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David Allis

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https://www.readbyqxmd.com/read/28106949/atherectomy-using-a-solid-state-laser-at-355-nm-wavelength
#1
Amir Herzog, Grzegorz Oszkinis, David Planer, Krzysztof Ziaja, Łukasz Kruszyna, Michał Goran Stanisić, Damian Ziaja, Amiel A Ishaaya, Wacław Kuczmik
Peripheral arterial disease (PAD), caused by atherosclerotic processes, is allied with an increased risk of ischemic events, limb loss, and death. Recently, the use of a solid-state laser at 355 nm within a hybrid catheter was suggested for that purpose. In this work, short nanosecond pulses of a solid-state laser at 355 nm delivered through a hybrid catheter, composed of optical fibers and a blunt mechanical blade, are used to conduct a pre-clinical study and two clinical cases. The pre-clinical study consisted of an atherosclerotic calcified cadaveric leg and a porcine in vivo trial within the iliac artery, respectively...
January 20, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28069063/the-ribosomal-transcription-units-of-haplorchis-pumilio-and-h-taichui-and-the-use-of-28s-rdna-sequences-for-phylogenetic-identification-of-common-heterophyids-in-vietnam
#2
Thanh Hoa Le, Khue Thi Nguyen, Nga Thi Bich Nguyen, Huong Thi Thanh Doan, Do Trung Dung, David Blair
BACKGROUND: Heterophyidiasis is now a major public health threat in many tropical countries. Species in the trematode family Heterophyidae infecting humans include Centrocestus formosanus, Haplorchis pumilio, H. taichui, H. yokogawai, Procerovum varium and Stellantchasmus falcatus. For molecular phylogenetic and systematic studies on trematodes, we need more prospective markers for taxonomic identification and classification. This study provides near-complete ribosomal transcription units (rTU) from Haplorchis pumilio and H...
January 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28067913/impaired-h3k36-methylation-defines-a-subset-of-head-and-neck-squamous-cell-carcinomas
#3
Simon Papillon-Cavanagh, Chao Lu, Tenzin Gayden, Leonie G Mikael, Denise Bechet, Christina Karamboulas, Laurie Ailles, Jason Karamchandani, Dylan M Marchione, Benjamin A Garcia, Ilan Weinreb, David Goldstein, Peter W Lewis, Octavia Maria Dancu, Sandeep Dhaliwal, William Stecho, Christopher J Howlett, Joe S Mymryk, John W Barrett, Anthony C Nichols, C David Allis, Jacek Majewski, Nada Jabado
Human papillomavirus (HPV)-negative head and neck squamous cell carcinomas (HNSCCs) are deadly and common cancers. Recent genomic studies implicate multiple genetic pathways, including cell signaling, cell cycle and immune evasion, in their development. Here we analyze public data sets and uncover a previously unappreciated role of epigenome deregulation in the genesis of 13% of HPV-negative HNSCCs. Specifically, we identify novel recurrent mutations encoding p.Lys36Met (K36M) alterations in multiple H3 histone genes...
January 9, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28056964/a-workforce-survey-of-australian-chiropractic-the-profile-and-practice-features-of-a-nationally-representative-sample-of-2-005-chiropractors
#4
Jon Adams, Romy Lauche, Wenbo Peng, Amie Steel, Craig Moore, Lyndon G Amorin-Woods, David Sibbritt
BACKGROUND: This paper reports the profile of the Australian chiropractic workforce and characteristics of chiropractic care from a large nationally-representative sample of practitioners. METHODS: A 21-item questionnaire examining practitioner, practice and clinical management characteristics was distributed to all registered chiropractors (n = 4,684) in Australia in 2015 via both online and hard copy mail out. RESULTS: The survey attracted a response rate of 43% (n = 2,005), and the sample is largely representative of the national chiropractic workforce on a number of key indicators...
January 5, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28053201/evidence-that-supports-the-prescription-of-low-carbohydrate-high-fat-diets-a-narrative-review
#5
Timothy David Noakes, Johann Windt
Low-carbohydrate high-fat (LCHF) diets are a highly contentious current topic in nutrition. This narrative review aims to provide clinicians with a broad overview of the effects of LCHF diets on body weight, glycaemic control and cardiovascular risk factors while addressing some common concerns and misconceptions. Blood total cholesterol and LDL-cholesterol concentrations show a variable, highly individual response to LCHF diets, and should be monitored in patients adhering to this diet. In contrast, available evidence from clinical and preclinical studies indicates that LCHF diets consistently improve all other markers of cardiovascular risk-lowering elevated blood glucose, insulin, triglyceride, ApoB and saturated fat (especially palmitoleic acid) concentrations, reducing small dense LDL particle numbers, glycated haemoglobin (HbA1c) levels, blood pressure and body weight while increasing low HDL-cholesterol concentrations and reversing non-alcoholic fatty liver disease (NAFLD)...
January 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28030869/voice-related-patient-reported-outcome-measures-a-systematic-review-of-instrument-development-and-validation
#6
David O Francis, James J Daniero, Kristen L Hovis, Nila Sathe, Barbara Jacobson, David F Penson, Irene D Feurer, Melissa L McPheeters
Purpose: The purpose of this study was to perform a comprehensive systematic review of the literature on voice-related patient-reported outcome (PRO) measures in adults and to evaluate each instrument for the presence of important measurement properties. Method: MEDLINE, the Cumulative Index of Nursing and Allied Health Literature, and the Health and Psychosocial Instrument databases were searched using relevant vocabulary terms and key terms related to PRO measures and voice...
January 1, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28002967/discovery-of-1s-2r-3s-4s-5r-6r-2-amino-3-3-4-difluorophenyl-sulfanylmethyl-4-hydroxy-bicyclo-3-1-0-hexane-2-6-dicarboxylic-acid-hydrochloride-ly3020371%C3%A2-hcl-a-potent-metabotropic-glutamate-2-3-receptor-antagonist-with-antidepressant-like-activity
#7
Mark D Chappell, Renhua Li, Stephon C Smith, Bruce A Dressman, Eric G Tromiczak, Allie E Tripp, Maria-Jesus Blanco, Tatiana Vetman, Steven J Quimby, James Matt, Thomas C Britton, Adam M Fivush, Jeffrey M Schkeryantz, Daniel Mayhugh, Jon A Erickson, Mark G Bures, Carlos Jaramillo, Mercedes Carpintero, José Eugenio de Diego, Mario Barberis, Susana Garcia-Cerrada, José F Soriano, Stephen Antonysamy, Shane Atwell, Iain MacEwan, Bradley Condon, Christine Sougias, Jing Wang, Aiping Zhang, Kris Conners, Chris Groshong, Stephen R Wasserman, John W Koss, Jeffrey M Witkin, Xia Li, Carl Overshiner, Keith A Wafford, Wesley Seidel, Xu-Shan Wang, Beverly A Heinz, Steven Swanson, John T Catlow, David W Bedwell, James A Monn, Charles H Mitch, Paul L Ornstein
As part of our ongoing efforts to identify novel ligands for the metabotropic glutamate 2 and 3 (mGlu2/3) receptors, we have incorporated substitution at the C3 and C4 positions of the (1S,2R,5R,6R)-2-amino-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid scaffold to generate mGlu2/3 antagonists. Exploration of this structure-activity relationship (SAR) led to the identification of (1S,2R,3S,4S,5R,6R)-2-amino-3-[(3,4-difluorophenyl)sulfanylmethyl]-4-hydroxy-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid hydrochloride (LY3020371·HCl, 19f), a potent, selective, and maximally efficacious mGlu2/3 antagonist...
December 22, 2016: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27933360/recent-advances-in-glycomics-glycoproteomics-and-allied-topics
#8
EDITORIAL
Yehia Mechref, David C Muddiman
No abstract text is available yet for this article.
January 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27924077/metabolic-regulation-of-gene-expression-through-histone-acylations
#9
Benjamin R Sabari, Di Zhang, C David Allis, Yingming Zhao
Eight types of short-chain Lys acylations have recently been identified on histones: propionylation, butyrylation, 2-hydroxyisobutyrylation, succinylation, malonylation, glutarylation, crotonylation and β-hydroxybutyrylation. Emerging evidence suggests that these histone modifications affect gene expression and are structurally and functionally different from the widely studied histone Lys acetylation. In this Review, we discuss the regulation of non-acetyl histone acylation by enzymatic and metabolic mechanisms, the acylation 'reader' proteins that mediate the effects of different acylations and their physiological functions, which include signal-dependent gene activation, spermatogenesis, tissue injury and metabolic stress...
December 7, 2016: Nature Reviews. Molecular Cell Biology
https://www.readbyqxmd.com/read/27888279/predictors-of-liver-transplant-patient-survival-a-critical-review-using-a-holistic-framework
#10
Lisiane Pruinelli, Karen A Monsen, Cynthia R Gross, David M Radosevich, György J Simon, Bonnie L Westra
OBJECTIVE: Liver transplantation is a costly and risky procedure, representing 25 050 procedures worldwide in 2013, with 6729 procedures performed in the United States in 2014. Considering the scarcity of organs and uncertainty regarding prognosis, limited studies address the variety of risk factors before transplantation that might contribute to predicting patient's survival and therefore developing better models that address a holistic view of transplant patients. This critical review aimed to identify predictors of liver transplant patient survival included in large-scale studies and assess the gap in risk factors from a holistic approach using the Wellbeing Model and the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement...
November 25, 2016: Progress in Transplantation
https://www.readbyqxmd.com/read/27881822/lowered-h3k27me3-and-dna-hypomethylation-define-poorly-prognostic-pediatric-posterior-fossa-ependymomas
#11
Jill Bayliss, Piali Mukherjee, Chao Lu, Siddhant U Jain, Chan Chung, Daniel Martinez, Benjamin Sabari, Ashley S Margol, Pooja Panwalkar, Abhijit Parolia, Melike Pekmezci, Richard C McEachin, Marcin Cieslik, Benita Tamrazi, Benjamin A Garcia, Gaspare La Rocca, Mariarita Santi, Peter W Lewis, Cynthia Hawkins, Ari Melnick, C David Allis, Craig B Thompson, Arul M Chinnaiyan, Alexander R Judkins, Sriram Venneti
Childhood posterior fossa (PF) ependymomas cause substantial morbidity and mortality. These tumors lack recurrent genetic mutations, but a subset of these ependymomas exhibits CpG island (CpGi) hypermethylation [PF group A (PFA)], implicating epigenetic alterations in their pathogenesis. Further, histological grade does not reliably predict prognosis, highlighting the importance of developing more robust prognostic markers. We discovered global H3K27me3 reduction in a subset of these tumors (PF-ve ependymomas) analogous to H3K27M mutant gliomas...
November 23, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27869051/money-is-brain-financial-barriers-and-consequences-for-canadian-stroke-patients
#12
Aravind Ganesh, Kathryn King-Shier, Braden J Manns, Michael D Hill, David J T Campbell
BACKGROUND: Stroke patients of lower socioeconomic status have worse outcomes. It remains poorly understood whether this is due to illness severity or personal or health system barriers. We explored the experiences of stroke patients with financial barriers in a qualitative descriptive pilot study, seeking to capture perceived challenges that interfere with their poststroke health and recovery. METHODS: We interviewed six adults with a history of stroke and financial barriers in Alberta, Canada, inquiring about their: (1) experiences after stroke; (2) experience of financial barriers; (3) perceived reasons for financial barriers; (4) health consequences of financial barriers; and (5) mechanisms for coping with financial barriers...
November 21, 2016: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/27864305/oncogenic-mechanisms-of-histone-h3-mutations
#13
Daniel N Weinberg, C David Allis, Chao Lu
Recurrent missense mutations in histone H3 were recently reported in pediatric gliomas and soft tissue tumors. Strikingly, these mutations only affected a minority of the total cellular H3 proteins and occurred at or near lysine residues at positions 27 and 36 on the amino-terminal tail of H3 that are subject to well-characterized posttranslational modifications. Here we review recent progress in elucidating the mechanisms by which these mutations perturb the chromatin landscape in cells through their effects on chromatin-modifying machinery, particularly through inhibition of specific histone lysine methyltransferases...
November 18, 2016: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/27855477/recruitment-manoeuvres-for-adults-with-acute-respiratory-distress-syndrome-receiving-mechanical-ventilation
#14
REVIEW
Carol Hodgson, Ewan C Goligher, Meredith E Young, Jennifer L Keating, Anne E Holland, Lorena Romero, Scott J Bradley, David Tuxen
BACKGROUND: Recruitment manoeuvres involve transient elevations in airway pressure applied during mechanical ventilation to open ('recruit') collapsed lung units and increase the number of alveoli participating in tidal ventilation. Recruitment manoeuvres are often used to treat patients in intensive care who have acute respiratory distress syndrome (ARDS), but the effect of this treatment on clinical outcomes has not been well established. This systematic review is an update of a Cochrane review originally published in 2009...
17, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27836401/novel-bicyclo-3-1-0-hexane-analogs-as-antagonists-of-metabotropic-glutamate-2-3-receptors-for-the-treatment-of-depression
#15
Bruce A Dressman, Eric G Tromiczak, Mark D Chappell, Allie E Tripp, Steven J Quimby, Tatiana Vetman, Adam M Fivush, James Matt, Carlos Jaramillo, Renhua Li, Albert Khilevich, Maria-Jesus Blanco, Stephon C Smith, Mercedes Carpintero, José Eugenio de Diego, Mario Barberis, Susana García-Cerrada, José F Soriano, Jeffrey M Schkeryantz, Jeffrey M Witkin, Keith A Wafford, Wesley Seidel, Thomas Britton, Carl D Overshiner, Xia Li, Xu-Shan Wang, Beverly A Heinz, John T Catlow, Steven Swanson, David Bedwell, Paul L Ornstein, Charles H Mitch
Negative modulators of metabotropic glutamate 2 & 3 receptors demonstrate antidepressant-like activity in animal models and hold promise as novel therapeutic agents for the treatment of major depressive disorder. Herein we describe our efforts to prepare and optimize a series of conformationally constrained 3,4-disubstituted bicyclo[3.1.0]hexane glutamic acid analogs as orthosteric (glutamate site) mGlu2/3 receptor antagonists. This work led to the discovery of a highly potent and efficacious tool compound 18 (hmGlu2 IC50 46±14...
October 25, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27821376/a-cardiac-catheterisation-laboratory-core-curriculum-for-the-continuing-professional-development-of-nurses-and-allied-health-professions
#16
Lynne Hinterbuchner, Salomé Coelho, Ricardo Esteves, Sarah Carson, Lene Kløvgaard, Lino Gonçalves, Stephan Windecker, David Zughaft
AIMS: The aim is to provide a standard educational structure for nurses and allied professionals (NAP) specialising in interventional cardiology. The curriculum can also be used as a basis for training on a certificate- based level in interventional cardiology. METHODS AND RESULTS: The curriculum was developed by a panel of experts from various allied health professions. The syllabus focuses on nine core areas of themes essential for NAPs working in interventional cardiology...
November 8, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27791098/aberrant-h3-3-dynamics-in-nac-promote-vulnerability-to-depressive-like-behavior
#17
Ashley E Lepack, Rosemary C Bagot, Catherine J Peña, Yong-Hwee E Loh, Lorna A Farrelly, Yang Lu, Samuel K Powell, Zachary S Lorsch, Orna Issler, Hannah M Cates, Carol A Tamminga, Henrik Molina, Li Shen, Eric J Nestler, C David Allis, Ian Maze
Human major depressive disorder (MDD), along with related mood disorders, is among the world's greatest public health concerns; however, its pathophysiology remains poorly understood. Persistent changes in gene expression are known to promote physiological aberrations implicated in MDD. More recently, histone mechanisms affecting cell type- and regional-specific chromatin structures have also been shown to contribute to transcriptional programs related to depressive behaviors, as well as responses to antidepressants...
November 1, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27775714/selective-recognition-of-histone-crotonylation-by-double-phd-fingers-of-moz-and-dpf2
#18
Xiaozhe Xiong, Tatyana Panchenko, Shuang Yang, Shuai Zhao, Peiqiang Yan, Wenhao Zhang, Wei Xie, Yuanyuan Li, Yingming Zhao, C David Allis, Haitao Li
Recognition of histone covalent modifications by 'reader' modules constitutes a major mechanism for epigenetic regulation. A recent upsurge of newly discovered histone lysine acylations, such as crotonylation (Kcr), butyrylation (Kbu), and propionylation (Kpr), greatly expands the coding potential of histone lysine modifications. Here we demonstrate that the histone acetylation-binding double PHD finger (DPF) domains of human MOZ (also known as KAT6A) and DPF2 (also known as BAF45d) accommodate a wide range of histone lysine acylations with the strongest preference for Kcr...
December 2016: Nature Chemical Biology
https://www.readbyqxmd.com/read/27770792/more-frequent-more-costly-health-economic-modelling-aspects-of-monitoring-glaucoma-patients-in-england
#19
Trishal Boodhna, David P Crabb
BACKGROUND: Chronic open angle glaucoma (COAG) is an age-related eye disease causing irreversible loss of visual field (VF). Health service delivery for COAG is challenging given the large number of diagnosed patients requiring lifelong periodic monitoring by hospital eye services. Yet frequent examination better determines disease worsening and speed of VF loss under treatment. We examine the cost-effectiveness of increasing frequency of VF examinations during follow-up using a health economic model...
October 22, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27768872/chromatin-kinases-act-on-transcription-factors-and-histone-tails-in-regulation-of-inducible-transcription
#20
Steven Z Josefowicz, Miho Shimada, Anja Armache, Charles H Li, Rand M Miller, Shu Lin, Aerin Yang, Brian D Dill, Henrik Molina, Hee-Sung Park, Benjamin A Garcia, Jack Taunton, Robert G Roeder, C David Allis
The inflammatory response requires coordinated activation of both transcription factors and chromatin to induce transcription for defense against pathogens and environmental insults. We sought to elucidate the connections between inflammatory signaling pathways and chromatin through genomic footprinting of kinase activity and unbiased identification of prominent histone phosphorylation events. We identified H3 serine 28 phosphorylation (H3S28ph) as the principal stimulation-dependent histone modification and observed its enrichment at induced genes in mouse macrophages stimulated with bacterial lipopolysaccharide...
October 20, 2016: Molecular Cell
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