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https://www.readbyqxmd.com/read/28525979/the-association-between-lunar-phase-and-intracranial-aneurysm-rupture-myth-or-reality-own-data-and-systematic-review
#1
Adomas Bunevicius, Agne Gendvilaite, Vytenis Pranas Deltuva, Arimantas Tamasauskas
BACKGROUND: It is a common belief in medical community that lunar phases have an impact on human health. A growing body of evidence indicates that lunar phases can predict the risk to develop acute neurological and vascular disorders. The goal of present report was to present our institution data and to perform systematic review of studies examining the association of intracranial aneurysm rupture with moon phases. METHODS: We identified all patients admitted to our department for ruptured intracranial aneurysms in a period between November, 2011 and December, 2014...
May 19, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28510601/reproductive-biology-of-the-deep-brooding-coral-seriatopora-hystrix-implications-for-shallow-reef-recovery
#2
Rian Prasetia, Frederic Sinniger, Kaito Hashizume, Saki Harii
Mesophotic coral ecosystems (MCEs, between 30 and 150 m depth) are hypothesized to contribute to the recovery of degraded shallow reefs through sexually produced larvae (referred to as Deep Reef Refuge Hypothesis). In Okinawa, Japan, the brooder coral Seriatopora hystrix was reported to be locally extinct in a shallow reef while it was found abundant at a MCE nearby. In this context, S. hystrix represents a key model to test the Deep Reef Refuge Hypothesis and to understand the potential contribution of mesophotic corals to shallow coral reef recovery...
2017: PloS One
https://www.readbyqxmd.com/read/28503167/the-impact-of-space-flight-on-survival-and-interaction-of-cupriavidus-metallidurans-ch34-with-basalt-a-volcanic-moon-analog-rock
#3
Bo Byloos, Ilse Coninx, Olivier Van Hoey, Charles Cockell, Natasha Nicholson, Vyacheslav Ilyin, Rob Van Houdt, Nico Boon, Natalie Leys
Microbe-mineral interactions have become of interest for space exploration as microorganisms could be used to biomine from extra-terrestrial material and extract elements useful as micronutrients in life support systems. This research aimed to identify the impact of space flight on the long-term survival of Cupriavidus metallidurans CH34 in mineral water and the interaction with basalt, a lunar-type rock in preparation for the ESA spaceflight experiment, BIOROCK. Therefore, C. metallidurans CH34 cells were suspended in mineral water supplemented with or without crushed basalt and send for 3 months on board the Russian FOTON-M4 capsule...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28499845/exploring-resistance-pathways-for-first-generation-ns3-4a-protease-inhibitors-boceprevir-and-telaprevir-using-bayesian-network-learning
#4
Lize Cuypers, Pieter Libin, Yoeri Schrooten, Kristof Theys, Velia Chiara Di Maio, Valeria Cento, Maja M Lunar, Frederik Nevens, Mario Poljak, Francesca Ceccherini-Silberstein, Ann Nowé, Kristel Van Laethem, Anne-Mieke Vandamme
Resistance-associated variants (RAVs) have been shown to influence treatment response to direct-acting antivirals (DAAs) and first generation NS3/4A protease inhibitors (PIs) in particular. Interpretation of hepatitis C virus (HCV) genotypic drug resistance remains a challenge, especially in patients who previously failed DAA therapy and need to be retreated with a second DAA based regimen. Bayesian network (BN) learning on HCV sequence data from patients treated with DAAs could provide insight in resistance pathways against PIs for HCV subtypes 1a and 1b, in a similar way as applied before for HIV...
May 9, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28493988/prediction-of-whole-body-fat-percentage-and-visceral-adipose-tissue-mass-from-five-anthropometric-variables
#5
Michelle G Swainson, Alan M Batterham, Costas Tsakirides, Zoe H Rutherford, Karen Hind
BACKGROUND: The conventional measurement of obesity utilises the body mass index (BMI) criterion. Although there are benefits to this method, there is concern that not all individuals at risk of obesity-associated medical conditions are being identified. Whole-body fat percentage (%FM), and specifically visceral adipose tissue (VAT) mass, are correlated with and potentially implicated in disease trajectories, but are not fully accounted for through BMI evaluation. The aims of this study were (a) to compare five anthropometric predictors of %FM and VAT mass, and (b) to explore new cut-points for the best of these predictors to improve the characterisation of obesity...
2017: PloS One
https://www.readbyqxmd.com/read/28483869/no-phenotypic-plasticity-in-nest-site-selection-in-response-to-extreme-flooding-events
#6
Liam D Bailey, Bruno J Ens, Christiaan Both, Dik Heg, Kees Oosterbeek, Martijn van de Pol
Phenotypic plasticity is a crucial mechanism for responding to changes in climatic means, yet we know little about its role in responding to extreme climatic events (ECEs). ECEs may lack the reliable cues necessary for phenotypic plasticity to evolve; however, this has not been empirically tested. We investigated whether behavioural plasticity in nest-site selection allows a long-lived shorebird (Haematopus ostralegus) to respond to flooding. We collected longitudinal nest elevation data on individuals over two decades, during which time flooding events have become increasingly frequent...
June 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28470374/cataclysm-no-more-new-views-on-the-timing-and-delivery-of-lunar-impactors
#7
Nicolle E B Zellner
If properly interpreted, the impact record of the Moon, Earth's nearest neighbour, can be used to gain insights into how the Earth has been influenced by impacting events since its formation ~4.5 billion years (Ga) ago. However, the nature and timing of the lunar impactors - and indeed the lunar impact record itself - are not well understood. Of particular interest are the ages of lunar impact basins and what they tell us about the proposed "lunar cataclysm" and/or the late heavy bombardment (LHB), and how this impact episode may have affected early life on Earth or other planets...
May 3, 2017: Origins of Life and Evolution of the Biosphere
https://www.readbyqxmd.com/read/28469170/the-diet-of-a-nocturnal-pelagic-predator-the-bulwer-s-petrel-across-the-lunar-cycle
#8
S Waap, W O C Symondson, J P Granadeiro, H Alonso, C Serra-Gonçalves, M P Dias, P Catry
The lunar cycle is believed to strongly influence the vertical distribution of many oceanic taxa, with implications for the foraging behaviour of nocturnal marine predators. Most studies to date testing lunar effects on foraging have focused on predator activity at-sea, with some birds and marine mammals demonstrating contrasting behavioural patterns, depending on the lunar-phase. However, to date no study has focused on how the lunar cycle might actually affect predator-prey interactions in the upper layers of the ocean...
May 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28467676/impacts-of-temperature-and-lunar-day-on-gene-expression-profiles-during-a-monthly-reproductive-cycle-in-the-brooding-coral-pocillopora-damicornis
#9
Camerron M Crowder, Eli Meyer, Tung-Yung Fan, Virginia M Weis
Reproductive timing in brooding corals has been correlated to temperature and lunar irradiance, but the mechanisms by which corals transduce these environmental variables into molecular signals is unknown. To gain insight into these processes, global gene expression profiles in the coral Pocillopora damicornis were examined (via RNA-Seq) across lunar phases and between temperature treatments, during a monthly planulation cycle. The interaction of temperature and lunar day together had the largest influence on gene expression...
May 3, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28462788/effect-of-hand-positioning-on-dxa-total-and-regional-bone-and-body-composition-parameters-precision-error-and-least-significant-change
#10
Shane Thurlow, Brian Oldroyd, Karen Hind
Dual-energy X-ray absorptiometry (DXA) body composition measurements are performed in both clinical and research settings for estimations of total and regional fat mass, lean tissue mass, and bone mineral content. Subject positioning influences precision and positioning instructions vary between manufacturers. The aim of the study was to determine the effect of hand position and scan mode on regional and total body bone and body composition parameters and determine protocol-specific body composition precision errors...
April 25, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28426779/reference-standards-for-lean-mass-measures-using-ge-dual-energy-x-ray-absorptiometry-in-caucasian-adults
#11
Mary T Imboden, Ann M Swartz, Holmes W Finch, Matthew P Harber, Leonard A Kaminsky
OBJECTIVE: To develop reference values by age and sex for LM measures using GE-Healthcare DXA systems. METHODS: A de-identified sample was obtained from Ball State University's Clinical Exercise Physiology Laboratory and University of Wisconsin-Milwaukee's Physical Activity & Health Research Laboratory. DXA scans of 2,076 women and 1,251 men were completed using a GE Lunar Prodigy or iDXA. Percentiles (%ile) were calculated for all variables of interest (LM, LMI, %LM, and ALMI) and a factorial ANOVA was used to assess differences for each variable between 10-year age groups and sex, as well as the interaction between age and sex...
2017: PloS One
https://www.readbyqxmd.com/read/28418218/regulation-of-salt-marsh-mosquito-populations-by-the-18-6-year-lunar-nodal-cycle
#12
Ilia Rochlin, James T Morris
The 18.6-year lunar-nodal cycle drives changes in tidal amplitude globally, affecting coastal habitat formation, species and communities inhabiting rocky shores, and salt marsh vegetation. However, the cycle's influence on salt marsh fauna lacked sufficient long-term data for testing its effect. We circumvented this problem by using salt marsh mosquito records obtained over a period of over four decades in two estuaries in the northeastern USA. Salt marsh mosquito habitat is near the highest tide level where the impact of the nodal cycle on flood frequency is greatest...
April 18, 2017: Ecology
https://www.readbyqxmd.com/read/28418034/light-and-circadian-controlled-genes-respond-to-a-broad-light-spectrum-in-puffer-fish-derived-fugu-eye-cells
#13
Keiko Okano, Shoichi Ozawa, Hayao Sato, Sawa Kodachi, Masaharu Ito, Toshiaki Miyadai, Akihiro Takemura, Toshiyuki Okano
Some cell lines retain intrinsic phototransduction pathways to control the expression of light-regulated genes such as the circadian clock gene. Here we investigated the photosensitivity of a Fugu eye, a cell line established from the eye of Takifugu rubripes, to examine whether such a photosensitive nature is present. Microarray analysis identified 15 genes that showed blue light-dependent change at the transcript level. We investigated temporal profiles of the light-induced genes, as well as Cry and Per, under light-dark, constant light (LL), and constant dark (DD) conditions by quantitative RT-PCR...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28417839/mortality-due-to-cardiovascular-disease-among-apollo-lunar-astronauts
#14
Robert J Reynolds, Steven M Day
INTRODUCTION: Recent research has postulated increased cardiovascular mortality for astronauts who participated in the Apollo lunar missions. The conclusions, however, are based on small numbers of astronauts, are derived from methods with known weaknesses, and are not consistent with prior research. METHODS: Records for NASA astronauts and U.S. Air Force astronauts were analyzed to produce standardized mortality ratios. Lunar astronauts were compared to astronauts who have never flown in space (nonflight astronauts), those who have only flown missions in low Earth orbit (LEO astronauts), and the U...
May 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28416795/neutrophil-stunning-by-metoprolol-reduces-infarct-size
#15
Jaime García-Prieto, Rocío Villena-Gutiérrez, Mónica Gómez, Esther Bernardo, Andrés Pun-García, Inés García-Lunar, Georgiana Crainiciuc, Rodrigo Fernández-Jiménez, Vinatha Sreeramkumar, Rafael Bourio-Martínez, José M García-Ruiz, Alfonso Serrano Del Valle, David Sanz-Rosa, Gonzalo Pizarro, Antonio Fernández-Ortiz, Andrés Hidalgo, Valentín Fuster, Borja Ibanez
The β1-adrenergic-receptor (ADRB1) antagonist metoprolol reduces infarct size in acute myocardial infarction (AMI) patients. The prevailing view has been that metoprolol acts mainly on cardiomyocytes. Here, we demonstrate that metoprolol reduces reperfusion injury by targeting the haematopoietic compartment. Metoprolol inhibits neutrophil migration in an ADRB1-dependent manner. Metoprolol acts during early phases of neutrophil recruitment by impairing structural and functional rearrangements needed for productive engagement of circulating platelets, resulting in erratic intravascular dynamics and blunted inflammation...
April 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28416727/remotely-distinguishing-and-mapping-endogenic-water-on-the-moon
#16
Rachel L Klima, Noah E Petro
Water and/or hydroxyl detected remotely on the lunar surface originates from several sources: (i) comets and other exogenous debris; (ii) solar-wind implantation; (iii) the lunar interior. While each of these sources is interesting in its own right, distinguishing among them is critical for testing hypotheses for the origin and evolution of the Moon and our Solar System. Existing spacecraft observations are not of high enough spectral resolution to uniquely characterize the bonding energies of the hydroxyl molecules that have been detected...
May 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28409386/nocturnal-oviposition-behavior-of-blowflies-diptera-calliphoridae-in-the-southern-hemisphere-south-africa-and-australia-and-its-forensic-implications
#17
Kirstin A Williams, James F Wallman, Bryan D Lessard, Christopher R J Kavazos, D Nkosinathi Mazungula, Martin H Villet
Published research has offered contradictory evidence of the occurrence of nocturnal oviposition by carrion-breeding blowflies, a behavior that can affect the interpretation of forensic estimates of a minimum post mortem interval (minPMI) by up to 12 hours, depending on latitude and season. The majority of published studies are from the northern hemisphere. Field experiments were conducted in South Africa and Australia that extend observations to species of the southern hemisphere. Various vertebrate carrion was exposed at night in summer under different lunar phases and/or artificial lighting, and in woodland and pasture areas...
April 13, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28408672/the-genome-sequence-of-avibacterium-paragallinarum-strain-cl-has-a-large-repertoire-of-insertion-sequence-elements
#18
Guillermo Horta-Valerdi, Maria Patricia Sanchez-Alonso, Victor M Perez-Marquez, Erasmo Negrete-Abascal, Sergio Vaca-Pacheco, Ismael Hernandez-Gonzalez, Zulema Gomez-Lunar, Gabriela Olmedo-Álvarez, Candelario Vázquez-Cruz
The draft genome sequence of Avibacterium paragallinarum strain CL serovar C is reported here. The genome comprises 154 contigs corresponding to 2.4 Mb with 41% G+C content and many insertion sequence (IS) elements, a characteristic not previously reported in A. paragallinarum.
April 13, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28388669/reference-standards-for-body-fat-measures-using-ge-dual-energy-x-ray-absorptiometry-in-caucasian-adults
#19
Mary T Imboden, Whitney A Welch, Ann M Swartz, Alexander H K Montoye, Holmes W Finch, Matthew P Harber, Leonard A Kaminsky
BACKGROUND: Dual energy x-ray absorptiometry (DXA) is an established technique for the measurement of body composition. Reference values for these variables, particularly those related to fat mass, are necessary for interpretation and accurate classification of those at risk for obesity-related health complications and in need of lifestyle modifications (diet, physical activity, etc.). Currently, there are no reference values available for GE-Healthcare DXA systems and it is known that whole-body and regional fat mass measures differ by DXA manufacturer...
2017: PloS One
https://www.readbyqxmd.com/read/28374651/relationship-between-lunar-cycle-and-haemorrhagic-complication-rate-in-surgery
#20
Edoardo Raposio, Giorgia Caruana, Pierluigi Santi, Ferdinando Cafiero
BACKGROUND: The aim of this study was to evaluate a possible relationship between lunar cycles and haemorrhagic complication rate in surgery. MATERIALS AND METHODS: The possible relationship between moon phases and surgical outcome was tested by evaluating the haemorrhagic complication rate for 18,760 patients who underwent surgery between January 2001 and December 2008 at the National Institute for Cancer Research in Genoa. A total of 103 lunar phases were considered using Chi-square (χ(2)) test analysis, and patients were allocated a surgery date...
April 4, 2017: Acta Chirurgica Belgica
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