نتایج جستجو برای: barr virus ebv
تعداد نتایج: 400744 فیلتر نتایج به سال:
Epstein Barr virus (EBV) is closely associated with the development of a vast number of human cancers. To develop a system for monitoring early cellular and viral events associated with EBV infection a self-recombining BAC containing 172-kb of the Epstein Barr virus genome BAC-EBV designated as MD1 BAC (Chen et al., 2005, J.Virology) was used to introduce an expression cassette of green fluores...
A 38-year-old male was admitted with fever, progressive jaundice, cervical lymphadenopathy, hepatomegaly and acute oliguric renal failure. Epstein-Barr virus (EBV) infection was diagnosed by detection of EBV-DNA in plasma and confirmed by EBV seroconversion. Kidney biopsy revealed acute tubular necrosis and abundant casts, consisting of bilirubin pigment. With conservative treatment, the patien...
Epstein-Barr virus (EBV) is involved in numerous lymphoproliferative diseases. In addition to classical lesions such as endemic Burkitt's lymphoma and infectious mononucleosis, there are other disorders of the lymphoid system that are discussed in relation to EBV: B-cell lymphomas in immunosuppressed individuals. Hodgkin's disease and, to some extent, primary extranodal lymphomas. Studies of th...
We have studied by the in situ hybridization method the presence of Epstein-Barr virus (EBV) DNA genome in lymph node tissues from 11 patients with persistent generalized lymphadenopathy. Using a biotinylated EBV DNA probe, we demonstrated EBV nucleic acid in scattered germinal centre cells in eight of the 11 cases. Our results suggest that EBV is not a determinant factor in the pathogenesis of...
Epstein-Barr Virus-associated lymphoproliferative disorders: experimental and clinical developments.
Epstein-Barr Virus (EBV), the first human virus related to oncogenesis, was initially identified in a Burkitt lymphoma cell line in 1964. EBV infects over 90% of the world's population. Most infected people maintain an asymptomatic but persistent EBV infection lifelong. However, in some individuals, EBV infection has been involved in the development of cancer and autoimmune disease. Nowadays, o...
Epstein Barr Virus (EBV) replicates in oral epithelial cells and gains entry to B-lymphocytes. In B-lymphocytes, EBV expresses a restricted subset of genes, the Latency III program, which converts B-lymphocytes to proliferating lymphoblasts. Latent Membrane Protein 1 (LMP1) and the other Latency III associated proteins are also expressed during virus replication. LMP1 is essential for virus rep...
Human blood and tonsil B lymphocytes were fractionated on density gradients and tested for virus binding and penetration into the cells. Epstein-Barr Virus (EBV) transformation was detected by immunofluorescence staining for EBV-determined nuclear antigen (EBNA). EBV bound to and penetrated all B cell populations, but only the high density populations were transformed. Activated B lymphocytes w...
سابقه و هدف: سرطان مری یکی از شایعترین سرطان های سیستم گوارش است که عفونت با ویروس های سرطان زا بعنوان یکی از عوامل خطر این سرطان مطرح می باشند. ویروس اپشتین-بار (epstein-barr virus; ebv)یک ویروس سرطان زای انسانی است که میتواند سلولهای اپیتلیال را آلوده کرده و منجر به بدخیمی آنها شود. برخی مطالعات به نقش ebv در بروز کارسینوم سنگفرشی مری esophageal squamous cell carcinoma= escc)) اشاره دارند. و...
Fulminant Epstein-Barr virus (EBV)-driven clonal T-cell lymphoproliferative disorder (T-LPD) is rare and most patients are of Asian origin. The disease usually develops shortly after primary acute EBV infection and the mechanism remains poorly understood. Here we report such a rare case in a 28-year-old Caucasian female with systemic lupus erythematosus (SLE). Immunophenotypic and molecular stu...
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