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https://www.readbyqxmd.com/read/28736928/mean-platelet-volume-predicts-prognosis-in-patients-with-diffuse-large-b-cell-lymphoma
#1
Shujuan Zhou, Yongyong Ma, Yifen Shi, Liyuan Tang, Zhouyi Zheng, Fang Fang, Jianhua Feng, Yu Zhang, Lan Sun, Yi Chen, Bin Liang, Songfu Jiang, Zhijian Shen, Kang Yu, Siqian Wang
To determine the prognostic value of baseline mean platelet volume (MPV) in diffuse large B-cell lymphoma (DLBCL) patients. We retrospectively analyzed 161 DLBCL patients who received R-CHOP chemotherapy. The associations between MPV and clinicopathological factors were assessed. A low MPV (MPV ≤ 9.1 fl, cut-off was calculated by receiver operating characteristics) was associated with any other clinicopathological factors. Patients with MPV ≤ 9.1 fl experienced a shorter progression-free survival (PFS) (2-year PFS rate, 60...
July 23, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28735665/prevalence-of-foxp3-cells-does-not-correlate-with-ki67-expression-in-canine-diffuse-large-b-cell-lymphoma
#2
C F Muir, S L Priestnall, A Hibbert, C Brown, O A Garden, T Scase
Diffuse large B-cell lymphoma (DLBCL) is the most common type of canine lymphoma and survival times are currently <1 year. Manipulation of the tumour microenvironment, of which the regulatory T cell (Treg) is a principal player, represents a potentially exciting way to curb the rapid proliferation of neoplastic cells. Tregs, characterized by the stable expression of the transcription factor FoxP3, suppress innate and adaptive arms of the immune response and represent a potential therapeutic target within neoplastic lymph nodes...
July 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28733977/molecular-classification-of-tumor-cells-in-a-patient-with-intravascular-large-b-cell-lymphoma
#3
W M Bauer, M C Aichelburg, J Griss, C Skrabs, I Simonitsch-Klupp, A I Schiefer, H Kittler, U Jäger, M Zeyda, R Knobler, G Stingl
BACKGROUND: Intravascular large B-cell lymphoma (IVLBCL) is a rare type of extranodal large B-cell lymphoma. It is characterized by the proliferation of tumour cells exclusively intraluminally in small blood vessels of different organs. The clinical manifestation depends on the type of organ affected, additionally, a haemophagocytic syndrome can be observed in some patients. OBJECTIVE: Due to the rarity of this lymphoma and in spite of detailed immunohistochemical investigations the exact nosology of this cancer is only incompletely understood...
July 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28733525/ackr3-expression-on-diffuse-large-b-cell-lymphoma-is-required-for-tumor-spreading-and-tissue-infiltration
#4
Viola Puddinu, Sabrina Casella, Egle Radice, Sylvia Thelen, Stefan Dirnhofer, Francesco Bertoni, Marcus Thelen
Diffuse large B cell lymphoma (DLBCL) is the most frequent lymphoma accounting for more than the 30% of the cases. Involvement of extranodal sites, such as bone marrow and central nervous system, is associated with poor prognosis. A contribution of the chemokine system in these processes is assumed as it is known as a critical regulator of the metastatic process in cancer. The atypical chemokine receptor 3 (ACKR3), which does not couple to G-proteins and does not mediate cell migration, acts as a scavenger for CXCL11 and CXCL12, interfering with the tumor homing CXCL12/CXCR4 axis...
June 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28731456/upregulation-of-tet-activity-with-ascorbic-acid-induces-epigenetic-modulation-of-lymphoma-cells
#5
N Shenoy, T Bhagat, E Nieves, M Stenson, J Lawson, G S Choudhary, T Habermann, G Nowakowski, R Singh, X Wu, A Verma, T E Witzig
The Ten Eleven Translocation (TET) enzymes have been found to be mutated in both diffuse large B-cell (DLBCL) and peripheral T-cell (PTCL) lymphomas resulting in DNA hypermethylation. Recent studies in embryonal stem cells showed that ascorbic acid (AA) is a cofactor for TET with a binding site at the catalytic domain, and enhances TET activity. We hypothesized that AA could potentially enhance TET activity in lymphoma cells to cause DNA demethylation, reactivate expression of tumor suppressor genes and enhance chemosensitivity...
July 21, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28731140/integrated-analysis-of-genome%C3%A2-wide-gene-expression-and-dna-methylation-microarray-of-diffuse-large-b%C3%A2-cell-lymphoma-with-tet-mutations
#6
Pengfei Liu, Wenhua Jiang, Jinkun Zhao, Huilai Zhang
Diffuse large B-cell lymphoma (DLBCL), the most frequently occurring type of lymphoid malignancy, has been demonstrated to be associated with mutations of Ten‑Eleven Translocation (TET). In order to explore the association between DLBCL and TET mutations, the present study analyzed the gene expression and methylation profiles in human DLBCL biopsy tissues with wildtype and mutated TET2. The microarray dataset GSE37365, containing two subseries: the genome‑wide gene expression dataset GSE37362 and the DNA methylation microarray dataset GSE37363, was downloaded from the Gene Expression Omnibus database...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28730642/myc-expression-and-translocation-analyses-in-low-grade-and-transformed-follicular-lymphoma
#7
S M Aukema, R van Pel, I Nagel, S Bens, R Siebert, S Rosati, E van den Berg, A G Bosga-Bouwer, R E Kibbelaar, M Hoogendoorn, G W van Imhoff, J C Kluin-Nelemans, P M Kluin, M Nijland
Low grade follicular lymphoma (FL1/2) has an annual risk of transformation of approximately 3% which is associated with aberrations in CDKN2A/B, TP53 and MYC. Like in DLBCL high MYC expression in transformed FL (tFL) might predict a MYC breakpoint. We quantified MYC expression by immunohistochemistry and digital analysis in 41 paired biopsies from 20 patients with FL1/2 with subsequent transformation and in 4 isolated biopsies of tFL. As controls 28 biopsies of FL1/2 without transformation (median follow up 105 months) and 9 FL3A/B were analyzed...
July 21, 2017: Histopathology
https://www.readbyqxmd.com/read/28729720/comparative-gene-expression-profiling-of-the-large-cell-variant-of-gastrointestinal-marginal-zone-b-cell-lymphoma
#8
Thomas F E Barth, Johann M Kraus, Ludwig Lausser, Lucia Flossbach, Lukas Schulte, Karlheinz Holzmann, Hans A Kestler, Peter Möller
Gastrointestinal (g.i.) large cell lymphoma is currently regarded as diffuse large B-cell lymphoma (DLBCL) despite a more favorable clinical outcome compared to other DLBCL. Cluster analyses on a transcriptome signature of NF-κB target genes of 30 g.i. marginal zone B-cell lymphomas (MZBL; 8 g.i. MZBL, 22 large cell MZBL - among them 9 with coexisting small cell component) and 6 DLBCL (3 activated B-cell like (ABC), 3 germinal center-like (GCB)) reveals a distinct pattern. The distinctiveness of large cell MZBL samples is further confirmed by a cohort of 270 available B-cell lymphoma and B-cell in silico profiles...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28725988/interim-18-f-fgd-pet-ct-may-not-predict-the-outcome-in-primary-central-nervous-system-lymphoma-patients-treated-with-sequential-treatment-with-methotrexate-and-cytarabine
#9
Jae-Cheol Jo, Dok Hyun Yoon, Shin Kim, Kyoungmin Lee, Eun Hee Kang, Jung Sun Park, Jin-Sook Ryu, Jooryung Huh, Chan-Sik Park, Jong Hoon Kim, Sang Wook Lee, Cheolwon Suh
(18)F-fluoro-2-dexoy-D-glucose-positron emission tomography (PET)/computed tomography (CT) is a useful imaging technique for monitoring the treatment response in lymphoma cases. We investigated the value of interim brain PET/CT (I-PET/CT) for monitoring the response to intensive methotrexate-based chemotherapy in primary central nervous system lymphoma (PCNSL) patients with diffuse large B cell lymphoma (DLBCL). Of the 76 PCNSL patients treated with intensive methotrexate and cytarabine chemotherapy between September 2006 and December 2012, 66 patients with DLBCL were included in this study...
July 19, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28725161/ep300-single-nucleotide-polymorphism-rs20551-correlates-with-prolonged-overall-survival-in-diffuse-large-b-cell-lymphoma-patients-treated-with-r-chop
#10
Jiao Li, Ning Ding, Xiaogan Wang, Lan Mi, Lingyan Ping, Xuan Jin, Yalu Liu, Zhitao Ying, Yan Xie, Weiping Liu, Yuqin Song, Jun Zhu
BACKGROUND: Rituximab combined with cyclophosphamide, doxorubicin, vincristine and prednisone (CHOP) is used as standard frontline regimen for diffuse large B-cell lymphoma (DLBCL). The landscape of somatic mutations in DLBCL revealed that inactivation of EP300 plays an important role in lymphomagenesis. A common EP300 single nucleotide polymorphism (SNP) rs20551 results in the substitution of valine for isoleucine at codon 997 close to the Bromodomain. However, the association between SNP rs20551 and clinical prognosis in DLBCL patients treated with R-CHOP is unknown...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28719025/frequency-risk-factors-and-outcomes-of-central-nervous-system-relapse-in-lymphoma-patients-treated-with-dose-adjusted-epoch-plus-rituximab
#11
M K Malecek, A M Petrich, S Rozell, B Chu, S Trifilio, N Galanina, M Maurer, U Farooq, B Link, G S Nowakowski, C Nabhan, A O Ayed
Background Central nervous system (CNS) relapse in non-Hodgkin lymphoma (NHL) is a rare but serious complication that carries a poor prognosis. The use of infusional etoposide, prednisone, vincristine, cyclophosphamide, doxorubicin, and rituximab (EPOCH-R) for frontline treatment of diffuse large B cell lymphoma (DLBCL) is increasing, though little is known about incidence of and risk factors for CNS relapse with this regimen Patients and methods We completed a chart review of patients with NHL who received EPOCH-R as front line therapy...
July 18, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28718689/orbital-diffuse-large-b-cell-lymphoma-with-combined-variable-immunodeficiency
#12
Vishal S Parikh, Deepa Jagadeesh, James M Fernandez, Eric D Hsi, Arun D Singh
Common variable immunodeficiency (CVID) is a primary immunodeficiency manifesting as a reduction in the level of total immunoglobulin (Ig) G, a reduction in the level of either IgA or IgM, poor response to polysaccharide vaccine, and usually frequent infections. The association of CVID with an increased risk of malignancy, specifically lymphoma, is well known. A 63-year-old female with a past medical history significant for CVID presented with a 1-month history of dull, left eye pain with proptosis, hypoglobus, and left upper lid fullness without a discrete palpable mass...
July 18, 2017: Orbit
https://www.readbyqxmd.com/read/28717763/burkitt-s-lymphoma-and-b-cell-lymphoma-unclassifiable-with-features-intermediate-between-diffuse-large-b-cell-lymphoma-and-burkitt-s-lymphoma-in-patients-with-hiv-outcomes-in-a-south-african-public-hospital
#13
Gerhard Sissolak, Matthew Seftel, Thomas S Uldrick, Tonya M Esterhuizen, Nooroudien Mohamed, Danie Kotze
PURPOSE: Burkitt's lymphoma (BL) is a common HIV-associated lymphoma in South Africa. B-cell lymphoma unclassifiable with features intermediate between diffuse large B-cell lymphoma and Burkitt's lymphoma (BL/DLBCL) also occurs in HIV infection. Outcomes of HIV-infected patients with BL or BL/DLBCL in a resource-constrained setting are not defined. METHODS: We performed a retrospective study of HIV-positive patients with BL or BL/DLBCL treated from 2004 to 2012 with curative intent at a publically funded academic medical center in South Africa...
June 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28714143/efficacy-and-safety-of-new-direct-antiviral-agents-in-hcv-infected-patients-with-diffuse-large-b-cell-non-hodgkin-lymphoma
#14
Marcello Persico, Andrea Aglitti, Rosa Caruso, Amalia De Renzo, Carmine Selleri, Catello Califano, Ludovico Abenavoli, Alessandro Federico, Mario Masarone
INTRODUCTION: The association of HCV with Non-Hodgkin Lymphoma (NHL) has been demonstrated all over the world. The new interferon-free, direct antiviral agents (DAA), showed high efficacy and safety, and preliminary data seem to confirm their activity on low-grade NHL. The question arises as whether or not -and how- to treat the HCV positive patients suffering from diffuse large B cell lymphomas(DLBCL). Aim of this observational study was to evaluate whether the DAAs antiviral treatment of DLBCL/HCV-infected patients in concomitance with chemotherapy is a safe and effective option...
July 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28713985/microarray-expression-profiles-of-long-non-coding-rnas-in-germinal-center-like-diffuse-large-b-cell-lymphoma
#15
Hong-Yu Gao, Bin Wu, Wei Yan, Zi-Mu Gong, Qi Sun, Hui-Han Wang, Wei Yang
Long non-coding RNAs (lncRNAs) are continuously transcribed and are involved in various cellular activities. However, their contributions to the occurrence and development of germinal center B-cell (GCB)-like diffuse large B-cell lymphoma (DLBCL) remain largely unknown. We applied microarray technology to profile the expression of lncRNAs in two different GCB-DLBCL cell lines (OCI-ly1 and OCI-ly19) and normal B lymphocytes. We demonstrated that 21,539 lncRNAs were expressed in all of the samples analyzed...
July 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28712322/is-now-the-time-for-molecular-driven-therapy-for-diffuse-large-b-cell-lymphoma
#16
Alice Di Rocco, Federico De Angelis, Michela Ansuinelli, Robin Foà, Maurizio Martelli
Recent genetic and molecular discoveries regarding alterations in diffuse large B-cell lymphoma (DLBCL) deeply changed the approach to this lymphoproliferative disorder. Novel additional predictors of outcomes and new therapeutic strategies are being introduced to improve outcomes. Areas covered: This review aims to analyse the recent molecular discoveries in DLBCL, the rationale of novel molecular driven treatments and their impact on DLBCL prognosis, especially in ABC-DLBCL and High Grade B Cell Lymphoma...
July 17, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28707331/epstein-barr-virus-lytic-cycle-involvement-in-diffuse-large-b-cell-lymphoma
#17
Melina Cohen, Aldana Georgina Vistarop, Fuad Huaman, Marina Narbaitz, Fernanda Metrebian, Elena De Matteo, María Victoria Preciado, Paola Andrea Chabay
Epstein-Barr virus (EBV)-mediated B cell transformation is achieved predominantly through the action of latent proteins, but recent evidence suggests that lytic EBV replication has also a certain pathogenic role in lymphomagenesis, at least in the early phases of cell transformation. Particularly, in diffuse large B cell lymphoma (DLBCL), the EBV lytic cycle is by and large unexplored, so to disclose lytic cell contribution to lymphomagenesis, our aim was to evaluate viral early and late lytic gene expression in relation to several immune response markers in a series of EBV+ DLBCL from Argentina...
July 14, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28706431/pancreatic-t-histiocyte-rich-large-b-cell-lymphoma-a-case-report-and-review-of-literature
#18
Shu-Mei Zheng, De-Jiang Zhou, Yi-Hua Chen, Rui Jiang, Yun-Xia Wang, Yong Zhang, Hong-Li Xue, Hai-Qiong Wang, Dong Mou, Wei-Zheng Zeng
Primary pancreatic lymphoma (PPL) is an extremely rare form of extranodal malignant lymphoma. The most common histological subtype of PPL is diffuse large B cell lymphoma (DLBCL). In rare cases, PPL can also present as follicular lymphoma, small lymphocytic lymphoma, and T cell lymphoma either of non-Hodgkin's lymphoma or of Hodgkin's lymphoma. T-cell/histiocyte-rich large B-cell lymphoma (T/HRBCL) is an uncommon morphologic variant of DLBCL with aggressive clinical course, it is predominantly a nodal disease, but extranodal sites such as bone marrow, liver, and spleen can be involved...
June 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28702826/head-and-neck-diffuse-large-b-cell-lymphomas-hn-dlbcl-in-human-immunodeficiency-virus-hiv-positive-patients-long-term-results-in-the-highly-active-antiretroviral-therapy-haart-era
#19
Francesca De Felice, Andrea Di Mino, Lavinia Grapulin, Maria Lusia Mistrulli, Daniela Musio, Vincenzo Tombolini
To report long-term outcomes and toxicity rates after chemotherapy (CHT) followed by radiotherapy (RT) in the highly active antiretroviral therapy (HAART) era in human immunodeficiency virus (HIV) positive patients with head and neck diffuse large B cell lymphomas (HN-DLBCL). Clinical data concerning consecutive HIV patients treated for DLBCL located in head and neck region with CHT and RT were retrospectively reviewed. Systemic treatment consisted of combination CHT agents given with concomitant HAART and regimen was left to oncologists' discretion...
July 12, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28702411/diffuse-large-b-cell-lymphoma-in-elderly-experience-from-a-tertiary-care-oncology-center-in-south-india
#20
K N Lokesh, M C Suresh Babu, K C Lakshmaiah, K Govind Babu, Smitha C Saldanha, D Loknatha, Linu Abraham Jacob, S Vishwanath, C S Premalatha, P R Kiran
INTRODUCTION: Diffuse large B-cell lymphoma (DLBCL) is the most frequent non-Hodgkins lymphoma in the elderly. With the rising proportion of older persons in India, it is important to study current patterns and management of this disease, given that data in this regard are scarce in Indian settings. The aim of this study was to document the clinical features of DLBCL among elderly patients and their outcome over 7 years at a tertiary care oncology center. MATERIALS AND METHODS: This was a retrospective records review of 119 DLBCL cases between January 2007 and January 2015 aged 60 years and above done at Kidwai Memorial Institute of Oncology, Bengaluru, Karnataka, India...
April 2017: South Asian Journal of Cancer
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