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Xia T, He W, Luo Z, Wang K, Tan X. Achyranthes bidentata polysaccharide ameliorates type 2 diabetes mellitus by gut microbiota-derived short-chain fatty acids-induced activation of the GLP-1/GLP-1R/cAMP/PKA/CREB/INS pathway. Int J Biol Macromol 2024; 270:132256. [PMID: 38729481 DOI: 10.1016/j.ijbiomac.2024.132256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 03/14/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Gut microbiota variances reflecting the severity type 2 diabetes mellitus (T2DM). Achyranthes bidentata polysaccharide (ABP) can regulate gut microbiota. However, the hypoglycemic effect and underlying mechanism of ABP remain unclear. Herein, we characterized the structure of ABP and revealed the hypoglycemic effect of ABP in mice with T2DM. ABP repaired the intestinal barrier in T2DM mice and regulated the composition and abundance of gut microbiota, especially increasing bacteria which producing short-chain fatty acids (SCFAs), then increasing glucagon-like peptide-1 (GLP-1) level. The abundance of these bacteria was positively correlated with blood lipid and INS levels, negatively correlated with FBG levels. Colon transcriptome data and immunohistochemistry demonstrated that the alleviating T2DM effect of ABP was related to activation of the GLP-1/GLP-1 receptor (GLP-1R)/cyclic adenosine monophosphate (cAMP)/protein kinase A (PKA)/cAMP-response element binding protein (CREB)/INS pathway. Fecal microbiota transplantation (FMT) confirmed the transmissible efficacy of ABP through gut microbiota. Overall, our research shows that ABP plays a hypoglycemic role by increasing gut microbiota-derived SCFAs levels, and activating the GLP-1/GLP-1R/cAMP/PKA/CREB/INS pathway, emphasizing ABP as promising T2DM therapeutic candidates.
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Affiliation(s)
- Ting Xia
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou 510515, PR China
| | - Wen He
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou 510515, PR China
| | - Zhenye Luo
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou 510515, PR China
| | - Kexin Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou 510515, PR China
| | - Xiaomei Tan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, Southern Medical University, Guangzhou 510515, PR China; Guangdong Provincial Engineering Laboratory of Chinese Medicine Preparation Technology, Guangzhou 510515, PR China.
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Yeo C, Kim H, Jeon WJ, Lee J, Hong JY, Kim H, Lee YJ, Baek SH, Ha IH. Protective effect of Luffa cylindrica Roemer against dexamethasone-induced muscle atrophy in primary rat skeletal muscle cells. J Muscle Res Cell Motil 2024; 45:1-10. [PMID: 37845555 PMCID: PMC10844154 DOI: 10.1007/s10974-023-09661-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023]
Abstract
Glucocorticoids (GCs) are commonly used in the treatment of chronic inflammatory conditions. However, the administration of high doses and long-term use of GCs can induce muscle atrophy (MA) in patients, leading to a decline in quality of life and increased mortality. MA leads to protein degradation in skeletal muscle, resulting in a reduction of muscle mass. This process is triggered by GCs like dexamethasone (DEX), which induce the expression of E3 ubiquitin ligases, namely Atrogin-1 and muscle RING-finger protein-1 (MuRF1). In this study, we examined the anti-MA potential of Luffa cylindrica Roemer (LCR) on DEX-treated primary skeletal myotubes. Primary skeletal myotubes stimulated with LCR alone resulted in a significant upregulation of myotube development, characterized by an increase in both the number and diameter of myotubes. Contrastingly, combined treatment with LCR and DEX reduced the expression of Atrogin-1, while treatment with DEX alone induced the expression of MuRF1. Furthermore, LCR treatment successfully restored the number and diameter of myotubes that had been diminished by DEX treatment. These findings suggest that LCR holds potential for treating MA, as an accelerating effect on muscle development and anti-MA effects on primary skeletal muscle cells were observed.
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Affiliation(s)
- Changhwan Yeo
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea
| | - Hyunseong Kim
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea
| | - Wan-Jin Jeon
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea
| | - Junseon Lee
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea
| | - Jin Young Hong
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea
| | - Hyun Kim
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea
| | - Yoon Jae Lee
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea
| | - Seung Ho Baek
- College of Korean Medicine, Dongguk University, 32, Dongguk-ro, Ilsandong-gu, Goyang-si, 10326, Gyeonggi-do, Republic of Korea
| | - In-Hyuk Ha
- Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896, Republic of Korea.
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Ko JS, Chang BY, Choi YJ, Choi JS, Kwon HY, Lee JY, Kim SY, Choung SY. Ashwagandha Ethanol Extract Attenuates Sarcopenia-Related Muscle Atrophy in Aged Mice. Nutrients 2024; 16:157. [PMID: 38201986 PMCID: PMC10781061 DOI: 10.3390/nu16010157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/23/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
The investigation focused on the impact of Withania somnifera (ashwagandha) extract (WSE) on age-related mechanisms affecting skeletal muscle sarcopenia-related muscle atrophy in aged mice. Beyond evaluating muscular aspects, the study explored chronic low-grade inflammation, muscle regeneration, and mitochondrial biogenesis. WSE administration, in comparison to the control group, demonstrated no significant differences in body weight, diet, or water intake, affirming its safety profile. Notably, WSE exhibited a propensity to reduce epidermal and abdominal fat while significantly increasing muscle mass at a dosage of 200 mg/kg. The muscle-to-fat ratio, adjusted for body weight, increased across all treatment groups. WSE administration led to a reduction in the pro-inflammatory cytokines TNF-α and IL-1β, mitigating inflammation-associated muscle atrophy. In a 12-month-old mouse model equivalent to a 50-year-old human, WSE effectively preserved muscle strength, stabilized grip strength, and increased muscle tissue weight. Positive effects were observed in running performance and endurance. Mechanistically, WSE balanced muscle protein synthesis/degradation, promoted fiber differentiation, and enhanced mitochondrial biogenesis through the IGF-1/Akt/mTOR pathway. This study provides compelling evidence for the anti-sarcopenic effects of WSE, positioning it as a promising candidate for preventing sarcopenia pending further clinical validation.
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Affiliation(s)
- Jin-Sung Ko
- Department of Biomedical Science & BK21 Four NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Chungnam, Republic of Korea; (J.-S.K.); (Y.-J.C.)
| | - Bo-Yoon Chang
- Institute of Pharmaceutical Research and Development, College of Pharmacy, Wonkwang University, Iksan 54538, Jeonbuk, Republic of Korea; (B.-Y.C.); (S.-Y.K.)
| | - Young-Ju Choi
- Department of Biomedical Science & BK21 Four NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 31116, Chungnam, Republic of Korea; (J.-S.K.); (Y.-J.C.)
| | - Ji-Soo Choi
- R&D Center, NSTbio Co., Ltd., 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, Republic of Korea; (J.-S.C.); (H.-Y.K.); (J.-Y.L.)
| | - Hee-Yeon Kwon
- R&D Center, NSTbio Co., Ltd., 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, Republic of Korea; (J.-S.C.); (H.-Y.K.); (J.-Y.L.)
| | - Jae-Yeon Lee
- R&D Center, NSTbio Co., Ltd., 32 Songdogwahak-ro, Yeonsu-gu, Incheon 21984, Republic of Korea; (J.-S.C.); (H.-Y.K.); (J.-Y.L.)
| | - Sung-Yeon Kim
- Institute of Pharmaceutical Research and Development, College of Pharmacy, Wonkwang University, Iksan 54538, Jeonbuk, Republic of Korea; (B.-Y.C.); (S.-Y.K.)
| | - Se-Young Choung
- Department of Preventive Pharmacy, College of Pharmacy, Dankook University, Cheonan 31116, Chungnam, Republic of Korea
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Hong SM, Lee EY, Park J, Kim J, Kim SY. Aerobic Exercise Ameliorates Muscle Atrophy Induced by Methylglyoxal via Increasing Gastrocnemius and Extensor Digitorum Longus Muscle Sensitivity. Biomol Ther (Seoul) 2023; 31:573-582. [PMID: 37562979 PMCID: PMC10468420 DOI: 10.4062/biomolther.2023.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 08/12/2023] Open
Abstract
Muscle atrophy is characterized by the loss of muscle function. Many efforts are being made to prevent muscle atrophy, and exercise is an important alternative. Methylglyoxal is a well-known causative agent of metabolic diseases and diabetic complications. This study aimed to evaluate whether methylglyoxal induces muscle atrophy and to evaluate the ameliorative effect of moderate-intensity aerobic exercise in a methylglyoxal-induced muscle atrophy animal model. Each mouse was randomly divided into three groups: control, methylglyoxal-treated, and methylglyoxal-treated within aerobic exercise. In the exercise group, each mouse was trained on a treadmill for 2 weeks. On the last day, all groups were evaluated for several atrophic behaviors and skeletal muscles, including the soleus, plantaris, gastrocnemius, and extensor digitorum longus were analyzed. In the exercise group, muscle mass was restored, causing in attenuation of muscle atrophy. The gastrocnemius and extensor digitorum longus muscles showed improved fiber cross-sectional area and reduced myofibrils. Further, they produced regulated atrophy-related proteins (i.e., muscle atrophy F-box, muscle RING-finger protein-1, and myosin heavy chain), indicating that aerobic exercise stimulated their muscle sensitivity to reverse skeletal muscle atrophy. In conclusion, shortness of the gastrocnemius caused by methylglyoxal may induce the dynamic imbalance of skeletal muscle atrophy, thus methylglyoxal may be a key target for treating skeletal muscle atrophy. To this end, aerobic exercise may be a powerful tool for regulating methylglyoxal-induced skeletal muscle atrophy.
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Affiliation(s)
- Seong-Min Hong
- College of Pharmacy, Gachon University, Incheon 21936, Republic of Korea
| | - Eun Yoo Lee
- College of Pharmacy, Gachon University, Incheon 21936, Republic of Korea
| | - Jinho Park
- Department of Exercise Rehabilitation, Gachon University, Incheon 21936, Republic of Korea
| | - Jiyoun Kim
- Department of Exercise Rehabilitation, Gachon University, Incheon 21936, Republic of Korea
| | - Sun Yeou Kim
- College of Pharmacy, Gachon University, Incheon 21936, Republic of Korea
- Gachon Institute of Pharmaceutical Science, Gachon University, Incheon 21936, Republic of Korea
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