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https://www.readbyqxmd.com/read/28331227/zdhhc11-and-zdhhc11b-are-critical-novel-components-of-the-oncogenic-myc-mir-150-myb-network-in-burkitt-lymphoma
#1
A Dzikiewicz-Krawczyk, K Kok, I Slezak-Prochazka, J-L Robertus, J Bruining, M M Tayari, B Rutgers, D de Jong, J Koerts, A Seitz, J Li, B Tillema, J E Guikema, I M Nolte, A Diepstra, L Visser, J Kluiver, A van den Berg
Leukemia accepted article preview online, 23 March 2017. doi:10.1038/leu.2017.94.
March 23, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28328599/burkitt-lymphoma-in-adult-with-atypical-clinical-presentation-primarily-involving-the-oral-soft-tissue
#2
Natália Galvão Garcia, Moacyr Tadeu Vicente Rodrigues, Rodrigo Queiroz Aleixo, Denise Tostes Oliveira
Non-Hodgkin lymphoma is the second most common neoplasm of the head and neck after squamous cell carcinoma. However, it accounts for only 3.5% of all malignancies of the oral cavity. Oral lesions are often a component of disseminated disease process that may involve regional lymph nodes or may at times represent the primary extra nodal form of the disease. Although, isolated oral lymphoma in adults is extremely rare, this paper presents a patient with Burkitt lymphoma in an adult male with atypical clinical presentation primarily involving the oral soft tissue...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28327058/extending-energy-optimization-in-goal-directed-aiming-from-movement-kinematics-to-joint-angles
#3
James J Burkitt, Raoul M Bongers, Digby Elliott, Steve Hansen, James L Lyons
Energy optimization in goal-directed aiming has been demonstrated as an undershoot bias in primary movement endpoint locations, especially in conditions where corrections to target overshoots must be made against gravity. Two-component models of upper limb movement have not yet considered how joint angles are organized to deal with the energy constraints associated with moving the upper limb in goal-directed aiming tasks. To address this limitation, participants performed aiming movements to targets in the up and down directions with the index finger and two types of rod extensions attached to the index finger...
March 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28321641/transformed-follicular-lymphoma-tfl-consolidation-therapy-may-improve-survival
#4
E Elhassadi, R Flavin, P Browne, E Conneally, P Hayden, F Quinn, E Higgins, E Vandenberghe
PURPOSE: Retrospective study to evaluate the outcome of patients with transformed follicular lymphoma (tFL) treated with rituximab-containing chemotherapy and consolidation. PATIENTS AND METHODS: Patients diagnosed with tFL from 2003 to 2013 treated with consolidation therapy with last follow-up in December 2015 were identified from the institutional lymphoma database and included in this study. Data collected included age, gender, stage, interval to tFL diagnosis, R-IPI score, histological diagnosis and therapy...
March 21, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28321348/spontaneous-remission-of-an-untreated-myc-and-bcl2-coexpressing-high-grade-b-cell-lymphoma-a-case-report-and-literature-review
#5
D Alan Potts, Jonathan R Fromm, Ajay K Gopal, Ryan D Cassaday
Non-Hodgkin lymphomas (NHL) are a heterogeneous group of hematologic malignancies typically treated with multiagent chemotherapy. Rarely, spontaneous remissions can be observed, particularly in more indolent subtypes. The prognosis of aggressive NHL can be predicted using clinical and histopathologic factors. In aggressive B-cell NHL, the importance of MYC and BCL2 proto-oncogene coexpression (as assessed by immunohistochemistry) and high-grade histologic features are particularly noteworthy. We report a unique case of spontaneous remission in a patient with an aggressive B-cell NHL which harbored high-risk histopathologic features, including MYC protein expression at 70-80%, BCL2 protein expression, and morphologic features suggestive of high-grade B-cell lymphoma, NOS (formerly B-cell lymphoma unclassifiable with features intermediate between diffuse large B-cell lymphoma and Burkitt lymphoma [BCLU])...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28320389/age-and-geographic-patterns-of-plasmodium-falciparum-malaria-infection-in-a-representative-sample-of-children-living-in-burkitt-lymphoma-endemic-areas-of-northern-uganda
#6
Marlena Maziarz, Tobias Kinyera, Isaac Otim, Paul Kagwa, Hadijah Nabalende, Ismail D Legason, Martin D Ogwang, Samuel Kirimunda, Benjamin Emmanuel, Steven J Reynolds, Patrick Kerchan, Moses M Joloba, Andrew W Bergen, Kishor Bhatia, Ambrose O Talisuna, Robert J Biggar, James J Goedert, Ruth M Pfeiffer, Sam M Mbulaiteye
BACKGROUND: Falciparum malaria is an important risk factor for African Burkitt lymphoma (BL), but few studies have evaluated malaria patterns in healthy BL-age children in populations where both diseases are endemic. To obtain accurate current data, patterns of asymptomatic malaria were investigated in northern Uganda, where BL is endemic. METHODS: Between 2011 and 2015, 1150 apparently healthy children under 15 years old were sampled from 100 villages in northern Uganda using a stratified, multi-stage, cluster survey design...
March 20, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28298901/unveiling-another-missing-piece-in-ebv-driven-lymphomagenesis-ebv-encoded-micrornas-expression-in-eber-negative-burkitt-lymphoma-cases
#7
Lucia Mundo, Maria R Ambrosio, Matteo Picciolini, Giuseppe Lo Bello, Sara Gazaneo, Leonardo Del Porro, Stefano Lazzi, Mohsen Navari, Noel Onyango, Massimo Granai, Cristiana Bellan, Giulia De Falco, Davide Gibellini, Pier P Piccaluga, Lorenzo Leoncini
Epstein-Barr virus (EBV) is a gammaherpesvirus linked to a number of lymphoid and epithelial malignancies, including Burkitt lymphoma (BL) in which its frequency ranges from 30% in sporadic cases to 100% in the endemic ones. The possible contribution of EBV to BL pathogenesis is largely unknown. It has been suggested that EBV may be associated with all of the cases, including those diagnosed as EBV negative by a mechanism of hit-and-run. Early during oncogenesis, viral genes are essential for initiating disease...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28297626/clinical-applications-of-the-genomic-landscape-of-aggressive-non-hodgkin-lymphoma
#8
Andrea B Moffitt, Sandeep S Dave
In this review, we examine the genomic landscapes of lymphomas that arise from B, T, and natural killer cells. Lymphomas represent a striking spectrum of clinical behaviors. Although some lymphomas are curable with standard therapy, the majority of the affected patients succumb to their disease. Here, the genetic underpinnings of these heterogeneous entities are reviewed. We consider B-cell lymphomas, including Burkitt lymphoma, diffuse large B-cell lymphoma, Hodgkin lymphoma, and primary mediastinal B-cell lymphoma...
March 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28289390/hexane-extracts-of-calophyllum-brasiliense-inhibit-the-development-of-gastric-preneoplasia-in-helicobacter-felis-infected-ins-gas-mice
#9
Larissa M S Lemos, Fabio Miyajima, Geovane R C Castilho, Domingos Tabajara O Martins, D Mark Pritchard, Michael D Burkitt
Objectives: Indigenous Latin American populations have used extracts from Calophyllum brasiliense, a native hardwood, to treat gastrointestinal symptoms for generations. The hexane extract of Calophyllum brasiliense stem bark (HECb) protects against ethanol-mediated gastric ulceration in Swiss-Webster mice. We investigated whether HECb inhibits the development of gastric epithelial pathology following Helicobacter felis infection of INS-Gas mice. Materials and Methods: Groups of five male, 6-week-old INS-Gas mice were colonized with H...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28288039/lmo2-negative-expression-predicts-the-presence-of-myc-translocations-in-aggressive-b-cell-lymphomas
#10
Luis Colomo, Ivonne Vazquez, Natalia Papaleo, Blanca Espinet, Anna Ferrer, Catalina Franco, Laura Comerma, Silvia Hernandez, Xavier Calvo, Antonio Salar, Fina Climent, José Luis Mate, Pilar Forcada, Anna Mozos, Lara Nonell, Antonio Martinez, Anna Carrio, Dolors Costa, Ivan Dlouhy, Itziar Salaverria, Jose Ignacio Martin-Subero, Armando Lopez-Guillermo, Alexandra Valera, Elias Campo
MYC translocation is a defining feature of Burkitt lymphoma (BL), and the new category of high-grade B-cell lymphomas with MYC and BCL2 and/or BCL6 translocations, and occurs in 6% to 15% of diffuse large B-cell lymphomas (DLBCLs). The low incidence of MYC translocations in DLBCL makes the genetic study of all these lymphomas cumbersome. Strategies based on an initial immunophenotypic screening to select cases with a high probability of carrying the translocation may be useful. LMO2 is a germinal center marker expressed in most lymphomas originated in these cells...
March 10, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28280994/detection-of-myd88-l265p-and-whim-like-cxcr4-mutation-in-patients-with-igm-monoclonal-gammopathy-related-disease
#11
Xin-Xin Cao, Qi Meng, Hao Cai, Tian-Hua He, Cong-Li Zhang, Wei Su, Jian Sun, Yue Li, Wei Xu, Dao-Bin Zhou, Jian Li
A broad spectrum of diseases are associated with IgM monoclonal gammopathy, including Waldenstrom macroglobulinemia (WM), various types of B cell non-Hodgkin's lymphoma (NHL), multiple myeloma (MM), primary amyloidosis (AL), and monoclonal gammopathy of undetermined significance (MGUS); these are called IgM monoclonal gammopathy related diseases (IgM-RD). We investigated MYD88 L265P and WHIM-like CXCR4 mutations in various IgM-RD. Patients with serum immunofixation electrophoresis confirmed IgM monoclonal gammopathy who had enough material for DNA extraction and presented between January 2008 and October 2016 at Peking Union Medical College Hospital were enrolled in this cohort...
March 9, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28280326/lymph-cancer-chemotherapy-delivery-of-doxorubicin-gemcitabine-prodrug-and-vincristine-by-nanostructured-lipid-carriers
#12
Shuqin Ni, Lei Qiu, Guodong Zhang, Haiyan Zhou, Yong Han
PURPOSE: Radiation and chemotherapy are the most common course of treatment for B-cell lymphoma. Doxorubicin (DOX), gemcitabine (GEM), and vincristine (VCR) are the commonly used antilymphoma chemotherapeutic drugs. The aim of this study is to construct a novel drug delivery system for the combination delivery of the three drugs on lymphoma. MATERIALS AND METHODS: DOX-GEM prodrug was synthesized. Novel nanostructured lipid carriers (NLCs) containing DOX-GEM prodrug and VCR were prepared and used to treat B-cell lymphoma through in vivo treatment to a lymph cancer animal model...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28279203/primary-burkitt-lymphoma-of-the-supraglottic-larynx-a-case-report-and-review-of-the-literature
#13
Alexandra E Quimby, Lisa Caulley, Danielle Rodin, Bibianna Purgina, Libni Eapen, Luke Shier, Stephanie Johnson-Obaseki
BACKGROUND: Burkitt lymphoma is a high-grade B cell lymphoma which accounts for less than 1% of all adult cases of non-Hodgkin lymphoma. Rare instances of Burkitt lymphoma developing secondary to prior irradiation have been described in the literature. CASE PRESENTATION: We report a case of a 90-year-old white woman with a recent history of irradiation for Hodgkin lymphoma, who presented with primary Burkitt lymphoma of the supraglottic larynx. She underwent emergency awake tracheostomy with biopsy...
March 10, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28279032/-a-clinical-analysis-of-10-cases-with-cardiac-lymphoma
#14
Y H Li, C Y Shi, F Q Duan, Y Pang, H B Li, L Q Zhang, Z H Liu, L Ouyang, C Y Yue, M C Xie, Z J Jiang, Y Xiao
Objective: To analyze the morbidity, clinical characteristics, therapeutic outcomes and prognosis of cardiac lymphoma. Methods: Individual patient data were obtained from pathology defined 10 cases of cardiac lymphoma from Jan 2000 to Jun 2016. The patient's general information, clinical manifestation, pathological diagnosis, laboratory examination, cardiac involvement feature, cardiac complications, treatment, therapeutic effect and prognosis were analyzed. Results: Of 3 918 cases of lymphoma patients, 10 cases of cardiac involvement were identified, including primary cardiac lymphoma (PCL) in 1 case, secondary cardiac lymphoma (SCL) in 9 cases...
February 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28278714/cucurbitacin-b-synergistically-enhances-the-apoptosis-inducing-effect-of-arsenic-trioxide-by-inhibiting-stat3-phosphorylation-in-lymphoma-ramos-cells
#15
Xiuli Ding, Jiadong Chi, Xue Yang, Jian Hao, Chang Liu, Cuihong Zhu, Xiaodong Wang, Xiaohui Liu, Yangyang Niu, Wei Ji, Dan Chen, Xiongzhi Wu
Arsenic trioxide (ATO) is a classic apoptosis-inducing agent used to treat acute promyelocytic leukemia. However, the therapeutic effect of ATO is limited in lymphoma, which resists apoptosis possibly due to inappropriate activation of STAT3. Therefore, combination of ATO and STAT3 inhibitor may be a potential strategy to treat lymphoma. Dramatically, Cucurbitacin B (CuB), an effective component of the dichloromethane extraction from Trichosanthes kirilowii Maxim, synergistically eliminated the apoptosis resistance of Burkitt's lymphoma Ramos cells to ATO by inhibiting the phosphorylation of STAT3, followed in turn by downregulation of Bcl-2 and upregulation of Bax...
February 20, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28273979/burkitt-s-lymphoma-in-hiv-positive-child-diagnostic-ascitic-fluid-cytology
#16
Zeba Choudhary, Prajwala Gupta, Madhumitha Udaya Kumar
No abstract text is available yet for this article.
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28271981/understanding-epstein-barr-virus-life-cycle-with-proteomics-a-temporal-analysis-of-ubiquitination-during-virus-reactivation
#17
Dong-Wen Lv, Jun Zhong, Kun Zhang, Akhilesh Pandey, Renfeng Li
Epstein-Barr virus (EBV) is a human γ-herpesvirus associated with cancer, including Burkitt lymphoma, nasopharyngeal, and gastric carcinoma. EBV reactivation in latently infected B cells is essential for persistent infection whereby B cell receptor (BCR) activation is a physiologically relevant stimulus. Yet, a global view of BCR activation-regulated protein ubiquitination is lacking when EBV is actively replicating. We report here, for the first time, the long-term effects of IgG cross-linking-regulated protein ubiquitination and offer a basis for dissecting the cellular environment during the course of EBV lytic replication...
January 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28269490/a-computational-model-of-orientation-dependent-activation-of-retinal-ganglion-cells
#18
Timothy Esler, Anthony N Burkitt, David B Grayden, Robert R Kerr, Bahman Tahayori, Hamish Meffin
Currently, a challenge in electrical stimulation for epiretinal prostheses is the avoidance of stimulation of axons of passage in the nerve fiber layer that originate from distant regions of the ganglion cell layer. A computational model of extracellular stimulation that captures the effect of neurite orientation in anisotropic tissue is developed using a modified version of the standard volume conductor model, known as the cellular composite model, embedded in a four layer model of the retina. Simulations are conducted to investigate the interaction of neural tissue orientation, electrode placement, and stimulation pulse duration and amplitude...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269267/feasibility-of-a-chronic-minimally-invasive-endovascular-neural-interface
#19
Nicholas L Opie, Gil S Rind, Sam E John, Stephen M Ronayne, David B Grayden, Anthony N Burkitt, Clive N May, Terence J O'Brien, Thomas J Oxley
Development of a neural interface that can be implanted without risky, open brain surgery will increase the safety and viability of chronic neural recording arrays. We have developed a minimally invasive surgical procedure and an endovascular electrode-array that can be delivered to overlie the cortex through blood vessels. Here, we describe feasibility of the endovascular interface through electrode viability, recording potential and safety. Electrochemical impedance spectroscopy demonstrated that electrode impedance was stable over 91 days and low frequency phase could be used to infer electrode incorporation into the vessel wall...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268254/plasma-epstein-barr-virus-dna-for-pediatric-burkitt-lymphoma-diagnosis-prognosis-and-response-assessment-in-malawi
#20
Katherine D Westmoreland, Nathan D Montgomery, Christopher C Stanley, Nader Kim El-Mallawany, Peter Wasswa, Toon van der Gronde, Idah Mtete, Mercy Butia, Salama Itimu, Mary Chasela, Mary Mtunda, Coxcilly Kampani, N George Liomba, Tamiwe Tomoka, Bal M Dhungel, Marcia K Sanders, Robert Krysiak, Peter Kazembe, Dirk P Dittmer, Yuri Fedoriw, Satish Gopal
Point-of-care tools are needed in sub-Saharan Africa (SSA) to improve pediatric Burkitt lymphoma (BL) diagnosis and treatment. We evaluated plasma Epstein-Barr virus (pEBV) DNA as a pediatric BL biomarker in Malawi. Prospectively enrolled children with BL were compared to classical Hodgkin lymphoma (cHL) and non-lymphoma diagnoses. Pediatric BL patients received standardized chemotherapy and supportive care. pEBV DNA was measured at baseline, mid-treatment, and treatment completion. Of 121 assessed children, pEBV DNA was detected in 76/88 (86%) with BL, 16/17 (94%) with cHL, and 2/16 (12%) with non-lymphoma, with proportions higher in BL versus non-lymphoma (p<0...
March 7, 2017: International Journal of Cancer. Journal International du Cancer
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