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Acute leukemias

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
(no author information available yet)
No abstract text is available yet for this article.
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
F Yang, W Z Cai, X D Yang, S N Chen, X W Tang, A N Sun, D P Wu, W Q Qian, H Y Qiu
Objective: To investigate the efficacy of sequential treatment with first-line administration of second-generation tyrosine kinase inhibitors (TKI) and first-generation TKI (imatinib) in patients with Ph+ acute lymphoblastic leukemia (Ph+ ALL) followed by allogeneic hematopoietic stem cell transplantation (allo-HSCT). Methods: Retrospective analysis of clinical features and prognosis of 76 newly diagnosed Ph+ ALL patients from June 2011 to December 2015 treated by allo-HSCT combined with first-line administration of second-generation or first-generation TKI was performed and the efficacy compared...
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
J Feng, X Y Gong, Y J Jia, K Q Liu, Y Li, X B Dong, Q Y Fang, K Ru, Q H Li, H J Wang, X L Zhao, Y N Jia, Y Song, Z Tian, M Wang, K J Tang, J X Wang, Y C Mi
Objective: To investigate the spectrum of gene mutations in adult patients with B-acute lymphoblastic leukemia (B-ALL), and to analyze the influences of different gene mutations on prognosis. Methods: DNA samples from 113 adult B-ALL patients who administered from June 2009 to September 2015 were collected. Target-specific next generation sequencing (NGS) approach was used to analyze the mutations of 112 genes (focused on the specific mutational hotspots) and all putative mutations were compared against multiple databases to calculate the frequency spectrum...
February 14, 2018: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
Giuseppe Giannaccare, Francesca Bonifazi, Stefano Sebastiani, Mariarosaria Sessa, Marco Pellegrini, Mario Arpinati, Fabiana Moscardelli, Piera Versura, Emilio Campos
PURPOSE: To perform qualitative and quantitative analysis of meibomian gland (MG) dropout in hematological patients before hematopoietic stem cell transplantation (HSCT) and to correlate it with both ocular surface and hematological characteristics. METHODS: This prospective study included 46 consecutive patients undergoing HSCT and 30 age- and sex-matched healthy controls. Noninvasive meibography of the lower eyelid, meiboscore (Pult scale), Schirmer test type I, tear film breakup time, and corneal and conjunctival staining were measured...
March 20, 2018: Cornea
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
Andoni Garitano-Trojaola, Edurne San José-Enériz, Teresa Ezponda, Juan Pablo Unfried, Arantxa Carrasco-León, Nerea Razquin, Marina Barriocanal, Amaia Vilas-Zornoza, Bruno Sangro, Victor Segura, Felipe Prósper, Puri Fortes, Xabier Agirre
Long Non-Coding RNAs (lncRNAs) are functional RNAs longer than 200 nucleotides in length. Several lncRNAs are involved in cell proliferation and are deregulated in several human tumors. Few lncRNAs have been described to play a role in Acute Lymphoblastic Leukemia (ALL). In this study, we carried out a genome wide lncRNA expression profiling in ALL samples and peripheral blood samples obtained from healthy donors. We detected 43 lncRNAs that were aberrantly expressed in ALL. Interestingly, among them, linc-PINT showed a significant downregulation in T and B-ALL...
February 27, 2018: Oncotarget
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
Ali Amanati, Nader Shakibazad, Bahman Pourabbas, Mohammad Hossein Nowroozzadeh, Soheila Zareifar, Omid Reza Zekavat
Cytomegalovirus (CMV) retinitis is one of the rare but debilitating presentations of the CMV infection in children with leukemia. Herein, we report a 12-year-old boy with acute myeloid leukemia complicated by rapid progressive visual loss during relapse of leukemia. The definite diagnosis of CMV retinitis was made after vitreous aspiration. Despite prompt treatment and ophthalmologic intervention, he died because of AML relapse. Viral infections, especially cytomegalovirus infection, may present with vague clinical pictures during any time of chemotherapy, which may not be easily distinguishable from bacterial or fungal retinitis and also chemotherapy-induced retinopathies...
2018: Case Reports in Medicine
Mohamed Rahmani, Jewel Nkwocha, Elisa Hawkins, Xinyan Pei, Rebecca E Parker, Maciej Kmieciak, Joel D Leverson, Deepak Sampath, Andrea Ferreira-Gonzalez, Steven Grant
Inhibitors targeting BCL-2 apoptotic proteins have significant potential for the treatment of acute myeloid leukemia (AML); however, complete responses are observed in only 20% of patients suggesting targeting BCL-2 alone is insufficient to yield durable responses. Here we assessed the efficacy of co-administration of the PI3K/mTOR inhibitor GDC-0980 or the p110β-sparing PI3K inhibitor taselisib with the selective BCL-2 antagonist venetoclax in AML cells. Tetracycline-inducible downregulation of BCL-2 significantly sensitized MV4-11 and MOLM-13 AML cells to PI3K inhibition...
March 20, 2018: Cancer Research
Eris Tollkuci
Midostaurin is the first approved FMS-related tyrosine kinase 3 (FLT3) inhibitor indicated for FLT3 mutated acute myeloid leukemia. Midostaurin is a major cytochrome P450 3A4 (CYP3A4) substrate. Coadministration with a strong CYP3A4 inhibitor or inducer can lead to a potential increase or decrease in midostaurin exposure. This report describes a 43-year-old patient with FLT3-internal tandem duplication (FLT3-ITD) positive acute myeloid leukemia who initially presented with leukocytosis and concern for acute leukemia...
January 1, 2018: Journal of Oncology Pharmacy Practice
Waltraud Friesenbichler, Angela Schumich, Ingrid Simonitsch-Klupp, Renate Panzer-Grümayer, Oskar Haas, Georg Mann, Michael Dworzak
Myelofibrosis is associated with a wide variety of neoplastic and non-neoplastic bone marrow diseases, predominately myeloproliferative neoplasms and acute myeloid leukemia. The following case documents an unusual patient presenting with pancytopenia and acute myelofibrosis accompanied by precursor B-cell acute lymphoblastic leukemia. This very rare clinical presentation raises questions concerning the relationship between concurrent occurrence of acute myelofibrosis and acute lymphoblastic leukemia.
March 19, 2018: Journal of Pediatric Hematology/oncology
Gleb G Mironov, Alexandre Bouzekri, Jessica Watson, Olga Loboda, Olga Ornatsky, Maxim V Berezovski
Mass cytometry is a novel cell-by-cell analysis technique, which uses elemental tags instead of fluorophores. Sample cells undergo rapid ionization in inductively coupled plasma and the ionized elemental tags are then analyzed by means of time-of-flight mass spectrometry. Benefits of the mass cytometry approach are in no need for compensation, the high number of detection channels (up to 100) and low background noise. In this work, we applied a biotinylated aptamer against human PTK7 receptor for characterization of positive (human acute lymphoblastic leukemia) and negative (human Burkitt's lymphoma) cells by a mass cytometry instrument...
March 20, 2018: Analytical and Bioanalytical Chemistry
Despina Piatopoulou, Margaritis Avgeris, Ioanna Drakaki, Antonios Marmarinos, Marieta Xagorari, Margarita Baka, Apostolos Pourtsidis, Lydia Kossiva, Dimitrios Gourgiotis, Andreas Scorilas
Although childhood acute lymphoblastic leukemia (ALL) is characterized by high remission rates, there are still patients who experience poor response to therapy or toxic effects due to intensive treatment. In the present study, we examined the expression profile of miR-143 and miR-182 in childhood ALL and evaluated their clinical significance for patients receiving Berlin-Frankfurt-Münster (BFM) protocol. Bone marrow specimens from 125 childhood ALL patients upon diagnosis and the end-of-induction (EoI; day 33), as well as from 64 healthy control children undergone RNA extraction, polyadenylation, and reverse transcription...
March 20, 2018: Annals of Hematology
Nathan Punwani, Noah Merin, Ann Mohrbacher, George Yaghmour, Allison Sano, Laleh Ramezani, Preet M Chaudhary, Giridharan Ramsingh
Microtransplantation (MST), a type of HLA-mismatched allogeneic cellular therapy, is a promising, cellular therapy for acute myeloid leukemia (AML). MST transfuses granulocyte colony-stimulating factor (G-CSF)-mobilized, HLA-mismatched donor peripheral blood stem cells into patients undergoing conventional chemotherapy. MST, using haploidentical donors, has been shown to yield clinical benefit without any permanent marrow engraftment in AML. Consequently, graft-versus-host disease concerns are rendered irrelevant with no need for immunosuppression...
2018: Leukemia Research Reports
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