نتایج جستجو برای: virus latency
تعداد نتایج: 438494 فیلتر نتایج به سال:
Herpes Simplex Virus (HSV) establishes a latent infection within sensory neurons and periodically reactivates in response to stress. HSV's ability to inhabit neurons for the life of the host involves a number of virally encoded functions that tightly regulate the latency-reactivation cycle, preventing uncontrolled spread of reactivating virus and large-scale death of neurons. The HSV latency-as...
Background and Aims: The latency-associated transcript (LAT) transcribed by latent Herpes Simplex Virus type-1 in neuron cells are able to influence their host cell pathways. While the most of previous studies were focused on anti-apoptotic effects of LAT, our investigation is making an effort to explore LAT potency on cell cycle pathway in neuroblastoma cell lines. Methods: The evaluation of L...
Epstein-Barr virus (EBV), a human herpesvirus, transforms B cell growth in vitro through expressing six virus-coded Epstein-Barr nuclear antigens (EBNAs) and two latent membrane proteins (LMPs). In many EBV-associated tumors, however, viral antigen expression is more restricted, and the aetiological role of the virus is unclear. For example, endemic Burkitt lymphoma (BL) classically presents as...
Epstein-Barr virus (EBV) is implicated in the pathogenesis of multiple human tumours of lymphoid and epithelial origin. The virus infects and immortalizes B cells establishing a persistent latent infection characterized by varying patterns of EBV latent gene expression (latency 0, I, II and III). The CDK1 activator, Response Gene to Complement-32 (RGC-32, C13ORF15), is overexpressed in colon, b...
α-Herpesvirinae subfamily members, including herpes simplex virus type 1 (HSV-1) and bovine herpes virus 1 (BHV-1), initiate infection in mucosal surfaces. BHV-1 and HSV-1 enter sensory neurons by cell-cell spread where a burst of viral gene expression occurs. When compared to non-neuronal cells, viral gene expression is quickly extinguished in sensory neurons resulting in neuronal survival and...
The search for an HIV-1 cure has been greatly hindered by the presence of a viral reservoir that persists despite antiretroviral therapy (ART). Studies of HIV-1 latency in vivo are also complicated by the low proportion of latently infected cells in HIV-1 infected individuals. A number of models of HIV-1 latency have been developed to examine the signaling pathways and viral determinants of lat...
Epstein-Barr virus (EBV) infection is associated with several human cancers. Latent membrane protein 1 (LMP-1) is one of the key viral proteins required for transformation of primary B cells in vitro and establishment of EBV latency. In this report, we show that LMP-1 is able to induce the expression of several interferon (IFN)-stimulated genes (ISGs) with antiviral properties such as 2'-5' oli...
NF-kappaB signaling is critical to the survival and transformation of cells infected by the human gammaherpesviruses Epstein-Barr virus and Kaposi's sarcoma-associated herpesvirus. Here we have examined how elimination of the NF-kappaB transcription factor p50 from mice affects the life cycle of murine gammaherpesvirus 68 (MHV68). Notably, mice lacking p50 in every cell type were unable to esta...
A neonatal rat dorsal root ganglion-derived neuronal culture system has been utilized to study herpes simplex virus (HSV) latency establishment, maintenance, and reactivation. We present our initial characterization of viral gene expression in neurons following infection with replication-defective HSV recombinants carrying beta-galactosidase and/or green fluorescent protein reporter genes under...
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