نتایج جستجو برای: virus latency
تعداد نتایج: 438494 فیلتر نتایج به سال:
During neuronal latency of herpes simplex virus (HSV)-1, the latency-associated transcript (LAT) is the only viral gene readily detectable. LAT is required for the high-level reactivation phenotype in animal models. LAT's anti-apoptotic activity was recently demonstrated by our group and it was proposed that LAT's anti-apoptotic function is involved in enhancing the reactivation phenotype. Rece...
Objective: To establish cell model of herpes simplex virus type 2 latent infection and reactivation in SHSY5Y cells. Methods: Effects of ACV on SH-SY5Y cells were observed after cells were treated with ACV concentrations of 20, 40, 60, 80, 100, 120, or 140 μmol/L, and also cells morphology was observed under phase contrast microscope after HSV-2 was inoculated into SH-SY5Y cells using MOI of 0....
A critical determinant in chronic gammaherpesvirus infections is the ability of these viruses to establish latency in a lymphocyte reservoir. The nuclear factor (NF)-jB family of transcription factors represent key players in B-cell biology and are targeted by gammaherpesviruses to promote host cell survival, proliferation, and transformation. However, the role of NF-jB signaling in the establi...
The histone H3.3 chaperone DAXX is implicated in formation of heterochromatin and transcription silencing, especially for newly infecting DNA virus genomes entering the nucleus. Epstein-Barr virus (EBV) can efficiently establish stable latent infection as a chromatinized episome in the nucleus of infected cells. The EBV tegument BNRF1 is a DAXX-interacting protein required for the establishment...
The Epstein-Barr virus (EBV) infects more than 90% of the human population, and causes glandular fever as well as several more serious diseases. It is a tumor virus, and has been widely studied as a model system for cell transformation in humans. A central feature of the EBV life cycle is its ability to persist in human B cells in different latency states, denoted latency I, II, and III. In lat...
A critical determinant in chronic gammaherpesvirus infections is the ability of these viruses to establish latency in a lymphocyte reservoir. The nuclear factor (NF)-kappaB family of transcription factors represent key players in B-cell biology and are targeted by gammaherpesviruses to promote host cell survival, proliferation, and transformation. However, the role of NF-kappaB signaling in the...
Viruses that infect the nervous system may cause acute, chronic or latent infections. Despite the so-called immunoprivileged status of the nervous system, immunosurveillance plays an important role in the fate of viral infection of the brain. Herpes simplex virus 1 (HSV-1) persists in the nervous system for the life of the host with periodic stress induced reactivation that produces progeny vir...
Simian varicella virus (SVV), the etiologic agent of naturally occurring varicella in primates, is genetically and antigenically closely related to human varicella zoster virus (VZV). Early attempts to develop a model of VZV pathogenesis and latency in nonhuman primates (NHP) resulted in persistent infection. More recent models successfully produced latency; however, only a minority of monkeys ...
The application of molecular biology in the study of the pathogenesis of herpes simplex virus type 1 (HSV-1) has led to significant advances in our understanding of mechanisms that regulate virus behavior in sensory neurons and epithelial tissue. Such study has provided insight into the relationship of host and viral factors that regulate latency, reactivation, and recurrent disease. This revie...
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