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EBV Review

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https://www.readbyqxmd.com/read/27913781/synchronous-microscopic-epstein-barr-virus-positive-diffuse-large-b-cell-lymphoma-of-the-adrenal-and-lymphoplasmacytic-lymphoma-de-novo-disease-or-transformation
#1
Mufaddal T Moonim, Alia Nasir, Jonathan Hubbard, Nicholas Ketley, Paul Fields
Lymphomas arising in the adrenal are rare, and to our knowledge, 2 cases of Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphomas (DLBCL) in an adrenal pseudocyst have been reported. We report an incidental EBV-positive DLBCL arising in an adrenal pseudocyst in a 58-year-old man with a 7-year history of lymphoplasmacytic lymphoma (LPL). The DLBCL was present in the fibrinous exudate, while the LPL resided in the cyst wall. The patient underwent de-roofing of the same cyst 3 years previously; review of histology revealed foci of LPL in the cyst wall, but not of DLBCL...
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27906865/management-of-post-transplant-lymphoproliferative-disorders
#2
Gabriela Llaurador, Lauren McLaughlin, Birte Wistinghausen
PURPOSE OF REVIEW: Post-transplant lymphoproliferative disease (PTLD) is a major complication of hematopoietic stem cell and solid organ transplantation. The incidence of transplantation in childhood has been steadily rising, making PTLD the most common form of lymphoproliferation in childhood. The purpose of this review is to summarize the role of the Epstein-Barr virus (EBV) in the pathophysiology and discuss the management of PTLD. RECENT FINDINGS: More than 90% of pediatric PTLD is EBV-positive...
November 30, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27886133/epigenetic-impact-on-ebv-associated-b-cell-lymphomagenesis
#3
REVIEW
Shatadru Ghosh Roy, Erle S Robertson, Abhik Saha
Epigenetic modifications leading to either transcriptional repression or activation, play an indispensable role in the development of human cancers. Epidemiological study revealed that approximately 20% of all human cancers are associated with tumor viruses. Epstein-Barr virus (EBV), the first human tumor virus, demonstrates frequent epigenetic alterations on both viral and host genomes in associated cancers-both of epithelial and lymphoid origin. The cell type-dependent different EBV latent gene expression patterns appear to be determined by the cellular epigenetic machinery and similarly viral oncoproteins recruit epigenetic regulators in order to deregulate the cellular gene expression profile resulting in several human cancers...
November 24, 2016: Biomolecules
https://www.readbyqxmd.com/read/27882252/sj%C3%A3-gren-s-syndrome-complicated-by-myeloid-natural-killer-cell-precursor-acute-leukemia-case-report-and-review-of-the-literature
#4
Hao Feng, Jianlin Qiao, Ningning Ding, Wei Chen, Kunming Qi, Xiuying Pan, Jiang Cao, Kailin Xu
We report a case of Sjögren's syndrome (SS) complicated by myeloid/natural killer (NK) cell precursor acute leukemia (M/NKPAL). A 75-year-old woman with a previous SS history for 2 years was routinely treated. Peripheral blood progenitor cells were increased, and subsequent bone marrow cell morphology examination showed the presence of acute myeloid leukemia type M4. However, flow cytometry analysis revealed that CD7/CD56/CD33/CD34/HLA-DR/cCD3 were all positive and myeloperoxidase- (MPO-) specific staining, other T cells, NK cells, and myeloid markers were all negative...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27877083/epstein-barr-virus-lytic-reactivation-regulation-and-its-pathogenic-role-in-carcinogenesis
#5
REVIEW
Hongde Li, Sufang Liu, Jianmin Hu, Xiangjian Luo, Namei Li, Ann M Bode, Ya Cao
Epstein-Barr virus (EBV) has been associated with several types of human cancers. In the host, EBV can establish two alternative modes of life cycle, known as latent or lytic and the switch from latency to the lytic cycle is known as EBV reactivation. Although EBV in cancer cells is found mostly in latency, a small number of lytically-infected cells promote carcinogenesis through the release of growth factors and oncogenic cytokines. This review focuses on the mechanisms by which EBV reactivation is controlled by cellular and viral factors, and discusses how EBV lytic infection contributes to human malignancies...
2016: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/27873264/current-trends-and-alternative-scenarios-in-ebv-research
#6
Janos Minarovits, Hans Helmut Niller
Epstein-Barr virus (EBV) infection is associated with several distinct hematological and epithelial malignancies, e.g., Burkitt lymphoma, Hodgkin lymphoma, nasopharyngeal carcinoma, gastric carcinoma, and others. The association with several malignant tumors of local and worldwide distribution makes EBV one of the most important tumor viruses. Furthermore, because EBV can cause posttransplant lymphoproliferative disease, transplant medicine has to deal with EBV as a major pathogenic virus second only to cytomegalovirus...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27872542/pulmonary-lymphomatoid-granulomatosis-a-case-report-with-review-of-literature
#7
Grover Ankita, Dhawan Shashi
Lymphomatoid granulomatosis is a rare, Epstein Barr Virus (EBV)-associated systemic angiodestructive disorder that may progress to a diffuse large B cell lymphoma. Pulmonary involvement occurs in over 90 % cases followed by kidney, skin and brain. WHO classifies lymphomatoid granulomatosis under the generic heading of B cell proliferations of uncertain malignant potential. Radiologically, pulmonary lymphomatoid granulomatosis (PLG) presents with non specific findings making histopathology the gold standard for diagnosis...
December 2016: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27835689/prognostic-correlations-between-abo-blood-group-and-pre-treatment-plasma-epstein-barr-virus-dna-in-patients-with-nasopharyngeal-carcinoma-receiving-intensity-modulated-radiotherapy
#8
Hao Peng, Lei Chen, Wen-Fei Li, Yuan Zhang, Li-Zhi Liu, Li Tian, Ai-Hua Lin, Ying Sun, Jun Ma
PURPOSE: The objective of this study is to assess the prognostic value of ABO blood group in nasopharyngeal carcinoma (NPC) treated by intensity-modulated radiotherapy (IMRT). PATIENTS AND METHODS: We retrospectively reviewed the data on 1397 patients with non-metastatic, newly diagnosed NPC treated using IMRT. Patient survival between different ABO blood groups were compared using log-rank test. Cox hazards model was adopted to establish independent prognostic factors...
2016: PloS One
https://www.readbyqxmd.com/read/27830995/oncogenic-role-of-tumor-viruses-in-humans
#9
Nimrah Akram, Muhammad Imran, Mamoona Noreen, Fayyaz Ahmed, Muhammad Atif, Zareen Fatima, Ahmed Bilal Waqar
Viruses are the intracellular pathogens that reproduce only in the living cell and manipulate the cellular machinery to produce more viruses. Viral replications can affect cellular genes of the host in multiple cancerous ways. Approximately, 20% of all human oncogenesis is caused by cancer-causing viruses known as oncoviruses. Viral infection causes chronic inflammation leading to cell death, uncontrollable proliferation, and modulated expression of some of the regulatory proteins. Oncogenesis is a multistep phenomenon in which normal host cells are transformed into cancerous cells on the basis of host genetic variability...
November 10, 2016: Viral Immunology
https://www.readbyqxmd.com/read/27826287/epstein-barr-virus-diseases-linked-to-infection-and-transformation
#10
REVIEW
Hem C Jha, Yonggang Pei, Erle S Robertson
Epstein-Barr virus (EBV) was first discovered in 1964, and was the first known human tumor virus now shown to be associated with a vast number of human diseases. Numerous studies have been conducted to understand infection, propagation, and transformation in various cell types linked to human diseases. However, a comprehensive lens through which virus infection, reactivation and transformation of infected host cells can be visualized is yet to be formally established and will need much further investigation...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27826043/the-interaction-between-human-papillomavirus-and-other-viruses
#11
REVIEW
J T Guidry, R S Scott
The etiological role of human papillomavirus (HPV) in anogenital tract and head and neck cancers is well established. However, only a low percentage of HPV-positive women develop cancer, indicating that HPV is necessary but not sufficient in carcinogenesis. Several biological and environmental cofactors have been implicated in the development of HPV-associated carcinoma that include immune status, hormonal changes, parity, dietary habits, tobacco usage, and co-infection with other sexually transmissible agents...
November 5, 2016: Virus Research
https://www.readbyqxmd.com/read/27807954/-documented-and-suspected-risk-factors-for-childhood-cancer-aetiology
#12
Corrado Magnani, Lucia Miligi, Stefano Parodi
We present an updated summary on risk factors for childhood malignancies, following to previous reviews published on Epidemiologia&Prevenzione and largely based on the monographs of the International Agency for Research on Cancer (IARC). Ionizing radiations are certain carcinogens, with evidence in humans, from studies both on children and on adults. Evidence specifically regarding childhood cancers is available also for other carcinogens, such as tobacco smoking, some solvents, some occupational activities of parents, and some viruses (HIV and EBV)...
September 2016: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/27805626/pd-1-pd-l1-immune-checkpoint-blockade-in-b-cell-lymphomas
#13
REVIEW
Aaron Goodman, Sandip P Patel, Razelle Kurzrock
Cancer cells can escape T-cell-mediated cellular cytotoxicity by exploiting the inhibitory programmed cell-death protein 1 (PD-1)/programmed cell death 1 ligand 1 (PD-L1) immune checkpoint. Indeed, therapeutic antibodies that block the PD-1-PD-L1 axis induce durable clinical responses against a growing list of solid tumours. B-cell lymphomas also leverage this checkpoint to escape immune recognition, although the outcomes of PD-1-PD-L1 blockade, and the correlations between PD-L1 expression and treatment responses, are less-well elucidated in these diseases than in solid cancers...
November 2, 2016: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/27778143/extranodal-nk-t-cell-lymphoma-nasal-type-enktl-nt-an-update-on-epidemiology-clinical-presentation-and-natural-history-in-north-american-and-european-cases
#14
Bradley M Haverkos, Zenggang Pan, Alejandro A Gru, Aharon G Freud, Rachel Rabinovitch, Meng Xu-Welliver, Brad Otto, Carlos Barrionuevo, Robert A Baiocchi, Rosemary Rochford, Pierluigi Porcu
PURPOSE OF REVIEW: Extranodal NK/T cell lymphoma, nasal type (ENKTL-NT) is an aggressive extranodal non-Hodgkin lymphoma most commonly occurring in East Asia and Latin America but with increasing incidence in the United States. Data on epidemiology, disease presentation, and outcome for European and North American ("Western") cases are very limited. We review published landmark clinical studies on ENKTL-NT in the West and report in detail recent data, including our institutional experience...
October 24, 2016: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/27777802/tafro-syndrome-associated-with-ebv-and-successful-triple-therapy-treatment-case-report-and-review-of-the-literature
#15
Malorie Simons, Emmanuel Apor, James N Butera, Diana O Treaba
TAFRO syndrome is a rare constellation of symptoms: thrombocytopenia, anasarca, reticulin fibrosis of the bone marrow, renal dysfunction, and organomegaly. Its pathogenesis involves an excessive and inappropriate cytokine storm, most notably from IL-6, causing multiorgan failure; however, its etiology is undetermined. Starting in 2012, TAFRO syndrome was first identified in Japan as an atypical variant of Castleman's disease. Previous reports include various different treatment protocols with inconsistent survival outcomes...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27774746/prevalence-of-human-papillomavirus-epstein-barr-virus-and-cytomegalovirus-in-fine-needle-aspirates-from-lung-carcinoma-a-case-control-study-with-review-of-literature
#16
Parikshaa Gupta, Dipanjan Haldar, Jasmine Naru, Pranab Dey, Ashutosh Nath Aggarwal, Ranjana Walker Minz, Ritu Aggarwal
BACKGROUND: Oncogenic viruses have recently been allied with lung carcinoma, however, the causal association has not been established till date. The study was conducted to determine the prevalence of high-risk Human papillomavirus (HPV; subtypes 16, 18, 31, 33 and 45), Epstein-Barr virus (EBV) and cytomegalovirus (CMV) in lung carcinoma using polymerase chain reaction (PCR) on fine needle aspirates. METHODS: Fine needle aspirates of patients with lung carcinoma were included as cases...
December 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27758822/mediastinal-grey-zone-lymphoma-clinico-pathological-characteristics-and-outcomes-of-99-patients-from-the-lysa
#17
Clémentine Sarkozy, Thierry Molina, Hervé Ghesquières, Anne-Sophie Michallet, Jehan Dupuis, Diane Damotte, Franck Morsschauser, Marie Parrens, Laurent Martin, Peggy Dartigues, Aspasia Stamatoullas, Pierre Hirsch, Betina Fabiani, Krimo Bouabdallah, Maria Gomes da Silva, Marie Maerevoet, Camille Laurent, Bertrand Coiffier, Gilles Salles, Alexandra Traverse-Glehen
Mediastinal grey zone lymphoma, B cell lymphomas with intermediate features between classical Hodgkin lymphoma and primary mediastinal B cell lymphoma, are not well described in the literature. We report the clinical characteristics and outcomes of a large retrospective series of 99 cases centrally reviewed by a panel of hematopathologists, with a consensus established for the diagnosis. Cases were defined as classical Hodgkin lymphoma-like morphology (64.6%) with primary mediastinal B cell lymphoma immunophenotype, primary mediastinal B cell lymphoma-like morphology (30...
October 6, 2016: Haematologica
https://www.readbyqxmd.com/read/27755151/epstein-barr-virus-associated-lymphomas-in-people-with-hiv
#18
Antonino Carbone, Chiara C Volpi, Ambra V Gualeni, Annunziata Gloghini
PURPOSE OF REVIEW: The present review summarizes the association of the different histotypes of Epstein-Barr virus (EBV)-associated lymphomas with known genetic lesions and/or oncogenic viruses. A more comprehensive understanding of the complex interplay existing between genetic abnormalities of tumor cells and the viral contribution to the development of EBV-associated lymphomas is pivotal for the development of more effective treatments. RECENT FINDINGS: Recent evidence indicates that HIV may contribute to lymphomagenesis by acting directly on B lymphocytes as a critical microenvironmental factor...
January 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/27750386/the-impact-of-ebv-and-hiv-infection-on-the-microenvironmental-niche-underlying-hodgkin-lymphoma-pathogenesis
#19
Antonino Carbone, Annunziata Gloghini, Arnaldo Caruso, Paolo De Paoli, Riccardo Dolcetti
The pathogenesis of classical Hodgkin lymphoma (cHL) is still enigmatic, largely because its tumor cells, the so-called Hodgkin and Reed-Stenberg (HRS) cells, invariably reside in a prominent reactive microenvironment, are rare and therefore difficult to analyze. On the other hand, the broadly investigated cHL-derived cell lines are not unequivocally considered as suitable and representative models for this puzzling disease. Based on current knowledge, it appears that the cross talk between the tumour cells and the reactive infiltrate of the microenvironment is complex and that multiple mechanisms occur, making cHL a very heterogeneous disease...
October 17, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27748521/severe-epstein-barr-virus-infection-in-primary-immunodeficiency-and-the-normal-host
#20
REVIEW
Austen J J Worth, Charlotte J Houldcroft, Claire Booth
Epstein-Barr virus (EBV) infection is ubiquitous in humans, but the majority of infections have an asymptomatic or self-limiting clinical course. Rarely, individuals may develop a pathological EBV infection with a variety of life threatening complications (including haemophagocytosis and malignancy) and others develop asymptomatic chronic EBV viraemia. Although an impaired ability to control EBV infection has long been recognised as a hallmark of severe T-cell immunodeficiency, the advent of next generation sequencing has identified a series of Primary Immunodeficiencies in which EBV-related pathology is the dominant feature...
November 2016: British Journal of Haematology
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