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Lymphoblastic T cell lymphoma

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https://www.readbyqxmd.com/read/30109179/the-application-of-car-t-cell-therapy-in-hematological-malignancies-advantages-and-challenges
#1
REVIEW
Zijun Zhao, Yu Chen, Ngiambudulu M Francisco, Yuanqing Zhang, Minhao Wu
Chimeric antigen receptor T cell (CAR-T cell) therapy is a novel adoptive immunotherapy where T lymphocytes are engineered with synthetic receptors known as chimeric antigen receptors (CAR). The CAR-T cell is an effector T cell that recognizes and eliminates specific cancer cells, independent of major histocompatibility complex molecules. The whole procedure of CAR-T cell production is not well understood. The CAR-T cell has been used predominantly in the treatment of hematological malignancies, including acute lymphoblastic leukemia, chronic lymphocytic leukemia, lymphoma, and multiple myeloma...
July 2018: Acta Pharmaceutica Sinica. B
https://www.readbyqxmd.com/read/30094928/baseline-characteristics-and-outcomes-of-children-with-cancer-in-the-english-speaking-caribbean-a-multinational-retrospective-cohort
#2
T N Gibson, S Beeput, J Gaspard, C George, D Gibson, N Jackson, V Leandre-Broome, N Palmer-Mitchell, C Alexis, J Bird-Compton, C Bodkyn, R Boyle, S McLean-Salmon, M Reece-Mills, C Sin Quee-Brown, U Allen, S Weitzman, V Blanchette, S Gupta
BACKGROUND: English-speaking Caribbean (ESC) childhood cancer outcomes are unknown. PROCEDURE: Through the SickKids-Caribbean Initiative (SCI), we established a multicenter childhood cancer database across seven centers in six ESC countries. Data managers entered patient demographics, disease, treatment, and outcome data. Data collection commenced in 2013, with retrospective collection to 2011 and subsequent prospective collection. RESULTS: A total of 367 children were diagnosed between 2011 and 2015 with a median age of 5...
August 9, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/30092850/association-between-toxoplasma-gondii-exposure-and-paediatrics-haematological-malignancies-a-case-control-study
#3
Narges Kalantari, Javad Rezanejad, Ahmad Tamadoni, Salman Ghaffari, Jaber Alipour, Masomeh Bayani
The possible association between Toxoplasma gondii infection and paediatric haematological malignancies in a group of patients and control subjects was evaluated in the present study. We performed an age-, gender- and residence frequency-matched case-control study of 101 blood cancer patients under 18 years of age, all of which were treated in Amirkola Pediatric Hospital. One hundred and thirty-eight control samples were gathered from the outpatient clinic in the hospital. All cases and controls were tested for the presence of anti-Toxoplasma IgG antibodies and then IgG-positive subjects were evaluated for IgM antibodies by enzyme-linked immunoassays...
August 10, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/30089953/cytodiagnosis-of-coexistence-of-leukemic-infiltration-and-extramedullary-hematopoiesis-in-a-cervical-lymph-node-in-t-cell-leukemia-patient
#4
Akanksha Bothale, Kalpana Bothale, Sadhana Mahore, Trupti Dongre
Extramedullary hematopoiesis (EMH) is a compensatory mechanism that occurs when the marrow is unable to maintain sufficient red cell mass. EMH generally occurs in the patients with deficient bone marrow hematopoiesis secondary to either peripheral red cell destruction or marrow replacement. Although EMH is known to occur in agnogenic myeloid metaplasia with myelofibrosis, chronic myelogenous leukemia, thalassemia, and infiltrative disorders, such as lymphomas, it is rare in acute leukemias. EMH is most commonly seen in the liver and spleen as a diffuse lesion...
July 2018: Journal of Cytology
https://www.readbyqxmd.com/read/30089946/contribution-of-immunocytochemistry-to-the-diagnosis-of-usual-and-unusual-lymphoma-cases
#5
Dilip K Das
Some of the limitations of fine needle aspiration (FNA) in the cytodiagnosis of lymphoma include problems encountered in differentiating reactive hyperplasia from low-grade non-Hodgkin lymphoma (NHL), lower cytodiagnostic accuracy for NHL with a follicular (nodular) pattern and nodular sclerosis type of classical Hodgkin lymphoma (HL), and overlapping morphological features between T-cell-rich B-cell lymphoma (TCRBCL), anaplastic large cell lymphoma (ALCL), and HL. Immunocytochemistry may be of help in such situations...
July 2018: Journal of Cytology
https://www.readbyqxmd.com/read/30089630/anti-cd37-chimeric-antigen-receptor-t-cells-are-active-against-b-and-t-cell-lymphomas
#6
Irene Scarfò, Maria Ormhøj, Matthew J Frigault, Ana P Castano, Selena Lorrey, Amanda A Bouffard, Alexandria van Scoyk, Scott J Rodig, Alexandra J Shay, Jon C Aster, Frederic I Preffer, David M Weinstock, Marcela V Maus
Chimeric antigen receptor (CAR) T cells have emerged as a novel form of treatment for patients with B-cell malignancies. In particular, anti-CD19 CAR T-cell therapy has effected impressive clinical responses in B-cell acute lymphoblastic leukemia (ALL) and diffuse large B-cell lymphoma (DLBCL). However, not all patients respond, and relapse with antigen loss has been observed in all patient subsets. Here, we report on the design and optimization of a novel CAR directed to the surface antigen CD37, which is expressed in B-cell non-Hodgkin Lymphomas, in chronic lymphocytic leukemia (CLL) and in some cases of cutaneous and peripheral T-cell lymphomas (CTCL and PTCL, respectively)...
August 8, 2018: Blood
https://www.readbyqxmd.com/read/30082560/chylothorax-in-children-with-cancer-a-milky-predicament
#7
Sidharth Totadri, Amita Trehan, Anish Bhattacharya, Deepak Bansal, Savita Verma Attri, Radhika Srinivasan
Chylothorax is an uncommon complication in children. Although surgery and trauma are the most common causes encountered, hematological as well as solid malignancies can present with chylothorax. This study aimed to describe the presentation and management of malignant chylothorax in children. This is a case series from a pediatric hematology-oncology unit. Chylothorax was diagnosed by demonstrating high triglyceride content in the pleural fluid and a low cholesterol concentration in relation to the serum cholesterol...
October 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/30078801/-understanding-of-molecular-pathogenesis-of-t-cell-leukemia-by-super-enhancer-profiling
#8
Takaomi Sanda
Super-enhancers comprise of clusters of enhancers that are typically defined by the ChIP-seq analysis for active histone marks. Although the biological significance of super-enhancers is still controversial, this concept is gaining prominence as useful characteristics of genes that play crucial roles in normal development and pathogenesis of cancer. In various cancer cells, super-enhancers are often associated with genes involved in carcinogenesis. For example, in T-cell acute lymphoblastic leukemia, the oncogenic transcription factor TAL1 and its regulatory partners (GATA3, RUNX1 and MYB) are regulated by super-enhancers; these genes are sensitive to transcriptional inhibition, for example, via the pharmacological approach using a small-molecule CDK7 inhibitor...
2018: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/30076176/preclinical-evaluation-of-second-generation-pim-inhibitors-for-the-treatment-of-t-cell-acute-lymphoblastic-leukemia-and-lymphoma
#9
Renate De Smedt, Sofie Peirs, Julie Morscio, Filip Matthijssens, Juliette Roels, Lindy Reunes, Beatrice Lintermans, Steven Goossens, Tim Lammens, Nadine Van Roy, Aurore Touzart, Silvia Jenni, Yi-Chien Tsai, Federica Lovisa, Lara Mussolin, Valentina Serafin, Filip Van Nieuwerburgh, Dieter Deforce, Anne Uyttebroeck, Thomas Tousseyn, Birgit Burkhardt, Wolfram Klapper, Barbara De Moerloose, Yves Benoit, Elizabeth Macintyre, Jean-Pierre Bourquin, Giuseppe Basso, Benedetta Accordi, Beat Bornhauser, Jules Meijerink, Peter Vandenberghe, Pieter Van Vlierberghe
No abstract text is available yet for this article.
August 3, 2018: Haematologica
https://www.readbyqxmd.com/read/30058716/treatment-of-young-adults-with-philadelphia-negative-acute-lymphoblastic-leukemia-and-lymphoblastic-lymphoma-hyper-cvad-versus-pediatric-inspired-regimens
#10
REVIEW
Stuart E Siegel, Anjali Advani, Nita Seibel, Lori Muffly, Wendy Stock, Selina Luger, David R Freyer, Dan Douer, Rebecca H Johnson, Daniel J DeAngelo, Brandon Hayes-Lattin, Mark Lewis, Jerry J Jaboin, Bijal Shah, Peter F Coccia, Archie Bleyer
For young adults with acute lymphoblastic leukemia, pediatric-based regimens are likely to provide the following when compared to hyper-CVAD regimens: better disease control, less hospitalization time, diminished acute toxicities, decreased financial cost, more quality-adjusted life years, and fewer adverse late effects such as infertility, myelodysplasia and second malignant neoplasms. There are also reasons to expect less cardiac and cognitive dysfunction after pediatric regimens. The improved quality and quantity of life associated with pediatric regimens renders them preferable to hyper-CVAD regimens for the treatment of Philadelphia-negative B-precursor or T-cell acute lymphoblastic leukemia and lymphoblastic lymphoma in young adults...
July 30, 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/30058399/non-hodgkin-s-lymphoma-of-the-oral-cavity-and-maxillofacial-region-a-pathologist-viewpoint
#11
Mahmoud R Hussein
Non-Hodgkin lymphomas of the oral and maxillofacial regions are uncommon malignancies. They usually have progressive course and dismal outcome. Areas covered: This review provides an update about the clinicopathologic, immunophenotypic and molecular features of these lymphomas. Some relevant case reports are presented. Expert Commentary: The lymphomas of the oral and maxillofacial regions involve the tongue, gingiva, hard palate, maxilla, mandible, Waldeyer's ring, palatine and lingual tonsils. They include diffuse large B-cell lymphoma (DLBCL), T- cell lymphoma, Burkitt lymphoma (BL), natural killer/T cell lymphoma (NKTCL), marginal zone lymphoma, plasmablastic lymphoma (PBL), mantle cell lymphoma, and lymphoblastic lymphoma...
July 30, 2018: Expert Review of Hematology
https://www.readbyqxmd.com/read/30046149/car-t-cells-for-infection-autoimmunity-and-allotransplantation
#12
REVIEW
Colby R Maldini, Gavin I Ellis, James L Riley
Chimeric antigen receptors (CARs) have shown remarkable ability to re-direct T cells to target CD19-expressing tumours, resulting in remission rates of up to 90% in individuals with paediatric acute lymphoblastic lymphoma. Lessons learned from these clinical trials of adoptive T cell therapy for cancer, as well as investments made in manufacturing T cells at commercial scale, have inspired researchers to develop CARs for additional applications. Here, we explore the challenges and opportunities of using this technology to target infectious diseases such as with HIV and undesired immune responses such as autoimmunity and transplant rejection...
July 25, 2018: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/30045301/a-case-report-of-extranodal-nk-t-cell-lymphoma-in-patient-with-chronic-lymphocytic-leukemia
#13
Hangping Ge, Xiangping Wu, Jianping Shen, Junfa Chen, Ying Chen, Yu Zhang
RATIONALE: Chronic lymphocytic leukemia often results in secondary tumors, the most common being large B cell lymphoma known as Richter syndrome, followed by extranodal NK/T-cell lymphoma (nasal type) is extremely rare. PATIENT CONCERNS: A chronic lymphocytic leukemia patient presented with nasal congestion. DIAGNOSES: Nasal endoscopy identified a left nasal mass, and the pathology suggested extranodal NK/T-cell lymphoma (nasal type). INTERVENTIONS: The patient received a course of chemotherapy...
July 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30030836/notch-in-leukemia
#14
Anna C McCarter, Qing Wang, Mark Chiang
Notch is commonly activated in lymphoid malignancies through ligand-independent and ligand-dependent mechanisms. In T-cell acute lymphoblastic leukemia/lymphoma (T-ALL), ligand-independent activation predominates. Negative Regulatory Region (NRR) mutations trigger supraphysiological Notch1 activation by exposing the S2 site to proteolytic cleavage in the absence of ligand. Subsequently, cleavage at the S3 site generates the activated form of Notch, intracellular Notch (ICN). In contrast to T-ALL, in mature lymphoid neoplasms such as chronic lymphocytic leukemia (CLL), the S2 cleavage site is exposed through ligand-receptor interactions...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/30025443/comparison-of-efficacy-of-pembrolizumab-between-epstein-barr-virus%C3%A2-positive-and-%C3%A2-negative-relapsed-or-refractory-non-hodgkin-lymphomas
#15
Seok-Jin Kim, Jiyeon Hyeon, Inju Cho, Young Hyeh Ko, Won Seog Kim
Purpose: Pembrolizumab, a programmed cell death protein 1 (PD1) inhibitor inhibits the interplay between PD1 of T-cell and PD1 ligand 1 (PDL1) on tumor cells. Although pembrolizumab has been tried to various subtypes of non-Hodgkin lymphoma (NHL), real-world data about the efficacy of pembrolizumab in NHL patients are limited. Materials and methods: We analyzed the outcome of 30 relapsed or refractory NHL patients treated with pembrolizumab, and compared the outcome between Epstein-Barr virus (EBV)‒positive and negative subtypes because EBV infection of tumor cells can upregulate PDL1 expression...
July 20, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/30006739/cancer-immune-therapy-for-lymphoid-malignancies-recent-advances
#16
REVIEW
Uffe Klausen, Nicolai Grønne Dahlager Jørgensen, Jacob Handlos Grauslund, Morten Orebo Holmström, Mads Hald Andersen
Immunotherapy has played an important part in improving the life of patients with lymphoproliferative diseases especially since the addition of rituximab to chemotherapy in the CD20-positive neoplasms in the 1990s. While this field of passive immunotherapy is continuously evolving, several breakthroughs will expand the treatment modalities to include more active immunotherapy. With the approval of immune checkpoint-blocking antibodies for Hodgkin lymphoma and bispecific antibodies for acute lymphoblastic leukemia (ALL), activation of endogenous T cells already plays a role in several lymphoid malignancies...
July 13, 2018: Seminars in Immunopathology
https://www.readbyqxmd.com/read/29995776/outcome-of-adult-t-lymphoblastic-lymphoma-depends-on-all-type-chemotherapy-prognostic-factors-and-performance-of-allogeneic-hematopoietic-stem-cell-transplantation
#17
Meiwei Hu, Huafeng Wang, Lei Wang, Min Yang, Yinjun Lou, Jie Jin
To study the prognostic factors of adult patients with T-lymphoblastic lymphoma (T-LBL) and to evaluate therapeutic effects of acute lymphoblastic leukemia (ALL)-type chemotherapy in combination with allogeneic hematopoietic stem cell transplantation (allo-HSCT) in patients who achieved overall response (OR) with first line ALL-type chemotherapy.This was a retrospective study of 59 adult patients with T-LBL treated with hyper-fractionated administration of cyclophosphamide, vincristine, doxorubicin and dexamethasone/methotrexate (hyper-CVAD/MA) chemotherapy alone or in combination with allo-HSCT between June 2008 and October 2015...
July 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29951888/updates-in-the-pathology-of-precursor-lymphoid-neoplasms-in-the-revised-fourth-edition-of-the-who-classification-of-tumors-of-hematopoietic-and-lymphoid-tissues
#18
REVIEW
Christopher Wenzinger, Eli Williams, Alejandro A Gru
PURPOSE OF REVIEW: Acute lymphoblastic leukemias (ALL) are malignant disorders of immature B or T cells that occur characteristically in children, usually under the age of 6 (75%). Approximately 6000 new cases of ALL are diagnosed each year in the USA, 80-85% of which represent B-ALL forms. Most presentations of B-ALL are leukemic, whereas T-ALL presents with a mediastinal mass, with or without leukemic involvement. The revised fourth edition of the World Health Organization (WHO) classification (2017) has introduced some changes in both B and T-ALL...
June 27, 2018: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/29930300/the-ribosomal-rpl10-r98s-mutation-drives-ires-dependent-bcl-2-translation-in-t-all
#19
Kim R Kampen, Sergey O Sulima, Benno Verbelen, Tiziana Girardi, Stijn Vereecke, Gianmarco Rinaldi, Jelle Verbeeck, Joyce Op de Beeck, Anne Uyttebroeck, Jules P P Meijerink, Anthony V Moorman, Christine J Harrison, Pieter Spincemaille, Jan Cools, David Cassiman, Sarah-Maria Fendt, Pieter Vermeersch, Kim De Keersmaecker
The R98S mutation in ribosomal protein L10 (RPL10 R98S) affects 8% of pediatric T-cell acute lymphoblastic leukemia (T-ALL) cases, and was previously described to impair cellular proliferation. The current study reveals that RPL10 R98S cells accumulate reactive oxygen species which promotes mitochondrial dysfunction and reduced ATP levels, causing the proliferation defect. RPL10 R98S mutant leukemia cells can survive high oxidative stress levels via a specific increase of IRES-mediated translation of the anti-apoptotic factor B-cell lymphoma 2 (BCL-2), mediating BCL-2 protein overexpression...
June 21, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/29930241/t-cell-replete-haploidentical-peripheral-blood-hematopoietic-cell-transplantation-for-treatment-of-t-lymphoblastic-lymphoma
#20
Lixun Guan, Xiaohong Li, Huaping Wei, Zhenyang Gu, Shasha Zhao, Chengying Zhu, Nan Yang, Feiyan Wang, Lan Luo, Zhe Gao, Wenrong Huang, Honghua Li, Quanshun Wang, Daihong Liu, Xiaoxiong Wu, Chunji Gao
BACKGROUND There is currently little information on haploidentical hematopoietic cell transplantation (haplo-HCT) for T-lymphoblastic lymphoma (T-LBL). Data about peripheral blood stem cells (PBSC) as a reliable graft source for T-LBL treatment are lacking. MATERIAL AND METHODS T-LBL patients who underwent T cell-replete haploidentical peripheral blood hematopoietic cell transplantation (haplo-PBHCT) from July 2007 to January 2017 were retrospectively evaluated. RESULTS A total of 25 patients (age ≥15 years) with median age of 24 (range 15-51) years were enrolled...
June 22, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
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