نتایج جستجو برای: virus reactivation
تعداد نتایج: 406583 فیلتر نتایج به سال:
Oncogenic Herpesvirus Utilizes Stress-Induced Cell Cycle Checkpoints for Efficient Lytic Replication
Kaposi's sarcoma herpesvirus (KSHV) causes Kaposi's sarcoma and certain lymphoproliferative malignancies. Latent infection is established in the majority of tumor cells, whereas lytic replication is reactivated in a small fraction of cells, which is important for both virus spread and disease progression. A siRNA screen for novel regulators of KSHV reactivation identified the E3 ubiquitin ligas...
Genital herpes is increasingly caused by herpes simplex virus type 1 (HSV-1), but recurrences are less frequent than with HSV-2. Distinguishing between primary genital infection and reactivation can be difficult, but HSV-1 more often causes severe primary infections and fewer recurrences. However, as virus reactivation is common during septic shock, a severe form of HSV-1 reactivation can occur...
Herpes simplex virus (HSV) encephalitis was produced in mice from reactivation of latent virus. Two experimental models were used: the trigeminal model after corneal inoculation of HSV, and the hypoglossal model after tongue inoculation of HSV. In the trigeminal model, cyclophosphamide treatment induced reactivation of latent virus in ganglia but not in central nervous system tissue. Spread of ...
Bovine herpesvirus 1 (BoHV-1) is one of the most important infectious viruses of cattle which is considered as the causative agent of several clinical conditions in this species. Hence, we tried to isolate a local strain of the virus from carrier cattle in Ahvaz based on a strategy for reactivation of the latent infection in hosts having antibodies against the virus. Thus, 20 cattle were examin...
Treatment of hepatitis C virus with potent, interferon-free, direct-acting antiviral regimens with no activity against hepatitis B virus (HBV) may increase the risk for HBV reactivation in coinfected patients. We present 2 cases of HBV reactivation during treatment with an all-oral regimen of simeprevir and sofosbuvir and discuss strategies to prevent HBV flare.
Herpes simplex virus types 1 and 2 (HSV-1 and HSV-2) have evolved specific anatomic tropisms and site-dependent rates of reactivation. To determine whether reactivation rates depend on distinct abilities of HSV-1 and -2 to establish latency and to express latency-associated transcripts (LATs), virulent strains of each virus were studied in the guinea pig genital model. Following infection with ...
We have used the technique of host cell reactivation of UV-irradiated herpes simplex virus type 1 as a measure of the repair capacity of three Bloom's syndrome skin fibroblast strains. At low multiplicity of infection (less than 6 x 10(-4) plaque-forming unit/cell), reactivation of the virus by the Bloom's syndrome strains was indistinguishable from that by normal strains. Reactivation at highe...
Chronic viral infections are difficult to treat, and new approaches are needed, particularly those aimed at reducing reactivation by enhancing immune responses. Herpes simplex virus (HSV) establishes latency and reactivates frequently, and breakthrough reactivation can occur despite suppressive antiviral therapy. Virus-specific T cells are important to control HSV, and proliferation of activate...
Herpes simplex virus type 1 (HSV-1) establishes a latent infection in neurons of the peripheral nervous system. During latent HSV-1 infection, viral gene expression is limited to latency-associated transcripts (LAT). HSV-1 remains latent until an unknown mechanism induces reactivation. The ability of the latent virus to periodically reactivate and be shed is essential to the transmission of dis...
Hepatitis B virus (HBV) can still be found within the hepatocytes after its clearance and the control of viral replication depends on the immune response. However during immunosuppression, seroconversion of HBsAg has been described followed by disease reactivation. Hepatitis B virus reactivation represents an emerging cause of liver disease in patients undergoing treatment with biologic agents ...
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