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https://www.readbyqxmd.com/read/28938734/hyperspectral-microscopy-can-detect-metabolic-heterogeneity-within-bovine-post-compaction-embryos-incubated-under-two-oxygen-concentrations-7-versus-20
#1
Melanie L Sutton-McDowall, Martin Gosnell, Ayad G Anwer, Melissa White, Malcolm Purdey, Andrew D Abell, Ewa M Goldys, Jeremy G Thompson
STUDY QUESTION: Can we separate embryos cultured under either 7% or 20% oxygen atmospheres by measuring their metabolic heterogeneity? SUMMARY ANSWER: Metabolic heterogeneity and changes in metabolic profiles in morula exposed to two different oxygen concentrations were not detectable using traditional fluorophore and two-channel autofluorescence but were detectable using hyperspectral microscopy. WHAT IS KNOWN ALREADY: Increased genetic and morphological blastomere heterogeneity is associated with compromised developmental competence of embryos and currently forms the basis for embryo scoring within the clinic...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938453/variable-effects-of-dietary-selenium-in-mice-that-spontaneously-develop-a-spectrum-of-thyroid-autoantibodies
#2
Sandra M McLachlan, Holly Aliesky, Bianca Banuelos, Shane S Que Hee, Basil Rapoport
Selenium (Se) is a critical element in thyroid function and variable dietary Se intake influences immunity. Consequently, dietary Se could influence development of thyroid autoimmunity and provide an adjunct to treat autoimmune thyroid dysfunction. NOD.H2h4 mice spontaneously develop autoantibodies to thyroglobulin (Tg) and thyroid peroxidase (TPO). This mouse strain expressing a human TSHR A-subunit transgene in the thyroid also develops pathogenic TSHR autoantibodies. In this report, we investigated whether dietary Se influences these immune processes...
August 25, 2017: Endocrinology
https://www.readbyqxmd.com/read/28938446/vitamin-d-and-testosterone-in-healthy-men-a-randomized-controlled-trial
#3
Elisabeth Lerchbaum, Stefan Pilz, Christian Trummer, Verena Schwetz, Oliver Pachernegg, Annemieke C Heijboer, Barbara Obermayer-Pietsch
Context: Available evidence shows an association of vitamin D with androgen levels in men. However, results from preliminary randomized controlled trials (RCTs) are conflicting. Objective: To evaluate whether vitamin D supplementation increases total testosterone (TT) levels in healthy men. Design: The Graz Vitamin D&TT-RCT is a single-center, double-blind, randomized placebo-controlled trial conducted between December 2012 and January 2017...
August 29, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938281/tranexamic-acid-in-orthopaedic-trauma-surgery-a-meta-analysis
#4
Elizabeth B Gausden, Rameez Qudsi, Myles D Boone, Brian OʼGara, Joseph J Ruzbarsky, Dean G Lorich
AIM: To systematically review and quantify the efficacy of tranexamic acid (TXA) use in reducing the risk of receiving a blood transfusion in patients undergoing orthopaedic trauma surgery, in reducing blood loss, and risk of thromboembolic events. METHODS: A systematic literature search was performed using MEDLINE, Embase, ClinicalTrials.gov, and conference proceeding abstracts from 2014 to 2016. A minimum of 2 reviewers screened each study and graded quality. The primary outcome measure was the risk of receiving a blood transfusion in the TXA group versus control...
October 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28938253/guidelines-for-the-diagnosis-and-management-of-critical-illness-related-corticosteroid-insufficiency-circi-in-critically-ill-patients-part-i-society-of-critical-care-medicine-sccm-and-european-society-of-intensive-care-medicine-esicm-2017
#5
Djillali Annane, Stephen M Pastores, Bram Rochwerg, Wiebke Arlt, Robert A Balk, Albertus Beishuizen, Josef Briegel, Joseph Carcillo, Mirjam Christ-Crain, Mark S Cooper, Paul E Marik, Gianfranco Umberto Meduri, Keith M Olsen, Sophia C Rodgers, James A Russell, Greet Van den Berghe
OBJECTIVE: To update the 2008 consensus statements for the diagnosis and management of critical illness-related corticosteroid insufficiency (CIRCI) in adult and pediatric patients. PARTICIPANTS: A multispecialty task force of 16 international experts in critical care medicine, endocrinology, and guideline methods, all of them members of the Society of Critical Care Medicine and/or the European Society of Intensive Care Medicine. DESIGN/METHODS: The recommendations were based on the summarized evidence from the 2008 document in addition to more recent findings from an updated systematic review of relevant studies from 2008 to 2017 and were formulated using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology...
September 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28938207/zinc-oxide-nanoparticles-in-predicted-environmentally-relevant-concentrations-leading-to-behavioral-impairments-in-male-swiss-mice
#6
Joyce Moreira de Souza, Bruna de Oliveira Mendes, Abraão Tiago Batista Guimarães, Aline Sueli de Lima Rodrigues, Thales Quintão Chagas, Thiago Lopes Rocha, Guilherme Malafaia
Although the potential neurotoxic effects from the exposure to zinc oxide nanoparticles (ZnO NPs) on humans and on experimental models have been reported in previous studies, the effects from the exposure to environmentally relevant concentrations of them remain unclear. Thus, the aim of the present study is to investigate the effects from the exposure to environmentally relevant concentrations of ZnO NPs on the behavior of male Swiss mice. The animals were daily exposed to environmentally relevant concentrations of ZnO NPs (5...
September 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28938104/do-nurses-personal-health-behaviours-impact-on-their-health-promotion-practice-a-systematic-review
#7
REVIEW
Muireann Kelly, Jane Wills, Susie Sykes
BACKGROUND: There is a growing expectation in national and international policy and from professional bodies that nurses be role models for healthy behaviours, the rationale being that there is a relationship between nurses' personal health and the adoption of healthier behaviours by patients. This may be from patients being motivated by, and modelling, the visible healthy lifestyle of the nurse or that nurses are more willing to promote the health of their patients by offering public health or health promotion advice and referring the patient to support services...
August 23, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/28937917/head-impact-exposure-measured-in-a-single-youth-football-team-during-practice-drills
#8
Mireille E Kelley, Joeline M Kane, Mark A Espeland, Logan E Miller, Alexander K Powers, Joel D Stitzel, Jillian E Urban
OBJECTIVE This study evaluated the frequency, magnitude, and location of head impacts in practice drills within a youth football team to determine how head impact exposure varies among different types of drills. METHODS On-field head impact data were collected from athletes participating in a youth football team for a single season. Each athlete wore a helmet instrumented with a Head Impact Telemetry (HIT) System head acceleration measurement device during all preseason, regular season, and playoff practices...
September 12, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28937803/hip-arthroscopy-for-femoroacetabular-impingement-in-a-military-population
#9
Darren D Thomas, Andrew S Bernhardson, Ethan Bernstein, Christopher B Dewing
BACKGROUND: Femoroacetabular impingement (FAI) can lead to hip pain and early joint degeneration. There have been few reports to date on the outcomes of hip arthroscopy for the treatment of FAI in the military population. Purpose/Hypothesis: The purpose of this study was to compare patient demographics with postoperative outcomes after hip arthroscopy for symptomatic FAI and to identify preoperative risk factors for poor outcomes. The hypothesis was that certain preoperative patient characteristics will be predictive of poorer outcomes and that lower outcomes scores will be associated with a higher likelihood of medical separation from the military...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28937786/prevalence-of-femoral-and-acetabular-version-abnormalities-in-patients-with-symptomatic-hip-disease-a-controlled-study-of-538-hips
#10
Till D Lerch, Inga A S Todorski, Simon D Steppacher, Florian Schmaranzer, Stefan F Werlen, Klaus A Siebenrock, Moritz Tannast
BACKGROUND: Variations in femoral and acetabular version are becoming increasingly recognized as contributing factors to the development of hip pain in patients with femoroacetabular impingement (FAI) and hip dysplasia. It is still unknown what the true prevalence of these rotational abnormalities is in this patient population. PURPOSE: To determine (1) the prevalence of femoral version abnormalities in symptomatic hips with FAI and hip dysplasia, (2) the prevalence of combined abnormalities of femoral and acetabular version in these patients, and (3) which specific hip morphologies are associated with abnormalities of femoral version...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28937705/interventions-for-treating-genital-chlamydia-trachomatis-infection-in-pregnancy
#11
REVIEW
Catherine Cluver, Natalia Novikova, David Oa Eriksson, Kevin Bengtsson, Göran K Lingman
BACKGROUND: Genital Chlamydia trachomatis (C.trachomatis) infection may lead to pregnancy complications such as miscarriage, preterm labour, low birthweight, preterm rupture of membranes, increased perinatal mortality, postpartum endometritis, chlamydial conjunctivitis and C.trachomatis pneumonia.This review supersedes a previous review on this topic. OBJECTIVES: To establish the most efficacious and best-tolerated therapy for treatment of genital chlamydial infection in preventing maternal infection and adverse neonatal outcomes...
September 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28937579/pyrethroids-inhibit-k2p-channels-and-activate-sensory-neurons-basis-of-insecticide-induced-paraesthesias
#12
Aida Castellanos, Alba Andres, Laura Bernal, Gerard Callejo, Nuria Comes, Arcadi Gual, Jonathan P Giblin, Carolina Roza, Xavier Gasull
Pyrethroid insecticides are widely used for pest control, in agriculture or in human public health commonly as a topical treatment for scabies and head lice. Exposure to pyrethroids such as permethrin or tetramethrin (TM) causes sensory alterations such as transient pain, burning, stinging sensations and paraesthesias. Despite the well-known effects of pyrethroids on sodium channels, actions on other channels that control sensory neuron excitability are less studied. Given the role of two-pore domain potassium (K2P) channels in modulating sensory neuron excitability and firing, both in physiological and pathological conditions, we examined the effect of pyrethroids on K2P channels mainly expressed in sensory neurons...
September 19, 2017: Pain
https://www.readbyqxmd.com/read/28937412/evidence-based-practice-and-its-associated-factors-among-medical-laboratory-professionals-in-west-amhara-hospitals-northwest-ethiopia
#13
Meseret A Wassie, Atinkut A Zeleke, Berihun A Dachew, Mihiretu Kebede
BACKGROUND: Healthcare and clinical laboratory practices are constantly evolving, leading a need for evidence-based practice (EBP) among all laboratory professionals. However, EBP among laboratory professionals has not yet been studied in Ethiopia. AIMS: This study aimed to determine EBP and associated factors among medical laboratory professionals in West Amhara hospitals, Northwest Ethiopia. METHODS: An analytic and descriptive cross-sectional study was conducted in West Amhara hospitals from February to March 2014...
September 20, 2017: International Journal of Evidence-based Healthcare
https://www.readbyqxmd.com/read/28937057/outcome-of-childhood-lupus-nephritis-in-saudi-children
#14
Sulaiman Mohammed Al-Mayouf, Ali AlAmeer, Areej Alfattani, Abdullah Alsonbul
Our aim in this study is to report the long-term renal outcome of a cohort of Saudi children with systemic lupus erythematosus (SLE). All patients with childhood lupus nephritis (cLN) proved by renal biopsy seen between January 2000 and June 2015 were reviewed. The renal outcome was assessed according to serum creatinine level, protein/creatinine ratio at the last follow-up visit, and/or evidence of renal impairment during follow-up period and end-stage renal disease (ESRD). Additional outcome measures include accrual damage measured by pediatric adaptation of the Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (pSDI), and death related to SLE was determined...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28936531/knudsen-cell-studies-of-the-uptake-of-gaseous-ammonia-and-amines-onto-c3-c7-solid-dicarboxylic-acids
#15
Michelle C Fairhurst, Michael J Ezell, Barbara J Finlayson-Pitts
While atmospheric particles affect health, visibility and climate, the details governing their formation and growth are poorly understood on a molecular level. A simple model system for understanding the interactions between the gas and particle phases is the reaction of bases with acids, both of which are common constituents of atmospheric particles. In the present study, uptake coefficients for the reactions of gas phase ammonia, methylamine, ethylamine, dimethylamine and trimethylamine with a series of solid dicarboxylic acids (diacids) were measured at 296 ± 1 K using a Knudsen cell interfaced to a quadrupole mass spectrometer...
September 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28936398/vitamin-d-is-associated-with-severity-and-mortality-of-non-alcoholic-fatty-liver-disease-a-us-population-based-study
#16
Hyun-Seok Kim, Laura Rotundo, Neil Kothari, Sung-Hoon Kim, Nikolaos Pyrsopoulos
Background and Aims: There has been increasing evidence that vitamin D deficiency may increase the risk of metabolic syndrome. Since metabolic syndrome is a major risk factor for non-alcoholic fatty liver disease (NAFLD), we aimed to investigate the association between vitamin D and the severity and mortality of NAFLD. Methods: Data was obtained from the United States Third National Health and Nutrition Examination Survey conducted in 1988-1994, with follow-up mortality data through 2011. NAFLD was defined by ultrasonographic detection of hepatic steatosis in the absence of other liver diseases and categorized as normal, mild, moderate or severe...
September 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28936218/atoma1-affects-the-oxphos-system-and-plant-growth-in-contrast-to-other-newly-identified-atp-independent-proteases-in-arabidopsis-mitochondria
#17
Iwona Migdal, Renata Skibior-Blaszczyk, Malgorzata Heidorn-Czarna, Marta Kolodziejczak, Arnold Garbiec, Hanna Janska
Compared with yeast, our knowledge on members of the ATP-independent plant mitochondrial proteolytic machinery is rather poor. In the present study, using confocal microscopy and immunoblotting, we proved that homologs of yeast Oma1, Atp23, Imp1, Imp2, and Oct1 proteases are localized in Arabidopsis mitochondria. We characterized these components of the ATP-independent proteolytic system as well as the earlier identified protease, AtICP55, with an emphasis on their significance in plant growth and functionality in the OXPHOS system...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28936211/regulation-of-human-macrophage-m1-m2-polarization-balance-by-hypoxia-and-the-triggering-receptor-expressed-on-myeloid-cells-1
#18
Federica Raggi, Simone Pelassa, Daniele Pierobon, Federica Penco, Marco Gattorno, Francesco Novelli, Alessandra Eva, Luigi Varesio, Mirella Giovarelli, Maria Carla Bosco
Macrophages (Mf) are a heterogeneous population of tissue-resident professional phagocytes and a major component of the leukocyte infiltrate at sites of inflammation, infection, and tumor growth. They can undergo diverse forms of activation in response to environmental factors, polarizing into specialized functional subsets. A common hallmark of the pathologic environment is represented by hypoxia. The impact of hypoxia on human Mf polarization has not been fully established. The objective of this study was to elucidate the effects of a hypoxic environment reflecting that occurring in vivo in diseased tissues on the ability of human Mf to polarize into classically activated (proinflammatory M1) and alternatively activated (anti-inflammatory M2) subsets...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28936166/nucleus-accumbens-mc4-r-stimulation-reduces-food-and-ethanol-intake-in-adult-rats-regardless-of-binge-like-ethanol-exposure-during-adolescence
#19
Francisca Carvajal, José M Lerma-Cabrera, Manuel Alcaraz-Iborra, Montserrat Navarro, Todd E Thiele, Inmaculada Cubero
The melanocortin (MC) system regulates feeding and ethanol consumption. Recent evidence shows that melanocortin 4 receptor (MC4-R) stimulation within the nucleus accumbens (NAc) elicits anorectic responses and reduces ethanol consumption and ethanol palatability in adult rats. Ethanol exposure during adolescence causes long-lasting changes in neural pathways critically involved in neurobehavioral responses to ethanol. In this regard, binge-like ethanol exposure during adolescence reduces basal alpha-melanocyte-stimulating hormone (α-MSH) and alters the levels of agouti-related peptide (AgRP) in hypothalamic and limbic areas...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28935757/resveratrol-inhibits-growth-of-experimental-abdominal-aortic-aneurysm-associated-with-upregulation-of-angiotensin-converting-enzyme-2
#20
Corey S Moran, Erik Biros, Smriti M Krishna, Yutang Wang, Chris Tikellis, Joseph V Moxon, Mark E Cooper, Paul E Norman, Louise M Burrell, Merlin C Thomas, Jonathan Golledge
OBJECTIVE: Recent evidence suggests an important role for angiotensin-converting enzyme 2 (ACE2) in limiting abdominal aortic aneurysm (AAA). This study examined the effect of ACE2 deficiency on AAA development and the efficacy of resveratrol to upregulate ACE2 in experimental AAA. APPROACH AND RESULTS: Ace2 deletion in apolipoprotein-deficient mice (ApoE(-/)(-)Ace2(-/y) ) resulted in increased aortic diameter and spontaneous aneurysm of the suprarenal aorta associated with increased expression of inflammation and proteolytic enzyme markers...
September 21, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
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