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Lymphocytic leukemia

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https://www.readbyqxmd.com/read/28821905/-erratum-to-chronic-lymphocytic-leukemia-treatment-concepts-in-transition
#1
B Eichhorst, M Hallek
No abstract text is available yet for this article.
August 18, 2017: Der Internist
https://www.readbyqxmd.com/read/28816796/intrathecal-infusion-of-haploidentical-nondonor-lymphocytes-for-central-nervous-system-leukemic-relapse-after-haploidentical-hematopoietic-stem-cell-transplantation
#2
Azusa Mayumi, Akihisa Sawada, Aya Ioi, Kohei Higuchi, Mariko Shimizu, Maho Sato, Masahiro Yasui, Masami Inoue
Leukemic relapse in the central nervous system (CNS) after conventional treatment is associated with a poor prognosis. The effectiveness and safety of IV infusion of human leukocyte antigen (HLA)-mismatched lymphocytes for leukemia, and intrathecal (IT) infusion of HLA-mismatched lymphocytes for cerebrospinal fluid (CSF) dissemination of medulloblastoma have been reported. A 13-year-old girl (HLA-A31) was diagnosed as relapsing from Philadelphia chromosome-positive acute leukemia in the CNS after receiving chemotherapy, tyrosine kinase inhibitors, haploidentical hematopoietic stem cell transplantation (HSCT) from her father (HLA-A31), and craniospinal irradiation...
August 14, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28812528/acute-leukemia-in-horses
#3
Carina J Cooper, Stefan M Keller, Luis G Arroyo, Joanne Hewson, Daniel Kenney, Dorothee Bienzle
Leukemia is broadly divided into acute and chronic lymphocytic and myeloid types based on the proportion of blasts, morphology of cells, and expression of specific antigens on neoplastic cells. Classifying leukemia in horses can be challenging if blasts predominate and since few antibodies to identify cell types are available. The objective of this study was to describe in detail the clinical and pathologic features of acute leukemia in horses. Twelve horses ranging from 0.2 to 25.9 years of age were diagnosed with acute leukemia...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28811973/nk-cell-dysfunction-in-chronic-lymphocytic-leukemia-is-associated-with-loss-of-the-mature-cells-expressing-inhibitory-killer-cell-ig-like-receptors
#4
Alexander W MacFarlane, Mowafaq Jillab, Mitchell R Smith, R Katherine Alpaugh, Marion E Cole, Samuel Litwin, Michael M Millenson, Tahseen Al-Saleem, Adam D Cohen, Kerry S Campbell
A prospective analysis of natural killer (NK) cell phenotype and function was performed on fresh peripheral blood samples from untreated patients with B-cell chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL). Compared to healthy controls, CD56(dim) NK cells in CLL patients displayed reduced expression of the NKG2D activating receptor and increased CD27 expression, which indicates declines in mature cells. In addition, NK cells from CLL patients showed reduced degranulation responses toward transformed B cells alone or with rituximab and were more sensitive to activation-induced cell death...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28810561/cytotoxic-t-lymphocytes-promote-cytarabine-induced-acute-myeloid-leukemia-cell-apoptosis-via-inhibiting-bcl-2-expression
#5
Rui Deng, Fang-Yi Fan, Hai Yi, Li Fu, Yan Zeng, Yi Wang, Xiao-Juan Miao, Yan-Rong Shuai, Guang-Cui He, Yi Su
Acute myeloid leukemia (AML) remains difficult to cure due to its drug tolerance and refractoriness. Immunotherapy is a growing area of cancer research, which has been applied for the treatment of numerous types of cancer, including leukemia. The present study generated AML cell-specific cytotoxic T lymphocytes (CTLs) in vitro and investigated the effect of combining CTL treatment with one of the most commonly used drugs for the treatment of hematological malignancies, cytarabine, on AML cell apoptosis. Firstly, it was observed that monocyte-depleted peripheral blood lymphocytes from healthy donors could be used to generate large numbers of CD3(+)CD8(+) CTLs through immune stimulation...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810332/-study-on-the-expression-of-trip13-mrna-in-chronic-lymphocytic-leukemia-b-lymphocyte-and-the-molecular-mechanism-of-trip13-mediated-jvm-2-cell-proliferation-and-apoptosis
#6
K S Zhou, Q Zhang, W T Zhang, Y Y Liu, S S Wu, J Zhou, X D Wei, Y P Song
Objective: To investigate the clinical significance of expression level of thyroid hormone receptor interactors 13 (TRIP13) gene to probe its function and downstream molecular mechanism in chronic lymphocytic leukemia (CLL) . Methods: Real-time quantitative PCR method was used to detect the expression levels of TRIP13 mRNA of CD19(+) B lymphocytes in 30 cases of patients with CLL and 12 cases of peripheral blood hematopoietic stem cell donors (normal control group) . Lentivirus mediated shRNA was used to interference the mRNA and TRIP13 protein in CLL cells JVM-2...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28808483/therapeutic-immune-monitoring-of-cd4-cd25-t-cells-in-chronic-myeloid-leukemia-patients-treated-with-tyrosine-kinase-inhibitors
#7
Ziyuan Lu, Na Xu, Xuan Zhou, Guanlun Gao, Lin Li, Jixian Huang, Yuling Li, Qisi Lu, Bolin He, Chengyun Pan, Xiaoli Liu
Tyrosine kinase inhibitors (TKIs), including imatinib, dasatinib and nilotinib, are effective forms of therapy for various types of solid cancers and Philadelphia chromosome-positive (Ph(+)) chronic myeloid leukemia. A number of TKIs have been known to have strong effects on T cells, particularly cluster of differentiation (CD) 4(+)CD25(+) T cells, also known as regulatory T cells (Tregs). There is currently a deficit in the available clinical data regarding this area of study. In the present study, a total of 108 peripheral blood samples were collected from patients with chronic myeloid leukemia (CML) at diagnosis (n=31), and at 3 and 6 months following treatment with TKI [imatinib (n=12), dasatinib (n=11) and nilotinib groups (n=8)] and healthy controls (n=15)...
August 2017: Oncology Letters
https://www.readbyqxmd.com/read/28808046/car-t-cells-drive-cll-remissions
#8
(no author information available yet)
A new study shows that chimeric antigen receptor T cells produce objective responses in 71% of patients with chronic lymphocytic leukemia whose disease progressed despite receiving ibrutinib or who are unable to tolerate the drug. Cancer cells were undetectable in the bone marrow in 81% of tested patients, and 64% of tested patients showed complete lymph node responses. Most patients experienced adverse effects, however.
August 14, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28805662/clinical-and-immunological-responses-after-cd30-specific-chimeric-antigen-receptor-redirected-lymphocytes
#9
Carlos A Ramos, Brandon Ballard, Huimin Zhang, Olga Dakhova, Adrian P Gee, Zhuyong Mei, Mrinalini Bilgi, Meng-Fen Wu, Hao Liu, Bambi Grilley, Catherine M Bollard, Bill H Chang, Cliona M Rooney, Malcolm K Brenner, Helen E Heslop, Gianpietro Dotti, Barbara Savoldo
BACKGROUND: Targeting CD30 with monoclonal antibodies in Hodgkin lymphoma (HL) and anaplastic large cell lymphoma (ALCL) has had profound clinical success. However, adverse events, mainly mediated by the toxin component of the conjugated antibodies, cause treatment discontinuation in many patients. Targeting CD30 with T cells expressing a CD30-specific chimeric antigen receptor (CAR) may reduce the side effects and augment antitumor activity. METHODS: We conducted a phase I dose escalation study in which 9 patients with relapsed/refractory HL or ALCL were infused with autologous T cells that were gene-modified with a retroviral vector to express the CD30-specific CAR (CD30...
August 14, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28804660/large-granular-lymphocytic-leukemia-a-report-of-response-to-rituximab
#10
Uroosa Ibrahim, Sara Parylo, Shiksha Kedia, Shafinaz Hussein, Jean Paul Atallah
Large granular lymphocytic (LGL) leukemia is a rare form of low grade leukemia characterized by large cytotoxic T cells or natural killer cells on morphological examination. Immunosuppressive therapy is employed as first-line therapy. Treatment options in refractory cases include the anti-CD52 antibody alemtuzumab and purine analogues. We report a rare case that responded to the anti-CD20 monoclonal antibody rituximab. A 77-year-old female presented with complaints of fatigue, fever, and chills of 3 months' duration...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28803824/the-clinical-spectrum-of-hepatic-manifestations-in-chronic-lymphocytic-leukemia
#11
REVIEW
Natalia Kreiniz, Ofrat Beyar Katz, Aaron Polliack, Tamar Tadmor
Chronic lymphocytic leukemia (CLL) is the most common leukemia in the Western world, characterized by the presence of long-lived circulating leukemic cells in the peripheral blood that may infiltrate all organs, particularly those of the reticulo-endothelial system. Liver enlargement and elevation of liver enzymes related to specific involvement by the underlying disease are well-recognized features in these patients. In CLL, the differential diagnosis of liver disorders is broad and includes liver infiltration by leukemic cells, immunologic manifestations associated with CLL, primary and secondary hepatic malignancies, drug-induced hepatotoxicity, infections, and Richter transformation...
July 23, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28802906/pathways-towards-indolent-b-cell-lymphoma-etiology-and-therapeutic-strategies
#12
REVIEW
Michiel van den Brand, Blanca Scheijen, Corine J Hess, J Han Jm van Krieken, Patricia J T A Groenen
Although patients with indolent B-cell lymphomas have a relatively good survival rate, conventional chemotherapy is not curative. Disease courses are typically characterized by multiple relapses and progressively shorter response duration with subsequent lines of therapy. There has been an explosion of innovative targeted agents in the past years. This review discusses current knowledge on the etiology of indolent B-cell lymphomas with respect to the role of micro-organisms, auto-immune diseases, and deregulated pathways caused by mutations...
August 5, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28802891/time-to-second-line-treatment-and-subsequent-relative-survival-in-older-patients-with-relapsed-chronic-lymphocytic-leukemia-small-lymphocytic-lymphoma
#13
Eric M Ammann, Tait D Shanafelt, Melissa C Larson, Kara B Wright, Bradley D McDowell, Brian K Link, Elizabeth A Chrischilles
BACKGROUND: Novel targeted therapies offer excellent short-term outcomes in patients with chronic lymphocytic leukemia and small lymphocytic lymphoma (CLL/SLL). However, there is disagreement over how widely these therapies should be used in place of standard chemo-immunotherapy (CIT). We investigated whether stratification on the length of the interval between first-line (T1) and second-line (T2) treatments could identify a subgroup of older patients with relapsed CLL/SLL with an expectation of normal overall survival, and for whom CIT could be an acceptable treatment choice...
July 19, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28798068/consolidation-treatment-with-lenalidomide-following-front-line-or-salvage-chemoimmunotherapy-in-chronic-lymphocytic-leukemia
#14
Paolo Strati, Michael J Keating, Jan A Burger, Susan M O'Brien, William G Wierda, Zeev Estrov, Gracy Zacharian, Alessandra Ferrajoli
No abstract text is available yet for this article.
August 10, 2017: Haematologica
https://www.readbyqxmd.com/read/28797620/extended-follow-up-of-patients-treated-with-bendamustine-for-lymphoid-malignancies
#15
Mara Penne, Maryam Sarraf Yazdy, Kruti Sheth Nair, Bruce D Cheson
INTRODUCTION: Bendamustine, typically in combination with rituximab, is an effective treatment for chronic lymphocytic leukemia (CLL) and B-cell non-Hodgkin lymphoma. Despite its acceptable short-term toxicity profile, long-term toxicities are less well established. This study investigated the long-term adverse effects of bendamustine and responses to subsequent treatments. PATIENTS AND METHODS: Charts of 194 patients were retrospectively reviewed; 54% had received prior treatment (76% attained complete response [CR] or partial response [PR])...
June 30, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28795871/wendtner-c-m-and-gregor-m-current-perspectives-on-the-role-of-chemotherapy-in-chronic-lymphocytic-leukemia-leuk-lymphoma-2017-http-dx-doi-org-10-1080-10428194-2017-1330474
#16
(no author information available yet)
No abstract text is available yet for this article.
August 10, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28794504/promoter-hypermethylation-of-bcl11b-gene-correlates-with-downregulation-of-gene-transcription-in-ankylosing-spondylitis-patients
#17
J Karami, M Mahmoudi, A Amirzargar, M Gharshasbi, A Jamshidi, S Aslani, M H Nicknam
Methylation of DNA is one of the important regulatory mechanisms of gene transcription. B-cell chronic lymphocytic leukemia/lymphoma 11B (BCL11B) plays a key role in the development, proliferation, differentiation, and survival of T cells. The aim of this study was to evaluate promoter methylation of BCL11B gene and its mRNA level in peripheral blood mononuclear cells (PBMCs) of ankylosing spondylitis (AS) patients in relation to healthy controls and evaluate their correlation with diseases clinical indices...
August 10, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/28791248/an-unusual-presentation-of-chronic-lymphocytic-leukemia
#18
Dinesh Atwal, Mihir Raval, Belal Firwana, Jeanette Ramos, Appalanaidu Sasapu
Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is a B-cell lymphocytic neoplasm with indolent clinical course. If identified early, observation is opted. Many variables lead to the initiation of treatment. Authors describe a 62-year-old male presenting with shortness of breath and found to have white cell count of 1360 × 10(9)/L and subsequently was diagnosed with CLL/SLL. The patient received leukapheresis along with tumor lysis treatment and systemic chemotherapy with fludarabine, cyclophosphamide, and rituximab regimen...
July 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28791218/cytomegalovirus-induced-hemophagocytic-lymphocytic-histiocytosis-in-two-pediatric-patients-with-acute-lymphoblastic-leukemia
#19
Benjamin Waddell, Chris Belcher, Emily Willey
Hemophagocytic lymphohistiocytosis (HLH) is a rare inflammatory condition with tissue destruction due to abnormal immune activation. We present a series of 2 cases of cytomegalovirus-induced HLH in children during maintenance chemotherapy for acute lymphoblastic leukemia. These cases emphasize the importance of considering secondary HLH in this high-risk subset of pediatric patients.
2017: IDCases
https://www.readbyqxmd.com/read/28791187/ibrutinib-treatment-of-mantle-cell-lymphoma-relapsing-at-central-nervous-system-a-case-report-and-literature-review
#20
Donato Mannina, Barbara Loteta
Mantle cell lymphoma (MCL) accounts for about 5% of all lymphomas. Its clinical and histological features are heterogeneous. After a frequently good initial response, the disease generally and repeatedly relapses and finally the outcome is poor. Particularly severe is the prognosis of the rare occurrence of CNSi (Central Nervous System involvement). Ibrutinib, an oral inhibitor of Bruton tyrosine kinase (BTK), has shown strong activity in relapsing patients with Chronic Lymphocytic Leukemia (CLL) and MCL. Few reports are available about treatment with ibrutinib of patients presenting CNSi by lymphoproliferative diseases (LPD)...
2017: Case Reports in Hematology
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