Resveratrol-Loaded Solid Lipid Nanoparticle Supplementation Ameliorates Physical Fatigue by Improving Mitochondrial Quality Control

Resveratrol (RSV) has various pharmacological effects; however, few studies have directly addressed the possible antifatigue effects of long-term endurance exercise. The clinical use of RSV is limited by its poor water solubility and extremely short plasma half-life. Solid lipid nanoparticles (SLNs) are considered as reasonable drug delivery systems to overcome some of these drawbacks and expand its applications. In this study, RSV-SLNs were successfully prepared through emulsification and low-temperature solidification. Results showed that RSV-SLN supplementation effectively enhanced endurance performance. RSV-SLN supplementation might enhance mitochondrial function by ameliorating mitochondrial quality control (QC), which was superior to RSV application. These results revealed an unexpected role of RSV-SLN compared with RSV in terms of linking nutrient deprivation to mitochondrial oxidant production through mitochondrial QC. A mitochondrion-mediated pathway was likely involved in RSV-SLN, thereby improving endurance performance. Overall, this study highlighted new possibilities for anti-physical-fatigue strategies.

Abstract licence: CC BY

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