نتایج جستجو برای: vector vaccine
تعداد نتایج: 302499 فیلتر نتایج به سال:
Introduction: Hepatitis E virus (HEV) is a fecal-oral transmitting virus which causes a chronic liver disease. ORF2 is an immunogen capsid protein of HEV that has been proposed to be used for Hepatitis E vaccine design. It is a 660-amino acid protein which includes an immunogenic region (residues 112-607). This protein has been expressed in complete and truncated forms, using different expressi...
With advent and development of DNA recombinant technology and advantages of p. pastoris expression system, fusion (F) protein of PPRV expression, because of effective immunodominant role could be an appropriate candidate for production of recombinant vaccine against PPR disease. In this study, F gene of PPRV Nigeria 75/1 strain (1637 bp) was amplified using RT-PCR and purified. It was then cl...
Aim and Background: By Attention to gene sequence and each amino acid codon in host which express protein, also in order to probable vaccine production against influenza A, a major cause of mortality in a year,this research was carried out. M2 protein is conserved and it can be a proper candidate vaccine for influenza infection. Materials and Methods: Present research was an experimental study....
Background and Aims: NDV (Newcastle Disease Virus) is one of the viruses that cause disease in avian with severe economic losses in the poultry industry in many countries. Fusion protein (F) which plays a major role in the virus pathogenicity contains several regions that have a role in the fusion process. Mutation in the sequence of HR1 & HR2 regions of this protein prevents fusion of the viru...
BACKGROUND Tuberculosis (TB) is a contagious disease caused by Mycobacterium tuberculosis. Development of a new vaccine for tuberculosis requires immunogenic antigens capable of inducing suitable and long-lasting T cell immunity. The emergence of multidrugs and extensively drug-resistant strains of M. tuberculosis has made it a global public health concern. OBJECTIVES DNA vaccine is a straigh...
This project aimed to test a new vaccine technology platform using an adenovirus vector to produce a recombinant vaccine against severe acute respiratory syndrome (SARS) infection. A recombinant adenovirus (rAd) encoding SARS coronavirus (SARS-CoV) nucleocapsid protein (rAd-N) was constructed, and the ability of the rAd-N to induce anti–SARS-CoV N antibody production and cellular immune respons...
Our previous work showed that a plasmid-based chicken interleukin-7 (chIL-7) gene expression vector possessed potent adjuvant activity for a VP2 DNA vaccine against chicken infectious bursal disease virus (IBDV). Whether recombinant chIL-7 prepared in procaryotic expression system has the adjuvant activity for inactivated IBDV vaccine remains unknown. Here, we prepared recombinant chIL-7 using ...
Background and Objectives: One of the ways to strengthen the effect of vaccines is using the adjuvant. STxB has a carrier and adjuvant role that we can fuse it with vaccine candidate antigens and produce efficient vaccines. BLF1 has a role in the pathogenesis and infection by Burkholderia pseudomallei, that can be studied when fused with stxB.The aim of this study expression blf1-stxB gene Cass...
Background: Heat shock protein 70 (HSP70) is present in all organisms studied so far, and is a major immunogen in infections caused by pathogens including Leishmania spp. Objective: The aim of this study was to clone and express HSP70 from L. infantum strain MCAN/IR/96/LON-49 and evaluate antibody response against HSP70 in visceral leishmaniasis (VL). Methods: The L. infantum HSP70 gene segment...
Background and Objectives: Some of the human papillomaviruses (HPVs) can infect genital tracts and are sometimes associated with anogenital tract cancers. HPVs induced cervical cancers through the expression of E6 and E7 genes by inactivating the tumor suppressor proteins. In this study, E6 and E7 genes were chosen in order to construct an expression vector which is able to express ...
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