نتایج جستجو برای: mrc5
تعداد نتایج: 181 فیلتر نتایج به سال:
Background Vaccination has proven itself as the most effective tool to control and prevent the disease and to facilitate the safe trade of live animals. Viral vaccine manufacturing processes present some specific constraints as compared to other biotech products linked to the cell substrate used and to the viral production. Multiple cell lines are used for productions such as VERO, MDCK, MRC5, ...
Extensive researches have been done on the applications of zinc oxide nanoparticles (ZnO-NPs) for the biological purposes. However, the role and toxicity mechanisms of ZnO nanostructures (ZnO-NSts) such as nanoplates (NPls), nanorods (NRs), nanosheets (NSs), nanoflowers (NFs) on cancer cells are not largely known. Present study was focused to investigate the possible mechanisms of apoptosis ind...
Human DNA polymerase iota (poliota) is a unique member of the Y-family of specialised polymerases that displays a 5'deoxyribose phosphate (dRP) lyase activity. Although poliota is well conserved in higher eukaryotes, its role in mammalian cells remains unclear. To investigate the biological importance of poliota in human cells, we generated fibroblasts stably downregulating poliota (MRC5-pol io...
Human papillomaviruses (HPV) are causative agents in a variety of human diseases; for example over 99% of cervical carcinomas contain HPV DNA sequences. Often in cervical carcinoma the HPV genome is integrated into the host genome resulting in unregulated expression of the viral transforming proteins E6 and E7. Therefore viral integration is a step toward HPV-induced carcinogenesis. Integration...
Overexpression of the translation initiation factor eIF4E leads to cell transformation and occurs in a number of human cancers [1]. mRNA translation and cell growth can be regulated through the availability of eIF4E to form initiation complexes by binding to eIF4G. The availability of eIF4E is blocked through the binding of members of a family of eIF4E-binding proteins (4E-BPs) [2] [3]. Indeed,...
"Replicative stress" is one of the main factors underlying neoplasia from its early stages. Genes involved in DNA synthesis may therefore represent an underexplored source of potential prognostic markers for cancer. To this aim, we generated gene expression profiles from two independent cohorts (France, n=206; United Kingdom, n=117) of patients with previously untreated primary breast cancers. ...
In the current study, it was shown that repressed virus genomes in quiescently infected MRC5 cells adopt a repressed histone-associated structure marked by the enrichment of deacetylated histones at a wide variety of herpes simplex virus type 1 (HSV-1) promoters. In addition, it was shown that genome de-repression, mediated by HSV-2 superinfection or delivery of ICP0 using a recombinant adenovi...
In this study, we assessed the role of different reactive oxygen species (ROS) generated by soft jet plasma and chemical-induced ROS systems with regard to cell death in T98G, A549, HEK293 and MRC5 cell lines. For a comparison with plasma, we generated superoxide anion (O2(-)), hydroxyl radical (HO·), and hydrogen peroxide (H2O2) with chemicals inside an in vitro cell culture. Our data revealed...
Intercellular adhesion molecule 1 (ICAM-1) expression is down-regulated in the center of cutaneous varicella lesions despite the expression of proinflammatory cytokines such as gamma interferon and tumor necrosis factor alpha (TNF-alpha). To study the molecular basis of this down-regulation, the ICAM-1 induction of TNF-alpha was analyzed in varicella-zoster virus (VZV)-infected melanoma cells (...
Background: Gemcitabine (2′, 2′-difluoro-2′- deoxycytidine, an analogue of deoxycytidine) is a relatively new drug with wide range of anti-cancer activity. In this study, radiosensitizing effects of gemcitabine was investigated on HeLa and MRC5 human originated cell lines under both chronically hypoxic and normoxic conditions using the micronucleus (MN) assay. Materials and Methods: F...
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