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Acute lymphocytic leukemia

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https://www.readbyqxmd.com/read/27914102/examining-temporal-effects-on-cancer-risk-in-the-international-nuclear-workers-study-inworks
#1
Robert D Daniels, Stephen J Bertke, David B Richardson, Elisabeth Cardis, Michael Gillies, Jacqueline A O'Hagan, Richard Haylock, Dominique Laurier, Klervi Leuraud, Monika Moissonnier, Isabelle Thierry-Chef, Ausrele Kesminiene, Mary K Schubauer-Berigan
The paper continues the series of publications from the International Nuclear Workers Study cohort (INWORKS) that comprises 308,297 workers from France, the United Kingdom and the United States, providing 8.2 million person-years of observation from a combined follow-up period (at earliest 1944 to at latest 2005). These workers' external radiation exposures were primarily to photons, resulting in an estimated average career absorbed dose to the colon of 17.4 milligray. The association between cumulative ionizing radiation dose and cancer mortality was evaluated in general relative risk models that describe modification of the excess relative risk (ERR) per gray (Gy) by time since exposure and age at exposure...
December 3, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27910030/recurrent-cytogenetic-abnormalities-in-non-hodgkin-s-lymphoma-and-chronic-lymphocytic-leukemia
#2
Edmond S K Ma
Characteristic chromosomal translocations are found to be associated with subtypes of B-cell non-Hodgkin lymphoma (NHL), for example t(8;14)(q24;q32) and Burkitt lymphoma, t(14;18)(q32;q21) and follicular lymphoma, and t(11;14)(q13;q32) in mantle cell lymphoma. Only few recurrent cytogenetic aberrations have been identified in the T-cell NHL and the best known is the ALK gene translocation t(2;5)(p23;q35) in anaplastic large cell lymphoma. Since lymph node or other tissue is seldom submitted for conventional cytogenetics study, alternative approaches for translocation detection are polymerase chain reaction (PCR) or fluorescence in situ hybridization (FISH)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910003/bone-marrow-t-cell-percentage-a-novel-prognostic-indicator-in-acute-myeloid-leukemia
#3
Manar M Ismail, Nahla A B Abdulateef
Acute myeloid leukemia (AML) is an aggressive malignancy for which overall disease-free survival is less than 50%. Manipulation of the immune system is an interesting and promising therapy for AML patients. We aimed to characterize the immune system of AML patients, highlighting the clinical relevance of total bone marrow (BM) lymphocytes and subpopulations. Sixty-six new AML cases diagnosed according to WHO criteria from King Abdullah Medical City, KSA, from October 2012 to February 2015. Analysis of BM lymphocytes and subpopulations was done by flowcytometry...
December 1, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27905140/herpes-simplex-infection-simulating-richter-transformation-a-series-of-four-cases-and-review-of-the-literature
#4
Alireza Salem, Sanam Loghavi, Joseph D Khoury, Rose Lou Marie C Agbay, Jeffrey L Jorgensen, Jeffrey L Medeiros
AIMS: Richter transformation (RT) occurs in 5-10% of patients with chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) and is associated with a poor outcome. Histologic manifestations of RT are variable and include an increase in the proportion of large cells including prolymphocytes, immunoblasts and other pleomorphic cells along with an increased proliferation rate and often necrosis. Rarely, superimposed Herpes simplex virus (HSV) infection involving lymph nodes in patients with CLL/SLL may mimic RT clinically and histologically...
December 1, 2016: Histopathology
https://www.readbyqxmd.com/read/27903673/combining-anti-mir-155-with-chemotherapy-for-the-treatment-of-lung-cancers
#5
Katrien Van Roosbroeck, Francesca Fanini, Tetsuro Setoyama, Cristina Ivan, Cristian Rodriguez-Aguayo, Enrique Fuentes-Mattei, Lianchun Xiao, Ivan Vannini, Roxana Redis, Lucilla D'Abundo, Xinna Zhang, Milena S Nicoloso, Simona Rossi, Vianey Gonzalez-Villasana, Rajesha Rupaimoole, Manuela Ferracin, Fortunato Morabito, Antonino Neri, Peter Ruvolo, Vivian R Ruvolo, Chad V Pecot, Dino Amadori, Lynne Aruzzo, Steliana Calin, Xuemei Wang, M James You, Alessandra Ferrajoli, Robert Z Orlowski, William Plunkett, Tara Lichtenberg, Ramana V Davuluri, Ioana Berindan-Neagoe, Massimo Negrini, Ignacio I Wistuba, Kantarjian Hagop, Anil K Sood, Gabriel Lopez-Berestein, Michael J Keating, Muller Fabbri, George A Calin
Purpose The oncogenic miR-155 is upregulated in many human cancers and its expression is increased in more aggressive and therapy resistant tumors, but the molecular mechanisms underlying miR-155-induced therapy resistance are not fully understood. The main objectives of this study were to determine the role of miR-155 in resistance to chemotherapy and to evaluate anti-miR-155 treatment to chemosensitize tumors. Experimental Design We performed in vitro studies on cell lines to investigate the role of miR-155 in therapy resistance...
November 30, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27899526/dynamic-pre-bcr-homodimers-fine-tune-autonomous-survival-signals-in-b-cell-precursor-acute-lymphoblastic-leukemia
#6
M Frank Erasmus, Ksenia Matlawska-Wasowska, Ichiko Kinjyo, Avanika Mahajan, Stuart S Winter, Li Xu, Michael Horowitz, Diane S Lidke, Bridget S Wilson
The pre-B cell receptor (pre-BCR) is an immature form of the BCR critical for early B lymphocyte development. It is composed of the membrane-bound immunoglobulin (Ig) heavy chain, surrogate light chain components, and the signaling subunits Igα and Igβ. We developed monovalent quantum dot (QD)-labeled probes specific for Igβ to study the behavior of pre-BCRs engaged in autonomous, ligand-independent signaling in live B cells. Single-particle tracking revealed that QD-labeled pre-BCRs engaged in transient, but frequent, homotypic interactions...
November 29, 2016: Science Signaling
https://www.readbyqxmd.com/read/27893466/cd30-expression-is-rare-in-myeloid-leukemia-cutis-a-study-of-55-cases-and-implications-for-routine-diagnostic-algorithms
#7
Olakunle Ogunrinade, David Terrano, April Chiu, Melissa Pulitzer
Expression of CD30 in blastoid cutaneous infiltrates typically signifies a CD30 lymphoproliferative disorder, often requiring minimal immunohistochemical workup, if clinically consonant. However, myeloid and other hematologic malignancies often express CD30. We retrospectively examined the prevalence of CD30 expression in 41 patients (median age 59) and 55 biopsies with the diagnosis of leukemia cutis (LC) to determine whether an extensive immunohistochemical workup is warranted in all large, round cell CD30 cutaneous infiltrates...
November 22, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27893163/sorafenib-and-azacitidine-as-salvage-therapy-for-relapse-of-flt3-itd-mutated-aml-after-allo-sct
#8
Christina Rautenberg, Kathrin Nachtkamp, Ariane Dienst, Pia Verena Schmidt, Claudia Heyn, Mustafa Kondakci, Ulrich Germing, Rainer Haas, Guido Kobbe, Thomas Schroeder
OBJECTIVE: Patients with acute myeloid leukemia (AML) carrying FLT3-ITD mutations (FLT3-ITD+) who relapse after allogeneic 3transplantation (allo-SCT) have a very dismal prognosis with the currently available treatment options. METHODS: We treated 8 patients with FLT3-ITD+ AML who had relapsed in median 91 days (range, 28 - 249) following allo-SCT with a combination of the multikinase inhibitor Sorafenib and the DNA methyltransferase inhibitor Azacitidine (Aza)...
November 28, 2016: European Journal of Haematology
https://www.readbyqxmd.com/read/27890259/how-important-is-nk-alloreactivity-and-kir-in-allogeneic-transplantation
#9
REVIEW
Brian C Shaffer, Katharine C Hsu
Relapse of acute myelogenous leukemia (AML) after allogeneic hematopoietic cell transplantation (allo HCT) is a major cause of death in transplant recipients. Efforts to control relapse by promoting donor T-cell alloreactivity, such as withdrawal of immune suppression or donor lymphocyte infusions, are limited by the propensity to induce graft versus host disease (GVHD) and by inadequate efficacy. Therefore, options for AML patients who have relapsed AML after allo HCT are few and outcomes are poor. Similar to T-cells, natural killer (NK) cells have potent anti-leukemia effector capacity, and yet unlike T-cells, NK cells do not mediate GVHD...
December 2016: Best Practice & Research. Clinical Haematology
https://www.readbyqxmd.com/read/27880933/immunological-effects-of-nilotinib-prophylaxis-after-allogeneic-stem-cell-transplantation-in-patients-with-advanced-chronic-myeloid-leukemia-or-philadelphia-chromosome-positive-acute-lymphoblastic-leukemia
#10
Nira Varda-Bloom, Ivetta Danylesko, Roni Shouval, Shiran Eldror, Atar Lev, Jacqueline Davidson, Esther Rosenthal, Yulia Volchek, Noga Shem-Tov, Ronit Yerushalmi, Avichai Shimoni, Raz Somech, Arnon Nagler
Allogeneic stem cell transplantation remains the standard treatment for resistant advanced chronic myeloid leukemia and Philadelphia chromosome-positive acute lymphoblastic leukemia. Relapse is the major cause of treatment failure in both diseases. Post-allo-SCT administration of TKIs could potentially reduce relapse rates, but concerns regarding their effect on immune reconstitution have been raised. We aimed to assess immune functions of 12 advanced CML and Ph+ ALL patients who received post-allo-SCT nilotinib...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27880729/lmo2-promotes-tumor-cell-invasion-and-metastasis-in-basal-type-breast-cancer-by-altering-actin-cytoskeleton-remodeling
#11
Ye Liu, Zhaoyang Wang, Di Huang, Chao Wu, Huihui Li, Xin Zhang, Bin Meng, Zongjin Li, Tianhui Zhu, Shuang Yang, Wei Sun
LMO2 is traditionally recognized as a pivotal transcriptional regulator during embryonic hematopoiesis and angionenesis, and its ectopic expression in T lymphocyte progenitors is closely correlated to the onset of acute T lymphocytic leukemia. However, recently studies revealed complicated expression features and dual functions of LMO2 on tumor behaviors in a variety of cancer types, including breast cancers. Basal-type breast cancer is one of the breast cancer subtypes and a prognostically unfavorable subtype among all breast cancers...
November 17, 2016: Oncotarget
https://www.readbyqxmd.com/read/27875673/recent-advances-in-engineered-t-cell-therapies-targeting-b-cell-malignancies
#12
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/27870151/ph-like-acute-lymphoblastic-leukemia-with-a-novel-pax5-kidins220-fusion-transcript
#13
Kenichi Sakamoto, Toshihiko Imamura, Takuyo Kanayama, Mio Yano, Daisuke Asai, Takao Deguchi, Yoshiko Hashii, Akihiko Tanizawa, Yusei Ohshima, Nobutaka Kiyokawa, Keizo Horibe, Atsushi Sato
Although "paired box 5" (PAX5)-related fusion genes are well documented in childhood B-cell precursor acute lymphoblastic leukemia (ALL), these types of fusion with the exception of PAX5-JAK2 are rarely seen in patients with gene expression profiles similar to those of BCR-ABL1 (Philadelphia)-positive ALL (Ph-like ALL). We report a novel fusion of the genes PAX5 and "kinase D-interacting substrate of 220 kDa" (KIDINS220, also known as ARMS) in a Ph-like ALL. As PAX5 is a master regulator of B-lymphocyte differentiation, PAX5 rearrangements induce a differentiation block in B lymphocytes...
November 7, 2016: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/27868373/acute-myeloid-leukemia-in-baraitser-winter-cerebrofrontofacial-syndrome
#14
Paola Cianci, Grazia Fazio, Sara Casagranda, Marco Spinelli, Carmelo Rizzari, Gianni Cazzaniga, Angelo Selicorni
Baraitser-Winter malformation syndrome (BWMS), Fryns-Aftimos syndrome (FA), and craniofrontofacial syndromes (CFFs) have all been recently proposed to be part of the same phenotypic spectrum of Baraitser-Winter cerebrofrontofacial syndrome (BWCFF), which is characterized by facial dysmorphism, ocular coloboma, brain malformations, and intellectual disabilities. In addition to that, the recent discovery of missense mutations in one of the two ubiquitously expressed cytoplasmic β- and γ-acting-encoding genes ACTB (7p22...
November 21, 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27864604/the-long-term-outcome-of-reduced-intensity-allogeneic-stem-cell-transplantation-from-a-matched-related-or-unrelated-donor-or-haploidentical-family-donor-in-patients-with-leukemia-a-retrospective-analysis-of-data-from-the-china-ric-cooperative-group
#15
Chang-Lin Yu, Zheng-Dong, Zhen-Hua Qiao, Jian-Min Wang, Huang-He, Ying-Min Liang, De-Pei Wu, Bao-An Chen, Bai-Hai, Bao-Fu Shi, Wan-Jun Sun, Jun-Xiao Qiao, Mei Guo, Jian-Hui Qiao, Qi-Yun Sun, Kai-Xun Hu, Ya-Jing Huang, Hong-Li Zuo, Xiao-Jun Huang, Hui-Sheng Ai
This study compared 6-year follow-up data from patients undergoing reduced-intensity conditioning (RIC) transplantation with an HLA-matched related donor (MRD), an HLA-matched unrelated donor (MUD), or an HLA-haploidentical donor (HID) for leukemia. Four hundred and twenty-seven patients from the China RIC Cooperative Group were enrolled, including 301 in the MRD, 79 in the HID, and 47 in the MUD groups. The conditioning regimen involved fludarabine combined with anti-lymphocyte globulin and cyclophosphamide...
November 18, 2016: Annals of Hematology
https://www.readbyqxmd.com/read/27851242/1607-acute-lymphocytic-leukemia-relapse-complicated-by-complete-heart-block
#16
Bibek Bista, Sheikh Ahmed
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27834816/targeting-the-tam-receptors-in-leukemia
#17
REVIEW
Madeline G Huey, Katherine A Minson, H Shelton Earp, Deborah DeRyckere, Douglas K Graham
Targeted inhibition of members of the TAM (TYRO-3, AXL, MERTK) family of receptor tyrosine kinases has recently been investigated as a novel strategy for treatment of hematologic malignancies. The physiologic functions of the TAM receptors in innate immune control, natural killer (NK) cell differentiation, efferocytosis, clearance of apoptotic debris, and hemostasis have previously been described and more recent data implicate TAM kinases as important regulators of erythropoiesis and megakaryopoiesis. The TAM receptors are aberrantly or ectopically expressed in many hematologic malignancies including acute myeloid leukemia, B- and T-cell acute lymphoblastic leukemia, chronic lymphocytic leukemia, and multiple myeloma...
November 8, 2016: Cancers
https://www.readbyqxmd.com/read/27833611/activated-allogeneic-nk-cells-preferentially-kill-poor-prognosis-b-cell-chronic-lymphocytic-leukemia-cells
#18
Diego Sánchez-Martínez, Pilar M Lanuza, Natalia Gómez, Aura Muntasell, Elisa Cisneros, Manuela Moraru, Gemma Azaceta, Alberto Anel, Luis Martínez-Lostao, Martin Villalba, Luis Palomera, Carlos Vilches, José A García Marco, Julián Pardo
Mutational status of TP53 together with expression of wild-type (wt) IGHV represents the most widely accepted biomarkers, establishing a very poor prognosis in B-cell chronic lymphocytic leukemia (B-CLL) patients. Adoptive cell therapy using allogeneic HLA-mismatched Natural killer (NK) cells has emerged as an effective and safe alternative in the treatment of acute myeloid and lymphoid leukemias that do not respond to traditional therapies. We have described that allogeneic activated NK cells eliminate hematological cancer cell lines with multidrug resistance acquired by mutations in the apoptotic machinery...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27830541/achievement-of-disease-control-with-donor-derived-eb-virus-specific-cytotoxic-t-cells-after-allogeneic-peripheral-blood-stem-cell-transplantation-for-aggressive-nk-cell-leukemia
#19
Shojiro Haji, Motoaki Shiratsuchi, Takamitsu Matsushima, Akiko Takamatsu, Mariko Tsuda, Yasuhiro Tsukamoto, Emi Tanaka, Hirofumi Ohno, Eriko Fujioka, Yuriko Ishikawa, Ken-Ichi Imadome, Yoshihiro Ogawa
Aggressive NK-cell leukemia (ANKL) is characterized by systemic infiltration of Epstein-Barr virus (EBV)-associated natural killer cells and poor prognosis. We report a case of ANKL in which EBV-specific cytotoxic T lymphocytes (CTLs) were induced. A 41-year-old male suffered from fever, pancytopenia, and hepatosplenomegaly. The number of abnormal large granular lymphocytes in the bone marrow was increased and the cells were positive for CD56 and EBV-encoded small nuclear RNAs. The patient was diagnosed with ANKL and achieved a complete response following intensive chemotherapy...
November 9, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27824644/rapid-fatal-acute-peripheral-t-cell-lymphoma-associated-with-igg-plasma-cell-leukemia-and-iga-hypergammaglobulinemia
#20
Nives Jonjić, Irena Seili Bekafigo, Dora Fučkar Čupić, Ksenija Lučin, Antica Duletić Načinović, Toni Valković
Simultaneous occurrence of T-cell and B-cell neoplasms is rare, and etiologic relationships between these 2 malignancies are poorly understood. We describe the case of a 66-year-old woman who was admitted to the hospital because of fever, hemoptysis, lymphadenopathy, and skin rash. Enlarged lymph nodes in axillary, pectoral, paratracheal, and periportal regions as well as slight hepatomegaly and splenomegaly were confirmed. A peripheral blood smear revealed rouleaux formation and numerous circulating plasma cells, with plasmacytoid lymphocytes...
November 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
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