Academic literature on the topic 'ACTN3 XX'

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Journal articles on the topic "ACTN3 XX"

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Norman, Barbara, Mona Esbjörnsson, Håkan Rundqvist, Ted Österlund, Ferdinand von Walden, and Per A. Tesch. "Strength, power, fiber types, and mRNA expression in trained men and women with different ACTN3 R577X genotypes." Journal of Applied Physiology 106, no. 3 (2009): 959–65. http://dx.doi.org/10.1152/japplphysiol.91435.2008.

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α-Actinins are structural proteins of the Z-line. Human skeletal muscle expresses two α-actinin isoforms, α-actinin-2 and α-actinin-3, encoded by their respective genes ACTN2 and ACTN3. ACTN2 is expressed in all muscle fiber types, while only type II fibers, and particularly the type IIb fibers, express ACTN3. ACTN3 (R577X) polymorphism results in loss of α-actinin-3 and has been suggested to influence skeletal muscle function. The X allele is less common in elite sprint and power athletes than in the general population and has been suggested to be detrimental for performance requiring high po
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Chae, Ji Heon, Seon-Ho Eom, Sang-Ki Lee, Joo-Ha Jung, and Chul-Hyun Kim. "Association between Complex ACTN3 and ACE Gene Polymorphisms and Elite Endurance Sports in Koreans: A Case–Control Study." Genes 15, no. 9 (2024): 1110. http://dx.doi.org/10.3390/genes15091110.

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ACTN3 R577X and ACE I/D polymorphisms are associated with endurance exercise ability. This case–control study explored the association of ACTN3 and ACE gene polymorphisms with elite pure endurance in Korean athletes, hypothesizing that individuals with both ACTN3 XX and ACE II genotypes would exhibit superior endurance. We recruited 934 elite athletes (713 males, 221 females) and selected 45 pure endurance athletes (36 males, 9 females) requiring “≥90% aerobic energy metabolism during sports events”, in addition to 679 healthy non-athlete Koreans (361 males, 318 females) as controls. Genomic D
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Gutiérrez-Hellín, Jorge, Gabriel Baltazar-Martins, Millán Aguilar-Navarro, Carlos Ruiz-Moreno, Jesús Oliván, and Juan Del Coso. "Effect of ACTN3 R577X Genotype on Injury Epidemiology in Elite Endurance Runners." Genes 12, no. 1 (2021): 76. http://dx.doi.org/10.3390/genes12010076.

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The p.R577X polymorphism (rs1815739) in the ACTN3 gene causes individuals with the ACTN3 XX genotype to be deficient in functional α-actinin-3. Previous investigations have found that XX athletes are more prone to suffer non-contact muscle injuries. This investigation aimed to determine the influence of the ACTN3 R577X polymorphism in the injury epidemiology of elite endurance athletes. Using a cross-sectional experiment, the epidemiology of running-related injuries was recorded for one season in a group of 89 Spanish elite endurance runners. ACTN3 R577X genotype was obtained for each athlete
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Gutiérrez-Hellín, Jorge, Gabriel Baltazar-Martins, Millán Aguilar-Navarro, Carlos Ruiz-Moreno, Jesús Oliván, and Juan Del Coso. "Effect of ACTN3 R577X Genotype on Injury Epidemiology in Elite Endurance Runners." Genes 12, no. 1 (2021): 76. http://dx.doi.org/10.3390/genes12010076.

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The p.R577X polymorphism (rs1815739) in the ACTN3 gene causes individuals with the ACTN3 XX genotype to be deficient in functional α-actinin-3. Previous investigations have found that XX athletes are more prone to suffer non-contact muscle injuries. This investigation aimed to determine the influence of the ACTN3 R577X polymorphism in the injury epidemiology of elite endurance athletes. Using a cross-sectional experiment, the epidemiology of running-related injuries was recorded for one season in a group of 89 Spanish elite endurance runners. ACTN3 R577X genotype was obtained for each athlete
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Jeremic, Dejan, Ivana Zivanovic Macuzic, Maja Vulovic, et al. "ACE/ACTN3 GENETIC POLYMORPHISMS AND ATHLETIC PERFORMANCE OF FEMALE SOCCER PLAYERS`." Revista Brasileira de Medicina do Esporte 25, no. 1 (2019): 35–39. http://dx.doi.org/10.1590/1517-869220192501187684.

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ABSTRACT Objective: Previous studies have shown controversial relationships between ACE and ACTN3 gene polymorphisms and sports performance. Thus, the aim of our study was to assess anaerobic and aerobic performance indicators of young female soccer players with different ACE/ACTN3 gene profiles. Methods: Twenty-seven female soccer players aged 16-18 underwent acceleration, speed, strength, anaerobic power and aerobic endurance tests and had their ACE and ACTN3 polymorphisms determined. Results: Based on genetic analysis, they were divided into the following groups: ACE II (n=2), ACE ID (n=11)
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Taniguchi, Yoshiaki, Hyuma Makizako, Yuki Nakai, et al. "Associations of the Alpha-Actinin Three Genotype with Bone and Muscle Mass Loss among Middle-Aged and Older Adults." Journal of Clinical Medicine 11, no. 20 (2022): 6172. http://dx.doi.org/10.3390/jcm11206172.

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Bone and muscle mass loss are known to occur simultaneously. The alpha-actinin three (ACTN3) genotype has been shown to potentially affect bone and muscle mass. In this study, we investigated the association between the ACTN3 genotype and bone and muscle mass loss in community-dwelling adults aged ≥ 60 years. This study was a cross-sectional analysis of data from 295 participants who participated in a community health checkup. The ACTN3 genotypes were classified as RR, RX, or XX types. Bone mass loss was defined as a calcaneal speed of sound T-score of <−1.32 and <−1.37, and muscle mass
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Del Coso, Juan, Victor Moreno, Jorge Gutiérrez-Hellín, et al. "ACTN3 R577X Genotype and Exercise Phenotypes in Recreational Marathon Runners." Genes 10, no. 6 (2019): 413. http://dx.doi.org/10.3390/genes10060413.

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Background: Homozygosity for the X-allele in the ACTN3 R577X (rs1815739) polymorphism results in the complete absence of α-actinin-3 in sarcomeres of fast-type muscle fibers. In elite athletes, the ACTN3 XX genotype has been related to inferior performance in speed and power-oriented sports; however, its influence on exercise phenotypes in recreational athletes has received less attention. We sought to determine the influence of ACTN3 genotypes on common exercise phenotypes in recreational marathon runners. Methods: A total of 136 marathoners (116 men and 20 women) were subjected to laboratory
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Arroyo Moya, Wilson. "Relación del gen ACTN3 R577X con la flexibilidad y el rango de movimiento: Implicaciones en lesiones deportivas." SPORT TK-Revista EuroAmericana de Ciencias del Deporte 13 (April 13, 2024): 27. http://dx.doi.org/10.6018/sportk.525531.

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The objective was to analyze the evidence focused on the relationship of the ACTN3 R577X gene with flexibility and joint motion ranges and its influence on sports injuries. A systematic review of the literature was carried out applying the guidelines established in the PRISMA statement on the association of the ACTN3 gene with flexibility and joint range of motion. The search on PubMed, Scopus, SPORTDiscus and Google Scholar included original studies available in full text from January 2014. Deficiency of alpha-actinin-3 (Genotype XX) represented significantly greater flexibility and range of
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Camilo, Danieli Amorim, Leonardo Emmanuel de Medeiros Lima, Gildiney Penaves de Alencar, et al. "Análise do gene ACTN3 na prática esportiva de alto rendimento: uma revisão narrativa." Research, Society and Development 10, no. 14 (2021): e519101422235. http://dx.doi.org/10.33448/rsd-v10i14.22235.

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Objetivo: Analisar o gene ACTN3 na prática esportiva de alto rendimento, bem como verificar a relação com o desempenho na modalidade específica e a influência do gene ACTN-3 sobre a caracterização das fibras musculares. Metodologia: Trata-se de um estudo de revisão narrativa da literatura, que analisou artigos publicados em língua portuguesa e/ou inglesa, entre os anos 1995 e 2020, encontrados na plataforma de pesquisa Google Acadêmico, selecionados a partir das palavras-chave, sinônimos e descritores “genética”, “polimorfismo”, “performance” e “actn3”. Foram incluídos estudos com texto comple
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Kikuchi, Naoki, Dai Ueda, Seok-ki Min, Koichi Nakazato, and Shoji Igawa. "The ACTN3 XX Genotype’s Underrepresentation in Japanese Elite Wrestlers." International Journal of Sports Physiology and Performance 8, no. 1 (2013): 57–61. http://dx.doi.org/10.1123/ijspp.8.1.57.

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Purpose:To examine the relationship between ACTN3 polymorphisms and level of athletic performance in Japanese wrestlers.Methods:The control group consisted of 243 healthy Japanese individuals. The authors divided 135 wrestlers into 3 groups based on their results in national or international competitions. They classified as elite 24 wrestlers who had placed in the top 8 in a world championship or participated in Olympic games, 28 wrestlers who had participated in world championships or become champions in Japan’s national championships were classified as subelite, and 83 wrestlers were classif
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Dissertations / Theses on the topic "ACTN3 XX"

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Papadimitriou, Ioannis D. "The influence of ACTN3 R577X genotype on performance and muscle adaptations to a single bout of exercise." Thesis, 2018. https://vuir.vu.edu.au/37829/.

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ACTN3 has been labelled as the ‘gene for speed’ due to the increased frequency of the R allele encoding the α-actinin-3 protein in elite sprint athletes compared to the general population. The results of the first study of this thesis demonstrate that elite athletes who express α-actinin-3 (ACTN3 RR genotype) have faster sprint times compared to those who do not express α-actinin-3 (ACTN3 XX genotype). Further analysis indicates that the ACTN3 genotype accounts for 0.92% in sprint speed amongst elite 200-m athletes. In study two, the same quantitative genetic epidemiological design applied to
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Book chapters on the topic "ACTN3 XX"

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Nascimento, O. V., Whendel Mesquita Nascimento, and S. A. FILHO. "GENE ACTN3 EM ATLETAS BRASILEIROS: GENE ACTN3." In Open Science Research XVII. Editora Científica Digital, 2024. https://doi.org/10.37885/241218330.

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A literatura evidencia que os fatores genéticos operam uma significativa participação no talento, traços e desempenho atlético. Com novas técnica da tecnologia do sequenciamento genético cientista identificam certos polimorfismos genéticos com papeis importantes na identificação de certas características relacionadas com a modalidades desportiva e o perfil de seus praticantes. O objetivo desta revisão foi narrar a correlação da genotipagem da ACTN3 no desempenho dos atletas Brasileiros de elite. Foram relacionados 85 artigos originais revisados por pares, identificando o total de 08 artigos se
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