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Lymphoblastic T cell lymphoma

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https://www.readbyqxmd.com/read/30528964/recent-advances-in-car-t-cell-toxicity-mechanisms-manifestations-and-management
#1
REVIEW
Jennifer N Brudno, James N Kochenderfer
Chimeric antigen receptor (CAR) T-cell therapy is an effective new treatment for hematologic malignancies. Two CAR T-cell products are now approved for clinical use by the U.S. FDA: tisagenlecleucel for pediatric acute lymphoblastic leukemia (ALL) and adult diffuse large B-cell lymphoma subtypes (DLBCL), and axicabtagene ciloleucel for DLBCL. CAR T-cell therapies are being developed for multiple myeloma, and clear evidence of clinical activity has been generated. A barrier to widespread use of CAR T-cell therapy is toxicity, primarily cytokine release syndrome (CRS) and neurologic toxicity...
November 14, 2018: Blood Reviews
https://www.readbyqxmd.com/read/30479190/efficacy-and-safety-of-bispecific-t-cell-engager-bite-antibody-blinatumomab-for-the-treatment-of-relapsed-refractory-acute-lymphoblastic-leukemia-and-non-hodgkin-s-lymphoma-a-systemic-review-and-meta-analysis
#2
Jian Yu, Wen Wang, He Huang
OBJECTIVES: Multiple clinical trials have been conducted to investigate the therapeutic effects of blinatumomab on acute lymphoblastic leukemia (ALL) and non-Hodgkin's lymphoma (NHL). We did a meta-analysis including 8 clinical trials to verify the efficacy and safety of blinatumomab in patients with relapsed/refractory ALL and NHL. METHODS: We searched and investigated all relevant publications from PubMed, Web of Science, Embase, and ClinicalTrials.gov. The primary endpoint was complete remission (CR)...
December 2019: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/30471148/efficacy-of-the-gmall-b-all-nhl2002-protocol-in-burkitt-leukaemia-lymphoma-and-aggressive-non-hodgkin-lymphomas-with-or-without-cns-involvement
#3
Maria Sakarou, Lewin Eisele, Ulrich Dührsen, Andreas Hüttmann
OBJECTIVES: The GMALL-B-ALL/NHL2002 protocol is effective in Burkitt-lymphoma/leukaemia (BL). Its role in other aggressive lymphomas and in patients with simultaneous central nervous system (CNS) and peripheral involvement is unclear. METHODS: This is a retrospective outcome analysis in 76 patients with BL (n=26), B-lymphoblastic lymphoma (B-LBL; n=3), diffuse large B-cell lymphoma (DLBCL; n=31), mantle-cell lymphoma (MCL; n=6), transformed B-cell non-Hodgkin lymphomas (tB-NHL; n=7) and T-cell NHL (T-NHL; n=3) treated with the GMALL-B-ALL/NHL2002 protocol...
November 24, 2018: European Journal of Haematology
https://www.readbyqxmd.com/read/30467242/distinguishing-thymoma-from-t-lymphoblastic-leukaemia-lymphoma-a-case-based-evaluation
#4
Prajwal Boddu, Beenu Thakral, Ahmed Alhuraiji, Naveen Pemmaraju, Tapan Kadia, Maro Ohanian, Farhad Ravandi, Elias Jabbour, William Wierda, Joseph D Khoury, Nitin Jain
T-lymphoblastic lymphoma and thymoma are distinct primary mediastinal neoplasms that can have similar clinical presentations and overlapping histological features. Microscopic distinction is occasionally difficult because the immature lymphocytes associated with thymoma may resemble T-lymphoblastic leukaemia/lymphoma cells, morphologically and immunohistochemically. An accurate diagnosis assumes particular importance since the treatment approaches for these two entities differ considerably. Multimodality diagnostic approaches incorporating histological, flow cytometry immunophenotypic' and molecular approaches are required...
November 22, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/30466764/expression-and-significance-of-cd47-pd1-and-pdl1-in-t-cell-acute-lymphoblastic-lymphoma-leukemia
#5
Kun Yang, Jing Xu, Qinghang Liu, Jing Li, Yanfeng Xi
Although dose intensification strategies achieve a favorable prognosis for pediatric patients of T-lmphoblastic lymphoma/leukemia (T-LBL/ALL), numerous side effects have been followed. Molecular targeted therapies will be needed to optimize the current treatment strategy for T-LBL/ALL. The aim of this study was to analyse expression and significance of CD47, PD1 and PDL1 in. T-LBL/ALL. We performed immunohistochemistry staining and real time fluorescence quantitative PCR (qRT-PCR) on FFPE tissues. Immunohistochemistry results showed that the high expression rate of CD47 protein was 46...
November 2, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/30459530/chimeric-antigen-receptors-unleashing-a-new-age-of-anti-cancer-therapy
#6
REVIEW
Yan Leyfman
Background: Chimeric antigen receptors (CARs) represent a novel facet of modern day synthetic biology that exemplifies personalized medicine at work through their ability to harness and redirect a patient's immune system to fight cancer. Body: By combining the target-specificity of antibodies to the effector capabilities of T cells, CARs have yielded high remission rates for many late staged and relapsed/refractory (r/r) hematological malignancies, including acute lymphoblastic leukemias (ALL) and Non-Hodgkin's lymphomas...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/30425960/morphological-characterization-of-canine-retrobulbar-lymphoma
#7
Natthanet Sritrakoon, Kannika Siripattarapravat, Phudit Maneesaay, Chidozie J Amuzie, Aree Thayananuphat
This report characterized seven cases of canine retrobulbar lymphoma that have been diagnosed during 2008 to 2014 by immunophenotyping of CD3 and Pax5. Classification of lymphoma were performed according to the revised WHO guidelines. Four retrobulbar lymphomas were of T-cell origin, while the others were of B-cell. Out of 7 cases, four subtypes were diagnosed in this study; T-cell-rich large B-cell lymphoma (3/7), T-cell lymphoblastic lymphoma (2/7), peripheral T-cell lymphoma (1/7), and cutaneous nonepitheliotropic lymphoma (1/7)...
2018: Open Veterinary Journal
https://www.readbyqxmd.com/read/30418330/t-cell-acute-lymphoblastic-lymphoma-presenting-as-dissecting-cellulitis-and-cavernous-sinus-syndrome
#8
Jeffrey J Mattingly, Ama Sadaka, Andrew G Lee, Sushma S Yalamanchili
No abstract text is available yet for this article.
December 2018: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/30405801/analyses-and-treatment-of-simultaneous-bi-lineage-malignancies-of-myeloid-leukemia-and-lymphoma-two-case-reports-and-a-literature-review
#9
Xiaorui Fu, Yufeng Shang, Lei Zhang, Ling Li, Xin Li, Xinhua Wang, Zhenchang Sun, Mingzhi Zhang
The present study reports two cases of concurrently diagnosed T-lymphoblastic lymphoma (T-LBL) and chronic myeloid leukemia (CML). The literature review revealed that myeloid leukemia may appear secondary to Hodgkin lymphoma or non-Hodgkin lymphoma. However, simultaneous bi-lineage hematologic malignancies are rarely seen and the prognosis is worse than single lineage lymphoma or myeloid leukemia. There were no standard therapies. All simultaneous bi-lineage malignancies of myeloid leukemia and lymphoma reported in Pubmed were combined with the present two cases, to analyses its pathogenesis, features and treatment...
November 2018: Oncology Letters
https://www.readbyqxmd.com/read/30396307/t-cell-lymphoblastic-lymphoma-involving-the-ocular-adnexa-report-of-two-cases-and-review-of-the-current-literature
#10
Lucy Sun, Alan H Friedman, Rand Rodgers, Matthew Schear, Giovanni Greaves, Kathryn B Freidl
The majority of ocular adnexal lymphomas are B-cell in origin. We report two cases of T-cell lymphoblastic lymphoma (T-LBL) involving the ocular adnexa. One patient presented with a painless pink conjunctival lesion and inferior orbital fullness. The second patient presented with a painless orbital mass. The diagnoses were confirmed by histopathology and immunohistochemistry. Both patients had extensive multifocal lesions during staging. Prompt intensified chemotherapy regimens were initiated. T-LBL is an aggressive disease with poor prognosis...
November 6, 2018: Orbit
https://www.readbyqxmd.com/read/30385479/diagnosis-of-intrathyroidal-ectopic-thymus-in-thyroid-fine-needle-aspiration-samples
#11
Weijie Li, Daniel Dim, Lorien Paulson, Douglas Rivard
AIMS: Intrathyroidal ectopic thymus (ITET) is a rare cause of paediatric thyroid nodules. Although ultrasonography of ITET demonstrates a characteristic appearance similar to that of normal thymus, accurate differentiation from other thyroid nodule etiologies by ultrasonography is difficult, and so that fine needle aspiration (FNA) is usually performed for further analysis. The aim of this study was to evaluate the utility of flow cytometry (FCM) in confirming the diagnosis of ITET in thyroid FNA samples...
November 1, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/30380973/blinatumomab-a-bispecific-b-cell-and-t-cell-engaging-antibody-in-the-treatment-of-b-cell-malignancies
#12
Richard Burt, Dana Warcel, Adele K Fielding
Blinatumomab (Blincyto, Amgen), a bi-specific antibody, is a first-in-class, targeted immunotherapy agent for treatment of B-cell malignancies with a novel mechanism of action which involves in-vivo engagement of the patient's T cells with CD19-expressing tumour cells. Clinical trials have demonstrated its efficacy in relapsed B-cell Acute Lymphoblastic Leukaemia (B-ALL) and B-cell Non-Hodgkin's Lymphoma including in patients who are refractory to chemotherapy. This review summarises the development and design of Blinatumomab, the outcome of clinical studies demonstrating its efficacy and how to manage the administration, practically, including relevant toxicities...
October 31, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/30361418/cd123-expression-patterns-and-selective-targeting-with-a-cd123-specific-antibody-drug-conjugate-imgn632-in-acute-lymphoblastic-leukemia
#13
Evgeniya Angelova, Charlene Audette, Yelena Kovtun, Naval Daver, Sa A Wang, Sherry Pierce, Sergej N Konoplev, Haitham Khogeer, Jeffrey L Jorgensen, Marina Konopleva, Patrick A Zweidler-McKay, L Jeffrey Medeiros, Hagop M Kantarjian, Elias J Jabbour, Joseph D Khoury
The potential of CD123-targeted therapies in acute lymphoblastic leukemia/lymphoma remains largely unexplored. We examined CD123 expression levels in a large cohort of acute lymphoblastic leukemia/lymphoma patients and assessed the in vitro impact of IMGN632, a conjugate of CD123-binding antibody with a novel DNA-alkylating payload. CD123 expression on leukemic blasts was surveyed in a large cohort of acute lymphoblastic leukemia/lymphoma patients using multicolor/multiparameter flow cytometry. The in vitro effect of IMGN632 was evaluated on B acute lymphoblastic leukemia/lymphoma cell lines and primary B acute lymphoblastic leukemia/lymphoma blasts...
October 25, 2018: Haematologica
https://www.readbyqxmd.com/read/30323566/characterization-of-clinical-grade-cd19-chimeric-antigen-receptor-t-cells-produced-using-automated-clinimacs-prodigy-system
#14
Wei Zhang, Kimberly R Jordan, Brian Schulte, Enkhtsetseg Purev
Background: Chimeric antigen receptor (CAR) T-cell therapy is highly effective for treating acute lymphoblastic leukemia and non-Hodgkin's lymphoma with high rate complete responses. However, the broad clinical application of CAR T-cell therapy has been challenging, largely due to the lack of widespread ability to produce and high cost of CAR T-cell products using traditional methods of production. Automated cell processing in a closed system has emerged as a potential method to increase the feasibility of producing CAR T cells locally at academic centers due to its minimal reliance on experienced labor, thereby making the process less expensive and more consistent than traditional methods of production...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/30317726/-clinicopathologic-features-of-breast-lymphoma-in-core-needle-biopsy
#15
J Rao, M Ruan, B H Yu, X Q Li, W T Yang, R H Shui
Objective: To investigate the clinicopathologic features and differential diagnosis of breast lymphoma in core needle biopsy. Methods: Seventy-two cases of breast lymphoma in core needle biopsy between 2011 and 2016 were extracted from the pathology database of Fudan University Shanghai Cancer Center. The clinicopathologic features were analyzed. The histological diagnosis of the tumors was based on the WHO classifications of tumors of hematopoietic and lymphoid tissues. Immunohistochemistry and molecular methods were performed to detect related antigens and genes...
October 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/30313079/diagnostic-challenges-in-t-lymphoblastic-lymphoma-early-t-cell-precursor-acute-lymphoblastic-leukemia-or-mixed-phenotype-acute-leukemia-a-case-report
#16
Ping Wang, Xian'gui Peng, Xiaojuan Deng, Li Gao, Xi Zhang, Yimei Feng
RATIONALE: The diagnosis of hematological malignancies depends on laboratory analysis and often requires multiple experimental methods to judge, otherwise misdiagnosis is apt to happen. Lymph node biopsy immunohistochemistry (IHC) for T-lymphoblastic lymphoma (T-LBL) requires the establishment of antibody set screening. For identifying T-LBL and early T-cell precursor acute lymphoblastic leukemia (ETP-ALL) by lymph node biopsy and IHC, WHO has not yet proposed a better IHC antibody combination...
October 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30295254/-t-lymphoblastic-lymphoma-combined-with-acute-myeloid-leukemia
#17
Zong Zhang, Wei Gui, Min Bai, Li Ma, Li-Ping Su, Tao Guan
OBJECTIVE: To investigate the diagnosis and treatment of patients with T-lymphoblastic lymphoma(T-LBL)combined with acute myeloid leukemia(AML). METHODS: The clinical features of 4 patients with T-LBL combined with AML were retrospectively analyzed, Among them the case 1 and 2 were synchronous occurrence,and case 3 and 4 were sequentially occurred. Especially for former 2 patients,the dliagnosis differentiated from the involved lymph node of AML is important...
October 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/30280289/hematopoietic-stem-cell-transplantation-in-the-era-of-engineered-cell-therapy
#18
REVIEW
Jacob S Appelbaum, Filippo Milano
PURPOSE OF REVIEW: Cellular therapy using T cells modified to express chimeric antigen receptors (CAR-T cells) has had striking success in patients that have failed previous treatment for CD19+ B cell non-Hodgkin lymphoma (NHL), chronic lymphocytic leukemia (CLL), or acute lymphoblastic leukemia (ALL). Curative therapy for this group of diseases has previously been limited to allogeneic hematopoietic cell transplantation HCT (alloHCT). The recent results of CAR-T cell therapy raise the question of how best to integrate CAR-T cell therapy and alloHCT in the care of these patients...
October 2, 2018: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/30275435/allogeneic-car-t-cells-more-than-ease-of-access
#19
REVIEW
Charlotte Graham, Agnieszka Jozwik, Andrea Pepper, Reuben Benjamin
Patient derived anti-CD19 chimeric antigen receptor-T (CAR-T) cells are a powerful tool in achieving a complete remission in a range of B-cell malignancies, most notably B-acute lymphoblastic leukaemia (B-ALL) and diffuse large B-cell lymphoma (DLBCL). However, there are limitations, including inability to manufacture CAR-T cells from the patient's own T cells, disease progression and death prior to return of engineered cells. T cell dysfunction is known to occur in cancer patients, and several groups have recently described differences in CAR-T cells generated from chronic lymphocytic leukaemia (CLL) patients compared with those from a healthy donor...
October 1, 2018: Cells
https://www.readbyqxmd.com/read/30256907/foxn1-dependent-thymic-epithelial-cells-promote-t-cell-leukemia-development
#20
Marinella N Ghezzo, Mónica T Fernandes, Ivette Pacheco-Leyva, Pedro M Rodrigues, Rui S Machado, Marta A S Araújo, Ravi K Kalathur, Matthias E Futschik, Nuno L Alves, Nuno R Dos Santos
T-cell acute lymphoblastic leukemia (T-ALL) and lymphoblastic lymphomas (T-LBL) are aggressive malignancies of thymocytes. The role of thymic microenvironmental cells and stromal factors in thymocyte malignant transformation and T-ALL development remains little explored. Here, using the TEL-JAK2 transgenic (TJ2-Tg) mouse model of T-ALL/LBL, which is driven by constitutive JAK/STAT signaling and characterized by the acquisition of Notch1 mutations, we sought to identify stromal cell alterations associated with thymic leukemogenesis...
September 26, 2018: Carcinogenesis
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