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Acute myeloid leukaemia

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https://www.readbyqxmd.com/read/27926979/erythropoiesis-stimulating-agents-significantly-delay-the-onset-of-a-regular-transfusion-need-in-nontransfused-patients-with-lower-risk-myelodysplastic-syndrome
#1
H K G Garelius, W T Johnston, A G Smith, S Park, L de Swart, P Fenaux, A Symeonidis, G Sanz, J Čermák, R Stauder, L Malcovati, M Mittelman, A A van de Loosdrecht, C J van Marrewijk, D Bowen, S Crouch, T J M de Witte, E Hellström-Lindberg
BACKGROUND: The EUMDS registry is an unique prospective, longitudinal observational registry enrolling newly diagnosed patients with lower-risk myelodysplastic syndrome (MDS) from 17 European countries from both university hospitals and smaller regional hospitals. OBJECTIVE: The aim of this study was to describe the usage and clinical impact of erythropoiesis-stimulating agents (ESAs) in 1696 patients enrolled between 2008 and 2014. METHODS: The effects of ESAs on outcomes were assessed using proportional hazards models weighting observations by propensity to receive ESA treatment within a subset of anaemic patients with or without a regular transfusion need...
December 7, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27926740/a-17-gene-stemness-score-for-rapid-determination-of-risk-in-acute-leukaemia
#2
Stanley W K Ng, Amanda Mitchell, James A Kennedy, Weihsu C Chen, Jessica McLeod, Narmin Ibrahimova, Andrea Arruda, Andreea Popescu, Vikas Gupta, Aaron D Schimmer, Andre C Schuh, Karen W Yee, Lars Bullinger, Tobias Herold, Dennis Görlich, Thomas Büchner, Wolfgang Hiddemann, Wolfgang E Berdel, Bernhard Wörmann, Meyling Cheok, Claude Preudhomme, Herve Dombret, Klaus Metzeler, Christian Buske, Bob Löwenberg, Peter J M Valk, Peter W Zandstra, Mark D Minden, John E Dick, Jean C Y Wang
Refractoriness to induction chemotherapy and relapse after achievement of remission are the main obstacles to cure in acute myeloid leukaemia (AML). After standard induction chemotherapy, patients are assigned to different post-remission strategies on the basis of cytogenetic and molecular abnormalities that broadly define adverse, intermediate and favourable risk categories. However, some patients do not respond to induction therapy and another subset will eventually relapse despite the lack of adverse risk factors...
December 7, 2016: Nature
https://www.readbyqxmd.com/read/27905102/elevated-fetal-haemoglobin-is-a-predictor-of-better-outcome-in%C3%A2-mds-aml-patients-receiving-5-aza-2-deoxycytidine-decitabine
#3
Michael Lübbert, Gabriele Ihorst, Philipp N Sander, Ljudmila Bogatyreva, Heiko Becker, Pierre W Wijermans, Stefan Suciu, Emmanuel Bissé, Rainer Claus
Although azanucleoside DNA-hypomethylating agents (HMAs) are routinely used for the treatment of myelodysplastic syndrome/acute myeloid leukaemia (MDS/AML), very few outcome predictors have been established. Expression of the β-like globin gene locus is tightly regulated by DNA methylation, is HMA-sensitive in vitro, and fetal haemoglobin (HbF) expression is under study as a potential biomarker for response of MDS patients to azacitidine. We determined HbF expression in 16 MDS and 36 AML patients receiving decitabine (DAC)...
December 1, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27904446/somatic-mutations-of-isocitrate-dehydrogenases-1-and-2-are-prognostic-and-follow-up-markers-in-patients-with-acute-myeloid-leukaemia-with-normal-karyotype
#4
Marijana Virijevic, Teodora Karan-Djurasevic, Irena Marjanovic, Natasa Tosic, Mirjana Mitrovic, Irena Djunic, Natasa Colovic, Ana Vidovic, Nada Suvajdzic-Vukovic, Dragica Tomin, Sonja Pavlovic
BACKGROUND: Mutations in the isocitrate dehydrogenase 1 and 2 (IDH1 and IDH2) genes are frequent molecular lesions in acute myeloid leukaemia with normal karyotype (AML-NK). The effects of IDH mutations on clinical features and treatment outcome in AML-NK have been widely investigated, but only a few studies monitored these mutations during follow-up. PATIENTS AND METHODS: In our study samples from 110 adult de novo AML-NK were studied for the presence of IDH1 and IDH2 mutations, their associations with other prognostic markers and disease outcome...
December 1, 2016: Radiology and Oncology
https://www.readbyqxmd.com/read/27891349/unusual-presentation-of-acute-leukaemia-a-tripod-of-cases
#5
Manjari Kishore, Vijay Kumar, Sadhna Marwah, Abhay S Nigam
Acute Leukemia is one of the common haematological malignancies encountered with varied clinical and haematological presentation. In acute leukaemia, complications like bleeding and infection cause significant morbidity and mortality, thus overshadowing the thromboembolic events. Among the various malignant haematological disorders, the association of thromboembolic events is often noted with acute promyelocytic leukemia, though the overall frequency of such events remains very low. Acute Lymphoblastic Leukemia (ALL) is, however, more common than Acute non-lymphoblastic Leukaemia...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27879990/sequential-chemotherapy-followed-by-reduced-intensity-conditioning-and-allogeneic-haematopoietic-stem-cell-transplantation-in-adult-patients-with-relapse-or-refractory-acute-myeloid-leukaemia-a-survey-from-the-acute-leukaemia-working-party-of-ebmt
#6
Olle Ringdén, Myriam Labopin, Christoph Schmid, Behnam Sadeghi, Emmanuelle Polge, Johanna Tischer, Arnold Ganser, Mauricette Michallet, Lothar Kanz, Rainer Schwerdtfeger, Arnon Nagler, Mohamad Mohty
This study analysed the outcome of 267 patients with relapse/refractory acute myeloid leukaemia (AML) who received sequential chemotherapy including fludarabine, cytarabine and amsacrine followed by reduced-intensity conditioning (RIC) and allogeneic haematopoietic stem cell transplantation (HSCT). The transplants in 77 patients were from matched sibling donors (MSDs) and those in 190 patients were from matched unrelated donors. Most patients (94·3%) were given anti-T-cell antibodies. The incidence of acute graft-versus-host disease (GVHD) of grades II-IV was 32·1% and that of chronic GVHD was 30·2%...
November 23, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27877213/involvement-of-baff-and-april-in-resistance-to-apoptosis-of-acute-myeloid-leukemia
#7
Lukasz Bolkun, Kamil Grubczak, Gabriela Schneider, Paula Zembko, Urszula Radzikowska, Paulina Singh, Janusz Kloczko, Mariusz Z Ratajczak, Marcin Moniuszko, Andrzej Eljaszewicz
B-cell activation factor of the TNF family (BAFF), and a proliferation-inducing ligand (APRIL), two members of the tumour necrosis factor (TNF) superfamily, beyond playing a significant role in normal B-cell development, promote survival and proliferation of malignant B cells. Both ligands interact with 3 receptors: BAFF-R, specific to BAFF, and TACI and BCMA which are shared by both BAFF and APRIL. Here we wished to investigate the potential role of these proteins in resistance of acute myeloid leukaemia (AML) blasts to apoptosis...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27872272/oxygenator-failure-in-acute-myeloid-leukaemia-a-case-report
#8
Chinmay Patvardhan, Kamen Valchanov
Extracorporeal membrane oxygenation (ECMO) therapy can be used to rescue patients who develop respiratory failure with acute myeloid leukaemia. We describe a unique case of rapid failure of an oxygenator on ECMO, secondary to high leukocyte count and cell lysis in an adult patient with acute myeloid leukaemia.
November 20, 2016: Perfusion
https://www.readbyqxmd.com/read/27858992/sox12-a-novel-potential-target-for-acute-myeloid-leukaemia
#9
Haixia Wan, Jiayi Cai, Fangyuan Chen, Jianyi Zhu, Jihua Zhong, Hua Zhong
The role of SRY-related high-mobility-group box (SOX) 12 in leukaemia progression and haematopoiesis remains elusive. This study aimed to examine the expression and function of SOX12 in acute myeloid leukaemia (AML) using human myeloid leukaemia samples and the acute myeloid cell line THP1. Mononuclear cells were isolated from the bone marrow of AML patients and healthy donors. SOX12 expression in haematopoietic cells was evaluated by reverse transcription polymerase chain reaction (RT-PCR). SOX12 short hairpin RNAs (shRNAs) were transduced into THP1 cells, and gene knockdown was confirmed by quantitative RT-PCR and Western blot analysis...
November 18, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27853307/intronless-wnt10b-short-variant-underlies-new-recurrent-allele-specific-rearrangement-in-acute-myeloid-leukaemia
#10
Francesca Lazzaroni, Luca Del Giacco, Daniele Biasci, Mauro Turrini, Laura Prosperi, Roberto Brusamolino, Roberto Cairoli, Alessandro Beghini
Defects in the control of Wnt signaling have emerged as a recurrent mechanism involved in cancer pathogenesis and acute myeloid leukaemia (AML), including the hematopoietic regeneration-associated WNT10B in AC133(bright) leukaemia cells, although the existence of a specific mechanism remains unproven. We have obtained evidences for a recurrent rearrangement, which involved the WNT10B locus (WNT10B(R)) within intron 1 (IVS1) and flanked at the 5' by non-human sequences whose origin remains to be elucidated; it also expressed a transcript variant (WNT10B(IVS1)) which was mainly detected in a cohort of patients with intermediate/unfavorable risk AML...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27845732/the-complexity-of-targeting-pi3k-akt-mtor-signalling-in-human-acute-myeloid-leukaemia-the-importance-of-leukemic-cell-heterogeneity-neighbouring-mesenchymal-stem-cells-and-immunocompetent-cells
#11
REVIEW
Annette K Brenner, Tor Henrik Andersson Tvedt, Øystein Bruserud
Therapeutic targeting of PI3K-Akt-mTOR is considered a possible strategy in human acute myeloid leukaemia (AML); the most important rationale being the proapoptotic and antiproliferative effects of direct PI3K/mTOR inhibition observed in experimental studies of human AML cells. However, AML is a heterogeneous disease and these effects caused by direct pathway inhibition in the leukemic cells are observed only for a subset of patients. Furthermore, the final effect of PI3K-Akt-mTOR inhibition is modulated by indirect effects, i...
November 11, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27836923/single-nucleotide-polymorphism-array-snp-a-improves-the-identification-of-chromosomal-abnormalities-by-metaphase-cytogenetics-in-myelodysplastic-syndrome
#12
Fernanda Borges da Silva, João Agostinho Machado-Neto, Virginia Helena Leira Lipoli Bertini, Elvira Deolinda Rodrigues Pereira Velloso, Cristina Alonso Ratis, Rodrigo T Calado, Belinda Pinto Simões, Eduardo Magalhães Rego, Fabiola Traina
AIMS: The myelodysplastic syndromes (MDS) are a heterogeneous group of clonal haematopoietic stem cell disorders characterised by inefficient haematopoiesis and risk of progression to acute myeloid leukaemia. Metaphase cytogenetics is an extremely valuable clinical tool in the management of haematological malignancies. However, metaphase cytogenetics requires cellular proliferation, its sensitivity and resolution depends on the proportion of clonal cells in the sample and size of the lesion, respectively...
November 11, 2016: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27834397/the-genetics-of-myelodysplastic-syndrome-from-clonal-haematopoiesis-to-secondary-leukaemia
#13
Adam S Sperling, Christopher J Gibson, Benjamin L Ebert
Myelodysplastic syndrome (MDS) is a clonal disease that arises from the expansion of mutated haematopoietic stem cells. In a spectrum of myeloid disorders ranging from clonal haematopoiesis of indeterminate potential (CHIP) to secondary acute myeloid leukaemia (sAML), MDS is distinguished by the presence of peripheral blood cytopenias, dysplastic haematopoietic differentiation and the absence of features that define acute leukaemia. More than 50 recurrently mutated genes are involved in the pathogenesis of MDS, including genes that encode proteins involved in pre-mRNA splicing, epigenetic regulation and transcription...
November 11, 2016: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/27830376/clinical-effectiveness-of-itraconazole-as-antifungal-prophylaxis-in-aml-patients-undergoing-intensive-chemotherapy-in-the-modern-era
#14
C L Keighley, P Manii, S R Larsen, S van Hal
Antifungal prophylaxis regimens vary between centres, informed by local epidemiology and antifungal stewardship practices. The advantages of itraconazole over posaconazole prophylaxis include maintaining the utility of azole therapy for suspected breakthrough invasive fungal infection (bIFI). We examined the effectiveness and tolerability of itraconazole as prophylaxis in acute myeloid leukaemia (AML) patients. We sought to determine the rate of probable and proven bIFI in the context of itraconazole prophylaxis in a real-life setting...
November 9, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27821538/cardiac-mortality-among-200%C3%A2-000-five-year-survivors-of-cancer-diagnosed-at-15-to-39-years-of-age-the-teenage-and-young-adult-cancer-survivor-study
#15
Katherine E Henson, Raoul C Reulen, David L Winter, Chloe J Bright, Miranda M Fidler, Clare Frobisher, Joyeeta Guha, Kwok F Wong, Julie Kelly, Angela B Edgar, Martin G McCabe, Jeremy Whelan, David J Cutter, Sarah C Darby, Mike M Hawkins
BACKGROUND: Survivors of teenage and young adult cancer are acknowledged as understudied. Little is known about their long-term adverse health risks, particularly of cardiac disease that is increased in other cancer populations where cardiotoxic treatments have been used. METHODS: The Teenage and Young Adult Cancer Survivor Study cohort comprises 200 945 5-year survivors of cancer diagnosed at 15 to 39 years of age in England and Wales from 1971 to 2006, and followed to 2014...
November 15, 2016: Circulation
https://www.readbyqxmd.com/read/27813352/use-of-computed-tomography-abdomen-and-pelvis-for-investigation-of-febrile-neutropenia-in-adult-haematology-patients
#16
H Y Lim, M Ashby, B Williams, A Grigg
We retrospectively evaluated the use of computed tomography abdomen and pelvis (CTAP) in febrile neutropenic autologous stem cell transplant (ASCT) and acute myeloid leukaemia (AML) patients. CTAP was more common in ASCT patients (59%) compared with AML (31%; P  < 0.001). Although abnormal findings were reported in 51%, only 10% resulted in therapy change (addition of anaerobic antibiotic/bowel rest), which would have otherwise been instituted based on clinical grounds. CTAP in these patients rarely provide useful information unsuspected clinically...
November 2016: Internal Medicine Journal
https://www.readbyqxmd.com/read/27806360/fludarabine-and-cytarabine-combination-in-the-induction-of-adult-patients-with-acute-myeloid-leukaemia
#17
Francesco Longu, Claudio Fozza, Laura Dessì, Maurizio Longinotti, Silvana Bonfigli, Maria Grazia Careddu, Lorenzo Coppola, Domenica Barbara Giannico, Rosa Maria Nieddu, Luigi Podda, Simonetta Pardini, Fausto Dore, Simone Dore, Giovanni Sotgiu
No abstract text is available yet for this article.
November 3, 2016: Acta Haematologica
https://www.readbyqxmd.com/read/27790720/a-phase-2-trial-of-high-dose-lenalidomide-in-patients-with-relapsed-refractory-higher-risk-myelodysplastic-syndromes-and-acute-myeloid-leukaemia-with-trilineage-dysplasia
#18
Amer M Zeidan, B Douglas Smith, Hetty E Carraway, Ivana Gojo, Amy DeZern, Steven D Gore
Limited therapies exist for patients with refractory and relapsed (RR) higher-risk myelodysplastic syndromes (HR-MDS) and acute myeloid leukaemia with trilineage dysplasia (AML-TD). High dose (HD) lenalidomide (50 mg) has activity as frontline therapy in elderly AML but there is limited data in the RR setting. This phase II trial included patients with RR HR-MDS or AML-TD at 2 doses of lenalidomide (15 or 50 mg) on days 1-28 of 42-day cycles. The primary endpoint was response rate using the 2006 International Working Group criteria...
October 28, 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27779754/connections-between-constitutional-mismatch-repair-deficiency-syndrome-and-neurofibromatosis-type-1
#19
REVIEW
Katharina Wimmer, Thorsten Rosenbaum, Ludwine Messiaen
Constitutional mismatch repair (MMR) deficiency (CMMRD) is a rare childhood cancer susceptibility syndrome resulting from biallelic germline loss-of-function mutations in one of the MMR genes. Individuals with CMMRD have a high risk to develop a broad spectrum of malignancies and frequently display features reminiscent of neurofibromatosis type 1 (NF1). Evaluation of the clinical findings of genetically proven CMMRD patients shows that not only multiple café-au-lait macules but any of the diagnostic features of NF1 may be present in a CMMRD patient...
October 25, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/27773218/the-prognostic-impact-of-cd7-expression-of-leukaemic-blasts-in-de-novo-intermediate-cytogenetic-risk-acute-myeloid-leukaemia
#20
Murali Kesavan, Hun Chuah, S Aqif Mukhtar, Ashier Leigh Parsons, Kerryn Stoner, Anastazia Keegan
No abstract text is available yet for this article.
February 2016: Pathology
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