نتایج جستجو برای: barr
تعداد نتایج: 24324 فیلتر نتایج به سال:
background & aim: multiple sclerosis(ms) is the most common inflammatory disease of central nervous system which is caused by an autoimmune process leading to destruction of myelin sheath. in this disease, cd4+ t–lymphocytes, mostly of th1 phenotype, play important roles in destruction of neuronal tissues. because of the probable etiologic participation of ebv virus in immunopathogenesis of ms...
INTRODUCTION Granulomatous lesions are commonly encountered abnormalities in pulmonary pathology, and often pose a diagnostic challenge. We report an unusual case of granulomatous lung disease with uncommon characteristics, which developed following Epstein-Barr-virus-induced mononucleosis and new-onset systemic lupus erythematosus. We aim to highlight a diagnostic approach for the condition an...
Mitotic chromosome segregation is mediated by spindle microtubules attached to centromeres. Recent studies, however, revealed that acentric DNA molecules, such as viral replicons and double minute chromosomes, can efficiently segregate into daughter cells by associating with mitotic chromosomes. Based on this similarity between viral and cellular acentric molecules, we introduced Epstein-Barr v...
A transfection assay with a lymphoblastoid cell line infected with Epstein-Barr virus was used to compare the abilities of type 1 and type 2 EBNA2 to sustain cell proliferation. The reduced proliferation in cells expressing type 2 EBNA2 correlated with loss of expression of some cell genes that are known to be targets of type 1 EBNA2. Microarray analysis of EBNA2 target genes identified a small...
The Enzygnost anti-Epstein-Barr virus enzyme-linked immunosorbent assay (ELISA) system, which is based on a defined antigen mixture and on detection of antibodies of the immunoglobulin G (IgG), IgM, and IgA classes, was evaluated for its reliability in diagnosing Epstein-Barr virus infections in childhood. With samples from 66 children, the Epstein-Barr virus status and the infection phase were...
High-molecular-weight DNA from cell line Raji (derived from Burkitt's lymphoma), which contains 50-60 copies of Epstein-Barr virus DNA per cell, was fractionated in neutral solution by several cycles of CsCl gradient centrifugation in fixed-angle rotors. Under the fractionation conditions used, intact Epstein-Barr virus DNA from virus particles can be separated from the less-dense cellular DNA....
A 5 year old boy developed liver failure secondary to infection with Epstein-Barr virus. He was subsequently shown to have a partial C4 complement deficiency. The importance of considering Epstein-Barr virus as a cause of fulminant hepatic failure and the need to assess immune state in such an event is emphasised.
INTRODUCTION Epstein-Barr virus exposure appears to be an environmental trigger for rheumatoid arthritis that interacts with other risk factors. Relationships among anti-cyclic citrullinated peptide antibodies, the shared epitope, and smoking status have been observed in patients with rheumatoid arthritis from different populations. OBJECTIVE To perform an association analysis of anti-Epstein...
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