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https://www.readbyqxmd.com/read/29026980/evolution-of-the-androgen-induced-male-phenotype
#1
REVIEW
Matthew J Fuxjager, Meredith C Miles, Barney A Schlinger
The masculine reproductive phenotype varies significantly across vertebrates. As a result, biologists have long recognized that many of the mechanisms that support these phenotypes-particularly the androgenic system-is evolutionarily labile, and thus susceptible to the effects of selection for different traits. However, exactly how androgenic signaling systems vary in a way which results in dramatically different functional outputs, remain largely unclear. We explore this topic here by outlining four key-but non-mutually exclusive-hypotheses that propose how the mechanisms of androgenic signaling might change over time to potentiate the emergence of phenotypical variation in masculine behavior and physiology...
October 12, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28976865/-acrobatic-lice
#2
Adan Fuentes-Suárez, Tita N González-Márquez
A 65-year-old man presented to the dermatology clinic with a 6-week history of severe itching in the inguinal area. Examination did not reveal any cutaneous lesions, and the symptoms were subsequently investigated by means of dermoscopy. Dermoscopy revealed a nit firmly attached to the pubic hair,..
October 5, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28938418/androgens-support-male-acrobatic-courtship-behavior-by-enhancing-muscle-speed-and-easing-the-severity-of-its-trade-off-with-force
#3
Matthew J Fuxjager, Meredith C Miles, Franz Goller, John Petersen, Julia Yancey
Steroid hormone action in the brain regulates many animals' elaborate social displays used for courtship and competition, but it is increasingly recognized that the periphery may also be a site for potent steroidal modulation of complex behavior. However, the mechanisms of such "bottom up" regulation of behavioral outflow are largely unclear. To study this problem, we examine how androgenic sex hormones act through the skeletal muscular system to mediate elaborate courtship acrobatics in a tropical bird called the golden-collared manakin...
August 29, 2017: Endocrinology
https://www.readbyqxmd.com/read/28935582/3%C3%AE-hsd-expression-in-the-cns-of-a-manakin-and-finch
#4
Joy Eaton, Devaleena S Pradhan, Julia Barske, Leonida Fusani, Virginie Canoine, Barney A Schlinger
The prohormone, dehydroepiandrosterone (DHEA) circulates in vertebrate blood with the potential for actions on target tissues including the central nervous system (CNS). Many actions of DHEA require its conversion into more active products, some of which are catalyzed by the enzyme 3β-hydroxysteroid-dehydrogenase/isomerase (3β-HSD). Studies of birds show both expression and activity of 3β-HSD in brain and its importance in regulating social behavior. In oscine songbirds, 3β-HSD is expressed at reasonably high levels in brain, possibly linked to their complex neural circuitry controlling song...
September 18, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28832382/flip-or-flop-post-traumatic-charcot-arthropathy-of-the-right-hip-from-acrobatics
#5
Christopher D Jackson, Kiran Joglekar, Ankur Seth, Christopher Sands
No abstract text is available yet for this article.
September 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28713469/anthropometric-profile-in-different-event-categories-of-acrobatic-gymnastics
#6
Yaiza Taboada-Iglesias, Mercedes Vernetta Santana, Águeda Gutiérrez-Sánchez
There is a specific anthropometric profile for each sport, which may be differentiated even in relation to the position, role or event category within each sport discipline. However, there are few studies on acrobatic gymnastics, and the goal of this work was to determine the anthropometric profile depending on the event category, as well as factors that predisposed to performance in these categories. The sample consisted of 150 gymnasts from Spain, divided into 8 groups according to the event category and the role played...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28669656/motor-skills-training-enhances-%C3%AE-amino-3-hydroxy-5-methyl-4-isoxazolepropionic-acid-receptor-subunit-mrna-expression-in-the-ipsilateral-sensorimotor-cortex-and-striatum-of-rats-following-intracerebral-hemorrhage
#7
Keigo Tamakoshi, Kazuto Ishida, Kentaro Kawanaka, Yasuyuki Takamatsu, Hiroyuki Tamaki
BACKGROUND: We investigated the effects of acrobatic training (AT) on expression of α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR) subunits in the sensorimotor cortex and striatum after intracerebral hemorrhage (ICH). METHODS: Male Wistar rats were divided into 4 groups: ICH without AT (ICH), ICH with AT (ICH + AT), sham operation without AT (SHAM), and sham operation with AT (SHAM + AT). ICH was induced by collagenase injection into the left striatum...
June 29, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28645095/tooth-coronal-index-and-pulp-tooth-ratio-in-dental-age-estimation-on-digital-panoramic-radiographs-a-comparative-study
#8
Supreet Jain, Ravleen Nagi, Minal Daga, Ashutosh Shandilya, Aastha Shukla, Abhinav Parakh, Afshan Laheji, Rahul Singh
BACKGROUND: Assessment of an age of an individual whether living or dead through teeth is one of the most reliable and simple method to calculate age than skeletal remains especially when they are in poor conditions. OBJECTIVES: The study was carried out with aim of (i) to evaluate reliability of dental age assessment through two different methods for adults i.e. tooth coronal index and pulp/tooth ratio using digital panoramic radiographs and (ii) to compare these methods for their accuracy in age determination...
May 12, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28620944/independent-housing-and-support-for-people-with-severe-mental-illness-systematic-review
#9
REVIEW
D Richter, H Hoffmann
OBJECTIVE: To systematically explore the outcomes of Independent Housing and Support (IHS) for people with severe mental disorders when compared to other residential settings. METHOD: Systematic review of Randomised and Non-Randomised Controlled Trials of publications that analyse the outcomes of living in independent settings versus institutionalised accommodation. Risk of bias assessment was adapted from the Cochrane Collaboration's ACROBAT-Tool. The analysis was conducted separately for publications with homeless and non-homeless people...
September 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28483613/the-relationship-between-hospital-or-surgeon-volume-and-outcomes-in-lower-limb-vascular-surgery-in-the-united-kingdom-and-europe
#10
Edward A Goka, Patrick Phillips, Edith Poku, Munira Essat, Helen B Woods, Stephen J Walters, Eva C Kaltenthaler, Phil Shackley, Jonathan Michaels
BACKGROUND: Peripheral vascular disease is a major cause of death and disability. The extent to which volume influences outcome of lower limb (LL) vascular surgery remains unclear. This review evaluated the relationship between hospital/surgeon volume and outcome in LL surgery. METHODS: Electronic databases-MEDLINE, Embase, the Cochrane Library Databases, Science Citation Index, and CINAHL-proceedings from conferences, citations, and references of included studies were searched...
May 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28467026/prehospital-notification-for-major-trauma-patients-requiring-emergency-hospital-transport-a-systematic-review
#11
Anneliese Synnot, Adrian Karlsson, Lisa Brichko, Melissa Chee, Mark Fitzgerald, Mahesh C Misra, Teresa Howard, Joseph Mathew, Thomas Rotter, Michelle Fiander, Russell L Gruen, Amit Gupta, Satish Dharap, Madonna Fahey, Michael Stephenson, Gerard O'Reilly, Peter Cameron, Biswadev Mitra
OBJECTIVE: This systematic review aimed to determine the effect of prehospital notification systems for major trauma patients on overall (< 30 days) and early (< 24 hours) mortality, hospital reception and trauma team presence (or equivalent) on arrival, time to critical interventions and length of hospital stay. METHODS: Experimental and observational studies of pre-hospital notification compared with no notification or another type of notification in major trauma patients requiring emergency transport were included...
May 3, 2017: Journal of Evidence-based Medicine
https://www.readbyqxmd.com/read/28422954/identification-of-the-contribution-of-contact-and-aerial-biomechanical-parameters-in-acrobatic-performance
#12
Diane Haering, Aurore Huchez, Franck Barbier, Patrice Holvoët, Mickaël Begon
INTRODUCTION: Teaching acrobatic skills with a minimal amount of repetition is a major challenge for coaches. Biomechanical, statistical or computer simulation tools can help them identify the most determinant factors of performance. Release parameters, change in moment of inertia and segmental momentum transfers were identified in the prediction of acrobatics success. The purpose of the present study was to evaluate the relative contribution of these parameters in performance throughout expertise or optimisation based improvements...
2017: PloS One
https://www.readbyqxmd.com/read/28282479/musculoskeletal-injury-profile-of-circus-artists-a-systematic-review-of-the-literature
#13
REVIEW
H Eg Wolfenden, M Angioi
BACKGROUND: The circus arts involve a high degree of acrobatic, athletic, and aesthetic ability with extreme physical demands placed on performers. An understanding of the injury profile is required to guide prevention. AIM: To provide the first systematic review to enhance understanding of circus-related injuries and to provide a foundation for future preventative intervention. METHODS: MEDLINE, Scopus, and Web of Science were searched from conception to March 2016 using key search terms relating to circus artists and injury...
March 2017: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/28267336/phase-acrobatics-the-influence-of-excitonic-resonance-and-gold-nonresonant-background-on-heterodyne-detected-vibrational-sum-frequency-generation-emission
#14
Christopher C Rich, Kathryn A Lindberg, Amber T Krummel
We show how heterodyne-detected vibrational sum frequency generation (HD-VSFG) spectroscopy can discriminate between the excitonic and monomeric properties of a helical, nanotube molecular aggregate by monitoring the phase of the VSFG emission associated with different polarization configurations. By keeping track of the "phase acrobatics" associated with the added phase of the nonresonant SFG emission of gold as well as that of the double-resonance conditions achieved when the SF frequency is resonant with an electronic exciton transition, we discover that for aggregates of tetra(sulfonatophenyl)porphyrin (TSPP) the PPP-polarized spectra exhibit double-resonance conditions while SSP-polarized spectra exhibit resonance only with the ground-state vibration...
March 13, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28257296/extracorporeal-circulation-during-lung-transplantation-procedures-a-meta-analysis
#15
Dominik J Hoechter, Yu-Ming Shen, Tobias Kammerer, Sabina Günther, Thomas Weig, René Schramm, Christian Hagl, Frank Born, Bruno Meiser, Gerhard Preissler, Hauke Winter, Stephan Czerner, Bernhard Zwissler, Mansmann Ulrich, Vera von Dossow
Extracorporeal circulation is an invaluable tool in lung transplantation. Over the past years, an increasing number of centers changed their standard for intraoperative extracorporeal circulation from cardiopulmonary bypass to extracorporeal membrane oxygenation - with differing results. This meta-analysis reviews the existing evidence.An online literature research on Medline, Embase, and Pubmed has been performed. Two persons independently judged the papers using the ACROBAT-NRSI tool of the Cochrane collaboration...
February 27, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28244026/-injuries-on-vaulting
#16
Christoph Raschka, Laura Feuerbach
OBJECTIVE AND METHOD: Using an online questionnaire, the injuries of 649 acrobats on horseback were recorded (636 female, 13 male, average age 20.8 years, average sports time 12.1 years). 64% of the athletes practised their sport in the upper and 34% in the lower performance classes. RESULTS: 62.7% of the athletes hurt themselves on vaulting at least once during their sports time. Most injuries occured at the lower limbs (57.5%), particularly on foot (31.2%) and knee (22...
March 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28102535/circus-disaster-case-report-response-and-review-of-injuries
#17
Nicholas Asselin, Lawrence Proano, Kenneth Williams, Robert Partridge
Circus acts with human artists performing acrobatic feats are a popular spectator pastime in the United States and in international venues. There is little data in the literature regarding injuries sustained during circus acts. Some injuries are minor, but others can be serious, or even fatal. This article describes a recent circus disaster, a review of the relevant literature, and an analysis of the disaster response.
2016: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28060788/outpatient-total-hip-arthroplasty-total-knee-arthroplasty-and-unicompartmental-knee-arthroplasty-a-systematic-review-of-the-literature
#18
Michael Pollock, Lyndsay Somerville, Andrew Firth, Brent Lanting
BACKGROUND: The demand for total hip arthroplasty (THA), total knee arthroplasty (TKA), and unicompartmental knee arthroplasty (UKA) is growing rapidly because of the proven success of these procedures and an increase in the aging population. However, resources are limited and health-care budgets are finite. Recently, a number of care providers have started performing these procedures on an outpatient basis, with the patients being discharged from the hospital on the day of surgery. The primary objective of this systematic review was to examine the evidence regarding the safety and feasibility of performing THA, TKA, or UKA on an outpatient basis...
December 27, 2016: JBJS Reviews
https://www.readbyqxmd.com/read/28058751/allergen-immunotherapy-for-ige-mediated-food-allergy-a-systematic-review-and-meta-analysis
#19
REVIEW
U Nurmatov, S Dhami, S Arasi, G B Pajno, M Fernandez-Rivas, A Muraro, G Roberts, C Akdis, M Alvaro-Lozano, K Beyer, C Bindslev-Jensen, W Burks, G du Toit, M Ebisawa, P Eigenmann, E Knol, M Makela, K C Nadeau, L O'Mahony, N Papadopoulos, L K Poulsen, C Sackesen, H Sampson, A F Santos, R van Ree, F Timmermans, A Sheikh
BACKGROUND: The European Academy of Allergy and Clinical Immunology (EAACI) is developing Guidelines for Allergen Immunotherapy (AIT) for IgE-mediated Food Allergy. To inform the development of clinical recommendations, we sought to critically assess evidence on the effectiveness, safety and cost-effectiveness of AIT in the management of food allergy. METHODS: We undertook a systematic review and meta-analysis that involved searching nine international electronic databases for randomized controlled trials (RCTs) and nonrandomized studies (NRS)...
August 2017: Allergy
https://www.readbyqxmd.com/read/27941637/investigating-sterol-and-redox-regulation-of-the-ion-channel-activity-of-clic1-using-tethered-bilayer-membranes
#20
Heba Al Khamici, Khondher R Hossain, Bruce A Cornell, Stella M Valenzuela
The Chloride Intracellular Ion Channel (CLIC) family consists of six conserved proteins in humans. These are a group of enigmatic proteins, which adopt both a soluble and membrane bound form. CLIC1 was found to be a metamorphic protein, where under specific environmental triggers it adopts more than one stable reversible soluble structural conformation. CLIC1 was found to spontaneously insert into cell membranes and form chloride ion channels. However, factors that control the structural transition of CLIC1 from being an aqueous soluble protein into a membrane bound protein have yet to be adequately described...
December 8, 2016: Membranes
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