be delivered in a form of nasal drops, which may be beneficial in inducing a mucosal immune response. SeV has several features that are important in a vector for a successful vaccine: the virus does not integrate into the host genome, it does not undergo genetic recombination, it replicates only in the cytoplasm without DNA intermediates or a nuclear phase and it is not causing any disease in humans or domestic animals. Sendai virus is used as a backbone for vaccine development against Mycobacterium tuberculosis that causes tuberculosis, against HIV-1 that causes AIDS and against respiratory syncytial virus (RSV) that causes respiratory infection in children. The vaccine development against Mycobacterium tuberculosis is in pre-clinical stage, against HIV-1 it reached phase II clinical trial and against RSV it is in phase I. Fudan University in collaboration with ID Pharma Co. Ltd. is engaged in development of the vaccine for COVID-19 prevention. SeV serves as a vaccine backbone vector in the project.

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