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Emily May Lent, Lee C B Crouse, Shannon M Wallace
Subacute and subchronic studies were conducted to assess the toxicity of 2,4-dinitroanisole (DNAN) and to provide information important for protecting the health of military and civilian personnel. In the subchronic study, male and female Sprague-Dawley rats were dosed with DNAN via oral gavage at 0, 1.25, 5, 20, and 80 mg/kg/d. Likely owing to its conversion to 2,4-dinitrophenol, an inhibitor of energy homeostasis, DNAN caused an apparent increase in metabolism, leading to reduced feed efficiency ratios and body mass gains in males...
October 7, 2016: International Journal of Toxicology
Errol R Hoffmann, Alan H S Chan
Much research on stereotype strength relating display and control movements for displays moving in the vertical or horizontal directions has been reported. Here we report effects of display movement angle, where the display moves at angles (relative to the vertical) of between 0 and 180 degrees. The experiment used six different controls, four display locations relative to the operator and three types of indicator. Indicator types were included because of the strong effects of the "scale-side principle" (Brebner and Sandow 1976a) that are variable with display angle...
October 20, 2016: Ergonomics
Salima El Chehadeh, Renaud Touraine, Fabienne Prieur, Willie Reardon, Thierry Bienvenu, Sandrine Chantot-Bastaraud, Martine Doco-Fenzy, Emilie Landais, Christophe Philippe, Nathalie Marle, Patrick Callier, Anne-Laure Mosca-Boidron, Francine Mugneret, Nathalie Le Meur, Alice Goldenberg, Anne-Marie Guerrot, Pascal Chambon, Véronique Satre, Charles Coutton, Pierre-Simon Jouk, Françoise Devillard, Klaus Dieterich, Alexandra Afenjar, Lydie Burglen, Marie-Laure Moutard, Marie-Claude Addor, Sébastien Lebon, Danielle Martinet, Jean-Luc Alessandri, Bérénice Doray, Marguerite Miguet, Didier Devys, Pascale Saugier-Veber, Séverine Drunat, Bernard Aral, Valérie Kremer, Stéphane Rondeau, Anne-Claude Tabet, Julien Thevenon, Christel Thauvin-Robinet, Nathalie Perreton, Vincent Des Portes, Laurence Faivre
Duplication of the Xq28 region, involving MECP2 (dupMECP2), has been primarily described in males with severe developmental delay, spasticity, epilepsy, stereotyped movements and recurrent infections. Carrier mothers are usually asymptomatic with an extremely skewed X chromosome inactivation (XCI) pattern. We report a series of six novel symptomatic females carrying a de novo interstitial dupMECP2, and review the 14 symptomatic females reported to date, with the aim to further delineate their phenotype and give clues for genetic counselling...
October 19, 2016: Clinical Genetics
Kelly E Moore, June P Tangney, Jeffrey B Stuewig
Upon conviction, individuals receive the stigmatizing label "criminal offender." Existing stereotypes about criminal offenders may be integrated into the self-concept, a phenomenon known as self-stigma. In many stigmatized groups, self-stigma is a robust predictor of poor functioning (Livingston & Boyd, 2010; Schomerus et al., 2011). However, little is known about how self-stigma occurs (Corrigan et al., 2006), and there has been limited research with criminal offenders. This study examines a theoretical model of self-stigma in which perceived stigma leads to stereotype agreement, internalized stigma, and then to anticipated stigma...
August 2016: Stigma Health
May Ling D Halim, Diane N Ruble, Catherine S Tamis-LeMonda, Patrick E Shrout, David M Amodio
This study examined factors that predicted children's gender intergroup attitudes at age 5 and the implications of these attitudes for intergroup behavior. Ethnically diverse children from low-income backgrounds (N = 246; Mexican-, Chinese-, Dominican-, and African American) were assessed at ages 4 and 5. On average, children reported positive same-gender and negative other-gender attitudes. Positive same-gender attitudes were associated with knowledge of gender stereotypes. In contrast, positive other-gender attitudes were associated with flexibility in gender cognitions (stereotype flexibility, gender consistency)...
October 19, 2016: Child Development
Simona Gaudino, Matia Martucci, Rosellina Russo, Emiliano Visconti, Emma Gangemi, Francesco D'Argento, Tommaso Verdolotti, Libero Lauriola, Cesare Colosimo
BACKGROUND: Pilocytic astrocytoma (PA) is the most common pediatric brain glioma and is considered the prototype of benign circumscribed astrocytoma. Despite its low malignancy, the CT and MRI features of brain PA may resemble those of much more aggressive brain tumors. Misdiagnosis of PA is particularly easy when it demonstrates MR morphological and non-morphological findings that are inconsistent with its non-aggressive nature and that overlap with the features of more aggressive brain tumors...
October 18, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Nancy Bagatell, Dara Chan, Kimberly Karrat Rauch, Deborah Thorpe
BACKGROUND: The transition to adulthood, the gradual change in roles and responsibilities, is identified as a challenging time for adolescents and young adults with physical disabilities, including those with cerebral palsy. Health care, education, employment, independent living, and community engagement have been identified as areas of concern. However, relatively little research has been done to understand the experiences, perceptions, and needs of individuals with cerebral palsy as they transition toward adulthood...
October 3, 2016: Disability and Health Journal
Suguru Kimoto, Yasuhiko Kawai, Atsuko Gunji, Hisatomo Kondo, Taro Nomura, Tomohiko Murakami, Akito Tsuboi, Guang Hong, Shunsuke Minakuchi, Yusuke Sato, Gaku Ohwada, Tetsuya Suzuki, Katsuhiko Kimoto, Noriyuki Hoshi, Makiko Saita, Yoshikazu Yoneyama, Yohei Sato, Masakazu Morokuma, Joji Okazaki, Takeshi Maeda, Kenichiro Nakai, Tetsuo Ichikawa, Kan Nagao, Keiko Fujimoto, Hiroshi Murata, Tadafumi Kurogi, Kazuhiro Yoshida, Masahiro Nishimura, Yasuhiro Nishi, Mamoru Murakami, Toshio Hosoi, Taizo Hamada
BACKGROUND: Denture adhesives, characterized as medical products in 1935 by the American Dental Association, have been considered useful adjuncts for improving denture retention and stability. However, many dentists in Japan are hesitant to acknowledge denture adhesives in daily practice because of the stereotype that dentures should be inherently stable, without the aid of adhesives. The aim of this study is to verify the efficacy of denture adhesives to establish guidelines for Japanese users...
October 18, 2016: Trials
Leslie Swartz, Jason Bantjes, Bradley Knight, Greg Wilmot, Wayne Derman
PURPOSE: To describe how athletes with disabilities talk about their experiences of participating in competitive disability sport in South Africa. METHOD: In-depth semi-structured interviews were conducted with 20 athletes with disabilities. Data were analysed via thematic content analysis using an inductive data driven process. RESULTS: Participants described their involvement in competitive sport as a positive experience; they described it as a catalyst for the recasting of identities and reframing an understanding of physical impairment, a context for empowerment and resistance of disablist attitudes, and an arena in which a sense of inclusion and belonging is experienced...
October 19, 2016: Disability and Rehabilitation
Gang Li, Hong-Bing Tao, Jia-Zhi Liao, Jin-Hui Tang, Fang Peng, Qin Shu, Wen-Gang Li, Shun-Gui Tu, Zhuo Chen
Patient safety education is conducive to medical students' cognition on patient safety and to improvement of medical quality and safety. Developing patient safety education for medical students is more and more widely recognized by World Health Organization and countries all over the world. However, in China, patient safety courses aiming at medical students are relatively few, and there are few reports about the effect of patient safety courses. This paper explored the influence of patient safety curriculum on medical students' attitude to and knowledge of patient safety...
October 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
Michelle I Jongenelis, Simone Pettigrew, Susan M Byrne, Nicole Biagioni
Evidence suggests that the sexualization of girls has increased and become more explicit in recent years. However, most of the research conducted to date has focused on sexualization in adults. To address this research gap, this study explored how young Australian girls respond to and describe sexualized and non-sexualized depictions of their peers. Results from 42 girls aged 6-11 years revealed that sexualization was a perceptually salient attribute, with participants readily classifying sexualized girls as a subgroup...
October 14, 2016: Body Image
Olaf von dem Knesebeck, Christopher Kofahl, Anna Christin Makowski
BACKGROUND: Ethnic minorities and people with a low socio-economic status (SES) are often mentioned groups potentially affected by double stigma when faced with the burden of mental illness. Against this background we examine differences in public attitudes towards a) migrant vs. non-migrant persons with depression and b) low vs. high SES persons with depression. METHOD: Analyses are based on data of a representative cross-sectional telephone survey among the adult population in Germany (N=2013)...
October 11, 2016: Journal of Affective Disorders
Simon P Fisher, Nanyi Cui, Laura E McKillop, Jessica Gemignani, David M Bannerman, Peter L Oliver, Stuart N Peirson, Vladyslav V Vyazovskiy
Prolonged wakefulness is thought to gradually increase 'sleep need' and influence subsequent sleep duration and intensity, but the role of specific waking behaviours remains unclear. Here we report the effect of voluntary wheel running during wakefulness on neuronal activity in the motor and somatosensory cortex in mice. We find that stereotypic wheel running is associated with a substantial reduction in firing rates among a large subpopulation of cortical neurons, especially at high speeds. Wheel running also has longer-term effects on spiking activity across periods of wakefulness...
October 17, 2016: Nature Communications
Suman Pradhan, Christine Pellino, Kayleigh MacMaster, Dennis Coyle, Alison A Weiss
Seizures and neurologic involvement have been reported in patients infected with Shiga toxin (Stx) producing E. coli, and hemolytic uremic syndrome (HUS) with neurologic involvement is associated with more severe outcome. We investigated the extent of renal and neurologic damage in mice following injection of the highly potent form of Stx, Stx2a, and less potent Stx1. As observed in previous studies, Stx2a brought about moderate to acute tubular necrosis of proximal and distal tubules in the kidneys. Brain sections stained with hematoxylin and eosin (H&E) appeared normal, although some red blood cell congestion was observed...
2016: Frontiers in Cellular and Infection Microbiology
Julian Lange, Shintaro Yamada, Sam E Tischfield, Jing Pan, Seoyoung Kim, Xuan Zhu, Nicholas D Socci, Maria Jasin, Scott Keeney
Heritability and genome stability are shaped by meiotic recombination, which is initiated via hundreds of DNA double-strand breaks (DSBs). The distribution of DSBs throughout the genome is not random, but mechanisms molding this landscape remain poorly understood. Here, we exploit genome-wide maps of mouse DSBs at unprecedented nucleotide resolution to uncover previously invisible spatial features of recombination. At fine scale, we reveal a stereotyped hotspot structure-DSBs occur within narrow zones between methylated nucleosomes-and identify relationships between SPO11, chromatin, and the histone methyltransferase PRDM9...
October 20, 2016: Cell
John J M Dwyer, Andrea Starr, Christine Mills, Jess Haines
PURPOSE: This qualitative study, guided by a phenomenological approach, explored senior-level undergraduate, nutrition students' perceptions of how obesity and weight bias were addressed in the undergraduate curricula and how the curricula influenced their attitudes toward individuals with obesity. METHODS: Twenty senior-level undergraduate, nutrition students from the University of Guelph participated in interviews. Interviews were audio-recorded and transcribed verbatim...
July 19, 2016: Canadian Journal of Dietetic Practice and Research
David C Cappadocia, Simona Monaco, Ying Chen, Gunnar Blohm, J Douglas Crawford
The cortical mechanisms for reach have been studied extensively, but directionally selective mechanisms for visuospatial target memory, movement planning, and movement execution have not been clearly differentiated in the human. We used an event-related fMRI design with a visuospatial memory delay, followed by a pro-/anti-reach instruction, a planning delay, and finally a "go" instruction for movement. This sequence yielded temporally separable preparatory responses that expanded from modest parieto-frontal activation for visual target memory to broad occipital-parietal-frontal activation during planning and execution...
October 15, 2016: Cerebral Cortex
Emily Moulton, Kathryn Bradbury, Marianne Barton, Deborah Fein
The Childhood Autism Rating Scale (CARS), (Schopler et al. in J Autism Dev Disord 10(1):91-103, 1980) is a 15-item observation-based rating scale that yields a total score reflective of autism symptom severity. This study investigated the factor structure of the CARS in a sample of 2-year-old children with DSM-IV-TR (American Psychiatric Association in Diagnostic and statistical manual of mental disorders, 4th edn. American Psychiatric Publishing, Washington, 2000) diagnoses of AD or PDD-NOS. Following a preliminary internal cross-validation, principal axis factor analysis was completed (N = 282)...
October 14, 2016: Journal of Autism and Developmental Disorders
Megan E Harrison, Chantalle Clarkin, Kristina Rohde, Kerry Worth, Nathalie Fleming
STUDY OBJECTIVE: To share pregnant and parenting youth's experiences with health care in order to inform recommendations for promoting youth-friendly medical encounters. DESIGN: This exploratory study used a qualitative descriptive approach. SETTING: Three urban centers that service pregnant youth and young parents in a large Canadian city. PARTICIPANTS: Convenience sample of 26 participants (mean age of 18.7 years) was recruited across sites...
October 11, 2016: Journal of Pediatric and Adolescent Gynecology
Elisa Rota, Gianfranco Tanteri, Gilberto Montori, Filippo Giachi, Giovanni Delfino, David M Sever
Several anuran species of the genus Phyllomedusa are known to possess specialized cutaneous glands producing lipids and exhibit a peculiar wiping behavior. This behavior is a stereotyped repertory of fore and hind limb movements distributing hydrophobic molecules onto the body surface and reducing evaporative water loss. No reports are presently available on the occurrence of lipid glands in other phyllomedusine genera, and data on the structure of the secretory units specialized for the production of cutaneous lipids are still unclear...
October 14, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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