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HS-1793 protects C2C12 cells from oxidative stress via mitochondrial function regulation

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Abstract

Background

HS1793, a novel analogue of resveratrol, was previously determined to be more potent at lower dosages by improving mitochondrial function and increased mitochondrial biogenesis-related proteins. In this study, we focused on targeting the mitochondria to address muscle wasting with HS-1793.

Method

Dosage screening was performed by evaluating for cytotoxicity and cell proliferation. Mitochondrial mass, mitochondrial membrane potential (Δψm), reactive oxygen species (ROS) level, and mitochondria biogenesis-regulated genes and proteins were analyzed to determine the effects on mitochondrial biogenesis.

Results

HS-1793 reduced ROS generation, but treatment did not interfere with cellular viability at low dosages. HS-1793 also regulated mitochondrial function by increasing cellular and mitochondrial ATP synthesis function, stabilizing Δψm and decreasing ROS. More importantly, these dysfunction in these parameters were ameliorated by HS-1793 in a simulated oxidative stress model with tBHP. We also observed increase in mitochondrial mass and upregulation in vital mitochondrial biogenesis-related gene PGC1-α as a response to HS-1793 treatment. Moreover, phosphorylation of AKT and mTOR proteins, which are considered as regulators of skeletal muscle function were also increased during the treatment. Finally, HS-1793 also demonstrated protective effects against cisplatin-induced skeletal muscle cell injury by increasing expression of mitochondrial biogenesis-relate markers.

Conclusion

Taken altogether, it shows the viability of HS-1793 as a compound that can restore mitochondrial function and render protection in skeletal muscle cells, especially during high oxidative stress levels.

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Acknowledgements

This work was supported by the Ministry of Education of Korea (2010-0020224), and by the Korea Government Ministry of Science and ICT (2018R1A2A3074998).

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Correspondence to Jin Han.

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The authors declare that they have no conflict of interest.

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The article does not contain any studies with human and animal and this study was performed following institutional and national guidelines.

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Marquez, J., Park, N., Garcia, M.V.F. et al. HS-1793 protects C2C12 cells from oxidative stress via mitochondrial function regulation. Mol. Cell. Toxicol. 16, 359–365 (2020). https://doi.org/10.1007/s13273-020-00090-w

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  • DOI: https://doi.org/10.1007/s13273-020-00090-w

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