نتایج جستجو برای: barr virus

تعداد نتایج: 398528  

Journal: :Haematologica 2008
Rocio Hassan Claudete Esteves Klumb Fabricio E Felisbino Deisy M Guiretti Lídia R White Claudio Gustavo Stefanoff Mario Henrique M Barros Héctor N Seuánez Ilana R Zalcberg

We studied a group of 54 children with Burkitt's lymphoma from Southeastern Brazil, where epidemiological status of Burkitt's lymphoma is poorly understood. Epstein-Barr virus association showed an intermediate frequency (~60%) between endemic and sporadic subtypes. Median age was five years. Epstein-Barr virus infection was significantly associated to low age (Epstein-Barr virus(+) four years ...

2012
Qiang Huo Ning Zhang Qifeng Yang

BACKGROUND A large number of epidemiological studies have evaluated the association between Epstein-Barr virus infection and breast carcinoma risk but results have been inconsistent. METHODOLOGY Research using the polymerase chain reaction technique for detecting the Epstein-Barr virus was selected; 24 studies and 1535 cases were reviewed. Information on the study populations, sample types, p...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1973
G Miller M Lipman

Marmoset blood leukocytes transformed in vitro by Epstein-Barr virus regularly release extracellular infectious Epstein-Barr virus with high titers of transforming activity. By comparison, human umbilical cord leukocytes and adult human leukocytes transformed by Epstein-Barr virus release either no extracellular infectious virus or small amounts, irregularly.

2017
Gonzalo Carrasco-Avino Ismael Riquelme Oslando Padilla Miguel Villaseca Francisco R. Aguayo Alejandro H. Corvalan

Epstein-Barr virus-associated gastric carcinoma shows a higher prevalence in the Americas than Asia. We summarize all studies of Epstein Barr virus-associated gastric carcinoma in the Americas, focusing on host characteristics, environmental associations and phylogeographic diversity of Epstein-Barr virus strains. In the Americas, the prevalence of Epstein Barr virus-associated gastric carcinom...

Journal: :Japanese journal of clinical oncology 2014
Chang-Hsien Lu Kam-Fai Lee Chih-Cheng Chen Yi-Yang Chen Cih-En Huang Pei-Shan Tsai Hsing-Yi Tsou Hui-Ju Chou Miao-Fen Chen Pin-Tsung Chen Kuan-Der Lee Jrhau Lung

OBJECTIVE Epstein-Barr virus-positive diffuse large B-cell lymphoma is a provisional entity in the 2008 World Health Organization classification of tumors of hematopoietic and lymphoid tissues. Reports on the characteristics and clinical outcome of this disease in different geographic regions showed great disparities. METHODS To define the clinical characteristics as well as the prognostic im...

Journal: :Science 1985
M L Cleary M A Epstein S Finerty R F Dorfman G W Bornkamm J K Kirkwood A J Morgan J Sklar

Cotton-top tamarins were inoculated with sufficient Epstein-Barr virus to induce multiple tumors in each animal within 14 to 21 days. The tumors consisted of large-cell lymphomas that contained multiple copies of the Epstein-Barr virus genome and generated Epstein-Barr virus-carrying cell lines showing no detectable consistent chromosomal abnormality. Hybridization of tumor DNA with immunoglobu...

Journal: :The Journal of clinical investigation 1997
J A James K M Kaufman A D Farris E Taylor-Albert T J Lehman J B Harley

An unknown environmental agent has been suspected to induce systemic lupus erythematosus (lupus) in man. Prompted by our recent immunochemical findings, we sought evidence for an association between Epstein-Barr virus infection and lupus. Because the vast majority of adults have been infected with Epstein-Barr virus, we chose to study children and young adults. Virtually all (116 of 117, or 99%...

Journal: :Journal of clinical microbiology 1982
D Gallo K H Walen J L Riggs

Epstein-Barr viral capsid antigen and nuclear antigen produced by modified procedures were evaluated for use in measuring viral capsid antigen immunoglobulin M and Epstein-Barr virus nuclear antigen antibody responses in sera from patients with suspected Epstein-Barr virus infections. Viral capsid antigen production was stimulated with a phorbol ester, and the Epstein-Barr virus nuclear antigen...

Journal: :journal of dentistry, tehran university of medical sciences 0
parichehr ghalayani fateme rashidi zahra saberi

objectives: regarding the implication of viruses particularly herpes in pemphigus vulgaris, we sought to assess and compare the level of immunoglobulin g (igg) antibodies against herpes simplex virus types 1 and 2 (hsv1 and hsv2), cytomegalovirus (cmv) and epstein-barr virus (ebv) in patients with pemphigus vulgaris and healthy people.     materials and methods: in this cross-sectional study, 2...

2014
Fereshteh Ameli Firouzeh Ghafourian Noraidah Masir

INTRODUCTION Systemic Epstein-Barr virus-positive T-cell lymphoproliferative childhood disease is an extremely rare disorder and classically arises following primary acute or chronic active Epstein-Barr virus infection. It is characterized by clonal proliferation of Epstein-Barr virus-infected T-cells with an activated cytotoxic phenotype. This disease has a rapid clinical course and is more fr...

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