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https://www.readbyqxmd.com/read/29161320/in-vivo-effects-of-intraocular-and-intracranial-pressures-on-the-lamina-cribrosa-microstructure
#1
Bo Wang, Huong Tran, Matthew A Smith, Tigran Kostanyan, Samantha E Schmitt, Richard A Bilonick, Ning-Jiun Jan, Larry Kagemann, Elizabeth C Tyler-Kabara, Hiroshi Ishikawa, Joel S Schuman, Ian A Sigal, Gadi Wollstein
There is increasing clinical evidence that the eye is not only affected by intraocular pressure (IOP), but also by intracranial pressure (ICP). Both pressures meet at the optic nerve head of the eye, specifically the lamina cribrosa (LC). The LC is a collagenous meshwork through which all retinal ganglion cell axons pass on their way to the brain. Distortion of the LC causes a biological cascade leading to neuropathy and impaired vision in situations such as glaucoma and idiopathic intracranial hypertension...
2017: PloS One
https://www.readbyqxmd.com/read/29160031/maternal-inheritance-of-bdnf-deletion-with-phenotype-of-obesity-and-developmental-delay-in-mother-and-child
#2
Brooke E Harcourt, Denise V R Bullen, Kung-Ting Kao, Daniella Tassoni, Erin J Alexander, Trent Burgess, Susan M White, Matthew A Sabin
Childhood obesity is a significant world health problem. Understanding the genetic and environmental factors contributing to the development of obesity in childhood is important for the rational design of strategies for obesity prevention and treatment. Brain-derived neurotrophic factor (BDNF) plays an important role in the growth and development of the central nervous system, there is also an evidence that BDNF plays a role in regulation of appetite. Disruption of the expression of this gene in a child has been previously reported to result in a phenotype of severe obesity, hyperphagia, impaired cognitive function, and hyperactivity...
November 21, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29159958/evaluation-of-a-low-risk-mild-traumatic-brain-injury-and-intracranial-hemorrhage-emergency-department-observation-protocol
#3
Brian J Yun, Pierre Borczuk, Lulu Wang, Stephen Dorner, Benjamin A White, Ali S Raja
OBJECTIVES: Among emergency physicians, there is wide variation in admitting practices for patients who suffered a mild traumatic brain injury (TBI) with an intracranial hemorrhage (ICH). The purpose of this study was to evaluate the effects of implementing a protocol in the emergency department (ED) observation unit for patients with mild TBI and ICH. METHODS: This retrospective cohort study was approved by the Institutional Review Board. Study subjects were patients ≥18 years of age with an International Classification of Diseases (ICD) code corresponding to a traumatic IC, and admitted to an ED observation unit (EDOU) of an urban, academic level 1 trauma center between February 1, 2015 and January 31, 2017...
November 20, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29159909/essential-role-of-brain-derived-neurotrophic-factor-bdnf-in-diabetic-erectile-dysfunction
#4
L Hu, S Qi, K Zhang, Q Fu
Erectile dysfunction (ED) is a worldwide problem threatens men's health. The incidence of ED in diabetic patients is higher than that in the healthy population. The incidence of peripheral and autonomic neuropathy is significantly higher in diabetic patients than in normal men. Vasomotor nerves play an important role in the regulation of erectile function. Degeneration of autonomic and sensory nerves is a common type of diabetic neuropathy (DNP) and is closely related to erectile function. Brain-derived neurotrophic factor (BDNF) has been demonstrated to improve diabetic erectile dysfunction in rat models and in humans...
November 21, 2017: Andrologia
https://www.readbyqxmd.com/read/29159043/neuroimaging-and-other-modalities-to-assess-alzheimer-s-disease-in-down-syndrome
#5
REVIEW
Natalie Neale, Concepcion Padilla, Luciana Mascarenhas Fonseca, Tony Holland, Shahid Zaman
People with Down syndrome (DS) develop Alzheimer's disease (AD) at higher rates and a younger age of onset compared to the general population. As the average lifespan of people with DS is increasing, AD is becoming an important health concern in this group. Neuroimaging is becoming an increasingly useful tool in understanding the pathogenesis of dementia development in relation to clinical symptoms. Furthermore, neuroimaging has the potential to play a role in AD diagnosis and monitoring of therapeutics. This review describes major recent findings from in vivo neuroimaging studies analysing DS and AD via ligand-based positron emission tomography (PET), [18F] fluorodeoxyglucose (FDG)-PET, structural magnetic resonance imaging (sMRI), and diffusion tensor imaging (DTI)...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29157601/modulation-of-cognition-and-anxiety-like-behavior-by-bone-remodeling
#6
Lori Khrimian, Arnaud Obri, Gerard Karsenty
OBJECTIVE: That the bone-derived hormone osteocalcin is necessary to promote normal brain development and function, along with its recently described sufficiency in reversing cognitive manifestations of aging, raises novel questions. One of these is to assess whether bone health, which deteriorates rapidly with aging, is a significant determinant of cognition and anxiety-like behavior. METHODS: To begin addressing this question, we used mice haploinsufficient for Runx2, the master gene of osteoblast differentiation and the main regulator of Osteocalcin expression...
December 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29157499/functional-abdominal-pain-and-related-syndromes
#7
REVIEW
Michael Herzlinger, Carolina Cerezo
Functional gastrointestinal disorders are very common. They result from dysfunctional interaction in the brain-gut axis. Although the nature is benign, symptoms may be debilitating. The etiology is multifactorial; therefore, the diagnosis should be approached in a bio-psychosocial model. There are no biomarkers to characterize these conditions, but a solid understanding of the pathophysiology allows providers to present these disorders as a positive clinical diagnosis, rather than a diagnosis of exclusion. Effective management entails close collaboration between the medical and mental health providers...
January 2018: Child and Adolescent Psychiatric Clinics of North America
https://www.readbyqxmd.com/read/29157277/a-validated-antibody-panel-for-the-characterization-of-tau-post-translational-modifications
#8
Ebru Ercan, Sameh Eid, Christian Weber, Alexandra Kowalski, Maria Bichmann, Annika Behrendt, Frank Matthes, Sybille Krauss, Peter Reinhardt, Simone Fulle, Dagmar E Ehrnhoefer
BACKGROUND: Tau is a microtubule-binding protein, which is subject to various post-translational modifications (PTMs) including phosphorylation, methylation, acetylation, glycosylation, nitration, sumoylation and truncation. Aberrant PTMs such as hyperphosphorylation result in tau aggregation and the formation of neurofibrillary tangles, which are a hallmark of Alzheimer's disease (AD). In order to study the importance of PTMs on tau function, antibodies raised against specific modification sites are widely used...
November 21, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/29157025/non-pharmacological-rehabilitation-interventions-for-concussion-in-children-a-scoping-review
#9
Danielle M Dobney, Matthew B Miller, Emily Tufts
PURPOSE: To summarise the extent, nature, and quality of current scholarly literature related to non-pharmacological, rehabilitation interventions following concussion, or mild traumatic brain injury in children. METHODS: An electronic search was conducted from 1987 to 24 October 2017. Studies were included if they met the following criteria: (1) full text, peer reviewed, and written in English, (2) original research, (3) diagnosed concussion or mild traumatic brain injury, (4) described the evaluation of an intervention, (5) the outcome was a concussion impairment, and (6) the mean/median age was under 19...
November 20, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29156947/off-label-use-of-antipsychotics-and-associated-factors-in-community-living-older-adults
#10
Hamzah Bakouni, Djamal Berbiche, Helen-Maria Vasiliadis
BACKGROUND: Given the common off-label use of antipsychotics (AP), we aimed to assess the factors associated with this use in community living older adults. METHODS: The study sample consisted of a large representative sample of older adults (n = 4108), covered under a public drug insurance plan in Canada. Off-label use of antipsychotics was defined by the absence of an approved indication for this use, according to Health Canada's drug product database. Multinomial logistic regression was used to assess the factors associated with off-label use...
November 20, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/29156937/book-review-your-brain-in-sickness-and-in-health-the-experience-of-dementia-and-other-brain-disorders-your-brain-in-sickness-and-in-health-the-experience-of-dementia-and-other-brain-disorders-williams-sid-2017-lulu-north-carolina-paperback-507-pages
#11
Nick O'Connor
No abstract text is available yet for this article.
August 1, 2017: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29156847/longitudinal-relationship-between-traumatic-brain-injury-and-the-risk-of-incident-optic-neuropathy-a-10-year-follow-up-nationally-representative-taiwan-survey
#12
Ying-Jen Chen, Chang-Min Liang, Ming-Cheng Tai, Yun-Hsiang Chang, Tzu-Yu Lin, Chi-Hsiang Chung, Fu-Huang Lin, Chang-Huei Tsao, Wu-Chien Chien
Accumulating evidences had shown that traumatic brain injury was associated with visual impairment or vision loss. However, there were a limited number of empirical studies regarding the longitudinal relationship between traumatic brain injury and incident optic neuropathy. We studied a cohort from the Taiwanese National Health Insurance data comprising 553918 participants with traumatic brain injury and optic neuropathy-free in the case group and 1107836 individuals without traumatic brain injury in the control group from 1st January 2000...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155224/medical-encounter-mental-health-diagnoses-non-fatal-injury-and-polypharmacy-indicators-of-risk-for-accident-death-in-the-us-army-enlisted-soldiers-2004-2009
#13
Lisa Lewandowski-Romps, Heather M Schroeder, Patricia A Berglund, Lisa J Colpe, Kenneth Cox, Keith Hauret, Jeffrey D Hay, Bruce Jones, Roderick J A Little, Colter Mitchell, Michael Schoenbaum, Paul Schulz, Murray B Stein, Robert J Ursano, Steven G Heeringa
Accidents are a leading cause of deaths in U.S. active duty personnel. Understanding accident deaths during wartime could facilitate future operational planning and inform risk prevention efforts. This study expands prior research, identifying health risk factors associated with U.S. Army accident deaths during the Afghanistan and Iraq war. Military records for 2004-2009 enlisted, active duty, Regular Army soldiers were analyzed using logistic regression modeling to identify mental health, injury, and polypharmacy (multiple narcotic and/or psychotropic medications) predictors of accident deaths for current, previously, and never deployed groups...
November 16, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/29155183/insights-into-brain-microstructure-from-in-vivo-dw-mrs
#14
Marco Palombo, Noam Shemesh, Itamar Ronen, Julien Valette
Many developmental processes, such as plasticity and aging, or pathological processes such as neurological diseases are characterized by modulations of specific cellular types and their microstructures. Diffusion-weighted Magnetic Resonance Imaging (DW-MRI) is a powerful technique for probing microstructure, yet its information arises from the ubiquitous, non-specific water signal. By contrast, diffusion-weighted Magnetic Resonance Spectroscopy (DW-MRS) allows specific characterizations of tissues such as brain and muscle in vivo by quantifying the diffusion properties of MR-observable metabolites...
November 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/29154858/visuospatial-function-predicts-one-week-motor-skill-retention-in-cognitively-intact-older-adults
#15
Jennapher Lingo VanGilder, Caitlin R Hengge, Kevin Duff, Sydney Y Schaefer
Motor learning declines with aging, such that older adults retain less motor skill after practice compared to younger adults. However, it remains unclear if these motor learning declines are related to normal cognitive changes associated with aging. The purpose of this study was to examine which cognitive domains would best predict the amount of retention on a motor task one week after training in cognitively intact older adults. Twenty-one adults ages 65-84 years old were assessed with Repeatable Battery for the Assessment of Neuropsychological Status, which assesses five cognitive domains (immediate and delayed memory, visuospatial/constructional, language, and attention)...
November 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29153862/tumor-necrosis-factor-alpha-in-sleep-regulation
#16
REVIEW
Matthew D Rockstrom, Liangyu Chen, Ping Taishi, Joseph T Nguyen, Cody M Gibbons, Sigrid C Veasey, James M Krueger
This review details tumor necrosis factor alpha (TNF) biology and its role in sleep, and describes how TNF medications influence sleep/wake activity. Substantial evidence from healthy young animals indicates acute enhancement or inhibition of endogenous brain TNF respectively promotes and inhibits sleep. In contrast, the role of TNF in sleep in most human studies involves pathological conditions associated with chronic elevations of systemic TNF and disrupted sleep. Normalization of TNF levels in such patients improves sleep...
November 16, 2017: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/29153754/effects-of-combined-physical-and-cognitive-exercises-on-cognition-and-mobility-in-patients-with-mild-cognitive-impairment-a%C3%A2-randomized-clinical-trial
#17
Hiroyuki Shimada, Hyuma Makizako, Takehiko Doi, Hyuntae Park, Kota Tsutsumimoto, Joe Verghese, Takao Suzuki
IMPORTANCE: Although participation in physical and cognitive activities is encouraged to reduce the risk of dementia, the preventive efficacy of these activities for patients with mild cognitive impairment is unestablished. OBJECTIVE: To compare the cognitive and mobility effects of a 40-week program of combined cognitive and physical activity with those of a health education program. DESIGN: A randomized, parallel, single-blind controlled trial...
November 16, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/29153316/investment-in-child-and-adolescent-health-and-development-key-messages-from-disease-control-priorities-3rd-edition
#18
REVIEW
Donald A P Bundy, Nilanthi de Silva, Susan Horton, George C Patton, Linda Schultz, Dean T Jamison
The realisation of human potential for development requires age-specific investment throughout the 8000 days of childhood and adolescence. Focus on the first 1000 days is an essential but insufficient investment. Intervention is also required in three later phases: the middle childhood growth and consolidation phase (5-9 years), when infection and malnutrition constrain growth, and mortality is higher than previously recognised; the adolescent growth spurt (10-14 years), when substantial changes place commensurate demands on good diet and health; and the adolescent phase of growth and consolidation (15-19 years), when new responses are needed to support brain maturation, intense social engagement, and emotional control...
November 16, 2017: Lancet
https://www.readbyqxmd.com/read/29152996/birth-defects-associated-with-congenital-zika-virus-infection-in-mexico
#19
Silvina Noemí Contreras-Capetillo, Nina Valadéz-González, Pablo Manrique-Saide, Rafael Eduardo Carcaño-Castillo, Freddy Pacheco-Tugores, Hirian Alonso Moshe Barrera-Pérez, Doris Pinto-Escalante, Manuel Lliteras-Cardín, José Alfredo Hoil-Parra, José Luis Cáceres-Solís, Norma Pavía-Ruz
Part of the work agenda of international health authorities is to define the clinical spectrum of the congenital Zika syndrome (CZS) in different territories. We describe the clinical variability that gave rise to the suspicion of CZS in 3 newborn patients in the south of Mexico with active transmission of Zika. All of them presented Zika RNA by reverse transcription-polymerase chain reaction and positive antibodies for IgM by enzyme-linked immunosorbent assay. None of the mothers tested positive for active viremia, only one mother had Zika-symptoms and titers of Zika-positive IgM...
November 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/29152994/decreased-connectivity-and-increased-bold-complexity-in-the-default-mode-network-in-individuals-with-chronic-fatigue-syndrome
#20
Zack Y Shan, Kevin Finegan, Sandeep Bhuta, Timothy Ireland, Donald R Staines, Sonya M Marshall-Gradisnik, Leighton R Barnden
The chronic fatigue syndrome / myalgic encephalomyelitis (CFS) is a debilitating disease with unknown pathophysiology and no diagnostic test. This study investigated the default mode network (DMN) in order to understand the pathophysiology of CFS and to identify potential biomarkers. Using functional MRI (fMRI) collected from 72 subjects (45 CFS and 27 controls) with a temporal resolution of 0.798s, we evaluated the default mode network using static functional connectivity (FC), dynamic functional connectivity (DFC) and DFC complexity, blood oxygenation level dependent (BOLD) activation maps and complexity of activity...
November 20, 2017: Brain Connectivity
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