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T-cell lymphoma

Sarah Löw, Tracy T Batchelor
Primary central nervous system lymphoma (PCNSL) is an extranodal non-Hodgkin lymphoma limited to the brain, spinal cord, leptomeninges, and eyes. The majority of patients are immunocompetent, with a median age of 65 years at diagnosis. Historically, whole-brain radiation therapy (WBRT) was the first and sole treatment for PCNSL. Today, due to the recognized neurotoxicity of WBRT, this modality is usually avoided in the treatment. Most chemotherapy regimens are based on high-dose methotrexate plus the anti-CD20 monoclonal antibody rituximab, leading to high response rates, but 5-year survival is still poor at approximately 30% compared with other extranodal lymphomas...
February 2018: Seminars in Neurology
Mitsuhiro Akiyama, Tsutomu Takeuchi
IgG4-related disease is a heterogeneous immune-mediated fibroinflammatory condition that can affect every single organ. This disease is more prevalent in the elderly (the mean age of patients is above 60 years) and the prevalence rate is estimated to be over 4.6 per 100,000 population. Before making a diagnosis, the exclusion of malignancies, lymphoma, anti-neutrophil cytoplasmic antibody-associated vasculitis, multicentric Castleman disease, and other mimickers is crucial for appropriate treatment. Broad management guidelines have been published emphasizing the need for prompt treatment and the use of glucocorticoids as first-line drug therapy for induction of remission...
March 15, 2018: Drugs & Aging
Luc V C Brun, Jean Jacques Roux, Ghislain E Sopoh, Julia Aguiar, Miriam Eddyani, Wayne M Meyers, Dirk Stubbe, Marie T Akele Akpo, Françoise Portaels, Bouke C de Jong
Background: Basidiobolomycosis is a rare subcutaneous mycosis, which can be mistaken for several other diseases, such as soft tissue tumors, lymphoma, or Buruli ulcer in the preulcerative stage. Microbiological confirmation by PCR for Basidiobolus ranarum and culture yield the most specific diagnosis, yet they are not widely available in endemic areas and with varying sensitivity. A combination of histopathological findings, namely, granulomatous inflammation with giant cells, septate hyphal fragments, and the Splendore-Hoeppli phenomenon, can confirm basidiobolomycosis in patients presenting with painless, hard induration of soft tissue...
2018: Case Reports in Pathology
Huan-You Wang, Elaine S Jaffe
No abstract text is available yet for this article.
March 15, 2018: Blood
Enrico Maffini, Larry D Anderson, Brenda M Sandmaier, Damian J Green, Barry E Storer, Dietger Niederwieser, Richard T Maziarz, David G Maloney, Rainer Storb
No abstract text is available yet for this article.
March 15, 2018: Haematologica
David Vallois, Aurélie Dupuy, Francois Lemonnier, George Allen, Edoardo Missiaglia, Virginie Fataccioli, Nicolas Ortonne, Aline Clavert, Richard Delarue, Marie-Christine Rousselet, Bettina Fabiani, Francisco Llamas-Gutierrez, Seishi Ogawa, Margot Thome, Young Hyeh Ko, Keisuke Kataoka, Philippe Gaulard, Laurence de Leval
No abstract text is available yet for this article.
March 15, 2018: Haematologica
Luis Malpica, Agustin Pimentel, Isildinha M Reis, Eduardo Gotuzzo, Lazaros Lekakis, Krishna Komanduri, Thomas Harrington, Glen N Barber, Juan C Ramos
Adult T-cell leukemia/lymphoma (ATLL) is a fatal disease caused by human T-cell leukemia virus type 1 (HTLV-1). We retrospectively analyzed 195 patients with ATLL (lymphomatous n = 96, acute n = 80, unfavorable chronic n = 7, chronic n = 5, smoldering n = 3, and unclassified n = 4) diagnosed between 1987 and 2016 (median age 52 years, 77% Afro-Caribbean). Hypercalcemia was associated with acute ATLL (65%, vs 23% lymphomatous) ( P = .012). The median survival for patients treated with modern therapies between 2000 and 2016 was 4...
March 27, 2018: Blood Advances
Hamid Reza Mirzaei, Hossein Pourghadamyari, Majid Rahmati, Abbas Mohammadi, Javid Sadri Nahand, Abbas Rezaei, Hamed Mirzaei, Jamshid Hadjati
Recently clinical trials utilizing genetically engineered T cells expressing a chimeric antigen receptor (CAR) that is half monoclonal antibody and half T-cell receptor have demonstrated remarkable response in patients with advanced cancers like relapsed or refractory acute lymphoblastic leukemia (ALL) and lymphoma. Moreover, emerging chimeric genome editing tools such as zinc-finger nucleases (ZNFs), transcription activator-like effector nucleases (TALENs) and clustered regulatory interspaced short palindromic repeat (CRISPR)/Cas composed of sequence-specific DNA binding module(s) linked to a non-specific DNA cleavage domain have made possible to dramatically expand the ability to manipulate cells aim to treat and/or study a wide range of diseases including cancer...
March 12, 2018: Cancer Letters
Li-Na Zhang, Yongping Song, Delong Liu
The prognosis of adults with relapsed/refractory (R/R) acute lymphoblastic leukemia (ALL) remains dismal even at this day and age. With salvage chemotherapy, only 29% (range 18 to 44%) of the patients with R/R ALL can be induced into complete remission (CR), with a median overall survival (OS) of 4 months (range 2-6 months). Blinatumomab and inotuzumab ozogamycin (IO) are immunotherapeutic agents that increased CR to 80% and extended survival to 7.7 months in this high-risk population of patients. In the last few years, chimeric antigen receptor (CAR)--engineered T cells have led to major progress in cancer immunotherapy...
March 15, 2018: Journal of Hematology & Oncology
Ming Ma, Xingxiao Yang, Lianmei Zhao, Xuexiao Wang, Lihua Liu, Wenjing Jiao, Yuanyuan Wei, Baoen Shan
Celecoxib is a newly-identified nonsteroidal anti-inflammatory drug, which has been used to treat fever in clinical practice. Celecoxib has been demonstrated to suppress the viability of various human tumor cells. However, the effect of celecoxib on response of T-cell lymphoma to chemotherapy agents remains unclear. The aim of the present study was to investigate the effect of celecoxib on chemosensitivity of human T-cell lymphoma, and to address the underlying mechanism of action. The cytotoxicity of CDDP, epirubicin and VCR on Jurkat and Hut-78 cells treated with celecoxib was assessed by MTT assay, and the half-maximal inhibitory concentration (IC50 ) value was calculated by Origin 75 software...
April 2018: Oncology Letters
Lisa M Ebert, Wenbo Yu, Tessa Gargett, Michael P Brown
Chimeric antigen receptor (CAR)-T cell therapy has been clinically validated as a curative treatment for the difficult to treat malignancies of relapsed/refractory B-cell acute lymphoblastic leukaemia and lymphoma. Here, the CAR-T cells are re-directed towards a single antigen, CD19, which is recognised as a virtually ideal CAR target antigen because it has strong, uniform expression on cancer cells, and is otherwise expressed only on healthy B cells, which are 'dispensable'. Notwithstanding the clinical success of CD19-CAR-T cell therapy, its single specificity has driven therapeutic resistance in 30% or more of cases with CD19-negative leukaemic relapses...
March 14, 2018: Biochemical Society Transactions
Alexandra Okihiro, Rachana Hasija, Lillia Fung, Bonnie Cameron, Brian M Feldman, Ronald Laxer, Rayfel Schneider, Earl Silverman, Lynn Spiegel, Rae S M Yeung, Shirley M L Tse
BACKGROUND: Anti-TNF (Tumor necrosis factor) therapy is effective in treating pediatric patients with refractory rheumatic disease. There is however a concern that anti-TNF usage may increase the risk of malignancy. Reports on specific types of malignancy in this patient population have been emerging over the past decade, but there is a need for additional malignancy reports, as these events are rare. Therefore, a retrospective chart review was performed on the biologic database of pediatric rheumatology patients at The Hospital for Sick Children (SickKids) from 1997 to 2013 for neoplasms, patient demographic information and rheumatologic treatment course...
March 14, 2018: Pediatric Rheumatology Online Journal
Dai Chihara, Michelle A Fanale, Roberto N Miranda, Mansoor Noorani, Jason R Westin, Loretta J Nastoupil, Fredrick B Hagemeister, Luis E Fayad, Jorge E Romaguera, Felipe Samaniego, Francesco Turturro, Hun J Lee, Sattva S Neelapu, M Alma Rodriguez, Michael Wang, Nathan H Fowler, Richard E Davis, L Jeffrey Medeiros, Yasuhiro Oki
We performed a retrospective analysis to identify risk factors and survival outcome for central nervous system (CNS) relapse of peripheral T-cell lymphoma (PTCL) by histologic type. Records of 600 PTCL patients diagnosed between 1999 and 2014 were analyzed including PTCL not otherwise specified (PTCL-NOS, 174 patients), angoimmunoblastic T-cell lymphoma (AITL, 144), ALK+anaplastic large cell lymphoma (ALCL, 74), ALK-ALCL (103), extranodal NK-cell lymphoma (ENKL, 54), or others (51). With a median follow up of 57 months, 13 patients (4 PTCL-NOS, 1 AITL, 4 ALK+ALCL, 2 ALK-ALCL, 2 ENKL) experienced CNS relapse...
2018: PloS One
Xiaopeng Tang, Bo Liu, Xiangrong Wang, Qifang Yu, Rejun Fang
The epidermal growth factor (EGF) has been widely used for protection of stress-induced intestinal mucosa dysfunction. However, whether EGF would alleviate oxidative injury and reduce apoptosis in porcine intestine is not yet known. Therefore, the aim of this study was to investigate the effect of EGF on lipopolysaccharides (LPS)-induced induction of oxidative stress and ensuing apoptosis in the porcine intestinal epithelial cell line, IPEC-J2. The present study showed that EGF significantly increased cell viability and decreased the LPS-induced induction of apoptosis, dehydrogenase (LDH) release and malonaldehyde (MDA) production...
March 14, 2018: International Journal of Molecular Sciences
Francesco Ceppi, Julie Rivers, Colleen Annesley, Navin Pinto, Julie R Park, Catherine Lindgren, Stephanie Mgebroff, Naomi Linn, Meghan Delaney, Rebecca A Gardner
BACKGROUND: The first step in the production of chimeric antigen receptor T cells is the collection of autologous T cells using apheresis technology. The procedure is technically challenging, because patients often have low leukocyte counts and are heavily pretreated with multiple lines of chemotherapy, marrow transplantation, and/or radiotherapy. Here, we report our experience of collecting T lymphocytes for chimeric antigen receptor T-cell manufacturing in pediatric and young adult patients with leukemia, non-Hodgkin lymphoma, or neuroblastoma...
March 13, 2018: Transfusion
X L Shi, J L Xie, X G Zhou
Objective: To evaluate the clinicopathological features, diagnosis and management of primary testicular NK/T cell lymphoma (NKTCL). Methods: Six cases of primary testicular NKTCL at Beijing Friendship Hospital, Capital Medical University from January 2007 to December 2016 were retrospectively analyzed for the morphology, immunephenotype and outcome, and relevant literature was reviewed. Results: The median age of patients at diagnosis was 45 years(range 32-65 years). All patients presented with testicular masses as initial symptoms (6/6), five cases (5/6) were on the right...
March 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Gaomei Chang, Jiayi Zheng, Wenqin Xiao, Shuaikang Chang, Qing Wei, Huiqun Wu, Yi Tao, Guang Yang, Bingqian Xie, Xiucai Lan, Yingcong Wang, Dandan Yu, Liangning Hu, Yongsheng Xie, Wenxuan Bu, Yuanyuan Kong, Bojie Dai, Jun Hou, Jumei Shi
MCT-1 (multiple copies in T-cell lymphoma-1), a novel oncogene, was originally identified in T-cell lymphoma. A recent study has demonstrated that MCT-1 is highly expressed in 85% of diffuse large B-cell lymphomas (DLBCL). PKC (protein kinase C) plays an essential role in signal transduction for multiple biologically active substances for activating cellular functions and proliferation. In this study, we found that the mRNA and protein expression levels of MCT-1 were visibly decreased after knocking down PKC by siRNA in SUDHL-4 and OCI-LY8 DLBCL cell lines...
March 9, 2018: Acta Biochimica et Biophysica Sinica
Mette Skovgaard Christensen, Jesper Medom Vestergaard, Francesco d'Amore, Jette Sønderskov Gørløv, Gunnar Toft, Cecilia Høst Ramlau-Hansen, Zara Ann Stokholm, Inge Brosbøl Iversen, Mette Schou Nissen, Henrik Albert Kolstad
BACKGROUND: Styrene is an important industrial chemical that the general population is exposed to at low levels. Previous research has suggested increased occurrence of leukemia and lymphoma among reinforced plastics workers exposed at high levels of styrene. METHODS: We followed 73,036 workers of 456 small and medium sized Danish reinforced plastics companies 1968-2011 and investigated the exposure-response relation between cumulative styrene exposure and incidence of lymphohematopoietic malignancies...
March 10, 2018: Epidemiology
Mengge Li, Yu Gan, Chunsun Fan, Hui Yuan, Xianjing Zhang, Yuling Shen, Qing Wang, Zihong Meng, Dengfei Xu, Hong Tu
Previous studies have focused on the relationship between hepatitis B virus (HBV) infection and non-Hodgkin lymphoma (NHL). However, the results remain inconsistent and somehow conflicting in different sub-groups. The aim of this study was to combine the findings of independent studies to comprehensively assess the association between HBV and NHL using a meta-analysis. Relevant studies were identified through structured keyword searches in PubMed, EMBASE and the China National Knowledge Infrastructure (CNKI) database and 58 studies with a total of 53,714 NHL cases and 1,778,591 controls were finally included...
March 13, 2018: Journal of Viral Hepatitis
Xin Tian, Xiang-Ling He, Xiao-Ye Yuan, Run-Ying Zou, Hui Zou, Ya-Lan You, Ke-Ke Chen, Cheng-Guang Zhu
OBJECTIVE: To study the difference in expression of TOPK/PBK in lymph nodes between children with malignant lymphoma and those with reactive lymphoid hyperplasia. METHODS: Eighty children with malignant lymphoma and twenty children with reactive lymphoid hyperplasia were enrolled as subjects. Immunohistochemistry was used to determine the expression of TOPK/PBK in all the subjects. The expression of TOPK/PBK was compared between the two groups. RESULTS: The TOPK/PBK-positivity rate was significantly higher in children with malignant lymphoma than in those with reactive lymphoid hyperplasia (P<0...
March 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
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