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Geiger C, Needhamsen M, Emanuelsson EB, Norrbom J, Steindorf K, Sundberg CJ, Reitzner SM, Lindholm ME. DNA methylation of exercise-responsive genes differs between trained and untrained men. BMC Biol 2024; 22:147. [PMID: 38965555 PMCID: PMC11225400 DOI: 10.1186/s12915-024-01938-6] [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: 11/15/2023] [Accepted: 06/14/2024] [Indexed: 07/06/2024] Open
Abstract
BACKGROUND Physical activity is well known for its multiple health benefits and although the knowledge of the underlying molecular mechanisms is increasing, our understanding of the role of epigenetics in long-term training adaptation remains incomplete. In this intervention study, we included individuals with a history of > 15 years of regular endurance or resistance training compared to age-matched untrained controls performing endurance or resistance exercise. We examined skeletal muscle DNA methylation of genes involved in key adaptation processes, including myogenesis, gene regulation, angiogenesis and metabolism. RESULTS A greater number of differentially methylated regions and differentially expressed genes were identified when comparing the endurance group with the control group than in the comparison between the strength group and the control group at baseline. Although the cellular composition of skeletal muscle samples was generally consistent across groups, variations were observed in the distribution of muscle fiber types. Slow-twitch fiber type genes MYH7 and MYL3 exhibited lower promoter methylation and elevated expression in endurance-trained athletes, while the same group showed higher methylation in transcription factors such as FOXO3, CREB5, and PGC-1α. The baseline DNA methylation state of those genes was associated with the transcriptional response to an acute bout of exercise. Acute exercise altered very few of the investigated CpG sites. CONCLUSIONS Endurance- compared to resistance-trained athletes and untrained individuals demonstrated a different DNA methylation signature of selected skeletal muscle genes, which may influence transcriptional dynamics following a bout of acute exercise. Skeletal muscle fiber type distribution is associated with methylation of fiber type specific genes. Our results suggest that the baseline DNA methylation landscape in skeletal muscle influences the transcription of regulatory genes in response to an acute exercise bout.
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Affiliation(s)
- Carla Geiger
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
- Division of Physical Activity, Prevention and Cancer, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany
- Medical School, Heidelberg University, Heidelberg, Germany
| | - Maria Needhamsen
- Department of Clinical Neuroscience, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Eric B Emanuelsson
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Jessica Norrbom
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Karen Steindorf
- Division of Physical Activity, Prevention and Cancer, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany
| | - Carl Johan Sundberg
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
- Department of Learning, Informatics, Management and Ethics, Karolinska Institutet, Stockholm, Sweden
- Department of Laboratory Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Stefan M Reitzner
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
- Department for Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden
| | - Malene E Lindholm
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
- Center for Inherited Cardiovascular Disease, School of Medicine, Stanford University, 870 Quarry Rd, Stanford, CA, 94305, USA.
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Dong H, Sun Y, Nie L, Cui A, Zhao P, Leung WK, Wang Q. Metabolic memory: mechanisms and diseases. Signal Transduct Target Ther 2024; 9:38. [PMID: 38413567 PMCID: PMC10899265 DOI: 10.1038/s41392-024-01755-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/18/2024] [Accepted: 01/23/2024] [Indexed: 02/29/2024] Open
Abstract
Metabolic diseases and their complications impose health and economic burdens worldwide. Evidence from past experimental studies and clinical trials suggests our body may have the ability to remember the past metabolic environment, such as hyperglycemia or hyperlipidemia, thus leading to chronic inflammatory disorders and other diseases even after the elimination of these metabolic environments. The long-term effects of that aberrant metabolism on the body have been summarized as metabolic memory and are found to assume a crucial role in states of health and disease. Multiple molecular mechanisms collectively participate in metabolic memory management, resulting in different cellular alterations as well as tissue and organ dysfunctions, culminating in disease progression and even affecting offspring. The elucidation and expansion of the concept of metabolic memory provides more comprehensive insight into pathogenic mechanisms underlying metabolic diseases and complications and promises to be a new target in disease detection and management. Here, we retrace the history of relevant research on metabolic memory and summarize its salient characteristics. We provide a detailed discussion of the mechanisms by which metabolic memory may be involved in disease development at molecular, cellular, and organ levels, with emphasis on the impact of epigenetic modulations. Finally, we present some of the pivotal findings arguing in favor of targeting metabolic memory to develop therapeutic strategies for metabolic diseases and provide the latest reflections on the consequences of metabolic memory as well as their implications for human health and diseases.
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Affiliation(s)
- Hao Dong
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuezhang Sun
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lulingxiao Nie
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Aimin Cui
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Pengfei Zhao
- Periodontology and Implant Dentistry Division, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Wai Keung Leung
- Periodontology and Implant Dentistry Division, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Qi Wang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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Lv X, Chen W, Wang S, Cao X, Yuan Z, Getachew T, Mwacharo JM, Haile A, Sun W. Whole-genome resequencing of Dorper and Hu sheep to reveal selection signatures associated with important traits. Anim Biotechnol 2023; 34:3016-3026. [PMID: 36200839 DOI: 10.1080/10495398.2022.2127409] [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] [Indexed: 11/01/2022]
Abstract
Dorper and Hu sheep exhibit different characteristics in terms of reproduction, growth, and meat quality. Comparison of the genomes of two breeds help to reveal important genomic information. In this study, whole genome resequencing of 30 individuals (Dorper, DB and Hu sheep, HY) identified 15,108,125 single nucleotide polymorphisms (SNPs). Population differentiation (Fst) and cross population extended haplotype homozygosity (XP-EHH) were performed for selective signal analysis. In total, 106 and 515 overlapped genes were present in both the Fst results and XP-EHH results in HY vs DB and in DB vs HY, respectively. In HY vs DB, 106 genes were enriched in 12 GO terms and 83 KEGG pathways, such as ATP binding (GO:0005524) and PI3K-Akt signaling pathway (oas04151). In DB vs HY, 515 genes were enriched in 109 GO terms and 215 KEGG pathways, such as skeletal muscle cell differentiation (GO:0035914) and MAPK signaling pathway (oas04010). According to the annotation results, we identified a series of candidate genes associated with reproduction (UNC5C, BMPR1B, and GLIS1), meat quality (MECOM, MEF2C, and MYF6), and immunity (GMDS, GALK1, and ITGB4). Our investigation has uncovered genomic information for important traits in sheep and provided a basis for subsequent studies of related traits.
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Affiliation(s)
- Xiaoyang Lv
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
| | - Weihao Chen
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Shanhe Wang
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Xiukai Cao
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
| | - Zehu Yuan
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
| | - Tesfaye Getachew
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
- International Centre for Agricultural Research in the Dry Areas, Addis Ababa, Ethiopia
| | - Joram M Mwacharo
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
- International Centre for Agricultural Research in the Dry Areas, Addis Ababa, Ethiopia
| | - Aynalem Haile
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
- International Centre for Agricultural Research in the Dry Areas, Addis Ababa, Ethiopia
| | - Wei Sun
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
- International Joint Research Laboratory in Universities of Jiangsu Province of China for Domestic Animal Germplasm Resources and Genetic Improvement, Yangzhou University, Yangzhou, China
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
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Liu R, Sheng J, Huang H. Research Progress on the effects of adverse exposure during pregnancy on skeletal muscle function in offspring. Zhejiang Da Xue Xue Bao Yi Xue Ban 2023:1-10. [PMID: 37986679 DOI: 10.3724/zdxbyxb-2023-0218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Skeletal muscle plays a crucial role in maintaining metabolic function, energy homeostasis, movement function, as well as endocrine function. The gestation period is a critical stage for the myogenesis and development of skeletal muscle. Adverse environmental exposures during pregnancy would impose various effects on the skeletal muscle health of offspring. Maternal obesity during pregnancy can mediate lipid deposition in skeletal muscle of offspring by affecting fetal skeletal muscle metabolism and inflammation-related pathways. Poor dietary habits during pregnancy, such as high sugar and high fat intake, can affect the autophagy function of skeletal muscle mitochondria and reduce the quality of offspring skeletal muscle. Nutritional deficiencies during pregnancy can affect the development of offspring skeletal muscle through epigenetic modifications. Gestational diabetes may affect the function of offspring skeletal muscle by upregulating the levels of miR-15a and miR-15b in offspring. Exposure to environmental endocrine disruptors during pregnancy may impair skeletal muscle function by interfering with insulin receptor-related signaling pathways in offspring. This article reviews the research progress on effects and possible mechanisms of adverse maternal exposures during pregnancy on offspring skeletal muscle function in clinical and animal studies, aiming to provide scientific evidence for the prevention and treatment strategy of birth defects in skeletal muscle.
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Affiliation(s)
- Rui Liu
- International Institutes of Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, International School of Medicine, Zhejiang University, Jinhua 322000, Zhejiang Province, China.
- Ministry of Education Key Laboratory of Reproductive Genetics, Department of Reproductive Endocrinology, Zhejiang University School of Medicine, Hangzhou 310006, China.
| | - Jianzhong Sheng
- International Institutes of Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, International School of Medicine, Zhejiang University, Jinhua 322000, Zhejiang Province, China
- Ministry of Education Key Laboratory of Reproductive Genetics, Department of Reproductive Endocrinology, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Hefeng Huang
- International Institutes of Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, International School of Medicine, Zhejiang University, Jinhua 322000, Zhejiang Province, China.
- Ministry of Education Key Laboratory of Reproductive Genetics, Department of Reproductive Endocrinology, Zhejiang University School of Medicine, Hangzhou 310006, China.
- Research Units of Embryo Original Diseases, Chinese Academy of Medical Sciences, Shanghai 200030, China.
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai 200030, China.
- Institute of Reproduction and Development, Obstetrics and Gynecology Hospital, Fudan University, Shanghai 200030, China.
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Megersa BS, Zinab B, Ali R, Kedir E, Girma T, Berhane M, Admassu B, Friis H, Abera M, Olsen MF, Filteau S, Nitsch D, Yilma D, Wells JC, Andersen GS, Wibaek R. Associations of weight and body composition at birth with body composition and cardiometabolic markers in children aged 10 y: the Ethiopian infant anthropometry and body composition birth cohort study. Am J Clin Nutr 2023; 118:412-421. [PMID: 37328067 DOI: 10.1016/j.ajcnut.2023.06.010] [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: 01/19/2023] [Revised: 05/21/2023] [Accepted: 06/12/2023] [Indexed: 06/18/2023] Open
Abstract
BACKGROUND Although birth weight (BW) has been associated with later cardiovascular disease and type 2 diabetes, the role of birth fat mass (BFM) and birth fat-free mass (BFFM) on cardiometabolic health is unclear. OBJECTIVES To examine associations of BW, BFM, and BFFM with later anthropometry, body composition, abdominal fat, and cardiometabolic markers. METHODS Birth cohort data on standardized exposure variables (BW, BFM, and BFFM) and follow-up information at age 10 y on anthropometry, body composition, abdominal fat, and cardiometabolic markers were included. A linear regression analysis was used to assess associations of exposures with outcome variables, adjusting for maternal and child characteristics at birth and current body size in separate models. RESULTS Among 353 children, mean (SD) age was 9.8 (1.0) y, and 51.5% were boys. In the fully adjusted model, 1-SD higher BW and BFFM were associated with 0.81 cm (95% CI: 0.21, 1.41 cm) and 1.25 cm (95% CI: 0.64, 1.85 cm) greater height at 10 y, respectively. The 1-SD higher BW and BFM were associated with 0.32 kg/m2 (95% CI: 0.14, 0.51 kg/m2) and 0.42 kg/m2 (95% CI: 0.25, 0.59 kg/m2) greater fat mass index at 10 y, respectively. In addition, 1-SD higher BW and BFFM were associated with 0.22 kg/m2 (95% CI: 0.09, 0.34 kg/m2) greater FFM index, whereas a 1-SD greater BFM was associated with a 0.05 cm greater subcutaneous adipose tissue (95% CI: 0.01, 0.11 cm). Furthermore, 1-SD higher BW and BFFM were associated with 10.3% (95% CI: 1.4%, 20.0%) and 8.3% (95% CI: -0.5%, 17.9%) greater insulin, respectively. Similarly, 1-SD higher BW and BFFM were associated with 10.0% (95% CI: 0.9%, 20.0%) and 8.5% (95% CI: -0.6%, 18.5%) greater homeostasis model assessment of insulin resistance, respectively. CONCLUSIONS BW and BFFM rather than BFM are predictors of height and FFM index at 10 y. Children with higher BW and BFFM showed higher insulin concentrations and homeostasis model assessment of insulin resistance at 10 y of age. This trial was registered at ISRCTN as ISRCTN46718296.
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Affiliation(s)
- Bikila S Megersa
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark; Clinical Research, Steno Diabetes Center Copenhagen, Herlev, Denmark.
| | - Beakal Zinab
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark; Department of Nutrition and Dietetics, Faculty of Public Health, Jimma University, Jimma, Ethiopia
| | - Rahma Ali
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark; Department of Population and Family Health, Jimma University, Jimma, Ethiopia
| | - Elias Kedir
- Department of Radiology, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Tsinuel Girma
- Department of Pediatrics and Child Health, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Melkamu Berhane
- Department of Pediatrics and Child Health, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Bitiya Admassu
- Department of Population and Family Health, Jimma University, Jimma, Ethiopia
| | - Henrik Friis
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark
| | - Mubarek Abera
- Department of Psychiatry, Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Mette F Olsen
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg, Denmark; Department of Infectious Diseases, Rigshospitalet, Copenhagen, Denmark
| | - Suzanne Filteau
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Dorothea Nitsch
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Daniel Yilma
- Department of Internal Medicine; Faculty of Medical Sciences, Jimma University, Jimma, Ethiopia
| | - Jonathan Ck Wells
- Childhood Nutrition Research Center, Population Policy and Practice Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | | | - Rasmus Wibaek
- Clinical Research, Steno Diabetes Center Copenhagen, Herlev, Denmark
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Soukar I, Amarasinghe A, Pile LA. Coordination of cross-talk between metabolism and epigenetic regulation by the SIN3 complex. Enzymes 2023; 53:33-68. [PMID: 37748836 DOI: 10.1016/bs.enz.2023.06.001] [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] [Indexed: 09/27/2023]
Abstract
Post-translational modifications of histone proteins control the expression of genes. Metabolites from central and one-carbon metabolism act as donor moieties to modify histones and regulate gene expression. Thus, histone modification and gene regulation are connected to the metabolite status of the cell. Histone modifiers, such as the SIN3 complex, regulate genes involved in proliferation and metabolism. The SIN3 complex contains a histone deacetylase and a histone demethylase, which regulate the chromatin landscape and gene expression. In this chapter, we review the cross-talk between metabolic pathways that produce donor moieties, and epigenetic complexes regulating proliferation and metabolic genes. This cross-talk between gene regulation and metabolism is tightly controlled, and disruption of this cross-talk leads to metabolic diseases. We discuss promising therapeutics that directly regulate histone modifiers, and can affect the metabolic status of the cell, alleviating some metabolic diseases.
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Affiliation(s)
- Imad Soukar
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States
| | - Anjalie Amarasinghe
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States
| | - Lori A Pile
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States.
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Meng X, Tian C, Xie C, Zhang H, Wang H, Zhang M, Lu Z, Li D, Chen L, Gao T. Punicalagin protects against impaired skeletal muscle function in high-fat-diet-induced obese mice by regulating TET2. Food Funct 2023; 14:3126-3138. [PMID: 36929898 DOI: 10.1039/d2fo03926e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
The function of skeletal muscles can be markedly hampered by obesity. Ten-eleven translocation 2 (TET2) is an important therapeutic target for ameliorating skeletal muscle dysfunction. Our previous study revealed that punicalagin (PUN) regulated TET2 in obese mice; however, whether PUN can prevent obesity-induced skeletal muscle dysfunction by regulating TET2 remains unclear. In the present study, 40 male C57BL/6J mice were divided into four groups (n = 10 per group): the control (CON) group, the high-fat-diet (HFD, negative control) group, the resveratrol (positive control) group, and the PUN group. The ratio of gastrocnemius weight to body weight (0.0097 ± 0.0016 vs. 0.0080 ± 0.0011), the grip strength (120.04 g ± 11.10 vs. 98.89 g ± 2.79), and the muscle fiber count (314.56 per visual field ± 92.73 vs. 236.44 per visual field ± 50.58) in the PUN group were higher than those in the HFD group. Moreover, the levels of the TET2 protein, 5-hydroxymethylcytosine (5hmC), and 5-formylcytosine (5fC) in skeletal muscles were significantly lower in the HFD group than those in the CON group; these levels increased after PUN treatment. Compared with the HFD group, the phosphorylation level of AMP-activated protein kinase (AMPK) α in the PUN group was higher, which effectively enhanced the stability of the TET2 protein. Besides, the ratio of (succinic acid + fumaric acid)/α-ketoglutarate in the PUN group was lower than that in the HFD group (43.21 ± 12.42 vs. 99.19 ± 37.07), and a lower ratio led to a higher demethylase activity of TET2 in the PUN group than in the HFD group. This study highlights that PUN supplementation protects against obesity-induced impairment of the skeletal muscle function via regulating the protein stability of TET2 and the enzymatic activity of TET2 demethylation.
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Affiliation(s)
- Xiangyuan Meng
- School of Public Health, Qingdao University, Qingdao 266071, China.
- Institute of Nutrition & Health, Qingdao University, Qingdao 266021, China
| | - Chunyan Tian
- School of Public Health, Qingdao University, Qingdao 266071, China.
- Institute of Nutrition & Health, Qingdao University, Qingdao 266021, China
| | - Chenqi Xie
- School of Public Health, Qingdao University, Qingdao 266071, China.
- Institute of Nutrition & Health, Qingdao University, Qingdao 266021, China
| | - Hao Zhang
- School of Public Health, Qingdao University, Qingdao 266071, China.
| | - Haoyu Wang
- School of Public Health, Qingdao University, Qingdao 266071, China.
| | - Mai Zhang
- School of Public Health, Qingdao University, Qingdao 266071, China.
| | - Zhenquan Lu
- School of Public Health, Qingdao University, Qingdao 266071, China.
| | - Duo Li
- School of Public Health, Qingdao University, Qingdao 266071, China.
- Institute of Nutrition & Health, Qingdao University, Qingdao 266021, China
| | - Lei Chen
- School of Public Health, Qingdao University, Qingdao 266071, China.
- Institute of Nutrition & Health, Qingdao University, Qingdao 266021, China
| | - Tianlin Gao
- School of Public Health, Qingdao University, Qingdao 266071, China.
- Institute of Nutrition & Health, Qingdao University, Qingdao 266021, China
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8
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Kaimala S, Ansari SA, Emerald BS. DNA methylation in the pathogenesis of type 2 diabetes. VITAMINS AND HORMONES 2023; 122:147-169. [PMID: 36863792 DOI: 10.1016/bs.vh.2022.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Type 2 diabetes (T2D) is a metabolic disease characterized by the development of β-cell dysfunction with hepatic, muscular and adipose tissue insulin resistance. Although the molecular mechanisms leading to its development are not entirely known, investigations of its causes reveal a multifactorial contribution to its development and progression in most cases. In addition, regulatory interactions mediated by epigenetic modifications such as DNA methylation, histone tail modifications and regulatory RNAs have been found to play a significant role in the etiology of T2D. In this chapter, we discuss the role of DNA methylation and its dynamics in the development of the pathological features of T2D.
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Affiliation(s)
- Suneesh Kaimala
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Suraiya Anjum Ansari
- Department of Biochemistry, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, Abu Dhabi, United Arab Emirates; Zayed Center for Health Sciences, United Arab Emirates University, Al Ain, Abu Dhabi, United Arab Emirates
| | - Bright Starling Emerald
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, Abu Dhabi, United Arab Emirates; Zayed Center for Health Sciences, United Arab Emirates University, Al Ain, Abu Dhabi, United Arab Emirates.
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9
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Hu S, Chen L, Zeng T, Wang W, Yan Y, Qiu K, Xie Y, Liao Y. DNA methylation profiling reveals novel pathway implicated in cardiovascular diseases of diabetes. Front Endocrinol (Lausanne) 2023; 14:1108126. [PMID: 36875456 PMCID: PMC9975499 DOI: 10.3389/fendo.2023.1108126] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 02/02/2023] [Indexed: 02/17/2023] Open
Abstract
OBJECTIVE Epigenetics was reported to mediate the effects of environmental risk factors on disease pathogenesis. We intend to unleash the role of DNA methylation modification in the pathological process of cardiovascular diseases in diabetes. METHODS We screened differentially methylated genes by methylated DNA immunoprecipitation chip (MeDIP-chip) among the enrolled participants. In addition, methylation-specific PCR (MSP) and gene expression validation in peripheral blood of participants were utilized to validate the DNA microarray findings. RESULTS Several aberrantly methylated genes have been explored, including phospholipase C beta 1 (PLCB1), cam kinase I delta (CAMK1D), and dopamine receptor D5 (DRD5), which participated in the calcium signaling pathway. Meanwhile, vascular endothelial growth factor B (VEGFB), placental growth factor (PLGF), fatty acid transport protein 3 (FATP3), coagulation factor II, thrombin receptor (F2R), and fatty acid transport protein 4 (FATP4) which participated in vascular endothelial growth factor receptor (VEGFR) signaling pathway were also found. After MSP and gene expression validation in peripheral blood of participants, PLCB1, PLGF, FATP4, and VEGFB were corroborated. CONCLUSION This study revealed that the hypomethylation of VEGFB, PLGF, PLCB1, and FATP4 might be the potential biomarkers. Besides, VEGFR signaling pathway regulated by DNA methylation might play a role in the cardiovascular diseases' pathogenesis of diabetes.
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Affiliation(s)
- Shengqing Hu
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Lulu Chen
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Tianshu Zeng
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Wenyi Wang
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Yan Yan
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Kangli Qiu
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Yajuan Xie
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
| | - Yunfei Liao
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Clinical Research Center for Diabetes and Metabolic Disorders, Wuhan, China
- *Correspondence: Yunfei Liao,
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10
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A pilot investigation of genetic and epigenetic variation of FKBP5 and response to exercise intervention in African women with obesity. Sci Rep 2022; 12:11771. [PMID: 35817784 PMCID: PMC9273786 DOI: 10.1038/s41598-022-15678-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 06/28/2022] [Indexed: 11/23/2022] Open
Abstract
We investigated gluteal (GSAT) and abdominal subcutaneous adipose tissue (ASAT) DNA methylation of FKBP5 in response to a 12-week intervention in African women with obesity, as well as the effect of the rs1360780 single nucleotide polymorphism (SNP) on FKBP5 methylation, gene expression and post-exercise training adaptations in obesity and metabolic related parameters. Exercise (n = 19) participants underwent 12-weeks of supervised aerobic and resistance training while controls (n = 12) continued their usual behaviours. FKBP5 methylation was measured in GSAT and ASAT using pyrosequencing. SNP and gene expression analyses were conducted using quantitative real-time PCR. Exercise training induced FKBP5 hypermethylation at two CpG dinucleotides within intron 7. When stratified based on the rs1360780 SNP, participants with the CT genotype displayed FKBP5 hypermethylation in GSAT (p < 0.05), and ASAT displayed in both CC and CT carriers. CC allele carriers displayed improved cardiorespiratory fitness, insulin sensitivity, gynoid fat mass, and waist circumference (p < 0.05) in response to exercise training, and these parameters were attenuated in women with the CT genotype. These findings provide a basis for future studies in larger cohorts, which should assess whether FKBP5 methylation and/or genetic variants such as the rs1360780 SNP could have a significant impact on responsiveness to exercise interventions.
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11
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Ling C, Bacos K, Rönn T. Epigenetics of type 2 diabetes mellitus and weight change - a tool for precision medicine? Nat Rev Endocrinol 2022; 18:433-448. [PMID: 35513492 DOI: 10.1038/s41574-022-00671-w] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/29/2022] [Indexed: 12/12/2022]
Abstract
Pioneering studies performed over the past few decades demonstrate links between epigenetics and type 2 diabetes mellitus (T2DM), the metabolic disorder with the most rapidly increasing prevalence in the world. Importantly, these studies identified epigenetic modifications, including altered DNA methylation, in pancreatic islets, adipose tissue, skeletal muscle and the liver from individuals with T2DM. As non-genetic factors that affect the risk of T2DM, such as obesity, unhealthy diet, physical inactivity, ageing and the intrauterine environment, have been associated with epigenetic modifications in healthy individuals, epigenetics probably also contributes to T2DM development. In addition, genetic factors associated with T2DM and obesity affect the epigenome in human tissues. Notably, causal mediation analyses found DNA methylation to be a potential mediator of genetic associations with metabolic traits and disease. In the past few years, translational studies have identified blood-based epigenetic markers that might be further developed and used for precision medicine to help patients with T2DM receive optimal therapy and to identify patients at risk of complications. This Review focuses on epigenetic mechanisms in the development of T2DM and the regulation of body weight in humans, with a special focus on precision medicine.
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Affiliation(s)
- Charlotte Ling
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden.
| | - Karl Bacos
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Tina Rönn
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
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12
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TLR4 activation inhibits the proliferation and osteogenic differentiation of skeletal muscle stem cells by downregulating LGI1. J Physiol Biochem 2022; 78:667-678. [PMID: 35294724 DOI: 10.1007/s13105-022-00888-3] [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: 05/18/2021] [Accepted: 03/03/2022] [Indexed: 10/18/2022]
Abstract
Skeletal muscle stem cells (SMSCs) are vital to the growth, maintenance, and repair of the muscles; emerging evidence has indicated that Toll-like receptor 4 (TLR4) can potentially regulate muscle regeneration. In present study, in vitro and in vivo experiments were performed to explore the correlation of TLR4 with leucine-rich glioma-inactivated 1 (LGI1) as well as their effects on the proliferation and osteogenesis potential of SMSCs. In order to examine the regulatory mechanisms of TLR4 and LGI1 in SMSCs, the obtained cells were treated with lipopolysaccharide (LPS, used as an activator of TLR4) of different concentration at different time points as well as the siRNA against LGI1. Subsequently, a series of detection was undertaken in order to measure the proliferation and differentiation potential of SMSCs, which involved detection of the related factors, cell activity, and the sphere-forming capability. Following LPS treatment, the increased TLR4 expression and reduced LGI1 expression were observed. Consequently, we also discovered that Erk signaling pathway was inactivated and cell proliferation and osteogenesis capabilities declined, presented by the downregulation of related factors such as cyclin B1 and runt-related transcription factor 2. Moreover, the cell activity and sphere-formation performance of SMSCs were also declined. These results were also validated in rats with cecal ligation and perforation-induced rat models with sepsis. In conclusion, the present study reveals a regulatory mechanism in SMSCs whereby LGI1 expression is reduced by TLR4, thus impeding cell proliferation and osteogenesis, highlighting TLR4 as a potential therapeutic target against many diseases related to SMSCs.
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13
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Zhou X, Yan Q, Liu L, Chen G, Tang S, He Z, Tan Z. Maternal undernutrition alters the skeletal muscle development and methylation of myogenic factors in goat offspring. Anim Biosci 2022; 35:847-857. [PMID: 34991223 PMCID: PMC9066034 DOI: 10.5713/ab.21.0285] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 11/08/2021] [Indexed: 11/27/2022] Open
Abstract
Objective The effects of maternal undernutrition during midgestation on muscle fiber histology, myosin heavy chain (MyHC) expression, methylation modification of myogenic factors, and the mammalian target of rapamycin (mTOR) signaling pathway in the skeletal muscles of prenatal and postnatal goats were examined. Methods Twenty-four pregnant goats were assigned to a control (100% of the nutrients requirement, n = 12) or a restricted group (60% of the nutrients requirement, n = 12) between 45 and 100 days of gestation. Descendants were harvested at day 100 of gestation and at day 90 after birth to collect the femoris muscle tissue. Results Maternal undernutrition increased (p<0.05) the fiber area of the vastus muscle in the fetuses and enhanced (p<0.01) the proportions of MyHCI and MyHCIIA fibers in offspring, while the proportion of MyHCIIX fibers was decreased (p<0.01). DNA methylation at the +530 cytosine-guanine dinucleotide (CpG) site of the myogenic factor 5 (MYF5) promoter in restricted fetuses was increased (p<0.05), but the methylation of the MYF5 gene at the +274,280 CpG site and of the myogenic differentiation (MYOD) gene at the +252 CpG site in restricted kids was reduced (p<0.05). mTOR protein signals were downregulated (p<0.05) in the restricted offspring. Conclusion Maternal undernutrition altered the muscle fiber type in offspring, but its relationship with methylation in the promoter regions of myogenic genes needs to be elucidated.
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Affiliation(s)
- Xiaoling Zhou
- College of Animal Science, Tarim University, Alaer 843300, China.,Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha 410125, China
| | - Qiongxian Yan
- Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha 410125, China.,Hunan Co-Innovation Center for Utilization of Botanical Functional Ingredients, Changsha 410128, China
| | - Liling Liu
- College of Animal Science, Tarim University, Alaer 843300, China
| | - Genyuan Chen
- College of Animal Science, Tarim University, Alaer 843300, China
| | - Shaoxun Tang
- Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha 410125, China.,University of Chinese Academy of Science, Beijing 100049, China
| | - Zhixiong He
- Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha 410125, China.,Hunan Co-Innovation Center for Utilization of Botanical Functional Ingredients, Changsha 410128, China
| | - Zhiliang Tan
- Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha 410125, China.,Hunan Co-Innovation Center of Animal Production Safety, CICAPS, Changsha 410128, China
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14
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Xu B, Liu C, Zhang H, Zhang R, Tang M, Huang Y, Jin L, Xu L, Hu C, Jia W. Skeletal muscle-targeted delivery of Fgf6 protects mice from diet-induced obesity and insulin resistance. JCI Insight 2021; 6:e149969. [PMID: 34491915 PMCID: PMC8525645 DOI: 10.1172/jci.insight.149969] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 09/01/2021] [Indexed: 12/14/2022] Open
Abstract
Obesity, a major health care issue, is characterized by metabolic abnormalities in multiple tissues, including the skeletal muscle. Although dysregulation of skeletal muscle metabolism can strongly influence the homeostasis of systemic energy, the underlying mechanism remains unclear. We found promoter hypermethylation and decreased gene expression of fibroblast growth factor 6 (FGF6) in the skeletal muscle of individuals with obesity using high-throughput sequencing. Reduced binding of the cyclic AMP responsive element binding protein-1 (CREB1) to the hypermethylated cyclic AMP response element, which is a regulatory element upstream of the transcription initiation site, partially contributed to the downregulation of FGF6 in patients with obesity. Overexpression of Fgf6 in mouse skeletal muscle stimulated protein synthesis, activating the mammalian target of rapamycin pathway, and prevented the increase in weight and the development of insulin resistance in high-fat diet–fed mice. Thus, our findings highlight the role played by Fgf6 in regulating skeletal muscle hypertrophy and whole-body metabolism, indicating its potential in strategies aimed at preventing and treating metabolic diseases.
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Affiliation(s)
- Bo Xu
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Caizhi Liu
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Hong Zhang
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Rong Zhang
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Mengyang Tang
- Department of Endocrinology and Metabolism, Fengxian Central Hospital Affiliated to the Southern Medical University, Shanghai, China
| | - Yan Huang
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Li Jin
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Lingyan Xu
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Cheng Hu
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Department of Endocrinology and Metabolism, Fengxian Central Hospital Affiliated to the Southern Medical University, Shanghai, China
| | - Weiping Jia
- Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Clinical Center for Diabetes, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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15
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Wang S, Cao Q, Cui X, Jing J, Li F, Shi H, Xue B, Shi H. Dnmt3b Deficiency in Myf5 +-Brown Fat Precursor Cells Promotes Obesity in Female Mice. Biomolecules 2021; 11:1087. [PMID: 34439754 PMCID: PMC8393658 DOI: 10.3390/biom11081087] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/20/2021] [Accepted: 07/21/2021] [Indexed: 11/17/2022] Open
Abstract
Increasing energy expenditure through activation of brown fat thermogenesis is a promising therapeutic strategy for the treatment of obesity. Epigenetic regulation has emerged as a key player in regulating brown fat development and thermogenic program. Here, we aimed to study the role of DNA methyltransferase 3b (Dnmt3b), a DNA methyltransferase involved in de novo DNA methylation, in the regulation of brown fat function and energy homeostasis. We generated a genetic model with Dnmt3b deletion in brown fat-skeletal lineage precursor cells (3bKO mice) by crossing Dnmt3b-floxed (fl/fl) mice with Myf5-Cre mice. Female 3bKO mice are prone to diet-induced obesity, which is associated with decreased energy expenditure. Dnmt3b deficiency also impairs cold-induced thermogenic program in brown fat. Surprisingly, further RNA-seq analysis reveals a profound up-regulation of myogenic markers in brown fat of 3bKO mice, suggesting a myocyte-like remodeling in brown fat. Further motif enrichment and pyrosequencing analysis suggests myocyte enhancer factor 2C (Mef2c) as a mediator for the myogenic alteration in Dnmt3b-deficient brown fat, as indicated by decreased methylation at its promoter. Our data demonstrate that brown fat Dnmt3b is a key regulator of brown fat development, energy metabolism and obesity in female mice.
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Affiliation(s)
- Shirong Wang
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (S.W.); (Q.C.); (X.C.); (J.J.); (F.L.)
| | - Qiang Cao
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (S.W.); (Q.C.); (X.C.); (J.J.); (F.L.)
| | - Xin Cui
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (S.W.); (Q.C.); (X.C.); (J.J.); (F.L.)
| | - Jia Jing
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (S.W.); (Q.C.); (X.C.); (J.J.); (F.L.)
| | - Fenfen Li
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (S.W.); (Q.C.); (X.C.); (J.J.); (F.L.)
| | - Huidong Shi
- Georgia Cancer Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA;
| | - Bingzhong Xue
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (S.W.); (Q.C.); (X.C.); (J.J.); (F.L.)
| | - Hang Shi
- Department of Biology, Georgia State University, Atlanta, GA 30303, USA; (S.W.); (Q.C.); (X.C.); (J.J.); (F.L.)
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16
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Davegårdh C, Säll J, Benrick A, Broholm C, Volkov P, Perfilyev A, Henriksen TI, Wu Y, Hjort L, Brøns C, Hansson O, Pedersen M, Würthner JU, Pfeffer K, Nilsson E, Vaag A, Stener-Victorin E, Pircs K, Scheele C, Ling C. VPS39-deficiency observed in type 2 diabetes impairs muscle stem cell differentiation via altered autophagy and epigenetics. Nat Commun 2021; 12:2431. [PMID: 33893273 PMCID: PMC8065135 DOI: 10.1038/s41467-021-22068-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 02/25/2021] [Indexed: 02/02/2023] Open
Abstract
Insulin resistance and lower muscle quality (strength divided by mass) are hallmarks of type 2 diabetes (T2D). Here, we explore whether alterations in muscle stem cells (myoblasts) from individuals with T2D contribute to these phenotypes. We identify VPS39 as an important regulator of myoblast differentiation and muscle glucose uptake, and VPS39 is downregulated in myoblasts and myotubes from individuals with T2D. We discover a pathway connecting VPS39-deficiency in human myoblasts to impaired autophagy, abnormal epigenetic reprogramming, dysregulation of myogenic regulators, and perturbed differentiation. VPS39 knockdown in human myoblasts has profound effects on autophagic flux, insulin signaling, epigenetic enzymes, DNA methylation and expression of myogenic regulators, and gene sets related to the cell cycle, muscle structure and apoptosis. These data mimic what is observed in myoblasts from individuals with T2D. Furthermore, the muscle of Vps39+/- mice display reduced glucose uptake and altered expression of genes regulating autophagy, epigenetic programming, and myogenesis. Overall, VPS39-deficiency contributes to impaired muscle differentiation and reduced glucose uptake. VPS39 thereby offers a therapeutic target for T2D.
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Affiliation(s)
- Cajsa Davegårdh
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Johanna Säll
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Anna Benrick
- Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- School of Health Sciences, University of Skövde, Skövde, Sweden
| | - Christa Broholm
- Diabetes and Bone-metabolic Research Unit, Department of Endocrinology, Rigshospitalet, Copenhagen, Denmark
| | - Petr Volkov
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Alexander Perfilyev
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Tora Ida Henriksen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Yanling Wu
- Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Line Hjort
- Diabetes and Bone-metabolic Research Unit, Department of Endocrinology, Rigshospitalet, Copenhagen, Denmark
- Department of Obstetrics, Rigshospitalet, Copenhagen, Denmark
| | - Charlotte Brøns
- Diabetes and Bone-metabolic Research Unit, Department of Endocrinology, Rigshospitalet, Copenhagen, Denmark
| | - Ola Hansson
- Genomics, Diabetes and Endocrinology Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden
- Finnish Institute of Molecular Medicine, University of Helsinki, Helsinki, Finland
| | - Maria Pedersen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | | | - Klaus Pfeffer
- Institute of Medical Microbiology and Hospital Hygiene, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Emma Nilsson
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Allan Vaag
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | | | - Karolina Pircs
- Laboratory of Molecular Neurogenetics, Department of Experimental Medical Science, Wallenberg Neuroscience Center and Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Camilla Scheele
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte Ling
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden.
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17
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Jönsson J, Renault KM, García-Calzón S, Perfilyev A, Estampador AC, Nørgaard K, Lind MV, Vaag A, Hjort L, Michaelsen KF, Carlsen EM, Franks PW, Ling C. Lifestyle Intervention in Pregnant Women With Obesity Impacts Cord Blood DNA Methylation, Which Associates With Body Composition in the Offspring. Diabetes 2021; 70:854-866. [PMID: 33431374 PMCID: PMC7980200 DOI: 10.2337/db20-0487] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 01/01/2021] [Indexed: 02/06/2023]
Abstract
Maternal obesity may lead to epigenetic alterations in the offspring and might thereby contribute to disease later in life. We investigated whether a lifestyle intervention in pregnant women with obesity is associated with epigenetic variation in cord blood and body composition in the offspring. Genome-wide DNA methylation was analyzed in cord blood from 208 offspring from the Treatment of Obese Pregnant women (TOP)-study, which includes pregnant women with obesity randomized to lifestyle interventions comprised of physical activity with or without dietary advice versus control subjects (standard of care). DNA methylation was altered at 379 sites, annotated to 370 genes, in cord blood from offspring of mothers following a lifestyle intervention versus control subjects (false discovery rate [FDR] <5%) when using the Houseman reference-free method to correct for cell composition, and three of these sites were significant based on Bonferroni correction. These 370 genes are overrepresented in gene ontology terms, including response to fatty acids and adipose tissue development. Offspring of mothers included in a lifestyle intervention were born with more lean mass compared with control subjects. Methylation at 17 sites, annotated to, for example, DISC1, GBX2, HERC2, and HUWE1, partially mediates the effect of the lifestyle intervention on lean mass in the offspring (FDR <5%). Moreover, 22 methylation sites were associated with offspring BMI z scores during the first 3 years of life (P < 0.05). Overall, lifestyle interventions in pregnant women with obesity are associated with epigenetic changes in offspring, potentially influencing the offspring's lean mass and early growth.
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Affiliation(s)
- Josefine Jönsson
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Kristina M Renault
- Department of Obstetrics and Gynecology, Hvidovre Hospital, University of Copenhagen, Copenhagen, Denmark
- Department of Obstetrics, Juliane Marie Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Sonia García-Calzón
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain
| | - Alexander Perfilyev
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
| | - Angela C Estampador
- Genetic and Molecular Epidemiology Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Malmö, Sweden
| | | | - Mads Vendelbo Lind
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
| | - Allan Vaag
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | - Line Hjort
- Department of Obstetrics, Center for Pregnant Women with Diabetes, Rigshospitalet, Copenhagen, Denmark
| | - Kim F Michaelsen
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
| | - Emma Malchau Carlsen
- Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Frederiksberg, Denmark
- Department of Pediatrics, Copenhagen University Hospital Hvidovre, Hvidovre, Denmark
| | - Paul W Franks
- Genetic and Molecular Epidemiology Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Malmö, Sweden
| | - Charlotte Ling
- Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
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18
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Rugowska A, Starosta A, Konieczny P. Epigenetic modifications in muscle regeneration and progression of Duchenne muscular dystrophy. Clin Epigenetics 2021; 13:13. [PMID: 33468200 PMCID: PMC7814631 DOI: 10.1186/s13148-021-01001-z] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 12/14/2020] [Indexed: 02/08/2023] Open
Abstract
Duchenne muscular dystrophy (DMD) is a multisystemic disorder that affects 1:5000 boys. The severity of the phenotype varies dependent on the mutation site in the DMD gene and the resultant dystrophin expression profile. In skeletal muscle, dystrophin loss is associated with the disintegration of myofibers and their ineffective regeneration due to defective expansion and differentiation of the muscle stem cell pool. Some of these phenotypic alterations stem from the dystrophin absence-mediated serine-threonine protein kinase 2 (MARK2) misplacement/downregulation in activated muscle stem (satellite) cells and neuronal nitric oxide synthase loss in cells committed to myogenesis. Here, we trace changes in DNA methylation, histone modifications, and expression of regulatory noncoding RNAs during muscle regeneration, from the stage of satellite cells to myofibers. Furthermore, we describe the abrogation of these epigenetic regulatory processes due to changes in signal transduction in DMD and point to therapeutic treatments increasing the regenerative potential of diseased muscles based on this acquired knowledge.
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Affiliation(s)
- Anna Rugowska
- Institute of Human Biology and Evolution, Faculty of Biology, Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 6, 61-614, Poznan, Poland
| | - Alicja Starosta
- Institute of Human Biology and Evolution, Faculty of Biology, Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 6, 61-614, Poznan, Poland
| | - Patryk Konieczny
- Institute of Human Biology and Evolution, Faculty of Biology, Adam Mickiewicz University, ul. Uniwersytetu Poznańskiego 6, 61-614, Poznan, Poland.
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19
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Zhang X, Sun W, He L, Wang L, Qiu K, Yin J. Global DNA methylation pattern involved in the modulation of differentiation potential of adipogenic and myogenic precursors in skeletal muscle of pigs. Stem Cell Res Ther 2020; 11:536. [PMID: 33308295 PMCID: PMC7731745 DOI: 10.1186/s13287-020-02053-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 11/26/2020] [Indexed: 12/13/2022] Open
Abstract
Background Skeletal muscle is a complex and heterogeneous tissue accounting for approximately 40% of body weight. Excessive ectopic lipid accumulation in the muscle fascicle would undermine the integrity of skeletal muscle in humans but endow muscle with marbling-related characteristics in farm animals. Therefore, the balance of myogenesis and adipogenesis is of great significance for skeletal muscle homeostasis. Significant DNA methylation occurs during myogenesis and adipogenesis; however, DNA methylation pattern of myogenic and adipogenic precursors derived from skeletal muscle remains unknown yet. Methods In this study, reduced representation bisulfite sequencing was performed to analyze genome-wide DNA methylation of adipogenic and myogenic precursors derived from the skeletal muscle of neonatal pigs. Integrated analysis of DNA methylation and transcription profiles was further conducted. Based on the results of pathway enrichment analysis, myogenic precursors were transfected with CACNA2D2-overexpression plasmids to explore the function of CACNA2D2 in myogenic differentiation. Results As a result, 11,361 differentially methylated regions mainly located in intergenic region and introns were identified. Furthermore, 153 genes with different DNA methylation and gene expression level between adipogenic and myogenic precursors were characterized. Subsequently, pathway enrichment analysis revealed that DNA methylation programing was involved in the regulation of adipogenic and myogenic differentiation potential through mediating the crosstalk among pathways including focal adhesion, regulation of actin cytoskeleton, MAPK signaling pathway, and calcium signaling pathway. In particular, we characterized a new role of CACNA2D2 in inhibiting myogenic differentiation by suppressing JNK/MAPK signaling pathway. Conclusions This study depicted a comprehensive landmark of DNA methylome of skeletal muscle-derived myogenic and adipogenic precursors, highlighted the critical role of CACNA2D2 in regulating myogenic differentiation, and illustrated the possible regulatory ways of DNA methylation on cell fate commitment and skeletal muscle homeostasis. Supplementary information The online version contains supplementary material available at 10.1186/s13287-020-02053-3.
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Affiliation(s)
- Xin Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.,State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Wenjuan Sun
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Linjuan He
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Liqi Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Kai Qiu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Jingdong Yin
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
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20
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Veroneze R, Cruz Tfaile Corbi S, Roque da Silva B, de S. Rocha C, V. Maurer-Morelli C, Perez Orrico SR, Cirelli JA, Von Zuben FJ, Mantuaneli Scarel-Caminaga R. Using association rule mining to jointly detect clinical features and differentially expressed genes related to chronic inflammatory diseases. PLoS One 2020; 15:e0240269. [PMID: 33007040 PMCID: PMC7531780 DOI: 10.1371/journal.pone.0240269] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 09/23/2020] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE It is increasingly common to find patients affected by a combination of type 2 diabetes mellitus (T2DM), dyslipidemia (DLP) and periodontitis (PD), which are chronic inflammatory diseases. More studies able to capture unknown relationships among these diseases will contribute to raise biological and clinical evidence. The aim of this study was to apply association rule mining (ARM) to discover whether there are consistent patterns of clinical features (CFs) and differentially expressed genes (DEGs) relevant to these diseases. We intend to reinforce the evidence of the T2DM-DLP-PD-interplay and demonstrate the ARM ability to provide new insights into multivariate pattern discovery. METHODS We utilized 29 clinical glycemic, lipid and periodontal parameters from 143 patients divided into five groups based upon diabetic, dyslipidemic and periodontal conditions (including a healthy-control group). At least 5 patients from each group were selected to assess the transcriptome by microarray. ARM was utilized to assess relevant association rules considering: (i) only CFs; and (ii) CFs+DEGs, such that the identified DEGs, specific to each group of patients, were submitted to gene expression validation by quantitative polymerase chain reaction (qPCR). RESULTS We obtained 78 CF-rules and 161 CF+DEG-rules. Based on their clinical significance, Periodontists and Geneticist experts selected 11 CF-rules, and 5 CF+DEG-rules. From the five DEGs prospected by the rules, four of them were validated by qPCR as significantly different from the control group; and two of them validated the previous microarray findings. CONCLUSIONS ARM was a powerful data analysis technique to identify multivariate patterns involving clinical and molecular profiles of patients affected by specific pathological panels. ARM proved to be an effective mining approach to analyze gene expression with the advantage of including patient's CFs. A combination of CFs and DEGs might be employed in modeling the patient's chance to develop complex diseases, such as those studied here.
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Affiliation(s)
- Rosana Veroneze
- Department of Computer Engineering and Industrial Automation, School of Electrical and Computer Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Sâmia Cruz Tfaile Corbi
- Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, School of Dentistry at Araraquara, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Bárbara Roque da Silva
- Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, School of Dentistry at Araraquara, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Cristiane de S. Rocha
- Department of Medical Genetics and Genomic Medicine, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Cláudia V. Maurer-Morelli
- Department of Medical Genetics and Genomic Medicine, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Silvana Regina Perez Orrico
- Department of Diagnosis and Surgery, School of Dentistry at Araraquara, São Paulo State University (UNESP), Araraquara, SP, Brazil
- Advanced Research Center in Medicine, Union of the Colleges of the Great Lakes (UNILAGO), São José do Rio Preto, SP, Brazil
| | - Joni A. Cirelli
- Department of Diagnosis and Surgery, School of Dentistry at Araraquara, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Fernando J. Von Zuben
- Department of Computer Engineering and Industrial Automation, School of Electrical and Computer Engineering, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Raquel Mantuaneli Scarel-Caminaga
- Department of Morphology, Genetics, Orthodontics and Pediatric Dentistry, School of Dentistry at Araraquara, São Paulo State University (UNESP), Araraquara, SP, Brazil
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21
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Kang SW, Kidd MT, Kadhim HJ, Shouse S, Orlowski SK, Hiltz J, Anthony NB, Kuenzel WJ, Kong BC. Characterization of stress response involved in chicken myopathy. Gen Comp Endocrinol 2020; 295:113526. [PMID: 32540490 DOI: 10.1016/j.ygcen.2020.113526] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/28/2020] [Accepted: 06/03/2020] [Indexed: 12/19/2022]
Abstract
Myopathies (Woody Breast (WB) and White Striping (WS)) of broiler chickens have been correlated with fast growth. Recent studies reported that localized hypoxia and metabolic impairment may involve in these myopathies of birds. In order to better understand the stress response mechanisms affecting myopathies of broilers, the aim of this study was to examine effects of WB and both WB/WS on stress hormone corticosterone (CORT) levels and expressional changes of stress response genes including glucocorticoid (GC) receptor (GR), 11β-Hydroxysteroid dehydrogenase type 1 (11β-HSD1), DNA methylation regulators (DNMTs), and arginine vasotocin receptor 1a and 1b (V1aR, V1bR). Results of radioimmunoassay showed that CORT levels of WB and WB/WS birds were significantly higher compared to Con (p < 0.05), however, the combination of WB/WS was not significantly higher than WB birds, implying that the effects of WB and WS on CORT are not synergistic. Hepatic GR expression of both WB and WB/WS birds were significantly higher compared to Con (p < 0.05). However, GR expression levels in breast muscle of both WB and WB/WS birds were decreased compared to Con (p < 0.05). Hepatic 11β-HSD1 expression was increased only in WB/WS birds compared to Con birds with no significant difference between Con and WB birds. 11β-HSD1 expression was decreased and increased in WB and WB/WS birds compared to Con, respectively, in breast muscle (p < 0.05). DNMT1 expression was significantly decreased in both muscle and liver of WB birds, and in muscle of WB/WS birds, but not in liver of WB/WS birds, indicating differential effects of WS on the epigenetical stress response of muscle and liver compared to WB. V1aR expression was significantly increased in muscle of WB birds, and in liver of WB/WS birds compared to Con birds (p < 0.05). V1bR was not changed in muscle and liver of WB birds compared to Con birds. Taken together, results suggest that GC-induced myopathies occur in fast-growing broiler chickens and circulating CORT level might be a significant biochemical marker of myopathies (WB and WS) of birds. In addition, chronic stress responses in breast muscle and tissue-specific epigenetic changes of stress response genes by DNMTs may play a critical role in the occurrence of myopathies.
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Affiliation(s)
- Seong W Kang
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States.
| | - Michael T Kidd
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States
| | - Hakeem J Kadhim
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, United States
| | - Stephanie Shouse
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States
| | - Sara K Orlowski
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States
| | - Joseph Hiltz
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States
| | - Nickolas B Anthony
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States
| | - Wayne J Kuenzel
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States
| | - Byungwhi C Kong
- Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States
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22
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Ling C. Epigenetic regulation of insulin action and secretion - role in the pathogenesis of type 2 diabetes. J Intern Med 2020; 288:158-167. [PMID: 32363639 DOI: 10.1111/joim.13049] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/17/2020] [Accepted: 01/30/2020] [Indexed: 12/21/2022]
Abstract
The prevalence of type 2 diabetes (T2D) is rapidly increasing worldwide. Obesity, physical inactivity and ageing increase the risk of T2D. Epigenetic modifications can change due to environmental exposures and may thereby predispose to disease. This review aims at summarizing recent advances in epigenetics related to T2D, with a special focus on impaired insulin action and secretion in humans. There will be an emphasis on analyses in human tissues; both from T2D case-control cohorts and intervention studies. Current data support an important role for epigenetics in the pathogenesis of T2D. Numerous studies have found differential DNA methylation and gene expression in skeletal muscle, adipose tissue, the liver and pancreatic islets from subjects with T2D compared with nondiabetic controls. For example, PDX1 has increased DNA methylation and decreased expression in pancreatic islets from patients with T2D compared with nondiabetic controls. Nongenetic risk factors for T2D such as ageing, unhealthy diets and physical activity do also impact the epigenome in human tissues. Interestingly, physical activity altered DNA methylation of candidate genes for T2D such as THADA in muscle and FTO, KCNQ1 and TCF7L2 in adipose tissue. There is also a strong interaction between genetic and epigenetic factors that together seem to affect T2D. mQTL studies in human adipose tissue and pancreatic islets showed that SNPs associated with DNA methylation levels in numerous sites. Several of these SNPs are also associated with T2D. Recent data also support that DNA methylation of some sites in blood may be developed into biomarkers that predict T2D since methylation of, for example TXNIP, ABCG1 and SREBF1 associated with future T2D. Future studies should use this information for development of new therapies and biomarkers and thereby improve prediction, prevention and treatment of T2D and its complications.
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Affiliation(s)
- C Ling
- From the, Epigenetics and Diabetes Unit, Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, Malmö, Sweden
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23
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Prats-Puig A, García-Retortillo S, Puig-Parnau M, Vasileva F, Font-Lladó R, Xargay-Torrent S, Carreras-Badosa G, Mas-Parés B, Bassols J, López-Bermejo A. DNA Methylation Reorganization of Skeletal Muscle-Specific Genes in Response to Gestational Obesity. Front Physiol 2020; 11:938. [PMID: 32848869 PMCID: PMC7412435 DOI: 10.3389/fphys.2020.00938] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/13/2020] [Indexed: 12/25/2022] Open
Abstract
The goals were to investigate in umbilical cord tissue if gestational obesity: (1) was associated with changes in DNA methylation of skeletal muscle-specific genes; (2) could modulate the co-methylation interactions among these genes. Additionally, we assessed the associations between DNA methylation levels and infant's variables at birth and at age 6. DNA methylation was measured in sixteen pregnant women [8-gestational obesity group; 8-control group] in umbilical cord using the Infinium Methylation EPIC Bead Chip microarray. Differentially methylated CpGs were identified with Beta Regression Models [false discovery rate (FDR) < 0.05 and an Odds Ratio > 1.5 or < 0.67]. DNA methylation interactions between CpGs of skeletal muscle-specific genes were studied using data from Pearson correlation matrices. In order to quantify the interactions within each network, the number of links was computed. This identification analysis reported 38 differential methylated CpGs within skeletal muscle-specific genes (comprising 4 categories: contractibility, structure, myokines, and myogenesis). Compared to control group, gestational obesity (1) promotes hypermethylation in highly methylated genes and hypomethylation in low methylated genes; (2) CpGs in regions close to transcription sites and with high CpG density are hypomethylated while regions distant to transcriptions sites and with low CpG density are hypermethylated; (3) diminishes the number of total interactions in the co-methylation network. Interestingly, the associations between infant's fasting glucose at age 6 and MYL6, MYH11, TNNT3, TPM2, CXCL2, and NCAM1 were still relevant after correcting for multiple testing. In conclusion, our study showed a complex interaction between gestational obesity and the epigenetic status of muscle-specific genes in umbilical cord tissue. Additionally, gestational obesity may alter the functional co-methylation connectivity of CpG within skeletal muscle-specific genes interactions, our results revealing an extensive reorganization of methylation in response to maternal overweight. Finally, changes in methylation levels of skeletal muscle specific genes may have persistent effects on the offspring of mothers with gestational obesity.
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Affiliation(s)
- Anna Prats-Puig
- University School of Health and Sport (EUSES), University of Girona, Girona, Spain
| | - Sergi García-Retortillo
- University School of Health and Sport (EUSES), University of Girona, Girona, Spain
- Complex Systems in Sport, National Institute of Physical Education and Sport of Catalonia (INEFC), Universitat de Barcelona (UB), Barcelona, Spain
| | - Miquel Puig-Parnau
- University School of Health and Sport (EUSES), University of Girona, Girona, Spain
| | - Fidanka Vasileva
- Faculty of Physical Education, Sport and Health, Ss. Cyril and Methodius University, Skopje, North Macedonia
| | - Raquel Font-Lladó
- University School of Health and Sport (EUSES), University of Girona, Girona, Spain
| | - Sílvia Xargay-Torrent
- Pediatric Endocrinology, Girona Institute for Biomedical Research, Dr. Josep Trueta Hospital, Girona, Spain
| | - Gemma Carreras-Badosa
- Pediatric Endocrinology, Girona Institute for Biomedical Research, Dr. Josep Trueta Hospital, Girona, Spain
| | - Berta Mas-Parés
- Maternal & Fetal Metabolic Research, Girona Institute for Biomedical Research, Salt, Spain
| | - Judit Bassols
- Maternal & Fetal Metabolic Research, Girona Institute for Biomedical Research, Salt, Spain
| | - Abel López-Bermejo
- Pediatric Endocrinology, Girona Institute for Biomedical Research, Dr. Josep Trueta Hospital, Girona, Spain
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De Micheli AJ, Spector JA, Elemento O, Cosgrove BD. A reference single-cell transcriptomic atlas of human skeletal muscle tissue reveals bifurcated muscle stem cell populations. Skelet Muscle 2020; 10:19. [PMID: 32624006 PMCID: PMC7336639 DOI: 10.1186/s13395-020-00236-3] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 06/10/2020] [Indexed: 12/18/2022] Open
Abstract
Single-cell RNA-sequencing (scRNA-seq) facilitates the unbiased reconstruction of multicellular tissue systems in health and disease. Here, we present a curated scRNA-seq dataset of human muscle samples from 10 adult donors with diverse anatomical locations. We integrated ~ 22,000 single-cell transcriptomes using Scanorama to account for technical and biological variation and resolved 16 distinct populations of muscle-resident cells using unsupervised clustering of the data compendium. These cell populations included muscle stem/progenitor cells (MuSCs), which bifurcated into discrete "quiescent" and "early-activated" MuSC subpopulations. Differential expression analysis identified transcriptional profiles altered in the activated MuSCs including genes associated with aging, obesity, diabetes, and impaired muscle regeneration, as well as long non-coding RNAs previously undescribed in human myogenic cells. Further, we modeled ligand-receptor cell-communication interactions and observed enrichment of the TWEAK-FN14 pathway in activated MuSCs, a characteristic signature of muscle wasting diseases. In contrast, the quiescent MuSCs have enhanced expression of the EGFR receptor, a recognized human MuSC marker. This work provides a new benchmark reference resource to examine human muscle tissue heterogeneity and identify potential targets in MuSC diversity and dysregulation in disease contexts.
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Affiliation(s)
- Andrea J De Micheli
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Jason A Spector
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA
- Division of Plastic Surgery, Weill Cornell Medical College, New York, NY, 10021, USA
| | - Olivier Elemento
- Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Benjamin D Cosgrove
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853, USA.
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25
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Romagnoli C, Zonefrati R, Sharma P, Innocenti M, Cianferotti L, Brandi ML. Characterization of Skeletal Muscle Endocrine Control in an In Vitro Model of Myogenesis. Calcif Tissue Int 2020; 107:18-30. [PMID: 32107602 PMCID: PMC7271047 DOI: 10.1007/s00223-020-00678-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 02/14/2020] [Indexed: 02/08/2023]
Abstract
Skeletal muscle has remarkable regenerative abilities regulated by a highly orchestrated process involving the activation of cellular and molecular responses, which are dependent on satellite cells. These cells maintain the stem cell population and provide numerous myogenic cells that proliferate, differentiate, fuse and lead to new myofiber formation for a functional contractile tissue. We have isolated and characterized satellite cells obtained from human biopsies and established an in vitro model of myogenesis, evaluating muscle regeneration, monitoring the dynamic increases of the specific myogenic regulatory factors and the final formation of multinucleated myofibers. As the skeletal muscle is an endocrine tissue able of producing many substances that can act on distant organs, and it can be physiologically modulated by a variety of hormones, we embarked in a project of characterization of muscle cell endocrinology machinery. The expression of a large array of hormone receptors was quantified during the process of myogenesis. The results obtained showed a significant and generalized increase of all the tested hormone receptors along the process of differentiation of human cultured cells from myoblasts to myocytes. Interestingly, also the production of the myokine irisin increased in a parallel manner. These findings point to the human cultured myoblasts as an ideal model to characterize the skeletal muscle endocrine machinery and its hormonal regulation.
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Affiliation(s)
- Cecilia Romagnoli
- grid.8404.80000 0004 1757 2304Department of Experimental and Clinical Biomedical Sciences, University of Florence, Largo Palagi 1, 50139 Florence, Italy
| | - Roberto Zonefrati
- grid.8404.80000 0004 1757 2304Department of Experimental and Clinical Biomedical Sciences, University of Florence, Largo Palagi 1, 50139 Florence, Italy
| | - Preeti Sharma
- grid.8404.80000 0004 1757 2304Department of Experimental and Clinical Biomedical Sciences, University of Florence, Largo Palagi 1, 50139 Florence, Italy
| | - Marco Innocenti
- grid.8404.80000 0004 1757 2304Department of Health Sciences, University of Florence, Viale Pieraccini 6, 50139 Florence, Italy
| | - Luisella Cianferotti
- grid.8404.80000 0004 1757 2304Department of Experimental and Clinical Biomedical Sciences, University of Florence, Largo Palagi 1, 50139 Florence, Italy
| | - Maria Luisa Brandi
- grid.8404.80000 0004 1757 2304Department of Experimental and Clinical Biomedical Sciences, University of Florence, Largo Palagi 1, 50139 Florence, Italy
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26
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Obri A, Serra D, Herrero L, Mera P. The role of epigenetics in the development of obesity. Biochem Pharmacol 2020; 177:113973. [DOI: 10.1016/j.bcp.2020.113973] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022]
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27
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Bhattacharya D, Scimè A. Mitochondrial Function in Muscle Stem Cell Fates. Front Cell Dev Biol 2020; 8:480. [PMID: 32612995 PMCID: PMC7308489 DOI: 10.3389/fcell.2020.00480] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 05/22/2020] [Indexed: 01/25/2023] Open
Abstract
Mitochondria are crucial organelles that control cellular metabolism through an integrated mechanism of energy generation via oxidative phosphorylation. Apart from this canonical role, it is also integral for ROS production, fatty acid metabolism and epigenetic remodeling. Recently, a role for the mitochondria in effecting stem cell fate decisions has gained considerable interest. This is important for skeletal muscle, which exhibits a remarkable property for regeneration following injury, owing to satellite cells (SCs), the adult myogenic stem cells. Mitochondrial function is associated with maintaining and dictating SC fates, linked to metabolic programming during quiescence, activation, self-renewal, proliferation and differentiation. Notably, mitochondrial adaptation might take place to alter SC fates and function in the presence of different environmental cues. This review dissects the contribution of mitochondria to SC operational outcomes, focusing on how their content, function, dynamics and adaptability work to influence SC fate decisions.
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Affiliation(s)
- Debasmita Bhattacharya
- Molecular, Cellular and Integrative Physiology, Faculty of Health, York University, Toronto, ON, Canada
| | - Anthony Scimè
- Molecular, Cellular and Integrative Physiology, Faculty of Health, York University, Toronto, ON, Canada
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28
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Ageing affects DNA methylation drift and transcriptional cell-to-cell variability in mouse muscle stem cells. Nat Commun 2019; 10:4361. [PMID: 31554804 PMCID: PMC6761124 DOI: 10.1038/s41467-019-12293-4] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 09/03/2019] [Indexed: 12/29/2022] Open
Abstract
Age-related tissue alterations have been associated with a decline in stem cell number and function. Although increased cell-to-cell variability in transcription or epigenetic marks has been proposed to be a major hallmark of ageing, little is known about the molecular diversity of stem cells during ageing. Here we present a single cell multi-omics study of mouse muscle stem cells, combining single-cell transcriptome and DNA methylome profiling. Aged cells show a global increase of uncoordinated transcriptional heterogeneity biased towards genes regulating cell-niche interactions. We find context-dependent alterations of DNA methylation in aged stem cells. Importantly, promoters with increased methylation heterogeneity are associated with increased transcriptional heterogeneity of the genes they drive. These results indicate that epigenetic drift, by accumulation of stochastic DNA methylation changes in promoters, is associated with the degradation of coherent transcriptional networks during stem cell ageing. Furthermore, our observations also shed light on the mechanisms underlying the DNA methylation clock. Age-related tissue alterations have been associated with a decline in stem cell number and function. Here the authors report a single cell multi-omics study of mouse muscle stem cells, combining single cell transcriptome and DNA methylome profiling and find that aged cells have a global increase of uncoordinated transcriptional heterogeneity biased towards genes regulating cell-niche interactions.
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29
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Dynamic changes of muscle insulin sensitivity after metabolic surgery. Nat Commun 2019; 10:4179. [PMID: 31519890 PMCID: PMC6744497 DOI: 10.1038/s41467-019-12081-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 08/15/2019] [Indexed: 02/07/2023] Open
Abstract
The mechanisms underlying improved insulin sensitivity after surgically-induced weight loss are still unclear. We monitored skeletal muscle metabolism in obese individuals before and over 52 weeks after metabolic surgery. Initial weight loss occurs in parallel with a decrease in muscle oxidative capacity and respiratory control ratio. Persistent elevation of intramyocellular lipid intermediates, likely resulting from unrestrained adipose tissue lipolysis, accompanies the lack of rapid changes in insulin sensitivity. Simultaneously, alterations in skeletal muscle expression of genes involved in calcium/lipid metabolism and mitochondrial function associate with subsequent distinct DNA methylation patterns at 52 weeks after surgery. Thus, initial unfavorable metabolic changes including insulin resistance of adipose tissue and skeletal muscle precede epigenetic modifications of genes involved in muscle energy metabolism and the long-term improvement of insulin sensitivity. Surgical weight-loss interventions improve insulin sensitivity via incompletely understood mechanisms. Here the authors assess skeletal muscle epigenetic changes in individuals with obesity following metabolic surgery and compare them with data from individuals without obesity.
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30
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Vera-Pérez B, Arribas MI, Vicente-Salar N, Reig JA, Roche E. DNA methylation profile of different clones of human adipose stem cells does not allow to predict their differentiation potential. J Histotechnol 2019; 42:183-192. [PMID: 31476985 DOI: 10.1080/01478885.2019.1655962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Human adipose stem cells can differentiate into various mesodermic lineages, including adipogenic, osteogenic, chondrogenic, myogenic and endothelial pathways. In addition, these cells types possess immunomodulatory properties, potentially useful for autoimmune and autoinflammatory diseases. However, single-cell expanded clones have shown that the cells can present a variety of differentiation potential, which may be partly due to epigenetic differences among them. The objective of this study was to assess if DNA methylation plays a role in the differentiation potential observed between different cell clones obtained from the same donor. To this end, the methylation profile of five clonal cell lines of human adipose stem cells obtained by liposuction from two donors was analyzed. Previous reports demonstrated that cell lines 1.7 and 1.22 from Donor 1 and 3.5 from Donor 3 were adipogenic-osteogenic, but not cell lines 1.10 and 3.10. The genes analyzed were neuronal, endothelial, myogenic, osteogenic, adipogenic, extracellular matrix, cell cycle, cytoskeleton and metabolic enzymes. All clones analyzed in this study displayed a similar pattern of methylation in most of the gene families: 85.5% were hypomethylated genes and 14.5% hypermethylated. In conclusion, the methylation pattern of the 1113 genes studied in this report was not a consistent tool to identify the differentiation potential of human adipose stem cells.
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Affiliation(s)
- Beatriz Vera-Pérez
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel Hernandez, Elche (Alicante), Spain
| | - María I Arribas
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel Hernandez, Elche (Alicante), Spain
| | - Nestor Vicente-Salar
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel Hernandez, Elche (Alicante), Spain
| | - Juan A Reig
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel Hernandez, Elche (Alicante), Spain
| | - Enrique Roche
- Biochemistry and Cell Therapy Unit, Institute of Bioengineering, University Miguel Hernandez, Elche (Alicante), Spain.,CIBERobn (Fisiopatología de la Obesidad y la Nutrición CB12/03/30038) Instituto de Salud Carlos III, Spain.,Department of Applied Biology-Nutrition, University Miguel Hernandez, Alicante Institute for Health and Biomedical Research (ISABIAL Foundation), Alicante, Spain
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31
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Li F, Sheng Z, Lan H, Xu J, Li J. Downregulated CHI3L1 alleviates skeletal muscle stem cell injury in a mouse model of sepsis. IUBMB Life 2019; 72:214-225. [PMID: 31463997 DOI: 10.1002/iub.2156] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Accepted: 08/05/2019] [Indexed: 01/03/2023]
Abstract
Sepsis is an acute systemic inflammatory response of the body to microbial infection and a life-threatening condition associated with multiple organ failure. Recent data suggest that sepsis survivors present with long-term myopathy due to the dysfunction of skeletal muscle stem cells and satellite cells. Accumulating studies have implicated chitinase-3-like-1 protein (CHI3L1) in a variety of infectious diseases, specifically sepsis. Therefore, the aim of the present study is to elucidate the potential mechanism by which CHI3L1 is involved in the injury of skeletal muscle stem cells in mouse models of sepsis. An in vitro cell model was developed by lipopolysaccharide (LPS) and in vivo mouse model of sepsis was induced by CRP-like protein (CLP). To elucidate the biological significance behind the silencing of CHI3L1, modeled skeletal muscle stem cells and mice were treated with siRNA against CHI3L1 or overexpressed CHI3L1. Highly expressed CHI3L1 was found in skeletal muscle tissues of mice with sepsis. Besides, siRNA-mediated silencing of CHI3L1 was revealed to increase Bcl-2 expression along with cell proliferation, while diminishing Bax expression, cell apopstosis as well as serum levels of TNF-α, IL-1β, INF-γ, IL-10, and IL-6. Taken conjointly, this present study provided evidence suggesting that downregulation of CHI3L1 has the potential to prevent the injury of skeletal muscle stem cells in mice with sepsis. Collectively, CHI3L1 may serve as a valuable therapeutic strategy in alleviating sepsis.
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Affiliation(s)
- Fuxing Li
- Intensive Care Unit, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Zhiyong Sheng
- Intensive Care Unit, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Haibing Lan
- Intensive Care Unit, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Jianning Xu
- Intensive Care Unit, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
| | - Juxiang Li
- Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China
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Damen MSMA, Ballak D, Sapinsley Z, Bai X, Chan ED, Seals DR, Popa CD, Joosten LAB. Transgenic mice expressing human IL-32 develop adipokine profiles resembling those of obesity-induced metabolic changes. Cytokine 2019; 125:154793. [PMID: 31398626 DOI: 10.1016/j.cyto.2019.154793] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 07/22/2019] [Accepted: 07/26/2019] [Indexed: 01/02/2023]
Abstract
Low-grade inflammation is associated with the development of insulin resistance in obese individuals. The present study aims to provide additional evidence strengthening the role of interleukin (IL)-32 in this key process. Using an IL-32 transgenic (IL-32tg) mouse model, we observed that IL-32tg fed a normal diet had greater body weight, due to greater accumulation of white adipose tissue (WAT) along with larger sized adipocytes. This led to metabolic consequences, with significant higher leptin levels and a trend towards hyperinsulinemia, indicating a phenotype resembling the metabolic syndrome. Adipocytes of IL-32tg mice were more prone to induce a pro-inflammatory response locally, which would be expected when predisposed to insulin resistance and type2 diabetes mellitus (T2D). In conclusion, our study provides novel evidence of a direct contribution of IL-32 to pathophysiological perturbations within the adipose tissue, possibly contributing to the metabolic syndrome that precedes frank insulin resistance and T2D. Future research should focus on the role of IL-32 in the obesity epidemic.
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Affiliation(s)
- Michelle S M A Damen
- Department of Internal Medicine and Radboud Centre for Infectious Diseases (RCI), 6525GA Nijmegen, the Netherlands.
| | - Dov Ballak
- Department of Internal Medicine and Radboud Centre for Infectious Diseases (RCI), 6525GA Nijmegen, the Netherlands; University of Colorado, Department of Medicine, 12700 E 19th Ave, B-168, Aurora, Colorado 80045, United States
| | - Zackary Sapinsley
- University of Colorado, Department of Medicine, 12700 E 19th Ave, B-168, Aurora, Colorado 80045, United States
| | - Xiyuan Bai
- University of Colorado, Department of Medicine, 12700 E 19th Ave, B-168, Aurora, Colorado 80045, United States; Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health, Denver, CO, United States; Academic Affairs, National Jewish Health, Denver, CO, United States; Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, CO, United States
| | - Edward D Chan
- University of Colorado, Department of Medicine, 12700 E 19th Ave, B-168, Aurora, Colorado 80045, United States; Division of Pulmonary, Critical Care, and Sleep Medicine, National Jewish Health, Denver, CO, United States; Academic Affairs, National Jewish Health, Denver, CO, United States; Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, CO, United States
| | - Douglas R Seals
- University of Colorado, Department of Medicine, 12700 E 19th Ave, B-168, Aurora, Colorado 80045, United States
| | - Calin D Popa
- Department of Rheumatology, Radboud University Medical Centre, 6525 GA Nijmegen, the Netherlands; Sint Maartenskliniek Nijmegen, the Netherlands
| | - Leo A B Joosten
- Department of Internal Medicine and Radboud Centre for Infectious Diseases (RCI), 6525GA Nijmegen, the Netherlands
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Yang Q, Wu F, Wang F, Cai K, Zhang Y, Sun Q, Zhao X, Gui Y, Li Q. Impact of DNA methyltransferase inhibitor 5-azacytidine on cardiac development of zebrafish in vivo and cardiomyocyte proliferation, apoptosis, and the homeostasis of gene expression in vitro. J Cell Biochem 2019; 120:17459-17471. [PMID: 31271227 DOI: 10.1002/jcb.29010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 04/15/2019] [Accepted: 04/18/2019] [Indexed: 12/15/2022]
Abstract
Cardiac development is a peculiar process involving coordinated cellular differentiation, migration, proliferation, and apoptosis. DNA methylation plays a key role in genomic stability, tissue-specific gene expression, cell proliferation, and apoptosis. Hypomethylation in the global genome has been reported in cardiovascular diseases. However, little is known about the impact and specific mechanism of global hypomethylation on cardiomyocytes. In the present study, we explored the impact of DNA methyltransferase inhibitors 5-azacytidine on cardiac development. In vivo experiment showed that hypomethylation of zebrafish embryos with 5-azacytidine exposure significantly reduced survival, induced malformations, and delayed general development process. Furthermore, zebrafish embryos injected with 5-azacytidine developed pericardial edema, ventricular volume reduction, looping deformity, and reduction in heart rate and ventricular shortening fraction. Cardiomyocytes treated with 5-azacytidine in vitro decreased proliferation and induced apoptosis in a concentration-dependent manner. Furthermore, 5-azacytidine treatment in cardiomyocytes resulted in 20 downregulated genes expression and two upregulated genes expression in 45 candidate genes, which indicated that DNA methylation functions as a bidirectional modulator in regulating gene expression. In conclusion, these results show the regulative effects of the epigenetic modifier 5-azacytidine in cardiac development of zebrafish embryos in vivo and cardiomyocyte proliferation and apoptosis and the homeostasis of gene expression in vitro, which offer a novel understanding of aberrant DNA methylation in the etiology of cardiovascular disease.
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Affiliation(s)
- Qian Yang
- Shanghai Key Laboratory of Birth Defect, Translational Medical Center for Development and Disease, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Cardiovascular Center, Children's Hospital of Fudan University, Shanghai, China
| | - Fang Wu
- Shanghai Key Laboratory of Birth Defect, Translational Medical Center for Development and Disease, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Cardiovascular Center, Children's Hospital of Fudan University, Shanghai, China
| | - Feng Wang
- Shanghai Key Laboratory of Birth Defect, Translational Medical Center for Development and Disease, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Cardiovascular Center, Children's Hospital of Fudan University, Shanghai, China
| | - Ke Cai
- Cardiovascular Center, Children's Hospital of Fudan University, Shanghai, China
| | - Yawen Zhang
- Shanghai Key Laboratory of Birth Defect, Translational Medical Center for Development and Disease, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Cardiovascular Center, Children's Hospital of Fudan University, Shanghai, China
| | - Quanya Sun
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Xiaolong Zhao
- Department of Endocrinology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yonghao Gui
- Shanghai Key Laboratory of Birth Defect, Translational Medical Center for Development and Disease, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China.,Cardiovascular Center, Children's Hospital of Fudan University, Shanghai, China
| | - Qiang Li
- Shanghai Key Laboratory of Birth Defect, Translational Medical Center for Development and Disease, Institute of Pediatrics, Children's Hospital of Fudan University, Shanghai, China
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Ling C, Rönn T. Epigenetics in Human Obesity and Type 2 Diabetes. Cell Metab 2019; 29:1028-1044. [PMID: 30982733 PMCID: PMC6509280 DOI: 10.1016/j.cmet.2019.03.009] [Citation(s) in RCA: 452] [Impact Index Per Article: 90.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/05/2019] [Accepted: 03/18/2019] [Indexed: 12/16/2022]
Abstract
Epigenetic mechanisms control gene activity and the development of an organism. The epigenome includes DNA methylation, histone modifications, and RNA-mediated processes, and disruption of this balance may cause several pathologies and contribute to obesity and type 2 diabetes (T2D). This Review summarizes epigenetic signatures obtained from human tissues of relevance for metabolism-i.e., adipose tissue, skeletal muscle, pancreatic islets, liver, and blood-in relation to obesity and T2D. Although this research field is still young, these comprehensive data support not only a role for epigenetics in disease development, but also epigenetic alterations as a response to disease. Genetic predisposition, as well as aging, contribute to epigenetic variability, and several environmental factors, including exercise and diet, further interact with the human epigenome. The reversible nature of epigenetic modifications holds promise for future therapeutic strategies in obesity and T2D.
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Affiliation(s)
- Charlotte Ling
- Epigenetics and Diabetes Unit, Department of Clinical Sciences Malmö, Lund University Diabetes Centre, Scania University Hospital, Malmö, Sweden.
| | - Tina Rönn
- Epigenetics and Diabetes Unit, Department of Clinical Sciences Malmö, Lund University Diabetes Centre, Scania University Hospital, Malmö, Sweden
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35
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Davegårdh C, Hall Wedin E, Broholm C, Henriksen TI, Pedersen M, Pedersen BK, Scheele C, Ling C. Sex influences DNA methylation and gene expression in human skeletal muscle myoblasts and myotubes. Stem Cell Res Ther 2019; 10:26. [PMID: 30646953 PMCID: PMC6332625 DOI: 10.1186/s13287-018-1118-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 12/07/2018] [Accepted: 12/20/2018] [Indexed: 12/12/2022] Open
Abstract
Background Sex differences are known to impact muscle phenotypes, metabolism, and disease risk. Skeletal muscle stem cells (satellite cells) are important for muscle repair and to maintain functional skeletal muscle. Here we studied, for the first time, effects of sex on DNA methylation and gene expression in primary human myoblasts (activated satellite cells) before and after differentiation into myotubes. Method We used an array-based approach to analyse genome-wide DNA methylation and gene expression in myoblasts and myotubes from 13 women and 13 men. The results were followed up with a reporter gene assay. Results Genome-wide DNA methylation and gene expression differences between the sexes were detected in both myoblasts and myotubes, on the autosomes as well as the X-chromosome, despite lack of exposure to sex hormones and other factors that differ between sexes. Pathway analysis revealed higher expression of oxidative phosphorylation and other metabolic pathways in myoblasts from women compared to men. Oxidative phosphorylation was also enriched among genes with higher expression in myotubes from women. Forty genes in myoblasts and 9 in myotubes had differences in both DNA methylation and gene expression between the sexes, including LAMP2 and SIRT1 in myoblasts and KDM6A in myotubes. Furthermore, increased DNA methylation of LAMP2 promoter had negative effects on reporter gene expression. Five genes (CREB5, RPS4X, SYAP1, XIST, and ZRSR2) showed differential DNA methylation and gene expression between the sexes in both myoblasts and myotubes. Interestingly, differences in DNA methylation and expression between women and men were also found during differentiation (myoblasts versus myotubes), e.g., in genes involved in energy metabolism. Interestingly, more DNA methylation changes occur in women compared to men on autosomes. Conclusion All together, we show that epigenetic and transcriptional differences exist in human myoblasts and myotubes as well as during differentiation between women and men. We believe that these intrinsic differences might contribute to sex dependent differences in muscular phenotypes. Electronic supplementary material The online version of this article (10.1186/s13287-018-1118-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Cajsa Davegårdh
- Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, 20502, Malmö, Sweden.
| | - Elin Hall Wedin
- Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, 20502, Malmö, Sweden
| | - Christa Broholm
- Department of Endocrinology, Rigshospitalet, 2100, Copenhagen, Denmark.,The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Tora Ida Henriksen
- Department of Endocrinology, Rigshospitalet, 2100, Copenhagen, Denmark.,The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Maria Pedersen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Bente Klarlund Pedersen
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Camilla Scheele
- The Centre of Inflammation and Metabolism and the Centre for Physical Activity Research, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,Novo Nordisk Foundation Center, Section for Basic Metabolic Research, Faculty of Health and Medical Science, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte Ling
- Department of Clinical Sciences, Lund University Diabetes Centre, Lund University, Scania University Hospital, 20502, Malmö, Sweden.
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36
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Ejarque M, Ceperuelo-Mallafré V, Serena C, Maymo-Masip E, Duran X, Díaz-Ramos A, Millan-Scheiding M, Núñez-Álvarez Y, Núñez-Roa C, Gama P, Garcia-Roves PM, Peinado MA, Gimble JM, Zorzano A, Vendrell J, Fernández-Veledo S. Adipose tissue mitochondrial dysfunction in human obesity is linked to a specific DNA methylation signature in adipose-derived stem cells. Int J Obes (Lond) 2018; 43:1256-1268. [PMID: 30262812 PMCID: PMC6760577 DOI: 10.1038/s41366-018-0219-6] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 08/23/2018] [Accepted: 09/02/2018] [Indexed: 02/07/2023]
Abstract
Background A functional population of adipocyte precursors, termed adipose-derived stromal/stem cells (ASCs), is crucial for proper adipose tissue (AT) expansion, lipid handling, and prevention of lipotoxicity in response to chronic positive energy balance. We previously showed that obese human subjects contain a dysfunctional pool of ASCs. Elucidation of the mechanisms underlying abnormal ASC function might lead to therapeutic interventions for prevention of lipotoxicity by improving the adipogenic capacity of ASCs. Methods Using epigenome-wide association studies, we explored the impact of obesity on the methylation signature of human ASCs and their differentiated counterparts. Mitochondrial phenotyping of lean and obese ASCs was performed. TBX15 loss- and gain-of-function experiments were carried out and western blotting and electron microscopy studies of mitochondria were performed in white AT biopsies from lean and obese individuals. Results We found that DNA methylation in adipocyte precursors is significantly modified by the obese environment, and adipogenesis, inflammation, and immunosuppression were the most affected pathways. Also, we identified TBX15 as one of the most differentially hypomethylated genes in obese ASCs, and genetic experiments revealed that TBX15 is a regulator of mitochondrial mass in obese adipocytes. Accordingly, morphological analysis of AT from obese subjects showed an alteration of the mitochondrial network, with changes in mitochondrial shape and number. Conclusions We identified a DNA methylation signature in adipocyte precursors associated with obesity, which has a significant impact on the metabolic phenotype of mature adipocytes.
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Affiliation(s)
- Miriam Ejarque
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain.,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Victoria Ceperuelo-Mallafré
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain.,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Carolina Serena
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain.,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Elsa Maymo-Masip
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain.,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Xevi Duran
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Angels Díaz-Ramos
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain.,Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Barcelona, Spain.,Departament de Bioquímica i Biomedicina Molecular, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Monica Millan-Scheiding
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain.,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Yaiza Núñez-Álvarez
- Health Sciences Research Institute Germans Trias i Pujol (IGTP)-Institute of Predictive and Personalized Medicine of Cancer (IMPPC), Badalona, Spain
| | - Catalina Núñez-Roa
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain.,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Pau Gama
- Department of Physiological Sciences II, Faculty of Medicine-University of Barcelona, Hospitalet del Llobregat, Barcelona, Spain
| | - Pablo M Garcia-Roves
- Department of Physiological Sciences II, Faculty of Medicine-University of Barcelona, Hospitalet del Llobregat, Barcelona, Spain
| | - Miquel A Peinado
- Health Sciences Research Institute Germans Trias i Pujol (IGTP)-Institute of Predictive and Personalized Medicine of Cancer (IMPPC), Badalona, Spain
| | - Jeffrey M Gimble
- LaCell LLC and Center for Stem Cell Research and Regenerative Medicine, School of Medicine, Tulane University, New Orleans, LA, USA
| | - Antonio Zorzano
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain.,Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Barcelona, Spain.,Departament de Bioquímica i Biomedicina Molecular, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Joan Vendrell
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain. .,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain.
| | - Sonia Fernández-Veledo
- Hospital Universitari de Tarragona Joan XXIII-Institut d´Investigació Sanitària Pere Virgili-Universitat Rovira i Virgili, Tarragona, Spain. .,CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain.
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37
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Davegårdh C, García-Calzón S, Bacos K, Ling C. DNA methylation in the pathogenesis of type 2 diabetes in humans. Mol Metab 2018; 14:12-25. [PMID: 29496428 PMCID: PMC6034041 DOI: 10.1016/j.molmet.2018.01.022] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 01/29/2018] [Accepted: 01/29/2018] [Indexed: 02/08/2023] Open
Abstract
Background Type 2 diabetes (T2D) is a multifactorial, polygenic disease caused by impaired insulin secretion and insulin resistance. Genome-wide association studies (GWAS) were expected to resolve a large part of the genetic component of diabetes; yet, the single nucleotide polymorphisms identified by GWAS explain less than 20% of the estimated heritability for T2D. There was subsequently a need to look elsewhere to find disease-causing factors. Mechanisms mediating the interaction between environmental factors and the genome, such as epigenetics, may be of particular importance in the pathogenesis of T2D. Scope of Review This review summarizes knowledge of the impact of epigenetics on the pathogenesis of T2D in humans. In particular, the review will focus on alterations in DNA methylation in four human tissues of importance for the disease; pancreatic islets, skeletal muscle, adipose tissue, and the liver. Case–control studies and studies examining the impact of non-genetic and genetic risk factors on DNA methylation in humans will be considered. These studies identified epigenetic changes in tissues from subjects with T2D versus non-diabetic controls. They also demonstrate that non-genetic factors associated with T2D such as age, obesity, energy rich diets, physical activity and the intrauterine environment impact the epigenome in humans. Additionally, interactions between genetics and epigenetics seem to influence the pathogenesis of T2D. Conclusions Overall, previous studies by our group and others support a key role for epigenetics in the growing incidence of T2D.
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Affiliation(s)
- Cajsa Davegårdh
- Epigenetics and Diabetes, Lund University Diabetes Centre (LUDC), Box 50332, 20213 Malmö, Sweden.
| | - Sonia García-Calzón
- Epigenetics and Diabetes, Lund University Diabetes Centre (LUDC), Box 50332, 20213 Malmö, Sweden
| | - Karl Bacos
- Epigenetics and Diabetes, Lund University Diabetes Centre (LUDC), Box 50332, 20213 Malmö, Sweden
| | - Charlotte Ling
- Epigenetics and Diabetes, Lund University Diabetes Centre (LUDC), Box 50332, 20213 Malmö, Sweden
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38
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Khacho M, Slack RS. Mitochondrial activity in the regulation of stem cell self-renewal and differentiation. Curr Opin Cell Biol 2017; 49:1-8. [DOI: 10.1016/j.ceb.2017.11.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 10/25/2017] [Accepted: 11/01/2017] [Indexed: 12/19/2022]
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39
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Nilsson E, Ling C. DNA methylation links genetics, fetal environment, and an unhealthy lifestyle to the development of type 2 diabetes. Clin Epigenetics 2017; 9:105. [PMID: 29026446 PMCID: PMC5627472 DOI: 10.1186/s13148-017-0399-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 08/29/2017] [Indexed: 01/09/2023] Open
Abstract
Type 2 diabetes is a complex trait with both environmental and hereditary factors contributing to the overall pathogenesis. One link between genes, environment, and disease is epigenetics influencing gene transcription and, consequently, organ function. Genome-wide studies have shown altered DNA methylation in tissues important for glucose homeostasis including pancreas, liver, skeletal muscle, and adipose tissue from subjects with type 2 diabetes compared with nondiabetic controls. Factors predisposing for type 2 diabetes including an adverse intrauterine environment, increasing age, overweight, physical inactivity, a family history of the disease, and an unhealthy diet have all shown to affect the DNA methylation pattern in target tissues for insulin resistance in humans. Epigenetics including DNA methylation may therefore improve our understanding of the type 2 diabetes pathogenesis, contribute to development of novel treatments, and be a useful tool to identify individuals at risk for developing the disease.
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Affiliation(s)
- Emma Nilsson
- Department of Clinical Sciences, Epigenetics and Diabetes Unit, Lund University Diabetes Centre, Scania University Hospital, Jan Waldenströms gata 35, 205 02 Malmö, Sweden
| | - Charlotte Ling
- Department of Clinical Sciences, Epigenetics and Diabetes Unit, Lund University Diabetes Centre, Scania University Hospital, Jan Waldenströms gata 35, 205 02 Malmö, Sweden
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40
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Zhu M, Liu Z, Gao M, Zhang Y, Li Y, Ling S, Zhang P, Zhao C, Jiang L, Liu Y, Li Q, Li D, Hu S, Li Y. The effect of Bu Zhong Yi Qi decoction on simulated weightlessness‑induced muscle atrophy and its mechanisms. Mol Med Rep 2017; 16:5165-5174. [PMID: 28849026 PMCID: PMC5647051 DOI: 10.3892/mmr.2017.7287] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Accepted: 05/11/2017] [Indexed: 12/17/2022] Open
Abstract
Microgravity has been previously demonstrated to induce skeletal muscle atrophy, loss of muscle force and disorders in myogenesis and metabolism. Current pharmacological strategies exhibit poor efficacy. Bu Zhong Yi Qi decoction (BZ) is a well-known traditional Chinese medicine decoction used for myasthenia gravis. In the present study, its effect on unloading induced muscle atrophy was investigated. The mousetail suspension model was used to simulate weightlessness induced muscle atrophy. The results indicated that BZ could significantly protect muscles from simulated weightlessness-induced atrophy. To elucidate the underlying mechanisms, drugCIPHER-CS methods were introduced to predict its potential targets, significantly enriched pathways and biological processes. The results demonstrated that the calcium signaling pathway, citrate cycle, biosynthetic and lipid metabolic process are affected by BZ. Among the targets, nuclear receptor corepressor 1 (NCoR1) is one of the most important proteins involved in myogenesis and metabolism. The results indicated that BZ significantly downregulated NCoR 1 expression, and further induced muscle differentiation and metabolism by regulating NCoR1-associated gene expression in vivo and in vitro. In summary, the present study indicated that may be effective in combating weightlessness-induced muscle atrophy. Combined with bioinformatics, the underlying mechanism for this decoction was investigated, which provided an improved understanding of this decoction.
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Affiliation(s)
- Mu Zhu
- Department of Chinese Materia Medica, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100019, P.R. China
| | - Zhongyang Liu
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, P.R. China
| | - Mingze Gao
- Department of Chinese Materia Medica, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100019, P.R. China
| | - Yan Zhang
- Department of Chinese Materia Medica, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100019, P.R. China
| | - Yuheng Li
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
| | - Shukuan Ling
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
| | - Pengfei Zhang
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
| | - Chenyang Zhao
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
| | - Lijun Jiang
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
| | - Yu Liu
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
| | - Qi Li
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
| | - Dong Li
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, Institute of Radiation Medicine, Beijing 102206, P.R. China
| | - Sumin Hu
- Department of Chinese Materia Medica, School of Preclinical Medicine, Beijing University of Chinese Medicine, Beijing 100019, P.R. China
| | - Yingxian Li
- State Key Laboratory of Space Medicine Fundamentals and Applications, China Astronaut Research and Training Center, Beijing 100094, P.R. China
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