The impact of resveratrol and hydrogen peroxide on muscle cell plasticity shows a dose-dependent interaction
Scientific Reports, ISSN: 2045-2322, Vol: 5, Issue: 1, Page: 8093
2015
- 61Citations
- 80Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations61
- Citation Indexes61
- 61
- CrossRef60
- Captures80
- Readers80
- 80
Article Description
While reactive oxygen species (ROS) play a role in muscle repair, excessive amounts of ROS for extended periods may lead to oxidative stress. Antioxidants, as resveratrol (RS), may reduce oxidative stress, restore mitochondrial function and promote myogenesis and hypertrophy. However, RS dose-effectiveness for muscle plasticity is unclear. Therefore, we investigated RS dose-response on C2C12 myoblast and myotube plasticity 1. in the presence and 2. absence of different degrees of oxidative stress. Low RS concentration (10μM) stimulated myoblast cell cycle arrest, migration and sprouting, which were inhibited by higher doses (40-60 μM). RS did not increase oxidative capacity. In contrast, RS induced mitochondria loss, reduced cell viability and ROS production, and activated stress response pathways [Hsp70 and pSer36-p66(ShcA) proteins]. However, the deleterious effects of HO (1000μM) on cell migration were alleviated after preconditioning with 10μM-RS. This dose also enhanced cell motility mediated by 100μM-HO, while higher RS-doses augmented the HO-induced impaired myoblast regeneration and mitochondrial dehydrogenase activity. In conclusion, low resveratrol doses promoted in vitro muscle regeneration and attenuated the impact of ROS, while high doses augmented the reduced plasticity and metabolism induced by oxidative stress. Thus, the effects of resveratrol depend on its dose and degree of oxidative stress.
Bibliographic Details
Springer Science and Business Media LLC
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