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https://www.readbyqxmd.com/read/28644348/biomarkers-of-environmental-enteric-dysfunction-among-children-in-rural-bangladesh
#1
Rebecca K Campbell, Kerry J Schulze, Saijuddin Shaikh, Sucheta Mehra, Hasmot Ali, Lee Wu, Rubhana Raqib, Sarah Baker, Alain Labrique, Keith P West, Parul Christian
OBJECTIVES: Environmental enteric dysfunction (EED) may inhibit growth and development in low- and middle-income countries, but available assessment methodologies limit its study. In rural Bangladesh, we measured EED using the widely used lactulose mannitol ratio (L:M) test and a panel of intestinal and systemic health biomarkers to evaluate convergence among biomarkers and describe risk factors for EED. METHODS: In 539 18-month-old children finishing participation in a randomized food supplementation trial, serum, stool, and urine collected after lactulose and mannitol dosing were analyzed for biomarkers of intestinal absorption, inflammation, permeability and repair, and systemic inflammation...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644048/risk-of-major-bleeding-in-patients-with-non-valvular-atrial-fibrillation-treated-with-oral-anticoagulants-a-systematic-review-of-real-world-observational-studies
#2
S Deitelzweig, C Farmer, X Luo, L Vo, X Li, M Hamilton, R Horblyuk, A Ashaye
OBJECTIVE: To conduct a systematic review of real-world (RWD) studies comparing the risk of major bleeding (MB) among patients with non-valvular atrial fibrillation (NVAF) on direct oral anticoagulants (DOACs) or warfarin Methods: MEDLINE, Embase, NHS-EED, and EconLit were searched for RWD studies published between January 2003 and November 2016 comparing MB risk among DOACs and warfarin. Proceedings of clinical conferences from 2012-2016 were reviewed. RESULTS: A total of 4,218 citations were identified, 26 of which met eligibility criteria...
June 23, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28641467/green-tea-polyphenol-egcg-causes-anti-cancerous-epigenetic-modulations-in-acute-promyelocytic-leukemia-cells
#3
Veronika Borutinskaitė, Aida Virkšaitė, Giedrė Gudelytė, Rūta Navakauskienė
Green tea (Camellia sinensis) catechin epigallocatechin-3-gallate (EGCG) has been shown to possess diverse anti-cancerous properties. We demonstrated EGCG ability to inhibit acute promyelocytic leukemia (APL) cell proliferation and cause apoptosis. In addition, quantitative real-time polymerase chain reaction (RT-qPCR) analysis revealed elevated expression of genes associated with cell cycle arrest and differentiation (p27, PCAF, C/EBPα, and C/EBPɛ). Furthermore, EGCG caused anti-cancerous epigenetic changes: downregulation of epigenetic modifiers DNMT1, HDAC1, HDAC2, and G9a was observed by RT-qPCR analysis...
June 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28639709/vesiculobullous-variant-of-erythema-elevatum-diutinum
#4
L Ossorio-García, D Jiménez-Gallo, C Arjona-Aguilera, M Salamanca-Sánchez, M Linares-Barrios
The vesiculobullous variant of erythema elevatum diutinum (EED) is a very rare variant of EED. We describe a 16-year-old boy who presented with symmetrical nodular lesions accompanied by vesicles on the dorsa of his hands. Biopsy findings were consistent with EED. The histopathological presence of IgA and neutrophils in the vesicles indicates that the joint action of both is responsible for formation of these subepidermic vesicles. We hypothesize that absence of human leucocyte antigen related to dermatitis herpetiformis (DH) in our patient might have influenced the location and distribution of the lesions, so that they were not typical of DH...
June 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28638728/gene-expression-analysis-in-cutaneous-t-cell-lymphomas-ctcl-highlights-disease-heterogeneity-and-potential-diagnostic-and-prognostic-indicators
#5
Ivan V Litvinov, Michael T Tetzlaff, Philippe Thibault, Pamela Gangar, Linda Moreau, Andrew K Watters, Elena Netchiporouk, Kevin Pehr, Victor G Prieto, Elham Rahme, Nathalie Provost, Martin Gilbert, Denis Sasseville, Madeleine Duvic
Cutaneous T-Cell Lymphomas (CTCL) are rare, but potentially devastating malignancies, whose pathogenesis remains poorly elucidated. Unfortunately, currently it is not possible to predict based on the available criteria in which patients the cancer will progress and which patients will experience an indolent disease course. Furthermore, at early stages this malignancy often masquerades as psoriasis, chronic eczema or other benign inflammatory dermatoses. As a result, it takes on average 6 y to diagnose this lymphoma since its initial presentation...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28604320/audits-of-oncology-units-an-effective-and-pragmatic-approach
#6
Raymond Pierre Abratt, David Eedes, Belinda Bailey, Chris Salmon, Yogi Govender, Ivan Oelofse, Henriette Burger
BACKGROUND: Audits of oncology units are part of all quality-assurance programmes. However, they do not always come across as pragmatic and helpful to staff. OBJECTIVE: To report on the results of an online survey on the usefulness and impact of an audit process for oncology units. METHODS: Staff in oncology units who were part of the audit process completed the audit self-assessment form for the unit. This was followed by a visit to each unit by an assessor, and then subsequent personal contact, usually via telephone...
May 24, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28575736/collective-neurodynamic-optimization-for-economic-emission-dispatch-problem-considering-valve-point-effect-in-microgrid
#7
Tiancai Wang, Xing He, Tingwen Huang, Chuandong Li, Wei Zhang
The economic emission dispatch (EED) problem aims to control generation cost and reduce the impact of waste gas on the environment. It has multiple constraints and nonconvex objectives. To solve it, the collective neurodynamic optimization (CNO) method, which combines heuristic approach and projection neural network (PNN), is attempted to optimize scheduling of an electrical microgrid with ten thermal generators and minimize the plus of generation and emission cost. As the objective function has non-derivative points considering valve point effect (VPE), differential inclusion approach is employed in the PNN model introduced to deal with them...
May 15, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/28549806/chronic-consequences-on-human-health-induced-by-microbial-pathogens-growth-faltering-among-children-in-developing-countries
#8
James P Nataro, Richard L Guerrant
Enteric infections continue to cause approximately 500,000 childhood deaths annually worldwide. In addition to the burden of diarrhea, there is emerging evidence that exposure to enteric pathogens may induce physiologic abnormalities that lead to linear growth faltering. This enteric disease, known as environmental enteric dysfunction (EED) remains cryptic with regard to its causes and features. In this workshop, experts in the field addressed the contribution of enteric pathogens to growth faltering in the absence of clinical diarrhea...
May 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28508686/malignant-peripheral-nerve-sheath-tumor-of-the-femur-a-rare-diagnosis-supported-by-complete-immunohistochemical-loss-of-h3k27me3
#9
Masato Sugawara, Eisuke Kobayashi, Naofumi Asano, Akihiko Yoshida, Akira Kawai
The histological diagnosis of malignant peripheral nerve sheath tumor (MPNST) is challenging because of the wide morphological spectrum and suboptimal performance of conventional immunohistochemical markers. MPNST arising primarily in the bone is exceptional, and its definitive diagnosis, particularly out of the neurofibromatosis type 1 (NF1) context, is even more problematic. Recurrent inactivation of EED or SUZ12 in a majority of MPNSTs results in a complete loss of trimethylated histone H3 at lysine 27 (H3K27me3) immunoreactivity, making it a highly specific biomarker of MPNSTs...
May 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28504193/global-economic-evaluations-of-rotavirus-vaccines-a-systematic-review
#10
REVIEW
Surachai Kotirum, Naaon Vutipongsatorn, Khachen Kongpakwattana, Raymond Hutubessy, Nathorn Chaiyakunapruk
INTRODUCTION: World Health Organization (WHO) recommends Rotavirus vaccines to prevent and control rotavirus infections. Economic evaluations (EE) have been considered to support decision making of national policy. Summarizing global experience of the economic value of rotavirus vaccines is crucial in order to encourage global WHO recommendations for vaccine uptake. Therefore, a systematic review of economic evaluations of rotavirus vaccine was conducted. METHODS: We searched Medline, Embase, NHS EED, EconLit, CEA Registry, SciELO, LILACS, CABI-Global Health Database, Popline, World Bank - e-Library, and WHOLIS...
May 11, 2017: Vaccine
https://www.readbyqxmd.com/read/28494374/eigenvalue-eigenvector-decomposition-eed-analysis-of-dissimilarity-and-covariance-matrix-obtained-from-total-synchronous-fluorescence-spectral-tsfs-data-sets-of-herbal-preparations-optimizing-the-classification-approach
#11
Madhumita Tarai, Keshav Kumar, O Divya, Partha Bairi, Kishor Kumar Mishra, Ashok Kumar Mishra
The present work compares the dissimilarity and covariance based unsupervised chemometric classification approaches by taking the total synchronous fluorescence spectroscopy data sets acquired for the cumin and non-cumin based herbal preparations. The conventional decomposition method involves eigenvalue-eigenvector analysis of the covariance of the data set and finds the factors that can explain the overall major sources of variation present in the data set. The conventional approach does this irrespective of the fact that the samples belong to intrinsically different groups and hence leads to poor class separation...
May 2, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28486222/biomarkers-to-stratify-risk-groups-among-children-with-malnutrition-in-resource-limited-settings-and-to-monitor-response-to-intervention
#12
Christine J McGrath, Michael B Arndt, Judd L Walson
Despite global efforts to reduce childhood undernutrition, current interventions have had little impact on stunting and wasting, and the mechanisms underlying growth faltering are poorly understood. There is a clear need to distinguish populations of children most likely to benefit from any given intervention and to develop tools to monitor response to therapy prior to the development of morbid sequelae. In resource-limited settings, environmental enteric dysfunction (EED) is common among children, contributing to malnutrition and increasing childhood morbidity and mortality risk...
May 9, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28475857/mutations-in-epigenetic-regulation-genes-are-a-major-cause-of-overgrowth-with-intellectual-disability
#13
Katrina Tatton-Brown, Chey Loveday, Shawn Yost, Matthew Clarke, Emma Ramsay, Anna Zachariou, Anna Elliott, Harriet Wylie, Anna Ardissone, Olaf Rittinger, Fiona Stewart, I Karen Temple, Trevor Cole, Shazia Mahamdallie, Sheila Seal, Elise Ruark, Nazneen Rahman
To explore the genetic architecture of human overgrowth syndromes and human growth control, we performed experimental and bioinformatic analyses of 710 individuals with overgrowth (height and/or head circumference ≥+2 SD) and intellectual disability (OGID). We identified a causal mutation in 1 of 14 genes in 50% (353/710). This includes HIST1H1E, encoding histone H1.4, which has not been associated with a developmental disorder previously. The pathogenic HIST1H1E mutations are predicted to result in a product that is less effective in neutralizing negatively charged linker DNA because it has a reduced net charge, and in DNA binding and protein-protein interactions because key residues are truncated...
May 4, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28469800/erythema-elevatum-diutinum-involving-palms-and-soles-a-case-report-and-literature-review
#14
Uma Keyal, Anil Kumar Bhatta, Yeqiang Liu
Erythema elevatum diutinum (EED) is a rare chronic inflammatory dermatosis and a part of the spectrum of cutaneous leukocytoclasticvasculitis. The most common site of involvement is extensor surface of the extremities, with a predilection for the skin overlying joints, particularly hands, feet, elbows and knees, as well as buttocks and Achilles tendons. Here we report a case of EED with atypical presentation involving palms and soles. The patient showed dramatic response to the treatment with prednisolone combined with Tripterygium wilfordii glycoside (TWP)...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28468635/prc2-represses-transcribed-genes-on-the-imprinted-inactive-x-chromosome-in-mice
#15
Emily Maclary, Michael Hinten, Clair Harris, Shriya Sethuraman, Srimonta Gayen, Sundeep Kalantry
BACKGROUND: Polycomb repressive complex 2 (PRC2) catalyzes histone H3K27me3, which marks many transcriptionally silent genes throughout the mammalian genome. Although H3K27me3 is associated with silenced gene expression broadly, it remains unclear why some but not other PRC2 target genes require PRC2 and H3K27me3 for silencing. RESULTS: Here we define the transcriptional and chromatin features that predict which PRC2 target genes require PRC2/H3K27me3 for silencing by interrogating imprinted mouse X-chromosome inactivation...
May 3, 2017: Genome Biology
https://www.readbyqxmd.com/read/28445888/differential-effects-of-inflammatory-and-psychosocial-stress-on-mood-hypothalamic-pituitary-adrenal-axis-and-inflammation-in-remitted-depression
#16
Peter Niemegeers, Peter De Boer, Glenn J H Dumont, Filip Van Den Eede, Erik Fransen, Stephan J Claes, Manuel Morrens, Bernard G C Sabbe
BACKGROUND/AIMS: Major depressive disorder (MDD) is highly recurrent. This may be due to increased stress sensitivity after remission. Both inflammatory and psychosocial stressors are implicated in the pathogenesis of MDD, but the additive or differential effect is unclear. METHODS: We conducted a single-blind placebo-controlled study to investigate the effects of inflammatory stress (i.e., typhoid vaccination), psychosocial stress (i.e., Trier Social Stress Test [TSST]), or a combination of both in women (25-45 years old) with (partially) remitted recurrent MDD (n = 21) and healthy female controls (n = 18)...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28444062/prognostic-value-of-coronary-flow-reserve-obtained-on-dobutamine-stress-echocardiography-and-its-correlation-with-target-heart-rate
#17
José Sebastião de Abreu, Eduardo Arrais Rocha, Isadora Sucupira Machado, Isabelle O Parahyba, Thais Brito Rocha, Fernando José Villar Nogueira Paes, Tereza Cristina Pinheiro Diogenes, Marília Esther Benevides de Abreu, Ana Gardenia Liberato Ponte Farias, Marcia Maria Carneiro, José Nogueira Paes
Background: Normal coronary flow velocity reserve (CFVR) (≥ 2) obtained in the left anterior descending coronary artery (LAD) from transthoracic echocardiography is associated with a good prognosis, but there is no study correlating CFVR with submaximal target heart rate (HR). Objective: To evaluate the prognostic value of CFVR obtained in the LAD of patients with preserved (>50%) left ventricular ejection fraction (LVEF) who completed a dobutamine stress echocardiography (DSE), considering target HR...
May 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28438226/n-of-1-trials-and-the-optimal-individualisation-of-drug-treatments-a-systematic-review-protocol
#18
Weyinmi A Demeyin, Julia Frost, Obioha C Ukoumunne, Simon Briscoe, Nicky Britten
BACKGROUND: Guidelines and evidence-based drug treatment recommendations are usually based on the results of clinical trials, which have limited generalisability in routine clinical settings due to their restrictive eligibility criteria. These trials are also conducted in ideal and rigorously controlled settings. N of 1 trials, which are single patient multiple crossover studies, offer a means of increasing the evidence base and individualising care for individuals in clinical practice...
April 24, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28435537/integrated-platform-for-expedited-synthesis-purification-testing-of-small-molecule-libraries
#19
Aleksandra Baranczak, Noah P Tu, Jasmina Marjanovic, Philip A Searle, Anil Vasudevan, Stevan W Djuric
The productivity of medicinal chemistry programs can be significantly increased through the introduction of automation, leading to shortened discovery cycle times. Herein, we describe a platform that consolidates synthesis, purification, quantitation, dissolution, and testing of small molecule libraries. The system was validated through the synthesis and testing of two libraries of binders of polycomb protein EED, and excellent correlation of obtained data with results generated through conventional approaches was observed...
April 13, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28433419/disconnect-between-alcohol-induced-alterations-in-chromatin-structure-and-gene-transcription-in-a-mouse-embryonic-stem-cell-model-of-exposure
#20
Kylee J Veazey, Haiqing Wang, Yudhishtar S Bedi, William M Skiles, Richard Cheng-An Chang, Michael C Golding
Alterations to chromatin structure induced by environmental insults have become an attractive explanation for the persistence of exposure effects into subsequent life stages. However, a growing body of work examining the epigenetic impact that alcohol and other drugs of abuse exert consistently notes a disconnection between induced changes in chromatin structure and patterns of gene transcription. Thus, an important question is whether perturbations in the 'histone code' induced by prenatal exposures to alcohol implicitly subvert gene expression, or whether the hierarchy of cellular signaling networks driving development is such that they retain control over the transcriptional program...
May 2017: Alcohol
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