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https://www.readbyqxmd.com/read/28636299/-sprain-of-the-thumb-metacarpal-phalangeal-with-lesion-of-the-ulnar-collateral-ligament
#1
Thibault Poujade, Grégoire Chick
The sprain of the thumb metacarpal-phalangeal joint must be treated in an adapted way in order to avoid chronic laxity. The comparative and bilateral clinical exam is the main element that will allow to detect laxity. In the case of non laxity, a conservative treatment with a splint makes sense. In the case of laxity with Stener effect, a surgical procedure is recommended in order to reintegrate the collateral ligament. In the case of laxity without Stener effect, the choice of treatment is contentious. A US or MRI would be useful if the Stener effect could be underlying...
May 17, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28636294/-selective-therapeutic-de-escalation-in-early-stage-breast-cancer
#2
Aikaterini Liapi, Apostolos Sarivalasis, Wendy Jeanneret Sozzi, Loïc Lelièvre, Khalil Zaman
The survival of patients with breast cancer has improved considerably thanks to adjuvant radiotherapy and systemic treatments. Due to the potential adverse events associated with these treatments, a de-escalation effort was undertaken concerning surgery and more recently the adjuvant treatments. Conservative breast surgery and the avoidance of axillary dissection were possible for the majority of the patients without detrimental effect on survival. New radiotherapy techniques and the consideration of cancer biology allowed to better protect the peripheral organs and even to avoid treatment in certain low-risk patients...
May 17, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28636198/actin-filament-reorganisation-controlled-by-the-scar-wave-complex-mediates-stomatal-response-to-darkness
#3
Jean-Charles Isner, Zaoxu Xu, Joaquim Miguel Costa, Fabien Monnet, Thomas Batstone, Xiaobin Ou, Michael J Deeks, Bernard Genty, Kun Jiang, Alistair M Hetherington
Stomata respond to darkness by closing to prevent excessive water loss during the night. Although the reorganisation of actin filaments during stomatal closure is documented, the underlying mechanisms responsible for dark-induced cytoskeletal arrangement remain largely unknown. We used genetic, physiological and cell biological approaches to show that reorganisation of the actin cytoskeleton is required for dark-induced stomatal closure. The opal5 mutant does not close in response to darkness but exhibits wild-type (WT) behaviour when exposed to abscisic acid (ABA) or CaCl2 ...
June 21, 2017: New Phytologist
https://www.readbyqxmd.com/read/28635983/risk-factors-for-re-excision-following-breast-conserving-surgery
#4
Kimberly Rodriguez, Gayle G Wilkins, Patricia Newcomb, Patricia A Gwirtz, Robin Skrine
PURPOSE/OBJECTIVES: To identify previously unstudied factors predicting re-excision following breast-conserving surgery (BCS) and to assess the feasibility of obtaining data about breast density for predictive modeling.
. DESIGN: Retrospective secondary data analysis.
. SETTING: Data were obtained from the cancer registry and electronic health records (EHRs) at Texas Health Harris Methodist Hospital, a large, urban, private, nonprofit hospital in North Texas...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28635589/regulation-of-escherichia-coli-pathogenesis-by-alternative-sigma-factor-n
#5
James T Riordan, Avishek Mitra
σ(N) (also σ(54)) is an alternative sigma factor subunit of the RNA polymerase complex that regulates the expression of genes from many different ontological groups. It is broadly conserved in the Eubacteria with major roles in nitrogen metabolism, membrane biogenesis, and motility. σ(N) is encoded as the first gene of a five-gene operon including rpoN (σ(N)), ptsN, hpf, rapZ, and npr that has been genetically retained among species of Escherichia, Shigella, and Salmonella. In an increasing number of bacteria, σ(N) has been implicated in the control of genes essential to pathogenic behavior, including those involved in adherence, secretion, immune subversion, biofilm formation, toxin production, and resistance to both antimicrobials and biological stressors...
June 2017: EcoSal Plus
https://www.readbyqxmd.com/read/28635506/an-individualised-acoustically-transparent-earpiece-for-hearing-devices
#6
Florian Denk, Marko Hiipakka, Birger Kollmeier, Stephan M A Ernst
OBJECTIVE: An important and often still unresolved problem of hearing devices such as assistive listening devices and hearing aids is limited user acceptance - a primary reason is poor conservation quality of the acoustic environment. Approaching a possible solution to this problem, an earpiece prototype is presented and evaluated. The prototype is individually and automatically calibrated in situ to provide acoustical transparency, i.e., achieving an audio perception alike to the open ear...
March 1, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28635485/letter
#7
Suzy
Why is it 'interesting' that three of the nurse MPs are Conservative (Election wins boost nurse numbers in the Commons, news, 14 June)?
June 21, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28635460/changing-the-agenda
#8
Tom Bolger
Conservative MP Maria Caulfield raises concerns about nurses' pay but claims it's not about total money in the system but 'what's being done with it'.
June 21, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28635365/nucleosomal-organization-and-dna-base-composition-patterns
#9
Alicia García, Sara González, Francisco Antequera
Nucleosomes are the basic units of chromatin. They compact the genome inside the nucleus and regulate the access of proteins to DNA. In the yeast genome, most nucleosomes occupy well-defined positions, which are maintained under many different physiological situations and genetic backgrounds. Although several short sequence elements have been described that favour or reduce the affinity between histones and DNA, the extent to which the DNA sequence affects nucleosome positioning in the genomic context remains unclear...
June 21, 2017: Nucleus
https://www.readbyqxmd.com/read/28634781/infectious-disease-surveillance-in-the-woylie-bettongia-penicillata
#10
Kim Skogvold, Kristin S Warren, Bethany Jackson, Carly S Holyoake, Kathryn Stalder, Joanne M Devlin, Simone D Vitali, Adrian F Wayne, Alistair Legione, Ian Robertson, Rebecca J Vaughan-Higgins
Wild populations of the critically endangered woylie (Bettongia penicillata) recently declined by 90% in southwest Western Australia. Increased predation is the leading hypothesis for decline, but disease may be playing a role increasing susceptibility to predation. To explore this possibility, we surveyed woylie populations in the wild, in captivity and in a predator-free sanctuary for exposure to, and infection with, four known pathogens of macropods: herpesviruses, Wallal and Warrego orbiviruses, and Toxoplasma gondii...
June 20, 2017: EcoHealth
https://www.readbyqxmd.com/read/28634743/comminuted-olecranon-fractures-biomechanical-testing-of-locked-versus-minifragment-non-locked-plate-fixation
#11
David S Wellman, Scott M Tucker, Josh R Baxter, Nadine C Pardee, Lionel E Lazaro, Christopher S Smith, Dean G Lorich, David L Helfet
INTRODUCTION: Open reduction and internal fixation has long been accepted as optimal treatment for displaced olecranon fractures based on poor results seen with conservative management. With the presence of comminution, tension-band wiring constructs are contraindicated due to tendency to compress through fragments, thereby shortening the articular segment. Therefore, plate fixation is typically employed. Our hypothesis was that in a comminuted fracture model, 2.7 mm reconstruction plating without locking screws will perform equally to 3...
June 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28634636/farmers-willingness-to-adopt-conservation-agriculture-new-evidence-from-lebanon
#12
Ali Chalak, Alexandra Irani, Jad Chaaban, Issam Bashour, Karin Seyfert, Kaitlyn Smoot, Gumataw Kifle Abebe
With increasing food insecurity and climate change, conservation agriculture has emerged as a sustainable alternative to intensive conventional agriculture as a source of food supply. Yet the adoption rate of conservation agriculture is still low. Our paper analyses the factors affecting farmers' willingness to adopt conservation agriculture in Lebanon. The findings show that household characteristics-years of farming and farm size affect conservation agriculture adoption. However, household characteristics alone were insufficient to explain conservation agriculture adoption...
June 20, 2017: Environmental Management
https://www.readbyqxmd.com/read/28634620/new-data-on-neodiplostomum-americanum-chandler-and-rausch-1947-digenea-diplostomidae-in-the-great-horned-owl-bubo-virginianus-gmelin-1788-and-the-eastern-screech-owl-megascops-asio-linnaeus-1758-in-mississippi-usa
#13
Ethan T Woodyard, Thomas G Rosser, Matt J Griffin
Neodiplostomum americanum Chandler and Rausch, 1947 has been reported from six species of owls in North America. At present, there are no molecular data for this species and gene sequence data from Neodiplostomum Railliet, 1919 are limited. A freshly deceased specimen of the Great Horned Owl Bubo virginianus Gmelin, 1788 and a freshly deceased specimen of the Eastern Screech Owl Megascops asio Linnaeus, 1758 were collected in Oktibbeha County, Mississippi in 2014 and 2016, respectively. Neodiplostomum americanum were recovered from both hosts...
June 20, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28634583/circular-rnas-biogenesis-function-and-role-in-human-diseases
#14
REVIEW
John Greene, Anne-Marie Baird, Lauren Brady, Marvin Lim, Steven G Gray, Raymond McDermott, Stephen P Finn
Circular RNAs (circRNAs) are currently classed as non-coding RNA (ncRNA) that, unlike linear RNAs, form covalently closed continuous loops and act as gene regulators in mammals. They were originally thought to represent errors in splicing and considered to be of low abundance, however, there is now an increased appreciation of their important function in gene regulation. circRNAs are differentially generated by backsplicing of exons or from lariat introns. Unlike linear RNA, the 3' and 5' ends normally present in an RNA molecule have been joined together by covalent bonds leading to circularization...
2017: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/28634568/sirtuin-2-protects-neural-cells-from-oxidative-stress-and-is-elevated-in-neurodegeneration
#15
Preeti Singh, Peter S Hanson, Christopher M Morris
Sirtuins are highly conserved lysine deacetylases involved in ageing, energy production, and lifespan extension. The mammalian SIRT2 has been implicated in Parkinson's disease (PD) where studies suggest SIRT2 promotes neurodegeneration. We therefore evaluated the effects of SIRT2 manipulation in toxin treated SH-SY5Y cells and determined the expression and activity of SIRT2 in postmortem brain tissue from patients with PD. SH-SY5Y viability in response to oxidative stress induced by diquat or rotenone was measured following SIRT2 overexpression or inhibition of deacetylase activity, along with α-synuclein aggregation...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28634555/a-rare-case-of-pneumopericardium-in-the-setting-of-tuberculous-constrictive-pericarditis
#16
Lauro L Abrahan Iv, Stephanie Martha O Obillos, Jaime Alfonso M Aherrera, Jose Donato A Magno, Celia Catherine C Uy-Agbayani, Ulysses King G Gopez, Jobelle Joyce Anne R Baldonado
A 28-year-old Filipino male was admitted due to high-grade fevers and dyspnea on a background of chronic cough and weight loss. Due to clinical and echocardiographic signs of cardiac tamponade, emergency pericardiocentesis was performed on his first hospital day. Five days after, chest radiographs showed new pockets of radiolucency within the cardiac shadow, indicative of pneumopericardium. On repeat echo, air microbubbles admixed with loculated effusion were visualized in the anterior pericardial space. Constrictive physiology was also supported by a thickened pericardium, septal bounce, exaggerated respiratory variation in AV valve inflow, and IVC plethora...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28634481/genome-wide-analysis-of-the-rav-family-in-soybean-and-functional-identification-of-gmrav-03-involvement-in-salt-and-drought-stresses-and-exogenous-aba-treatment
#17
Shu-Ping Zhao, Zhao-Shi Xu, Wei-Jun Zheng, Wan Zhao, Yan-Xia Wang, Tai-Fei Yu, Ming Chen, Yong-Bin Zhou, Dong-Hong Min, You-Zhi Ma, Shou-Cheng Chai, Xiao-Hong Zhang
Transcription factors play vital roles in plant growth and in plant responses to abiotic stresses. The RAV transcription factors contain a B3 DNA binding domain and/or an APETALA2 (AP2) DNA binding domain. Although genome-wide analyses of RAV family genes have been performed in several species, little is known about the family in soybean (Glycine max L.). In this study, a total of 13 RAV genes, named as GmRAVs, were identified in the soybean genome. We predicted and analyzed the amino acid compositions, phylogenetic relationships, and folding states of conserved domain sequences of soybean RAV transcription factors...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28634480/fc-galactosylation-of-human-immunoglobulin-gamma-isotypes-improves-c1q-binding-and-enhances-complement-dependent-cytotoxicity
#18
Benjamin Peschke, Christian W Keller, Patrick Weber, Isaak Quast, Jan D Lünemann
Binding of the complement component C1q to the CH2 domain of antigen-bound immunoglobulin gamma (IgG) activates the classical complement pathway and depends on its close proximity to Fc fragments of neighboring antibodies. IgG subclasses contain a highly conserved asparagine 297 (N)-linked biantennary glycan within their CH2 domains, the core structure of which can be extended with terminal galactose and sialic acid residues. To investigate whether Fc-glycosylation regulates effector functions of human IgG subclasses, we cloned the antigen-binding region of the CD20-specific monoclonal antibody rituximab into IgG isotype expression vectors...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28634384/alternative-splicing-regulates-distinct-subcellular-localization-of-epithelial-splicing-regulatory-protein-1-esrp1-isoforms
#19
Yueqin Yang, Russ P Carstens
Epithelial-Splicing-Regulatory-Protein 1 (Esrp1) is a cell-type specific RNA-binding protein (RBP) that is essential for mammalian development through maintenance of epithelial cell properties including barrier function. Esrp1 also regulates splicing during the epithelial to mesenchymal transition (EMT). It contains three highly conserved RNA recognition motifs (RRMs) in the absence of other clearly defined protein domains. Esrp1 itself is also alternatively spliced to produce multiple protein isoforms. Here we determined that two competing alternative 5' splice sites in exon 12 yield Esrp1 isoforms with differential nucleocytoplasmic localization...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634352/differences-in-sequences-between-hbv-relaxed-circular-dna-and-covalently-closed-circular-dna
#20
Magda Rybicka, Anna Woziwodzka, Tomasz Romanowski, Piotr Stalke, Marcin Dręczewski, Krzysztof Piotr Bielawski
The hepatitis B virus (HBV) genome exists in two forms: circular covalently closed DNA (cccDNA) and relaxed circular DNA (RCDNA). Here, we investigated the presence of differences in the sequences of both forms in paired samples of serum and liver tissue. The serum and liver biopsy samples were collected at the same time from 67 chronically infected patients. The genotyping of the RCDNA and cccDNA was performed using mass spectrometry analysis. The HBV mutations located in the HBV pol (P) and the HBV basal core promoter/pre-core (BCP/PC) regions were included...
June 21, 2017: Emerging Microbes & Infections
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