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acute myeloid

L-Y Hu, J-B Cui, X-M Xu, Z-H Huang, H-T Jiao
OBJECTIVE: Traumatic lung injury (TLI) can cause inflammation and oxidative stress, or even leads to acute respiratory distress syndrome (ARDS) and death. Nuclear factor erythroid-2 related factor 2 (Nrf2)-Kelch-like ECH-associated protein 1 (Keap1)-antioxidant response element (ARE) signal pathway participates in disease occurrence and progression via regulating inflammatory and oxidative stress response, but with its expression and functional roles in TLI largely unknown. MATERIALS AND METHODS: Wistar rats were randomly divided into control group, TLI group by crushing method, and Nrf2 activation group which received Nrf2 specific agonist sulforaphane 30 min before TLI treatment...
March 2018: European Review for Medical and Pharmacological Sciences
Jaein Seo, B Douglas Smith, Elihu Estey, Ernest Voyard, Bernadette O' Donoghue, John F P Bridges
OBJECTIVE: Acute myeloid leukemia (AML) is a progressive blood cancer with few effective treatment options. As part of a patient-focused drug development (PFDD) initiative led by the Leukemia and Lymphoma Society (LLS), we sought to use a community-centered approach to develop and pilot an instrument to measure patient preferences for the benefits and risks of treating AML. METHODS: Instrument development was informed by a literature review, engagement with expert stakeholders (n = 12), engagement with community stakeholders, and pretesting...
March 22, 2018: Current Medical Research and Opinion
José Luis Martínez-Rodríguez, Rosalinda Gutiérrez-Hernández, Claudia Araceli Reyes-Estrada, Angelica Judith Granados-López, Tatiana Arcos-Ortega, Jesús Adrián López
The metabolism of aromatic hydrocarbons by the organism forms products that cause cell death depending on the type of exposure. Benzene exposure has been linked to oxidative stress, hepatic damage, aplastic anemia and hematopoietic cancer as lymphoid and myeloid leukemia. However, there are not fast methods to evaluate chronically benzene exposure in human blood. The objective of this work was the evaluation of the correlation between oxidative damage with benzene exposure and the level of Cellular Plasma Membrane Stability (CPMS) in erythrocytes to use it as a future indicator to determine the grade of benzene intoxications...
March 22, 2018: Toxicology Mechanisms and Methods
Hirozumi Sano, Ryoji Kobayashi, Daisuke Suzuki, Daiki Hori, Kenji Kishimoto, Kunihiko Kobayashi
Pediatric patients with acute myeloid leukemia (AML) are at high risk of invasive fungal infection (IFI). In adult patients, the D-index, which reflects the duration and intensity of neutropenia, was reported as a predictive factor of IFI after induction therapy for AML. The aim of this study was to assess whether the D-index is a predictive factor for IFI in pediatric AML. We define the D-index as the area over the neutrophil curve during neutropenia. Ninety-two courses of chemotherapy performed for 24 consecutive patients with AML undergoing chemotherapy at Sapporo Hokuyu Hospital between April 2007 and March 2017 were analyzed...
March 21, 2018: International Journal of Hematology
Jiang Wu, Yu Song
The aim of this study was to examine the changes of serum matrix metalloproteinase-7 (MMP-7) and phosphatase and tension homolog (PTEN) in patients with acute myeloid leukemia (AML) at different time points following treatment. The levels of serum MMP-7 and PTEN were measured from 80 AML patients with a diagnosis of peripheral blood, immune cell phenotype, and bone marrow puncture cytology examination. Among these, there were 20 cases of complete remission, 20 cases of primary untreated patients, 21 cases of incomplete remission, and 19 cases of relapse after remission...
March 2018: Oncology Letters
Faten Moassass, Abdulsamad Wafa, Thomas Liehr, Ayman Al-Ablog, Walid Al Achkar
Background: Children with constitutional trisomy 21, i.e. Down syndrome (DS, OMIM #190685) have a 10 to 20-fold increased risk for a hematopoietic malignancy. They may suffer from acute lymphoblastic leukemia or acute myeloid leukemia (AML). AML referred to as myeloid leukemia of Down syndrome (ML-DS) is observed especially after birth at an early gestational age and characterized by enhanced white blood cell count, failure of spontaneous remission, liver fibrosis or liver dysfunction, and is significantly associated with early death...
2018: Molecular Cytogenetics
Suk-Yeon Lee, Seung-Hyun Kim, Suk-Gyu Ha
Central nervous system (CNS) involvement, including optic nerve involvement, in a patient with acute myeloid leukaemia (AML) is an extremely rare condition. We report a case of bilateral optic nerve involvement combined with unilateral facial palsy in a patient with AML who achieved complete remission following allogenic peripheral blood stem cell transplantation as a young patient. After further evaluation, the patient was diagnosed with a recurrence of AML with CNS involvement. The presentation of multiple types of CNS involvement in AML may be suspicious evidence of AML recurrence...
April 2018: Neuro-ophthalmology
Ann-Kathrin Eisfeld, Jessica Kohlschmidt, Krzysztof Mrózek, James S Blachly, Christopher J Walker, Deedra Nicolet, Shelley Orwick, Sophia E Maharry, Andrew J Carroll, Richard M Stone, Albert de la Chapelle, Eunice S Wang, Jonathan E Kolitz, Bayard L Powell, John C Byrd, Clara D Bloomfield
Thus far, only 5-15% of AML patients aged ≥60 years are cured with chemotherapy. Identification of patients who are less (more) likely to respond to standard chemotherapy might enable early risk stratification toward alternative treatment regimens. We used a next-generation sequencing panel of 80 cancer- and/or leukemia-associated genes to profile molecularly 423 older patients with de novo AML. Using variables identified in multivariable models and co-occurring mutations in NPM1-mutated AML, we classified the patients into good-, intermediate-, and poor-risk groups for complete remission (CR) attainment, disease-free (DFS), and overall survival (OS)...
February 25, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
Jason X Cheng, Li Chen, Yuan Li, Adam Cloe, Ming Yue, Jiangbo Wei, Kenneth A Watanabe, Jamile M Shammo, John Anastasi, Qingxi J Shen, Richard A Larson, Chuan He, Michelle M Le Beau, James W Vardiman
The roles of RNA 5-methylcytosine (RNA:m5 C) and RNA:m5 C methyltransferases (RCMTs) in lineage-associated chromatin organization and drug response/resistance are unclear. Here we demonstrate that the RCMTs, namely NSUN3 and DNMT2, directly bind hnRNPK, a conserved RNA-binding protein. hnRNPK interacts with the lineage-determining transcription factors (TFs), GATA1 and SPI1/PU.1, and with CDK9/P-TEFb to recruit RNA-polymerase-II at nascent RNA, leading to formation of 5-Azacitidine (5-AZA)-sensitive chromatin structure...
March 21, 2018: Nature Communications
Scott J Denstaedt, Joanna L Spencer-Segal, Michael W Newstead, Klaudia Laborc, Anne P Zhao, Alexander Hjelmaas, Xianying Zeng, Huda Akil, Theodore J Standiford, Benjamin H Singer
Sepsis commonly results in acute and chronic brain dysfunction, which dramatically increases the morbidity associated with this common disease. Chronic brain dysfunction in animal models of sepsis survival is linked to persistent neuroinflammation and expression of multiple cytokines. However, we have found previously that microglia predominantly upregulate the damage associated molecule S100A8/A9 after sepsis. In this article, we show that S100A8/A9 is increased in the brains of patients who died of sepsis and that S100A8 is expressed in astrocytes and myeloid cells...
March 21, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
Anil Dangi, Lei Zhang, Xiaomin Zhang, Xunrong Luo
Clinical tolerance without immunosuppression has now been achieved for organ transplantation, and its scope will likely continue to expand. In this context, a previously understudied and now increasingly relevant area is how microbial infections might affect the efficacy of tolerance. A highly prevalent and clinically relevant posttransplant pathogen is cytomegalovirus (CMV). Its impact on transplantation tolerance and graft outcomes is not well defined. Employing a mouse model of CMV (MCMV) infection and allogeneic pancreatic islet transplantation in which donor-specific tolerance was induced by infusing donor splenocytes rendered apoptotic by treatment with ethylenecarbodiimide, we investigated the effect of CMV infection on transplantation tolerance induction...
March 27, 2018: Blood Advances
Marina Macedo-Viñas, David W Denning
We aimed to estimate for the first time the burden of fungal infections in Uruguay. Data on population characteristics and underlying conditions were extracted from the National Statistics Institute, the World Bank, national registries, and published articles. When no data existed, risk populations were used to estimate frequencies extrapolating from the literature. Population structure (inhabitants): total 3,444,006; 73% adults; 35% women younger than 50 years. Size of populations at risk (total cases per year): HIV infected 12,000; acute myeloid leukemia 126; hematopoietic stem cell transplantation 30; solid organ transplants 134; COPD 272,006; asthma in adults 223,431; cystic fibrosis in adults 48; tuberculosis 613; lung cancer 1400...
March 18, 2018: Journal of Fungi (Basel, Switzerland)
N C Zhou, G H Li, R A Chen, L Liu
No abstract text is available yet for this article.
March 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Y J Xue, J Wu, Y X Zuo, Y P Jia, A D Lu, L P Zhang
Objective: To explore the clinical features and prognostic factors of Ph-positive and/or BCR-ABL positive acute lymphoblastic leukemia (Ph+ ALL) in children. Methods: The clinical data of 68 Ph+ ALL children who were treated at Peking University People's Hospital from December 2006 to December 2016 was retrospectively reviewed. Survival analysis were estimated by Kaplan-Meier method. Univariate analysis was estimated by Log-rank test and Chi-square, and multivariate analysis was estimated by Cox proportional hazards regression model...
March 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
H D Guo, Y J Chu, W P Yuan
No abstract text is available yet for this article.
February 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
X D Chu, E L Chen, X Y Zhu, B L Tang, C C Zheng, K D Song, X H Zhang, J Tong, X Wan, L Zhang, H L Liu, Z M Sun
Objective: To explore the clinical efficacy and safety of unrelated umbilical cord blood transplantation (UCBT) in the treatment of refractory and relapsed acute leukemia (AL) patients. Methods: The clinical data of 22 refractory and relapsed AL patients who were treated with UCBT as salvage therapy from November 2009 to May 2017 were retrospectively analyzed. All patients received a myeloablative conditioning regimen for prevention of graft-versus-host disease (GVHD) with cyclosporine A (CSA)/short course of mycophenolate mofetil (MMF)...
February 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Nicolette Kapp, Xiao X Stander, Barend A Stander
This project investigated the in-vitro effects of a glycolytic inhibitor, 3-bromopyruvate (3-BrP), in combination with and a new in silico-designed inhibitor of the bromodomain-4 (BRD-4) protein, ITH-47, on the U937 acute myeloid leukemia cell line. 3-BrP is an agent that targets the altered metabolism of cancer cells by interfering with glucose metabolism in the glycolytic pathway. ITH-47 is an acetyl-lysine inhibitor that displaces bromdomain 4 proteins from chromatin by competitively binding to the acetyl-lysine recognition pocket of this bromodomain and extraterminal (BET) BRD protein, thereby preventing transcription of cancer-associated genes and further cell growth...
March 20, 2018: Anti-cancer Drugs
Anja Molter, Stefanie Kathrein, Brigitte Kircher, Fabian Mohr
We report the results of a comparative study of the biological activity of a series of gold(i), palladium(ii) and ruthenium(ii) complexes containing deprotonated thio- and selenoureato ligands. A library of compounds was prepared and characterised by spectroscopic methods and the solid-state structures of several derivatives were determined by single crystal X-ray diffraction. The in vitro activity of these compounds was evaluated in mammary and ovarian carcinoma, acute lymphatic and acute and chronic myeloid leukemia cell lines...
March 21, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Ioannis Panagopoulos, Ludmila Gorunova, Hege Kilen Andersen, Astrid Bergrem, Anders Dahm, Kristin Andersen, Francesca Micci, Sverre Heim
Background: Acquired primary chromosomal changes in cancer are sometimes found as sole karyotypic abnormalities. They are specifically associated with particular types of neoplasia, essential in establishing the neoplasm, and they often lead to the generation of chimeric genes of pathogenetic, diagnostic, and prognostic importance. Thus, the report of new primary cancer-specific chromosomal aberrations is not only of scientific but also potentially of clinical interest, as is the detection of their gene-level consequences...
2018: Experimental Hematology & Oncology
Stamatis Karakonstantis, Ioanna Manika, Maria Vakonaki, Anna Boula
The occurrence of false-positive blood cultures in patients with acute myeloid leukemia has been rarely described in the literature. Awareness of this finding is important to avoid unnecessary delays in initiating appropriate cytoreductive therapy. Here, we present the case of a 70-year-old male with acute leukemia and persistently positive blood cultures despite broad-spectrum antibiotic therapy. No source of infection could be found clinically, and no pathogen could be isolated from blood cultures. Inspection of the CO2 plots of the positive blood cultures showed a steady linear increase in CO2 levels, suggesting false-positive detection by the automated microbial detection system...
2018: Case Reports in Medicine
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