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https://www.readbyqxmd.com/read/29775483/ldha-gene-is-associated-with-pigeon-survivability-during-racing-competitions
#1
Sherif Ramadan, Takeshi Miyake, Junichi Yamaura, Miho Inoue-Murayama
Pigeon racing is a popular sport worldwide. Pigeons are under continuous selection to improve speed, spatial orientation, and endurance during long flights. However, numerous genetic and non-genetic factors affect survivability and homing ability, making such traits difficult for breeders to control. Polymorphisms in the lactate dehydrogenase A gene (LDHA) likely affects pigeon racing and homing abilities, due to its role in physical and mental performance. Additionally, the adenylate cyclase activating polypeptide 1 gene (ADCYAP1) has been associated with physiological and behavioral shifts that occur during avian migration...
2018: PloS One
https://www.readbyqxmd.com/read/29764897/diagnostic-yield-of-genetic-testing-in-young-athletes-with-t-wave-inversion
#2
Nabeel Sheikh, Michael Papadakis, Mathew Wilson, Aneil Malhotra, Carmen Adamuz, Tessa Homfray, Lorenzo Monserrat, Elijah R Behr, Sanjay Sharma
Background -T-wave inversion (TWI) is common in patients with cardiomyopathy. However, up to 25% of athletes of African/Afro-Caribbean descent (black athletes) and 5% of white athletes also have TWI of unclear clinical significance despite comprehensive clinical evaluation and long-term follow-up. The aim of this study was to determine the diagnostic yield from genetic testing, beyond clinical evaluation, when investigating athletes with TWI. Methods -We investigated 50 consecutive asymptomatic black and 50 white athletes aged 14-35-years-old with TWI and a normal echocardiogram who were referred to a UK tertiary center for cardiomyopathy and sports cardiology...
May 15, 2018: Circulation
https://www.readbyqxmd.com/read/29736571/clinical-management-in-early-oa
#3
Rita Grazina, Renato Andrade, Ricardo Bastos, Daniela Costa, Rogério Pereira, José Marinhas, António Maestro, João Espregueira-Mendes
Knee osteoarthritis affects an important percentage of the population throughout their life. Several factors seem to be related to the development of knee osteoarthritis including genetic predisposition, gender, age, meniscal deficiency, lower limb malalignments, joint instability, cartilage defects, and increasing sports participation. The latter has contributed to a higher prevalence of early onset of knee osteoarthritis at younger ages with this active population demanding more consistent and durable outcomes...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29706641/australians-views-on-personal-genomic-testing-focus-group-findings-from-the-genioz-study
#4
Sylvia A Metcalfe, Chriselle Hickerton, Jacqueline Savard, Bronwyn Terrill, Erin Turbitt, Clara Gaff, Kathleen Gray, Anna Middleton, Brenda Wilson, Ainsley J Newson
Personal genomic testing provides healthy individuals with access to information about their genetic makeup for purposes including ancestry, paternity, sporting ability and health. Such tests are available commercially and globally, with accessibility expected to continue to grow, including in Australia; yet little is known of the views/expectations of Australians. Focus groups were conducted within a multi-stage, cross-disciplinary project (Genioz) to explore this. In mid-2015, 56 members of the public participated in seven focus groups, allocated into three age groups: 18-24, 25-49, and ≥50 years...
April 30, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29706494/is-there-a-role-for-genes-in-exercise-induced-atrial-cardiomyopathy
#5
REVIEW
Diane Fatkin, Charles D Cox, Inken G Huttner, Boris Martinac
In endurance athletes, prolonged high intensity exercise participation can have deleterious effects on the myocardium with subsequent structural and electrical remodelling. In a subset of athletes, there is a predilection for atrial involvement and the risk of atrial fibrillation (AF) is increased. The mechanisms underpinning exercise-induced atrial cardiomyopathy have yet to be fully elucidated and the contribution of an individual's genetic makeup is unknown. Some athletes may have rare genetic variants that are sufficient to cause AF irrespective of exercise exposure...
April 9, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29705154/genetic-mutations-of-young-patients-admitted-to-an-emergency-department-for-syncope-during-sport-practice
#6
Jorge Gómez Alcaraz, José Bustamante, Ervigio Corral, Maria Isabel Casado Florez, David Vivas, Victoria Cañadas-Godoy, Juan González Del Castillo, Juan Jorge González Armengol, Antonio López-Farré, Francisco Javier Martín Sánchez
BACKGROUND AND OBJECTIVES: To study the frequency of genetic mutations related to genetic heart disease among young patients admitted for syncope during sport practice. PATIENTS AND METHODS: A case series study that included patients≤45 years admitted for syncope during sport practice during 2010-2011. We collected demographic and clinical variables, genetic tests mutations and final clinical diagnosis. RESULTS: A genetic test was performed in 46 (76...
April 25, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/29670190/founder-specific-inbreeding-depression-affects-racing-performance-in-thoroughbred-horses
#7
Evelyn T Todd, Simon Y W Ho, Peter C Thomson, Rachel A Ang, Brandon D Velie, Natasha A Hamilton
The Thoroughbred horse has played an important role in both sporting and economic aspects of society since the establishment of the breed in the 1700s. The extensive pedigree and phenotypic information available for the Thoroughbred horse population provides a unique opportunity to examine the effects of 300 years of selective breeding on genetic load. By analysing the relationship between inbreeding and racing performance of 135,572 individuals, we found that selective breeding has not efficiently alleviated the Australian Thoroughbred population of its genetic load...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29603120/analysis-of-sports-relevant-polymorphisms-in-a-large-brazilian-cohort-of-top-level-athletes
#8
João Paulo Limongi França Guilherme, Rômulo Bertuzzi, Adriano Eduardo Lima-Silva, Alexandre da Costa Pereira, Antonio Herbert Lancha Junior
In recent years, there have been an increasing number of genetic variants associated with athletic phenotypes. Here, we selected a set of sports-relevant polymorphisms that have been previously suggested as genetic markers for human physical performance, and we examined their association with athletic status in a large cohort of Brazilians. We evaluated a sample of 1,622 individuals, in which 966 were nonathletes, and 656 were athletes: 328 endurance athletes and 328 power athletes. Only the AGT M268T minor allele was nominally associated with the endurance status...
March 30, 2018: Annals of Human Genetics
https://www.readbyqxmd.com/read/29593445/effect-of-selection-for-eventing-on-the-mstn-gene-in-brazilian-sport-horses
#9
Felipe Gomes Ferreira Padilha, Kênia Balbi El-Jaick, Liane de Castro, Aline Dos Santos Moreira, Ana Maria Reis Ferreira
Polymorphisms in MSTN have previously been associated with equine performance. Therefore, the aim of this study was to identify variants in MSTN intron 1 in 16 Brazilian Sport Horses selected for competition in eventing and their possible effects of selection on performance. Among the nine variants identified, eight had already been reported in previous studies or genomic databases, although they showed differences in frequencies when compared with other horse breeds. Moreover, a new mutation was identified in two horses, both in heterozygous form...
2018: Journal of Equine Science
https://www.readbyqxmd.com/read/29589768/ioc-consensus-statement-dietary-supplements-and-the-high-performance-athlete
#10
Ronald J Maughan, Louise M Burke, Jiri Dvorak, D Enette Larson-Meyer, Peter Peeling, Stuart M Phillips, Eric S Rawson, Neil P Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Luc van Loon, Susan M Shirreffs, Lawrence L Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M Ali, Richard G M Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis Pitsiladis, Torbjørn Soligard, Uğur Erdener, Lars Engebretsen
Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition program. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including the management of micronutrient deficiencies, supply of convenient forms of energy and macronutrients, and provision of direct benefits to performance or indirect benefits such as supporting intense training regimens...
March 28, 2018: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29543920/the-relationship-between-ca-repeat-polymorphism-of-the-igf-1-gene-and-the-structure-of-motor-skills-in-young-athletes
#11
Krzysztof Karpowicz, Katarzyna Krych, Małgorzata Karpowicz, Witold Nowak, Piotr Gronek
The map of candidate genes that can potentially affect physical fitness becomes larger every year, and they are associated with such aspects as respiratory and cardiovascular stability; body build and composition - especially muscle mass and strength; carbohydrate and lipid metabolism; response to training; and exercise intolerance.The aim of this study was to analyze the relationship between the CA repeat polymorphism of the P1 promoter of the IGF1 gene and the structure of motor skills in the two groups of Polish young athletes in 2007-2009...
2018: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/29540367/ioc-consensus-statement-dietary-supplements-and-the-high-performance-athlete
#12
Ronald J Maughan, Louise M Burke, Jiri Dvorak, D Enette Larson-Meyer, Peter Peeling, Stuart M Phillips, Eric S Rawson, Neil P Walsh, Ina Garthe, Hans Geyer, Romain Meeusen, Lucas J C van Loon, Susan M Shirreffs, Lawrence L Spriet, Mark Stuart, Alan Vernec, Kevin Currell, Vidya M Ali, Richard Gm Budgett, Arne Ljungqvist, Margo Mountjoy, Yannis P Pitsiladis, Torbjørn Soligard, Uğur Erdener, Lars Engebretsen
Nutrition usually makes a small but potentially valuable contribution to successful performance in elite athletes, and dietary supplements can make a minor contribution to this nutrition programme. Nonetheless, supplement use is widespread at all levels of sport. Products described as supplements target different issues, including (1) the management of micronutrient deficiencies, (2) supply of convenient forms of energy and macronutrients, and (3) provision of direct benefits to performance or (4) indirect benefits such as supporting intense training regimens...
April 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29534260/two-genetic-variants-associated-with-plantar-fascial-disorders
#13
Stuart K Kim, John P A Ioannidis, Marwa A Ahmed, Andrew L Avins, John P Kleimeyer, Michael Fredericson, Jason L Dragoo
Plantar fascial disorder is comprised of plantar fasciitis and plantar fibromatosis. Plantar fasciitis is the most common cause of heel pain, especially for athletes involved in running and jumping sports. Plantar fibromatosis is a rare fibrous hyperproliferation of the deep connective tissue of the foot. To identify genetic loci associated with plantar fascial disorders, a genome-wide association screen was performed using publically available data from the Research Program in Genes, Environment and Health including 21,624 cases of plantar fascial disorders and 80,879 controls...
April 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29525647/controversies-surrounding-exercise-in-genetic-cardiomyopathies
#14
REVIEW
Gourg Atteya, Rachel Lampert
Exercise and sports are an integral part of daily life for millions of Americans, with 16% of the US population older than age 15 years engaged in sports or exercise activities (Bureau of Labor statistics). The physical and psychological benefits of exercise are well-recognized. However, high-profile cases of athletes dying suddenly on the field, often due to undiagnosed genetic cardiomyopathies, raise questions about the risks and benefits of exercise for those with cardiomyopathy.
April 2018: Heart Failure Clinics
https://www.readbyqxmd.com/read/29483338/taxonomies-of-psychological-individual-differences-biological-perspectives-on-millennia-long-challenges
#15
I Trofimova, T W Robbins, W H Sulis, J Uher
This Editorial highlights a unique focus of this theme issue on the biological perspectives in deriving psychological taxonomies coming from neurochemistry, neuroanatomy, neurophysiology, genetics, psychiatry, developmental and comparative psychology-as contrasted to more common discussions of socio-cultural concepts (personality) and methods (lexical approach). It points out the importance of the distinction between temperament and personality for studies in human and animal differential psychophysiology, psychiatry and psycho-pharmacology, sport and animal practices during the past century...
April 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29472734/a-meta-analysis-of-the-association-of-ckm-gene-rs8111989-polymorphism-with-sport-performance
#16
Chunyang Chen, Yan Sun, Hao Liang, Dan Yu, Songnian Hu
The muscle-specific creatine kinase (CKM) A/G variants (rs8111989) have been associated with skeletal muscle performance in humans; they are correlated with physical performance and contribute to differences in the maximum oxygen uptake (VO2 max) responses during power or endurance training. However, there is not enough definitive evidence to demonstrate whether the A and G allelic variants of the CKM gene rs8111989 are indeed genetic factors that can influence human physical performance. In our study, we identified 9 articles on CKM in a literature search, and conducted two meta-analyses on the CKM rs8111989 A/G allele or genotype differences between power or endurance athletes and general controls...
December 2017: Biology of Sport
https://www.readbyqxmd.com/read/29468337/psychosocial-impact-of-a-positive-gene-result-for-asymptomatic-relatives-at-risk-of-hypertrophic-cardiomyopathy
#17
Carissa Bonner, Catherine Spinks, Christopher Semsarian, Alex Barratt, Jodie Ingles, Kirsten McCaffery
Families with a history of hypertrophic cardiomyopathy (HCM) may be offered genetic testing in addition to clinical surveillance. Asymptomatic family members who are gene positive (silent gene carriers) represent a new group of "patients" who may not develop HCM, with little evidence available to assist clinical management. This study explored experiences of HCM genetic testing to identify potential benefits and harms. Thirty-two individuals previously offered genetic testing for HCM were recruited...
February 22, 2018: Journal of Genetic Counseling
https://www.readbyqxmd.com/read/29466506/first-molecular-data-for-lernaea-cyprinacea-copepoda-cyclopoida-infesting-odontesthes-bonariensis-a-commercially-important-freshwater-fish-in-argentina
#18
Iris Aparecida Soares, Víctor Salinas, Omar Del Ponti, Miguel Alberto Mancini, José Luis Luque
Parasitic copepods of the family Lernaeidae are often found infesting freshwater fishes worldwide. They cause lernaeosis, a disease that can lead to serious pathogenic effects on their fish hosts. The most common lernaeid is the Lernaea cyprinacea, which has been widely introduced through importation of tropical fishes, e.g. cyprinids. In South America, it is one of the most common parasites both in wild and in farmed fish in the central region of Argentina. The silverside Odontesthes bonariensis is the most important fish of the sport fisheries of Argentina and one of the fish most affected by lernaeosis...
February 19, 2018: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/29445518/why-do-endocrine-profiles-in-elite-athletes-differ-between-sports
#19
Peter H Sönksen, Richard I G Holt, Walailuck Böhning, Nishan Guha, David A Cowan, Christiaan Bartlett, Dankmar Böhning
Background: Endocrine profiles have been measured on blood samples obtained immediately post-competition from 693 elite athletes from 15 Olympic Sports competing at National or International level; four were subsequently excluded leaving 689 for the current analysis. Methods: Body composition was measured by bioimpedance in a sub-set of 234 (146 men and 88 women) and from these data a regression model was constructed that enabled 'estimated' lean body mass and fat mass to be calculated on all athletes...
2018: Clinical Diabetes and Endocrinology
https://www.readbyqxmd.com/read/29405367/influence-of-evolution-on-cam-deformity-and-its-impact-on-biomechanics-of-the-human-hip-joint
#20
REVIEW
Helen Anwander, Martin Beck, Lorenz Büchler
Anatomy and biomechanics of the human hip joint are a consequence of the evolution of permanent bipedal gait. Habitat and behaviour have an impact on hip morphology and significant differences are present even within the same biological family. The forces acting upon the hip joint are mainly a function of gravitation and strength of the muscles. Acetabular and femoral anatomy ensure an inherently stable hip with a wide range of motion. The femoral head in first human ancestors with upright gait was spherical (coxa rotunda)...
February 5, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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