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https://www.readbyqxmd.com/read/28527892/outbreak-of-zika-virus-infection-in-singapore-an-epidemiological-entomological-virological-and-clinical-analysis
#1
(no author information available yet)
BACKGROUND: An outbreak of Zika virus infection was detected in Singapore in August, 2016. We report the first comprehensive analysis of a national response to an outbreak of Zika virus infection in Asia. METHODS: In the first phase of the outbreak, patients with suspected Zika virus infection were isolated in two national referral hospitals until their serum tested negative for the virus. Enhanced vector control and community engagement measures were deployed in disease clusters, including stepped-up mosquito larvicide and adulticide use, community participation in source reduction (destruction of mosquito breeding sites), and work with the local media to promote awareness of the outbreak...
May 17, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28526692/understanding-the-interrelationship-between-the-synthesis-of-urea-and-gluconeogenesis-by-formulating-an-overall-balanced-equation
#2
Piero L Ipata, Rossana Pesi
It is well known that a strong metabolic interrelationship exists between ureagenesis and gluconeogenesis. In this paper, we present a detailed, overall equation, describing a possible metabolic link between ureagenesis and gluconeogenesis. We adopted a guided approach in which we strongly suggest that students, when faced with the problem of obtaining the overall equation of a metabolic pathway, carefully account for all atoms and charges of the single reactions, as well as the cellular localizations of the substrates, and the related transport systems...
June 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/28525924/institutional-review-board-training-when-patients-and-community-members-are-engaged-as-researchers
#3
John M Westfall, Linda Zittleman, Maret Felzien, Marc Ringel, Alison Lakin, Don Nease
Background.: Patient engagement efforts often rely on a participatory research approach, which means engaging patients and community members in all aspects of research. As research team members, they require familiarity with the principles of human subject protection, privacy, and institutional review boards (IRB). However, the time required for individual IRB training may be a barrier to engaging community members in participatory research. As more community members participated in research, the State Networks of Colorado Practices and Partners (SNOCAP) was faced with finding a balance between including community members as part of the research team and the significant time commitment and institutional requirements for human subjects research oversight...
June 1, 2017: Family Practice
https://www.readbyqxmd.com/read/28525320/sexual-and-reproductive-health-priorities-of-adolescent-girls-in-lagos-nigeria-findings-from-free-listing-interviews
#4
Juliet Iwelunmor, Sarah Blackstone, Ucheoma Nwaozuru, Donaldson Conserve, Patricia Iwelunmor, John E Ehiri
Background Adolescent girls in Nigeria experience a disproportionately high burden of sexual and reproductive health disparities that affect their well-being. Yet, little is known about adolescent girls' own unique perspectives of the sexual and reproductive health challenges they face, and possible solutions to these challenges. Aims To explore top sexual and reproductive health concerns of female adolescents in Nigeria and their perceptions regarding potential solutions to these issues. Methods Eighty adolescent girls attending two public secondary schools in Lagos, Nigeria completed individual free-listing interviews...
May 17, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/28524625/mrna-decay-an-adaptation-tool-for-the-environmental-fungal-pathogen-cryptococcus-neoformans
#5
REVIEW
Amanda L M Bloom, Jay Leipheimer, John C Panepinto
Fungi are ubiquitous in the environment and humans constantly encounter them in the soil, air, water, and food. The vast majority of these interactions are inconsequential. However, in the context of immunodeficiency precipitated by HIV infection, hematologic malignancy, or transplantation, a small subset of fungi can cause devastating, systemic infection. The most deadly of the opportunistic environmental fungi, Cryptococcus neoformans, is estimated to cause hundreds of thousands of deaths per year, mostly in the context of HIV co-infection...
May 19, 2017: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/28523297/the-ultraviolet-influence-upon-soft-eye-tissues
#6
Sanda Jurja, Mălina Coman, Mihaela Cezarina Hîncu
The climate changes, which occurred during the last decades, put all living species in front of new challenges. Human biology is no exception to it, all tissues have to face new effects, with unpredictable consequences. Many cancers, mainly affecting the skin, but also many of the eye various structures diseases, have ultraviolet radiation as recognized causative agent. The aim of our work is to highlight the changes that can occur after exposure to ultraviolet radiations of soft tissues, including eye structures, by reviewing data from the scientific literature regarding the matter...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28522533/a-dedicated-network-for-social-interaction-processing-in-the-primate-brain
#7
J Sliwa, W A Freiwald
Primate cognition requires interaction processing. Interactions can reveal otherwise hidden properties of intentional agents, such as thoughts and feelings, and of inanimate objects, such as mass and material. Where and how interaction analyses are implemented in the brain is unknown. Using whole-brain functional magnetic resonance imaging in macaque monkeys, we discovered a network centered in the medial and ventrolateral prefrontal cortex that is exclusively engaged in social interaction analysis. Exclusivity of specialization was found for no other function anywhere in the brain...
May 19, 2017: Science
https://www.readbyqxmd.com/read/28520487/chemical-risk-assessment-traditional-vs-public-health-perspectives
#8
Maureen R Gwinn, Daniel A Axelrad, Tina Bahadori, David Bussard, Wayne E Cascio, Kacee Deener, David Dix, Russell S Thomas, Robert J Kavlock, Thomas A Burke
Preventing adverse health effects of environmental chemical exposure is fundamental to protecting individual and public health. When done efficiently and properly, chemical risk assessment enables risk management actions that minimize the incidence and effects of environmentally induced diseases related to chemical exposure. However, traditional chemical risk assessment is faced with multiple challenges with respect to predicting and preventing disease in human populations, and epidemiological studies increasingly report observations of adverse health effects at exposure levels predicted from animal studies to be safe for humans...
May 18, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28518001/propranolol-effects-on-decompression-sickness-in-a-simulated-dissub-rescue-in-swine
#9
Angela S Forbes, David P Regis, Aaron A Hall, Richard T Mahon, William A Cronin
INTRODUCTION: Disabled submarine (DISSUB) survivors may face elevated CO2 levels and inert gas saturation, putting them at risk for CO2 toxicity and decompression sickness (DCS). Propranolol was shown to reduce CO2 production in an experimental DISSUB model in humans but its effects on DCS in a DISSUB rescue scenario are unknown. A 100% oxygen prebreathe (OPB) reduces DCS incidence and severity and is incorporated into some DISSUB rescue protocols. We used a swine model of DISSUB rescue to study the effect of propranolol on DCS incidence and mortality with and without an OPB...
April 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28516927/locally-noisy-autonomous-agents-improve-global-human-coordination-in-network-experiments
#10
Hirokazu Shirado, Nicholas A Christakis
Coordination in groups faces a sub-optimization problem and theory suggests that some randomness may help to achieve global optima. Here we performed experiments involving a networked colour coordination game in which groups of humans interacted with autonomous software agents (known as bots). Subjects (n = 4,000) were embedded in networks (n = 230) of 20 nodes, to which we sometimes added 3 bots. The bots were programmed with varying levels of behavioural randomness and different geodesic locations...
May 17, 2017: Nature
https://www.readbyqxmd.com/read/28515209/for-a-healthier-future-a-virtuous-cycle-for-reducing-exposure-to-persistent-organic-pollutants
#11
REVIEW
Chisato Mori, Emiko Todaka
In the modern society, people are exposed to various pollutants during their lifetime. Worldwide, the status of children's health has changed in recent decades. Some studies have attempted to identify the causes of these changes and whether they relate to pollutant exposure; however, such attempts have faced major challenges because human life is complex, involving many social and environmental factors. Several long-term cohort studies are being conducted to determine the relationship between diseases and social and environmental factors in children...
May 17, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28515170/respiratory-function-and-mechanics-in-pinnipeds-and-cetaceans
#12
REVIEW
Andreas Fahlman, Michael J Moore, Daniel Garcia-Parraga
In this Review, we focus on the functional properties of the respiratory system of pinnipeds and cetaceans, and briefly summarize the underlying anatomy; in doing so, we provide an overview of what is currently known about their respiratory physiology and mechanics. While exposure to high pressure is a common challenge among breath-hold divers, there is a large variation in respiratory anatomy, function and capacity between species - how are these traits adapted to allow the animals to withstand the physiological challenges faced during dives? The ultra-deep diving feats of some marine mammals defy our current understanding of respiratory physiology and lung mechanics...
May 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28514883/bioethical-analysis-to-the-therapeutic-use-of-cannabis-integrative-review
#13
Selene Cordeiro Vasconcelos, Antonia Oliveira Silva, Maria Adelaide Silva Paredes Moreira, Analine de Souza Bandeira Correia, Ana Luisa Antunes Gonçalves Guerra, Adrielle Rodrigues Dos Santos, Iracema da Silva Frazão
INTRODUCTION: Despite being considered as a contravention under some countries' legislation, the therapeutic use of Cannabis sativa has been growing in Brazil, due to the promising results observed in many pathologies. Such a scenario has fostered the need to deepen discussions on the subject and possibly revise legislation governing the substance use and access. OBJECTIVES: Identify the types of stigma related to the therapeutic use of Cannabis and describe the strategies people use to overcome stigma...
January 1, 2017: Nursing Ethics
https://www.readbyqxmd.com/read/28514121/-shift-work-and-its-health-hazards
#14
David Rabinerson, Lizy Markovitch, Rinnat Gabbay-Ben-Ziv
Work in repeated changing shifts, in general, and night-shifts, in particular, is considered a necessity, encompassing many professions, among them physicians and nurses. This type of work has been shown to adversely affect the normal function of the human body circadian rhythm. This negative influence in turn, is considered to increase characteristic types of morbidity such as metabolic syndrome, type 2 diabetes and increased rate of cardiovascular morbidity. Women working in night-shifts in particular, have been found to face increased rates of breast cancer, as well as menstrual disturbances and decreased fertility...
July 2016: Harefuah
https://www.readbyqxmd.com/read/28513223/activation-of-thromboxane-a2-receptors-mediates-endothelial-dysfunction-in-diabetic-mice
#15
Xiaona Xie, Wanchun Sun, Jun Wang, Xiaoou Li, Xiaofeng Liu, Ning Liu
BACKGROUND: Diabetes is one of high-risk factors for cardiovascular disease. Improvement of endothelial dysfunction in diabetes reduces vascular complications. However, the underlying mechanism needs to be uncovered. This study was conducted to elucidate whether and how thromboxane A2 receptor (TPr) activation contributes to endothelial dysfunction in diabetes. METHODS AND RESULTS: Exposure of human umbilical vein endothelial cells (HUVECs) to either TPr agonists, two structurally related thromboxane A2 (TxA2) mimetics, significantly reduced phosphorylations of endothelial nitric oxide synthase (eNOS) at Ser(1177) and Akt at Ser(473)...
May 17, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28513099/syntheses-analytical-and-pharmacological-characterizations-of-the-legal-high-4-1-3-methoxyphenyl-cyclohexyl-morpholine-3-meo-pcmo-and-analogues
#16
Tristan Colestock, Jason Wallach, Matt Mansi, Nadine Filemban, Hamilton Morris, Simon P Elliott, Folker Westphal, Simon D Brandt, Adeboye Adejare
New psychoactive substances (NPS) are commonly referred to as "research chemicals", "designer drugs" or "legal highs." One NPS class is represented by dissociative anesthetics, which include analogues of the arylcyclohexylamine phencyclidine (PCP), ketamine, and diphenidine. A recent addition to the NPS market was 4-[1-(3-methoxyphenyl)cyclohexyl]morpholine (3-MeO-PCMo), a morpholine analogue of 3-MeO-PCP. Although suspected to have dissociative effects in users, information about its pharmacological profile is not available...
May 16, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28512684/therapeutic-applications-of-classic-hallucinogens
#17
Michael P Bogenschutz, Stephen Ross
This chapter reviews what is known about the therapeutic uses of the serotonergic or classic hallucinogens, i.e., psychoactive drugs such as LSD and psilocybin that exert their effects primarily through agonist activity at serotonin 2A (5HT2A) receptors. Following a review of the history of human use and scientific study of these drugs, the data from clinical research are summarized, including extensive work on the use of classic hallucinogens in the treatment of alcoholism and other addictions, studies of the use of LSD and psilocybin to relieve distress concerning death, particularly in patients with advanced or terminal cancer, and more limited data concerning the use of classic hallucinogens to treat mood and anxiety disorders...
May 18, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28512386/oxidative-stress-biomarkers-establishment-of-reference-values-for-isoprostanes-aopp-and-npbi-in-cord-blood
#18
Mariangela Longini, Elisa Belvisi, Fabrizio Proietti, Francesco Bazzini, Giuseppe Buonocore, Serafina Perrone
Oxidative stress (OS) is a common pathogenic factor involved in the onset of several diseases in humans, from immunologic disorders to malignancy, being a serious public health problem. In perinatal period, OS has been associated with adverse outcome of pregnancy and neonatal diseases. Dangerous effects of OS are mediated by increased production of free radicals (FRs) following various mechanisms, such as hypoxia, ischemia reperfusion, hyperoxia, inflammation, mitochondrial dysfunction, Fenton chemistry, and prostaglandin metabolism...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28511452/the-effect-of-entonox-on-labour-pain-relief-among-nulliparous-women-a-randomized-controlled-trial
#19
Parisa Parsa, Nafiseh Saeedzadeh, Ghodratallah Roshanaei, Fatameh Shobeiri, Faryar Hakemzadeh
INTRODUCTION: Labour pain is one of the most severe pain in humans. Fear of labour pain is the most dreadful reason for Caesarean Section (CS). Entonox (a mixture of nitrous oxide+oxygen) is a safe inhalational analgesia during labour pain. AIM: This study investigated the effect of entonox on pain relief and length of labour in nulliparous women. MATERIALS AND METHODS: A clinical trial study was conducted among 120 nulliparous women (60 in intervention and 60 in control group) in 2015 in Atieh Hospital, Hamadan city, Iran...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511046/effects-of-stress-on-women-s-preference-for-male-facial-masculinity-and-their-endocrine-correlates
#20
Beate Ditzen, Simona Palm-Fischbacher, Lara Gossweiler, Livia Stucky, Ulrike Ehlert
Women's preferences for masculinity in men's faces seem to vary across the menstrual cycle and are assumed to be strongest around ovulation. A number of hormones have been proposed to underlie these subtle cyclic shifts. Furthermore, mating preferences are context-dependent, and stress has been found to alter mate choice, both in animals and humans. Currently, the effects of stress on women's preference for masculinity remain unknown. To examine the hormonal basis and the impact of stress on facial masculinity preference, we tested for within-subject changes in 52 healthy young women who underwent the Trier Social Stress Test (TSST) and the placebo-TSST in randomized order in the late follicular and mid-luteal phases of their menstrual cycle...
May 3, 2017: Psychoneuroendocrinology
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