نتایج جستجو برای: nef expression vector
تعداد نتایج: 1050651 فیلتر نتایج به سال:
The ability of the human immunodeficiency virus, type 1 (HIV-1) protein Nef to induce cytoskeleton changes in infected host cells is a key event in viral replication. In renal podocytes, we found that Nef induced loss of stress fibers and increased lamellipodia, pathological changes leading to proteinuria in HIV-associated nephropathy. These morphological changes were mediated by Nef-induced Ra...
Nef is a human immunodeficiency virus type 1 (HIV-1) auxiliary protein that plays an important role in virus replication and the onset of acquired immunodeficiency. Although known functions of Nef might explain its contribution to HIV-1-associated pathogenesis, how Nef increases virus infectivity is still an open question. In vitro, Nef-deleted viruses have a defect that prevents efficient comp...
CXCR4 receptors have been implicated in tumorigenesis and proliferation, making it a potential target for colorectal cancer therapy. Expression of this chemokine receptor on cellular surfaces appears to promote metastasis by directly stimulating tumor cell migration and invasion. The receptor/ligand, CXCR4/SDF-1alpha, pair are critically important to angiogenesis and vascular remodeling which s...
Background: Vaccines have played a special role in controlling and reducing mortality from infectious diseases. In this regard, DNA vaccines were developed to ease the production and reduce the risks of traditional vaccines. Human papillomavirus (HPV) has been introduced as the causing agent of cervical cancer. The capsid protein (L1) of HPV has been used to produce subunit and DNA vaccines. Th...
A number of human immunodeficiency type 1 (HIV-1)-based vectors have recently been shown to transduce nondividing cells in vivo as well as in vitro. However, if these vectors are to be considered for eventual clinical use, a major consideration is to reduce the probability of unintended generation of replication-competent virus. This can be achieved by eliminating viral genetic elements involve...
Background : Genetic manipulation is an effective strategy to protect cells against environmental damages and enhance their capabilities for therapeutic usage. In order to avoid unwanted side effects, such as cancers, the expression of genes should be temporary increased. The aim of this study was to clone and temporary increased expression of a cell protective gene, Metallothionein 1 (MT1) in ...
Knowing that adenoviral vectors could initiate innate immunity, the ability of E1-deleted recombinant adenovirus (Ad-E1Δ) in induction of B7.1 and IL-2 molecules was studied. Methods: The expression of green fluorescent protein in C1498 cells following transfection of these cells with adenovirus green fluorescent protein vector confirmed the ability of adenovirus vectors in infecting the cells ...
Bovine chymosin enzyme is one of the most commonly used enzymes in the dairy industry. The production of this enzyme from its natural source does not meet the needs of this huge industry. The production of recombinant bovine chymosin in plants can be a good alternative to native enzyme. Insertion and expression of foreign genes in plants can occur in the nucleus and chloroplast organelles. The ...
Nef is a HIV-1 accessory protein critical for the replication of the virus and the development of AIDS. The major pathological activity of Nef is the down-regulation of CD4, the primary receptor of HIV-1 infection. The mechanism underlying Nef-mediated CD4 endocytosis and degradation remains incompletely understood. Since protein ubiquitination is the predominant sorting signal in receptor endo...
knowing that adenoviral vectors could initiate innate immunity, the ability of e1-deleted recombinant adenovirus (ad-e1δ) in induction of b7.1 and il-2 molecules was studied. methods: the expression of green fluorescent protein in c1498 cells following transfection of these cells with adenovirus green fluorescent protein vector confirmed the ability of adenovirus vectors in infecting the cells ...
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