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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28101180/acute-renal-injury-induced-by-valacyclovir-hydrochloride-a-case-report
#12
Yanning Zhang, Yuxi Cong, Yan Teng
Acyclovir has been a frequently used antiviral agent in the clinical treatment of leukemia, acute encephalitis, malignant tumor and herpes simplex. The adverse effects of this drug have been widely described in clinical practice. In the present study, a case of a 35-year-old female patient diagnosed with herpes simplex, who developed acute renal injury following treatment with valacyclovir hydrochloride, is described. Kidney biopsy, light microscopy and laboratory examination were performed, and all findings revealed the signs of evident vacuolar degeneration of capillary endothelial and renal tubular epithelial cells, erythrocyte aggregation in partial renal tubule and microvilli exfoliation from epithelial cells...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100909/impact-of-pretransplant-induction-therapy-on-autologous-stem-cell-transplantation-for-patients-with-newly-diagnosed-poems-syndrome
#13
J Li, M-H Duan, C Wang, X-F Huang, W Zhang, X-X Cao, T-N Zhu, J-L Zhuang, B Han, H Cai, H-C Cai, D-B Zhou
POEMS syndrome (polyneuropathy, organomegaly, endocrinopathy, Monoclonal gammopathy and skin changes) is a rare plasma cell dyscrasia sometimes treated with a haematopoietic cell autotransplant. We analyzed data from 138 subjects with newly-diagnosed POEMS syndrome receiving a autotransplant at our centre. Thirty-two subjects with severe end-organ dysfunction ineligible for immediate autotransplant received pretransplant therapy which made a subsequent autotransplant feasible. Pretransplant therapy resulted in vascular endothelial growth factor (VEGF) remissions in 15 (47%)...
January 19, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28100867/effects-of-pre-and-post-administration-of-vitamin-a-on-the-growth-of-refractory-cancers-in-xenograft-mice
#14
Chuan Li, Masahiko Imai, Masahiro Yamasaki, Shinya Hasegawa, Noriko Takahashi
Vitamin A is an essential nutrient that is obtained from the daily diet. The major forms of vitamin A in the body consist of retinol, retinal, retinoic acid (RA), and retinyl esters. Retinal is fundamental for vision and RA is used in clinical therapy of human acute promyelocytic leukemia. The actions of retinol and retinyl palmitate (RP) are not known well. Recently, we found that retinol is a potent anti-proliferative agent against human refractory cancers, including gallbladder cancer, being more effective than RA, while RP was inactive...
January 18, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28100842/prognostic-value-of-thymidine-kinase-activity-in-patients-with-chronic-lymphocytic-leukemia
#15
Piotr Stelmach, Jerzy Z Błoński
Thymidine kinase (TK) activity is a marker of biological activity that allows the indolent and aggressive forms of chronic lymphocytic leukemia (CLL) to be distinguished. The aims of the study were to determine the relationship between TK activity and clinical status and prognosis, as well as to compare its activity with that of other prognostic and predictive factors. TK activity was measured in patient sera at the time of diagnosis using the DiviTum method, with the mean value being 439 Du/L. A correlation was found between TK activity and risk of disease progression (p=0...
December 30, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28100580/venetoclax-in-patients-with-previously-treated-chronic-lymphocytic-leukemia
#16
Andrew W Roberts, Stephan Stilgenbauer, John F Seymour, David C S Huang
Venetoclax is the first BCL2 inhibitor to enter routine clinical practice. It is an orally bioavailable small molecule that binds BCL2 very specifically. Acting as a pharmacological mimic of the proteins that initiate apoptosis (a so-called BH3-mimetic), venetoclax rapidly induces apoptosis in chronic lymphocytic leukemia (CLL) cells which express high levels of BCL2 and rely on it to maintain their survival. As a single agent, daily venetoclax treatment induced durable responses in 79% of patients with relapsed or refractory CLL or small lymphocytic lymphoma in a Phase 1 study, including complete remissions in 20% of patients...
January 18, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28100329/-protective-effect-of-histone-acetylation-against-cortical-injury-in-neonatal-rats
#17
Ji-Chong Huang, Ya-Fei Li, Feng-Yan Zhao, Yi Qu, De-Zhi Mu
OBJECTIVE: To investigate the protective effect of histone acetylation against hypoxic-ischemic cortical injury in neonatal rats. METHODS: A total of 90 neonatal rats aged 3 days were divided into three groups: sham-operation, cortical injury model, and sodium butyrate (a histone deacetylase inhibitor) treatment. The rats in the model and the sodium butyrate treatment groups were intraperitoneally injected with lipopolysaccharide (0.05 mg/kg), and then right common carotid artery ligation was performed 2 hours later and the rats were put in a hypoxic chamber (oxygen concentration 6...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28100265/allogeneic-stem-cell-transplantation-in-adult-patients-with-acute-myeloid-leukaemia-and-17p-abnormalities-in-first-complete-remission-a-study-from-the-acute-leukemia-working-party-alwp-of-the-european-society-for-blood-and-marrow-transplantation-ebmt
#18
Xavier Poiré, Myriam Labopin, Johan Maertens, Ibrahim Yakoub-Agha, Didier Blaise, Norbert Ifrah, Gérard Socié, Tobias Gedde-Dhal, Nicolaas Schaap, Jan J Cornelissen, Stéphane Vigouroux, Jaime Sanz, Lucienne Michaux, Jordi Esteve, Mohamad Mohty, Arnon Nagler
BACKGROUND: Acute myeloid leukaemia (AML) with 17p abnormalities (abn(17p)) carries a very poor prognosis due to high refractoriness to conventional chemotherapy, and allogeneic stem cell transplantation (allo-SCT) appears as the only potential curative option. METHODS: To address outcomes after allo-SCT in patients with abn(17p), we retrospectively analysed de novo or secondary AML undergoing SCT between 2000 and 2013 from the EBMT registry. RESULTS: One hundred thirty-nine patients with confirmed abn(17p) have been selected...
January 18, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28099607/a-single-black-ulcer-in-a-child-with-acute-lymphocytic-leukemia
#19
Michelangelo Vestita, Angela Filoni, Nicola Santoro, Gianpaolo Arcamone, Domenico Bonamonte
Ecthyma gangrenosum is an uncommon dermatological manifestation characterized by round, indurated ulcers with a central necrotic black eschar and surrounding erythema. This report describes the case of a 5-year-old girl, affected by acute lymphocytic leukemia, presenting with a black eschar on her right thigh. Such lesions should always be correctly identified to avoid potentially fatal bacteraemia. Furthermore, because of its similar clinical presentation, cutaneous anthrax must be ruled out.
November 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28099581/minimal-residual-disease-detection-in-tunisian-b-acute-lymphoblastic-leukemia-based-on-immunoglobulin-gene-rearrangements
#20
S Besbes, W S Hamadou, M L Boulland, Y B Youssef, B Achour, H Regaieg, A Khelif, T Fest, Z Soua
IGH gene rearrangement and IGK-Kde gene deletion can be used as molecular markers for the assessment of B lineage acute lymphoblastic leukemia (B-ALL). Minimal residual disease detected based on those markers is currently the most reliable prognosis factor in B-ALL. The aim of this study was to use clonal IGH/IGK-Kde gene rearrangements to confirm B-ALL diagnosis and to evaluate the treatment outcome of Tunisian leukemic patients by monitoring the minimal residual disease (MRD) after induction chemotherapy...
January 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
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