نتایج جستجو برای: barr virus
تعداد نتایج: 398528 فیلتر نتایج به سال:
OBJECTIVES Hepatitis C virus infection has a 10.5% frequency in liver transplant posttransplant lymphoproliferative disorders. Studies have suggested that hepatitis C virus infection plays a role in developing posttransplant lymphoproliferative disorders. Pooling data of posttransplant lymphoproliferative disorders developing in liver recipients from the literature, we analyzed and compared cha...
OBJECTIVE Clarify the frequency and the pathophysiological mechanisms of the rare manifestations of Epstein-Barr virus infection. SOURCES Original research studies published in English between 1985 and 2015 were selected through a computer-assisted literature search (PubMed and Scopus). Computer searches used combinations of key words relating to "EBV infections" and "atypical manifestation."...
background epstein-barr virus (ebv) is a dna virus which belongs to the herpesviridae family and in γ-herpesvirus subfamily, has been infected about 95% of the world’s population. ebv is transmitted through saliva and associated with different disease such as infectious mononucleosis, nasopharyngeal carcinoma, burkitt`s lymphoma, hodgkin and non-hodgkin`s lymphoma. the study proposed to determi...
Background and purpose: The association of nasopharyngeal carcinoma (NPC) and Epstein-Barr virus (EBV) was firmly established as early as 1973. A clear understanding of its etiology is still lacking, but nasopharyngeal carcinoma is widely suspected to be the result of both a genetic susceptibility and exposure to environmental factors or Epstein-Barr virus infection. NPC is more prevalent in yo...
Rheumatoid arthritis is a systemic autoimmune disease characterized by chronic, destructive, debilitating arthritis. Its etiology is unknown; it is presumed that environmental factors trigger development in the genetically predisposed. Epstein-Barr virus, a nearly ubiquitous virus in the human population, has generated great interest as a potential trigger. This virus stimulates polyclonal lymp...
Two independent techniques, in situ hybridization on frozen sections and reassociation kinetics, have been used to localize Epstein-Barr virus genomes in tissue samples from healthy human adults. Whereas specimens taken from the palatine tonsils were invariably negative, all samples from the parotid gland were positive when tested with either technique. This observation suggests that the paroti...
A case of AIDS with varicella zoster virus fulminant necrotizing encephalitis associated with cytomegalovirus ependymitis-subependymitis and a periventricular Epstein-Barr virus-related lymphoma is described. The patient had no herpes zoster cutaneous eruptions and died three days after the onset of symptoms. Varicella zoster virus and cytomegalovirus antigens were found by immunohistochemistry...
BACKGROUND Primary lymphoepithelial-like carcinoma of the parotid gland is a rare tumour with an increased incidence among Eskimos and Orientals. In these populations, it is usually associated with Epstein-Barr virus. In Western countries, salivary gland lymphoepithelial-like carcinomas are uncommon and only 14 cases have been described so far; among these, only five cases showed Epstein-Barr v...
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