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https://www.readbyqxmd.com/read/28919785/biomarker-analysis-and-clinical-relevance-of-tk1-on-the-cell-membrane-of-burkitt-s-lymphoma-and-acute-lymphoblastic-leukemia
#1
Evita G Weagel, Wei Meng, Michelle H Townsend, Edwin J Velazquez, Rachel A Brog, Michael W Boyer, K Scott Weber, Richard A Robison, Kim L O'Neill
TK1 is an enzyme involved in DNA synthesis and repair. TK1 is usually found elevated in cancer patients' serum, which makes it a useful tumor proliferation biomarker that strongly correlates with cancer stage, metastatic capabilities, and recurrence risk. In this study, we show that TK1 is upregulated and localizes on the plasma membrane of Burkitt's lymphoma, acute promyelocytic leukemia, T cell leukemia, and acute lymphoblastic leukemia (ALL). Using flow cytometry, we confirmed that TK1 localizes on the surface of Raji, HL60, and Jurkat cell lines and on ALL clinical samples...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28902524/molecular-cytogenetic-characterization-identified-the-murine-b-cell-lymphoma-cell-line-a-20-as-a-model-for-sporadic-burkitt-s-lymphoma
#2
Karolina Guja, Thomas Liehr, Martina Rincic, Nadezda Kosyakova, Shaymaa S Hussein Azawi
Here, we report the first molecular cytogenetic characterization of the BALB/cAnN mouse derived B-cell non-Hodgkin lymphoma (B-cell NHL) cell lines A-20. Even though previously used as a model for testing of, for example, dexametason, up to present, no data in the genetic properties of A-20 were available. The present study closed this gap and provides evidence that A-20 is a model for B-cell NHL subgroup sporadic Burkitt's lymphoma. C-myc oncogene is involved in a translocation and copy number alterations as gain of murine 14q material could be observed...
September 1, 2017: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/28900468/cancer-of-childhood-in-sub-saharan-africa
#3
REVIEW
Cristina Stefan, Freddie Bray, Jacques Ferlay, Biying Liu, D Maxwell Parkin
Measurement of incidence rates of childhood cancer in Africa is difficult. The study 'Cancer of Childhood in sub Saharan Africa' brings together results from 16 population-based registries which, as members of the African Cancer Registry Network (AFCRN), have been evaluated as achieving adequate coverage of their target population. The cancers are classified according to the third revision of the International Classification of Childhood Cancer (ICCC-3) and recorded rates in Africa are compared with those in childhood populations in the UK, France, and the USA...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28893938/epstein-barr-virus-associated-lymphomas
#4
REVIEW
Claire Shannon-Lowe, Alan B Rickinson, Andrew I Bell
Epstein-Barr virus (EBV), originally discovered through its association with Burkitt lymphoma, is now aetiologically linked to a remarkably wide range of lymphoproliferative lesions and malignant lymphomas of B-, T- and NK-cell origin. Some occur as rare accidents of virus persistence in the B lymphoid system, while others arise as a result of viral entry into unnatural target cells. The early finding that EBV is a potent B-cell growth transforming agent hinted at a simple oncogenic mechanism by which this virus could promote lymphomagenesis...
October 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28893933/tumour-virus-epidemiology
#5
REVIEW
Ruth M Lunn, Gloria D Jahnke, Charles S Rabkin
A viral etiology of cancer was first demonstrated in 1911 by Peyton Rous who injected cell-free filtrate from a chicken sarcoma into healthy chickens and found it induced a tumour. Since the discovery over 50 years ago of the Epstein-Barr virus as the cause of Burkitt lymphoma, seven other human viruses or groups of viruses-hepatitis B virus, hepatitis C virus, human immunodeficiency virus type 1, some human papillomaviruses, human T-cell lymphotropic virus type 1, Kaposi sarcoma-associated herpesvirus and Merkel cell polyomavirus-have been linked to human cancer...
October 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28893133/rale051-a-novel-established-cell-line-of-sporadic-burkitt-lymphoma
#6
Alberto L'Abbate, Ilaria Iacobucci, Angelo Lonoce, Antonella Turchiano, Elisa Ficarra, Giulia Paciello, Federica Cattina, Anna Ferrari, Enrica Imbrogno, Claudio Agostinelli, Pierluigi Zinzani, Giovanni Martinelli, Enrico Derenzini, Clelia Tiziana Storlazzi
To date, the lack of chemo-naive cell models limited exploratory studies to define novel therapies for Burkitt lymphoma (BL). To obtain a useful tool for biological and translational studies for this tumor, we established the RALE051 cell line from the malignant ascitic fluid cells of a patient at initial diagnosis, not previously exposed to any treatment. The cell line was characterized by karyotyping, fluorescence in situ hybridization (FISH), single nucleotide polymorphism (SNP) array, immunohistochemistry, and RNA-Seq, revealing the persistence of biological and molecular features observed in the primary ascitic fluid, such as the cell morphology and immunophenotype, the occurrence of a t(8;22) translocation deregulating MYC, knock-out ID3 mutations in a compound homozygous state, and a mutated TP53...
September 11, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28892735/expression-of-the-chemokine-receptors-ccr1-and-ccr2b-is-up-regulated-in-peripheral-blood-b-cells-upon-ebv-infection-and-in-established-lymphoblastoid-cell-lines
#7
Irina Kholodnyuk, Zanna Rudevica, Ainars Leonciks, Barbro Ehlin-Henriksson, Elena Kashuba
In immunocompetent individuals, EBV establishes in B cells an asymptomatic lifelong latent infection controlled by the immune system. Chemokine receptors regulate immune system function. CCR1 and CCR2 share protein sequence similarity and exert responses to multiple chemokines. The role of these receptors in B cells is largely unknown. We show that the mRNA and functional protein expression of CCR1 and CCR2 is induced in ex vivo B cells upon EBV infection and in established lymphoblastoid cell lines (LCLs)...
September 8, 2017: Virology
https://www.readbyqxmd.com/read/28890232/complete-progressive-ophthalmoplegia-and-numb-chin-syndrome-the-first-clinical-manifestations-of-a-lethal-abdominal-burkitt-lymphoma
#8
Smaranda Maier, Rodica Bălaşa, Zoltan Bajko, Iunius Simu, Emoke Horvath
A 57-year-old patient was admitted to the Neurology Clinic for hypoesthesia, intense pain in the right chin and double vision. During the hospitalization, the patient developed progressive complete bilateral ophthalmoplegia and numbness of both sides of the chin. Brain CT and MRI scans with gadolinium were normal. Standard laboratory tests on admission were normal. The cerebral spinal fluid examination and the infectious and autoimmune workup were also normal. A thoracic-abdominal and pelvic CT scan revealed two hypodense lesions in the liver, irregular thickening of the gastric and ileal wall, and multiple abdominal adenopathies...
August 18, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28883270/malignant-lymphoma-in-adolescents-and-young-adults-from-the-viewpoint-of-physicians
#9
Dai Maruyama
Malignant lymphoma (ML) is one of the most common malignancies among adolescents and young adults (AYA), accounting for approximately 20% of newly diagnosed cancers in this group. Although Hodgkin lymphoma represents only approximately 4%-5% of all cancers in children younger than 15 years of age, its incidence increases to approximately 16% in AYA. In non-Hodgkin lymphoma, the common malignancies affecting AYA include diffuse large B-cell lymphoma, Burkitt lymphoma, and anaplastic large cell lymphoma. Although it is generally accepted that AYA with ML experience outcomes that are worse than those experienced by children with ML, there are several critical issues...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28882670/bi-and-bisbibenzyls-from-the-roots-of-dichapetalum-heudelotii-and-their-antiproliferative-activities
#10
Dorcas Osei-Safo, Godwin Akpeko Dziwornu, Antonio Salgado, Suthananda Naidu Sunassee, Mary Anti Chama
Two new bisbibenzyls, heudelotol A (1) and B (2), along with the known bibenzyls, (E)-combretastatin A-1 (3) and combretastatin B-1 (4) have been isolated from the ethyl acetate extract of the roots of Dichapetalum heudelotii. Structure elucidation of all four isolated compounds was achieved using UV, IR, 1D and 2D NMR spectroscopy and HR-Mass Spectrometry. The compounds exhibited varying antiproliferative activity against six cancer cell lines using the CellTiter-Glo® Luminiscent Cell Viability Assay. Compound 3 was found to be the most active with sub-micromolar growth inhibition concentrations against all the cell lines (GI50 0...
September 4, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28881975/molecular-signatures-that-can-be-transferred-across-different-omics-platforms
#11
M Altenbuchinger, P Schwarzfischer, T Rehberg, J Reinders, Ch W Kohler, W Gronwald, J Richter, M Szczepanowski, N Masqué-Soler, W Klapper, P J Oefner, R Spang
Motivation: Molecular signatures for treatment recommendations are well researched. Still it is challenging to apply them to data generated by different protocols or technical platforms. Results: We analyzed paired data for the same tumors (Burkitt lymphoma, diffuse large B-cell lymphoma) and features that had been generated by different experimental protocols and analytical platforms including the nanoString nCounter and Affymetrix Gene Chip transcriptomics as well as the SWATH and SRM proteomics platforms...
July 15, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28875507/the-etiology-of-b-cell-lymphoid-malignancies-with-a-focus-on-chronic-inflammation-and-infections
#12
Karin E Smedby, Maurilio Ponzoni
B-cell malignancies are a heterogeneous group of lymphoproliferative disorders with different molecular characteristics and clinical course. It is increasingly recognized that the group displays considerable heterogeneity also regarding etiologic factors. Here, we summarize the latest developments in the etiology of B-cell lymphoid malignancy subtypes focusing on immune perturbation. Severe immune suppression constitues a strong and well established risk factor for aggressive subtypes (e.g., diffuse large B-cell and Burkitt lymphoma), but appears unrelated to risk of common low-grade subtypes (e...
September 5, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28872711/candida-reactive-t%C3%A2-cells-for-the-diagnosis-of-invasive-candida-infection-of-the-lumbar-vertebral-spine
#13
Felix C Koehler, Oliver A Cornely, Hilmar Wisplinghoff, De-Hua Chang, Anne Richter, Philipp Koehler
Invasive Candida infection is the fourth most common bloodstream infection. Blood cultures are the current gold standard diagnostic method, however false negatives remain a clinical challenge. We developed a new technique measuring Candida reactive T cells as diagnostic read-out for invasive Candida infection. In a pilot study, we followed the treatment course of a patient with an invasive Candida infection of the lumbar vertebral spine. We present the case of the 56 year old patient with HIV-associated Burkitt lymphoma who developed septic shock during chemotherapy induced neutropenia...
September 5, 2017: Mycoses
https://www.readbyqxmd.com/read/28860080/rituximab-desensitization-in-three-patients-with-severe-rituximab-allergy
#14
Erman Öztürk, Leyla Pur Özyiğit, Ayşe Bilge Öztürk, Meltem Olga Akay, Mustafa Çetiner, Burhan Ferhanoğlu
Rituximab is a chimeric monoclonal antibody that targets CD20 positive B cells and has a positive effect on both overall and progression-free survival in B-cell lymphoid malignancies. Combination rituximab with chemotherapy treatment provide survival improvement. Although rituximab is an important treatment option in hematological malignancies, the risk of allergic reactions is high. These reactions are usually IgE-mediated and can be varied in regard of severity from urticaria to anaphylaxis. It is an option to interrupt the treatment and ommit rituximab therapy who had allergic reactions...
July 27, 2017: Current Problems in Cancer
https://www.readbyqxmd.com/read/28859023/isolated-third-cranial-nerve-palsy-leading-to-the-diagnosis-of-disseminated-burkitt-lymphoma-a-case-report-and-literature-review
#15
Arens Taga, Marco Russo, Irene Florindo, Giovanni Pavesi
INTRODUCTION: Dysfunction of the third cranial nerve can result from lesions anywhere along its course between the midbrain and the orbit. Lymphoma is a rare cause of isolated oculomotor nerve palsy (OMP), with only 19 cases reported in the literature. We describe a case of an isolated OMP leading to the diagnosis of disseminated Burkitt lymphoma (BL). CASE REPORT: A 37-year-old man presented with acute onset diplopia and right ptosis and was found to have a right pupillary sparing OMP...
September 2017: Neurologist
https://www.readbyqxmd.com/read/28858629/selective-expression-of-the-transcription-elongation-factor-ell3-in-b-cells-prior-to-ell2-drives-proliferation-and-survival
#16
Lou-Ella M M Alexander, January Watters, Jessica A Reusch, Michelle Maurin, Brook S Nepon-Sixt, Katerina Vrzalikova, Mark G Alexandrow, Paul G Murray, Kenneth L Wright
B cell activation is dependent on a large increase in transcriptional output followed by focused expression on secreted immunoglobulin as the cell transitions to an antibody producing plasma cell. The rapid transcriptional induction is facilitated by the release of poised RNA pol II into productive elongation through assembly of the super elongation complex (SEC). We report that a SEC component, the Eleven -nineteen Lysine-rich leukemia (ELL) family member 3 (ELL3) is dynamically up-regulated in mature and activated human B cells followed by suppression as B cells transition to plasma cells in part mediated by the transcription repressor PRDM1...
August 28, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28855988/intestinal-atresia-following-chemotherapy-presenting-as-superior-mesenteric-artery-syndrome-a-case-report
#17
Xing Wang, Jian-Zhong Li, Ying-Hui Yang, Xiao-Li Huang, Yu Wang, Bin Wu
Multi-agent chemotherapy is recognized as the most common and effective treatment for Burkitt lymphoma, and intestinal mucosal injury is a common gastrointestinal complication following intensive chemotherapy. The aim of the present study was to describe a case of non-Hodgkin lymphoma with intestinal obstruction after chemotherapy in a young adult. The patient presented with aggravated vomiting during the second session of chemotherapy, which was initially attributed to superior mesenteric artery syndrome. However, following surgical intervention, the symptom was proven to be due to extreme intestinal stenosis in the ascending part of the duodenum...
October 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28855351/non-hodgkin-and-hodgkin-lymphomas-select-for-overexpression-of-bclw
#18
Clare M Adams, Ramkrishna Mitra, Jerald Gong, Christine M Eischen
PURPOSE: B-cell lymphomas must acquire resistance to apoptosis during their development. We recently discovered BCLW, an anti-apoptotic BCL2 family member thought only to contribute to spermatogenesis, was overexpressed in diffuse large B-cell lymphoma (DLBCL) and Burkitt lymphoma. To gain insight into the contribution of BCLW to B-cell lymphomas and its potential to confer resistance to BCL2 inhibitors, we investigated the expression of BCLW and the other anti-apoptotic BCL2 family members in six different B-cell lymphomas...
August 29, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28844114/the-clinicopathologic-spectrum-of-mature-aggressive-b-cell-lymphomas
#19
REVIEW
Lisa Rimsza, Stefania Pittaluga, Stephan Dirnhofer, Christiane Copie-Bergman, Laurence de Leval, Fabio Facchetti, Stefano Pileri, Andreas Rosenwald, Andrew Wotherspoon, Falko Fend
Our understanding of mature aggressive B cell lymphomas has evolved significantly in the last years as reflected in the 2016 update of the WHO lymphoma classification. A main topic of the 2016 European Association for Haematopathology/Society of Hematopathology lymphoma workshop in Basel therefore was the clinicopathological spectrum of mature aggressive B cell lymphomas with the exception of conventional diffuse large B cell lymphoma. In this review, we summarize two sessions dedicated to "high-grade B cell lymphomas, with MYC and BCL2 and/or BCL6 rearrangements (so-called double/triple-hit lymphomas)" and "high-grade B cell lymphomas, NOS" as defined in the 2016 update of the WHO lymphoma classification, Burkitt lymphoma and related neoplasms, and terminally differentiated aggressive B cell lymphomas...
August 26, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28830898/primary-gastric-burkitt-lymphoma-a-rare-cause-of-life-threatening-haematemesis
#20
Fares Ayoub, Justin J Forde, Niraj Patel, Merry Markham
Lymphomas are the second most common gastric malignancy following gastric adenocarcinoma. The majority of gastric lymphomas are either mucosa-associated lymphoid tissue lymphomas or diffuse large B-cell lymphomas. Primary gastric Burkitt lymphoma is a subtype of non-Hodgkin's lymphoma and represents an aggressive and rare malignancy with only a small number of cases reported worldwide. Clinical and radiological presentation is non-specific and mimics other gastric lymphomas. Diagnosis is established with pathological evaluation...
August 22, 2017: BMJ Case Reports
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