More than a 'speed gene': ACTN3 R577X genotype, trainability, muscle damage, and the risk for injuries

J Del Coso, D Hiam, P Houweling, LM Pérez… - European journal of …, 2019 - Springer
A common null polymorphism (rs1815739; R577X) in the gene that codes for α-actinin-3
(ACTN3) has been related to different aspects of exercise performance. Individuals who are …

Is evolutionary loss our gain? The role of ACTN3 p.Arg577Ter (R577X) genotype in athletic performance, ageing, and disease

PJ Houweling, ID Papadimitriou, JT Seto… - Human …, 2018 - Wiley Online Library
A common null polymorphism in the ACTN3 gene (rs1815739: C> T) results in replacement
of an arginine (R) with a premature stop codon (X) at amino acid 577 in the fast muscle …

[HTML][HTML] How does α-actinin-3 deficiency alter muscle function? Mechanistic insights into ACTN3, the 'gene for speed'

FXZ Lee, PJ Houweling, KN North… - Biochimica et Biophysica …, 2016 - Elsevier
An estimated 1.5 billion people worldwide are deficient in the skeletal muscle protein α-
actinin-3 due to homozygosity for the common ACTN3 R577X polymorphism. α-Actinin-3 …

[HTML][HTML] Loss of α-actinin-3 during human evolution provides superior cold resilience and muscle heat generation

VL Wyckelsma, T Venckunas, PJ Houweling… - The American Journal of …, 2021 - cell.com
The protein α-actinin-3 expressed in fast-twitch skeletal muscle fiber is absent in 1.5 billion
people worldwide due to homozygosity for a nonsense polymorphism in ACTN3 (R577X) …

ACTN3 R577X Genotype and Exercise Phenotypes in Recreational Marathon Runners

J Del Coso, V Moreno, J Gutiérrez-Hellín… - Genes, 2019 - mdpi.com
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 …

Analysis of the ACTN3 heterozygous genotype suggests that α-actinin-3 controls sarcomeric composition and muscle function in a dose-dependent fashion

MW Hogarth, FC Garton, PJ Houweling… - Human molecular …, 2016 - academic.oup.com
A common null polymorphism (R577X) in ACTN3 causes α-actinin-3 deficiency in∼ 18% of
the global population. There is no associated disease phenotype, but α-actinin-3 deficiency …

The ACTN3 R577X Polymorphism Is Associated with Cardiometabolic Fitness in Healthy Young Adults

CL Deschamps, KE Connors, MS Klein, VL Johnsen… - PloS one, 2015 - journals.plos.org
Homozygosity for a premature stop codon (X) in the ACTN3 “sprinter” gene is common in
humans despite the fact that it reduces muscle size, strength and power. Because of the …

Response to Wyckelsma et al.: Loss of α-actinin-3 during human evolution provides superior cold resilience and muscle heat generation

A Mörseburg, L Pagani, B Malyarchuk… - The American Journal of …, 2022 - cell.com
The common loss-of-function mutation R577X in the structural muscle protein ACTN3
emerged as a potential target of positive selection from early studies and has been the focus …

Association of the ACTN3 Gene's Single-Nucleotide Variant Rs1815739 (R577X) with Sports Qualification and Competitive Distance in Caucasian Athletes of the …

OV Balberova, NA Shnayder, EV Bykov, YE Zakaryukin… - Genes, 2023 - mdpi.com
An elite athlete's status is associated with a multifactorial phenotype depending on many
environmental and genetic factors. Of course, the peculiarities of the structure and function of …

The ACTN3 577XX null genotype is associated with low left ventricular dilation-free survival rate in patients with Duchenne muscular dystrophy

M Nagai, H Awano, T Yamamoto, R Bo, M Matsuo… - Journal of Cardiac …, 2020 - Elsevier
Background Duchenne muscular dystrophy (DMD) is a fatal progressive muscle-wasting
disease caused by mutations in the DMD gene. Dilated cardiomyopathy is the leading cause …