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https://www.readbyqxmd.com/read/27917740/delirium-superimposed-on-dementia-phenomenological-differences-between-patients-with-and-without-behavioral-and-psychological-symptoms-of-dementia-in-a-specialized-delirium-unit
#1
Jennifer Abengaña, Mei Sian Chong, Laura Tay
BACKGROUND: Overlap between neuropsychiatric symptoms of dementia and delirium complicates diagnosis of delirium superimposed on dementia (DSD). This study sought to examine differences in delirium presentation and outcomes between DSD patients with and without pre-existing behavioral and psychological symptoms of dementia (BPSD). METHODS: This was a prospective cohort study of older adults with DSD admitted to a specialized delirium unit (December 2010-August 2012)...
December 5, 2016: International Psychogeriatrics
https://www.readbyqxmd.com/read/27916189/editorial-commentary-lateral-extra-articular-reconstructions-with-anterior-cruciate-ligament-surgery-are-these-operative-procedures-supported-by-in%C3%A2-vitro-biomechanical-studies
#2
EDITORIAL
Frank R Noyes
There remains controversy on the role of a concurrent lateral extra-articular procedure with anterior cruciate ligament (ACL) reconstruction. Previous biomechanical studies often are historical and inconclusive. Studies show the anterolateral ligament and iliotibial band are secondary restraints and, when injured in conjunction with the ACL, produce gross (Grade 3) pivot-shift subluxations. Recent robotic studies show a well-placed bone-patellar tendon-bone reconstruction does restore time-zero kinematics with a negative pivot-shift...
December 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27914750/-medical-prescription-and-informed-consent-for-the-use-of-physical-restraints-in-nursing-homes-in-the-canary-islands-spain
#3
Gabriel J Estévez-Guerra, Emilio Fariña-López, Eva Penelo
OBJECTIVE: To identify the frequency of completion of informed consent and medical prescription in the clinical records of older patients subject to physical restraint, and to analyse the association between patient characteristics and the absence of such documentation. METHODS: A cross-sectional and descriptive multicentre study with direct observation and review of clinical records was conducted in nine public nursing homes, comprising 1,058 beds. RESULTS: 274 residents were physically restrained...
November 30, 2016: Gaceta Sanitaria
https://www.readbyqxmd.com/read/27914009/serum-response-factor-srf-ablation-interferes-with-acute-stress-associated-immediate-and-long-term-coping-mechanisms
#4
Annemarie Zimprich, Gabi Mroz, Christopher Meyer Zu Reckendorf, Sofia Anastasiadou, Philip Förstner, Lillian Garrett, Sabine M Hölter, Lore Becker, Jan Rozman, Cornelia Prehn, Birgit Rathkolb, Kristin Moreth, Wolfgang Wurst, Thomas Klopstock, Martin Klingenspor, Jerzy Adamski, Eckhard Wolf, Raffi Bekeredjian, Helmut Fuchs, Valerie Gailus-Durner, Martin Hrabe de Angelis, Bernd Knöll
Stress experience modulates behavior, metabolism, and energy expenditure of organisms. One molecular hallmark of an acute stress response is a rapid induction of immediate early genes (IEGs) such as c-Fos and Egr family members. IEG transcription in neurons is mediated by the neuronal activity-driven gene regulator serum response factor (SRF). We show a first role of SRF in immediate and long-lasting acute restraint stress (AS) responses. For this, we employed a standardized mouse phenotyping protocol at the German Mouse Clinic (GMC) including behavioral, metabolic, and cardiologic tests as well as gene expression profiling to analyze the consequences of forebrain-specific SRF deletion in mice exposed to AS...
December 2, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27913525/checkpoint-inhibition-in-myeloma
#5
Don M Benson
Historically, attempts at cancer immunotherapy have emphasized strategies designed to stimulate or augment the immune system into action. In the past decade, a complementary approach has developed, that of releasing immune cells from inhibitory restraint. Discoveries in the fundamental biology of how immunity is regulated, how the immune system interfaces with malignancy, and how cancer cells may exploit these processes to evade detection have all been translated into the rapidly growing field of therapeutic immune checkpoint inhibition for cancer...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27911715/the-control-of-inflammation-via-the-phosphorylation-and-dephosphorylation-of-tristetraprolin-a-tale-of-two-phosphatases
#6
REVIEW
Andrew R Clark, Jonathan L E Dean
Twenty years ago, the first description of a tristetraprolin (TTP) knockout mouse highlighted the fundamental role of TTP in the restraint of inflammation. Since then, work from several groups has generated a detailed picture of the expression and function of TTP. It is a sequence-specific RNA-binding protein that orchestrates the deadenylation and degradation of several mRNAs encoding inflammatory mediators. It is very extensively post-translationally modified, with more than 30 phosphorylations that are supported by at least two independent lines of evidence...
October 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27910948/improved-in-cell-structure-determination-of-proteins-at-near-physiological-concentration
#7
Teppei Ikeya, Tomomi Hanashima, Saori Hosoya, Manato Shimazaki, Shiro Ikeda, Masaki Mishima, Peter Güntert, Yutaka Ito
Investigating three-dimensional (3D) structures of proteins in living cells by in-cell nuclear magnetic resonance (NMR) spectroscopy opens an avenue towards understanding the structural basis of their functions and physical properties under physiological conditions inside cells. In-cell NMR provides data at atomic resolution non-invasively, and has been used to detect protein-protein interactions, thermodynamics of protein stability, the behavior of intrinsically disordered proteins, etc. in cells. However, so far only a single de novo 3D protein structure could be determined based on data derived only from in-cell NMR...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910254/identification-and-analysis-of-factors-contributing-to-the-reduction-in-seclusion-and-restraint-for-a-population-with-intellectual-disability
#8
Caroline Larue, Marie-Hélène Goulet, Marie-Josée Prevost, Alexandre Dumais, Jacques Bellavance
BACKGROUND: A cohort of 11 patients with an intellectual disability and a psychiatric diagnosis present severe behavioural disorders in psychiatric hospital of Quebec in 2009. Control-measure use for this clientele has now been reduced. How do management personnel, families and care teams explain the changes? What clinical interventions did management and care providers implement that contributed to the reduction? METHOD: A retrospective case study was conducted...
December 2, 2016: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/27910133/physical-restraints-and-associations-with-neuropsychiatric-symptoms-and-personal-characteristics-in-residential-care-a-cross-sectional-study
#9
Marja Kuronen, Hannu Kautiainen, Pertti Karppi, Sirpa Hartikainen, Hannu Koponen
BACKGROUND: Physical restraints are widely used in residential care. The objective was to investigate restraint use and its associations with neuropsychiatric symptoms and personal characteristics in residential care. METHODS: Data were collected in the South Savo Hospital District from 66 of 68 public or private institutions providing long-term residential care. Nurses assessed the use of physical restraints and neuropsychiatric symptoms (NPS) included in the symptom list of the Neuropsychiatric Inventory (NPI)...
December 2, 2016: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/27908768/acute-stress-diminishes-m-current-contributing-to-elevated-activity-of-hypothalamic-pituitary-adrenal-axis
#10
Jing-Jing Zhou, Yonggang Gao, Therese A Kosten, Zongmao Zhao, De-Pei Li
Acute stress stimulates corticotrophin-releasing hormone (CRH)-expressing neurons in the hypothalamic paraventricular nucleus (PVN), which is an essential component of hypothalamic-pituitary-adrenal (HPA) axis. However, the cellular and molecular mechanisms remain unclear. The M-channel is a voltage-dependent K(+) channel involved in stabilizing the neuronal membrane potential and regulating neuronal excitability. In this study, we tested our hypothesis that acute stress suppresses expression of Kv7 channels to stimulate PVN-CRH neurons and the HPA axis...
November 28, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27906732/safety-profile-of-children-in-an-enclosure-bed
#11
Eileen Sherburne, Julia A Snethen, Sheryl Kelber
PURPOSE: Pediatric nurses care for many children in the hospital setting whose behavioral challenges can impact safety. One intervention utilized to prevent injury and improve safety when caring for this population of children has been the enclosure bed. Scant information was found in the literature that discusses the use of the enclosure bed in the pediatric setting. The purpose of this article is to examine the use of the enclosure bed in the pediatric setting. A secondary aim is to identify the population of children where an enclosure bed was implemented and the safety factors associated with use of the enclosure bed...
January 2017: Clinical Nurse Specialist CNS
https://www.readbyqxmd.com/read/27906551/ald1613-a-novel-long-acting-monoclonal-antibody-to-control-acth-driven-pharmacology
#12
Andrew L Feldhaus, Katie Anderson, Benjamin Dutzar, Ethan Ojala, Patricia Dianne McNeill, Pei Fan, Jenny Mulligan, Sam Marzolf, Charlie Karasek, Michelle Scalley-Kim, Erica Stewart, Jens Billgren, Vanessa Rubin, Kathleen Schneider, David Jurchen, Kathy Snow, Shaun Barnett, Barbara Bengtsson, Brian Baker, John A Latham, Dan Allison, Leon F Garcia-Martinez
ACTH is the primary regulator of adrenal glucocorticoid production. Elevated levels of ACTH play a critical role in disease progression in several indications including congenital adrenal hyperplasia and Cushing's disease. We have generated a specific, high affinity, neutralizing monoclonal antibody (ALD1613) to ACTH. In vitro, ALD1613 neutralizes ACTH-induced signaling via all five melanocortin receptors and inhibited ACTH-induced cAMP accumulation in a mouse adrenal cell line (Y1). ALD1613 administration to wild-type rats significantly reduced plasma corticosterone levels in a dose dependent manner...
December 1, 2016: Endocrinology
https://www.readbyqxmd.com/read/27904790/current-concepts-in-the-treatment-of-gross-patellofemoral-instability
#13
Grant Buchanan, LeeAnne Torres, Brian Czarkowski, Charles E Giangarra
: Patellofemoral instability is a painful and commonly recurring condition, which often must be managed surgically. Diagnosis can be aided by the use of a variety of physical exam signs, such as the Q angle, Beighton hypermobility score, glide test, J sign, patellar tilt test, and apprehension test. Imaging modalities including x-ray, CT, and MRI guide both diagnosis and management by revealing trochlear dysplasia, bony malalignment, and ligamentous injury that contribute to instability...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27901467/structural-basis-for-the-disaggregase-activity-and-regulation-of-hsp104
#14
Alexander Heuck, Sonja Schitter-Sollner, Marcin Józef Suskiewicz, Robert Kurzbauer, Juliane Kley, Alexander Schleiffer, Pascaline Rombaut, Franz Herzog, Tim Clausen
The Hsp104 disaggregase is a two-ring ATPase machine that rescues various forms of non-native proteins including the highly resistant amyloid fibers. The structural-mechanistic underpinnings of how the recovery of toxic protein aggregates is promoted and how this potent unfolding activity is prevented from doing collateral damage to cellular proteins are not well understood. Here, we present structural and biochemical data revealing the organization of Hsp104 from Chaetomium thermophilum at 3.7 Å resolution...
November 30, 2016: ELife
https://www.readbyqxmd.com/read/27901414/cognitive-deficits-and-inflammatory-response-resulting-from-mild-to-moderate-traumatic-brain-injury-in-rats-are-exacerbated-by-repeated-pre-exposure-to-an-innate-stress-stimulus
#15
Michaël Ogier, Amor Belmeguenai, Thomas Lieutaud, Béatrice Georges, Sandrine Bouvard, Emilie Carré, Frédéric Canini, Laurent Bezin
Traumatic brain injury (TBI) is common in both military and civilian populations, and often results in neurobehavioral sequelae that impair quality of life in both patients and their family. Although individuals who are chronically exposed to stress are more likely to experience TBI, it is still unknown whether pre-injury stress influences the outcome after TBI. The present study tested whether behavioral and cognitive long-term outcome after TBI in rats is affected by prior exposure to an innate stress stimulus...
November 30, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27899641/3d-genome-structure-modeling-by-lorentzian-objective-function
#16
Tuan Trieu, Jianlin Cheng
The 3D structure of the genome plays a vital role in biological processes such as gene interaction, gene regulation, DNA replication and genome methylation. Advanced chromosomal conformation capture techniques, such as Hi-C and tethered conformation capture, can generate chromosomal contact data that can be used to computationally reconstruct 3D structures of the genome. We developed a novel restraint-based method that is capable of reconstructing 3D genome structures utilizing both intra-and inter-chromosomal contact data...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27896733/3d-computational-modeling-of-proteins-using-sparse-paramagnetic-nmr-data
#17
Kala Bharath Pilla, Gottfried Otting, Thomas Huber
Computational modeling of proteins using evolutionary or de novo approaches offers rapid structural characterization, but often suffers from low success rates in generating high quality models comparable to the accuracy of structures observed in X-ray crystallography or nuclear magnetic resonance (NMR) spectroscopy. A computational/experimental hybrid approach incorporating sparse experimental restraints in computational modeling algorithms drastically improves reliability and accuracy of 3D models. This chapter discusses the use of structural information obtained from various paramagnetic NMR measurements and demonstrates computational algorithms implementing pseudocontact shifts as restraints to determine the structure of proteins at atomic resolution...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896022/pdia3-gene-induces-visceral-hypersensitivity-in-rats-with-irritable-bowel-syndrome-through-the-dendritic-cell-mediated-activation-of-t-cells
#18
Zhaomeng Zhuang, Lu Zhang, Xiaoteng Wang, Liyuan Tao, Bin Lv
This study investigated the mechanism of protein disulfide-isomerase A3 (PDIA3)-induced visceral hypersensitivity in irritable bowel syndrome (IBS). Rats were treated with saline (control), acetic acid and restraint stress (IBS model), empty vector (RNAi control) and PDIA3-RNAi vector (PDIA3-RNAi). Mesenteric lymph node DCs (MLNDCs) and splenic CD4+/CD8+ T cells were isolated for co-cultivation. Compared with control, MLNDCs co-cultured with CD4+ or CD8+ T cells showed an increased ability to promote T cell proliferation and produced more IL-4 or IL-9 secretion...
2016: PeerJ
https://www.readbyqxmd.com/read/27895915/care-practices-of-older-people-with-dementia-in-the-surgical-ward-a-questionnaire-survey
#19
Nina Hynninen, Reetta Saarnio, Satu Elo
OBJECTIVES: The objective of this study was to describe the care practices of nursing staff caring older people with dementia in a surgical ward. METHODS: The data were collected from nursing staff (n = 191) working in surgical wards in one district area in Finland during October to November 2015. Data were collected using a structured questionnaire and analyzed statistically. The instrument consists of a total number of 141 items and four dimensions. The dimensions were as follows: background information (12 of items), specific characteristics of older people with dementia in a surgical ward (24 of items), specific characteristics of their care in a surgical ward (66 of items) and use of physical restraints and alternative models for use of restraints for people with dementia (39 of items)...
2016: SAGE Open Medicine
https://www.readbyqxmd.com/read/27895892/sexual-dimorphism-in-the-mast-cell-transcriptome-and-the-pathophysiological-responses-to-immunological-and-psychological-stress
#20
Emily Mackey, Saravanan Ayyadurai, Calvin S Pohl, Susan D' Costa, Yihang Li, Adam J Moeser
BACKGROUND: Biological sex plays a prominent role in the prevalence and severity of a number of important stress-related gastrointestinal and immune-related diseases including IBS and allergy/anaphylaxis. Despite the establishment of sex differences in these diseases, the underlying mechanisms contributing to sex differences remain poorly understood. The objective of this study was to define the role of biological sex on mast cells (MCs), an innate immune cell central to the pathophysiology of many GI and allergic disorders...
2016: Biology of Sex Differences
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