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Acute leukemias

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https://www.readbyqxmd.com/read/28812970/indole-3-carbinol-induces-g1-cell-cycle-arrest-and-apoptosis-through-aryl-hydrocarbon-receptor-in-thp-1-monocytic-cell-line
#1
Saeed Mohammadi, Fakhri Sadat Seyedhosseini, Nasser Behnampour, Yaghoub Yazdani
OBJECTIVES: The role of aryl hydrocarbon receptor (AhR) in carcinogenesis has been studied recently. Indole-3-carbinol (I3C) is an AhR agonist and a potential anticancer agent. Here, we investigated the effects of I3C on cell cycle progression and apoptosis through activation of AhR on THP-1 acute myeloid leukemia (AML) cell line. METHODS: MTT viability assay was used to measure the cytotoxic effects of I3C on THP-1 cells. Apoptosis and cell cycle assays were investigated using flow cytometry...
October 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28812920/orbital-myxoma-comorbid-with-acute-myelomonocytic-leukemia
#2
Jacqueline Mupas-Uy, Yoshiyuki Kitaguchi, Yasuhiro Takahashi, Emiko Takahashi, Hirohiko Kakizaki
We report the first case of orbital myxoma in a 10-year-old girl with a history of acute myelomonocytic leukemia diagnosed at the age of 10 months. She presented with a mass in the right orbit, which was excised completely. There was no recurrence during the 6 months of follow-up.
August 16, 2017: Orbit
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/28812191/improved-outcome-of-childhood-acute-myeloid-leukemia-in-an-eastern-european-country-lithuanian-experience
#4
Igne Kairiene, Ramune Pasauliene, Nadezda Lipunova, Goda Vaitkeviciene, Lina Rageliene, Jelena Rascon
The reported treatment outcomes of children treated for cancer in Eastern European countries are inferior to those in Northern/Western Europe. We hypothesized that recent survival rates could be comparable to the current standards and performed a population-based analysis of treatment outcome of childhood acute myeloid leukemia (AML) in Lithuania, a small Eastern European country. Children < 18 years old who were treated for AML from 2000 to 2013 were included (n = 54). Estimates of 5-year event-free (EFS5y) and overall survival (OS5y) rates were analyzed...
August 15, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28811942/spontaneous-complete-remission-in-a-patient-with-acute-myeloid-leukemia-and-severe-sepsis
#5
Rambod Mozafari, Mahsa Moeinian, Ali Asadollahi-Amin
Without treatment, acute myeloid leukemia (AML) is almost always fatal. Spontaneous remission of AML is a rare phenomenon and usually with a short duration. The exact mechanisms are unknown. However, its association with infection and blood transfusions has been described. We report a 53-year-old male who presented with severe sepsis and who was diagnosed with AML (M4). He has experienced complete spontaneous remission with relatively long duration. To the best of our knowledge, it is the first case of spontaneous remission described in Iran...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28811744/cytogenetic-profile-and-flt3-gene-mutations-of-childhood-acute-lymphoblastic-leukemia
#6
Nawaf Alkhayat, Yasser Elborai, Omer Al Sharif, Mohammad Al Shahrani, Omar Alsuhaibani, Mohammed Awad, Hatem Elghezal, Inesse Ben-Abdallah Bouhajar, Mona Alfaraj, Eman Al Mussaed, Fahad Alabbas, Ghaleb Elyamany
BACKGROUND: Childhood acute lymphoblastic leukemia (ALL) is characterized by recurrent genetic aberrations. The identification of those abnormalities is clinically important because they are considered significant risk-stratifying markers. AIMS: There are insufficient data of cytogenetic profiles in Saudi Arabian patients with childhood ALL leukemia. We have examined a cohort of 110 cases of ALL to determine the cytogenetic profiles and prevalence of FLT3 mutations and analysis of the more frequently observed abnormalities and its correlations to other biologic factors and patient outcomes and to compare our results with previously published results...
2017: Clinical Medicine Insights. Oncology
https://www.readbyqxmd.com/read/28811127/attenuation-of-sunitinib-induced-cardiotoxicity-through-the-a3-adenosine-receptor-activation
#7
Hardip Sandhu, Samantha Cooper, Afthab Hussain, Christopher Mee, Helen Maddock
Sunitinib is an anti-cancer tyrosine kinase inhibitor associated with severe cardiotoxic adverse effects. Using rat Langendorff heart model and human acute myeloid leukemia 60 (HL60) cell line we detected the involvement of protein kinase C (PKC) α during Sunitinib-induced cardiotoxicity and the effect of Sunitinib on cancer progression. The cardioprotective and anti-cancer properties of the A3 adenosine receptor agonist 2-chloro-N6-(3-iodobenzyl)-adenosine-5'-N-methyluronamide (IB-MECA) were investigated...
August 12, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28811020/peanut-agglutinin-and-%C3%AE-cyclodextrin-functionalized-polymer-monolith-microextraction-of-igg-galactosylation-coupled-with-online-ms-detection
#8
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/28810819/low-cll-1-expression-is-a-novel-adverse-predictor-in-123-patients-with-de-novo-cd34-acute-myeloid-leukemia
#9
Jin Wang, Yanyu Wang, Wen-Lian Chen, Jie Hao, Zhanyun Liu, Xiangqin Weng, Yan Sheng, Jing Wu, Yongmei Zhu, Bing Chen, Shu-Min Xiong, Yu Chen, Qiusheng Chen, Hui-Ping Sun, Junmin Li
Recent reports state that C-type lectin-like molecule-1 (CLL-1) in acute myeloid leukemia (AML) is expressed primarily on myeloid cells, but there is still no investigation about its prognostic significance on leukemic blast compartment. Hence, this study aimed to evaluate the prognostic value of CLL-1 in 123 patients with de novo CD34+ non-M3 AML. Multiparameter flow cytometry was used to assess the expression of CLL-1 on immature compartment in AML and control groups. We found that CLL-1 expression level on blast compartment was closely linked to clinical characteristics, treatment response and survival outcome of patients...
August 16, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28810809/optimization-of-human-nk-cell-manufacturing-fully-automated-separation-improved-i-ex-vivo-i-expansion-using-il-21-with-autologous-feeder-cells-and-generation-of-anti-cd123-car-expressing-effector-cells
#10
Stephan Klöß, Olaf Oberschmidt, Michael Morgan, Julia Dahlke, Lubomir Arseniev, Volker Huppert, Markus Granzin, Tanja Gardlowski, Nadine Matthies, Stefanie Soltenborn, Axel Schambach, Ulrike Koehl
BACKGROUND AND AIMS: The administration of ex-vivo expanded Natural killer (NK) cells as potential antitumor effector cells appears to be suitable for effector cell-based immunotherapies in high-risk cancer patients. However, the GMP-conform manufacturing of clinical-grade NK cells at sufficiently high numbers represent a great challenge. Therefore, we improved and optimized previous expansion protocols for those effector cells through the use of newly developed culture medium, IL-21 and autologous feeder cells...
August 16, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28810561/cytotoxic-t-lymphocytes-promote-cytarabine-induced-acute-myeloid-leukemia-cell-apoptosis-via-inhibiting-bcl-2-expression
#11
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/28810515/physcion-blocks-cell-cycle-and-induces-apoptosis-in-human-b-cell-precursor-acute-lymphoblastic-leukemia-cells-by-downregulating-hoxa5
#12
Fei Gao, Wenjun Liu, Qulian Guo, Yongqi Bai, Hong Yang, Hongying Chen
Acute lymphoblastic leukemia (ALL) presents the most common type of malignancy in children and ranks the third most common cancer in adults. This study is aimed to investigate the anti-leukemia activity of physcion in ALL. Our results have showed that physcion could significantly suppress cell growth, induce apoptosis and blocked cell cycle progression in vitro. Mechanistically, we found that physcion downregulated the expression of HOXA5, which is responsible for the anti-leukemia activity of physcion. To verify this finding, siRNA targeting HOXA5 and overexpressing plasmid were used to repress HOXA5 expression and introduce ectopic overexpression of HOXA5 in ALL cell lines, respectively...
August 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28810340/-interstitial-pneumonia-induced-by-imatinib-in-patients-with-ph-acute-lymphoblastic-leukemia-a-case-report
#13
J F Ni, Y Liu, H M Guan, X D Wei
No abstract text is available yet for this article.
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28810327/-acute-myeloid-leukemia-with-increased-eosinophils-and-pdgfr%C3%AE-mutation-in-one-case
#14
X Guo, S X Li
No abstract text is available yet for this article.
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28810326/-the-analysis-of-prognosis-associated-factors-in-adults-with-acute-promyelocytic-leukemia
#15
R J Ma, Z M Zhu, X L Yuan, L Jiang, S W Yang, J Yang, J M Guo, J Shi, P C Lei, L Zhang, B J Shang, K Sun, Y P Zhai, W Li, Y Zhang
Objective: To explore the prognostic value of CD34, CD2, CD56 expressions and FLT3-ITD mutation in adults with acute promyelocytic leukemia (APL) . Methods: The immuno-phenotypic and molecular characteristics of 137 adult patients with APL (from January 2010 to March 2016, in Henan Provincial People's Hospital) were investigated. And the relationships between CD34, CD2, CD56 expressions, FLT3-ITD mutation and the outcomes of high WBC counts at onset, complete remission (CR) rate, early mortality, relapse rate (RR) , overall survival (OS) , disease free survival (DFS) were explored...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28810325/-heterogeneity-and-clonal-evolution-in-pediatric-etv6-runx1-acute-lymphoblastic-leukemia-by-quantitative-multigene-fluorescence-in-situ-hybridization
#16
L Zhang, L P Hu, X M Liu, Y Guo, W Y Yang, J Y Zhang, F Liu, T F Liu, S C Wang, X J Chen, M Ruan, B Q Qi, L X Chang, Y M Chen, Y Zou, X F Zhu
Objective: To evaluate heterogeneity and clonal evolution in pediatric ETV6-RUNX1(+) acute lymphoblastic leukemia (ALL) in China. Methods: Totally 48 children (<14 years) with newly diagnosed ETV6-RUNX1(+) ALL in Institute of Hematology and Blood Disease Hospital, CAMS and PUMC, from February 2006 to June 2011 were included. The copy number variations were analyzed by quantitative multigene fluorescence in situ hybridization (QM-FISH) in 48 patients. Non-normal distribution of measurement data were shown with Median (range) , count data were shown with percent (%) ...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28810324/-minimal-residual-disease-level-predicts-outcomes-in-the-non-favorable-risk-patients-with-acute-myeloid-leukemia
#17
X Ren, T Zhao, J Wang, H H Zhu, H Jiang, J S Jia, S M Yang, B Jiang, D B Wang, X J Huang, Q Jiang
Objective: To explore impact of minimal residual leukemia (MRD) on outcomes in the non-favorable risk adults with de novo acute myeloid leukemia (AML) . Methods: From January 2008 to February 2016, data of consecutive newly-diagnosed non-favorable risk adults with AML (non-APL) according to SWOG criteria who achieved morphologic leukemia-free state (MLFS) and received continuous chemotherapy were assessed retrospectively. Results: 292 AML patients were enrolled, 150 (51.4%) were male. Median age was 46 years (range, 18-65 years) ...
July 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28810255/ponatinib-induced-graft-versus-host-disease-graft-versus-leukemia-effect-in-a-patient-with-philadelphia-positive-acute-lymphoblastic-leukemia-without-the-t315i-mutation-relapsing-after-allogeneic-transplant
#18
Annamaria Petrungaro, Massimo Gentile, Carla Mazzone, Rosa Greco, Giuseppina Uccello, Anna Grazia Recchia, Laura De Stefano, Sabrina Bossio, Angela Palummo, Rosellina Morelli, Caterina Musolino, Fortunato Morabito, Ernesto Vigna
We describe the case of a patient with Philadelphia-positive acute lymphoblastic leukemia treated with dasatinib plus steroids as first-line therapy, who achieved a major molecular response (MMR) before undergoing matched, unrelated donor allogeneic stem cell transplant. Eleven months after the transplant, she experienced molecular relapse. Mutational screening showed negativity for the T315I mutation, The patient underwent a salvage chemotherapy regimen with clofarabine + cyclophosphamide + steroids and ponatinib (clofarabine 70 mg i...
August 16, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28809761/the-t-12-21-p13-q22-in-pediatric-b-acute-lymphoblastic-leukemia-an-update
#19
Maximilian Becker, Kristie Liu, Carlos A Tirado
Pediatric B-cell acute lymphoblastic leukemia (B-ALL) is the most common hematological malignancy in children, and the t(12;21)(p13;q22) occurs in approximately 25% of these cases, making it is the most prevalent chromosomal abnormality. The t(12;21) which disrupts hematopoietic differentiation and proliferation, and can be present as a sole abnormality or within the context of a complex karyotype characterized by three or more chromosomal abnormalities. The prognosis of t(12;21) within a complex karyotype is extensively debated...
2017: Journal of the Association of Genetic Technologists
https://www.readbyqxmd.com/read/28809551/direct-speciation-analysis-of-arsenic-in-whole-blood-and-blood-plasma-at-low-exposure-levels-by-hydride-generation-cryotrapping-inductively-coupled-plasma-mass-spectrometry
#20
Tomáš Matoušek, Zhifeng Wang, Christelle Douillet, Stanislav Musil, Miroslav Stýblo
A method for analysis of toxicologically important arsenic species in blood plasma and whole blood by selective hydride generation with cryotrapping (HG-CT) coupled either to atomic absorption (AAS) with a quartz multiatomizer or to inductively coupled plasma mass spectrometry (ICP-MS) has been validated. Sample preparation which involved only 5 times dilution with addition of Triton X-100, Antifoam B and L-cysteine suppressed excessive foaming in a hydride generator. Calibration slopes for whole blood and blood plasma spiked with arsenate, monomethylarsonate and dimethylarsinate at 0...
August 15, 2017: Analytical Chemistry
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