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Acute lymphoide leukemia

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https://www.readbyqxmd.com/read/29150106/reactions-related-to-asparaginase-infusion-in-a-10-year-retrospective-cohort
#1
Amanda Cabral Dos Santos, Marcelo Gerardin Poirot Land, Nathalia Peroni da Silva, Kelly Oliveira Santos, Elisangela da Costa Lima-Dellamora
INTRODUCTION: Although it is an essential component of the treatment of acute lymphoid leukemia in children, asparaginase causes adverse reactions that sometimes make it impossible to use it fully. Hypersensitivity reactions are the most frequent and may lead to early discontinuation of treatment. The present study aimed to investigate suspicions of adverse reactions during the infusion of asparaginase in a pediatric cohort. METHODS: A retrospective observational study was carried out at a university pediatric institute in the state of Rio de Janeiro...
October 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/29149251/parental-age-and-risk-of-lymphoid-neoplasms
#2
Gunnar Larfors, Ingrid Glimelius, Sandra Eloranta, Karin E Smedby
High parental age at childbirth has repeatedly been linked to childhood malignancies, while few studies have focused on the offspring's risk of adult cancer. In this population-based case-control study, we identified 32,000 patients with lymphoid neoplasms, diagnosed at ages 0-79 years during the period 1987-2011, and 160,000 matched controls in Sweden. Using prospectively registered data on their first-degree relatives, we evaluated the impact of parental age on the risk of lymphoid neoplasms by subtype. Overall, each 5-year increment in maternal age was associated with a 3% increase in incidence of offspring lymphoid neoplasms (hazard ratio = 1...
November 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29136183/glyphosate-use-and-cancer-incidence-in-the-agricultural-health-study
#3
Gabriella Andreotti, Stella Koutros, Jonathan N Hofmann, Dale P Sandler, Jay H Lubin, Charles F Lynch, Catherine C Lerro, Anneclaire J De Roos, Christine G Parks, Michael C Alavanja, Debra T Silverman, Laura E Beane Freeman
Background: Glyphosate is the most commonly used herbicide worldwide, with both residential and agricultural uses. In 2015, the International Agency for Research on Cancer classified glyphosate as "probably carcinogenic to humans," noting strong mechanistic evidence and positive associations for non-Hodgkin lymphoma (NHL) in some epidemiologic studies. A previous evaluation in the Agricultural Health Study (AHS) with follow-up through 2001 found no statistically significant associations with glyphosate use and cancer at any site...
November 9, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29119847/myeloid-lymphoid-neoplasms-with-fgfr1-rearrangement
#4
Paolo Strati, Guilin Tang, Dzifa Y Duose, Saradhi Mallampati, Rajyalakshmi Luthra, Keyur P Patel, Mohammad Hussaini, Abu-Sayeef Mirza, Rami S Komrokji, Stephen Oh, John Mascarenhas, Vesna Najfeld, Vivek Subbiah, Hagop Kantarjian, Guillermo Garcia-Manero, Srdan Verstovsek, Naval Daver
Myeloid/lymphoid neoplasms with FGFR1 rearrangement are a rare entity. We present a multicenter experience of 17 patients with FISH-confirmed FGFR1 rearrangement. The clinical presentation at diagnosis included myeloproliferative neoplasm (MPN) in 4 (24%) patients, acute leukemia (AL) in 7 (41%), and concomitant MPN with AL in 6 (35%). The two most frequently observed cytogenetic abnormalities were t(8;13)(p11.2;q12)(partner gene ZMYM2) and t(8;22)(p11.2; q11.2)(BCR). Seventy-eight percent of tested patients had a RUNX1 mutation, of whom all had AL...
November 9, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29118010/cd38-antibodies-in-multiple-myeloma-back-to-the-future
#5
Niels W C J van de Donk, Paul G Richardson, Fabio Malavasi
CD38 is highly and uniformly expressed on MM cells, and at relatively low levels on normal lymphoid and myeloid cells, and in some tissues of non-hematopoietic origin. CD38 is a transmembrane glycoprotein with ectoenzymatic activity, and also functions as receptor and adhesion molecule. Altogether, this has triggered the development of several CD38 antibodies including daratumumab (fully human), isatuximab (chimeric), and MOR202 (fully human). CD38 antibodies have pleiotropic mechanisms of action including Fc-dependent immune effector mechanisms, direct apoptotic activity, and immunomodulatory effects by the elimination of CD38-positive immunesuppressor cells...
November 8, 2017: Blood
https://www.readbyqxmd.com/read/29092647/inotuzumab-ozogamicin-for-the-treatment-of-acute-lymphoblastic-leukemia
#6
Ariella Tvito, Jacob M Rowe
Acute lymphoblastic leukemia (ALL) is an uncommon disorder that affects about 20% of adults with acute leukemia. Historically, those who relapse from this condition have a dismal prognosis. Recent developments in immunoconjugate usage has changed the landscape of lymphoid B-cell malignancy therapy. One recent development is the FDA approved therapy inotuzumab ozogamicin which has the potential to reduce the overall toxicity of intensive regimens for ALL, as well as to possibly increase the number of patients who may achieve a state of minimal residual disease...
November 1, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29075062/antiproliferative-and-apoptosis-inducing-activities-of-thymoquinone-in-lymphoblastic-leukemia-cell-line
#7
Amin Soltani, Batoul Pourgheysari, Hedayatollah Shirzad, Zahra Sourani
Acute lymphoblastic leukemia is one of the malignant proliferations of lymphoid cells in the early stages of differentiation and accounts for about 80% of all cases of childhood leukemia. Side effects of available treatment are still main concern. Thymoquinone (TQ), a natural compound isolated from Nigella sativa, induces growth inhibition and apoptosis in several cancer cell lines. The aim of the present study was to investigate the effect of TQ alone and in combination with doxorubicine on the proliferation inhibition and apoptosis induction of TQ in a lymphoblastic leukemia cell line...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29072953/mixed-phenotype-acute-leukemia-diagnostic-criteria-and-pitfalls
#8
REVIEW
Nathan J Charles, Daniel F Boyer
Mixed-phenotype acute leukemia (MPAL) is a heterogeneous category in the World Health Organization classification that comprises acute leukemias with discrete admixed populations of myeloid and lymphoid blasts ("bilineal") or with extensive coexpression of lymphoid and myeloid markers in a single blast population ("biphenotypic"). Flow cytometric findings suggestive of MPAL are often met with consternation by pathologists and oncologists alike, owing to unfamiliarity with the disease and uncertainty about how MPAL fits into established paradigms for treatment of acute leukemia...
November 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29067593/jsh-guideline-for-tumors-of-hematopoietic-and-lymphoid-tissues-leukemia-3-acute-lymphoblastic-leukemia-lymphoblastic-lymphoma-all-lbl
#9
Jin Takeuchi, Shigeru Kusumoto, Hideki Akiyama, Yoshinobu Kanda, Koji Izutsu
No abstract text is available yet for this article.
October 24, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/29052781/absolute-lymphocyte-counts-at-end-of-induction-correlate-with-distinct-immune-cell-compartments-in-pediatric-b-cell-precursor-acute-lymphoblastic-leukemia
#10
Nina Rolf, Kinga K Smolen, Amina Kariminia, Adam Velenosi, Mario Fidanza, Caron Strahlendorf, Alix E Seif, Gregor S D Reid
Several retrospective studies in children with B cell precursor (BCP) acute lymphoblastic leukemia (ALL) provided clinical evidence that higher absolute lymphocyte counts (ALC) early into treatment significantly correlated with improved relapse-free and overall survival. It still remains unknown, however, whether the predictive role of higher ALCs reflects general bone marrow recovery or a more specific attribute of immune function. To investigate this question, we implemented a prospective observational cohort study in 20 children with BCP ALL on day 29 (D29) of induction chemotherapy and immunophenotyped their lymphoid (T, B and natural killer cells) and myeloid (neutrophils, monocytes, dendritic cells) compartments...
October 20, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29044676/world-health-organization-defined-eosinophilic-disorders-2017-update-on-diagnosis-risk-stratification-and-management
#11
REVIEW
Jason Gotlib
DISEASE OVERVIEW: The eosinophilias encompass a broad range of nonhematologic (secondary or reactive) and hematologic (primary, clonal) disorders with potential for end-organ damage. DIAGNOSIS: Hypereosinophilia has generally been defined as a peripheral blood eosinophil count greater than 1500/mm(3) and may be associated with tissue damage. After exclusion of secondary causes of eosinophilia, diagnostic evaluation of primary eosinophilias relies on a combination of morphologic review of the blood and marrow, standard cytogenetics, fluorescent in situ-hybridization, flow immunocytometry, and T-cell clonality assessment to detect histopathologic or clonal evidence for an acute or chronic myeloid or lymphoproliferative disorder...
November 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29038614/dna-methylation-events-as-markers-for-diagnosis-and-management-of-acute-myeloid-leukemia-and-myelodysplastic-syndrome
#12
REVIEW
Geórgia Muccillo Dexheimer, Jayse Alves, Laura Reckziegel, Gabrielle Lazzaretti, Ana Lucia Abujamra
During the onset and progression of hematological malignancies, many changes occur in cellular epigenome, such as hypo- or hypermethylation of CpG islands in promoter regions. DNA methylation is an epigenetic modification that regulates gene expression and is a key event for tumorigenesis. The continuous search for biomarkers that signal early disease, indicate prognosis, and act as therapeutic targets has led to studies investigating the role of DNA in cancer onset and progression. This review focuses on DNA methylation changes as potential biomarkers for diagnosis, prognosis, response to treatment, and early toxicity in acute myeloid leukemia and myelodysplastic syndrome...
2017: Disease Markers
https://www.readbyqxmd.com/read/29032268/total-marrow-lymphoid-irradiation-fludarabine-melphalan-conditioning-for-allogeneic-hematopoietic-cell-transplantation
#13
Lindsay G Jensen, Tracey Stiller, Jeffrey Y C Wong, Joycelynne Palmer, Anthony Stein, Joseph Rosenthal
Reduced-intensity conditioning (RIC) regimens for hematopoietic stem cell transplantation (HCT) can reduce morbidity and mortality, but patients with advanced disease may require alternative approaches. In an initial report of RIC with fludarabine (FLU) and melphalan (MEL) with total marrow lymphoid irradiation (TMLI) in HCT for advanced hematologic malignancies in 33 patients, we found that the addition of TMLI to RIC was feasible and safe. Here we report long-term outcomes for these patients. This prospective study included 61 patients treated with TMLI to a dose of 12 Gy (1...
October 12, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29032147/high-bone-marrow-mir-19b-level-predicts-poor-prognosis-and-disease-recurrence-in-de-novo-acute-myeloid-leukemia
#14
Ting-Juan Zhang, Jiang Lin, Jing-Dong Zhou, Xi-Xi Li, Wei Zhang, Hong Guo, Zi-Jun Xu, Yang Yan, Ji-Chun Ma, Jun Qian
Oncogenic role of miR-19 family has been identified in human cancers especially in lymphoid malignancies. However, to date, little studies investigated the role of miR-19 family in myeloid malignancies. Herein, we examined miR-19a/b expression and explored its clinical significance in de novo acute myeloid leukemia (AML). The detection of miR-19a/b expression was performed by real-time quantitative PCR in bone marrow mononuclear cells of 113 patients and 42 healthy donors. Both miR-19a/b levels were significantly increased in AML patients in contrast to controls...
January 15, 2018: Gene
https://www.readbyqxmd.com/read/29025601/a-neoplasm-with-fip1l1-pdgfra-fusion-presenting-as-pediatric-t-cell-lymphoblastic-leukemia-lymphoma-without-eosinophilia
#15
Matthew J Oberley, Christopher Denton, Jianling Ji, Matthew Hiemenz, Deepa Bhojwani, Dejerianne Ostrow, Samuel Wu, Paul Gaynon, Gordana Raca
The 2016 World Health Organization (2016 WHO) classification of hematopoietic malignancies classifies neoplasms with a fusion between the FIP1L1 and PDGFRA genes in 4q12 into a group called "myeloid and lymphoid neoplasms with eosinophilia and abnormalities of PDGFRA, PDGFRB or FGFR1 or with PCM1-JAK2". Neoplasms characterized by this fusion are pluripotent stem cell disorders that can show both myeloid and lymphoid differentiation. They typically occur in adult patients and most are characterized by eosinophilia...
October 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28978828/familial-hematological-malignancies
#16
Shinsuke Hirabayashi, Atsushi Manabe
The World Health Organization (WHO) classification of tumors of the hematopoietic and lymphoid tissues was last updated in 2008. The study of cancer genomes has identified inherited genetic drivers that predispose cancer cells to clonal evolution. The revisions in the categories of myeloid neoplasms and acute leukemia were published as a monograph in 2016. We described familial hematological malignancies using the 2016 edition of the WHO classification.
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/28978065/the-pan-bcl-2-blocker-obatoclax-gx15-070-and-the-pi3-kinase-mtor-inhibitor-bez235-produce-cooperative-growth-inhibitory-effects-in-all-cells
#17
Gabriele Stefanzl, Daniela Berger, Sabine Cerny-Reiterer, Katharina Blatt, Gregor Eisenwort, Wolfgang R Sperr, Gregor Hoermann, Karin Lind, Alexander W Hauswirth, Peter Bettelheim, Heinz Sill, Junia V Melo, Ulrich Jäger, Peter Valent
Acute lymphoblastic leukemia (ALL) is characterized by leukemic expansion of lymphoid blasts in hematopoietic tissues. Despite improved therapy only a subset of patients can be cured. Therefore, current research is focusing on new drug-targets. Members of the BCL-2 family and components of the PI3-kinase/mTOR pathway are critically involved in the regulation of growth and survival of ALL cells. We examined the effects of the pan-BCL-2 blocker obatoclax and the PI3-kinase/mTOR-inhibitor BEZ235 on growth and survival of ALL cells...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28977998/nkl-homeobox-gene-msx1-acts-like-a-tumor-suppressor-in-nk-cell-leukemia
#18
Stefan Nagel, Claudia Pommerenke, Corinna Meyer, Maren Kaufmann, Roderick A F MacLeod, Hans G Drexler
NKL homeobox gene MSX1 is physiologically expressed in lymphoid progenitors and subsequently downregulated in developing T- and B-cells. In contrast, elevated expression levels of MSX1 persist in mature natural killer (NK)-cells, indicating a functional role in this compartment. While T-cell acute lymphoblastic leukemia (T-ALL) subsets exhibit aberrant overexpression of MSX1, we show here that in malignant NK-cells the level of MSX1 transcripts is aberrantly downregulated. Chromosomal deletions at 4p16 hosting the MSX1 locus have been described in NK-cell leukemia patients...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28943878/triplebody-mediates-increased-anti-leukemic-reactivity-of-il-2-activated-donor-natural-killer-nk-cells-and-impairs-viability-of-their-cd33-expressing-nk-subset
#19
Stephan Kloess, Alessa Ede Valverde da Silva, Olaf Oberschmidt, Tanja Gardlowski, Nadine Matthies, Maulik Vyas, Lubomir Arseniev, Michael Heuser, Elke Pogge von Strandmann, Ulrike Köhl
Natural killer cells (NK) are essential for the elimination of resistant acute myeloid and acute lymphoblastic leukemia (AML and ALL) cells. NK cell-based immunotherapies have already successfully entered for clinical trials, but limitations due to immune escape mechanisms were identified. Therefore, we extended our established NK cell protocol by integration of the previously investigated powerful trispecific immunoligand ULBP2-aCD19-aCD33 [the so-called triplebodies (TBs)] to improve the anti-leukemic specificity of activated NK cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28934678/establishment-of-cell-line-with-nk-nkt-phenotype-from-myeloid-nk-cell-acute-leukemia
#20
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...
October 2017: Leukemia Research
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