نتایج جستجو برای: epstein
تعداد نتایج: 25172 فیلتر نتایج به سال:
A monoclonal antibody (mAb) designated 55H3 was produced by using chemically induced Epstein-Barr virus genome-positive B95-8 cells. mAb 55H3, which reacted with an 85- to 80-kDa polypeptide, neutralized Epstein-Barr virus-encoded DNA polymerase activity in crude extracts of chemically induced M-ABA, HR-1, and B95-8 cells, as well as the partially purified Epstein-Barr virus DNA polymerase in a...
Infection of a human lymphoblastoid cell line (Jijoye line derived from a Burkitt lymphoma which contains Epstein-Barr virus) with equine herpesvirus 1, maintained and observed for 53 days, was characterized by the continuous production of infectious extracellular and intracellular virus. Maximum virus production correlated with active cell multiplication. Less than 15% of the cells possessed v...
The Epstein-Barr virus is responsible for infectious mononucleosis syndrome and is also closely associated to several types of cancer. The main complication involving Epstein-Barr virus infection, both in recipients of hematopoietic stem cells and solid organs, is post-transplant lymphoproliferative disease. The importance of this disease has increased interest in the development of laboratory ...
The Enzygnost alpha method was tested against the complement fixation test and anti-VCA immunofluorescence to determine the respective titers of anti-cytomegalovirus and anti-Epstein-Barr virus immunoglobulin G antibodies. For cytomegalovirus, the Enzygnost results showed 97.99% agreement with the readings obtained by the alternative method, with 100% sensitivity and 93.7% specificity. For Epst...
We describe a unique case of fulminant infectious mononucleosis and recurrent Epstein-Barr virus reactivation presenting in an adolescent. Detailed assays of Epstein-Barr virus-specific T cell immunity revealed defects in the patient's T cell receptor signalling pathway characterized by a lack of interleukin-2 and CD25 expression, which may have contributed to her clinical course. Allogeneic st...
In this paper we examine the potential role of Information Technology (IT) in so-called Virtual Enterprises (VE). We do this by providing a case study of the entrepreneur Bill Epstein. We briefly describe Epstein’s activities and his role as enterprise „broker“. We speculate about the possible reasons why Epstein himself does not make heavy use of IT and present a tool box of possible IT which ...
A case of lymphoepithelial carcinoma occurring in the left submandibular salivary gland is presented. Histologic features of this rare malignancy are described in detail. This unusual carcinoma has been described frequently in Eskimos and is usually located in the parotid gland. The raised serum IgG to Epstein-Barr virus capsid antigen suggests a causal relationship between Epstein-Barr virus a...
A B-lymphoid cell line was established from a normal gorilla. The cells contained Epstein-Barr virus-related antigens, and herpesvirus particles were demonstrated by electron microscopy. DNA-DNA reassociation kinétics revealed 30 to 40% hybridization to Epstein-Barr virus with 50 genomes per cell. Examination of the viral nuclear antigen with gorilla sera showed this to be a unique isolate term...
Lymphoproliferative disorders following liver transplantation are often Epstein-Barr virus (EBV)-related highgrade B cell lymphomas. EBV-negative and low-grade lymphoma is a very rare condition after cadaveric as well as living donor liver transplantation (LDLT). Herein we report a case of follicular lymphoma with negative EBV viral capsid antigen (VCA), IgM, IgG and Epstein-Barr virus-encoded ...
Four cases of lymphomatoid granulomatosis are reported, three of them involving the lung. Histological features included a true angiocentric and angiodestructive polymorphic cellular proliferation. This included histiocytes, plasma cells, many reactive T-cells and rare large, atypical cells which were of the B phenotype. Epstein-Barr virus was detected in the atypical cells by in situ hybridiza...
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