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Wang Y, Gao J, Fan B, Hu Y, Yang Y, Wu Y, Li F, Ju H. Different levels of autophagy induced by transient serum starvation regulate metabolism and differentiation of porcine skeletal muscle satellite cells. Sci Rep 2023; 13:13153. [PMID: 37573414 PMCID: PMC10423287 DOI: 10.1038/s41598-023-40350-y] [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: 05/05/2023] [Accepted: 08/09/2023] [Indexed: 08/14/2023] Open
Abstract
This study aimed to investigate the effects of different levels of autophagy induced by transient serum starvation on the metabolism, lipid metabolism, and differentiation of porcine skeletal muscle satellite cells (SMSCs) to preliminary elucidate the role and function of autophagy in the regulatory network of skeletal muscle development. Different levels of autophagy were induced by controlling the serum concentration in the culture system for 24 h. Apoptosis, membrane potential, reactive oxygen species (ROS), ATP, and myogenic and lipogenic differentiation markers were monitored to determine if autophagy affected the metabolism and differentiation of SMSCs. Autophagy was induced in SMSCs via serum starvation (5%, 15%), as evidenced by decreased p62 and mTOR phosphorylation levels and increased LC3B lipidation and AMPK phosphorylation levels. Transmission electron microscopy revealed the presence of autophagosomes, and the rates of morphologically abnormal nuclei and mitochondria gradually increased with the decrease in serum concentration, the number of autophagic lysosomes also increased, indicating that 5% serum starvation induced severe autophagy, while 15% serum starvation induced mild autophagy. Compared with the control group and 15% serum-starved SMSCs, SMSCs undergoing 5% serum starvation had the highest intracellular ATP and ROS levels, the highest percentage of apoptotic cells, and the lowest membrane potential. The 15% serum-starved SMSCs had the highest membrane potential, but the percentage of apoptotic cells did not change significantly compared with the control group. The levels of the myogenic markers MyoD1 and MHC were significantly higher in 15% serum-starved SMSCs than in serum-sufficient SMSCs and the lowest in the 5% serum-starved SMSCs. The lipid contents (measured by Oil Red O staining and quantification of triglycerides) and lipogenic markers Peroxisome Proliferators-activated Receptors γ and Lipoprotein Lipase were also significantly higher in SMSCs undergoing 15% serum starvation than in the control group, and the lowest in the 5% serum-starved SMSCs. Different levels of starvation stress induce different levels of autophagy. Mild autophagy induced by moderate serum starvation promotes the metabolism and differentiation of SMSCs, while severe autophagy renders SMSCs more apoptotic, abnormal metabolism and suppresses SMSC differentiation into adipocytes or myocytes, and reduces lipid metabolisms. Our study suggests that autophagy plays a role in skeletal muscle development and may help design strategies for improving meat production traits in domestic pigs.
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Affiliation(s)
- Yi Wang
- College of Veterinary Medicine, Yangzhou University/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Juan Gao
- College of Veterinary Medicine, Yangzhou University/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou, 225009, Jiangsu, People's Republic of China
- Biocytogen JiangSu Co., Ltd., Nantong, 226000, Jiangsu, People's Republic of China
| | - Bojun Fan
- College of Veterinary Medicine, Yangzhou University/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Yuemin Hu
- College of Veterinary Medicine, Yangzhou University/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Yuefei Yang
- College of Veterinary Medicine, Yangzhou University/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Yajie Wu
- College of Veterinary Medicine, Yangzhou University/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Feng Li
- Department of Reproductive Medicine Center, Northern Jiangsu People's Hospital Affiliated to Yangzhou University/Clinical Medical College, Yangzhou University, Yangzhou, 225009, Jiangsu, People's Republic of China
| | - Huiming Ju
- College of Veterinary Medicine, Yangzhou University/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou, 225009, Jiangsu, People's Republic of China.
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Pan RJ, Gui SJ, He YL, Nian F, Ni XY, Zhou YH, Wang MY, Wu JJ, Zeng GQ, Liang JH, Peng D. The effectiveness of optimal exercise-based strategy for patients with hip fracture: a systematic review and Bayesian network meta-analysis. Sci Rep 2023; 13:10521. [PMID: 37386114 PMCID: PMC10310779 DOI: 10.1038/s41598-023-37509-y] [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: 12/12/2022] [Accepted: 06/22/2023] [Indexed: 07/01/2023] Open
Abstract
The implementation of exercise intervention (EI) presents a promising and economical way for patients with hip fracture. However, the optimal type of EI remains unclear. The objective of this study is to evaluate the efficacy of various EI approaches and identify the optimal intervention for improving the prognosis of patients with hip fracture. A comprehensive search of Medline (via PubMed), Web of Science, Embase, Cochrane Central Register of Controlled Trials, CINAHL, CNKI, Wan Fang, VIP, and CBM was conducted from their earliest records to June 2022. The included randomized controlled trials (RCTs) included at least one type of exercise for patients with hip fracture. The methodological quality of these trials was assessed using the Cochrane Collaboration Risk of Bias Tool. All direct and indirect comparisons were analyzed by Stata 14.0 and OpenBUGS 3.2.3 software. The primary outcome was hip function, and the secondary outcomes were activity of daily living (ADL), walking capacity and balance ability of patients. Based on the ranking probabilities, resistance exercise (RE) was ranked as the most effective among all exercise interventions (surface under cumulative ranking curve values [SUCRA]: 94.8%, [MD]: - 11.07, [Crl]: - 15.07 to - 7.08) in improving the efficacy of patients' hip function, followed by balance exercise (BE) ([SUCRA]:81.1%, [MD]: - 8.79, [Crl]: - 13.41 to - 4.18) and muscle strength exercise ([SUCRA]:57.6%, [MD]: - 5.35, [Crl]: - 9.70 to - 0.95). For the improvement of ADL for patients with hip fracture, BE ([SUCRA]:98.4%, [MD]: - 17.38, [Crl]: - 23.77 to - 11.04) may be the best EI. The findings of this study indicate that RE and BE might be the best approach to improve prognosis for patients with hip fracture. However, further rigorous and meticulously planned RCTs are required to substantiate the conclusions drawn from this study.
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Affiliation(s)
- Rong-Jia Pan
- School of Nursing, Hengyang Medical School, University of South China, 28 West Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China
| | - Si-Jie Gui
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, People's Republic of China
| | - Yu-Lian He
- Department of Orthopedics and Trauma, the First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, People's Republic of China
| | - Fang Nian
- School of Nursing, Hengyang Medical School, University of South China, 28 West Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China
| | - Xiao-Yan Ni
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, People's Republic of China
| | - Yan-Hui Zhou
- Department of Orthopedics and Trauma, the First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, People's Republic of China
| | - Man-Yi Wang
- School of Nursing, Hengyang Medical School, University of South China, 28 West Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China
| | - Jing-Jing Wu
- School of Nursing, Hengyang Medical School, University of South China, 28 West Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China
| | - Gu-Qing Zeng
- School of Nursing, Hengyang Medical School, University of South China, 28 West Changsheng Road, Hengyang, 421001, Hunan, People's Republic of China.
| | - Jing-Hong Liang
- Department of Maternal and Child Health, School of Public Health, Sun Yat-Sen University, No.74 Zhongshan 2nd Road, Yuexiu District, Guangzhou, 510080, China.
| | - Dan Peng
- Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, People's Republic of China.
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Genome Editing to Abrogate Muscle Atrophy. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1396:157-176. [DOI: 10.1007/978-981-19-5642-3_11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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The Promotion of Migration and Myogenic Differentiation in Skeletal Muscle Cells by Quercetin and Underlying Mechanisms. Nutrients 2022; 14:nu14194106. [PMID: 36235757 PMCID: PMC9572605 DOI: 10.3390/nu14194106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/26/2022] [Accepted: 09/29/2022] [Indexed: 11/16/2022] Open
Abstract
Aging and muscle disorders frequently cause a decrease in myoblast migration and differentiation, leading to losses in skeletal muscle function and regeneration. Several studies have reported that natural flavonoids can stimulate muscle development. Quercetin, one such flavonoid found in many vegetables and fruits, has been used to promote muscle development. In this study, we investigated the effect of quercetin on migration and differentiation, two processes critical to muscle regeneration. We found that quercetin induced the migration and differentiation of mouse C2C12 cells. These results indicated quercetin could induce myogenic differentiation at the early stage through activated p-IGF-1R. The molecular mechanisms of quercetin include the promotion of myogenic differentiation via activated transcription factors STAT3 and the AKT signaling pathway. In addition, we demonstrated that AKT activation is required for quercetin induction of myogenic differentiation to occur. In addition, quercetin was found to promote myoblast migration by regulating the ITGB1 signaling pathway and activating phosphorylation of FAK and paxillin. In conclusion, quercetin can potentially be used to induce migration and differentiation and thus improve muscle regeneration.
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Lee DY, Lee SY, Jung JW, Kim JH, Oh DH, Kim HW, Kang JH, Choi JS, Kim GD, Joo ST, Hur SJ. Review of technology and materials for the development of cultured meat. Crit Rev Food Sci Nutr 2022; 63:8591-8615. [PMID: 35466822 DOI: 10.1080/10408398.2022.2063249] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Cultured meat production technology suggested that can solve the problems of traditional meat production such as inadequate breeding environment, wastewater, methane gas generation, and animal ethics issues. Complementing cultured meat production methods, sales and safety concerns will make the use of cultured meat technology easier. This review contextualizes the commercialization status of cultured meat and the latest technologies and challenges associated with its production. Investigation was conducted on materials and basic cell culture technique for cultured meat culture is presented. The development of optimal cultured meat technology through these studies will be an innovative leap in food technology. The process of obtaining cells from animal muscle, culturing cells, and growing cells into meat are the basic processes of cultured meat production. The substances needed to production of cultured meat were antibiotics, digestive enzymes, basal media, serum or growth factors. Although muscle cells have been produced closer to meat due to the application of scaffolds materials and 3 D printing technology, still a limit to reducing production costs enough to be used as foods. In addition, developing edible materials is also a challenge because the materials used to produce cultured meat are still not suitable for food sources.
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Affiliation(s)
- Da Young Lee
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
| | - Seung Yun Lee
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
| | - Jae Won Jung
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
| | - Jae Hyun Kim
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
| | - Dong Hun Oh
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
| | - Hyun Woo Kim
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
| | - Ji Hyeop Kang
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
| | - Jung Seok Choi
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, Korea
| | - Gap-Don Kim
- Graduate School of International Agricultural Technology, Institutes of Green Bio Science and Technology, Seoul National University, Pyeongchang, Kangwong, Korea
| | - Seon-Tea Joo
- Division of Applied Life Science (BK21 Four), Gyeongsang National University, Jinju, Gyeongnam, Korea
| | - Sun Jin Hur
- Department of Animal Science and Technology, Chung-Ang University, Anseong-si, Gyeonggi, Korea
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Han Y, Guo W, Su R, Zhang Y, Yang L, Borjigin G, Duan Y. Effects of sheep slaughter age on myogenic characteristics in skeletal muscle satellite cells. Anim Biosci 2022; 35:614-623. [PMID: 34991228 PMCID: PMC8902214 DOI: 10.5713/ab.21.0193] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 10/14/2021] [Indexed: 01/22/2023] Open
Abstract
Objective The objective of this study was to investigate the effects of sheep slaughter age on myogenic characteristics in skeletal muscle satellite cells (SMSCs). Methods Primary SMSCs were isolated from hind leg biceps femoris muscles of Wurank lambs (slaughtered at three months, Mth-3) and adults (slaughtered at fifteen months, Mth-15). SMSCs were selected by morphological observation and fluorescence staining. Myogenic regulatory factors (MRF) and myosin heavy chain (MyHC) expressions of SMSCs were analyzed on days 1, 3, 4, and 5. Results The expressions of myogenic factor 5 (Myf5), myogenic differentiation (MyoD), Myf6, and myogenin (MyoG) in Mth-15 were significantly higher in Mth-15 than in Mth-3 on days 1, 3, and 4 (p<0.05). However, MyoG expression in Mth-15 was significantly lower than in Mth-3 on day 5 (p<0.05). The expressions of MyHC I, MyHC IIa, and MyHC IIx in Mth-15 were significantly higher than in Mth-3 on days 1 and 3 (p<0.05), and MyHC IIb were significantly lower than in Mth-3 on days 3 and 4 (p<0.05). In contrast, the expression of MyHC IIx in Mth-15 was significantly lower and MyHC IIb was significantly higher than in Mth-3 on days 5 (p<0.05). Conclusion The slaughter age altered the expression of MRFs and MyHCs in SMSCs while differentiation, which caused the variation of myogenic characteristics, and thus may affect the meat quality of Wurank sheep.
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Affiliation(s)
- Yunfei Han
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Wenrui Guo
- College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Rina Su
- Inner Mongolia Vocational college of Chemical Engineering, Hohhot 010018, China
| | - Yanni Zhang
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Le Yang
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Gerelt Borjigin
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Yan Duan
- College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China
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