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https://www.readbyqxmd.com/read/29656593/review-article-investigations-and-the-pregnant-woman-in-the-emergency-department-part-1-laboratory-investigations
#1
REVIEW
Adam Morton, Stephanie Teasdale
Accurate assessment of the pregnant patient in the ED depends on knowledge of physiological changes in pregnancy, and how these changes may impact on pathology tests, appearance on point-of-care ultrasound and electrocardiography. In addition the emergency physician needs to be cognisant of disorders that are unique to or more common in pregnancy. Part 1 of this review addresses potential deviations in laboratory investigation reference intervals resulting from physiological alterations in pregnancy, and the important causes of abnormal laboratory results in pregnancy...
April 15, 2018: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/29656561/advances-in-controlling-differentiation-of-adult-stem-cells-for-peripheral-nerve-regeneration
#2
REVIEW
Metin Uz, Suprem R Das, Shaowei Ding, Donald S Sakaguchi, Jonathan C Claussen, Surya K Mallapragada
Adult stems cells, possessing the ability to grow, migrate, proliferate, and transdifferentiate into various specific phenotypes, constitute a great asset for peripheral nerve regeneration. Adult stem cells' ability to undergo transdifferentiation is sensitive to various cell-to-cell interactions and external stimuli involving interactions with physical, mechanical, and chemical cues within their microenvironment. Various studies have employed different techniques for transdifferentiating adult stem cells from distinct sources into specific lineages (e...
April 14, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29656518/genotype-specific-progression-of-hereditary-medullary-thyroid-cancer
#3
Andreas Machens, Kerstin Lorenz, Frank Weber, Henning Dralle
Although already 25 years into the genomic era, age-related progression of hereditary medullary thyroid cancer (MTC), the prevalence of which is estimated at 1 in 80,000 inhabitants, remains to be delineated for most unique RET (REarranged during Transfection) mutations. Included in this study were 567 RET carriers. The age-related progression of MTC across histopathological groups (normal thyroid/C-cell hyperplasia; node-negative MTC; node-positive MTC) was statistically significant for 13 unique RET mutations (p...
April 14, 2018: Human Mutation
https://www.readbyqxmd.com/read/29656491/recurrent-f8-and-f9-gene-variants-result-from-a-founder-effect-in-two-large-french-haemophilia-cohorts
#4
F Lassalle, O Marmontel, C Zawadzki, M Fretigny, P Bouvagnet, C Vinciguerra
INTRODUCTION: Haemophilia A (HA) and haemophilia B (HB) are X-linked recessive diseases, caused by a large number of pathogenic variants in the F8 and F9 genes. With the exception of introns 22 and 1 inversions which are frequent in severe HA cases, about 2000 unique variants in F8 and 1000 in F9 have been described in databases and their recurrence remains limited. AIM AND METHODS: During routine analysis, we identified two recurrent missense variants, the F8 gene c...
April 14, 2018: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/29656489/photocatalytic-hybrid-semiconductor-metal-nanoparticles-from-synergistic-properties-to-emerging-applications
#5
REVIEW
Nir Waiskopf, Yuval Ben-Shahar, Uri Banin
Hybrid semiconductor-metal nanoparticles (HNPs) manifest unique combined and often synergetic properties stemming from the materials combination. These structures exhibit spatial charge separation across the semiconductor-metal junction upon light absorption, enabling their use as photocatalysts. So far, the main impetus of photocatalysis research in HNPs addresses their functionality in solar fuel generation. Recently, it was discovered that HNPs are functional in efficient photocatalytic generation of reactive oxygen species (ROS)...
April 14, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29656390/documenting-the-growth-of-ultrasound-research-in-emergency-medicine-through-a-bibliometric-analysis-of-accepted-academic-conference-abstracts
#6
Michael I Prats, David P Bahner, Ashish R Panchal, Andrew M King, David P Way, Stephen Lin, J Christian Fox, Creagh T Boulger
OBJECTIVES: Ultrasound (US) has become an indispensable skill for emergency physicians. Growth in the use of US in emergency medicine (EM) has been characterized by practice guidelines, education requirements, and the number of EM US practitioners. Our purpose was to further document the growth of EM US by profiling the breadth, depth, and quality of US-related research presented at EM's most prominent annual research conference: the Society for Academic Emergency Medicine Annual Meeting...
April 15, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29656370/role-of-exosomes-in-human-retroviral-mediated-disorders
#7
REVIEW
Monique Anderson, Fatah Kashanchi, Steven Jacobson
Retroviruses comprise an ancient and varied group of viruses with the unique ability to integrate DNA from an RNA transcript into the genome, a subset of which are able to integrate in humans. The timing of these integrations during human history has dictated whether these viruses have remained exogenous and given rise to various human diseases or have become inseparable from the host genome (endogenous retroviruses). Given the ability of retroviruses to integrate into the host and subsequently co-opt host cellular process for viral propagation, retroviruses have been shown to be closely associated with several cellular processes including exosome formation...
April 14, 2018: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/29656367/the-impact-of-coping-patterns-and-chronic-health-conditions-on-health-related-quality-of-life-among-children-and-adolescents
#8
Sabrina Oppenheimer, Orit Krispin, Sigal Levy, Maayan Ozeri, Alan Apter
This study examined the relationship among chronic disease, coping strategy patterns, and health-related quality of life (HRQOL) among children and adolescents. The cohort included 273 Israeli children and adolescents aged 8-18 years diagnosed with asthma, diabetes mellitus, or celiac disease. All completed the Coping with a Disease Questionnaire (CODI) and the DISABKIDS Chronic Generic Measure (DCGM-37). The outcome measures were as follows: association of the use of effective and non-effective coping strategies with type of disease; predictive value of coping patterns for health-related quality of life; a European sample was used for comparison...
April 14, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29656264/prospective-predictors-of-first-onset-depressive-disorders-in-adolescent-females-with-anxiety-disorders
#9
Estee M Hausman, Roman Kotov, Greg Perlman, Greg Hajcak, Ellen M Kessel, Daniel N Klein
BACKGROUND: Anxious youth are at increased risk for later depressive disorders, but not all anxious youth develop depression. Sequential comorbidity models emphasize shared risk factors and anxiety sequelae, but some anxious youth who later develop depression may have risk factors that are relatively specific to depression, in addition to a liability to anxiety. We examined several variables that appear relatively specific to risk for depression-the personality traits of low positive affectivity and high sadness, and an electrophysiological measure of blunted response to reward - in predicting first-onset depressive disorders and depressive symptoms in clinically anxious adolescent girls...
April 5, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29656176/underreporting-of-fatal-poisonings-in-brazil-a-descriptive-study-using-data-from-four-information-systems
#10
Andrea Franco Amoras Magalhães, Eloisa Dutra Caldas
Poisoning is a worldwide problem that involves individuals of all ages and a range of chemicals. In this study, fatal poisoning cases that occurred in the Federal District of Brazil (DF) from 2009 to 2013 were described using information from four systems, and the reasons for underreporting of each system were discussed. Data were obtained from the mortality information system (SIM), the notifiable disease information system (SINAN), the poison information center (CIT), and the forensic medicine institute (IML) of the DF...
April 4, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29656128/agrobacterium-rhizogenes-mediated-transformation-of-a-dioecious-plant-model-silene-latifolia
#11
Vojtech Hudzieczek, Radim Cegan, Tomas Cermak, Nela Bacovska, Zuzana Machalkova, Karel Dolezal, Lucie Plihalova, Daniel Voytas, Roman Hobza, Boris Vyskot
Silene latifolia serves as a model species to study dioecy, the evolution of sex chromosomes, dosage compensation and sex-determination systems in plants. Currently, no protocol for genetic transformation is available for this species, mainly because S. latifolia is considered recalcitrant to in vitro regeneration and infection with Agrobacterium tumefaciens. Using cytokinins and their synthetic derivatives, we markedly improved the efficiency of regeneration. Several agrobacterial strains were tested for their ability to deliver DNA into S...
April 12, 2018: New Biotechnology
https://www.readbyqxmd.com/read/29656121/molecular-mechanism-of-selenoprotein-p-synthesis
#12
REVIEW
Sumangala Shetty, Paul R Copeland
BACKGROUND: Selenoprotein synthesis requires the reinterpretation of a UGA stop codon as one that encodes selenocysteine (Sec), a process that requires a set of dedicated translation factors. Among the mammalian selenoproteins, Selenoprotein P (SELENOP) is unique as it contains a selenocysteine-rich domain that requires multiple Sec incorporation events. SCOPE OF REVIEW: In this review we elaborate on new data and current models that provide insight into how SELENOP is made...
April 12, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29656072/enhanced-wound-healing-of-tissue-engineered-human-corneas-through-altered-phosphorylation-of-the-creb-and-akt-signal-transduction-pathways
#13
Camille Couture, Pascale Desjardins, Karine Zaniolo, Lucie Germain, Sylvain L Guérin
The cornea is a transparent organ, highly specialized and unique that is continually subjected to abrasive forces and occasional mechanical or chemical trauma because of its anatomical localization. Upon injury, the extracellular matrix (ECM) rapidly changes to promote wound healing through integrin-dependent activation of specific signal transduction mediators whose contribution is to favor faster closure of the wound by altering the adhesive and migratory properties of the cells surrounding the damaged area...
April 12, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29656049/reinforcing-value-and-hypothetical-behavioral-economic-demand-for-food-and-their-relation-to-bmi
#14
Leonard H Epstein, Rocco A Paluch, Katelyn A Carr, Jennifer L Temple, Warren K Bickel, James MacKillop
Food is a primary reinforcer, and food reinforcement is related to obesity. The reinforcing value of food can be measured by establishing how hard someone will work to get food on progressive-ratio schedules. An alternative way to measure food reinforcement is a hypothetical purchase task which creates behavioral economic demand curves. This paper studies whether reinforcing value and hypothetical behavioral demand approaches are assessing the same or unique aspects of food reinforcement for low (LED) and high (HED) energy density foods using a combination of analytic approaches in females of varying BMI...
April 3, 2018: Eating Behaviors
https://www.readbyqxmd.com/read/29656021/next-generation-neuro-oncology
#15
REVIEW
Michael Weller
Neuro-oncology has evolved as a growing, but still small, highly specialised and multidisciplinary field at the interface of several diagnostic and therapeutic disciplines. The major challenge in the field of primary tumours is to translate the almost unique progress in deciphering the highly complex molecular genetic nature of many primary brain tumours, notably glioblastoma, into advances that allow for clinical benefit for affected patients. Furthermore, metastases to the central nervous system are an increasingly prevalent complication in many systemic cancers...
April 12, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29656000/primary-central-nervous-system-lymphoma-at-the-cerebellopontine-angle-mimicking-a-trigeminal-schwannoma-a-unique-case-report-and-literature-review
#16
Vijay Seevaratnam, Yingda Li, Sun Loong Keegan Lee, Gemma Olsson
Primary central nervous system lymphoma (PCNSL) is an uncommon extranodal manifestation of non-Hodgkin's lymphoma with those presenting at the cerebellopontine angle (CPA) being rare presentations with limited reported cases in the literature. We report a 60-year old female presenting with PCNSL of the left CPA radiologically mimicking a trigeminal schwannoma with corresponding clinical signs. Imaging showed a left CPA lesion that was biopsied and confirmed as diffuse large B-cell lymphoma. Given its rarity, PCNSL should be considered in the differential diagnosis for all CPA tumours...
April 11, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29655947/co-occurrence-of-medical-conditions-exposing-patterns-through-probabilistic-topic-modeling-of-snomed-codes
#17
Moumita Bhattacharya, Claudine Jurkovitz, Hagit Shatkay
Patients associated with multiple co-occurring health conditions often face aggravated complications and less favorable outcomes. Co-occurring conditions are especially prevalent among individuals suffering from kidney disease, an increasingly widespread condition affecting 13% of the general population in the US. This study aims to identify and characterize patterns of co-occurring medical conditions in patients employing a probabilistic framework. Specifically, we apply topic modeling in a non-traditional way to find associations across SNOMED-CT codes assigned and recorded in the EHRs of >13,000 patients diagnosed with kidney disease...
April 12, 2018: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29655938/delineation-of-early-brain-development-from-fetuses-to-infants-with-diffusion-mri-and-beyond
#18
REVIEW
Minhui Ouyang, Jessica Dubois, Qinlin Yu, Pratik Mukherjee, Hao Huang
Dynamic macrostructural and microstructural changes take place from the mid-fetal stage to 2 years after birth. Delineating brain structural changes during this early developmental period provides new insights into the complicated processes of both typical brain development and the pathological mechanisms underlying various psychiatric and neurological disorders including autism, attention deficit hyperactivity disorder and schizophrenia. Decades of histological studies have identified strong spatial and functional gradients of maturation in human brain gray and white matter...
April 12, 2018: NeuroImage
https://www.readbyqxmd.com/read/29655893/comparative-sequence-and-structural-analysis-of-indian-orf-viruses-based-on-major-envelope-immune-dominant-protein-f1l-an-homologue-of-pox-viral-p35-h3-protein
#19
Revanaiah Yogisharadhya, Veerakyathappa Bhanuprakash, Amit Kumar, Mianak Mondal, Sathish Bhadravati Shivachandra
Orf virus (ORFV), a member of the genus Parapoxvirus in the family Poxviridae, is the cause of orf, a highly contagious zoonotic viral disease that affects mainly sheep and goats. In the present study, the sequence and phylogenetic analysis of Indian ORFV isolates (n = 15) from natural outbreaks in sheep and goats belonging to different geographical regions were analysed on the basis of F1L gene along with homology modelling of F1L protein. Multiple sequence alignments revealed highly conserved C-terminus and heterogeneity of N-terminus region of F1L among all orf viruses studied...
April 12, 2018: Gene
https://www.readbyqxmd.com/read/29655869/a-general-structured-model-of-a-hermaphrodite-population
#20
Amira Kebir, Nina H Fefferman, Slimane Ben Miled
Both empirical and theoretical studies, have dealt with the question how to best optimize reproductive fitness for hermaphrodites, using models such as game theory or complicated energetic costs and benefits of mating displays. However, hermaphrodites exhibit a broad spectrum of sexual behaviors like simultaneous, sequential or lifetime gonochorist that cannot be explained using a unique formalism. A possible explanation of this diversity relies on the way these species maximize their fitness: Does the individual hermaphrodite split its time between strategies maximizing its instantaneous reproductive fitness or its evolutionary fitness? Here, we compare these two points of view and extend a game theoretical formalism to a sex allocation model that underlies all sexual behaviors as a result of a dynamic game whose payoff depends on the costs and benefits of sexual reproduction...
April 12, 2018: Journal of Theoretical Biology
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