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https://www.readbyqxmd.com/read/28231491/effect-of-granulocyte-colony-stimulating-factor-on-outcomes-in-patients-with-non-m3-acute-myelogenous-leukemia-treated-with-anthracycline-based-induction-7-3-regimen-chemotherapies
#1
Ka-Won Kang, Dae Sik Kim, Se Ryeon Lee, Hwa Jung Sung, Seok Jin Kim, Chul Won Choi, Byung Soo Kim, Yong Park
We analyzed the effects of granulocyte colony-stimulating factor (G-CSF) on outcomes in 315 anthracycline-based induction chemotherapy-treated patients with non-M3 acute myelogenous leukemia (AML). Patients were classified as follows: no G-CSF administration during induction (no G-CSF group; 112 patients); administration immediately upon neutropenia onset (absolute neutrophil counts (ANC)<1000/μL), but before febrile neutropenia (preemptive group; 74 patients); and administration following febrile neutropenia development (therapeutic group; 129 patients)...
February 8, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28229282/clinical-studies-in-hematologic-microtransplantation
#2
REVIEW
Kevin A David, Dennis Cooper, Roger Strair
The anti-tumor effects of allogeneic hematopoietic stem cell transplantation depend upon engraftment of donor cells followed by a graft-versus-tumor (GVT) effect. However, pre-clinical and clinical studies have established that under certain circumstances, anti-tumor responses can occur despite the absence of high levels of durable donor cell engraftment. Tumor response with little or no donor engraftment has been termed "microtransplantation." It has been hard to define conditions leading to tumor responses without donor cell persistence in humans because the degree of engraftment depends very heavily upon many patient-specific factors, including immune status and degree of prior therapy...
February 22, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28229039/clofarabine-desensitization-a-case-report-leukemia-research-reports
#3
Sarah M Hayes, Justin A Wasko, Erica Dahl Warlick
We describe a relapsed AML patient who had two prior severe reactions to clofarabine involving rigors, emesis, tachycardia, hypotension, and acute kidney injury. Given previous prolonged remission achieved with clofarabine and cytarabine therapy years prior, rechallenge was undertaken upon discovery of AML relapse. We designed a desensitization protocol performed with the first dose of clofarabine, leading to successful administration of the entire clofarabine/cytarabine treatment course. From this case we show promise for clofarabine rechallenge after prior hypersensitivity reactions in patients with few treatment options for relapsed AML...
2017: Leukemia Research Reports
https://www.readbyqxmd.com/read/28227175/an-asynchronous-multi-view-learning-approach-for-activity-recognition-using-wearables
#4
Yuchao Ma, Hassan Ghasemzadeh, Yuchao Ma, Hassan Ghasemzadeh, Hassan Ghasemzadeh
In this paper, we introduce an Asynchronous Multiview Learning (AML) approach to allow accurate transfer of activity classification models across asynchronous sensor views. Our study is motivated by the highly dynamic nature of health monitoring using wearable sensors. Such dynamics include changes in sensing platform (e.g., sensor upgrade) and platform settings (e.g., sampling frequency, on-body sensor location), which result in failure of the machine learning algorithms if they remain untrained in the new setting...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226685/tracking-of-the-anterior-mitral-leaflet-in-echocardiographic-sequences-using-active-contours
#5
Malik Saad Sultan, Nelson Martins, Diana Veiga, Manuel Joao Ferreira, Miguel Tavares Coimbra, Malik Saad Sultan, Nelson Martins, Diana Veiga, Manuel Joao Ferreira, Miguel Tavares Coimbra, Diana Veiga, Nelson Martins, Malik Saad Sultan, Miguel Tavares Coimbra, Manuel Joao Ferreira
Echocardiography assessment of cardiac valves plays a vital role in the diagnosis of rheumatic heart disease. In the vast majority of cases, the mitral valve gets affected, leading to the thickening of its leaflets that may result in the fusion of their tips. This changes the appearance and reduces the mobility of the leaflets, which also reduce the heart efficiency. Quantifying such parameters provides diagnostic insight. To achieve that, the first step is to identify and then track fast moving leaflets. This work is focused on Anterior Mitral Leaflet (AML) tracking...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225682/decitabine-in-tp53-mutated-aml
#6
LETTER
(no author information available yet)
No abstract text is available yet for this article.
23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28225631/conformational-changes-in-c-reactive-protein-affect-binding-to-curved-membranes-in-a-lipid-bilayer-model-of-the-apoptotic-cell-surface
#7
Aml Abd Alnaas, Carrie L Moon, Mitchell Alton, Scott M Reed, Michelle K Knowles
C-reactive protein (CRP) is a serum protein that binds to damaged membranes through a phosphatidylcholine binding site. The membrane binding process can initiate the complement immune response and facilitates the clearance of apoptotic cells, likely aiding in the protection of autoimmunity. The initiation of an immune response relies on a conformation change from a native, pentameric form to a modified form, where the modified form binds complement proteins (i.e. C1q) and regulatory proteins substantially better than the native form...
February 22, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28225168/correlations-between-epstein-barr-virus-and-acute-leukemia
#8
Hongzai Guan, Hongxia Miao, Na Ma, Wei Lu, Bing Luo
Infection with Epstein-Barr virus (EBV) may be correlated to the onset of acute leukemia (AL). Studies were performed to investigate the relationship between EBV infection and immunophenotyping of acute lymphoblastic leukemia (ALL) and chromosome aberrations. Additionally, the effects of EBV on clinical prognosis were described. Fluorescence quantitative polymerase chain reaction (FQ-PCR) was used to detect EBV-DNA copy numbers from bone marrow in 110 cases of patients with ALL, 75 cases of patients with myeloid leukemia (AML) and 37 cases of hematologically healthy control subjects...
February 22, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28224765/dysregulation-of-telomere-lengths-and-telomerase-activity-in-myelodysplastic-syndrome
#9
Hee Sue Park, Jungeun Choi, Cha Ja See, Jung Ah Kim, Si Nae Park, Kyongok Im, Sung Min Kim, Dong Soon Lee, Sang Mee Hwang
BACKGROUND: Telomere shortening is thought to be involved in the pathophysiology of myeloid malignancies, but telomere lengths (TL) during interphase and metaphase in hematopoietic malignancies have not been analyzed. We aimed to assess the TLs of interphase and metaphase cells of MDS and telomerase activity (TA) and to find out prognostic significances of TL and TA. METHODS: The prognostic significance of TA by quantitative PCR and TL by quantitative fluorescence in situ hybridization (QFISH) of interphase nuclei and metaphase chromosome arms of bone marrow cells from patients with MDS were evaluated...
May 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28224619/fl-asparaginase-mediated-downregulation-of-c-myc-promotes-1-25-oh-2-d3-induced-myeloid-differentiation-in-acute-myeloid-leukemia-cells
#10
Ju Han Song, Eunchong Park, Myun Soo Kim, Kyung-Min Cho, Su-Ho Park, Arim Lee, Jiseon Song, Hyeoung-Joon Kim, Jeong-Tae Koh, Tae Sung Kim
Treatment of acute myeloid leukemia (AML) largely depends on chemotherapy, but current regimens have been unsatisfactory for long-term remission. Although differentiation induction therapy utilizing 1,25(OH)2 D3 (VD3) has shown great promise for the improvement of AML treatment efficacy, severe side effects caused by its supraphysiological dose limit its clinical application. Here we investigated the combinatorial effect of l-asparaginase (ASNase)-mediated amino acid depletion and the latent alternation of VD3 activity on the induction of myeloid differentiation...
February 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28224273/over-expression-of-mir-196b-5p-is-significantly-associated-with-the-progression-of-myelodysplastic-syndrome
#11
Jing Wen, Ying Huang, Hongying Li, Xupai Zhang, Peng Cheng, Donghong Deng, Zhigang Peng, Jun Luo, Weihua Zhao, Yongrong Lai, Zhenfang Liu
Myelodysplastic syndrome (MDS) is a clonal stem cell disorder characterized by ineffective hematopoiesis with a high risk of transformation to acute myeloid leukemia (AML). miRNAs function as tumor suppressors and oncogenes in various cancers and regulate the differentiation potential of hematopoietic stem and progenitor cells (HSPCs). It has been suggested that miRNAs may play an important role in progression of MDS. We analyzed bone marrow samples collected from MDS patients according to different risk stratification indicated by the International Prognostic Scoring System (IPSS)...
February 21, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28223820/flt3-inhibitors-clinical-potential-in-acute-myeloid-leukemia
#12
REVIEW
Marie-Anne Hospital, Alexa S Green, Thiago T Maciel, Ivan C Moura, Anskar Y Leung, Didier Bouscary, Jerome Tamburini
Acute myeloid leukemia (AML) is an aggressive hematopoietic malignancy that is cured in as few as 15%-40% of cases. Tremendous improvements in AML prognostication arose from a comprehensive analysis of leukemia cell genomes. Among normal karyotype AML cases, mutations in the FLT3 gene are the ones most commonly detected as having a deleterious prognostic impact. FLT3 is a transmembrane tyrosine kinase receptor, and alterations of the FLT3 gene such as internal tandem duplications (FLT3-ITD) deregulate FLT3 downstream signaling pathways in favor of increased cell proliferation and survival...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28222251/prognostic-methylation-markers-for-overall-survival-in-cytogenetically-normal-patients-with-acute-myeloid-leukemia-treated-on-swog-trials
#13
Xiaoyu Qu, Megan Othus, Jerry Davison, Yu Wu, Liying Yan, Soheil Meshinchi, Fabiana Ostronoff, Elihu H Estey, Jerry P Radich, Harry P Erba, Frederick R Appelbaum, Min Fang
BACKGROUND: Aberrant DNA methylation is known to occur in patients with acute myeloid leukemia (AML), whereas methylation signatures and prognostic markers have been proposed. The objective of the current study was to evaluate all CpG sites of the genome and identify prognostic methylation markers for overall survival in patients with AML with normal karyotype (AML-NK). METHODS: AML-NK samples from 7 SWOG trials were analyzed using a novel genome-wide approach called "CHARMcox" (comprehensive high-throughput array-based relative methylation analysis combined with the Cox proportional hazards model) controlling for known clinical covariates...
February 21, 2017: Cancer
https://www.readbyqxmd.com/read/28221862/randomized-phase-ii-study-of-clofarabine-based-consolidation-for-younger-adults-with-acute-myeloid-leukemia-in-first-remission
#14
Xavier Thomas, Stéphane de Botton, Sylvie Chevret, Denis Caillot, Emmanuel Raffoux, Emilie Lemasle, Jean-Pierre Marolleau, Céline Berthon, Arnaud Pigneux, Norbert Vey, Oumedaly Reman, Marc Simon, Christian Recher, Jean-Yves Cahn, Olivier Hermine, Sylvie Castaigne, Karine Celli-Lebras, Norbert Ifrah, Claude Preudhomme, Christine Terré, Hervé Dombret
Purpose To evaluate the efficacy and safety of a clofarabine-based combination (CLARA) versus conventional high-dose cytarabine (HDAC) as postremission chemotherapy in younger patients with acute myeloid leukemia (AML). Patients and Methods Patients age 18 to 59 years old with intermediate- or unfavorable-risk AML in first remission and no identified donor for allogeneic stem-cell transplantation (SCT) were eligible. Two hundred twenty-one patients were randomly assigned to receive three CLARA or three HDAC consolidation cycles...
February 21, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28220884/exploration-of-the-role-of-gene-mutations-in-myelodysplastic-syndromes-through-a-sequencing-design-involving-a-small-number-of-target-genes
#15
Feng Xu, Ling-Yun Wu, Qi He, Dong Wu, Zheng Zhang, Lu-Xi Song, You-Shan Zhao, Ji-Ying Su, Li-Yu Zhou, Juan Guo, Chun-Kang Chang, Xiao Li
Novel sequencing designs are necessary to supplement the recognized knowledge of myelodysplastic syndrome (MDS)-related genomic alterations. In this study, we sequenced 28 target genes in 320 Chinese MDS patients but obtained 77.2% of recall factors and 82.8% of genetic abnormalities (including karyotype abnormalities). In addition to known relationships among mutations, some specific chromosomal abnormalities were found to link to specific gene mutations. Trisomy 8 tended to be linked to U2AF1 and ZRSR2 mutations, and 20q- exhibited higher SRSF2/WT1 and U2AF1 mutation frequency...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219393/molecular-and-genetic-alterations-associated-with-therapy-resistance-and-relapse-of-acute-myeloid-leukemia
#16
REVIEW
Hubert Hackl, Ksenia Astanina, Rotraud Wieser
BACKGROUND: The majority of individuals with acute myeloid leukemia (AML) respond to initial chemotherapy and achieve a complete remission, yet only a minority experience long-term survival because a large proportion of patients eventually relapse with therapy-resistant disease. Relapse therefore represents a central problem in the treatment of AML. Despite this, and in contrast to the extensive knowledge about the molecular events underlying the process of leukemogenesis, information about the mechanisms leading to therapy resistance and relapse is still limited...
February 20, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28219225/-effect-of-nccn-2015-risk-stratification-on-prognosis-of-patients-with-acute-myeloid-leukemia-after-allogeneic-hematopoietic-stem-cell-transplantation
#17
Y Lu, T Wu, Y L Zhao, X Y Cao, D Y Liu, J P Zhang, M Xiong, J R Zhou, R J Sun, Z J Wei, H Wang, H X Liu, T Wang, C R Tong, S Q Ji, D P Lu
Objective: To analyze the effect of NCCN (2015) risk stratification on prognosis of patients with acute myeloid leukemia (AML) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) . Methods: Retrospective analysis of 258 patients with AML in CR (186 cases in CR(1), 72 cases in CR(2)) who underwent allogeneic HSCT in our hospital between April 2012 and March 2015 according to NCCN (2015) risk stratification. Of them, 63 cases were classified as low risk, 112 cases intermediate risk and 83 cases high risk...
January 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28219218/-prognostic-significance-of-early-assessment-of-minimal-residual-disease-in-acute-myeloid-leukemia-with-mutated-npm1-patients
#18
T Zhao, H H Zhu, J Wang, J S Jia, S M Yang, H Jiang, J Lu, H Chen, L P Xu, X H Zhang, B Jiang, G R Ruan, D B Wang, X J Huang, Q Jiang
Objective: To explore prognostic significance of early assessment of minimal residual leukemia (MRD) in adult patients with de novo acute myeloid leukemia (AML) with mutated NPM1. Methods: The response, NPM1 mutated transcript level after induction chemotherapy and the first 2 cycles of consolidation chemotherapy, disease-free survival (DFS) and overall survival (OS) in 137 patients with AML with NPM1 mutations of A, B and D were retrospectively analyzed. Results: Data of 137 patients were collected, 67 were male, the median age was 49 years (16-67 years) , 107 (78...
January 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/28219093/-impact-of-vitamin-d-in-sports-does-vitamin-d-insufficiency-compromise-athletic-performance
#19
Sebastian Butscheidt, Tim Rolvien, Peter Ueblacker, Michael Amling, Florian Barvencik
: Introduction Vitamin D is essential for calcium homeostasis and regulates the expression of over 900 genes. It thereby influences musculoskeletal health and function. Additionally, multiple other effects were observed through the detection of vitamin D receptors (VDR) in numerous tissues of the human body. Material and Methods We reviewed the literature regarding evidence of the impact of vitamin D on musculoskeletal health and peak athletic performance. Results and Discussion It is well known that there is a high prevalence of vitamin D deficiency in the average European population...
February 20, 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/28219003/targeting-the-cxcl12-cxcr4-axis-in-acute-myeloid-leukemia-from-bench-to-bedside
#20
Byung-Sik Cho, Hee-Je Kim, Marina Konopleva
The interactions between the cancerous cells of acute myeloid leukemia (AML) and the bone marrow (BM) microenvironment have been postulated to be important for resistance to chemotherapy and disease relapse in AML. The chemokine receptor CXC chemokine receptor 4 (CXCR4) and its ligand, CXC motif ligand 12 (CXCL12), also known as stromal cell-derived factor 1α, are key mediators of this interaction. CXCL12 is produced by the BM microenvironment, binds and activates its cognate receptor CXCR4 on leukemic cells, facilitates leukemia cell trafficking and homing in the BM microenvironment, and keeps leukemic cells in close contact with the stromal cells and extracellular matrix that constitutively generate growth-promoting and anti-apoptotic signals...
February 21, 2017: Korean Journal of Internal Medicine
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