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Ana Aires, Maria Dos Anjos Teixeira, Catarina Lau, Cláudia Moreira, Ana Spínola, Alexandra Mota, Inês Freitas, Jorge Coutinho, Margarida Lima
Background: Immunophenotypic analysis of the bone marrow (BM) cells has proven to be helpful in the diagnosis of Myelodysplastic Syndromes (MDS). However, the usefulness of flow cytometry (FCM) for the detection of myelodysplasia in the peripheral blood (PB) still needs to be investigated. The aim of this pilot study was to evaluate the value of FCM-based PB neutrophil and monocyte immunophenotyping for the diagnosis of lower risk MDS (LR-MDS). Methods: We evaluated by 8-color FCM the expression of multiple cell surface molecules (CD10, CD11b, CD11c, CD13, CD14, CD15, CD16, CD34, CD45, CD56, CD64 and HLA-DR) in PB neutrophils and monocytes from a series of 14 adult LR-MDS patients versus 14 normal individuals...
2018: BMC Hematology
Raquel González, Clara Pons-Duran, Mireia Piqueras, John J Aponte, Feiko O Ter Kuile, Clara Menéndez
BACKGROUND: The World Health Organization recommends intermittent preventive treatment in pregnancy (IPTp) with sulfadoxine-pyrimethamine for malaria for all women who live in moderate to high malaria transmission areas in Africa. However, parasite resistance to sulfadoxine-pyrimethamine has been increasing steadily in some areas of the region. Moreover, HIV-infected women on cotrimoxazole prophylaxis cannot receive sulfadoxine-pyrimethamine because of potential drug interactions. Thus, there is an urgent need to identify alternative drugs for prevention of malaria in pregnancy...
March 21, 2018: Cochrane Database of Systematic Reviews
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
Mostafa Shanbehzadeh, Maryam Ahmadi
Background: The main focus of the surveillance system of AIDS in Iran is on direct clinical care for HIV, and other supportive facilities and secondary programmes have been somewhat neglected. Creating templates for reporting AIDS in Iran that can fulfil the needs of all information stakeholders, is a necessity for the Public Health Information Exchange (PHIE) system. Objective: The aim of this study was to develop a comprehensive reporting template of the PHIE system for HIV/AIDS in Iran...
December 2017: Electronic Physician
Haoliang Fan, Xiao Wang, Zheng Ren, Guanglin He, Ren Long, Anwen Liang, Tao Song, Jianqiang Deng
In the present study, population data of 19 autosomal STR loci included in the Goldeneye™ DNA ID System 20A in 653 Li individuals was obtained and population genetic relationships among 13 populations were investigated. MDS and phylogenetic analysis suggested that the Hainan Li population kept a close genetic relationship with the Chinese Han populations, especially for Southern Han populations (Guangdong Han, Sichuan Han, and Hunan Han). Our results indicated that the 19 autosomal STRs are highly discriminative and polymorphic in the Hainan Li population suitable for personal forensic identification and paternity testing...
March 20, 2018: International Journal of Legal Medicine
Wei Zhang, Xinyan Xie, Huijing Mi, Jinwan Sun, Shaoxue Ding, Lijuan Li, Hui Liu, Huaquan Wang, Rong Fu, Zonghong Shao
Myelodysplastic syndromes (MDS) are clonal stem cell disorders characterized by ineffective hematopoiesis that lead to leukemia. Disorders of the immune system serve important functions in the pathophysiology and progression of this disease. Different levels or mechanisms of natural killer (NK) cells in patients with MDS have been measured in previous studies, making it challenging to understand the pathogenesis of NK cytotoxicity. The present study investigated the frequency of NK cell-mediated antibody-dependent cellular cytotoxicity and explored the function of NK cells by their activating receptors, inhibition signals, degranulation and cytotoxicity factors...
April 2018: Oncology Letters
Daichi Inoue, Takeshi Fujino, Paul Sheridan, Yao-Zhong Zhang, Reina Nagase, Sayuri Horikawa, Zaomin Li, Hirotaka Matsui, Akinori Kanai, Makoto Saika, Rui Yamaguchi, Hiroko Kozuka-Hata, Kimihito Cojin Kawabata, Akihiko Yokoyama, Susumu Goyama, Toshiya Inaba, Seiya Imoto, Satoru Miyano, Mingjiang Xu, Feng-Chun Yang, Masaaki Oyama, Toshio Kitamura
ASXL1 plays key roles in epigenetic regulation of gene expression through methylation of histone H3K27, and disruption of ASXL1 drives myeloid malignancies, at least in part, via derepression of posterior HOXA loci. However, little is known about the identity of proteins that interact with ASXL1 and about the functions of ASXL1 in modulation of the active histone mark, such as H3K4 methylation. In this study, we demonstrate that ASXL1 is a part of a protein complex containing HCFC1 and OGT; OGT directly stabilizes ASXL1 by O-GlcNAcylation...
March 3, 2018: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
Mahasweta Gooptu, Haesook T Kim, Vincent T Ho, Edwin P Alyea, John Koreth, Philippe Armand, Jerome Ritz, Sarah Nikiforow, Brett E Glotzbecker, Prashant Nageshwar, Robert J Soiffer, Joseph H Antin, Corey S Cutler
INTRODUCTION: With improvement in transplantation practices in the modern era, non-relapse mortality (NRM) following allogeneic hematopoietic stem cell transplantation (HSCT) has improved, while disease relapse rates have remained unchanged. Survival outcomes are therefore driven by NRM in the modern era. Myeloablative conditioning (MAC) regimens are used to maximize disease control and facilitate engraftment; however their use is often limited by toxicity. The commonly used MAC regimens incorporate either chemotherapy plus total body irradiation (TBI) or combination chemotherapy...
March 16, 2018: Biology of Blood and Marrow Transplantation
Ihosvany Fernández Bello, Víctor Jiménez-Yuste, Raquel de Paz, Mónica Martín Salces, Raul Justo Sanz, Elena Monzón Manzano, Elena G Arias-Salgado, María Teresa Álvarez Román, María Isabel Rivas Pollmar, Isabel Goyanes, Nora V Butta
Etiopathogenesis of myelodysplastic syndrome (MDS) might cause per se an anomalous haemostasis that can be even more deteriorated by thrombocytopaenia. So, evaluation of haemostasis in patients with MDS rises as a necessity.This work aimed to characterize haemostasis in non-bleeder MDS patients with a platelet count similar to healthy controls to establish differences between the two groups not related to thrombocytopaenia.Thromboelastometry in samples from MDS patients suggested the existence of at least two antagonistic processes: one of them giving a hypocoagulable pattern (prolonged clotting time and lower α angle) and another conferring a procoagulant profile (decreased fibrinolysis)...
March 19, 2018: Thrombosis and Haemostasis
Diana M Sobieraj, William L Baker, Elaine Nguyen, Erin R Weeda, Craig I Coleman, C Michael White, Stephen C Lazarus, Kathryn V Blake, Jason E Lang
Importance: Long-acting muscarinic antagonists (LAMAs) are a potential adjunct therapy to inhaled corticosteroids in the management of persistent asthma. Objective: To conduct a systematic review and meta-analysis of the effects associated with LAMA vs placebo or vs other controllers as an add-on therapy to inhaled corticosteroids and the use of a LAMA as add-on therapy to inhaled corticosteroids and long-acting β-agonists (LABAs; hereafter referred to as triple therapy) vs inhaled corticosteroids and LABA in patients with uncontrolled, persistent asthma...
March 19, 2018: JAMA: the Journal of the American Medical Association
Tammy Y N Tong, Fumiaki Imamura, Pablo Monsivais, Søren Brage, Simon J Griffin, Nicholas J Wareham, Nita G Forouhi
High cost of healthy foods could be a barrier to healthy eating. We aimed to examine the association between dietary cost and adherence to the Mediterranean diet in a non-Mediterranean country. We evaluated cross-sectional data from 12 417 adults in the UK Fenland Study. Responses to 130-item FFQ were used to calculate a Mediterranean diet score (MDS). Dietary cost was estimated by matching food consumption data with retail prices of five major supermarkets. Using multivariable-adjusted linear regression, we examined the association of MDS and individual foods with dietary cost in absolute and relative scales...
March 2018: British Journal of Nutrition
Nurgul Sikhayeva, Yerkebulan Talzhanov, Aisha Iskakova, Jarkyn Dzharmukhanov, Raushan Nugmanova, Elena Zholdybaeva, Erlan Ramanculov
Background: Ethnic differences exist in the frequencies of genetic variations that contribute to the risk of common disease. This study aimed to analyse the distribution of several genes, previously associated with susceptibility to type 2 diabetes and obesity-related phenotypes, in a Kazakh population. Methods: A total of 966 individuals belonging to the Kazakh ethnicity were recruited from an outpatient clinic. We genotyped 41 common single nucleotide polymorphisms (SNPs) previously associated with type 2 diabetes in other ethnic groups and 31 of these were in Hardy-Weinberg equilibrium...
2018: Clinical Interventions in Aging
Xin-Yu Yao, Jing-Dong Zhou, Jing Yang, Wei Zhang, Ji-Chun Ma, Xiang-Mei Wen, Dong-Ming Yao, Zi-Jun Xu, De-Hong Wu, Pin-Fang He, Jun Qian, Jiang Lin
BACKGROUND: Somatic mutations in SETBP1 gene have recently been detected in hematologic malignancies. The present study aimed to explore the frequency and clinical correlations of SETBP1 mutations in patients with acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). METHODS: In this study, we used high-resolution melting analysis (HRMA) to detect the SETBP1 mutations in a cohort of 363 patients with AML or MDS. RESULTS: A total of 1...
March 7, 2018: Pathology, Research and Practice
Tobias Boch, Thomas Luft, Georgia Metzgeroth, Maximilian Mossner, Johann-Christoph Jann, Daniel Nowak, Franziska La Meir, Christiane Schumann, Jennifer Klemmer, Susanne Brendel, Harald Fricke, Claudia Kunz, Christel Weiß, Wolf-Karsten Hofmann, Florian Nolte
In low risk MDS, increased apoptosis of erythroid progenitors mediated via CD95 (Fas) activation has been described to result in peripheral cytopenia. Blockade of the CD95 system can improve erythropoiesis in MDS. Asunercept (APG101) is a fusion protein consisting of the extracellular domain of human CD95 and the Fc domain of human IgG1 blocking the interaction between CD95 and its ligand. Here we report on results from a phase I study in 20 transfusion-dependent low and intermediate risk MDS patients treated with intravenous asunercept (EudraCT 2012-003027-37)...
March 10, 2018: Leukemia Research
Peipei Lin, Yingwan Luo, Shuanghong Zhu, Dominic Maggio, Haiyang Yang, Chao Hu, Jinghan Wang, Hua Zhang, Yanling Ren, Xinping Zhou, Chen Mei, Liya Ma, Weilai Xu, Li Ye, Zhengping Zhuang, Jie Jin, Hongyan Tong
PURPOSE: The myelodysplastic syndromes (MDS) are a group of hematologic disorders characterized by the presence of somatically mutated hematopoietic stem cells (HSCs) that increase the risk of progression to secondary acute myeloid leukemia (sAML). Mutations in isocitrate dehydrogenase (IDHmut ) are thought to correlate with the increased production of the oncogenic protein 2-hydroxyglutarate (2-HG) in AML. The aim of this study was to examine whether serum 2-HG has utility as a prognostic biomarker, and whether elevated 2-HG levels are predictive of IDH mutations in patients with MDS...
March 16, 2018: Journal of Cancer Research and Clinical Oncology
Guido Kobbe, Thomas Schroeder, Rainer Haas, Ulrich Germing
Allogeneic blood stem cell transplantation (aBSCT) still is the only curative therapy for patients with myelodysplastic syndromes. While it carries the hope for cure for some patients, it may result in severe toxicity and death from complications or recurrent disease in others. Recent developments have improved patient and donor selection as well as technical aspects of the transplant procedure and post-transplant care, including early detection and treatment of relapse. Areas covered: This review will discuss current stratification tools to identify suitable patients, donors and transplant techniques...
March 16, 2018: Expert Review of Hematology
Sigrid Neumann-Leitão, Pedro A M C Melo, Ralf Schwamborn, Xiomara F G Diaz, Lucas G P Figueiredo, Andrea P Silva, Renata P S Campelo, Mauro de Melo Júnior, Nuno F A C Melo, Alejandro E S F Costa, Moacyr Araújo, Dóris R A Veleda, Rodrigo L Moura, Fabiano Thompson
At the mouth of the Amazon River, a widespread carbonate ecosystem exists below the river plume, generating a hard-bottom reef (∼9500 km2 ) that includes mainly large sponges but also rhodolith beds. The mesozooplankton associated with the pelagic realm over the reef formation was characterized, considering the estuarine plume and oceanic influence. Vertical hauls were carried out using a standard plankton net with 200 μm mesh size during September 2014. An indicator index was applied to express species importance as ecological indicators in community...
2018: Frontiers in Microbiology
Mark K Su, Jessica Hetherington Lopez, Aldo Crossa, Robert S Hoffman
STUDY OBJECTIVE: To assess the efficacy of 10mg intramuscular (IM) methadone in patients with opioid withdrawal syndrome (OWS). METHODS: This was a prospective observational, convenience sample of patients presenting to the ED with mild to moderate OWS. Evaluations included the Clinical Opiate Withdrawal Scale (COWS), Withdrawal Symptoms Scale (WSS), Altered Mental Status Scale (AMSS) and a physician assessment of the patient's WSS (MDWSS). After enrollment, 10mg of IM methadone was administered and patients were reassessed at 30min post-methadone administration...
March 2, 2018: American Journal of Emergency Medicine
Amanda N Seddon, Joshua Chaim, Oguz Akin, Esther Drill, Angela G Michael, Nelly Adel, Martin S Tallman
BACKGROUND: The current standard of care for the treatment of patients with newly diagnosed acute myeloid leukemia (AML) is an anthracycline plus cytarabine. Both anthracyclines and cytarabine have been associated with the development of typhlitis, a serious adverse event characterized by inflammation of the bowel wall in patients with profound neutropenia, diagnosed by abdominal CT imaging and clinical symptoms. Given the paucity of available data, the aim of our study was to determine the incidence of typhlitis among AML patients receiving induction chemotherapy with idarubicin 12 mg/m2 (IDA), daunorubicin 60 mg/m2 (DNA60), or daunorubicin 90 mg/m2 (DNA90)...
March 8, 2018: Leukemia Research
Carol Kelly, James D Chalmers, Iain Crossingham, Nicola Relph, Lambert M Felix, David J Evans, Stephen J Milan, Sally Spencer
BACKGROUND: Bronchiectasis is a chronic respiratory disease characterised by abnormal and irreversible dilatation and distortion of the smaller airways. Bacterial colonisation of the damaged airways leads to chronic cough and sputum production, often with breathlessness and further structural damage to the airways. Long-term macrolide antibiotic therapy may suppress bacterial infection and reduce inflammation, leading to fewer exacerbations, fewer symptoms, improved lung function, and improved quality of life...
March 15, 2018: Cochrane Database of Systematic Reviews
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