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https://www.readbyqxmd.com/read/28745861/mass-spectrometric-imaging-of-ceramides-tracks-therapeutic-response-in-traumatic-brain-injury
#1
Damon Christopher Barbacci, Aurélie Roux, Ludovic Muller, Shelley N Jackson, Jeremy Post, Kathrine Baldwin, Barry Hoffer, Carey Balaban, Shawn Gouty, Brian M Cox, Amina S Woods
Traumatic brain injury (TBI) is a serious public health problem and the leading cause of death in children and young adults. It also contributes to a substantial number of cases of permanent disability. As lipids make up over 50% of the brain mass and play a key role in both membrane structure and cell signaling, their profile is of particular interest. In this study, we show that advanced mass spectrometry imaging (MSI) has sufficient technical accuracy and reproducibility to demonstrate the anatomical distribution of 50 micron diameter microdomains that show changes in brain ceramide levels in a rat model of controlled cortical impact (CCI) 3 days post injury with and without treatment...
July 26, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28745252/-culturally-sensitive-communication-in-end-of-life-care-the-care-for-muslim-patients-as-an-example
#2
N de Graeff, C Savelkoul, A Köse, M Ghaly, C B M Hoffer, D H T Tjan
Suffering and death are an inevitable part of life. In our increasingly multicultural society, healthcare professionals are frequently confronted with ideas on suffering and death that are different from their own. As Muslims are the largest migrant group in the Netherlands, this article focuses specifically on their perspective, illustrated by a clinical case. The different experience of these phenomena, influenced by culture and religion, can lead to confusion and frustration for patients, their relatives, and healthcare professionals alike...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28741757/equivalent-missense-variant-in-the-foxp2-and-foxp1-transcription-factors-causes-distinct-neurodevelopmental-disorders
#3
Elliot Sollis, Pelagia Deriziotis, Hirotomo Saitsu, Noriko Miyake, Naomichi Matsumoto, Mariette J V Hoffer, Claudia A L Ruivenkamp, Mariëlle Alders, Nobuhiko Okamoto, Emilia K Bijlsma, Astrid S Plomp, Simon E Fisher
The closely related paralogues FOXP2 and FOXP1 encode transcription factors with shared functions in the development of many tissues, including the brain. However, while mutations in FOXP2 lead to a speech/language disorder characterized by childhood apraxia of speech (CAS), the clinical profile of FOXP1 variants includes a broader neurodevelopmental phenotype with global developmental delay, intellectual disability and speech/language impairment. Using clinical whole-exome sequencing, we report an identical de novo missense FOXP1 variant identified in three unrelated patients...
July 25, 2017: Human Mutation
https://www.readbyqxmd.com/read/28696277/learning-from-adversity
#4
Robert B Bourret
Many two-component regulatory systems, including Escherichia coli PhoRB, are positively autoregulated, so that stimuli result in an increase in the concentration of signaling proteins. When the quantity of signaling proteins depends on exposure history, how do past conditions affect future responses to stimuli? Hoffer et al. previously reported (J Bacteriol 183:4914-4917, 2001, https://doi.org/10.1128/JB.183.16.4914-4917.2001) that E. coli "learn" from phosphate starvation and respond more rapidly to subsequent episodes of starvation...
July 10, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28694616/reoperation-in-spinal-dysraphism-does-it-help-in-reversing-the-neurological-deficits
#5
Praful Suresh Maste, Yadhu Kasetti Lokanath, Shambhulingappa S Mahantshetti
AIMS: After initial primary repair by inexperienced hands for the spectrum of pathological conditions in spinal dysraphism (SD), a few percentage of patients present with recurrent symptoms and worsening neurological status especially when primarily pathology is not identified and dealt properly. When the primary intradural tethering element is left untouched, worsening of symptoms is common. In this retrospective study, we tried to analyze the symptomatology, functional outcome at 1-2 months after the second surgery and associated complications...
July 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28681907/corneal-asphericity-and-iol-power-calculation-in-eyes-with-aspherical-iols
#6
Giacomo Savini, Kenneth J Hoffer, Piero Barboni, Domenico Schiano Lomoriello, Pietro Ducoli
PURPOSE: Given that a previous study found that corneal asphericity influences the refractive outcome of intraocular lens (IOL) power calculation by means of thin-lens formulas in eyes with spherical IOLs, the authors aimed to verify whether such influence can also be observed in eyes with aspherical IOLs. METHODS: In this retrospective comparative case series, IOL power was calculated with the Haigis, Hoffer Q, Holladay 1, and SRK/T formulas in two groups of eyes undergoing phacoemulsification and implantation of an aspherical IOL (Acrysof SN60WF; Alcon Laboratories, Inc...
July 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28681717/clinical-effectiveness-cost-effectiveness-and-acceptability-of-low-intensity-interventions-in-the-management-of-obsessive-compulsive-disorder-the-obsessive-compulsive-treatment-efficacy-randomised-controlled-trial-octet
#7
Karina Lovell, Peter Bower, Judith Gellatly, Sarah Byford, Penny Bee, Dean McMillan, Catherine Arundel, Simon Gilbody, Lina Gega, Gillian Hardy, Shirley Reynolds, Michael Barkham, Patricia Mottram, Nicola Lidbetter, Rebecca Pedley, Jo Molle, Emily Peckham, Jasmin Knopp-Hoffer, Owen Price, Janice Connell, Margaret Heslin, Christopher Foley, Faye Plummer, Christopher Roberts
BACKGROUND: The Obsessive-Compulsive Treatment Efficacy randomised controlled Trial emerged from a research recommendation in National Institute for Health and Care Excellence obsessive-compulsive disorder (OCD) guidelines, which specified the need to evaluate cognitive-behavioural therapy (CBT) treatment intensity formats. OBJECTIVES: To determine the clinical effectiveness and cost-effectiveness of two low-intensity CBT interventions [supported computerised cognitive-behavioural therapy (cCBT) and guided self-help]: (1) compared with waiting list for high-intensity CBT in adults with OCD at 3 months; and (2) plus high-intensity CBT compared with waiting list plus high-intensity CBT in adults with OCD at 12 months...
June 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28678637/transitioning-illicit-drug-preferences-and-emerging-user-identities-in-ohio-the-proliferation-of-methamphetamine-use-among-african-americans
#8
Karen Coen Flynn, Lee D Hoffer
Understanding the social dynamics of local methamphetamine markets is critical to improving community health and reducing social costs associated with illicit drug use. We examine a local drug market in Summit County, Ohio, wherein methamphetamine users ascribe themselves different ethnic identities from those long associated with the drug elsewhere in the United States. Qualitative interviews with 52 study participants demonstrate that very poor and homeless White males and females are now using methamphetamine; however, even more surprising is that 31 of the participants identified themselves as poor or homeless, male or female African, Native, biracial, or multiracial Americans...
July 5, 2017: Journal of Ethnicity in Substance Abuse
https://www.readbyqxmd.com/read/28656612/preventing-episodic-migraine-with-caloric-vestibular-stimulation-a-randomized-controlled-trial
#9
David Wilkinson, Kristen K Ade, Lesco L Rogers, Deborah K Attix, Maragatha Kuchibhatla, Martin D Slade, Lanty L Smith, Kathryn P Poynter, Daniel T Laskowitz, Marshall C Freeman, Michael E Hoffer, Joel R Saper, Dianne L Scott, Mohamed Sakel, Anne H Calhoun, Robert D Black
OBJECTIVE: To evaluate the safety and efficacy of a novel solid-state, caloric vestibular stimulation (CVS) device to provide adjuvant therapy for the prevention of episodic migraine in adult migraineurs. BACKGROUND: Migraine causes significant disability in ∼12% of the world population. No current migraine preventive treatment provides full clinical relief, and many exhibit high rates of discontinuation due to adverse events. Thus, new therapeutic options are needed...
June 27, 2017: Headache
https://www.readbyqxmd.com/read/28654682/low-intensity-cognitive-behaviour-therapy-interventions-for-obsessive-compulsive-disorder-compared-to-waiting-list-for-therapist-led-cognitive-behaviour-therapy-3-arm-randomised-controlled-trial-of-clinical-effectiveness
#10
RANDOMIZED CONTROLLED TRIAL
Karina Lovell, Peter Bower, Judith Gellatly, Sarah Byford, Penny Bee, Dean McMillan, Catherine Arundel, Simon Gilbody, Lina Gega, Gillian Hardy, Shirley Reynolds, Michael Barkham, Patricia Mottram, Nicola Lidbetter, Rebecca Pedley, Jo Molle, Emily Peckham, Jasmin Knopp-Hoffer, Owen Price, Janice Connell, Margaret Heslin, Christopher Foley, Faye Plummer, Christopher Roberts
BACKGROUND: Obsessive-compulsive disorder (OCD) is prevalent and without adequate treatment usually follows a chronic course. "High-intensity" cognitive-behaviour therapy (CBT) from a specialist therapist is current "best practice." However, access is difficult because of limited numbers of therapists and because of the disabling effects of OCD symptoms. There is a potential role for "low-intensity" interventions as part of a stepped care model. Low-intensity interventions (written or web-based materials with limited therapist support) can be provided remotely, which has the potential to increase access...
June 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28647377/establishing-rarity-in-the-context-of-orphan-medicinal-product-designation-in-the-european-union
#11
REVIEW
Stelios Tsigkos, Matthias Hoffer, Maria Sheean, Segundo Mariz, Kristina Larsson, Frauke Naumann-Winter, Laura Fregonese, Bruno Sepodes
In the European Union (EU) legislative framework for orphan medicinal product designation, establishing that a condition affects not more than five in 10,000 people is a prerequisite for applications based on rarity. Demonstrating this requirement to the Committee of Orphan Medicinal Products (COMP) can be a particularly challenging task for sponsors. Here, we identify and examine three common issues with the estimation of prevalence in orphan drug applications in the EU (the discernment between diagnosed and undiagnosed cases; the duration of the disease; and the need for an explicit contemporary conclusion) as critical factors for acceptable prevalence estimation...
June 21, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28634928/comparison-of-formulas-and-methods-for-high-myopia-patients-requiring-intraocular-lens-powers-less-than-six-diopters
#12
Harry S Geggel
PURPOSE: To determine the best method to minimize postoperative hyperopia and achieve mild myopia in patients requiring low-powered (<6.00 D) MN60MA intraocular lenses (IOLs). METHODS: This retrospective non-comparative case series consists of 32 eyes (20 patients). Postoperative spherical equivalent (SE) refractions were compared using four methods: standard formulas with varying target refractions (Haigis -1.00 D, Hoffer Q -1.75 D, Holladay 1 -1.50 D and SRK/T -1...
June 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28623327/exendin-4-attenuates-blast-traumatic-brain-injury-induced-cognitive-impairments-losses-of-synaptophysin-and-in-vitro-tbi-induced-hippocampal-cellular-degeneration
#13
Lital Rachmany, David Tweedie, Vardit Rubovitch, Yazhou Li, Harold W Holloway, Dong Seok Kim, Whitney A Ratliff, Jessica N Saykally, Bruce A Citron, Barry J Hoffer, Nigel H Greig, Chaim G Pick
Mild blast traumatic brain injury (B-TBI) induced lasting cognitive impairments in novel object recognition and less severe deficits in Y-maze behaviors. B-TBI significantly reduced the levels of synaptophysin (SYP) protein staining in cortical (CTX) and hippocampal (HIPP) tissues. Treatment with exendin-4 (Ex-4) delivered by subcutaneous micro-osmotic pumps 48 hours prior to or 2 hours immediately after B-TBI prevented the induction of both cognitive deficits and B-TBI induced changes in SYP staining. The effects of a series of biaxial stretch injuries (BSI) on a neuronal derived cell line, HT22 cells, were assessed in an in vitro model of TBI...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28613158/sexual-selection-gradients-change-over-time-in-a-simultaneous-hermaphrodite
#14
Jeroen Na Hoffer, Janine Mariën, Jacintha Ellers, Joris M Koene
Sexual selection is generally predicted to act more strongly on males than on females. The Darwin-Bateman paradigm predicts that this should also hold for hermaphrodites. However, measuring this strength of selection is less straightforward when both sexual functions are performed throughout the organism's lifetime. Besides, quantifications of sexual selection are usually done during a short time window, while many animals store sperm and are long-lived. To explore whether the chosen time frame affects estimated measures of sexual selection, we recorded mating success and reproductive success over time, using a simultaneous hermaphrodite...
June 14, 2017: ELife
https://www.readbyqxmd.com/read/28590287/effect-of-gender-and-race-on-ocular-biometry
#15
Kenneth J Hoffer, Giacomo Savini
No abstract text is available yet for this article.
2017: International Ophthalmology Clinics
https://www.readbyqxmd.com/read/28504550/liver-abscesses-factors-that-influence-outcome-of-percutaneous-drainage
#16
Steffen J Haider, Massimo Tarulli, Nancy J McNulty, Eric K Hoffer
OBJECTIVE: The purpose of this study was to identify the details of percutaneous catheter drainage (PCD) of pyogenic liver abscesses, the etiologic factors, and the management techniques that contribute to successful treatment. MATERIALS AND METHODS: The records of 75 consecutively registered patients who underwent PCD of 96 abscesses at a single institution between May 2009 and May 2014 were retrospectively reviewed. Thirty-nine patients (52%) were oncology patients, and 36 (48%) had recently undergone abdominal surgery...
July 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28502046/adapting-the-vegetative-vigour-terrestrial-plant-test-for-assessing-ecotoxicity-of-aerosol-samples
#17
Nora Kováts, Eszter Horváth, Bettina Eck-Varanka, Eszter Csajbók, András Hoffer
Plants, being recognized to show high sensitivity to air pollution, have been long used to assess the ecological effects of airborne contaminants. However, many changes in vegetation are now generally attributed to atmospheric deposition of aerosol particles; the dose-effect relationships of this process are usually poorly known. In contrast to bioindication studies, ecotoxicological tests (or bioassays) are controlled and reproducible where ecological responses are determined quantitatively. In our study, the No...
May 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28464806/the-effect-of-ocular-biometric-factors-on-the-accuracy-of-various-iol-power-calculation-formulas
#18
Jinho Jeong, Han Song, Jimmy K Lee, Roy S Chuck, Ji-Won Kwon
BACKGROUND: To evaluate how differences in ocular biometry affects the Hoffer Q, Holladay 1, SRK/T, and Haigis intraocular lens power calculation formulae predictions. METHODS: This study was performed on 91 eyes of 91 patients who underwent uneventful cataract surgery. Ocular biometry values were measured using the IOL Master 500, and intraocular lens (IOL) power was calculated using the Haigis, Hoffer Q, Holladay 1, and SRK/T formulas. We calculated the expected difference (ED) of each 3rd generation formula from the Haigis formula by subtracting the predicted refraction of the Haigis formula from the predicted refraction of each 3rd generation formula...
May 2, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28447573/improving-neurorepair-in-stroke-brain-through-endogenous-neurogenesis-enhancing-drugs
#19
Kuo-Jen Wu, Seongjin Yu, Jea-Young Lee, Barry Hoffer, Yun Wang
Stroke induces not only cell death but also neurorepair. De novo neurogenesis has been found in the subventricular zone(SVZ) of adult mammalian brain days after stroke. Most of these newly generated cells die shortly after the insult. Recent studies have shown that pharmacological manipulation can improve the survival of endogenous neuroprogenitor cells and neural regeneration in stroke rats. As these drugs target the endogenous reparative processes which occur days after stroke, they may provide a prolonged window for stroke therapy...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28447569/a-new-treatment-strategy-for-parkinson-s-disease-through-the-gut-brain-axis-the-glucagon-like-peptide-1-receptor-pathway
#20
Dong Seok Kim, Ho-Il Choi, Yun Wang, Yu Luo, Barry J Hoffer, Nigel H Greig
Molecular communications in the gut-brain axis, between the central nervous system and the gastrointestinal tract, arecritical for maintaining healthy brain function particularly in aging. Epidemiological analyses indicate type 2 diabetes mellitus (T2DM) is a risk factor for neurodegenerative disorders, including Alzheimer's disease (AD) and Parkinson's diseases (PD) for which aging shows a major correlative association. Common pathophysiological features exist between T2DM, AD and PD, including oxidative stress, inflammation, insulin resistance, abnormal protein processing and cognitive decline, and suggest that effective drugs for T2DM that positively impact the gut-brain axis could provide an effective treatment option for neurodegenerative diseases...
April 26, 2017: Cell Transplantation
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