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Burkitt lymphoma

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https://www.readbyqxmd.com/read/30002792/clonal-t-cell-large-granular-lymphocytic-disorders-manifesting-in-patients-with-hiv-1-infection-case-series-and-review-of-the-literature
#1
Ashley Rose, Leidy Isenalumhe, Magali Van den Bergh, Lubomir Sokol
We report five patients with human immunodeficiency virus-1/acquired immunodeficiency syndrome (HIV-1/AIDS) who developed T-cell large granular lymphocytic proliferation (T-LGLP) or leukemia (T-LGLL). None of the patients fulfilled criteria for diagnosis of diffuse infiltrative lymphocyte syndrome (DILS) or HIV-associated CD8+ lymphocytosis syndrome at the time of diagnosis of LGL. The immunophenotype of malignant T-cells was identical in three patients with co-expression of CD3, CD8, CD57, and T-cell receptor (TCR) alpha/beta...
2018: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/30001436/gammaherpesvirus-infection-and-malignant-disease-in-rhesus-macaques-experimentally-infected-with-siv-or-shiv
#2
Vickie A Marshall, Nazzarena Labo, Xing-Pei Hao, Benjamin Holdridge, Marshall Thompson, Wendell Miley, Catherine Brands, Vicky Coalter, Rebecca Kiser, Miriam Anver, Yelena Golubeva, Andrew Warner, Elaine S Jaffe, Michael Piatak, Scott W Wong, Claes Ohlen, Rhonda MacAllister, Jeremy Smedley, Claire Deleage, Gregory Q Del Prete, Jeffrey D Lifson, Jacob D Estes, Denise Whitby
Human gammaherpesviruses are associated with malignancies in HIV infected individuals; in macaques used in non-human primate models of HIV infection, gammaherpesvirus infections also occur. Limited data on prevalence and tumorigenicity of macaque gammaherpesviruses, mostly cross-sectional analyses of small series, are available. We comprehensively examine all three-rhesus macaque gammaherpesviruses -Rhesus rhadinovirus (RRV), Rhesus Lymphocryptovirus (RLCV) and Retroperitoneal Fibromatosis Herpesvirus (RFHV) in macaques experimentally infected with Simian Immunodeficiency Virus or Simian Human Immunodeficiency Virus (SIV/SHIV) in studies spanning 15 years at the AIDS and Cancer Virus Program of the Frederick National Laboratory for Cancer Research...
July 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29993152/combination-of-177-lu-lilotomab-with-rituximab-significantly-improves-the-therapeutic-outcome-in-pre-clinical-models-of-non-hodgkin-s-lymphoma
#3
Ada H V Repetto-Llamazares, Marion M Malenge, Adam O'Shea, Bergthóra Eiríksdóttir, Trond Stokke, Roy H Larsen, Jostein Dahle
OBJECTIVES: To investigate the therapeutic potential of the next generation anti-CD37 radioimmunoconjugate 177 Lu-lilotomab satetraxetan (177 Lu-lilotomab) in combination with the anti-CD20 antibody rituximab for treatment of mice with non-Hodgkin's lymphoma (NHL) xenografts. METHODS: Nude mice with subcutaneous (s.c.) Burkitt's lymphoma Daudi xenografts and SCID mice intravenously (i.v.) injected with Mantle cell lymphoma Rec-1 cells were treated with either 177 Lu-lilotomab or rituximab alone or with the combination of both treatments...
July 11, 2018: European Journal of Haematology
https://www.readbyqxmd.com/read/29989509/advances-in-pathological-understanding-of-high-grade-b-cell-lymphomas
#4
Shaoying Li, Pei Lin, L Jeffrey Medeiros
The designation high-grade B-cell lymphoma (HGBL) has been incorporated into the 2016 Revision of the WHO classification of lymphoid neoplasms and includes two types: (1) HGBL, not otherwise specified; and (2) HGBL with MYC and BCL2 and/or BCL6 rearrangements, also known as double or triple hit lymphoma (DHL/THL). These categories of lymphomas represent 1-2% of non-Hodgkin lymphomas and a considerable portion of DLBCL patients who are primary refractory to R-CHOP therapy. It corresponds to the designation 'B-cell lymphoma, unclassifiable, with features intermediate between DLBCL and Burkitt lymphoma' in the 2008 WHO classification...
July 10, 2018: Expert Review of Hematology
https://www.readbyqxmd.com/read/29988979/impact-of-histologic-subtypes-and-treatment-modality-among-patients-with-primary-central-nervous-system-lymphoma-a-seer-database-analysis
#5
Dai Chihara, Nathan H Fowler, Yasuhiro Oki, Michelle A Fanale, Loretta J Nastoupil, Jason R Westin, Luis E Fayad, Sattva S Neelapu, Chan Yoon Cheah
Primary central nervous system lymphoma (PCNSL) is a rare and aggressive extranodal presentation of lymphoma; however, the data for outcomes of patients with subtypes other than diffuse large B-cell lymphoma (DLBCL) are limited. Therefore, we analyzed overall survival (OS) of adult patients diagnosed with PCNSL by histologic subtype between 1998 and 2014 using the Surveillance, Epidemiology and End Results. A total of 4375 patients were identified. The median age of the patients was 64 years (range: 18-96)...
June 22, 2018: Oncotarget
https://www.readbyqxmd.com/read/29981149/survival-from-childhood-cancers-in-eastern-africa-a-population-based-registry-study
#6
W Yvonne Joko-Fru, D Maxwell Parkin, Margaret Borok, Eric Chokunonga, Anne Korir, Sarah Nambooze, Henry Wabinga, Biying Liu, Cristina Stefan
Cancers occurring in children in Africa are often underdiagnosed, or at best diagnosed late. Survival is poor as a result; even for cancers considered "curable". With limited population-level data, understanding the actual burden and survival from childhood cancers in Africa is difficult. In this study, we aimed at providing survival estimates for the most common types of cancers affecting children aged 0-14 years, in three population-based Eastern African registries; Harare, Zimbabwe (Kaposi Sarcoma, Wilms Tumour (WT), Non-Hodgkin Lymphoma (NHL), Retinoblastoma and Acute Lymphocytic Leukaemia (ALL)), Kampala, Uganda (Burkitt Lymphoma, Kaposi Sarcoma, WT and Retinoblastoma) and Nairobi, Kenya (ALL, Retinoblastoma, WT, Burkitt Lymphoma and Hodgkin Lymphoma)...
July 7, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29972121/-clinical-features-and-prognosis-of-children-with-mature-b-cell-non-hodgkin-s-lymphoma-an-analysis-of-28-cases
#7
Zai-Sheng Chen, Yong-Zhi Zheng, Yi-Qiao Chen, Qin-Li Gao, Jian Li, Jian-Zhen Shen
OBJECTIVE: To study the clinical features and treatment outcome of children with mature B-cell non-Hodgkin's lymphoma (B-NHL). METHODS: A total of 28 previously untreated children with mature B-NHL were enrolled and given the chemotherapy regimen of CCCG-B-NHL-2010. Among them, 20 were given rituximab in addition to chemotherapy. The children were followed up for 31 months (ranged 4-70 months). A retrospective analysis was performed for the clinical features of these children...
June 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29966473/metabolic-behavior-and-prognostic-value-of-early-and-end-of-treatment-18f-fdg-pet-ct-in-adult-burkitt-s-lymphoma-the-role-of-deauville-and-ihp-criteria
#8
Domenico Albano, Giovanni Bosio, Alessandro Re, Chiara Pagani, Raffaele Giubbini, Francesco Bertagna
Burkitt's lymphoma is a lymphoma with unclear metabolic behavior at 18F-FDG-PET/CT and no validated criteria in treatment evaluation and prediction of outcome exist. Sixty-five patients were retrospectively included: all underwent baseline 18F-FDG-PET/CT, 56 interim PET/CT (iPET/CT) and 54 end of treatment PET/CT (eotPET/CT) after chemotherapy. Interim and eotPET/CT results were visually interpreted according to the criteria of the IHP and Deauville-five-point-scale. Results were correlated with PFS and OS to assess and to compare the predictive value of iPET and eotPET according to each criterion...
July 3, 2018: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29950415/transmembrane-domains-mediate-intra-and-extra-cellular-trafficking-of-epstein-barr-virus-lmp1
#9
Dingani Nkosi, Lauren A Howell, Mujeeb R Cheerathodi, Stephanie N Hurwitz, Deanna C Tremblay, Xia Liu, David G Meckes
EBV latent membrane protein 1 (LMP1) is released from latently infected tumor cells in small membrane-enclosed extracellular vesicles (EVs). Accumulating evidence suggests that LMP1 is a major driver of EV content and functions. LMP1-modified EVs have been shown to influence recipient cell growth, migration, differentiation, and regulation of immune cell function. Despite the significance of LMP1-modified exosomes, very little is known about how this viral protein enters or manipulates the host EV pathway. In this study, LMP1 deletion mutants were generated to assess protein regions required for EV trafficking...
June 27, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29948828/phylogenetic-comparison-of-epstein-barr-virus-genomes
#10
REVIEW
Su Jin Choi, Seok Won Jung, Sora Huh, Hyosun Cho, Hyojeung Kang
Technologies used for genome analysis and whole genome sequencing are useful for us to understand genomic characterization and divergence. The Epstein-Barr virus (EBV) is an oncogenic virus that causes diverse diseases such as Burkitt's lymphoma (BL), nasopharyngeal carcinoma (NPC), Hodgkin's lymphoma (HL), and gastric carcinoma (GC). EBV genomes found in these diseases can be classified either by phases of EBV latency (type-I, -II, and -III latency) or types of EBNA2 sequence difference (type-I EBV, type-II EBV or EBV-1, EBV-2)...
June 14, 2018: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/29947934/-imaging-of-abdominal-tumors-in-childhood-and-adolescence-part-ii-relevant-intra-abdominal-and-retroperitoneal-tumor-entities
#11
D M Renz, H-J Mentzel
Abdominal and pelvic tumors in children and adolescents can be manifested intra-abdominally and also often in the retroperitoneum. The most important pediatric primary retroperitoneal space-occupying lesions are nephroblastoma (Wilms' tumor) and neuroblastoma, whereby imaging plays a decisive role in the diagnostics and differentiation of the two entities. Benign tumors of the mesentery and gastrointestinal tract occur more frequently in children than malignant lesions. The benign entities include lipoma, polyps and vascular tumors, such as lymphatic malformations...
June 12, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29946193/epstein-barr-virus-encoded-ebna2-alters-immune-checkpoint-pd-l1-expression-by-downregulating-mir-34a-in-b-cell-lymphomas
#12
Eleni Anastasiadou, Dina Stroopinsky, Stella Alimperti, Alan L Jiao, Athalia R Pyzer, Claudia Cippitelli, Giuseppina Pepe, Martina Severa, Jacalyn Rosenblatt, Marilena P Etna, Simone Rieger, Bettina Kempkes, Eliana M Coccia, Shannan J Ho Sui, Christopher S Chen, Stefania Uccini, David Avigan, Alberto Faggioni, Pankaj Trivedi, Frank J Slack
Cancer cells subvert host immune surveillance by altering immune checkpoint (IC) proteins. Some Epstein-Barr virus (EBV)-associated tumors have higher Programmed Cell Death Ligand, PD-L1 expression. However, it is not known how EBV alters ICs in the context of its preferred host, the B lymphocyte and in derived lymphomas. Here, we found that latency III-expressing Burkitt lymphoma (BL), diffuse large B-cell lymphomas (DLBCL) or their EBNA2-transfected derivatives express high PD-L1. In a DLBCL model, EBNA2 but not LMP1 is sufficient to induce PD-L1...
June 26, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29942479/burkitt-s-lymphoma-presenting-as-acute-appendicitis-a-case-report
#13
Sebastião D de Morais, Bruno M Mikhael, Stephanie I A Németh, Isabella M L Paulo, Érico O H de Barros, Olímpia A T Lima
Appendiceal lymphomas are exceedingly rare, constituting around 0.015% of all gastrointestinal lymphoma cases. Burkitt's lymphoma is the second most prevalent pathology, diagnosed in 25.9% of patients. We report a case of a 36-year-old male admitted with acute abdominal pain with 2 days of evolution, localized in the right lower quadrant associated with hyporexia, but no fever. On examination he presented abdominal tenderness on the right iliac fossa. A diagnosis of acute appendicitis was made clinically. At the post-operative follow up, 2 weeks later, he presented a low back pain of high intensity, associated with swelling of the abdomen, night sweats, daily fevers and weight loss...
June 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29940062/how-to-decide-which-dlbcl-patients-should-receive-cns-prophylaxis
#14
REVIEW
Kevin H Hall, Elyse Hall Panjic, Kelly Valla, Christopher R Flowers, Jonathon B Cohen
Secondary central nervous system (CNS) relapse in aggressive non-Hodgkin lymphoma (NHL) is a dismal diagnosis with poor outcomes. While prophylaxis against secondary CNS disease is recommended in patients with highly aggressive NHLs, such as Burkitt lymphoma, patients with diffuse large B-cell lymphoma (DLBCL) present a challenging clinical dilemma due to an inherently lower risk of CNS relapse. Current guidelines suggest that prophylaxis may benefit DLBCL patients at high risk for CNS relapse; however, it has been difficult to define which patients are truly at high risk...
June 2018: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/29937761/epstein-barr-virus-induced-metabolic-rearrangements-in-human-b-cell-lymphomas
#15
REVIEW
Pier P Piccaluga, Alessandra Weber, Maria R Ambrosio, Yonis Ahmed, Lorenzo Leoncini
Tumor metabolism has been the object of several studies in the past, leading to the pivotal observation of a consistent shift toward aerobic glycolysis (so-called Warburg effect). More recently, several additional investigations proved that tumor metabolism is profoundly affected during tumorigenesis, including glucose, lipid and amino-acid metabolism. It is noticeable that metabolic reprogramming can represent a suitable therapeutic target in many cancer types. Epstein-Barr virus (EBV) was the first virus linked with cancer in humans when Burkitt lymphoma (BL) was described...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29937461/cow-s-milk-neutralizes-the-cytotoxicity-of-acrolein-a-putative-carcinogen-in-cigarette-smoke
#16
Ryushin Mizuta, Yoshio Kiku, Tomohito Hayashi
Cigarette smoke is a strong and independent risk factor for esophageal cancer, while the consumption of cow's milk has been proposed as a protective factor. The mechanistic role of milk in preventing cancer, however, has not been clarified. We focused our study on acrolein, an abundant unsaturated aldehyde present in cigarette smoke. Acrolein is a highly toxic compound and a putative carcinogen. Using a cell culture system, we found that (1) acrolein caused necrosis in Ramos Burkitt's lymphoma cells, (2) the necrosis was inhibited by preincubation of acrolein with milk, and (3) acrolein formed adducts with milk proteins...
June 25, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29928279/myeloid-derived-suppressor-cells-specifically-suppress-ifn-%C3%AE-production-and-antitumor-cytotoxic-activity-of-v%C3%AE-2-t-cells
#17
Alessandra Sacchi, Nicola Tumino, Andrea Sabatini, Eleonora Cimini, Rita Casetti, Veronica Bordoni, Germana Grassi, Chiara Agrati
γδ T cells represent less than 5% of circulating T cells; they exert a potent cytotoxic function against tumor or infected cells and secrete cytokines like conventional αβ T cells. As αβ T cells γδ T cells reside in the typical T cell compartments (the lymph nodes and spleen), but are more widely distributed in tissues throughout the body. For these reasons, some investigators are exploring the possibility of immunotherapies aimed to expand and activate Vδ2 T cells, or using them as Chimeric Antigen Receptor carriers...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29928154/primary-gastric-burkitt-lymphoma-induced-anaemia-a-case-report-and-a-literature-review
#18
Monika Kapitančukė, Agnija Vaščiūnaitė, Rasa Augustinienė, Jūratė Sakalinskienė, Gražina Kleinotienė
Background: Primary tumours of the gastrointestinal tract are very uncommon in children. They can present with anaemia caused by gastrointestinal acute or chronic bleeding. One of the most common gastrointestinal tumours is Burkitt lymphoma. This lymphoma is a highly aggressive, rapidly growing B-cell neoplasm, making survival without treatment possible only for a few weeks. For this reason it requires immediate hospitalization and treatment. Case report: We report a case of a gastric Burkitt lymphoma in an adolescent girl who presented with anaemia due to gastrointestinal bleeding...
2018: Acta Medica Lituanica
https://www.readbyqxmd.com/read/29908337/sporadic-burkitt-lymphoma-mimicking-an-adnexal-tumor
#19
Chung-Yuan Lee, Yeh Giin Ngo, Meng-Chih Lee, Yu-Che Ou, Chin-Jung Wang
No abstract text is available yet for this article.
June 13, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29899236/antiviral-drugs-for-ebv
#20
Joseph S Pagano, Christopher B Whitehurst, Graciela Andrei
Epstein⁻Barr virus (EBV) infects up to 95% of the adult human population, with primary infection typically occurring during childhood and usually asymptomatic. However, EBV can cause infectious mononucleosis in approximately 35⁻50% cases when infection occurs during adolescence and early adulthood. Epstein⁻Barr virus is also associated with several B-cell malignancies including Burkitt lymphoma, Hodgkin lymphoma, and post-transplant lymphoproliferative disease. A number of antiviral drugs have proven to be effective inhibitors of EBV replication, yet have resulted in limited success clinically, and none of them has been approved for treatment of EBV infections...
June 13, 2018: Cancers
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