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t cell Lymphoblastic lymphoma

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https://www.readbyqxmd.com/read/28934678/establishment-of-cell-line-with-nk-nkt-phenotype-from-myeloid-nk-cell-acute-leukemia
#1
A Darji, N Desai, R Modi, B Khamar, S Rajkumar
Acute Myeloid Leukemia (AML) is the most common malignancy in adults with a 5-year survival rate of 27% of the total affected population. For effective treatment and new drug discovery, cell lines are considered as a very important tool. Here we report an establishment of a continuous human cell line AML-004 with a hypo-diploid chromosome 44 and presence of both NK/NKT phenotypes. The cell line was isolated from the blood sample of myeloid NK cell acute leukemia patients and extensively characterized by flow cytometery, morphology, and cytogentic analysis...
September 13, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28921451/distribution-of-malignant-lymphomas-in-the-anterior-mediastinum-a-single-institution-study-of-76-cases-in-japan-1997-2016
#2
Akiko Miyagi Maeshima, Hirokazu Taniguchi, Tomotaka Suzuki, Sayako Yuda, Kosuke Toyoda, Nobuhiko Yamauchi, Shinichi Makita, Suguru Fukuhara, Wataru Munakata, Dai Maruyama, Yukio Kobayashi, Kensei Tobinai
We analyzed the distribution of tumors and lymphomas of the anterior mediastinum diagnosed between 1997 and 2016 at the National Cancer Center Hospital, Japan. The median age of 283 patients with anterior mediastinal tumors was 48 (range 6-84) years, and 143 (51%) were male. The incidence of tumors was as follows: thymoma, 34%; thymic carcinoma, 16%; primary mediastinal large B-cell lymphoma (PMBL), 13%; germ cell tumors, 10%; classical Hodgkin lymphoma (CHL), 9%; thymic cyst, 7%; metastatic tumors, 3%; T lymphoblastic leukemia/lymphoma (T-LBL), 2%; other lymphomas, 3%; and others, 3%...
September 18, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28919785/biomarker-analysis-and-clinical-relevance-of-tk1-on-the-cell-membrane-of-burkitt-s-lymphoma-and-acute-lymphoblastic-leukemia
#3
Evita G Weagel, Wei Meng, Michelle H Townsend, Edwin J Velazquez, Rachel A Brog, Michael W Boyer, K Scott Weber, Richard A Robison, Kim L O'Neill
TK1 is an enzyme involved in DNA synthesis and repair. TK1 is usually found elevated in cancer patients' serum, which makes it a useful tumor proliferation biomarker that strongly correlates with cancer stage, metastatic capabilities, and recurrence risk. In this study, we show that TK1 is upregulated and localizes on the plasma membrane of Burkitt's lymphoma, acute promyelocytic leukemia, T cell leukemia, and acute lymphoblastic leukemia (ALL). Using flow cytometry, we confirmed that TK1 localizes on the surface of Raji, HL60, and Jurkat cell lines and on ALL clinical samples...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28913874/an-algorithmic-approach-to-diagnose-haematolymphoid-neoplasms-in-effusion-by-combining-morphology-immunohistochemistry-and-molecular-cytogenetics
#4
L Chen, J S Zhang, D G Liu, D Cui, Z L Meng
OBJECTIVE: There are limited studies of cytology diagnosis of haematopoietic and lymphoid tumours in serosal effusion except for occasional case reports. We would like to demonstrate an algorithmic approach for accurate diagnosis, especially in patients without previous history. METHODS: We reviewed 36 cases of lymphoma diagnosed in serosal effusion following an algorithmic approach. Suspected tumour cells were classified into small, intermediate and large sizes and two characteristic forms of plasmacytoid and Reed Sternberg-like on smears (step 1), followed by utilising panels of immunohistochemical markers and Epstein-Barr encoding region in situ hybridisation on cell blocks (step 2)...
September 15, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28910872/-pathologic-subtyping-of-primary-lymphoma-of-breast-and-prognostic-analysis
#5
Z J Zhou, J L Xie, P Wei, X G Zhou
Objective: To investigate the pathological types and prognostic factors of primary lymphoma of breast (PLB). Methods: The clinical pathological data of 115 cases of PLB during October 2006 to October 2016 were retrospectively analyzed, and the basic clinical and pathological data, pathology types and the immunohistochemical slides by EliVision two-step method for staining were summarized. Results: Almost all the patients were women (113/115), and the median age was 52 years old (range: 27 to 81 years old). The main symptom was painless progressive mass in breast...
September 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28892922/early-t-cell-precursor-acute-lymphoblastic-leukaemia-lymphoma-immunohistochemical-evaluation-of-four-lymph-node-biopsies
#6
Divya Shelly, Sumeet Gujral
No abstract text is available yet for this article.
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28868017/natural-killer-cell-lymphoblastic-leukaemia-lymphoma-case-report-and-review-of-the-recent-literature
#7
Qanita Sedick, Sultan Alotaibi, Saeed Alshieban, Khalid Ben Naheet, Ghaleb Elyamany
Natural killer (NK) cell lymphoblastic leukaemia/lymphoma is a rare haemopoietic tumour currently defined in the 2008 WHO classification under the category of acute leukaemias of ambiguous lineage. A diagnosis of this type of leukaemia is considered in cases expressing CD56 along with immature T-cell-associated markers such as CD2 and CD7 with absence of B-cell and myeloid markers; in addition, blastic plasmacytoid dendritic cell leukaemia should be excluded. Prior to 2008, these precursor NK cell lymphoblastic leukaemias/lymphomas were categorized as myeloid/NK cell acute leukaemia with a phenotype identical to acute myeloid leukaemia with minimal differentiation...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28827401/inactivation-of-capicua-in-adult-mice-causes-t-cell-lymphoblastic-lymphoma
#8
Lucía Simón-Carrasco, Osvaldo Graña, Marina Salmón, Harrys K C Jacob, Alejandro Gutierrez, Gerardo Jiménez, Matthias Drosten, Mariano Barbacid
CIC (also known as Capicua) is a transcriptional repressor negatively regulated by RAS/MAPK signaling. Whereas the functions of Cic have been well characterized in Drosophila, little is known about its role in mammals. CIC is inactivated in a variety of human tumors and has been implicated recently in the promotion of lung metastases. Here, we describe a mouse model in which we inactivated Cic by selectively disabling its DNA-binding activity, a mutation that causes derepression of its target genes. Germline Cic inactivation causes perinatal lethality due to lung differentiation defects...
July 15, 2017: Genes & Development
https://www.readbyqxmd.com/read/28795410/clinicopathological-analysis-of-46-cases-with-cd4-and-or-cd56-immature-hematolymphoid-malignancy-reappraisal-of-blastic-plasmacytoid-dendritic-cell-and-related-neoplasms
#9
Yuka Suzuki, Seiichi Kato, Kei Kohno, Akira Satou, Ahmed E Eladl, Naoko Asano, Michihiro Kono, Yuichi Kato, Masafumi Taniwaki, Masashi Akiyama, Shigeo Nakamura
AIMS: Here we aimed to investigate the clinicopathological features of CD4+ and/or CD56+ immature hematolymphoid malignancy (iHLM), including blastic plasmacytoid dendritic cell neoplasm (BPDCN). METHODS AND RESULTS: We analysed the clinicopathological features of 46 patients consecutively diagnosed with CD4+/CD56+ iHLM. These cases were categorized into three groups based on their immunohistochemical expression of three plasmacytoid dendritic cell (pDC) markers (CD123, CD303, and TCL1): cutaneous BPDCN (n = 35), non-cutaneous BPDCN (n = 6), and non-BPDCN-type CD56+ neoplasms (n = 5)...
August 10, 2017: Histopathology
https://www.readbyqxmd.com/read/28771663/safety-and-efficacy-of-nelarabine-in-children-and-young-adults-with-relapsed-or-refractory-t-lineage-acute-lymphoblastic-leukaemia-or-t-lineage-lymphoblastic-lymphoma-results-of-a-phase-4-study
#10
Christian Michel Zwaan, Jerzy Kowalczyk, Claudine Schmitt, Bella Bielorai, Mark W Russo, Mary Woessner, Sulabha Ranganathan, Guy Leverger
Nelarabine is an antineoplastic agent approved for the treatment of relapsed/refractory T-lineage acute lymphoblastic leukaemia (T-ALL) or T-lineage acute lymphoblastic lymphoma (T-LBL). The purpose of this phase 4, multicentre, single-arm, observational, open-label trial was to provide additional data on the safety and efficacy of nelarabine under licensed conditions of use in children and young adults ≤21 years of age. Patients (N = 28) had a mean ± standard deviation age of 11·5 ± 4·6 years; 71% were male and 61% had a diagnosis of T-ALL...
August 2, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28771662/neurotoxic-side-effects-in-children-with-refractory-or-relapsed-t-cell-malignancies-treated-with-nelarabine-based-therapy
#11
Michaela Kuhlen, Kirsten Bleckmann, Anja Möricke, Martin Schrappe, Simon Vieth, Gabriele Escherich, Annika Bronsema, Annika Vonalt, Manon Queudeville, C Michel Zwaan, Martin Ebinger, Klaus-Michael Debatin, Thomas Klingebiel, Ewa Koscielniak, Claudia Rossig, Birgit Burkhardt, Reinhard Kolb, Cornelia Eckert, Arndt Borkhardt, Arend von Stackelberg, Christiane Chen-Santel
The prognosis in children with refractory or relapsed (r/r) T-cell acute lymphoblastic leukaemia (T-ALL) or lymphoblastic lymphoma (T-LBL) is poor. Nelarabine (Ara-G) has successfully been used as salvage therapy in these children, but has been associated with significant, even fatal, neurotoxicities. We retrospectively analysed 52 patients with r/r T-ALL/T-LBL aged ≤19 years who were treated with Ara-G alone (n = 25) or in combination with cyclophosphamide and etoposide (n = 27). The majority of patients (45/52) received 1-2 cycles of Ara-G...
August 2, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28752543/exonal-switch-down-regulates-the-expression-of-cd5-on-blasts-of-acute-t-cell-leukemia
#12
Ambak Kumar Rai, Amar Singh, Ankit Saxena, Tulika Seth, Vinod Raina, Dipendra Kumar Mitra
CD5 expression and its role in acute T cell lymphoblastic leukemia (T-ALL) have not been elaborately studied so far. We observed a significant reduction in surface expression of CD5 (sCD5) on leukemic T cells compared to autologous non-leukemic T cells. In this study, we have shown the molecular mechanism regulating the expression and function of CD5 on leukemic T cells. Total 250 numbers of patients suffering from leukemia and lymphoma were immunophenotyped. Final diagnosis was based on their clinical presentation, morphological data and flowcytometry based immunophenotyping...
July 28, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28744086/differentiation-of-secondary-involvement-of-the-breast-by-lymphoreticular-malignancy-from-fibroadenoma-using-ultrasound-elastography-a-report-of-two-cases
#13
Eren Abdulkadir, Ertan Gulhan, Sila Ulus
Extramedullary lymphoma infiltration of the breast by lymphoblastic lymphoma is very rare and most cases are of B-cell lineage; T-cell neoplasms represent less than 10% of all breast lymphomas. Here, we report one patient with lymphoblastic lymphoma and one patient with leukemia, who have similar lesions in breasts with different ultrasound elastography findings. Ultrasound-guided tru-cut biopsies were performed and the first lesion was confirmed as lymphoma infiltration and the second as fibroadenoma. In cases of breast mass presence in patients with a history of hematologic malignancies such as lymphoma or leukemia, breast infiltration should be kept in mind...
April 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28733763/predictive-value-of-18-f-fdg-pet-ct-in-adults-with-t-cell-lymphoblastic-lymphoma-post-hoc-analysis-of-results-from-the-graall-lysa-llo3-trial
#14
Stéphanie Becker, Thomas Vermeulin, Anne-Ségolène Cottereau, Nicolas Boissel, Pierre Vera, Stéphane Lepretre
PURPOSE: We examined whether FDG PET can be used to predict outcome in patients with lymphoblastic lymphoma (LL). METHODS: This was a retrospective post hoc analysis of data from the GRAAL-LYSA LL03 trial, in which the treatment of LL using an adapted paediatric-like acute lymphoblastic leukaemia protocol was evaluated. PET data acquired at baseline and after induction were analysed. Maximum standardized uptake values (SUVmax), total metabolic tumour volume and total lesion glycolysis were measured at baseline...
July 21, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28723644/fir-haplodeficiency-promotes-splicing-to-pyruvate-kinase-m2-in-mice-thymic-lymphoma-tissues-revealed-by-six-plex-tandem-mass-tag-quantitative-proteomic-analysis
#15
Asako Kimura, Kouichi Kitamura, Guzhanuer Ailiken, Mamoru Satoh, Toshinari Minamoto, Nobuko Tanaka, Fumio Nomura, Kazuyuki Matsushita
The switch of pyruvate kinase (PK) M1 to PKM2 is pivotal for glucose metabolism in cancers. The PKM1/M2 shift is controlled by the alternative splicing of two mutually exclusive exons in the PKM gene. PKM1 is expressed in differentiated tissues, whereas PKM2 is expressed in cancer tissues. This study revealed that the haplodeficiency of FUSE-binding protein (FBP)-interacting repressor (FIR), a transcriptional repressor of the c-myc gene, contributed to the splicing of PKM1 to PKM2 in mice thymic lymphoma and/or T-cell type acute lymphoblastic leukemia (T-ALL) using six-plex tandem mass tag (TMT) quantitative proteomic analysis...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28718205/bcl-2-maturation-pattern-in-t-cells-distinguishes-thymic-neoplasm-hyperplasia-t-lymphoblastic-lymphoma-and-reactive-lymph-nodes
#16
Nicholas Ward, Junaid Baqai, Alexandra Zehnpfennig, Nancy Fine, James Huang, Marc D Smith
Anterior mediastinal biopsies consisting predominantly of small lymphocytes can be a diagnostic challenge, especially in small core biopsies. In these cases, immunophenotyping is often employed using flow cytometry, and/or immunohistochemistry. However, due the overlap in T-cell phenotype between thymic neoplasm/hyperplasia (THY), T lymphoblastic lymphoma (T-LBL) and reactive lymph nodes (RLN), biopsies consisting predominantly of T-cells may still be difficult to differentiate. Previous studies have shown a specific CD3/bcl-2 staining pattern in thymic T cells of humans and mice using flow cytometry...
July 17, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28698860/genomic-profiling-of-chronic-myelogenous-leukemia-basic-and-clinical-approach
#17
REVIEW
Aliasghar Keramatinia, Alireza Ahadi, Mohammad Esmaeil Akbari, Maryam Mohseny, Alireza Mosavi Jarahi, Narjes Mehrvar, Neda Mansouri, S A Mortazavi Tabatabaei, Abolfazl Movafagh
Chronic myeloid leukemia (CML) is a hematological stem cell cancer driven by BCR-ABL1 fusion protein. We review the previous and recent evidence on the significance of CML in diagnostic and clinic management. The technical monitoring of BCR-ABL1 with quantitative real time-PCR has been used in assessing patient outcome. The cytogenetic mark of CML is Philadelphia chromosome, that is formed by reciprocal chromosomal translocations between human chromosome 9 and 22, t(9:22) (q(34):q(11)). It makes a BCR-ABL1 fusion protein with an anomaly tyrosine kinase activity that promotes the characteristic proliferation of progenitor cells in CML and acute lymphoblastic lymphoma...
June 2017: Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28670499/wnt-signaling-pathway-protein-lef1-in-cancer-as-a-biomarker-for-prognosis-and-a-target-for-treatment
#18
REVIEW
Larion Santiago, Garrett Daniels, Dongwen Wang, Fang-Ming Deng, Peng Lee
Transcription factors are regulatory proteins that either activate or repress the transcription of genes via binding to DNA regulatory sequences and regulating recruitment of transcriptional complexes. Lymphoid enhancer-binding factor 1 (LEF1), a member of the T-cell Factor (TCF)/LEF1 family of high-mobility group transcription factors, is a downstream mediator of the Wnt/β-catenin signaling pathway, but can also modulate gene transcription independently. LEF1 is essential in stem cell maintenance and organ development, especially in its role in epithelial-mesenchymal transition (EMT) by activating the transcription of hallmark EMT effectors including N-Cadherin, Vimentin, and Snail...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28670078/b-lymphoblastic-lymphoma-of-the-rectum
#19
Puthillathu Unnikrishnan, Geetha Narayanan, Bhavya S Kumar, Nandini Devi
Lymphoblastic lymphoma is a neoplasm of immature cells committed to the B-cell or T-cell lineage. B-lymphoblastic lymphoma usually involves lymph nodes and extranodal sites, such as the skin, bone, and soft tissue. The rectum is a very rare site of involvement in B-lymphoblastic lymphoma. We describe a 26-year-old man who presented with bleeding per rectum and fecal incontinence. Endoscopy showed a large nodular friable lesion narrowing the entire rectal lumen. Biopsy was diagnostic of B-lymphoblastic lymphoma...
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28660709/patient-characteristics-prognostic-factors-and-outcome-of-dogs-with-high-grade-primary-mediastinal-lymphoma
#20
E L Moore, W Vernau, R B Rebhun, K A Skorupski, J H Burton
The goals of this retrospective study were to determine the patient characteristics of dogs with high-grade primary mediastinal lymphoma and to determine outcome and associated prognostic factors. A total of 42 dogs were identified, in which 36 received treatment and had follow-up information available. The most common clinical signs included lethargy, anorexia and polyuria/polydipsia. Hypercalcemia and pleural effusion were common findings at diagnosis. The phenotype was almost exclusively T-cell, most often in association with lymphoblastic cytomorphology as defined by the World Health Organization (WHO) lymphoma classification scheme...
June 28, 2017: Veterinary and Comparative Oncology
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