نتایج جستجو برای: protein expression
تعداد نتایج: 1793153 فیلتر نتایج به سال:
the influenza a virus is of global concern for the poultry industry, especially the h5 subtype as it has the potential to become highly pathogenic for poultry and mankind. recently, plant expression systems have gained interest as an alternative for the production of vaccine antigens. the goal of the present study was to investigate the possibility of expressing the ha1 protein in nicotiana tab...
plant lipid transfer proteins (ltps) are members of the pathogenesis-related proteins (pr-14) and some of them exhibit activity against phytopathogenic fungi. to investigate whether rice ltp2 plays a role in antifungal activity, the coding region of an iranian rice ltp2 gene was cloned into expression vector pet24-d(+) and then expressed in escherichia coli rosetta strain (de3). the potential a...
background: the advent of recombinant dna technology has facilitated heterologous expression of proteins from various sources in different host systems including escherichia coli. if a plant virus coat protein is expressed in the bacterium it can be used as the antigen for antibody preparation. such a recombinant antigen preparation can be particularly useful where equipment such as ultracentri...
conclusions full factorial design experimental approach helped to identify the critical culture condition parameters in heterologous expression of v2r. it would allow studying the parameters affecting the function of this protein in future experiments. results the maximum amount of protein production was obtained by the addition of 0.75 mm iptg at 37°c after three hours. the most important fact...
Background: The B-cell defect in X-linked agammaglobulinemia (XLA) is caused by mutations in the gene for Bruton's tyrosine kinase (BTK). BTK mutations result in deficient expression of BTK protein in peripheral blood monocytes. Methods: Using the anti-BTK monoclonal antibody (48-2H), a flow cytometric analysis of intra cytoplasmic BTK protein expression in monocytes was performed to identify I...
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...
background: the role of retinoblastoma (rb) protein in cell cycle regulation prompted us to take up this study with the aim of assessing its role in the progression of oral cancer and to correlate with various clinicopathological parameters, including habits such as smoking, paan chewing, and alcoholism. materials and methods: this observational study included surgical specimens from 10 apparen...
Objective(s):Multi-epitopic protein vaccines and direction of vaccine delivery to dendritic cells (DCs) are promising approaches for enhancing immune responses against mutable pathogens. Escherichia coli is current host for expression of recombinant proteins, and it is important to optimize expression condition. The aim of this study was the optimization of multi-epitopic HIV-1 tat/pol/gag/env ...
objective: the aim of this study was to construct a pcdna3.1+ vector containing fmdv type o/irn/1/2007-vp1 gene, protein expression in bhkt7 cells and evaluation of immune response in balb/c mice. materials and methods: fmdv type o/irn/1/2007 was isolated from a cattle in ray in 2007 and serotyped. the purified vp1 gene was sub-cloned into the ptz57r/t vector and pcdna3.1+ expression vector. t...
background: the aim of this study is to create an ex vivo model to examine the expression of two heat shock protein 70 (hsp70) family members, heat shock protein 72 (hsp72) and heat shock constitute protein 70 (hsc70), at the mrna and protein levels in differentiating corneal cells from air exposed limbal stem cells. materials and methods: limbal biopsies were cultured as explants on a cellular...
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