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https://www.readbyqxmd.com/read/28941357/microrna-in-alzheimer-s-disease-revisited-implications-for-major-neuropathological-mechanisms
#1
Reihaneh Dehghani, Farzaneh Rahmani, Nima Rezaei
Pathology of Alzheimer's disease (AD) goes far beyond neurotoxicity resulting from extracellular deposition of amyloid β (Aβ) plaques. Aberrant cleavage of amyloid precursor protein and accumulation of Aβ in the form of the plaque or neurofibrillary tangles are the known primary culprits of AD pathogenesis and target for various regulatory mechanisms. Hyper-phosphorylation of tau, a major component of neurofibrillary tangles, precipitates its aggregation and prevents its clearance. Lipid particles, apolipoproteins and lipoprotein receptors can act in favor or against Aβ and tau accumulation by altering neural membrane characteristics or dynamics of transport across the blood-brain barrier...
September 23, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28938230/outcomes-of-congenital-cytomegalovirus-disease-following-maternal-primary-and-non-primary-infection
#2
Antonietta Giannattasio, Pasquale Di Costanzo, Arianna De Matteis, Paola Milite, Daniela De Martino, Laura Bucci, Maria Rosaria Augurio, Carmela Bravaccio, Teresa Ferrara, Letizia Capasso, Francesco Raimondi
BACKGROUND: Natural history and long term prognosis of congenital cytomegalovirus (CMV) disease according to maternal primary versus non-primary infection are not clearly documented. OBJECTIVE: To investigate clinical, laboratory and neuroimaging features at onset and long term outcome of congenitally CMV-infected patients born to mothers with non-primary infection compared with a group of patients born to mothers with primary infection. STUDY DESIGN: Consecutive neonates born from 2002 to 2015 were considered eligible for the study...
September 14, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28938020/seasonal-variations-in-carbon-nitrogen-and-phosphorus-concentrations-and-c-n-p-stoichiometry-in-different-organs-of-a-larix-principis-rupprechtii-mayr-plantation-in-the-qinling-mountains-china
#3
Hailiang Li, M James C Crabbe, Fuli Xu, Weiling Wang, Lihui Ma, Ruilong Niu, Xing Gao, Xingxing Li, Pei Zhang, Xin Ma, Haikui Chen
Understanding how concentrations of elements and their stoichiometry change with plant growth and age is critical for predicting plant community responses to environmental change. We used long-term field experiments to explore how the leaf, stem and root carbon (C), nitrogen (N) and phosphorous (P) concentrations and their stoichiometry changed with growth and stand age in a L. principis-rupprechtii Mayr. plantation from 2012-2015 in the Qinling Mountains, China. Our results showed that the C, N and P concentrations and stoichiometric ratios in different tissues of larch stands were affected by stand age, organ type and sampling month and displayed multiple correlations with increased stand age in different growing seasons...
2017: PloS One
https://www.readbyqxmd.com/read/28937345/practical-implications-of-the-minimally-conscious-state-diagnosis-in-adults
#4
Karola V Kreitmair, Katherine E Kruse
This article addresses questions surrounding the minimally conscious state (MCS) from the perspective of adult clinical ethics. It describes the background of the MCS diagnosis, analyzes phenomenological ambiguities inherent in the nature of MCS, and raises epistemological concerns surrounding its diagnosis. It argues that in many cases, the burdens of prolonging treatment for people who have sustained certain severe brain injuries (SBI) outweigh the benefits, even if they are in or have the prospect of entering into MCS...
October 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28937016/impact-of-usage-of-personal-music-systems-on-oto-acoustic-emissions-among-medical-students
#5
Prasanth G Narahari, Jayashree Bhat, Arivudai Nambi, Anshul Arora
BACKGROUND: Intact hearing is essential for medical students and physicians for communicating with patients and appreciating internal sounds with a stethoscope. With the increased use of (PMSs), they are exposed to high sound levels and are at a risk of developing hearing loss. The effect of long term personal music system (PMS) usage on auditory sensitivity has been well established. Our study has reported the immediate and short term effect of PMS usage on hearing especially among medical professionals...
September 2017: Noise & Health
https://www.readbyqxmd.com/read/28936565/development-of-macaque-secondary-follicles-exposed-to-neutral-red-prior-to-3-dimensional-culture
#6
Daiane L Bulgarelli, Alison Y Ting, Brenda J Gordon, Ana Carolina Japur de Sá Rosa-E-Silva, Mary B Zelinski
PURPOSE: Neutral red (NR) may assist identification of preantral follicles in pieces of cortical tissue prior to cryopreservation in cancer patients requesting fertility preservation. This study is the first to analyze this effect by follicle growth rate after long-term culture in primates. METHODS: Ovarian cortex was obtained from adult rhesus macaques, was cut into fragments, and was incubated with NR. Secondary follicles were readily visualized following NR staining and then were encapsulated into alginate beads and cultured individually for 4 weeks in αMEM media supplemented with 10 ng/ml FSH at 5% O2...
September 21, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28936270/characterization-of-five-year-observation-data-of-fine-particulate-matter-in-the-metropolitan-area-of-lahore
#7
Fatima Khanum, Muhammad Nawaz Chaudhry, Prashant Kumar
This study aims to assess the long-term trend of fine particles (PM2.5; ≤2.5 μm) at two urban sites of Lahore during 2007-2011. These sites represent two distinct areas: commercial (Townhall) and residential cum industrial (Township). The highest daily mean concentrations of PM2.5 were noted as 389 and 354 μg m(-3) at the Townhall and Township sites, respectively. As expected, the annual seasonal mean of PM2.5 was about 53 and 101% higher during winter compared with the summer and monsoon/post-monsoon seasons, respectively...
2017: Air Quality, Atmosphere, & Health
https://www.readbyqxmd.com/read/28936002/the-long-term-effects-of-self-esteem-on-depression-the-roles-of-alcohol-and-substance-uses-during-young-adulthood
#8
Kiwoong Park, Tse-Chuan Yang
Using the National Longitudinal Surveys of Youth 1979, this study examines the roles of alcohol and substance use as mediators in the mechanism between self-esteem and depression, and investigates whether the mechanism works for both men and women. Results demonstrate that alcohol and substance use during young adulthood mediates the effect of self-esteem on depression among men. Furthermore, self-esteem during young adulthood remains a determinant of high depression in middle adulthood. However, we did not find evidence to support that same mechanism among women...
2017: Sociological Quarterly
https://www.readbyqxmd.com/read/28935806/infants-make-more-attempts-to-achieve-a-goal-when-they-see-adults-persist
#9
Julia A Leonard, Yuna Lee, Laura E Schulz
Persistence, above and beyond IQ, is associated with long-term academic outcomes. To look at the effect of adult models on infants' persistence, we conducted an experiment in which 15-month-olds were assigned to one of three conditions: an Effort condition in which they saw an adult try repeatedly, using various methods, to achieve each of two different goals; a No Effort condition in which the adult achieved the goals effortlessly; or a Baseline condition. Infants were then given a difficult, novel task. Across an initial study and two preregistered experiments (N = 262), infants in the Effort condition made more attempts to achieve the goal than did infants in the other conditions...
September 22, 2017: Science
https://www.readbyqxmd.com/read/28935695/confirmed-efficacy-of-etoposide-and-dexamethasone-in-hlh-treatment-long-term-results-of-the-cooperative-hlh-2004-study
#10
Elisabet Bergsten, AnnaCarin Horne, Maurizio Aricó, Itziar Astigarraga, R Maarten Egeler, Alexandra H Filipovich, Eiichi Ishii, Gritta Janka, Stephan Ladisch, Kai Lehmberg, Kenneth L McClain, Milen Minkov, Scott Montgomery, Vasanta Nanduri, Diego Rosso, Jan-Inge Henter
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening hyperinflammatory syndrome comprising familial/genetic HLH (FHL) and secondary HLH. In the HLH-94 study, with an estimated 5-year probability of survival (pSu) of 54% (95% CI, 48-60%), systemic therapy included etoposide, dexamethasone and, from week nine, cyclosporine A (CSA). HSCT was indicated in patients with familial/genetic, relapsing, or severe and persistent disease. In HLH-2004, CSA was instead administered upfront, aiming to reduce pre-HSCT mortality and morbidity...
September 21, 2017: Blood
https://www.readbyqxmd.com/read/28935585/developmental-exposure-to-low-concentrations-of-two-brominated-flame-retardants-bde-47-and-bde-99-causes-life-long-behavioral-alterations-in-zebrafish
#11
Lilah Glazer, Corinne N Wells, Meghan Drastal, Kathryn-Ann Odamah, Richard E Galat, Mamta Behl, Edward D Levin
BACKGROUND: Polybrominated diphenyl ethers (PBDEs) were widely used as flame retardants until the early 2000s, mainly in home furnishings and electronics. The persistence of PBDEs in the environment leads to continued ubiquitous exposure to low levels, with infants and children experiencing higher exposures than adults. Accumulating evidence suggest that low-level exposures during early life stages can affect brain development and lead to long-term behavioral impairments. We investigated the effects of zebrafish exposure to low doses of the two prominent PBDEs; 2,2',4,4',5,-Pentabromodiphenyl ether (BDE-99) and 2,2',4,4',-Tetrabromodiphenyl ether (BDE-47), during embryo-development on short- and long-term behavioral endpoints...
September 18, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28935547/chronic-subdural-hematoma-a-perspective-on-subdural-membranes-and-dementia
#12
REVIEW
Ronald Sahyouni, Khodayar Goshtasbi, Amin Mahmoodi, Diem Kieu Tran, Jefferson W Chen
Chronic subdural hematoma (cSDH) is a common intracranial pathology, and a leading cause of reversible dementia. cSDH is projected to affect at least 60,000 new individuals in the United States annually by 2030.This can result from mild to moderate head trauma that leads to hemorrhaging in the dura-arachnoid interface. The short and long-term effects of cSDH and the subdural membrane on the pathogenesis of dementia and the newly discovered dural lymphatics is a topic of increasing importance. This manuscript aims to review the complex pathogenesis of the subdural membrane, and the link between head trauma, dementia, and dural lymphatics...
September 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28934802/intravertebral-vacuum-cleft-and-its-varied-locations-within-osteoporotic-vertebral-compression-fractures-effect-on-therapeutic-efficacy
#13
Weibo Yu, Xiaobing Jiang, De Liang, Zhensong Yao, Ting Qiu, Linqiang Ye, Shuncong Zhang, Daxiang Jin
BACKGROUND: Previous studies have reported a high incidence of re-collapse of the augmented vertebrae after percutaneous vertebral augmentation (PVA) for osteoporotic vertebral compression fractures (OVCFs) with intravertebral vacuum cleft (IVC) during long-term follow-up. Previous IVC might be considered an important predisposing factor for re-collapse, but the prior studies could not find a significant correlation. OBJECTIVE: To determine the incidence and distribution characteristics of IVCs and to further assess IVCs in their varied locations...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934743/early-electroencephalography-suppression-and-postnatal-morbidities-correlate-with-cerebral-volume-at-term-equivalent-age-in-very-preterm-infants
#14
Sverre Wikström, Holger Hövel, Ingrid Hansen Pupp, Vineta Fellman, Petra S Hüppi, David Ley, Lena Hellström-Westas
BACKGROUND: Early brain activity is associated with long-term outcome. Establishing a relation also with postnatal brain growth may increase our understanding of early life influences on preterm brain development. OBJECTIVES: The aim of this study was to investigate whether early electroencephalography (EEG) activity in infants born very preterm is associated with brain volumes at term, and whether postnatal morbidity affects this association. METHODS: Very preterm infants (n = 38) with a median gestational age (GA) of 25...
September 22, 2017: Neonatology
https://www.readbyqxmd.com/read/28934719/exposure-to-road-railway-and-aircraft-noise-and-arterial-stiffness-in-the-sapaldia-study-annual-average-noise-levels-and-temporal-noise-characteristics
#15
Maria Foraster, Ikenna C Eze, Emmanuel Schaffner, Danielle Vienneau, Harris Héritier, Simon Endes, Franziska Rudzik, Laurie Thiesse, Reto Pieren, Christian Schindler, Arno Schmidt-Trucksäss, Mark Brink, Christian Cajochen, Jean Marc Wunderli, Martin Röösli, Nicole Probst-Hensch
BACKGROUND: The impact of different transportation noise sources and noise environments on arterial stiffness remains unknown. OBJECTIVES: We evaluated the association between residential outdoor exposure to annual average road, railway, and aircraft noise levels, total noise intermittency (IR), and total number of noise events (NE) and brachial-ankle pulse wave velocity (baPWV) following a cross-sectional design. METHODS: We measured baPWV (meters/second) in 2,775 participants (49-81 y old) at the second follow-up (2010-2011) of the Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults (SAPALDIA)...
September 7, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28934344/care-requirements-for-clients-who-present-after-rape-and-clients-who-presented-after-consensual-sex-as-a-minor-at-a-clinic-in-harare-zimbabwe-from-2011-to-2014
#16
Rebecca E Harrison, Linda Pearson, Michael Vere, Prosper Chonzi, Brian Tafadzwa Hove, Sharon Mabaya, Margaret Chigwamba, Juliana Nhamburo, Juliet Gura, An Vandeborne, Sandra Simons, Daphne Lagrou, Eva De Plecker, Rafael Van den Bergh
STUDY GOALS: To describe the differences between clients presenting after rape and clients who have consented to sex as a minor to an SGBV clinic in Harare, Zimbabwe, and how these differences affect their care requirements. BACKGROUND: Adolescents and adults presenting at the specialized Sexual and Gender Based Violence clinic in Harare are offered a standardised package of free medical and psychosocial care. Zimbabwe has an HIV prevalence of 14%, so prevention of HIV infection using PEP for those that present within 72 hours is a key part of the response...
2017: PloS One
https://www.readbyqxmd.com/read/28934055/do-reading-and-spelling-share-orthographic-representations-evidence-from-developmental-dysgraphia
#17
Christopher Hepner, Michael McCloskey, Brenda Rapp
Both spelling and reading depend on knowledge of the spellings of words. Despite this commonality, observed dissociations between spelling and reading in cases of acquired and developmental deficits suggest some degree of independence between the cognitive mechanisms involved in these skills. In this paper, we examine the relationship between spelling and reading in two children with developmental dysgraphia. For both children, we identified significant deficits in spelling that affected the processing of orthographic long-term memory representations of words...
September 21, 2017: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/28933949/behavior-and-performance-of-dairy-cows-after-transfer-from-tied-to-cubicle-housing
#18
Anne Pavlenko, Lena Lidfors, David R Arney, Tanel Kaart, Andres Aland
Behavior and performance changes when tied dairy cows were moved to a loose housing system in a cubicle system were investigated. Behavioral observations were made for 3 consecutive days in 3 periods after transition. The cows (n = 105) were observed on 18 sampling occasions for 1 month. Recordings were made of body positions and general and social behaviors. Monthly milk records were collected 1 year before and 1 year after transition. Cows walked more during the 1st observation period than during the other periods (p < ...
September 21, 2017: Journal of Applied Animal Welfare Science: JAAWS
https://www.readbyqxmd.com/read/28933889/codevelopment-of-well-being-and-self-esteem-in-romantic-partners-disentangling-the-effects-of-mutual-influence-and-shared-environment
#19
Ulrich Orth, Ruth Yasemin Erol, Thomas Ledermann, Alexander Grob
Common sense suggests that romantic partners tend to be interdependent in their well-being and self-esteem. The authors tested the degree to which codevelopment in romantic partners (i.e., development in similar directions) is due to mutual influence between partners or due to the effects of shared environment, using longitudinal data from 5 samples of couples (N = 4,116 participants). The samples included dating, cohabiting, and married couples, with a broad age range covering young adulthood to old age. The authors used a longitudinal version of the actor-partner interdependence model and examined measures of well-being (life satisfaction, positive affect, negative affect, and depression) and self-esteem...
September 21, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28933876/infant-iron-deficiency-child-affect-and-maternal-unresponsiveness-testing-the-long-term-effects-of-functional-isolation
#20
Patricia East, Betsy Lozoff, Estela Blanco, Erin Delker, Jorge Delva, Pamela Encina, Sheila Gahagan
Children who are iron deficient (ID) or iron-deficient anemic (IDA) have been shown to seek and receive less stimulation from their caregivers, contributing to functional isolation. Over time, the reduced interactions between child and caregiver are thought to interfere with the acquisition of normative social competencies and adversely affect the child's development. The current study examined functional isolation in children who were ID or IDA in infancy in relation to social difficulties in middle childhood and problem behaviors in adolescence...
September 21, 2017: Developmental Psychology
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