2023
DOI: 10.3390/metabo13101103
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Moderate Effects of Hypoxic Training at Low and Supramaximal Intensities on Skeletal Muscle Metabolic Gene Expression in Mice

Svitlana Drozdovska,
Nadège Zanou,
Jessica Lavier
et al.

Abstract: The muscle molecular adaptations to different exercise intensities in combination with hypoxia are not well understood. This study investigated the effect of low- and supramaximal-intensity hypoxic training on muscle metabolic gene expression in mice. C57BL/6 mice were divided into two groups: sedentary and training. Training consisted of 4 weeks at low or supramaximal intensity, either in normoxia or hypoxia (FiO2 = 0.13). The expression levels of genes involved in the hypoxia signaling pathway (Hif1a and Veg… Show more

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“…Paradigms of chronic intermittent hypoxia (mirroring sleep apnoea and respiratory diseases) must clearly be avoided given their deleterious effects on skeletal muscle function (Attaway et al., 2023; Drummond et al., 2022; 2023; O'Halloran, 2016; O'Halloran & Lewis, 2017). However, hypoxia‐dependent muscle metabolic reprogramming and angiogenesis (Clanton & Klawitter, 2001; Drozdovska et al., 2023; Li et al., 2020; Rizo‐Roca et al., 2018; Suzuki, 2016) could plausibly confer benefit to dystrophic respiratory muscles, with consequences for system performance. A body of work is required to establish the effects of AIH paradigms on respiratory muscle.…”
Section: The Respiratory System: An Integrated System Under Exquisite...mentioning
confidence: 99%
“…Paradigms of chronic intermittent hypoxia (mirroring sleep apnoea and respiratory diseases) must clearly be avoided given their deleterious effects on skeletal muscle function (Attaway et al., 2023; Drummond et al., 2022; 2023; O'Halloran, 2016; O'Halloran & Lewis, 2017). However, hypoxia‐dependent muscle metabolic reprogramming and angiogenesis (Clanton & Klawitter, 2001; Drozdovska et al., 2023; Li et al., 2020; Rizo‐Roca et al., 2018; Suzuki, 2016) could plausibly confer benefit to dystrophic respiratory muscles, with consequences for system performance. A body of work is required to establish the effects of AIH paradigms on respiratory muscle.…”
Section: The Respiratory System: An Integrated System Under Exquisite...mentioning
confidence: 99%