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- Title
Saengmaeksan, a traditional polyherbal formulation containing Panax ginseng, improves energy metabolism during exercise.
- Authors
Baek, Suji; Kim, Jisu; Nam, Myung Hee; Park, Sun Mi; Lee, Tae Sup; Kang, Seo Young; Kim, Ji-Young; Yoon, Hai-Jeon; Kwon, Seung Hae; Park, Jonghoon; Lee, Sang Ju; Oh, Seung Jun; Lim, Kiwon; Kim, Bom Sahn; Lee, Kang Pa; Moon, Byung Seok
- Abstract
Saengmaeksan (SMS), a representative oriental medicine that contains Panax ginseng Meyer, Liriope muscari, and Schisandra chinensis (1:2:1), is used to improve body vitality and enhance physical activity. However, there is limited scientific evidence to validate the benefits of SMS. Here, we investigated the in vitro and in vivo regulatory effects of SMS and its constituents on energy metabolism and the underlying molecular mechanisms. For this, quantitative real-time polymerase chain reaction, 3D holotomographic microscopy, western blotting, and glucose uptake experiments using 18F-fluoro-2-deoxy-D-glucose (18F-FDG) were performed using L6 cells to investigate in vitro energy metabolism changes. In addition, 18F-fluorocholine (18F-FCH) and 18F-FDG positron emission tomography/computed tomography (PET/CT) analyses, immunohistochemistry, and respiratory gas analysis were performed in mice post-endurance exercise on a treadmill. In the energy metabolism of L6 cells, a significant reversal in glucose uptake was observed in the SMS-treated group, as opposed to an increase in uptake over time compared to the untreated control group. Furthermore, P. ginseng alone and SMS significantly decreased the volume of lipid droplets. SMS also regulated the phosphorylation of extracellular signal-regulated kinase (ERK), phosphorylation of p38, mitochondrial morphology, and the expression of apurinic/apyrimidinic endonuclease 1/redox factor-1 (APE/Ref-1) in H2O2-stimulated L6 cells. In addition, SMS treatment was found to regulate whole body and muscle energy metabolism in rats subjected to high-intensity exercise, as well as glucose and lipid metabolism in skeletal muscle. Therefore, SMS containing P. ginseng ameliorated imbalanced energy metabolism through oxidative stress-induced APE/Ref-1 expression. SMS may be a promising supplemental option for metabolic performance.
- Subjects
ENERGY metabolism; EXERCISE intensity; POSITRON emission tomography; MUSCLE metabolism; PHORBOL esters; SCHISANDRA chinensis; TREADMILL exercise; LIPID metabolism; GINSENG
- Publication
PLoS ONE, 2024, Vol 19, Issue 1, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0296487