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Acute myelogenous leukemia

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https://www.readbyqxmd.com/read/28811020/peanut-agglutinin-and-%C3%AE-cyclodextrin-functionalized-polymer-monolith-microextraction-of-igg-galactosylation-coupled-with-online-ms-detection
#1
Haijiao Zheng, Tenggao Zhu, Xiqian Li, Jiutong Ma, Qiong Jia
A facile online method coupling polymer monolithic microextraction (PMME) with mass spectrometry (MS) was developed for the detection of Immunoglobulin G (IgG) galactosylation glycopeptides. A peanut agglutinin-β-cyclodextrin (PNA-β-CD) functionalized poly(hydroxyethyl methylacrylate-ethyleneglycol dimethacrylate) monolith was designed via a click reaction. Thanking to the specificity of PNA-β-CD for the targets, the material exhibited enhanced enrichment selectivity and extraction efficiency for IgG galactosylation glycopeptides...
August 29, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28808915/cost-effectiveness-of-posaconazole-tablets-for-invasive-fungal-infections-prevention-in-acute-myelogenous-leukemia-or-myelodysplastic-syndrome-patients-in-spain
#2
Rafael Cámara, Irmina Gozalbo, Manuel Jurado, Jaime Sanz, Belén Aragón, Santiago Grau
INTRODUCTION: Posaconazole is superior to fluconazole (FLU) and itraconazole (ITRA) in the prevention of invasive fungal diseases (IFDs) in neutropenic patients with acute myelogenous leukemia (AML) and myelodysplastic syndrome (MDS). A new tablet formulation of posaconazole with improved pharmacokinetic and pharmacodynamic properties compared to posaconazole oral solution has recently been approved. The objective of this study is to estimate the cost-effectiveness of the newly developed posaconazole tablets versus FLU oral suspension or ITRA oral solution for preventing IFDs in high-risk neutropenic patients with AML or MDS and from the perspective of the Spanish National Health System (NHS)...
August 14, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28802907/the-who-how-and-why-allogeneic-transplant-for-acute-myeloid-leukemia-in-patients-older-than-60years
#3
REVIEW
Sarah A Wall, Steven Devine, Sumithira Vasu
Acute myelogenous leukemia (AML) is primarily a disease of the elderly, and as such, our approach to treatment needs to be tailored to address an aging population. Allogeneic hematopoietic stem cell transplantation (allo-HSCT) remains the only potentially curative treatment for intermediate and high risk AML, and until recently, its use had been limited to a younger population and dependent on availability of a donor. Advances in conditioning regimens, supportive care, and the use of alternative donor sources have greatly expanded access to this therapy...
July 15, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28797620/extended-follow-up-of-patients-treated-with-bendamustine-for-lymphoid-malignancies
#4
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/28782395/myeloablative-busulfan-cytoxan-conditioning-versus-reduced-intensity-fludarabine-melphalan-conditioning-for-allogeneic-hematopoietic-stem-cell-transplant-in-patients-with-acute-myelogenous-leukemia
#5
Vishal Dhere, Scott Edelman, Edmund K Waller, Amelia Langston, Michael Graiser, Erin C Connolly, Jeffrey M Switchenko, Natia Esiashvili, Mohammad K Khan
Fludarabine and melphalan (Flu/Mel) has emerged as a more tolerable chemotherapy-based conditioning regimen compared with busulfan and cyclophosphamide (Bu/Cy) for allogeneic stem cell transplant (allo-hematopoietic stem cell transplantation (HSCT)) patients with acute myelogenous leukemia (AML). We conducted a retrospective review of a single-institution database including patients with AML who received allo-HSCT following conditioning with Mel/Flu or Bu/Cy-based regimens. We performed descriptive statistical analysis to examine patient demographics and clinical outcomes...
August 7, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28765013/structure-based-design-synthesis-and-in-vitro-antiproliferative-effects-studies-of-novel-dual-brd4-hdac-inhibitors
#6
Mingfeng Shao, Linhong He, Li Zheng, Lingxiao Huang, Yuanyuan Zhou, Taijing Wang, Yong Chen, Mingsheng Shen, Fang Wang, Zhuang Yang, Lijuan Chen
Histone acetylation marks play important roles in controlling gene expressions and are removed by histone deacetylases (HDACs). These marks are read by bromodomain and extra-terminal (BET) proteins, whose targeted inhibitors are under clinical investigation. BET and HDAC inhibitors have been demonstrated to be synergistically killing in Mycinduced murine lymphoma. Herein, we combine the inhibitory activities of BET and HDAC into one molecule through structure-based design method and evaluate its function. The majority of these synthesized compounds showed inhibitory activity against second bromdomains(BRD) of BRD4 and HDAC1...
July 21, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28754375/an-evaluation-of-myeloperoxidase-mediated-bio-activation-of-nsaids-in-promyelocytic-leukemia-hl-60-cells-for-potential-cytotoxic-selectivity
#7
Andrew G M Morgan, Dinesh Babu, Karim Michail, Arno G Siraki
Several lines of evidence have pointed towards the potential therapeutic benefit of NSAIDs in cancer therapy. In this study, we have investigated the acute bio-activation of NSAIDs and their metabolites via myeloperoxidase (MPO), a highly-expressed peroxidase enzyme in acute myeloid leukemia. As bio-activation involves the formation of reactive metabolites, we hypothesized that NSAIDs which produced reactive metabolites would be correlated with leukemia cell toxicity. We tested the enzymatic peroxidation of three NSAIDs, namely diclofenac, indomethacin, and naproxen in comparison with their hepatic metabolites, 4'- hydroxydiclofenac (4'-OHD), 5-hydroxydiclofenac (5-OHD), O-desmethyl-N-deschlorobenzoylindomethacin (DMBI), O-desmethylindomethacin (DMI) and O-desmethylnaproxen (ODN)...
July 25, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28746781/human-herpesvirus-6-encephalitis-following-chemotherapy-induction-for-acute-myelogenous-leukemia
#8
John W Frey, Joseph N Cherabie, Maha A Assi
We report a case of human herpesvirus-6 (HHV-6) encephalitis in a neutropenic patient who had undergone chemotherapy induction for acute myelogenous leukemia while on broad-spectrum antimicrobial therapy. The patient displayed symptoms of confusion, amnesia, and lethargy. Diagnosis was made via polymerase chain reaction analysis of cerebrospinal fluid. Electroencephalogram and magnetic resonance imaging of the brain were unremarkable. Following diagnosis, the patient was successfully treated with ganciclovir...
July 26, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28741746/skin-lesion-in-a-patient-after-hematopoietic-stem-cell-transplant
#9
Erica E Kaufman West, Mudresh Mehta, Vinit Patel, Robin Chamberland
We present a case of a 61-year-old Caucasian woman who was hospitalized with fevers on day 176 after a matched unrelated stem cell transplant for acute myelogenous leukemia. She developed hemorrhagic bullae on the skin of her right thigh, and blood cultures and skin biopsy both confirmed Fusarium proliferatum. Despite antifungal therapy, her condition worsened and she died while on comfort-only measures. This article is protected by copyright. All rights reserved.
July 25, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28740897/myeloablative-conditioning-with-total-body-irradiation-for-aml-balancing-survival-and-pulmonary-toxicity
#10
Sarah J Stephens, Samantha Thomas, David A Rizzieri, Mitchell E Horwitz, Nelson J Chao, Ashley M Engemann, Martha Lassiter, Chris R Kelsey
PURPOSE: The purpose of this study was to compare leukemia-free survival (LFS) and other clinical outcomes in patients with acute myelogenous leukemia who underwent a myeloablative allogeneic stem cell transplant with and without total body irradiation (TBI). METHODS AND MATERIALS: Adult patients with acute myelogenous leukemia undergoing myeloablative allogeneic stem cell transplant at Duke University Medical Center between 1995 and 2012 were included. The primary endpoint was LFS...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28730166/impact-of-chromosomal-rearrangement-upon-dna-methylation-patterns-in-leukemia
#11
Hyang-Min Byun, Shahrooz Eshaghian, Dan Douer, Jonathen Trent, Guillermo Garcia-Manero, Ravi Bhatia, Kim Siegmund, Allen S Yang
Genomic instability, including genetic mutations and chromosomal rearrangements, can lead to cancer development. Aberrant DNA methylation occurs commonly in cancer cells. The aim of this study is to determine the effects of a specific chromosomal lesion the BCR-ABL translocation t(9:22), in establishing DNA methylation profiles in cancer. Materials and methods We compared DNA methylation of 1,505 selected promoter CpGs in chronic myelogenous leukemia (CML), acute lymphoblastic leukemia (ALL) with and without the Philadelphia chromosome t(9:22), CD34+ hematopoietic stem cells transfected with BCR-ABL, and other tumors without BCR-ABL (acute promyelocytic leukemia (APL) and gastrointestinal stromal tumors (GIST)...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28727840/dual-inhibition-of-fes-and-flt3-tyrosine-kinases-potently-inhibits-flt3-itd-aml-cell-growth
#12
Mark C Weir, Sabine Hellwig, Li Tan, Yao Liu, Nathanael S Gray, Thomas E Smithgall
Acute myelogenous leukemia (AML) is often associated with activating mutations in the receptor tyrosine kinase, Flt3, including internal tandem duplications (ITDs) within the regulatory juxtamembrane region. Previous studies have linked Flt3-ITD to the activation of the Fes protein tyrosine kinase in AML, and RNAi-knockdown studies suggest that Fes may be required for Flt3 function. In this study, we tested Fes inhibitors from three different chemical classes for their growth-suppressive activity against Flt3-ITD+ myeloid leukemia cell lines (MV4-11, MOLM-13 and MOLM-14) vs...
2017: PloS One
https://www.readbyqxmd.com/read/28718760/cd25-expression-and-outcomes-in-older-patients-with-acute-myelogenous-leukemia-treated-with-plerixafor-and-decitabine
#13
John N Allan, Gail J Roboz, Gulce Askin, Ellen Ritchie, Joseph Scandura, Paul Christos, Duane C Hassane, Monica L Guzman
We investigated CD25 expression in older (≥60 years) patients with new acute myelogenous leukemia treated with decitabine and plerixafor. Patients resistant to therapy or survival ≤1 year had significantly higher percentages of CD25(pos) myeloid blasts in baseline bone marrow. CD25(pos) patients had an increased odds of resistance compared to CD25(neg) patients (p = .015). In univariate analysis, we found CD25(pos) patients had inferior survival compared to CD25(neg) (p = .002). In patients with intermediate risk cytogenetics, CD25(pos) status stratified patients associating with inferior survival (p = ...
July 18, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28716444/thiosemicarbazone-derivatives-thiazolyl-hydrazones-effectively-inhibit-leukemic-tumor-cell-growth-down-regulation-of-ribonucleotide-reductase-activity-and-synergism-with-arabinofuranosylcytosine
#14
Geraldine Graser-Loescher, Agnes Schoenhuber, Caroline Ciglenec, Sabine Eberl, Georg Krupitza, Robert M Mader, Surender S Jadav, Venkatesan Jayaprakash, Monika Fritzer-Szekeres, Thomas Szekeres, Philipp Saiko
Cellular growth inhibition exerted by thiosemicarbazones is mainly attributed to down-regulation of ribonucleotide reductase (RNR) activity, with RNR being responsible for the rate-limiting step of de novo DNA synthesis. In this study, we investigated the antineoplastic effects of three newly synthesized thiosemicarbazone derivatives, thiazolyl hydrazones, in human HL-60 promyelocytic leukemia cells. The cytotoxicity of compounds alone and in combination with arabinofuranosylcytosine (AraC) was determined by growth inhibition assays...
July 14, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28705540/three-year-safety-of-radium-223-dichloride-in-patients-with-castration-resistant-prostate-cancer-and-symptomatic-bone-metastases-from-phase-3-randomized-alpharadin-in-symptomatic-prostate-cancer-trial
#15
Christopher C Parker, Robert E Coleman, Oliver Sartor, Nicholas J Vogelzang, David Bottomley, Daniel Heinrich, Svein I Helle, Joe M O'Sullivan, Sophie D Fosså, Aleš Chodacki, Paweł Wiechno, John Logue, Mihalj Seke, Anders Widmark, Dag Clement Johannessen, Peter Hoskin, Nicholas D James, Arne Solberg, Isabel Syndikus, Jan Kliment, Steffen Wedel, Sibylle Boehmer, Marcos Dall'Oglio, Lars Franzén, Øyvind S Bruland, Oana Petrenciuc, Karin Staudacher, Rui Li, Sten Nilsson
BACKGROUND: In Alpharadin in Symptomatic Prostate Cancer (ALSYMPCA) trial, radium-223 versus placebo prolonged overall survival with favorable safety in castration-resistant prostate cancer patients with symptomatic bone metastases. Long-term radium-223 monitoring underlies a comprehensive safety and risk/benefit assessment. OBJECTIVE: To report updated ALSYMPCA safety, including long-term safety up to 3 yr after the first injection. DESIGN, SETTING, AND PARTICIPANTS: Safety analyses from phase 3 randomized ALSYMPCA trial included patients receiving ≥1 study-drug injection (600 radium-223 and 301 placebo)...
July 10, 2017: European Urology
https://www.readbyqxmd.com/read/28698860/genomic-profiling-of-chronic-myelogenous-leukemia-basic-and-clinical-approach
#16
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/28698852/acute-megakaryoblastic-blast-crisis-as-a-presentation-manifestation-of-chronic-myelogenous-leukemia
#17
Jenna B Bhattacharya, Richa Gupta, Amit Samadhiya
No abstract text is available yet for this article.
June 2017: Blood Research
https://www.readbyqxmd.com/read/28693140/acute-myeloid-leukemia-with-t-3-21-q26-2-q22-developing-following-low-dose-methotrexate-therapy-for-rheumatoid-arthritis-and-expressing-two-aml1-mds1-evi1-fusion-proteins-a-case-report
#18
Keisuke Tanaka, Gaku Oshikawa, Hiroki Akiyama, Shinya Ishida, Toshikage Nagao, Masahide Yamamoto, Osamu Miura
The t(3;21)(q26.2;q22) translocation is a rare chromosomal abnormality exhibited almost exclusively in therapy-related myelodysplastic syndrome/acute myeloid leukemia (t-MDS/AML) or in the blastic crisis phase of chronic myelogenous leukemia, which results in the fusion of the runt related transcription factor 1 (RUNX1, also called AML1) gene at 21q22 to the myelodysplasia syndrome 1 (MDS1)-ecotropic virus integration site 1 (EVI1) complex locus (MECOM) at 3q26.2, generating various fusion transcripts, including AML1/MDS1/EVI1 (AME)...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28690936/a-case-of-imatinib-induced-hepatitis
#19
Osman Bhatty, Mohammad Selim, Thamer Kassim, Lakshmi Chintalacheruvu, Manuel Urra, Sonia Shah, Joseph Haggerty, John Gross, Aravdeep Jhand, Gene Pershwitz, Jaya Gupta
A 71-year-old female with a past medical history of Philadelphia chromosome-positive chronic myelogenous leukemia on imatinib therapy, Sjogren's syndrome, and hypothyroidism presents with acute hepatitis. After a comprehensive workup ruling out viral, infectious and metabolic etiologies imatinib is stopped which results in immediate improvement. The biopsy is consistent with drug-induced liver damage; the patient is started on oral prednisone and discharged. Unfortunately, our patient's liver function does not improve over the course of the next week and she is readmitted for hepatic and renal failure...
June 1, 2017: Curēus
https://www.readbyqxmd.com/read/28679300/the-emerging-role-of-immune-checkpoint-based-approaches-in-aml-and-mds
#20
Prajwal Boddu, Hagop Kantarjian, Guillermo Garcia-Manero, James Allison, Padmanee Sharma, Naval Daver
The development of immune checkpoint inhibitors represents a major breakthrough in the field of cancer therapeutics. Pursuant to their success in melanoma and numerous solid tumor malignancies, these agents are being investigated in hematological malignancies including acute myelogenous leukemia (AML) and myelodysplastic syndromes (MDS). Although AML/MDS have traditionally been considered to be less immunogenic than solid tumor malignancies, recent pre-clinical models suggest a therapeutic role for immune checkpoint inhibition in these diseases...
July 6, 2017: Leukemia & Lymphoma
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