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https://www.readbyqxmd.com/read/28227409/projected-current-density-comparison-in-tdcs-block-and-smooth-fe-modeling
#1
Aprinda Indahlastari, Munish Chauhan, Rosalind J Sadleir, Aprinda Indahlastari, Munish Chauhan, Rosalind J Sadleir, Aprinda Indahlastari, Munish Chauhan, Rosalind J Sadleir
Current density distribution and projected current density calculation following transcranial direct current stimulation (tDCS) forward model in a human head were compared between two modeling pipelines: block and smooth. Block model was directly constructed from MRI voxel resolution and simulated in C. Smooth models underwent a boundary smoothing process by applying recursive Gaussian filters and simulated in COMSOL. Three smoothing levels were added to determine their effects on current density distribution compared to block models...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28215965/menin-regulates-inhbb-expression-through-an-akt-ezh2-mediated-h3k27-histone-modification
#2
Samuele Gherardi, Doriane Ripoche, Ivan Mikaelian, Marie Chanal, Romain Teinturier, Delphine Goehrig, Martine Cordier-Bussat, Chang X Zhang, Ana Hennino, Philippe Bertolino
Although Men1 is a well-known tumour suppressor gene, little is known about the functions of Menin, the protein it encodes for. Since few years, numerous publications support a major role of Menin in the control of epigenetics gene regulation. While Menin interaction with MLL complex favours transcriptional activation of target genes through H3K4me3 marks, Menin also represses gene expression via mechanisms involving the Polycomb repressing complex (PRC). Interestingly, Ezh2, the PRC-methyltransferase that catalyses H3K27me3 repressive marks and Menin have been shown to co-occupy a large number of promoters...
February 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28215373/prevention-research-center-collaborations-with-state-departments-of-health-washington-state
#3
EDITORIAL
Peggy A Hannon, Thuy T Vu, Patricia Migliore Santiago, Pama Joyner, Caitlin Mason, Jeffrey R Harris
State health departments and Prevention Research Centers (PRCs) have complementary mandates and expertise important to improving population health. State health departments manage and administer numerous programs with broad population reach. PRCs bridge dissemination and implementation research and public health practice to improve health programming and outcomes. This paper describes the 15-year partnership between the Washington State Department of Health and the PRC at the University of Washington. Through this partnership, the Washington State Department of Health increases their research and evaluation capacity by working with the University of Washington PRC, and the University of Washington PRC receives opportunities to apply evidence in a variety of practice settings, expand the reach of their research-tested programs to new populations, and form new partnerships...
March 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28195958/rehospitalization-in-the-first-year-following-veteran-and-service-member-tbi-a-va-tbi-model-systems-study
#4
Johanna Tran, Flora Hammond, Kristen Dams-OʼConnor, Xinyu Tang, Blessen Eapen, Marissa McCarthy, Risa Nakase-Richardson
OBJECTIVE: To determine the incidence and causes of rehospitalization following military or Veteran traumatic brain injury (TBI). SETTING: Department of Veterans Affairs (VA) Veterans Health Administration Polytrauma Rehabilitation Centers (VHA PRCs). PARTICIPANTS: Consecutive sample of VHA TBI Model System participants (N = 401). DESIGN: Prospective observational cohort study. MAIN MEASURES: Number and type of rehospitalizations in first year post-TBI...
February 10, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28179614/genotyping-of-six-clopidogrel-metabolizing-enzyme-polymorphisms-has-a-minor-role-in-the-assessment-of-platelet-reactivity-in-patients-with-acute-coronary-syndrome
#5
María Henar García-Lagunar, Luciano Consuegra-Sánchez, Pablo Conesa-Zamora, Javier Ruiz-Cosano, Federico Soria-Arcos, Luis García de Guadiana, Pedro Cano Vivar, Juan Antonio Castillo-Moreno, Antonio Melgarejo-Moreno
OBJECTIVE: To evaluate the contribution of six polymorphisms to the platelet reactivity in patients with acute coronary syndrome (ACS) treated with clopidogrel. METHODS: Cross-sectional study of 278 consecutive patients with ACS. Detailed clinical information for each patient was collected and genotypes (CYP2C9*2, CYP2C9*3, CYP2C19*2, CYP2C19*17, CYP3A4*1B, and PON1-Q192R) were evaluated with TaqMan® and KASPar® assays. Platelet reactivity was measured with VerifyNow®...
February 1, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28168204/rationale-design-and-baseline-characteristics-of-beijing-prediabetes-reversion-program-a-randomized-controlled-clinical-trial-to-evaluate-the-efficacy-of-lifestyle-intervention-and-or-pioglitazone-in-reversion-to-normal-glucose-tolerance-in-prediabetes
#6
Yingying Luo, Sanjoy K Paul, Xianghai Zhou, Cuiqing Chang, Wei Chen, Xiaohui Guo, Jinkui Yang, Linong Ji, Hongyuan Wang
Background. Patients with prediabetes are at high risk for diabetes and cardiovascular disease (CVD). No study has explored whether intervention could revert prediabetes to normal glycemic status as the primary outcome. Beijing Prediabetes Reversion Program (BPRP) would evaluate whether intensive lifestyle modification and/or pioglitazone could revert prediabetic state to normoglycemia and improve the risk factors of CVD as well. Methods. BPRP is a randomized, multicenter, 2 × 2 factorial design study. Participants diagnosed as prediabetes were randomized into four groups (conventional/intensive lifestyle intervention and 30 mg pioglitazone/placebo) with a three-year follow-up...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28157500/a-finer-print-than-tads-prc1-mediated-domains
#7
Elena Torlai Triglia, Tiago Rito, Ana Pombo
Polycomb proteins are well-known epigenetic repressors with unexplained roles in chromatin folding. In this issue of Molecular Cell, Kundu et al. (2017) investigate the structures of PRC1-mediated domains in stem cells and probe their changes upon differentiation and in PRC knockouts.
February 2, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28119798/meniscal-allograft-interposition-combined-with-proximal-row-carpectomy
#8
Murphy M Steiner, Matthew R Willsey, Frederick W Werner, Brian J Harley, Shay Klein, Kevin J Setter
Background Proximal row carpectomy (PRC) is contraindicated in wrists with preexisting arthritis of the proximal capitate or radiolunate fossa. Patients with these conditions frequently pursue wrist arthrodesis with its associated functional limitations. Questions/Purposes The purpose of this study was to evaluate the results of using lateral meniscal allograft interposition (LMAI), in combination with PRC, in patients with symptomatic wrist arthritis. The primary question is whether this allograft will allow wrist function comparable to that in patients having only a PRC...
February 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28119790/kienb%C3%A3-ck-disease-a-new-algorithm-for-the-21st-century
#9
David M Lichtman, William F Pientka, Gregory Ian Bain
Background It has been over 100 years since the initial description of avascular necrosis of the lunate. Over the last two decades, there has been the introduction of advanced information regarding the etiology, natural history, classification, and treatment options for lunate osteonecrosis. There have been new classifications developed based on advanced imaging, perfusion studies of lunate viability, and arthroscopic assessment of the articular cartilage. Purpose This article brings together a new treatment algorithm, incorporating the traditional osseous classification system (Lichtman) with the perfusion/viability classification (Schmitt) and the articular cartilage classification (Bain)...
February 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28118678/effect-of-sex-on-the-acute-skeletal-muscle-response-to-sprint-interval-exercise
#10
Lauren E Skelly, Jenna B Gillen, Martin J MacInnis, Brian J Martin, Adeel Safdar, Mahmood Akhtar, Maureen J MacDonald, Mark A Tarnopolsky, Martin J Gibala
What is the central question of this study? Are there sex-based differences in the acute skeletal muscle response to sprint interval training (SIT)? What is the main finding and its importance? In response to a SIT protocol that involved three 20 s bouts of 'all-out' cycling, the expression of multiple genes associated with mitochondrial biogenesis, metabolic control and structural remodelling was largely similar between men and women matched for fitness. Our findings cannot explain previous reports of sex-based differences in the adaptive response to SIT and suggest that the mechanistic basis for these differences remains to be elucidated...
January 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28104056/psychological-distress-in-jordanian-parents-of-children-with-autism-spectrum-disorder-the-role-of-positive-reappraisal-coping
#11
Ahmad Rayan, Muayyad Ahmad
BACKGROUND: Parents of children with autism spectrum disorder (ASD) frequently report poor psychological well-being. Positive reappraisal coping (PRC) is a coping strategy which offers a protective effect from anxiety and depression. However, the association between PRC and the psychological distress in parents of children with ASD has yet to be established. AIM: This study examines the association between PRC and the psychological distress in parents of children with ASD...
February 2017: Archives of Psychiatric Nursing
https://www.readbyqxmd.com/read/28099397/the-effects-of-attention-problems-on-psychosocial-functioning-in-childhood-brain-tumor-survivors-a-2-year-postcraniospinal-irradiation-follow-up
#12
Yunhye Oh, Hyunjung Seo, Ki Woong Sung, Yoo Sook Joung
OBJECTIVE: To examine the psychosocial outcomes and impact of attention problems in survivors of pediatric brain tumor. STUDY DESIGN: The survivors' cognitive functioning was measured using the Wechsler Intelligence Scale for Children. The Child Behavior Checklist-Attention Problems scale was used to screen for attention problems, and participants were classified as having attention problems (n=15) or normal attention (n=36). Psychosocial functioning was examined with the Korean Personality Rating scale for Children (K-PRC) at precraniospinal radiation and at 2-year follow-up...
March 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28087428/polycomb-complexes-prc1-and-their-function-in-hematopoiesis
#13
REVIEW
Miguel Vidal, Katharzina Starowicz
Hematopoiesis, the process by which blood cells are continuously produced, is one of the best studied differentiation pathways. Hematological diseases are associated to reiterated mutations in genes encoding important gene expression regulators, including chromatin regulators. Among them, the Polycomb group (PcG) of proteins is an essential system of gene silencing involved in the maintenance of cell identities during differentiation. PcG proteins assemble into two major types of Polycomb repressive complexes (PRC) endowed with distinct histone tail modifying activities...
January 10, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28069891/governing-the-silencing-state-of-chromatin-the-roles-of-polycomb-repressive-complex-1-in-arabidopsis
#14
Xianli Yang, Aizi Tong, Bowen Yan, Xiaoxue Wang
Polycomb group proteins form multiple protein complexes such as polycomb repressive complex (PRC) 1 and PRC2, which repress the expression of thousands of genes. PRC1 and PRC2 are essential for normal development in Arabidopsis Recently, significant progress has been made in understanding the functions and regulatory mechanisms of PRC1. In this review, we focus on the discovery of the composition of PRC1, functions of its components, the recruitment of PRC1 to target genes, and the control of PRC1 function in Arabidopsis Perspectives on dissecting the roles of PRC1 in plant gene expression and development are also given...
January 9, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28060203/predictors-of-employment-outcomes-in-veterans-with-traumatic-brain-injury-a-va-traumatic-brain-injury-model-systems-study
#15
Christina Dillahunt-Aspillaga, Risa Nakase-Richardson, Tessa Hart, Gail Powell-Cope, Laura E Dreer, Blessen C Eapen, Scott D Barnett, Dave Mellick, Adam Haskin, Marc A Silva
OBJECTIVES: To examine the length of time to return to work (RTW) among service members and veterans (SM/V) with traumatic brain injury (TBI) and to identify variables predictive of RTW. SETTING: Department of Veterans Affairs Polytrauma Rehabilitation Centers (VA PRC). PARTICIPANTS: SM/V enrolled in the VA PRC Traumatic Brain Injury Model Systems database who were of 18 to 60 years of age and admitted with the diagnosis of TBI. DESIGN: Prospective observational cohort study...
January 5, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28044994/influence-of-l-carnitine-on-stored-rat-blood-a-study-on-plasma
#16
Carl Hsieh, Vani Rajashekharaiah
OBJECTIVE: Plasma acts as a good indicator of oxidative stress in blood. L-carnitine is an antioxidant that reduces metabolic stress in cells, thereby providing a protective effect against oxidative stress. L-carnitine as an additive in storage has not been explored. Thus, this study attempts to analyze the role of L-carnitine in blood storage solution, Citrate Phosphate Dextrose Adenine (CPDA)-1 through oxidative stress (OS) markers - antioxidant enzymes, lipid peroxidation and protein oxidation...
December 30, 2016: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/28029355/medial-temporal-lobe-reinstatement-of-content-specific-details-predicts-source-memory
#17
Jackson C Liang, Alison R Preston
Leading theories propose that when remembering past events, medial temporal lobe (MTL) structures reinstate the neural patterns that were active when those events were initially encoded. Accurate reinstatement is hypothesized to support detailed recollection of memories, including their source. While several studies have linked cortical reinstatement to successful retrieval, indexing reinstatement within the MTL network and its relationship to memory performance has proved challenging. Here, we addressed this gap in knowledge by having participants perform an incidental encoding task, during which they visualized people, places, and objects in response to adjective cues...
October 12, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27994096/paediatric-rheumatology-clinic-population-in-southeast-asia-are-we-different
#18
Thaschawee Arkachaisri, Swee-Ping Tang, Tassalapa Daengsuwan, Gun Phongsamart, Soamarat Vilaiyuk, Sirirat Charuvanij, Sook Fun Hoh, Justin Hung Tiong Tan, Lena Das, Elizabeth Ang, Wendy Lim, Yiong Huak Chan, Christine B Bernal
OBJECTIVES: To examine the descriptive epidemiology of the patient population referred to paediatric rheumatology centres (PRCs) in Southeast Asia (SEA) and to compare the frequency of conditions encountered with other PRC populations. METHODS: A web-based Registry for Childhood Onset Paediatric Rheumatic Diseases was established in 2009 and seven PRCs in four SEA countries, where paediatric rheumatologists are available, participated in a prospective 24 month data collection (43 months for Singapore)...
December 19, 2016: Rheumatology
https://www.readbyqxmd.com/read/27993468/heavy-metal-removal-capacity-of-individual-components-of-permeable-reactive-concrete
#19
Ryan R Holmes, Megan L Hart, John T Kevern
Permeable reactive barriers (PRBs) are a well-known technique for groundwater remediation using industrialized reactive media such as zero-valent iron and activated carbon. Permeable reactive concrete (PRC) is an alternative reactive medium composed of relatively inexpensive materials such as cement and aggregate. A variety of multimodal, simultaneous processes drive remediation of metals from contaminated groundwater within PRC systems due to the complex heterogeneous matrix formed during cement hydration...
January 2017: Journal of Contaminant Hydrology
https://www.readbyqxmd.com/read/27941796/dynamics-of-baf-polycomb-complex-opposition-on-heterochromatin-in-normal-and-oncogenic-states
#20
Cigall Kadoch, Robert T Williams, Joseph P Calarco, Erik L Miller, Christopher M Weber, Simon M G Braun, John L Pulice, Emma J Chory, Gerald R Crabtree
The opposition between Polycomb repressive complexes (PRCs) and BAF (mSWI/SNF) complexes has a critical role in both development and disease. Mutations in the genes encoding BAF subunits contribute to more than 20% of human malignancies, yet the underlying mechanisms remain unclear, owing largely to a lack of assays to assess BAF function in living cells. To address this, we have developed a widely applicable recruitment assay system through which we find that BAF opposes PRC by rapid, ATP-dependent eviction, leading to the formation of accessible chromatin...
February 2017: Nature Genetics
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