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https://www.readbyqxmd.com/read/28808557/timing-and-pattern-of-annual-silver-eel-migration-in-two-european-watersheds-are-determined-by-similar-cues
#1
Odd Terje Sandlund, Ola H Diserud, Russell Poole, Knut Bergesen, Mary Dillane, Gerard Rogan, Caroline Durif, Eva B Thorstad, Leif Asbjørn Vøllestad
Many animals perform long-distance migrations in order to maximize lifetime reproductive success. The European eel migrates several thousand kilometers between their feeding habitats in continental waters (fresh-, brackish, and sea water) and their spawning area in the Sargasso Sea. Eels residing in freshwaters usually initiate their spawning migration as silver eels during autumn, triggered by diverse environmental cues. We analyzed the time series of silver eel downstream migration in Burrishoole, Ireland (1971-2015), and Imsa, Norway (1975-2015), to examine factors regulating the silver eel migration from freshwater to the sea...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28808380/identification-and-analysis-of-jasmonate-pathway-genes-in-coffea-canephora-robusta-coffee-by-in-silico-approach
#2
Kosaraju Bharathi, H L Sreenath
BACKGROUND: Coffea canephora is the commonly cultivated coffee species in the world along with Coffea arabica. Different pests and pathogens affect the production and quality of the coffee. Jasmonic acid (JA) is a plant hormone which plays an important role in plants growth, development, and defense mechanisms, particularly against insect pests. The key enzymes involved in the production of JA are lipoxygenase, allene oxide synthase, allene oxide cyclase, and 12-oxo-phytodienoic reductase...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28803134/age-related-changes-of-physiological-performance-and-survivorship-of-bank-voles-selected-for-high-aerobic-capacity
#3
Agata Marta Rudolf, Maciej Jan Dańko, Edyta Teresa Sadowska, Geoffrey Dheyongera, Paweł Koteja
Variation in lifespans is an intriguing phenomenon, but how metabolic rate influence this variation remains unclear. High aerobic capacity can result in health benefits, but also in increased oxidative damage and accelerated ageing. We tested these contradictory predictions using bank voles (Myodes=Clethrionomys glareolus) from lines selected for high swim-induced aerobic metabolism (A), which had about 50% higher maximum metabolic rate and a higher basal and routine metabolic rates, than those from unselected control lines (C)...
August 9, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28790928/enhanced-right-chamber-remodeling-in-endurance-ultra-trail-athletes-compared-to-marathon-runners-detected-by-standard-and-speckle-tracking-echocardiography
#4
Kristian Ujka, Luca Bastiani, Gennaro D'Angelo, Bruna Catuzzo, Alessandro Tonacci, Simona Mrakic-Sposta, Alessandra Vezzoli, Guido Giardini, Lorenza Pratali
Background: Strenuous and endurance exercise training have been associated with morphological and functional heart remodeling. Two-dimensional speckle-tracking echocardiography (STE) is a novel technique that allows an accurate quantification of global myocardium deformation. Our aim was to evaluate together left and right cardiac remodeling in different long-distance running athletes: marathon runners (42 km) (M) and endurance mountain runners (>300 Km) (UT). Methods: A total of 92 athletes (70 males, 76%) including 47 M [age 45 ± 7 years; training: 18 (9-53) years(*)days/week], 45 UT [age 42 ± 9, training: 30 (15-66) years(*)days/week] underwent conventional echocardiography and STE (Beyond Diogenes 2...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28744226/the-mucosal-immune-function-is-not-compromised-during-a-period-of-high-intensity-interval-training-is-it-time-to-reconsider-an-old-assumption
#5
Dennis-Peter Born, Christoph Zinner, Billy Sperlich
Purpose: The aim of the study was to evaluate the mucosal immune function and circadian variation of salivary cortisol, Immunoglobin-A (sIgA) secretion rate and mood during a period of high-intensity interval training (HIIT) compared to long-slow distance training (LSD). Methods: Recreational male runners (n = 28) completed nine sessions of either HIIT or LSD within 3 weeks. The HIIT involved 4 × 4 min of running at 90-95% of maximum heart rate interspersed with 3 min of active recovery while the LSD comprised of continuous running at 70-75% of maximum heart rate for 60-80 min...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28731978/differences-in-spatiotemporal-parameters-between-trained-runners-and-untrained-participants
#6
Josué Gómez-Molina, Ana Ogueta-Alday, Christopher Stickley, Jesús Cámara, Jon Cabrejas-Ugartondo, Juan García-López
Gómez-Molina, J, Ogueta-Alday, A, Stickley, C, Tobalina, JC, Cabrejas-Ugartondo, J, and García-López, J. Differences in spatiotemporal parameters between trained runners and untrained participants. J Strength Cond Res 31(8): 2169-2175, 2017-The aim of this study was to compare the spatiotemporal parameters of trained runners and untrained participants with the same foot strike pattern (rearfoot) during running at controlled speeds. Twenty-one participants were classified in 2 groups according to their training experience: Trained (n = 10, amateur runners with long distance training experience) and Untrained (n = 11, healthy untrained participants)...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28730917/novice-runners-show-greater-changes-in-kinematics-with-fatigue-compared-with-competitive-runners
#7
Ellen Maas, Jorien De Bie, Riet Vanfleteren, Wouter Hoogkamer, Benedicte Vanwanseele
Fatigue, developed over the course of a run, may cause changes in running kinematics. Training status may influence the effect of fatigue on running kinematics, since well trained, competitive runners are used to running until exhaustion, whereas novice runners are not. This study aimed to determine changes in running kinematics during an exhaustive run in both novice (NOVICE) and competitive (COMP) long-distance runners. About 15 NOVICE and 15 COMP runners performed a treadmill run, until voluntary exhaustion at 3,200 m time trial pace...
July 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28726691/an-exploratory-study-of-the-effects-of-stormwater-pipeline-materials-on-transported-stormwater-quality
#8
Matthias Borris, Heléne Österlund, Jiri Marsalek, Maria Viklander
Implications of three sewer pipe materials (concrete, galvanized corrugated steel, and polyvinyl chloride (PVC)) for stormwater quality were explored in laboratory experiments, in which three types of stormwater, SW1-SW3, were circulated in 0.5 m long sewer pipe sections. SW1 and SW2 represented synthetic rainwater, without and with fine street sediment added (CTSS = 150 mg/L), respectively, and SW3 was actual stormwater with the same sediment addition as SW2. Following 20-min runs, with an equivalent distance of 500 m travelled by water particles, a number of statistically significant changes in the stormwater chemistry were observed: (i) pH of all the simulated stormwaters increased in the concrete pipe (from 7...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28722338/hdr-del-a-tool-based-on-hamming-distance-for-prioritizing-pathogenic-chromosomal-deletions-in-exome-sequencing
#9
Atsuko Imai, Masakazu Kohda, Kaori Kobayashi, Tomoko Hirata, Yasushi Sakata, Kei Murayama, Akira Ohtake, Yasushi Okazaki, Akihiro Nakaya, Jurg Ott
High-density oligonucleotide arrays have been widely used to detect pathogenic chromosomal deletions. In addition to high-density oligonucleotide arrays, programs using whole exome sequencing have become available for estimating copy number variations using depth of coverage. Here we propose a new statistical method, HDR-del, to prioritize pathogenic chromosomal deletions based on Hamming distance in exome sequencing. In vcf (Variant Call Format) files generated from exome sequencing, hemizygous chromosomal deletion regions lack heterozygous variants and lead to apparent long runs of homozygosity (ROH)...
July 19, 2017: Human Mutation
https://www.readbyqxmd.com/read/28708946/sports-participation-functional-outcome-and-complications-after-ankle-arthrodesis-midterm-follow-up
#10
Yvonne R A Kerkhoff, Noël L W Keijsers, Jan Willem K Louwerens
BACKGROUND: Ankle arthrodesis provides satisfactory functional outcome based on basic daily activities, but information regarding more demanding tasks is limited. Also, studies reporting longer term survival and complication rates are sparse and concern small study populations. This study reports functional outcome with more focus on demanding tasks and sports and reports the mid- to long-term union and complication rates in a large study population. METHODS: Between 2005 and 2010, an ankle arthrodesis was performed on 185 ankles...
July 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28707644/going-the-extra-mile-lessons-learned-from-running-coaches-applied-to-medicine
#11
Ryan Graddy, Scott Wright
Master clinicians and successful long-distance runners have a lot in common. Both are dedicated to continuous improvement and are flexible in their approach, allowing for adaptation to meet unplanned challenges. Given these similarities and the important role of coaches in athletics, there is an opportunity for medical educators to learn from excellent running coaching. The authors spent time with three respected running coaches at different levels (high school, college, and postcollegiate online) and identified six principles employed by these coaches that seem to be particularly relevant for promoting skill development in medicine...
January 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/28702049/endurance-exercise-ability-in-the-horse-a-trait-with-complex-polygenic-determinism
#12
Anne Ricard, Céline Robert, Christine Blouin, Fanny Baste, Gwendoline Torquet, Caroline Morgenthaler, Julie Rivière, Nuria Mach, Xavier Mata, Laurent Schibler, Eric Barrey
Endurance horses are able to run at more than 20 km/h for 160 km (in bouts of 30-40 km). This level of performance is based on intense aerobic metabolism, effective body heat dissipation and the ability to endure painful exercise. The known heritabilities of endurance performance and exercise-related physiological traits in Arabian horses suggest that adaptation to extreme endurance exercise is influenced by genetic factors. The objective of the present genome-wide association study (GWAS) was to identify single nucleotide polymorphisms (SNPs) related to endurance racing performance in 597 Arabian horses...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28674598/cortisol-and-alpha-amylase-changes-during-an-ultra-running-event
#13
Whitney P Deneen, Alexis B Jones
Elevated stress hormone concentrations can positively affect an athlete's overall performance during a competition, and in many cases, are necessary to be able to perform exercise. During extreme exercise, the body's ability to utilize energy efficiently can affect an athlete's performance. Elevated hormonal concentrations can have many benefits in regards to an athlete's overall performance during a competition. The purpose of this study was to examine the effects of long distance running, such as seen during an ultra-running event (distances beyond 26...
2017: International Journal of Exercise Science
https://www.readbyqxmd.com/read/28661725/-i-wanna-be-the-very-best-agreeableness-and-perseverance-predict-sustained-playing-to-pok%C3%A3-mon-go-a-longitudinal-study
#14
Fanny Lalot, Oulmann Zerhouni, Mathieu Pinelli
OBJECTIVE: The smartphone game Pokémon Go™ has attracted much scientific attention regarding its potential health-related outcomes. Most studies, however, limited their investigation to short-term outcomes. The aim of the present study is to investigate the role of personality traits in predicting sustained playing to the game on a 6-month period as well as related health outcomes in terms of distance walked per day. MATERIALS AND METHODS: Pokémon Go players from 10 countries were recruited through social media and answered an online questionnaire...
June 29, 2017: Games for Health
https://www.readbyqxmd.com/read/28651592/anatomic-comparison-of-veins-of-labb%C3%A3-between-autopsy-digital-subtraction-angiography-and-computed-tomographic-venography
#15
Qiong Fang, Anhong Jiang, Wei Tao, Lin Xin
OBJECTIVE: The drainage portion of the vein of Labbé varies, and it is difficult to predict whether the operation is likely to damage this vein. The aim of this study was to correlate the microanatomy of the vein of Labbé with digital subtraction angiography (DSA) and computed tomographic venography (CTV), in order to provide a basis for the preservation of the vein of Labbé during a supratentorial surgical approach. METHODS: A total of 30 human cadavers (60 sides) and 61 living patients (110 sides) were examined in this study...
June 26, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28644242/effects-of-participation-in-sports-programs-on-walking-ability-and-endurance-over-time-in-children-with-cerebral-palsy
#16
Sandy A Ross, Morgan Yount, Sara Ankarstad, Samantha Bock, Britta Orso, Kimberly Perry, Jennifer Miros, Janice E Brunstrom-Hernandez
OBJECTIVE: Children with cerebral palsy may benefit from maintaining a high level of physical fitness similar to typically developing children especially in terms of long-term physical performance, although in practice this is often difficult. The purpose of this study was to determine the effect of participation in sports programs on walking ability and endurance over time. DESIGN: A retrospective cohort study included participants with cerebral palsy, aged 6 to 20 yrs, who attended a summer sports program from 2004 to 2012...
June 21, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28625550/maternal-exposure-to-western-diet-affects-adult-body-composition-and-voluntary-wheel-running-in-a-genotype-specific-manner-in-mice
#17
Layla Hiramatsu, Jarren C Kay, Zoe Thompson, Jennifer M Singleton, Gerald C Claghorn, Ralph L Albuquerque, Brittany Ho, Brett Ho, Gabriela Sanchez, Theodore Garland
Some human diseases, including obesity, Type II diabetes, and numerous cancers, are thought to be influenced by environments experienced in early life, including in utero. Maternal diet during the perinatal period may be especially important for adult offspring energy balance, potentially affecting both body composition and physical activity. This effect may be mediated by the genetic background of individuals, including, for example, potential "protective" mechanisms for individuals with inherently high levels of physical activity or high basal metabolic rates...
June 15, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28617517/selective-fasciotomy-for-chronic-exertional-compartment-syndrome-detected-with-exercise-magnetic-resonance-imaging
#18
Sehan Park, Ho Seong Lee, Sang Gyo Seo
Chronic exertional compartment syndrome that is refractory to conservative management should be treated with surgical fasciotomy. However, owing to the limitations of intracompartmental needle manometry in reaching a definite diagnosis, the appropriate timing for fasciotomy and on which compartment remain unclear. The authors report the case of a 22-year-old male military cadet who reported pain in his left calf when running or walking for long distances. The pain was located at the lateral aspect of the calf, from the mid-calf level to the ankle...
June 15, 2017: Orthopedics
https://www.readbyqxmd.com/read/28579885/effect-of-gu-tong-xian-capsule-on-expression-level-of-type-i-ii-collagen-and-bmp-2-mrna-in-rabbits-with-fracture-during-long-distance-running
#19
Liang Li, Yueting Qiu
The study aims to analyze and investigate the effects of Gu Tong Xian Capsule on the expression level of type I, II collagen and BMP-2 mRNA in rabbits with fracture during long-distance running. 60 adult healthy rabbits were selected as research objects, and then randomly divided into three groups including model group, positive control group and treatment group, each containing 20 rabbits. The three groups were treated with saline gastric lavage, powder for fracture and trauma, and Gu Tong Xian capsule, respectively...
May 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28574286/changes-of-intima-media-thickness-in-marathon-runners-a-mid-term-follow-up
#20
Jan Müller, Valeria Dahm, Elke S Lorenz, Axel Pressler, Bernhard Haller, Viola Grabs, Martin Halle, Johannes Scherr
Objective Carotid intima-media thickness (IMT) is used to assess cardiovascular risk and progression of atherosclerosis. It is known that regular physical activity of moderate intensity has beneficial effects on the vasculature. However, it is still discussed controversially whether prolonged exercise, including participation in exhaustive competitive sports such as long-distance races, has also beneficial effects or might even be harmful regarding the cardiovascular system. Patients and methods Thirty-eight male marathon runners (45...
January 1, 2017: European Journal of Preventive Cardiology
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