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B-cell lymphoma

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https://www.readbyqxmd.com/read/28340172/repositioning-disulfiram-as-a-radiosensitizer-against-atypical-teratoid-rhabdoid-tumor
#1
Young Eun Lee, Seung Ah Choi, Pil Ae Kwack, Hak Jae Kim, Il Han Kim, Kyu-Chang Wang, Ji Hoon Phi, Ji Yeoun Lee, Sangjoon Chong, Sung-Hye Park, Kyung Duk Park, Do Won Hwang, Kyeung Min Joo, Seung-Ki Kim
Background.: Atypical teratoid/rhabdoid tumor (AT/RT) is one of the most common malignant brain tumors in infants. Although cancer stem cells of AT/RT express aldehyde dehydrogenase (ALDH), effective chemotherapies against AT/RT have not been established. Here, we examined radiosensitizing effects of disulfiram (DSF), an irreversible inhibitor of ALDH against AT/RT for a novel therapeutic method. Methods.: Patient-derived primary cultured AT/RT cells (SNU.AT/RT-5 and SNU...
March 17, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28335496/quantitative-analysis-of-the-kshv-transcriptome-following-primary-infection-of-blood-and-lymphatic-endothelial-cells
#2
A Gregory Bruce, Serge Barcy, Terri DiMaio, Emilia Gan, H Jacques Garrigues, Michael Lagunoff, Timothy M Rose
The transcriptome of the Kaposi's sarcoma-associated herpesvirus (KSHV/HHV8) after primary latent infection of human blood (BEC), lymphatic (LEC) and immortalized (TIME) endothelial cells was analyzed using RNAseq, and compared to long-term latency in BCBL-1 lymphoma cells. Naturally expressed transcripts were obtained without artificial induction, and a comprehensive annotation of the KSHV genome was determined. A set of unique coding sequence (UCDS) features and a process to resolve overlapping transcripts were developed to accurately quantitate transcript levels from specific promoters...
March 19, 2017: Pathogens
https://www.readbyqxmd.com/read/28334700/single-agent-pixantrone-as-a-bridge-to-autologous-stem-cell-transplantation-in-a-patient-with-refractory-diffuse-large-b-cell-lymphoma
#3
Lorena Appio, Carlo Landoni, Maria La Targia, Vanda Bertolli, Martina Chiarucci, Giovanni Crovetti, Elisabetta Vassenna, Giovanni Serio, Marco Bregni
Aggressive non-Hodgkin lymphoma is associated with poor long-term survival after relapse or resistance to chemotherapy. We report a case of aggressive non-Hodgkin lymphoma refractory to first-line R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone) and second-line R-DHAP (rituximab, dexamethasone, cytarabine, and cisplatin) chemotherapy treatments. The patient achieved remission with single-agent pixantrone, and received a consolidation with high-dose BEAM (BCNU, etoposide, cytarabine, and melphalan) chemotherapy and autologous stem cell transplantation...
March 24, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28334025/hla-expression-and-hla-type-associations-in-relation-to-ebv-status-in-hispanic-hodgkin-lymphoma-patients
#4
Luke B Fletcher, Rianne N Veenstra, Eric Y Loo, Amie E Hwang, Imran N Siddiqi, Lydia Visser, Bouke G Hepkema, Ilja M Nolte, Anke van den Berg, Wendy Cozen, Arjan Diepstra
A proportion of classical Hodgkin lymphomas harbor the Epstein Barr virus (EBV). We previously demonstrated that associations between Human Leukocyte Antigen (HLA) alleles and susceptibility to EBV+ classical Hodgkin lymphoma differ between European and Chinese populations. Data on Hispanic populations is missing. Here we examined the association between HLA type, tumor cell HLA expression and other characteristics in Hispanic Hodgkin lymphoma patients. Hispanic Hodgkin lymphoma patients diagnosed at the Los Angeles County-University of Southern California Medical Center from 2000-2012 were included (n = 65)...
2017: PloS One
https://www.readbyqxmd.com/read/28333095/cytosolic-bnip3-dimer-interacts-with-mitochondrial-bax-forming-heterodimers-in-the-mitochondrial-outer-membrane-under-basal-conditions
#5
Ulrike B Hendgen-Cotta, Sonja Esfeld, Katharina Rudi, Ilkka Miinalainen, Johann P Klare, Tienush Rassaf
The primary function of mitochondria is energy production, a task of particular importance especially for cells with a high energy demand like cardiomyocytes. The B-cell lymphoma (BCL-2) family member BCL-2 adenovirus E1B 19 kDa-interacting protein 3 (BNIP3) is linked to mitochondrial targeting after homodimerization, where it functions in inner membrane depolarization and permeabilization of the mitochondrial outer membrane (MOM) mediating cell death. We investigated the basal distribution of cardiac BNIP3 in vivo and its physical interaction with the pro-death protein BCL2 associated X, apoptosis regulator (BAX) and with mitochondria using immunoblot analysis, co-immunoprecipitation, and continuous wave and pulsed electron paramagnetic resonance spectroscopy techniques...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28332891/the-positive-effect-of-deferasirox-on-erythropoiesis-in-a-patient-with-a-dual-diagnosis-of-myelofibrosis-and-diffuse-large-b-cell-lymphoma
#6
Louise Kostos, Khai Li Chai, Constantine S Tam, Ali Bazargan
No abstract text is available yet for this article.
March 23, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28332735/non-hodgkin-lymphoma-in-south-east-asia-an-analysis-of-the-histopathology-clinical-features-and-survival-from-thailand
#7
Tanin Intragumtornchai, Udomsak Bunworasate, Kitsada Wudhikarn, Arnuparp Lekhakula, Jakrawadi Julamanee, Kanchana Chansung, Chittima Sirijerachai, Lalita Norasetthada, Weerasak Nawarawong, Archrob Khuhapinant, Noppadol Siritanaratanakul, Tontanai Numbenjapon, Kannadit Prayongratana, Suporn Chuncharunee, Pimjai Niparuck, Tawatchai Suwanban, Nongluk Kanitsap, Somchai Wongkhantee, Rutchanid Pornvipavee, Peerapon Wong, Nisa Makruasi, Pongsak Wannakrairot, Thamathorn Assanasen, Sanya Sukpanichnant, Paisarn Boonsakan, Wasana Kanoksil, Charin Ya-In, Kanita Kayasut, Winyu Mitranun, Naree Warnnissorn
Systemic reports on the descriptive epidemiology of non-Hodgkin lymphoma (NHL) from Southeast Asia are scarce. A nationwide multi-institutional registry was conducted to compare the histopathology, clinical features, and survival of Thai adult patients with NHL using large registries, especially those from Far East Asia (FEA). Using a web-based registry system, 13 major medical centers from the 4 geographic regions of Thailand prospectively collected, from 2007 to 2014, the diagnostic pathology, according to the World Health Organization classification, 2008, clinical features and survival of 4056 patients who were newly diagnosed with NHL...
March 23, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28331364/silicone-induced-granuloma-of-breast-implant-capsule-sigbic-similarities-and-differences-with-anaplastic-large-cell-lymphoma-alcl-and-their-differential-diagnosis
#8
REVIEW
Eduardo de Faria Castro Fleury, Milena Morais Rêgo, Luciana Costa Ramalho, Veronica Jorge Ayres, Rodrigo Oliveira Seleti, Carlos Alberto Pecci Ferreira, Decio Roveda
Primary breast lymphoma is a rare disease and accounts for 0.5% of cases of breast cancer. Most primary breast lymphomas develop from B cells, and the involvement of T cells is rare. Anaplastic large cell lymphoma (ALCL) is a recently discovered T-cell lymphoma associated with breast implants. Only a few cases have been reported to date. It is believed that the incidence of ALCL is increasing because of the increasing number of breast implants. The clinical presentation is variable and can manifest as a palpable mass in the breast or armpit, breast pain, or capsular contracture...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28331288/development-of-venetoclax-for-therapy-of-lymphoid-malignancies
#9
REVIEW
Huayuan Zhu, Alexandru Almasan
B-cell lymphoma-2 (BCL-2) family dysfunction and impairment of apoptosis are common in most B-cell lymphoid malignancies. Venetoclax (Venclexta™, formerly ABT-199, GDC-0199) is a highly selective BCL-2 inhibitor, which mimics its BCL-2 homology 3-domain to induce apoptosis. It was approved for treatment of previously treated chronic lymphocytic leukemia (CLL) patients with 17p deletion early in 2016. It has also been in clinical trials for other B-cell lymphoid malignancies. Unlike the other recently approved targeted agents idelalisib and ibrutinib, so far there has been no relapse reported in some patients...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28331132/orbital-malt-lymphoma-after-autologous-stem-cell-transplantation-for-follicular-lymphoma-as-relapse-of-diffuse-large-b-cell-lymphoma
#10
Toshihiko Matsuo, Takehiro Tanaka, Nobuharu Fujii
We report a patient who developed orbital MALT lymphoma after autologous peripheral blood stem cell transplantation for follicular lymphoma as relapse of diffuse large B-cell lymphoma. A 54-year-old woman with systemic lymphadenopathy was diagnosed with diffuse large B-cell lymphoma by left supraclavicular lymph node biopsy, and underwent 6 courses of R-CHOP chemotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisolone, leading to complete response. Five years later in the follow-up, an abdominal mass with abnormal uptake was found by whole-body 2-[(18)F]fluoro-2-deoxy-D-glucose positron emission tomography, and computed tomography-guided biopsy demonstrated follicular lymphoma...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28331128/tet2-mutation-in-diffuse-large-b-cell-lymphoma
#11
Yoko Kubuki, Takumi Yamaji, Tomonori Hidaka, Takuro Kameda, Kotaro Shide, Masaaki Sekine, Ayako Kamiunten, Keiichi Akizuki, Haruko Shimoda, Yuuki Tahira, Kenichi Nakamura, Hiroo Abe, Tadashi Miike, Hisayoshi Iwakiri, Yoshihiro Tahara, Mitsue Sueta, Shojiro Yamamoto, Satoru Hasuike, Kenji Nagata, Akira Kitanaka, Kazuya Shimoda
Ten-eleven translocation-2 (TET2) mutation is frequently observed in myeloid malignancies, and loss-of-function of TET2 is essential for the initiation of malignant hematopoiesis. TET2 mutation presents across disease entities and was reported in lymphoid malignancies. We investigated TET2 mutations in 27 diffuse large B-cell lymphoma (DLBCL) patients and found a frameshift mutation in 1 case (3.7%). TET2 mutation occurred in some populations of DLBCL patients and was likely involved in the pathogenesis of their malignancies...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28329684/cis-regulatory-circuits-regulating-nek6-kinase-overexpression-in-transformed-b-cells-are-super-enhancer-independent
#12
Yue Huang, Olivia I Koues, Jiang-Yang Zhao, Regina Liu, Sarah C Pyfrom, Jacqueline E Payton, Eugene M Oltz
Alterations in distal regulatory elements that control gene expression underlie many diseases, including cancer. Epigenomic analyses of normal and diseased cells have produced correlative predictions for connections between dysregulated enhancers and target genes involved in pathogenesis. However, with few exceptions, these predicted cis-regulatory circuits remain untested. Here, we dissect cis-regulatory circuits that lead to overexpression of NEK6, a mitosis-associated kinase, in human B cell lymphoma. We find that only a minor subset of predicted enhancers is required for NEK6 expression...
March 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28329572/asymptomatic-and-infiltrated-plaque-on-the-left-cheek
#13
Ricardo Ruiz-Villaverde, Daniel Sánchez-Cano, Ana Belén Rodrigo-Sánchez, José Aneiros-Fernández
Centrofollicular B Cell lymphomas constitute 25% of non-Hodgkin lymphomas that originate in the skin. They are the second in frequency of those lymphomas with extranodal location after gastrointestinal B lymphomas. The primary cutaneous centrofollicular lymphoma is characterized by the neoplastic proliferation of centrocytes and centroblasts confined to the skin. The prognosis is considered excellent with low probability of extracutaneous dissemination. We present a patient recently diagnosed in our unit with a good response to radiotherapy and complete resolution of the tumor with mild atrophy of the site...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329553/primary-cutaneous-marginal-zone-lymphoma
#14
Joshua Farhadian, Vtaly Terushkin, Shane A Meehan, Jo-Ann Latkowski
Primary cutaneous B cell lymphomas (PCBCL) are thesecond most common type of primary cutaneouslymphoma. The three main types of PCBCL areprimary cutaneous marginal-zone lymphoma(PCMZL), primary cutaneous follicle-centerlymphoma, and primary cutaneous diffuse largeB-cell lymphoma, leg type. PCMZL has an indolentcourse with a five-year survival rate approaching99%. Lesions most often present on the trunk or armas erythematous-to-violaceous papules, plaques, ornodules. Approximately one-half of patients havesolitary skin lesions...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28327958/risk-factors-and-a-prognostic-score-for-survival-after-autologous-stem-cell-transplantation-for-relapsed-or-refractory-hodgkin-lymphoma
#15
P J Bröckelmann, H Müller, O Casasnovas, M Hutchings, B von Tresckow, M Jürgens, S J McCall, F Morschhauser, M Fuchs, P Borchmann, C H Moskowitz, A Engert
BACKGROUND: Novel agents are changing the treatment of relapsed or refractory Hodgkin lymphoma (HL). Nevertheless, high-dose chemotherapy and autologous stem-cell transplantation (ASCT) are considered standard of care in eligible patients. To identify patients who could benefit most from novel therapeutic approaches, we investigated a comprehensive set of risk factors for survival after ASCT. METHODS: In this multinational prognostic multivariable modeling study, 23 potential risk factors (RF) were retrospectively evaluated in HL patients from nine prospective trials with multivariable Cox proportional hazards regression analyses (part I)...
March 8, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327945/enhancing-knowledge-discovery-from-cancer-genomics-data-with-galaxy
#16
Marco A Albuquerque, Bruno M Grande, Elie J Ritch, Prasath Pararajalingam, Selin Jessa, Martin Krzywinski, Jasleen K Grewal, Sohrab P Shah, Paul C Boutros, Ryan D Morin
The field of cancer genomics has demonstrated the power of massively parallel sequencing techniques to inform on the genes and specific alterations that drive tumor onset and progression. Although large comprehensive sequence data sets continue to be made increasingly available, data analysis remains an ongoing challenge, particularly for laboratories lacking dedicated resources and bioinformatics expertise. To address this, we have produced a collection of Galaxy tools that represent many popular algorithms for detecting somatic genetic alterations from cancer genome and exome data...
March 9, 2017: GigaScience
https://www.readbyqxmd.com/read/28327893/bcl2-expression-but-not-myc-and-bcl2-coexpression-predicts-survival-in-elderly-patients-with-diffuse-large-b-cell-lymphoma-independently-of-cell-of-origin-in-the-phase-3-lnh03-6b-trial
#17
T Petrella, C Copie-Bergman, J Brière, R Delarue, F Jardin, P Ruminy, C Thieblemont, M Figeac, D Canioni, P Feugier, B Fabiani, K Leroy, M Parrens, M André, C Haioun, G A Salles, P Gaulard, H Tilly, J P Jais, T J Molina
Background: Our aim was to evaluate whether the cell of origin (COO) as defined by the Hans algorithm and MYC/BCL2 coexpression, which are the two main biological risk factors in elderly patients treated with rituximab, cyclophosphamide, doxorubicin hydrochloride, vincristine, and prednisolone (R-CHOP), maintain their prognostic value in a large prospective clinical trial. Patients and Methods: We evaluated 285 paraffin-embedded samples from patients (60-80 years of age) enrolled in the Lymphoma Study Association (LYSA) trial LNH03-6B who were treated with R-CHOP...
January 24, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28326867/adverse-prognostic-impact-of-vascular-endothelial-growth-factor-gene-polymorphisms-in-patients-with-diffuse-large-b-cell-lymphoma
#18
Kyong-Ah Yoon, Min Kyeong Kim, Hyeon-Seok Eom, Hyewon Lee, Weon Seo Park, Ji Yeon Sohn, Man Jin Kim, Sun-Young Kong
Vascular endothelial growth factor (VEGF) plays an important role in angiogenesis and progression of cancer and its expression was associated with gene polymorphisms. Since the impact of polymorphisms of the VEGF on non-Hodgkin lymphoma prognosis has not been fully elucidated, we investigated 149 diffuse large B-cell lymphoma (DLBCL) patients treated with rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) at the National Cancer Center, Korea. Five polymorphisms were analyzed with clinical characteristics as well as international prognostic index (IPI)...
March 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28325356/primary-cutaneous-spindle-cell-b-cell-lymphoma-a-report-of-three-cases-and-review-of-the-literature
#19
Cynthia M Magro, Shabnam Momtahen
Primary cutaneous spindle cell lymphoma is a rare variant of primary cutaneous B-cell lymphoma (PCBCL). Herein, we present 3 cases of primary cutaneous spindle cell B cell lymphoma, 2 males and one female (age range 66-76years). The patients presented with solitary skin lesions, distributed in the head and neck area and chest. The dominant cell size was in the intermediate to large cell size range. While the main cell type was a spindled one, other cells with a nuclear morphology quite typical for a centroblast were noted and as well careful inspection in the three cases revealed a focal residuum of germinal center-like structures...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28325057/-multiple-organ-resection-for-extensive-lymphoma-in-the-abdominal-cavity
#20
L Hlaváčová, R Vrba, M Gregořík, Č Neoral
Extranodal lymphomas are quite rare, and they usually present as non-Hodgkin lymphomas. The most common localization is the gastrointestinal tract, mainly the stomach - primary gastric lymphoma; histologically, diffuse large B-cell lymphoma (DLBCL) is the most frequent type. The diagnosis is established based on endoscopic examination with biopsy of the tumor. It is an aggressive tumor, highly chemosensitive, which is why primary systemic chemotherapy is indicated in early, as well as late, stages of the disease...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
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