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https://www.readbyqxmd.com/read/28103640/addition-of-cladribine-to-the-standard-induction-treatment-improves-outcomes-in-a-subset-of-elderly-aml-patients-results-of-a-randomized-polish-adult-leukemia-group-palg-phase-ii-trial
#1
Agnieszka Pluta, Tadeusz Robak, Agata Wrzesien-Kus, Bozena Katarzyna Budziszewska, Kazimierz Sulek, Ewa Wawrzyniak, Magdalena Czemerska, Malgorzata Zwolinska, Aleksandra Golos, Aleksandra Holowiecka-Goral, Slawomira Kyrcz-Krzemien, Jaroslaw Piszcz, Janusz Kloczko, Monika Mordak-Domagala, Andrzej Lange, Małgorzata Razny, Krzysztof Madry, Wieslaw Wiktor-Jedrzejczak, Sebastian Grosicki, Aleksandra Butrym, Kazimierz Kuliczkowski, Krzysztof Warzocha, Jerzy Holowiecki, Sebastian Giebel, Richard Szydlo, Agnieszka Wierzbowska
Intensive induction chemotherapy using anthracycline and cytarabine backbone is considered the most effective upfront therapy in physically fit older patients with acute myeloid leukemia (AML). However, outcomes of the standard induction in elderly AML are inferior to those observed in younger patients and they are still unsatisfactory. As addition of cladribine to the standard induction therapy is known to improve outcome in younger AML patients, the present randomized phase II study compares efficacy and toxicity of the DAC (daunorubicin plus cytarabine plus cladribine) regimen with the standard DA (daunorubicin plus cytarabine) regimen in the newly diagnosed AML patients over 60 years of age...
January 19, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28103625/phase-ii-study-of-imatinib-based-chemotherapy-for-newly-diagnosed-bcr-abl-positive-acute-lymphoblastic-leukemia
#2
Shin Fujisawa, Shuichi Mizuta, Hideki Akiyama, Yasunori Ueda, Yasutaka Aoyama, Yoshihiro Hatta, Kazuhiko Kakihana, Nobuaki Dobashi, Isamu Sugiura, Yasushi Onishi, Tomoya Maeda, Kiyotoshi Imai, Shigeki Ohtake, Yasushi Miyazaki, Kazunori Ohnishi, Keitaro Matsuo, Tomoki Naoe
This study investigated the efficacy of imatinib based therapy with intensified consolidation therapy in patients with Philadelphia chromosome (Ph)-positive acute lymphoblastic leukemia (ALL) to prevent early relapse. We conducted a phase II trial of imatinib-combined chemotherapy for newly diagnosed BCR-ABL-positive ALL in adults. Sixty-eight patients were included in the trial between October 2008 and December 2010. The median age was 49 years, with 28 patients >55 years of age. Sixty-five patients achieved CR (95...
January 19, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28103535/down-regulation-of-histone-deacetylase-4-5-and-6-as-a-mechanism-of-synergistic-enhancement-of-apoptosis-in-human-lung-cancer-cells-treated-with-the-combination-of-a-synthetic-retinoid-am80-and-green-tea-catechin
#3
Yukiko Oya, Anupom Mondal, Anchalee Rawangkan, Sonthaya Umsumarng, Keisuke Iida, Tatsuro Watanabe, Miki Kanno, Kaori Suzuki, Zhenghao Li, Hiroyuki Kagechika, Koichi Shudo, Hirota Fujiki, Masami Suganuma
(-)-Epigallocatechin gallate (EGCG), a green tea catechin, acts as a synergist with various anticancer drugs, including retinoids. Am80 is a synthetic retinoid with a different structure from all-trans-retinoic acid: Am80 is now clinically utilized as a new drug for relapsed and intractable acute promyelocytic leukemia patients. Our experiments showed that the combination of EGCG and Am80 synergistically induced both apoptosis in human lung cancer cell line PC-9 and up-regulated expressions of growth arrest and DNA damage-inducible gene 153 (GADD153), death receptor 5, and p21(waf1) genes in the cells...
January 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28103322/htlv-1-tax-induces-formation-of-the-active-macromolecular-ikk-complex-by-generating-lys63-and-met1-linked-hybrid-polyubiquitin-chains
#4
Yuri Shibata, Fuminori Tokunaga, Eiji Goto, Ginga Komatsu, Jin Gohda, Yasushi Saeki, Keiji Tanaka, Hirotaka Takahashi, Tatsuya Sawasaki, Satoshi Inoue, Hiroyuki Oshiumi, Tsukasa Seya, Hiroyasu Nakano, Yuetsu Tanaka, Kazuhiro Iwai, Jun-Ichiro Inoue
The Tax protein of human T-cell leukemia virus type 1 (HTLV-1) is crucial for the development of adult T-cell leukemia (ATL), a highly malignant CD4+ T cell neoplasm. Among the multiple aberrant Tax-induced effects on cellular processes, persistent activation of transcription factor NF-κB, which is activated only transiently upon physiological stimulation, is essential for leukemogenesis. We and others have shown that Tax induces activation of the IκB kinase (IKK) complex, which is a critical step in NF-κB activation, by generating Lys63-linked polyubiquitin chains...
January 19, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28103300/expression-profiling-of-ribosome-biogenesis-factors-reveals-nucleolin-as-a-novel-potential-marker-to-predict-outcome-in-aml-patients
#5
Virginie Marcel, Frédéric Catez, Caroline M Berger, Emeline Perrial, Adriana Plesa, Xavier Thomas, Eve Mattei, Sandrine Hayette, Pierre Saintigny, Philippe Bouvet, Jean-Jacques Diaz, Charles Dumontet
Acute myeloid leukemia (AML) is a heterogeneous disease. Prognosis is mainly influenced by patient age at diagnosis and cytogenetic alterations, two of the main factors currently used in AML patient risk stratification. However, additional criteria are required to improve the current risk classification and better adapt patient care. In neoplastic cells, ribosome biogenesis is increased to sustain the high proliferation rate and ribosome composition is altered to modulate specific gene expression driving tumorigenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28103274/prenatal-exposure-to-lipopolysaccharide-alters-renal-dna-methyltransferase-expression-in-rat-offspring
#6
Jing Wang, Jinghong Cui, Rui Chen, Youcai Deng, Xi Liao, Yanling Wei, Xiaohui Li, Min Su, Jianhua Yu, Ping Yi
Prenatal exposure to inflammation results in hypertension during adulthood but the mechanisms are not well understood. Maternal exposure to lipopolysaccharide (LPS) alters interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) levels in the fetal environment. As reported in many recent studies, IL-6 regulates DNA methyltransferases (DNMTs) through the transcription factor friend leukemia virus integration 1 (Fli-1). The present study explores the role of intrarenal DNMTs during development of hypertension induced by prenatal exposure to LPS...
2017: PloS One
https://www.readbyqxmd.com/read/28103249/the-green-tea-catechin-epigallocatechin-gallate-ameliorates-graft-versus-host-disease
#7
Sabine Westphal, Aleixandria McGeary, Sandra Rudloff, Andrea Wilke, Olaf Penack
Allogeneic hematopoetic stem cell transplantation (allo-HSCT) is a standard treatment for leukemia and other hematologic malignancies. The major complication of allo-HSCT is graft-versus-host-disease (GVHD), a progressive inflammatory illness characterized by donor immune cells attacking the organs of the recipient. Current GVHD prevention and treatment strategies use immune suppressive drugs and/or anti-T cell reagents these can lead to increased risk of infections and tumor relapse. Recent research demonstrated that epigallocatechin gallate (EGCG), a component found in green tea leaves at a level of 25-35% at dry weight, may be useful in the inhibition of GVHD due to its immune modulatory, anti-oxidative and anti-angiogenic capacities...
2017: PloS One
https://www.readbyqxmd.com/read/28103133/role-of-choline-in-the-modulation-of-degenerative-processes-in-vivo-and-in-vitro-studies
#8
Tania Merinas-Amo, Inmaculada Tasset-Cuevas, Antonio M Díaz-Carretero, Ángeles Alonso-Moraga, Fernando Calahorro
The purpose of the present study was to examine the nutraceutical potential of choline as an added value to its well-known brain nutrient role. Several toxicity, antitoxicity, genotoxicity, antigenotoxicity, and longevity endpoints were checked in the somatic mutation and recombination test in in vivo Drosophila animal model. Cytotoxicity in human leukemia-60 cell line (HL-60) promyelocytic and NIH3T3 mouse fibroblast cells, proapoptotic DNA fragmentation, comet assay, methylation status, and macroautophagy (MA) activity were tested in in vitro assays...
January 19, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28103116/acute-leukemia-and-concurrent-mediastinal-germ-cell-tumor-case-report-and-literature-review
#9
Luke Maese, K David Li, Xinjie Xu, Zeinab Afify, Christian N Paxton, Angelica Putnam
There is a known association of primary nonseminomatous mediastinal germ cell tumors (NSMGCT) and hematologic malignancy in younger males not linked to treatment. When combined these two rare entities convey a very poor prognosis. Here we report a 16-year-old male with an anterior mediastinal mass diagnosed as a malignant germ cell tumor based on elevation of serologic markers. He was found to have acute leukemia with megakaryocytic differentiation several days later. We focus our report on the pathologic findings, including a review of the literature, and a novel molecular analysis of the germ cell tumor...
January 19, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28102950/quantitative-impact-of-changes-in-marrow-cellularity-skeletal-size-and-bone-mineral-density-on-active-marrow-dosimetry-based-upon-a-reference-model
#10
Amy M Geyer, Bryan C Schwarz, Robert F Hobbs, George Sgouros, Wesley E Bolch
PURPOSE: The hematopoietically active tissues of skeletal bone marrow are a prime target for computational dosimetry given potential risks of leukemia and, at higher dose levels, acute marrow toxicity. The complex three-dimensional geometry of trabecular spongiosa, however, complicates schema for dose assessment in such a way that only a few reference skeletal models have been developed to date, and which are based upon microimaging of a limited number of cadaveric bone spongiosa cores...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102932/antileukemic-action-of-novel-diamine-pt-ii-halogenido-complexes-comparison-of-the-representative-novel-pt-ii-with-corresponding-pt-iv-complex
#11
Sonja Misirlić Denčić, Jelena Poljarević, Andjelka M Isakovic, Ivanka Marković, Tibor J Sabo, Sanja Grgurić-Šipka
This study presents the synthesis, characterization and antitumor action of five new Pt(II) halogenido, chlorido and iodido, complexes with edda type of ligands. (S,S)-ethylendiamine-N,N'-di-2-(3-cyclohexyl)propanoic acid dihydrochloride and its methyl, ethyl and n-propyl esters, were prepared according to the previously reported procedure. All investigated complexes were characterized by IR, ESI-MS, ((1) H, (13) C and HMBC) NMR spectroscopy and elemental analysis. Their cytotoxic action was investigated in four human tumor cell lines: promyelocytic (HL-60) and lymphocytic (REH) leukemia, glioma (U251) and lung carcinoma (H460)...
January 19, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28102729/chronic-myelomonocytic-leukemia-with-double-mutations-in-dnmt3a-and-flt3-itd-treated-with-decitabine-and-sorafenib
#12
Jia Gu, Zhiqiong Wang, Min Xiao, Xia Mao, Li Zhu, Ying Wang, Wei Huang
Chronic myelomonocytic leukemia (CMML) is a heterogeneous neoplastic hematologic disorder with worse overall survival. Half of CMML have mutations, but case with concomitant mutations of DNA methyltransferase 3A (DNMT3A) and Internal tandem duplications of the juxtamembrane domain of FLT3 (FLT3-ITD) in CMML was not reported before. We reported a 51-year-old man who had CMML with concomitant mutations in DNMT3A and FLT3-ITD.The patient received decitabine and sorafenib combined treatment. In this report, we reviewed DNMT3A mutation and FLT3 mutation, and we reviewed treatment of decitabine and sorafenib...
January 19, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28102217/fasting-fights-leukemia
#13
Ioana Visan
No abstract text is available yet for this article.
January 19, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28101583/integrated-analysis-of-microrna-and-transcription-factor-reveals-important-regulators-and-regulatory-motifs-in-adult-b-cell-acute-lymphoblastic-leukemia
#14
Xiao-Cong Lin, Xin-Guang Liu, Yu-Ming Zhang, Ning Li, Zhi-Gang Yang, Wei-Yu Fu, Liu-Bo Lan, Hai-Tao Zhang, Yong Dai
B-cell acute lymphoblastic leukemia (B‑ALL) is an aggressive hematological malignancy and a leading cause of cancer-related mortality in children and young adults. The molecular mechanisms involved in the regulation of its gene expression has yet to be fully elucidated. In the present study, we performed large scale expression profiling of microRNA (miRNA) and transcription factor (TF) by Illumina deep‑sequencing and TF array technology, respectively, and identified 291 differentially expressed miRNAs and 201 differentially expressed TFs in adult B‑ALL samples relative to their controls...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101575/identification-of-potential-targets-for-differentiation-in-human-leukemia-cells-induced-by-diallyl-disulfide
#15
Hui Ling, Jie He, Hui Tan, Lan Yi, Fang Liu, Xiaoxia Ji, Youhua Wu, Haobin Hu, Xi Zeng, Xiaohong Ai, Hao Jiang, Qi Su
Diallyl disulfide (DADS) is a primary component of garlic, which has chemopreventive potential. We previously found that moderate doses (15-120 µM) of DADS induced apoptosis and G2/M phase cell cycle arrest. In this study, we observed the effect of low doses (8 µM) of DADS on human leukemia HL-60 cells. We found that DADS could inhibit proliferation, migration and invasion in HL-60 cells, and arrested cells at G0/G1 stage. Then, cell differentiation was displayed by morphologic observation, NBT reduction activity and CD11b evaluation of cytometric flow...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28101518/is-it-time-to-include-ct-reverse-halo-sign-and-qpcr-targeting-mucorales-in-serum-to-eortc-msg-criteria-for-the-diagnosis-of-pulmonary-mucormycosis-in-leukemia-patients
#16
Denis Caillot, Stéphane Valot, Ingrid Lafon, Louise Basmaciyan, Marie Lorraine Chretien, Marc Sautour, Laurence Million, Caroline Legouge, Alexandre Payssot, Frédéric Dalle
In 23 leukemia patients with proven (n = 17) or possible (n = 6) pulmonary mucormycosis (PM), the presence of reversed halo sign on computed tomography was strongly associated with the positivity of quantitative polymerase chain reaction assays targeting Mucorales in the serum, confirming the value of these two tools for the diagnosis of PM in this setting.
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28101374/arginine-methylation-of-usp9x-promotes-its-interaction-with-tdrd3-and-its-anti-apoptotic-activities-in-breast-cancer-cells
#17
Nithya Narayanan, Zhihao Wang, Ling Li, Yanzhong Yang
The Tudor domain-containing proteins are characterized by their specific interactions with methylated protein motifs, including methyl-arginines and methyl-lysines. The Tudor domain-containing protein 3 (TDRD3) is one of the major methyl-arginine effector molecules that recognizes methylated arginine residues on histones and the C-terminal domain of RNA polymerase II, and activates transcription. However, majority of the cellular TDRD3 localizes to the cytoplasm and its functions there are still elusive. Here, we have identified ubiquitin-specific protease 9 X-linked (USP9X) as a TDRD3-interacting protein by GST (glutathione S-transferase) pull-down and co-immunoprecipitation...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28101351/pro-inflammatory-effect-of-a-traditional-chinese-medicine-formula-with-potent-anti-cancer-activity-in-vitro-impedes-tumor-inhibitory-potential-in-vivo
#18
Lei Xia, Maksym Plachynta, Tangjingjun Liu, Xiao Xiao, Jialei Song, Xiaogang Li, Mu Zhang, Yao Yao, Heng Luo, Xiaojiang Hao, Yaacov Ben-David
Medicinal formulas are a part of the complex discipline of traditional Chinese medicine that has been used for centuries in China and East Asia. These formulas predominantly consist of the extracts isolated from herbal plants, animal parts and medicinal minerals. The present study aimed to investigate the impact of 150 formulas, used as non-prescription drugs in China, on the treatment of cancer. A formula was identified, C54, commonly used to treat sore throats, which exhibited marked growth inhibition in vitro, associated with cell cycle arrest and apoptosis...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28101221/a-complex-translocation-3-17-15-in-acute-promyelocytic-leukemia-confirmed-by-fluorescence-in-situ-hybridization
#19
Yanming Wang, Junjie Ma, Xinguang Liu, Riming Liu, Lingling Xu, Li Wang, Jiannong Cen, Xiaoxia Chu
Acute promyelocytic leukemia (APL) is typified by t(15;17)(q22;q21), generating the promyelocytic leukemia (PML) gene at 15q22 with the retinoic acid α-receptor (RARA) gene at 17q21. The PML-RARA fusion gene is believed to play a vital role in leukemogenesis. A sizeable minority of patients with complex variants of APL have been reported. The present study reports the case of a 33-year-old male with APL carrying a potential complex translocation. The initial symptom was bleeding gums. Chromosomal analysis of the bone marrow cells revealed an atypical 17q aberration...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101208/effect-of-bovine-dialyzable-leukocyte-extract-on-induction-of-cell-differentiation-and-death-in-k562-human-chronic-myelogenous-leukemia-cells
#20
Crystel A Sierra-Rivera, Moisés A Franco-Molina, Edgar Mendoza-Gamboa, Pablo Zapata-Benavides, Jesús Santaolalla-Tapia, Erika E Coronado-Cerda, Reyes S Tamez-Guerra, Cristina Rodríguez-Padilla
Differentiation induction therapy is an attractive approach in leukemia treatment due to the fact that in blast crisis stage, leukemic cells lose their differentiation capacity. Therefore, it has been proposed as a therapeutic strategy to induce terminal differentiation of leukemic blast cells into a specific lineage, leading to prevention of high proliferation rates. The aim of the present study was to demonstrate the potential of cell differentiation and death induced by bovine dialyzable leukocyte extract (bDLE) in the K562 cell line...
December 2016: Oncology Letters
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