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https://www.readbyqxmd.com/read/28475457/outcomes-of-patients-with-double-hit-lymphoma-who-achieve-first-complete-remission
#1
Daniel J Landsburg, Marissa K Falkiewicz, Joseph Maly, Kristie A Blum, Christina Howlett, Tatyana Feldman, Anthony R Mato, Brian T Hill, Shaoying Li, L Jeffrey Medeiros, Pallawi Torka, Francisco Hernandez-Ilizaliturri, Nishitha M Reddy, Arun Singavi, Timothy S Fenske, Julio C Chavez, Jason B Kaplan, Amir Behdad, Adam M Petrich, Martin A Bast, Julie M Vose, Adam J Olszewski, Cristiana Costa, Frederick Lansigan, James N Gerson, Stefan K Barta, Oscar Calzada, Jonathon B Cohen, Jennifer K Lue, Jennifer E Amengual, Xavier Rivera, Daniel O Persky, David J Peace, Sunita Nathan, Ryan D Cassaday
Purpose Patients with double-hit lymphoma (DHL) rarely achieve long-term survival following disease relapse. Some patients with DHL undergo consolidative autologous stem-cell transplantation (autoSCT) to reduce the risk of relapse, although the benefit of this treatment strategy is unclear. Methods Patients with DHL who achieved first complete remission following completion of front-line therapy with either rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) or intensive front-line therapy, and deemed fit for autoSCT, were included...
May 5, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28398499/outcome-of-elderly-patients-with-diffuse-large-b-cell-lymphoma-treated-with-r-chop-results-from-the-uk-ncri-r-chop14v21-trial-with-combined-analysis-of-molecular-characteristics-with-the-dshnhl-ricover-60-trial
#2
A Kühnl, D Cunningham, N Counsell, E A Hawkes, W Qian, P Smith, N Chadwick, A Lawrie, P Mouncey, A Jack, C Pocock, K M Ardeshna, J Radford, A McMillan, J Davies, D Turner, A Kruger, P Johnson, J Gambell, A Rosenwald, G Ott, H Horn, M Ziepert, M Pfreundschuh, D Linch
BACKGROUND: There is an on-going debate whether 2- or 3-weekly administration of R-CHOP is the preferred first-line treatment for elderly patients with diffuse large B-cell lymphoma (DLBCL). The UK NCRI R-CHOP14v21 randomized phase 3 trial did not demonstrate a difference in outcomes between R-CHOP-14 and R-CHOP-21 in newly diagnosed DLBCL patients aged 19-88 years, but data on elderly patients have not been reported in detail so far. Here, we provide a subgroup analysis of patients ≥60 years treated on the R-CHOP14v21 trial with extended follow-up...
April 7, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28396412/endotoxin-induced-autocrine-atp-signaling-inhibits-neutrophil-chemotaxis-through-enhancing-myosin-light-chain-phosphorylation
#3
Xu Wang, Weiting Qin, Xiaohan Xu, Yuyun Xiong, Yisen Zhang, Huafeng Zhang, Bingwei Sun
Although the neutrophil recruitment cascade during inflammation has been well described, the molecular players that halt neutrophil chemotaxis remain unclear. In this study, we found that lipopolysaccharide (LPS) was a potent stop signal for chemotactic neutrophil migration. Treatment with an antagonist of the ATP receptor (P2X1) in primary human neutrophils or knockout of the P2X1 receptor in neutrophil-like differentiated HL-60 (dHL-60) cells recovered neutrophil chemotaxis. Further observations showed that LPS-induced ATP release through connexin 43 (Cx43) hemichannels was responsible for the activation of the P2X1 receptor and the subsequent calcium influx...
April 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28393091/data-on-cytotoxicity-in-hela-and-su-dhl-4-cells-exposed-to-dpb162-ae-compound
#4
Mart Bittremieux, Katsuhiko Mikoshiba, Geert Bultynck
DPB162-AE is a valuable tool to study store-operated Ca(2+) entry (SOCE), as this compound was developed as a 2-APB analog that inhibits SOCE more potently and more selectively than 2-APB itself. In addition to this, we showed that, in some conditions, DPB162-AE can deplete the endoplasmic reticulum Ca(2+) stores in intact cells, including the cervical carcinoma HeLa cell line and the diffuse large B-cell lymphoma SU-DHL-4 cell line. Here, we present data regarding the toxicity of DPB162-AE in HeLa and SU-DHL-4 cells...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28321092/refractory-double-hit-lymphoma-leukemia-in-childhood-mimicking-b-precursor-acute-lymphoblastic-leukemia-at-initial-presentation
#5
Suguru Uemura, Daiichiro Hasegawa, Takehito Yokoi, Nanako Nino, Teppei Tahara, Akihiro Tamura, Atsuro Saito, Aiko Kozaki, Kenji Kishimoto, Toshiaki Ishida, Keiichiro Kawasaki, Nobuyuki Yamamoto, Takeshi Mori, Noriyuki Nishimura, Yoshiyuki Kosaka
A 10-year-old girl was referred to our hospital with left preauricular adenopathy and gingival swelling. She was diagnosed with B-cell precursor acute lymphoblastic leukemia (BCP-ALL) based on being positive for expressions of CD10, CD19, TdT and HLA-DR. She showed no CD20 expression at the time of diagnosis. Based on the initial diagnosis of BCP-ALL, induction chemotherapy for BCP-ALL was initiated. However, the blasts did not disappear from her peripheral blood. Bone marrow examination on day 33 identified 81...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28269535/experiences-of-a-general-practitioner-in-the-daily-practice-about-digital-health-literacy-the-real-needs
#6
M Traver, I Basagoiti, A Martinez-Millana, C Fernandez-Llatas, V Traver
Digital Health Literacy (DHL) is a key element to promote patient empowerment. This position paper presents the lessons learnt from the daily activities of a General Practitioner interacting with patients. General Practitioners have a main role in each stage on individual digital health literacy process. They are the first meeting point between patients and the medical knowledge; in the search phase, they are who can prescribe and validate health information; in the comprehension phase, they lead to a full understanding; and in the adoption phase, they assist in the own personal application...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227790/experiences-of-a-general-practitioner-in-the-daily-practice-about-digital-health-literacy-the-real-needs
#7
M Traver, I Basagoiti, A Martinez-Millana, C Fernandez-Llatas, V Traver, M Traver, I Basagoiti, A Martinez-Millana, C Fernandez-Llatas, V Traver, M Traver, C Fernandez-Llatas, V Traver, I Basagoiti, A Martinez-Millana
Digital Health Literacy (DHL) is a key element to promote patient empowerment. This position paper presents the lessons learnt from the daily activities of a General Practitioner interacting with patients. General Practitioners have a main role in each stage on individual digital health literacy process. They are the first meeting point between patients and the medical knowledge; in the search phase, they are who can prescribe and validate health information; in the comprehension phase, they lead to a full understanding; and in the adoption phase, they assist in the own personal application...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28194473/tapping-the-genetic-diversity-of-landraces-in-allogamous-crops-with-doubled-haploid-lines-a-case-study-from-european-flint-maize
#8
Juliane Böhm, Wolfgang Schipprack, H Friedrich Utz, Albrecht E Melchinger
Using landraces for broadening the genetic base of elite maize germplasm is hampered by heterogeneity and high genetic load. Production of DH line libraries can help to overcome these problems. Landraces of maize (Zea mays L.) represent a huge reservoir of genetic diversity largely untapped by breeders. Genetic heterogeneity and a high genetic load hamper their use in hybrid breeding. Production of doubled haploid line libraries (DHL) by the in vivo haploid induction method promises to overcome these problems...
May 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28111794/selection-of-broad-spectrum-cephalosporin-resistant-escherichia-coli-in-the-feces-of-healthy-dogs-after-administration-of-first-generation-cephalosporins
#9
Ayako Kimura, Montira Yossapol, Sanae Shibata, Tetsuo Asai
Although antimicrobial products are essential for treating diseases caused by bacteria, antimicrobial treatment selects for antimicrobial-resistant (AMR) bacteria. The aim of this study was to determine the effects of administration of first-generation cephalosporins on development of resistant Escherichia coli in dog feces. The proportions of cephalexin (LEX)-resistant E. coli in fecal samples of three healthy dogs treated i.v. with cefazolin before castration and then orally with LEX for 3 days post-operation (PO) were examined using DHL agar with or without LEX (50 µg/mL)...
January 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28069035/fbw7-regulates-apoptosis-in-activated-b-cell-like-diffuse-large-b-cell-lymphoma-by-targeting-stat3-for-ubiquitylation-and-degradation
#10
Su Yao, Fangping Xu, Yu Chen, Yan Ge, Fen Zhang, Huijie Huang, Li Li, Danyi Lin, Xinlan Luo, Jie Xu, Donglan Luo, Xiaolan Zhu, Yanhui Liu
BACKGROUND: The ubiquitin-ligase Fbw7 acts as a tumor suppressor, targeting lots of proto-oncogenes for proteolysis. However, the exact role of Fbw7 in diffuse large B-cell lymphoma (DLBCL) development remains unclear. METHODS: We evaluated Fbw7 expression in patient samples of DLBCL using immunohistochemical staining. The effect of Fbw7 overexpression on cell viability and apoptosis was investigated using activated B-cell (ABC) like DLBCL cell lines. The mechanism of Fbw7 activity in DLBCL was investigated using immunoprecipitation, ubiquitination, western blot and qualitative analyses...
January 10, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28061782/double-hit-lymphomas-clinical-morphological-immunohistochemical-and-cytogenetic-study-in-a-series-of-brazilian-patients-with-high-grade-non-hodgkin-lymphoma
#11
Cristiano Claudino Oliveira, Helena Maciel-Guerra, Luan Kucko, Eric Jun Hirama, Américo Delgado Brilhante, Francisco Carlos Quevedo, Isabela Werneck da Cunha, Fernando Augusto Soares, Ligia Niero-Melo, Patrícia Pintor Dos Reis, Maria Aparecida Custodio Domingues
BACKGROUND: Double-hit lymphomas (DHL) are rare high-grade neoplasms characterized by two translocations: one involving the gene MYC and another involving genes BCL2 or BCL6, whose diagnosis depends on cytogenetic examination. This research studied DHL and morphological and/or immunophenotypic factors associated with the detection of these translocations in a group of high-grade non-Hodgkin lymphoma cases. METHOD: Clinical and morphological reviews of 120 cases diagnosed with diffuse large B-cell lymphoma and Burkitt lymphoma were conducted...
January 7, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28034071/relapsed-or-refractory-double-expressor-and-double-hit-lymphomas-have-inferior-progression-free-survival-after-autologous-stem-cell-transplantation
#12
Alex F Herrera, Matthew Mei, Lawrence Low, Haesook T Kim, Gabriel K Griffin, Joo Y Song, Reid W Merryman, Victoria Bedell, Christine Pak, Heather Sun, Tanya Paris, Tracey Stiller, Jennifer R Brown, Lihua E Budde, Wing C Chan, Robert Chen, Matthew S Davids, Arnold S Freedman, David C Fisher, Eric D Jacobsen, Caron A Jacobson, Ann S LaCasce, Joyce Murata-Collins, Auayporn P Nademanee, Joycelynne M Palmer, German A Pihan, Raju Pillai, Leslie Popplewell, Tanya Siddiqi, Aliyah R Sohani, Jasmine Zain, Steven T Rosen, Larry W Kwak, David M Weinstock, Stephen J Forman, Dennis D Weisenburger, Young Kim, Scott J Rodig, Amrita Krishnan, Philippe Armand
Purpose Double-hit lymphomas (DHLs) and double-expressor lymphomas (DELs) are subtypes of diffuse large B-cell lymphoma (DLBCL) associated with poor outcomes after standard chemoimmunotherapy. Data are limited regarding outcomes of patients with relapsed or refractory (rel/ref) DEL or DHL who undergo autologous stem-cell transplantation (ASCT). We retrospectively studied the prognostic impact of DEL and DHL status on ASCT outcomes in patients with rel/ref DLBCL. Methods Patients with chemotherapy-sensitive rel/ref DLBCL who underwent ASCT at two institutions and in whom archival tumor material was available were enrolled...
January 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28001444/vitamin-d-receptor-expression-in-plasmablastic-lymphoma-and-myeloma-cells-confers-susceptibility-to-vitamin-d
#13
Duncan M Gascoyne, Linden Lyne, Hayley Spearman, Francesca M Buffa, Elizabeth J Soilleux, Alison H Banham
Plasmablastic B-cell malignancies include plasmablastic lymphoma and subsets of multiple myeloma and diffuse large B-cell lymphomaDLBCL. These diseases can be difficult to diagnose and treat, and they lack well-characterized cell line models. Here, immunophenotyping and FOXP1 expression profiling identified plasmablastic characteristics in DLBCL cell lines HLY-1 and SU-DHL-9, associated with CTNNAL1, HPGD, RORA, IGF1, and/or vitamin D receptor (VDR) transcription. We demonstrated VDR protein expression in primary plasmablastic tumor cells and confirmed in cell lines expression of both VDR and the metabolic enzyme CYP27B1, which catalyzes active vitamin D3 production...
March 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/27913204/the-selective-bcl-2-inhibitor-venetoclax-a-bh3-mimetic-does-not-dysregulate-intracellular-ca-2-signaling
#14
Tamara Vervloessem, Hristina Ivanova, Tomas Luyten, Jan B Parys, Geert Bultynck
Anti-apoptotic B cell-lymphoma-2 (Bcl-2) proteins are emerging as therapeutic targets in a variety of cancers for precision medicines, like the BH3-mimetic drug venetoclax (ABT-199), which antagonizes the hydrophobic cleft of Bcl-2. However, the impact of venetoclax on intracellular Ca(2+) homeostasis and dynamics in cell systems has not been characterized in detail. Here, we show that venetoclax did not affect Ca(2+)-transport systems from the endoplasmic reticulum (ER) in permeabilized cell systems. Venetoclax (1μM) did neither trigger Ca(2+) release by itself nor affect agonist-induced Ca(2+) release in a variety of intact cell models...
November 30, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27888878/the-spectrum-of-double-hit-lymphomas
#15
REVIEW
Jeremy S Abramson
Double-hit lymphomas (DHLs) characterize a unique subset of B-cell non-Hodgkin lymphomas. DHL typically presents in older adults with high-risk clinical features. This entity carries a significantly inferior prognosis compared with typical cases of diffuse large B-cell lymphoma; however, emerging literature can identify discrete clinical features within DHL that are associated with a favorable prognosis. Emerging literature is also demonstrating that intensive upfront treatment strategies may improve outcome...
December 2016: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27888664/ebv-associated-but-hhv8-unrelated-double-hit-effusion-based-lymphoma
#16
Bo-Jung Chen, David Yen-Ting Chen, Chun-Chi Kuo, Shih-Sung Chuang
Effusion-based lymphoma is a rare and unique type of large B-cell lymphoma presenting in effusion without a mass lesion. It shares many clinicopathological features with primary effusion lymphoma (PEL), but is distinct from PEL by the absence of HHV8 association. Double hit lymphoma (DHL) is an aggressive B-cell lymphoma, defined by concurrent rearrangement of MYC and BCL2 or BCL6. DHL often presents as lymphadenopathy or an extranodal mass, but rarely occurs in effusion. Here we report a 61-year-old male with alcoholic cirrhosis presenting as massive ascites and left pleural effusion...
March 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27858214/synthesis-and-biological-evaluation-of-n-3-oxo-3-4-dihydro-2h-benzo-b-1-4-oxazin-7-yl-benzenesulfonamide-derivatives-as-new-bet-bromodomain-inhibitors-for-anti-hematologic-malignancies-activities
#17
Li Liu, Yongxia Zhu, Zhihao Liu, Tinghong Ye, Weiqiong Zuo, Cuiting Peng, Kunjie Xiao, Ningyu Wang, Luoting Yu
The bromodomain and extra-terminal proteins (BETs), in particular BRD4, has been reported to play important roles in cancer, inflammation, obesity, cardiovascular disease, and neurological disorders. In this paper, a series of benzomorpholinone derivatives were synthesized and biologically evaluated as BETs inhibitors. Detailed structure-activity relationship studies led to the discovery of several new potent compounds, of which 15h and 15i displayed [Formula: see text] values of 2.8 and 4.5 [Formula: see text] against BRD4 (D1), respectively, and showed good anti-proliferation activities against four hematologic malignancies cell lines at low-micromolar concentrations, including MV4-11, OCI-LY10, Pfeifer, and Su-DHL-6 cells...
February 2017: Molecular Diversity
https://www.readbyqxmd.com/read/27846451/sar-study-of-5-alkynyl-substituted-quinazolin-4-3h-ones-as-phosphoinositide-3-kinase-delta-pi3k%C3%AE-inhibitors
#18
Manman Wei, Xi Zhang, Xiang Wang, Zilan Song, Jian Ding, Ling-Hua Meng, Ao Zhang
PI3Kδ is a key component in the aberrant signaling transduction in B cell malignancy, therefore specific targeting PI3Kδ has become an attractive molecularly targeted therapy for chronic lymphocytic leukemia (CLL). Herein, we describe the discovery and optimization of a series of 5-alkynyl substituted PI3Kδ inhibitors based on the first FDA-approved inhibitor idelalisib. Compound 8d bearing the 1-morpholinohex-5-yn-1-one moiety as the C5-substituent was identified to have high potency against PI3Kδ (3.82 nM) and SU-DHL-6 cells (7...
January 5, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27825800/dhl-hiszn-a-novel-antioxidant-enhances-adipogenic-differentiation-and-antioxidative-response-in-adipose-derived-stem-cells
#19
Chien-Chih Chen, Li-Wen Hsu, Toshiaki Nakano, Kuang-Tzu Huang, Kuang-Den Chen, Chia-Yun Lai, Shigeru Goto, Chao-Long Chen
Adipose-derived stem cells (ASCs) are multipotent progenitor cells that have the capacity to differentiate into specific mesenchymal cell lineages including adipocytes in response to environmental cues. Dysfunctional adipose tissue, rather than an excess of adipose tissue, has been proposed as a key factor in the pathogenesis of obesity-related diseases. The insulin-sensitizing effects of antidiabetic drugs are mediated by activation of peroxisome proliferator-activated receptor gamma (PPARγ). Here, we investigated the effects of sodium zinc histidine dithiooctanamide (DHL-HisZn), a strong antioxidant, on PPARγ activation, adipocyte differentiation and insulin sensitivity...
December 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27806821/double-hit-lymphoma-arare-subset-of-diffuse-large-b-cell-lymphoma-with-poor-outcome
#20
Sajid Zaman, Jawad A Gillani, Rashid Rasheed
Double-hit lymphoma (DHL) has been identified as a subset of diffuse large B-cell lymphoma with poor clinical outcomes. It is because of genetic translocation of C-myc and Bcl2 gene that make it more aggressive and un-responsive to conventional and salvage treatments. DHLis an extremely rare entity of non-Hodgkin's lymphoma (NHL) having no established incidence data so far. In literature very limited data is available to guide therapeutic decisions and despite aggressive chemotherapy followed by autologus hematopoietic cell transplantation, outcomes still remain poor...
October 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
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