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t cell Lymphoblastic lymphoma

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https://www.readbyqxmd.com/read/27913533/non-hodgkin-lymphoma-across-the-pediatric-and-adolescent-and-young-adult-age-spectrum
#1
John T Sandlund, Mike G Martin
The non-Hodgkin lymphomas (NHLs) occurring in children and adolescents and young adults (AYA) are characterized by various age-related differences in tumor biology and survival. Children generally present with high-grade lymphomas, such as Burkitt lymphoma, diffuse large B-cell lymphoma, lymphoblastic lymphoma, and anaplastic large cell lymphoma, whereas low-grade histologic subtypes, such as follicular lymphoma, occur more frequently with increasing age. Treatment outcome for children with NHL is generally superior to that observed in adults...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913051/erg-expression-in-multiple-myeloma-a-potential-diagnostic-pitfall
#2
Juliana Knief, Katharina Reddemann, Jan Gliemroth, Swantje Brede, Tobias Bartscht, Christoph Thorns
INTRODUCTION: ERG expression has been described as a frequent event in prostate cancer indicating poor prognosis and promoting oncogenesis. It has also been demonstrated in Ewing's sarcoma, acute myeloid leukemia and acute T-lymphoblastic leukemia but could not be found in other epithelial tumors, Hodgkin's or Non-Hodgkin's lymphoma. We aimed to analyze ERG expression in multiple myeloma, following an index case of a patient with metastases of unknown origin in the spine strongly expressing ERG, which were thought to be of prostatic origin but turned out to be plasmacytic lesions...
November 3, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27900092/primary-orbital-precursor-t-cell-lymphoblastic-lymphoma-report-of-a-unique-case
#3
Lisa Stenman, Marta Persson, Fredrik Enlund, Erik Clasen-Linde, Göran Stenman, Steffen Heegaard
Primary T-cell lymphoblastic lymphoma (T-LBL) in the eye region is very rare. The present study described a unique case of T-LBL involving the extraocular muscles. A 22-year-old male patient presented with a 3-week history of headache, reduced visual acuity and edema of the left eye. Clinical examination revealed left-sided exophthalmus, periorbital edema, chemosis, and reduced motility of the left eye. A magnetic resonance imaging scan revealed thickening of the left orbital muscles and a positron emission tomography-computed tomography scan also demonstrated activity in a subclavicular lymph node...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27895788/effects-of-microrna-21-on-the-biological-functions-of-t-cell-acute-lymphoblastic-lymphoma-leukemia
#4
Cunzhen Shi, Xudong Zhang, Xin Li, Lei Zhang, Ling Li, Zhenchang Sun, Xiaorui Fu, Jingjing Wu, Yu Chang, Wencai Li, Qingjiang Chen, Mingzhi Zhang
Previous studies have demonstrated that microRNA-21 (miR-21) is an oncogene and is significantly upregulated in tumor tissue. However, its association with T-cell acute lymphoblastic lymphoma/leukemia (T-ALL) remains poorly understood. The aim of the present study was to investigate the effects of miR-21 on T-ALL cells by constructing Jurkat cells infected with recombinant adenovirus adv-miR-21 or adv-anti-miR-21. In addition, the target gene of miR-21 was identified by reverse transcription-quantitative polymerase chain reaction and western blotting...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27894880/lymphoma-of-the-eyelid
#5
REVIEW
Frederik Holm Svendsen, Steffen Heegaard
Lymphoma of the eyelid constitutes 5% of ocular adnexal lymphoma. In previously published cases, 56% of lymphomas of the eyelid are of B-cell origin and 44% are of T-cell origin. The most frequent B-cell lymphomas are extranodal marginal zone lymphoma (27 cases--14%) and diffuse large B-cell lymphoma (18 cases--9%). T-cell lymphomas are most frequently mycosis fungoides (25 cases--13%), extranodal NK/T-cell, nasal type lymphoma (12 cases--6%) and primary cutaneous anaplastic large cell lymphoma (12 cases--6%)...
November 25, 2016: Survey of Ophthalmology
https://www.readbyqxmd.com/read/27875673/recent-advances-in-engineered-t-cell-therapies-targeting-b-cell-malignancies
#6
Nathan Singh
Immunotherapy using engineered autologous T cells has been attempted for decades, but clinical trials have only recently demonstrated efficacy. The combination of enhanced manufacturing techniques, highly efficient engineering, appropriate target selection and synthetic receptors with potent T cell activating domains has led to the development of highly-active cellular therapy products. B-cell malignancies have served as the paradigmatic diseases to initially evaluate and subsequently hone engineered T cells targeting cancer...
October 2016: Discovery Medicine
https://www.readbyqxmd.com/read/27869523/nelarabine-in-the-treatment-of-pediatric-and-adult-patients-with-t-cell-acute-lymphoblastic-leukemia-and-lymphoma
#7
Tapan M Kadia, Varsha Gandhi
Introduction T-cell acute lymphoblastic leukemia (ALL) and lymphoma (LBL) are aggressive hematologic neoplasms that are treated with combination chemotherapy in the frontline, but have limited options in the relapsed or refractory setting. Based on observations in patients with purine nucleoside phosphorylase (PNP) deficiency, a guanosine nucleoside analogue, arabinosylguanine (ara-G) was developed that provided T-cell specificity. Nelarabine was developed as the water-soluble, clinically useful-prodrug of ara-G and based on its activity was approved for the treatment of relapsed or refractory T-ALL/LBL...
November 21, 2016: Expert Review of Hematology
https://www.readbyqxmd.com/read/27867103/lymphoblastic-lymphoma-with-a-triple-hit-profile-a-rare-but-distinct-and-relevant-entity
#8
Laura S Hiemcke-Jiwa, Roos J Leguit, Lars T van der Veken, Arjan Buijs, Jan Willem Leeuwis, Mirthe de Boer, N Mehdi Jiwa, Andries C Bloem, Eefke J Petersen, Roel A de Weger, Manon M H Huibers
Follicular lymphoma with progression to a high grade lymphoma bears a poor prognosis. We describe a case of a 60-year old man who presented in 2012 with an epidural mass, diagnosed as a diffuse large B-cell lymphoma (DLBCL) with concurrent low grade follicular lymphoma. Three years later, the patient presented with a cervical mass, diagnosed as a lymphoblastic lymphoma (LBL). Both the DLBCL and LBL contained a "triple hit" with BCL2, BCL6 and cMYC translocations demonstrated by fluorescence in situ hybridization analysis and a complex karyotype by SNP-array analysis...
November 17, 2016: Human Pathology
https://www.readbyqxmd.com/read/27865176/adoptive-immunotherapy-for-hematological-malignancies-current-status-and-new-insights-in-chimeric-antigen-receptor-t-cells
#9
REVIEW
Alessandro Allegra, Vanessa Innao, Demetrio Gerace, Doriana Vaddinelli, Caterina Musolino
Hematological malignancies frequently express cancer-associated antigens that are shared with normal cells. Such tumor cells elude the host immune system because several T cells targeted against self-antigens are removed during thymic development, and those that persist are eliminated by a regulatory population of T cells. Chimeric antigen receptor-modified T cells (CAR-Ts) have emerged as a novel modality for tumor immunotherapy due to their powerful efficacy against tumor cells. These cells are created by transducing genes-coding fusion proteins of tumor antigen-recognition single-chain Fv connected to the intracellular signaling domains of T cell receptors, and are classed as first-, second- and third-generation, differing on the intracellular signaling domain number of T cell receptors...
November 2016: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/27835864/senescent-stromal-cell-induced-divergence-and-therapeutic-resistance-in-t-cell-acute-lymphoblastic-leukemia-lymphoma
#10
David M Habiel, Nicolas Krepostman, Michael Lilly, Karen Cavassani, Ana Lucia Coelho, Takehiko Shibata, Kojo Elenitoba-Johnson, Cory M Hogaboam
T cell Acute Lymphoblastic Leukemia/Lymphoma (T-ALL/LBL) is a precursor T cell leukemia/lymphoma that represents approximately 15% of all childhood and 25% of adult acute lymphoblastic leukemia. Although a high cure rate is observed in children, therapy resistance is often observed in adults and mechanisms leading to this resistance remain elusive. Utilizing public gene expression datasets, a fibrotic signature was detected in T-LBL but not T-ALL biopsies. Further, using a T-ALL cell line, CCRF-CEM (CEM) cells, we show that CEM cells induce pulmonary remodeling in immunocompromised mice, suggesting potential interaction between these cells and lung fibroblasts...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27785413/t-lymphoblastic-leukemia-lymphoma-in-macedonian-patients-with-nijmegen-breakage-syndrome
#11
S A Kocheva, K Martinova, Z Antevska-Trajkova, B Coneska-Jovanova, A Eftimov, A J Dimovski
Nijmegen breakage syndrome (NBS) is a rare autosomal recessive chromosomal instability disorder characterized by microcephaly, immunodeficiency, radiosensitivity and a very high predisposition to malignancy. The gene responsible for the disease, NBS1, is located on chromosome 8q21 and encodes a protein called nibrin. After identification of the gene, a truncating 5 bp deletion, 657-661delACAAA, was identified as the disease-causing mutation in patients with the NBS. In this report, we describe two patients with NBS and T-lymphoblastic leukemia/lymphoma in a Macedonian family...
July 1, 2016: Balkan Journal of Medical Genetics: BJMG
https://www.readbyqxmd.com/read/27772900/terminal-deoxynucleotidyl-transferase-tdt-negative-t-cell-lymphoblastic-lymphoma-does-exist-a-case-report
#12
Li Ma, Morag Whyte, David Gillis, Gael E Phillips, Olivier Ramuz
No abstract text is available yet for this article.
February 2016: Pathology
https://www.readbyqxmd.com/read/27750045/b-lymphoblastic-lymphomas-evolving-from-follicular-lymphomas-co-express-surrogate-light-chains-and-mutated-gamma-heavy-chains
#13
Linda M Slot, Robbert Hoogeboom, Laura A Smit, Thera A M Wormhoudt, Bart J Biemond, Monique E C M Oud, Esther J M Schilder-Tol, André B Mulder, Aldo Jongejan, Antoine H C van Kampen, Philip M Kluin, Jeroen E J Guikema, Richard J Bende, Carel J M van Noesel
Follicular lymphoma (FL) is an indolent B-cell non-Hodgkin lymphoma able to transform into germinal center-type diffuse large B-cell lymphoma. We describe four extraordinary cases of FL, which progressed to TdT(+)CD20(-) precursor B-lymphoblastic lymphoma (B-LBL). Fluorescence in situ hybridization analysis showed that all four B-LBLs had acquired a MYC translocation on transformation. Comparative genomic hybridization analysis of one case demonstrated that in addition to 26 numerical aberrations that were shared between the FL and B-LBL, deletion of CDKN2A/B and 17q11, 14q32 amplification, and copy-neutral loss of heterozygosity of 9p were gained in the B-LBL cells...
October 14, 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27744645/the-promise-of-chimeric-antigen-receptor-t-cell-therapy
#14
Noelle V Frey, David L Porter
Chimeric antigen receptors (CARs) are engineered molecules that can be introduced into T cells to enable them to target specific tumor antigens. CAR T cells targeting CD19 have shown promise in patients with relapsed and refractory B-cell neoplasms, including those with acute lymphoblastic leukemia, chronic lymphocytic leukemia, and non-Hodgkin lymphomas. Notably, durable responses have been observed in patients who had not undergone consolidative stem cell transplant, a finding that correlates with reports of T-cell persistence and B-cell aplasia in studies of anti-CD19 treatment in vivo...
October 15, 2016: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/27736268/iron-chelation-an-adjuvant-therapy-to-target-metabolism-growth-and-survival-of-murine-pten-deficient-t-lymphoma-and-human-t-lymphoblastic-leukemia-lymphoma
#15
Joy Benadiba, Celia Rosilio, Marielle Nebout, Vera Heimeroth, Zouhour Neffati, Alexandra Popa, Didier Mary, Emmanuel Griessinger, Véronique Imbert, Nicolas Sirvent, Jean-François Peyron
Iron is an essential nutrient, acting as a catalyst for metabolic reactions that are fundamental to cell survival and proliferation. Iron complexed to transferrin is delivered to the metabolism after endocytosis via the CD71 surface receptor. We found that transformed cells from a murine PTEN-deficient T-cell lymphoma model and from T-cell acute lymphoblastic leukemia/lymphoma (T-ALL/T-LL) cell lines overexpress CD71. As a consequence, the cells developed an addiction toward iron whose chelation by deferoxamine (DFO) dramatically affected their survival to induce apoptosis...
October 13, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27725920/flow-cytometric-analysis-four-year-experience-in-a-tertiary-care-centre-of-pakistan
#16
Imran N Ahmad, Salman Assad, Muhammad Rahman, Haider Ghazanfar
PURPOSE:   This study summarizes a four-year experience from the analysis of hematolymphoid malignancies in Pakistani population using a database of six-colored flow cytometry. METHODS: A cross-sectional survey of 323 specimens of hematolymphoid malignancies using six-colored flow cytometry (FC) was carried out in Shifa International Hospital, Islamabad, Pakistan from June 2012 to June 2016. The criterion for specimen adequacy was that the cases have abnormal populations by FC, and the specimen age (time from biopsy to being examined by the six-color FC tube) of three days or less was to be included in the study...
September 1, 2016: Curēus
https://www.readbyqxmd.com/read/27675685/effectiveness-of-radiation-treatment-in-adult-patients-with-mediastinal-t-cell-lymphoblastic-leukemia-lymphoma
#17
Z Abou Yehia, B Dabaja, G L Smith, S A Milgrom, H Kantarjian, P K Allen, N Garg, S A Pierce, J Reddy, O R Mawlawi, T Suki, L J Medeiros, E Jabbour, N Jain, C C Pinnix
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27670424/frequent-nfkbie-deletions-are-associated-with-poor-outcome-in-primary-mediastinal-b-cell-lymphoma
#18
Larry Mansouri, Daniel Noerenberg, Emma Young, Elena Mylonas, Maysaa Abdulla, Mareike Frick, Fazila Asmar, Viktor Ljungström, Markus Schneider, Kenichi Yoshida, Aron Skaftason, Tatjana Pandzic, Blanca Gonzalez, Anna Tasidou, Nils Waldhueter, Alfredo Rivas-Delgado, Maria Angelopoulou, Marita Ziepert, Christopher Maximilian Arends, Lucile Couronné, Dido Lenze, Claudia D Baldus, Christian Bastard, Jessica Okosun, Jude Fitzgibbon, Bernd Dörken, Hans G Drexler, Damien Roos-Weil, Clemens A Schmitt, Helga Duverger Munch-Petersen, Thorsten Zenz, Martin-Leo Hansmann, Jonathan C Strefford, Gunilla Enblad, Olivier A Bernard, Elisabeth Ralfkiaer, Martin Erlanson, Penelope Korkolopoulou, Magnus Hultdin, Theodora Papadaki, Kirsten Grønbæk, Armando Lopez-Guillermo, Seishi Ogawa, Ralf Küppers, Kostas Stamatopoulos, Niki Stavroyianni, George Kanellis, Andreas Rosenwald, Elias Campo, Rose-Marie Amini, German Ott, Theodoros P Vassilakopoulos, Michael Hummel, Richard Rosenquist, Frederik Damm
We recently reported a truncating deletion in the NFKBIE gene, which encodes IκBϵ, a negative feedback regulator of NF-κB, in clinically aggressive chronic lymphocytic leukemia (CLL). Preliminary data indicate enrichment of NFKBIE aberrations in other lymphoid malignancies, hence we screened a large patient cohort (n=1460) diagnosed with different lymphoid neoplasms. While NFKBIE deletions were infrequent in follicular lymphoma, splenic marginal-zone lymphoma, and T-cell acute lymphoblastic leukemia (<2%), slightly higher frequencies were seen in diffuse large B-cell lymphoma, mantle cell lymphoma, and primary CNS lymphoma (3-4%)...
September 26, 2016: Blood
https://www.readbyqxmd.com/read/27668103/immune-thrombocytopenia-in-a-child-with-t-cell-lymphoblastic-lymphoma
#19
Kayo Tokeji, Sachi Sakaguchi, Tomoko Kurimoto, Junya Fujimura, Toshiaki Shimizu
We describe the case of a 13-year-old boy who presented with persistent thrombocytopenia during maintenance chemotherapy with mercaptopurine and methotrexate for T cell lymphoblastic lymphoma. He was diagnosed with immune thrombocytopenia (ITP) after thorough investigations for the relapse of lymphoma and was successfully treated with immunoglobulin and steroids. ITP is known to be associated with chronic lymphocytic leukemia, Hodgkin lymphoma, and various types of non-Hodgkin lymphoma but rarely with T cell non-Hodgkin lymphoma or in children...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27666766/immunohistochemical-analysis-of-the-novel-marginal-zone-b-cell-marker-irta1-in-malignant-lymphoma
#20
Jun-Ichiro Ikeda, Masaharu Kohara, Yoko Tsuruta, Satoshi Nojima, Shinichiro Tahara, Kenji Ohshima, Masako Kurashige, Naoki Wada, Eiichi Morii
Marginal zone lymphoma (MZL) is a low-grade B-cell lymphoma derived from marginal-zone B cells. Because of a lack of specific immunohistochemical markers, MZL is mainly diagnosed based on the cytological appearance and growth pattern of the tumor. Marginal-zone B cells were recently shown to selectively express immunoglobulin superfamily receptor translocation-associated 1 (IRTA1), but the antibody used in that study is not commercially available. We therefore investigated the IRTA1 expression in non-neoplastic lymphoid tissues and 261 malignant lymphomas, examining the ability of a commercially available antibody to accurately diagnose MZL...
September 22, 2016: Human Pathology
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