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https://www.readbyqxmd.com/read/28441541/molecular-interaction-of-2-4-diacetylphloroglucinol-dapg-with-human-serum-albumin-hsa-the-spectroscopic-calorimetric-and-computational-investigation
#1
Pragna Lakshmi T, Moumita Mondal, Krishna Ramadas, Sakthivel Natarajan
Drug molecule interaction with human serum albumin (HSA) affects the distribution and elimination of the drug. The compound, 2,4-diacetylphloroglucinol (DAPG) has been known for its antimicrobial, antiviral, antihelminthic and anticancer properties. However, its interaction with HSA is not yet reported. In this study, the interaction between HSA and DAPG was investigated through steady-state fluorescence, time-resolved fluorescence (TRF), circular dichroism (CD), Fourier transform infrared (FT-IR) spectroscopy, isothermal titration calorimetry (ITC), molecular docking and molecular dynamics simulation (MDS)...
April 18, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28438518/testicular-spermatogenesis-and-sperm-morphology-in-martarega-bentoi-heteroptera-notonectidae
#2
Ademária M Novais, Glenda Dias, José Lino-Neto
The testicular, spermatogenesis and sperm morphology of the backswimmer Martarega bentoi was described using light and transmission electron microscopy. In this species, a pair of testes, two deferent ducts, two different pairs of accessory glands, and an ejaculatory duct form the male reproductive system. Each testis consists of two testicular follicles, which are arranged side by side in snail shape. The follicles are filled with cysts at different stages of spermatogenesis, but in the same cyst the germ cells (up to 64) are in the same stage...
April 21, 2017: Arthropod Structure & Development
https://www.readbyqxmd.com/read/28436936/the-u2af1s34f-mutation-induces-lineage-specific-splicing-alterations-in-myelodysplastic-syndromes
#3
Bon Ham Yip, Violetta Steeples, Emmanouela Repapi, Richard N Armstrong, Miriam Llorian, Swagata Roy, Jacqueline Shaw, Hamid Dolatshad, Stephen Taylor, Amit Verma, Matthias Bartenstein, Paresh Vyas, Nicholas C P Cross, Luca Malcovati, Mario Cazzola, Eva Hellström-Lindberg, Seishi Ogawa, Christopher W J Smith, Andrea Pellagatti, Jacqueline Boultwood
Mutations of the splicing factor-encoding gene U2AF1 are frequent in the myelodysplastic syndromes (MDS), a myeloid malignancy, and other cancers. Patients with MDS suffer from peripheral blood cytopenias, including anemia, and an increasing percentage of bone marrow myeloblasts. We studied the impact of the common U2AF1S34F mutation on cellular function and mRNA splicing in the main cell lineages affected in MDS. We demonstrated that U2AF1S34F expression in human hematopoietic progenitors impairs erythroid differentiation and skews granulomonocytic differentiation toward granulocytes...
April 24, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28435846/psychometric-properties-and-characteristics-of-the-north-east-visual-hallucinations-interview-in-parkinson-s-disease
#4
Kelsey A Holiday, Eva Pirogovsky-Turk, Vanessa L Malcarne, J Vincent Filoteo, Irene Litvan, Stephanie L Lessig, David Song, Dawn M Schiehser
BACKGROUND: Visual Hallucinations (VH) are a common symptom experienced by individuals with Parkinson's disease (PD); however, a validated measure of VH has yet to be established for this population. The North-East Visual Hallucinations Interview (NEVHI), a promising VH measure, has not been well validated in PD. The aim of this study was to evaluate the convergent and discriminant validity of the NEVHI as well as the proportional identification and characteristics of VH in PD. METHODS: One hundred seventeen individuals with PD completed the NEVHI as well as evaluations of psychological, cognitive, motor, and visual functioning as measures of convergent and divergent validity...
March 16, 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28433523/association-of-preresidency-peer-reviewed-publications-with-radiation-oncology-resident-choice-of-academic-versus-private-practice-career
#5
Shearwood McClelland, Charles R Thomas, Lynn D Wilson, Emma B Holliday, Jerry J Jaboin
INTRODUCTION: The decision of radiation oncology residents to pursue academic versus private practice careers plays a central role in shaping the present and future of the field, but factors that are potentially predictive of this decision are lacking. This study was performed to examine the role of several factors publicly available before residency on postresidency career choice, including preresidency peer-reviewed publications (PRPs), which have been associated with resident career choice in comparably competitive subspecialties such as neurosurgery...
April 5, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28432724/fluorescent-aerolysin-flaer-based-paroxysmal-nocturnal-hemoglobinuria-pnh-screening-a-single-center-experience-from-india
#6
K Rahman, R Gupta, G Yadav, N Husein, M K Singh, S Nityanand
BACKGROUND: Fluorescent aerolysin (FLAER) has been recommended as an important part of antibody panel used for flow cytometric detection of paroxysmal nocturnal hemoglobinuria (PNH) clone. This study was aimed to observe the frequency of PNH-positive clones and their sizes in patients screened for various indications. METHOD: A retrospective analysis of 624 patients screened over a period of 30 months. Frequency and size of clone sizes noted, and laboratory parameters were compared among different groups of patient being screened...
April 22, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28431914/pain-trajectories-of-nursing-home-residents-nearing-death
#7
Genevieve N Thompson, Malcolm Doupe, R Colin Reid, Jennifer Baumbusch, Carole A Estabrooks
BACKGROUND/OBJECTIVES: Although examining point in time prevalence of pain among nursing home (NH) residents has value, there is a lack of evidence describing the actual changes (ie, trajectories) in pain that take place during their last 6 months of life. The main objective of this study is to describe the major pain trajectories experienced by NH residents during their last 6 months of life. DESIGN: Secondary analysis of Resident Assessment Instrument-Minimum Data Set (MDS) 2...
April 18, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28431829/utility-of-the-new-movement-disorder-society-clinical-diagnostic-criteria-for-parkinson-s-disease-applied-retrospectively-in-a-large-cohort-study-of-recent-onset-cases
#8
Naveed Malek, Michael A Lawton, Katherine A Grosset, Nin Bajaj, Roger A Barker, Yoav Ben-Shlomo, David J Burn, Tom Foltynie, John Hardy, Huw R Morris, Nigel M Williams, Nicholas Wood, Donald G Grosset
OBJECTIVE: To examine the utility of the new Movement Disorder Society (MDS) diagnostic criteria in a large cohort of Parkinson's disease (PD) patients. METHODS: Recently diagnosed (<3.5 years) PD cases fulfilling United Kingdom (UK) brain bank criteria in Tracking Parkinson's, a UK multicenter prospective natural history study were assessed by retrospective application of the MDS criteria. RESULTS: In 2000 cases, 1835 (91.7%) met MDS criteria for PD, either clinically established (n = 1261, 63...
April 12, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28430954/increased-multinucleated-megakaryocytes-as-an-isolated-finding-in-bone-marrow-%C3%A2-a-rare-finding-and-its-clinical-significance
#9
Majd D Jawad, Ronald S Go, Kaaren K Reichard, Min Shi
Objectives: Multinucleated megakaryocytes are a unique morphologic form of megakaryocytes characterized by multiple, distinctly separated nuclei. We investigated whether increased multinucleated megakaryocytes (≥25%) in otherwise normal-appearing bone marrow were associated with the development of a myelodysplastic syndrome (MDS). Methods: We retrospectively reviewed the medical records and bone marrow biopsy specimens of patients evaluated at our institution from 2011 to 2015 that met all of the following criteria: (1) 25% or more multinucleated megakaryocytes, (2) no other dysplastic features, (3) absence of a myeloid neoplasm, and (4) absence of neoplastic karyotypic abnormalities...
November 1, 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28429913/effect-of-glucomannan-on-functional-constipation-in-children-a-systematic-review-and-meta-analysis-of-randomised-controlled-trials
#10
Yong Han, Lei Zhang, Xiang-Qun Liu, Zhi-Jun Zhao, Lu-Xian Lv
BACKGROUND AND OBJECTIVES: Constipation, a common complaint in children, considerably affects the quality of life. This systematic review assessed the treatment effects of glucomannan on children with constipation by summarising evidence from previous randomised controlled trials (RCTs). METHODS AND STUDY DESIGN: A comprehensive electronic literature search was conducted for identifying eligible RCTs that evaluated the effectiveness of glucomannan. The results were reported as mean differences (MDs), standardised mean differences (SMDs), and risk ratios (RRs) with 95% confidence intervals (CIs)...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28429825/validation-of-the-mds-research-criteria-for-prodromal-parkinson-s-disease-longitudinal-assessment-in-a-rem-sleep-behavior-disorder-rbd-cohort
#11
Seyed-Mohammad Fereshtehnejad, Jacques Y Montplaisir, Amelie Pelletier, Jean-François Gagnon, Daniela Berg, Ronald B Postuma
BACKGROUND: Recently, the International Parkinson and Movement Disorder Society introduced the prodromal criteria for PD. Objectives Our study aimed to examine diagnostic accuracy of the criteria as well as the independence of prodromal markers to predict conversion to PD or dementia with Lewy bodies. METHODS: This prospective cohort study was performed on 121 individuals with rapid eye movement sleep behavior disorder who were followed annually for 1 to 12 years...
April 21, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28429747/imaging-genetics-approach-to-parkinson-s-disease-and-its-correlation-with-clinical-score
#12
Mansu Kim, Jonghoon Kim, Seung-Hak Lee, Hyunjin Park
Parkinson's disease (PD) is a progressive neurodegenerative disorder associated with both underlying genetic factors and neuroimaging findings. Existing neuroimaging studies related to the genome in PD have mostly focused on certain candidate genes. The aim of our study was to construct a linear regression model using both genetic and neuroimaging features to better predict clinical scores compared to conventional approaches. We obtained neuroimaging and DNA genotyping data from a research database. Connectivity analysis was applied to identify neuroimaging features that could differentiate between healthy control (HC) and PD groups...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429724/clonal-evolution-in-myelodysplastic-syndromes
#13
Pedro da Silva-Coelho, Leonie I Kroeze, Kenichi Yoshida, Theresia N Koorenhof-Scheele, Ruth Knops, Louis T van de Locht, Aniek O de Graaf, Marion Massop, Sarah Sandmann, Martin Dugas, Marian J Stevens-Kroef, Jaroslav Cermak, Yuichi Shiraishi, Kenichi Chiba, Hiroko Tanaka, Satoru Miyano, Theo de Witte, Nicole M A Blijlevens, Petra Muus, Gerwin Huls, Bert A van der Reijden, Seishi Ogawa, Joop H Jansen
Cancer development is a dynamic process during which the successive accumulation of mutations results in cells with increasingly malignant characteristics. Here, we show the clonal evolution pattern in myelodysplastic syndrome (MDS) patients receiving supportive care, with or without lenalidomide (follow-up 2.5-11 years). Whole-exome and targeted deep sequencing at multiple time points during the disease course reveals that both linear and branched evolutionary patterns occur with and without disease-modifying treatment...
April 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28428897/acute-myeloid-leukemia-with-basophilic-differentiation-transformed-from-myelodysplastic-syndrome
#14
Yasuhiro Tanaka, Atsushi Tanaka, Akiko Hashimoto, Kumiko Hayashi, Isaku Shinzato
Myelodysplastic syndrome (MDS) terminally transforms to acute myeloid leukemia (AML) or bone marrow failure syndrome, but acute myeloid leukemia with basophilic differentiation has been rarely reported. An 81-year-old man was referred to our department for further examination of intermittent fever and normocytic anemia during immunosuppressive treatment. Chromosomal analysis showed additional abnormalities involving chromosome 7. He was diagnosed as having MDS. At the time of diagnosis, basophils had not proliferated in the bone marrow...
2017: Case Reports in Hematology
https://www.readbyqxmd.com/read/28428239/mds-with-isolated-del-5q-and-internuclear-bridging
#15
Zhaodong Xu, Jean McGowan-Jordan
No abstract text is available yet for this article.
April 20, 2017: Blood
https://www.readbyqxmd.com/read/28427179/comprehensive-mapping-of-the-effects-of-azacitidine-on-dna-methylation-repressive-permissive-histone-marks-and-gene-expression-in-primary-cells-from-patients-with-mds-and-mds-related-disease
#16
Magnus Tobiasson, Hani Abdulkadir, Andreas Lennartsson, Shintaro Katayama, Francesco Marabita, Ayla De Paepe, Mohsen Karimi, Kaarel Krjutskov, Elisabet Einarsdottir, Michael Grövdal, Monika Jansson, Asmaa Ben Azenkoud, Lina Corddedu, Sören Lehmann, Karl Ekwall, Juha Kere, Eva Hellström-Lindberg, Johanna Ungerstedt
Azacitidine (Aza) is first-line treatment for patients with high-risk myelodysplastic syndromes (MDS), although its precise mechanism of action is unknown. We performed the first study to globally evaluate the epigenetic effects of Aza on MDS bone marrow progenitor cells assessing gene expression (RNA seq), DNA methylation (Illumina 450k) and the histone modifications H3K18ac and H3K9me3 (ChIP seq). Aza induced a general increase in gene expression with 924 significantly upregulated genes but this increase showed no correlation with changes in DNA methylation or H3K18ac, and only a weak association with changes in H3K9me3...
February 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421266/reactive-oxygen-species-mediated-t-lymphocyte-abnormalities-in-an-iron-overloaded-mouse-model-and-iron-overloaded-patients-with-myelodysplastic-syndromes
#17
Jie Chen, Wen-Yi Lu, Ming-Feng Zhao, Xiao-Li Cao, Yan-Yu Jiang, Xin Jin, Ping Xu, Ting-Ting Yuan, Yu-Chen Zhang, Xiao Chai, Juan-Xia Meng, Qing Li, Xia Xiao, Juan Mu, De-Guan Li, Ai-Ping Qi
The adverse effects of iron overload have raised more concerns as a growing number of studies reported its association with immune disorders. This study aimed to investigate alterations in the immune system by iron overload in patients with myelodysplastic syndrome (MDS) and an iron-overloaded mouse model. The peripheral blood from patients was harvested to test the effect of iron overload on the subsets of T lymphocytes, and the level of reactive oxygen species (ROS) was also evaluated. The data showed that iron-overloaded patients had a lower percentage of CD3(+) T cells and disrupted T cell subsets, concomitant with higher ROS level in lymphocytes...
April 18, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28420120/clinical-outcomes-of-217-patients-with-acute-erythroleukemia-according-to-treatment-type-and-line-a-retrospective-multinational-study
#18
Antonio M Almeida, Thomas Prebet, Raphael Itzykson, Fernando Ramos, Haifa Al-Ali, Jamile Shammo, Ricardo Pinto, Luca Maurillo, Jaime Wetzel, Pellegrino Musto, Arjan A Van De Loosdrecht, Maria Joao Costa, Susana Esteves, Sonja Burgstaller, Reinhard Stauder, Eva M Autzinger, Alois Lang, Peter Krippl, Dietmar Geissler, Jose Francisco Falantes, Carmen Pedro, Joan Bargay, Guillermo Deben, Ana Garrido, Santiago Bonanad, Maria Diez-Campelo, Sylvain Thepot, Lionel Ades, Wolfgang R Sperr, Peter Valent, Pierre Fenaux, Mikkael A Sekeres, Richard Greil, Lisa Pleyer
Acute erythroleukemia (AEL) is a rare disease typically associated with a poor prognosis. The median survival ranges between 3-9 months from initial diagnosis. Hypomethylating agents (HMAs) have been shown to prolong survival in patients with myelodysplastic syndromes (MDS) and AML, but there is limited data of their efficacy in AEL. We collected data from 210 AEL patients treated at 28 international sites. Overall survival (OS) and PFS were estimated using the Kaplan-Meier method and the log-rank test was used for subgroup comparisons...
April 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28419466/the-2016-revised-world-health-organization-definition-of-myelodysplastic-syndrome-with-isolated-del-5q-prognostic-implications-of-single-versus-double-cytogenetic-abnormalities
#19
Mark Gurney, Mrinal M Patnaik, Curtis A Hanson, Mark R Litzow, Aref Al-Kali, Rhett P Ketterling, Ayalew Tefferi, Naseema Gangat
The definition of the myelodysplastic syndrome (MDS) subtype 'MDS with isolated del(5q)' was expanded to include cases with one additional non-chromosome 7 based cytogenetic abnormality in the 2016 revised World Health Organization classification. This study applied the revised definition to a large primary MDS cohort, and evaluated the prognostic impact of the additional cytogenetic abnormality. Seventy-two of 1067 patients (7%) met the 'MDS with isolated del(5q)' criteria, 11 (1%) of whom had an additional cytogenetic abnormality...
April 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28419408/iron-chelating-therapy-with-deferasirox-in-transfusion-dependent-higher-risk-myelodysplastic-syndromes-a-retrospective-multicentre-study
#20
Pellegrino Musto, Luca Maurillo, Vittorio Simeon, Antonella Poloni, Carlo Finelli, Enrico Balleari, Alessandra Ricco, Flavia Rivellini, Agostino Cortelezzi, Giuseppe Tarantini, Oreste Villani, Giovanna Mansueto, Maria R Milella, Daniele Scapicchio, Gioacchino Marziano, Massimo Breccia, Pasquale Niscola, Alessandro Sanna, Cristina Clissa, Maria T Voso, Susanna Fenu, Adriano Venditti, Valeria Santini, Emanuele Angelucci, Alessandro Levis
Iron chelation is controversial in higher risk myelodysplastic syndromes (HR-MDS), outside the allogeneic transplant setting. We conducted a retrospective, multicentre study in 51 patients with transfusion-dependent, intermediate-to-very high risk MDS, according to the revised international prognostic scoring system, treated with the oral iron chelating agent deferasirox (DFX). Thirty-six patients (71%) received azacitidine concomitantly. DFX was given at a median dose of 1000 mg/day (range 375-2500 mg) for a median of 11 months (range 0·4-75)...
April 17, 2017: British Journal of Haematology
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