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Du J, Wu Q, Bae EJ. Epigenetics of Skeletal Muscle Atrophy. Int J Mol Sci 2024; 25:8362. [PMID: 39125931 PMCID: PMC11312722 DOI: 10.3390/ijms25158362] [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: 07/02/2024] [Revised: 07/23/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
Skeletal muscle atrophy, characterized by diminished muscle strength and mass, arises from various causes, including malnutrition, aging, nerve damage, and disease-related secondary atrophy. Aging markedly escalates the prevalence of sarcopenia. Concurrently, the incidence of muscle atrophy significantly rises among patients with chronic ailments such as heart failure, diabetes, and chronic obstructive pulmonary disease (COPD). Epigenetics plays a pivotal role in skeletal muscle atrophy. Aging elevates methylation levels in the promoter regions of specific genes within muscle tissues. This aberrant methylation is similarly observed in conditions like diabetes, neurological disorders, and cardiovascular diseases. This study aims to explore the relationship between epigenetics and skeletal muscle atrophy, thereby enhancing the understanding of its pathogenesis and uncovering novel therapeutic strategies.
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Affiliation(s)
- Jiacheng Du
- Department of Biochemistry, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea
| | - Qian Wu
- Department of Biochemistry, Jeonbuk National University Medical School, Jeonju 54896, Republic of Korea
| | - Eun Ju Bae
- School of Pharmacy and Institute of New Drug Development, Jeonbuk National University, Jeonju 54896, Republic of Korea
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2
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Mei T, Hu Y, Zhang Y, Li Y. Hypoxia treatment and resistance training alters microRNA profiling in rats skeletal muscle. Sci Rep 2024; 14:8388. [PMID: 38600177 PMCID: PMC11006875 DOI: 10.1038/s41598-024-58996-7] [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: 10/11/2023] [Accepted: 04/05/2024] [Indexed: 04/12/2024] Open
Abstract
MicroRNAs (miRNAs) may play a crucial regulatory role in the process of muscle atrophy induced by high-altitude hypoxia and its amelioration through resistance training. However, research in this aspect is still lacking. Therefore, this study aimed to employ miRNA microarray analysis to investigate the expression profile of miRNAs in skeletal muscle from an animal model of hypoxia-induced muscle atrophy and resistance training aimed at mitigating muscle atrophy. The study utilized a simulated hypoxic environment (oxygen concentration at 11.2%) to induce muscle atrophy and established a rat model of resistance training using ladder climbing, with a total intervention period of 4 weeks. The miRNA expression profile revealed 9 differentially expressed miRNAs influenced by hypoxia (e.g., miR-341, miR-32-5p, miR-465-5p) and 14 differentially expressed miRNAs influenced by resistance training under hypoxic conditions (e.g., miR-338-5p, miR-203a-3p, miR-92b-3p) (∣log2(FC)∣ ≥ 1.5, p < 0.05). The differentially expressed miRNAs were found to target genes involved in muscle protein synthesis and degradation (such as Utrn, mdm2, eIF4E), biological processes (such as negative regulation of transcription from RNA polymerase II promoter, regulation of transcription, DNA-dependent), and signaling pathways (such as Wnt signaling pathway, MAPK signaling pathway, ubiquitin-mediated proteolysis, mTOR signaling pathway). This study provides a foundation for understanding and further exploring the molecular mechanisms underlying hypoxia-induced rats muscle atrophy and the mitigation of atrophy through resistance training.
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Affiliation(s)
- Tao Mei
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China
| | - Yang Hu
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China
| | - Ying Zhang
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China
| | - Yanchun Li
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China.
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3
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Livshits G, Kalinkovich A. Restoration of epigenetic impairment in the skeletal muscle and chronic inflammation resolution as a therapeutic approach in sarcopenia. Ageing Res Rev 2024; 96:102267. [PMID: 38462046 DOI: 10.1016/j.arr.2024.102267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/17/2024] [Accepted: 03/06/2024] [Indexed: 03/12/2024]
Abstract
Sarcopenia is an age-associated loss of skeletal muscle mass, strength, and function, accompanied by severe adverse health outcomes, such as falls and fractures, functional decline, high health costs, and mortality. Hence, its prevention and treatment have become increasingly urgent. However, despite the wide prevalence and extensive research on sarcopenia, no FDA-approved disease-modifying drugs exist. This is probably due to a poor understanding of the mechanisms underlying its pathophysiology. Recent evidence demonstrate that sarcopenia development is characterized by two key elements: (i) epigenetic dysregulation of multiple molecular pathways associated with sarcopenia pathogenesis, such as protein remodeling, insulin resistance, mitochondria impairments, and (ii) the creation of a systemic, chronic, low-grade inflammation (SCLGI). In this review, we focus on the epigenetic regulators that have been implicated in skeletal muscle deterioration, their individual roles, and possible crosstalk. We also discuss epidrugs, which are the pharmaceuticals with the potential to restore the epigenetic mechanisms deregulated in sarcopenia. In addition, we discuss the mechanisms underlying failed SCLGI resolution in sarcopenia and the potential application of pro-resolving molecules, comprising specialized pro-resolving mediators (SPMs) and their stable mimetics and receptor agonists. These compounds, as well as epidrugs, reveal beneficial effects in preclinical studies related to sarcopenia. Based on these encouraging observations, we propose the combination of epidrugs with SCLI-resolving agents as a new therapeutic approach for sarcopenia that can effectively attenuate of its manifestations.
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Affiliation(s)
- Gregory Livshits
- Department of Morphological Sciences, Adelson School of Medicine, Ariel University, Ariel 4077625, Israel; Department of Anatomy and Anthropology, Faculty of Medical and Health Sciences, School of Medicine, Tel-Aviv University, Tel-Aviv 6905126, Israel.
| | - Alexander Kalinkovich
- Department of Anatomy and Anthropology, Faculty of Medical and Health Sciences, School of Medicine, Tel-Aviv University, Tel-Aviv 6905126, Israel
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4
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Li L, Huang C, Pang J, Huang Y, Chen X, Chen G. Advances in research on cell models for skeletal muscle atrophy. Biomed Pharmacother 2023; 167:115517. [PMID: 37738794 DOI: 10.1016/j.biopha.2023.115517] [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: 07/06/2023] [Revised: 09/07/2023] [Accepted: 09/13/2023] [Indexed: 09/24/2023] Open
Abstract
Skeletal muscle, the largest organ in the human body, plays a crucial role in supporting and defending the body and is essential for movement. It also participates in regulating the processes of protein synthesis and degradation. Inhibition of protein synthesis and activation of degradation metabolism can both lead to the development of skeletal muscle atrophy, a pathological condition characterized by a decrease in muscle mass and fiber size. Many physiological and pathological conditions can cause a decline in muscle mass, but the underlying mechanisms of its pathogenesis remain incompletely understood, and the selection of treatment strategies and efficacy evaluations vary. Moreover, the early symptoms of this condition are often not apparent, making it easily overlooked in clinical practice. Therefore, it is necessary to develop and use cell models to understand the etiology and influencing factors of skeletal muscle atrophy. In this review, we summarize the methods used to construct skeletal muscle cell models, including hormone, inflammation, cachexia, genetic engineering, drug, and physicochemical models. We also analyze, compare, and evaluate the various construction and assessment methods.
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Affiliation(s)
- Liwei Li
- Guangdong Medical University, Wenming East Road 2, Xiashan District, Zhanjiang 524000, Guangdong, China
| | - Chunman Huang
- Guangdong Medical University, Wenming East Road 2, Xiashan District, Zhanjiang 524000, Guangdong, China
| | - Jingqun Pang
- Guangdong Medical University, Wenming East Road 2, Xiashan District, Zhanjiang 524000, Guangdong, China
| | - Yongbin Huang
- Guangdong Medical University, Wenming East Road 2, Xiashan District, Zhanjiang 524000, Guangdong, China
| | - Xinxin Chen
- Institute of Health Promotion and Medical Communication Studies, Affliated Hospital of Guangdong Medical University, South Renmin Road 57, Xiashan District, Zhanjiang 524000, Guangdong, China
| | - Guanghua Chen
- Orthopaedic Center, Affliated Hospital of Guangdong Medical University, South Renmin Road 57, Xiashan District, Zhanjiang 524000, Guangdong, China.
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5
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Ghafouri-Fard S, Askari A, Mahmud Hussen B, Taheri M, Kiani A. Sarcopenia and noncoding RNAs: A comprehensive review. J Cell Physiol 2023. [PMID: 37183312 DOI: 10.1002/jcp.31031] [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: 02/16/2023] [Revised: 04/18/2023] [Accepted: 04/24/2023] [Indexed: 05/16/2023]
Abstract
Sarcopenia is an elderly disease and is related to frailty and loss of muscle mass (atrophy) of older adults. The exact molecular mechanisms contributing to the pathogenesis of disease are yet to be discovered. In recent years, the role of noncoding RNAs in the pathogenesis of almost every kind of malignant and nonmalignant conditions is pinpointed. Regarding their regulatory function, there have been an increased number of studies on the role of noncoding RNAs in the progress of sarcopenia. In this manuscript, we review the role of microRNAs and long noncoding RNAs in development and progression of disease. We also discuss their potential as therapeutic targets in this condition.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arian Askari
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bashdar Mahmud Hussen
- Department of Clinical Analysis, College of Pharmacy, Hawler Medical University, Kurdistan Region, Iraq
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
| | - Arda Kiani
- Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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6
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Lezhava T, Khavinson V, Jokhadze T, Buadze T, Monaselidze J, Sigua T, Gaiozishvili M, Tsuleiskiri T. Epigenetic Activation of Ribosomal Cystrons in Chromatids of Acrocentric Chromosome 15th in Ductal Breast Cancer. Int J Pept Res Ther 2023. [DOI: 10.1007/s10989-023-10489-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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Jiao L, Liu Y, Yu XY, Pan X, Zhang Y, Tu J, Song YH, Li Y. Ribosome biogenesis in disease: new players and therapeutic targets. Signal Transduct Target Ther 2023; 8:15. [PMID: 36617563 PMCID: PMC9826790 DOI: 10.1038/s41392-022-01285-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 12/01/2022] [Accepted: 12/08/2022] [Indexed: 01/10/2023] Open
Abstract
The ribosome is a multi-unit complex that translates mRNA into protein. Ribosome biogenesis is the process that generates ribosomes and plays an essential role in cell proliferation, differentiation, apoptosis, development, and transformation. The mTORC1, Myc, and noncoding RNA signaling pathways are the primary mediators that work jointly with RNA polymerases and ribosome proteins to control ribosome biogenesis and protein synthesis. Activation of mTORC1 is required for normal fetal growth and development and tissue regeneration after birth. Myc is implicated in cancer development by enhancing RNA Pol II activity, leading to uncontrolled cancer cell growth. The deregulation of noncoding RNAs such as microRNAs, long noncoding RNAs, and circular RNAs is involved in developing blood, neurodegenerative diseases, and atherosclerosis. We review the similarities and differences between eukaryotic and bacterial ribosomes and the molecular mechanism of ribosome-targeting antibiotics and bacterial resistance. We also review the most recent findings of ribosome dysfunction in COVID-19 and other conditions and discuss the consequences of ribosome frameshifting, ribosome-stalling, and ribosome-collision. We summarize the role of ribosome biogenesis in the development of various diseases. Furthermore, we review the current clinical trials, prospective vaccines for COVID-19, and therapies targeting ribosome biogenesis in cancer, cardiovascular disease, aging, and neurodegenerative disease.
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Affiliation(s)
- Lijuan Jiao
- grid.263761.70000 0001 0198 0694Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123 P. R. China
| | - Yuzhe Liu
- grid.452829.00000000417660726Department of Orthopedics, the Second Hospital of Jilin University, Changchun, Jilin 130000 P. R. China
| | - Xi-Yong Yu
- grid.410737.60000 0000 8653 1072Key Laboratory of Molecular Target & Clinical Pharmacology and the NMPA State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, Guangdong 511436 P. R. China
| | - Xiangbin Pan
- grid.506261.60000 0001 0706 7839Department of Structural Heart Disease, National Center for Cardiovascular Disease, China & Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P. R. China ,Key Laboratory of Cardiovascular Appratus Innovation, Beijing, 100037 P. R. China
| | - Yu Zhang
- grid.263761.70000 0001 0198 0694Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123 P. R. China
| | - Junchu Tu
- grid.263761.70000 0001 0198 0694Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123 P. R. China
| | - Yao-Hua Song
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, National Clinical Research Center for Hematologic Diseases, the First Affiliated Hospital of Soochow University, Suzhou, P. R. China. .,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, P. R. China.
| | - Yangxin Li
- Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, 215123, P. R. China.
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Shrestha A, Dani M, Kemp P, Fertleman M. Acute Sarcopenia after Elective and Emergency Surgery. Aging Dis 2022; 13:1759-1769. [PMID: 36465176 PMCID: PMC9662269 DOI: 10.14336/ad.2022.0404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/04/2022] [Indexed: 04/12/2024] Open
Abstract
Sarcopenia is an increasingly recognised condition of loss of muscle mass and function. The European Working Group on Sarcopenia in Older People 2 (EWSOP2) updated their definition in 2018, emphasising the importance of low muscle strength in diagnosis. Acute sarcopenia has been arbitrarily defined as sarcopenia lasting less than 6 months. This review highlights the pathophysiology involved in muscle wasting following surgery, focussing on hormonal factors, inflammation, microRNAs, and oxidative stress. Biomarkers such as GDF-15, IGF-1 and various microRNAs may predict post-surgical muscle loss. The impact of existing sarcopenia on various types of surgery and incident muscle wasting following surgery is also described. The gaps in research found include the need for longitudinal studies looking in changes in muscle strength and quantity following surgery. Further work is needed to examine if biomarkers are replicated in other surgery to consolidate existing theories on the pathophysiology of muscle wasting.
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Affiliation(s)
- Alvin Shrestha
- Cutrale Perioperative and Ageing group, Imperial College London, London SW7 2BX, United Kingdom
| | - Melanie Dani
- Cutrale Perioperative and Ageing group, Imperial College London, London SW7 2BX, United Kingdom
| | - Paul Kemp
- National Lung and Health Institute, Imperial College London, London SW7 2BX, United Kingdom
| | - Michael Fertleman
- Cutrale Perioperative and Ageing group, Imperial College London, London SW7 2BX, United Kingdom
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Dato S, Crocco P, Iannone F, Passarino G, Rose G. Biomarkers of Frailty: miRNAs as Common Signatures of Impairment in Cognitive and Physical Domains. BIOLOGY 2022; 11:1151. [PMID: 36009778 PMCID: PMC9405439 DOI: 10.3390/biology11081151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 11/17/2022]
Abstract
The past years have seen an increasing concern about frailty, owing to the growing number of elderly people and the major impact of this syndrome on health and social care. The identification of frail people passes through the use of different tests and biomarkers, whose concerted analysis helps to stratify the populations of patients according to their risk profile. However, their efficiency in prognosis and their capability to reflect the multisystemic impairment of frailty is discussed. Recent works propose the use of miRNAs as biological hallmarks of physiological impairment in different organismal districts. Changes in miRNAs expression have been described in biological processes associated with phenotypic outcomes of frailty, opening intriguing possibilities for their use as biomarkers of fragility. Here, with the aim of finding reliable biomarkers of frailty, while considering its complex nature, we revised the current literature on the field, for uncovering miRNAs shared across physical and cognitive frailty domains. By applying in silico analyses, we retrieved the top-ranked shared miRNAs and their targets, finally prioritizing the most significant ones. From this analysis, ten miRNAs emerged which converge into two main biological processes: inflammation and energy homeostasis. Such markers, if validated, may offer promising capabilities for early diagnosis of frailty in the elderly population.
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Affiliation(s)
- Serena Dato
- Department of Biology, Ecology and Earth Sciences, University of Calabria, 87036 Rende, Italy; (P.C.); (F.I.); (G.P.); (G.R.)
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10
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Yedigaryan L, Gatti M, Marini V, Maraldi T, Sampaolesi M. Shared and Divergent Epigenetic Mechanisms in Cachexia and Sarcopenia. Cells 2022; 11:2293. [PMID: 35892590 PMCID: PMC9332174 DOI: 10.3390/cells11152293] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 01/27/2023] Open
Abstract
Significant loss of muscle mass may occur in cachexia and sarcopenia, which are major causes of mortality and disability. Cachexia represents a complex multi-organ syndrome associated with cancer and chronic diseases. It is often characterized by body weight loss, inflammation, and muscle and adipose wasting. Progressive muscle loss is also a hallmark of healthy aging, which is emerging worldwide as a main demographic trend. A great challenge for the health care systems is the age-related decline in functionality which threatens the independence and quality of life of elderly people. This biological decline can also be associated with functional muscle loss, known as sarcopenia. Previous studies have shown that microRNAs (miRNAs) play pivotal roles in the development and progression of muscle wasting in both cachexia and sarcopenia. These small non-coding RNAs, often carried in extracellular vesicles, inhibit translation by targeting messenger RNAs, therefore representing potent epigenetic modulators. The molecular mechanisms behind cachexia and sarcopenia, including the expression of specific miRNAs, share common and distinctive trends. The aim of the present review is to compile recent evidence about shared and divergent epigenetic mechanisms, particularly focusing on miRNAs, between cachexia and sarcopenia to understand a facet in the underlying muscle wasting associated with these morbidities and disclose potential therapeutic interventions.
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Affiliation(s)
- Laura Yedigaryan
- Translational Cardiomyology Laboratory, Stem Cell and Developmental Biology, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium; (L.Y.); (V.M.)
| | - Martina Gatti
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (M.G.); (T.M.)
| | - Vittoria Marini
- Translational Cardiomyology Laboratory, Stem Cell and Developmental Biology, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium; (L.Y.); (V.M.)
| | - Tullia Maraldi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (M.G.); (T.M.)
| | - Maurilio Sampaolesi
- Translational Cardiomyology Laboratory, Stem Cell and Developmental Biology, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium; (L.Y.); (V.M.)
- Histology and Medical Embryology Unit, Department of Anatomy, Histology, Forensic Medicine and Orthopedics, Sapienza University of Rome, 00185 Rome, Italy
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11
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Sun R, Liu J, Xu Y, Jiang L, Li Y, Zhong G, Yi X. Genome-Wide Identification and Stage-Specific Expression Profile Analysis Reveal the Function of Ribosomal Proteins for Oogenesis of Spodoptera litura. Front Physiol 2022; 13:943205. [PMID: 35812325 PMCID: PMC9259932 DOI: 10.3389/fphys.2022.943205] [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: 05/13/2022] [Accepted: 06/01/2022] [Indexed: 11/13/2022] Open
Abstract
Ribosomal proteins (Rps) are indispensable in ribosome biogenesis and protein synthesis, which tightly correlate with cell growth and proliferation in different physiological processes across species. Up to now, genes coding for Rps have been identified and studied in many species, however, their information still remains elusive in many insect species, especially in Spodoptera litura. In this study, 81 Rp genes were identified from S. litura genome and were mapped to their positions on the chromosomes. In addition, their physical and chemical properties, gene structure, phylogenetic relationships, targeted microRNAs were also analyzed. Gene ontology analysis disclosed that Rp genes were closely associated with processes related to ribosome biosynthesis, proteins translation processing, molecular binding activities. The quantitative real-time PCR (qRT-PCR) revealed expression profiles of Rp genes varied in different stages of oogenesis, and found that most Rp genes accumulated in previtellogenesis stage. This study described the comprehensive genome-wide analysis of Rp gene family in agricultural pests, which provided foundation for further characterizing the roles of Rps in oogenesis of insects, and some Rp genes may further serve as targets for innovative pest control.
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Affiliation(s)
- Ranran Sun
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Jin Liu
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Yuanhao Xu
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Liwei Jiang
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Yun Li
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Guohua Zhong
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
- *Correspondence: Guohua Zhong, ; Xin Yi,
| | - Xin Yi
- Key Laboratory of Crop Integrated Pest Management in South China, Ministry of Agriculture, South China Agricultural University, Guangzhou, China
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
- *Correspondence: Guohua Zhong, ; Xin Yi,
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Identification and characterization of circular RNAs in Longissimus dorsi muscle tissue from two goat breeds using RNA-Seq. Mol Genet Genomics 2022; 297:817-831. [DOI: 10.1007/s00438-022-01887-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/17/2022] [Indexed: 10/18/2022]
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13
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Sequence Requirements for miR-424-5p Regulating and Function in Cancers. Int J Mol Sci 2022; 23:ijms23074037. [PMID: 35409396 PMCID: PMC8999618 DOI: 10.3390/ijms23074037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/02/2022] [Accepted: 04/05/2022] [Indexed: 12/13/2022] Open
Abstract
MiRNAs (microRNAs) are the most abundant family of small noncoding RNAs in mammalian cells. Increasing evidence shows that miRNAs are crucial regulators of individual development and cell homeostasis by controlling various biological processes. Therefore, miRNA dysfunction can lead to human diseases, especially in cancers with high morbidity and mortality worldwide. MiRNAs play different roles in these processes. In recent years, studies have found that miR-424-5p is closely related to the occurrence, development, prognosis and treatment of tumors. This review discusses how miR-424-5p plays a role in different kinds of cancers from different stages of tumors, including its roles in (i) promoting or inhibiting tumorigenesis, (ii) regulating tumor development in the tumor microenvironment and (iii) participating in cancer chemotherapy. This review provides a deep discussion of the latest findings on miR-424-5p and its importance in cancer, as well as a mechanistic analysis of the role of miR-424-5p in various tissues through target gene verification and pathway analysis.
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Walsh CJ, Escudero King C, Gupta M, Plant PJ, Herridge MJ, Mathur S, Hu P, Correa J, Ahmed S, Bigot A, Dos Santos CC, Batt J. MicroRNA regulatory networks associated with abnormal muscle repair in survivors of critical illness. J Cachexia Sarcopenia Muscle 2022; 13:1262-1276. [PMID: 35092190 PMCID: PMC8977950 DOI: 10.1002/jcsm.12903] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 11/11/2021] [Accepted: 11/28/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Intensive care unit (ICU)-acquired weakness is characterized by muscle atrophy and impaired contractility that may persist after ICU discharge. Dysregulated muscle repair and regeneration gene co-expression networks are present in critical illness survivors with persistent muscle wasting and weakness. We aimed to identify microRNAs (miRs) regulating the gene networks and determine their role in the self-renewal of muscle in ICU survivors. METHODS Muscle whole-transcriptome expression was assessed with microarrays in banked quadriceps biopsies obtained at 7 days and 6 months post-ICU discharge from critically ill patients (n = 15) in the RECOVER programme and healthy individuals (n = 8). We conducted an integrated miR-messenger RNA analysis to identify miR/gene pairs associated with muscle recovery post-critical illness and evaluated their impact on myoblast proliferation and differentiation in human AB1167 and murine C2C12 cell lines in vitro. Select target genes were validated with quantitative PCR. RESULTS Twenty-two miRs were predicted to regulate the Day 7 post-ICU muscle transcriptome vs. controls. Thirty per cent of all differentially expressed genes shared a 3'UTR regulatory sequence for miR-424-3p/5p, which was 10-fold down-regulated in patients (P < 0.001) and correlated with quadriceps size (R = 0.86, P < 0.001), strength (R = 0.75, P = 0.007), and physical function (Functional Independence Measures motor subscore, R = 0.92, P < 0.001) suggesting its potential role as a master regulator of early recovery of muscle mass and strength following ICU discharge. Network analysis demonstrated enrichment for cellular respiration and muscle fate commitment/development related genes. At 6 months post-ICU discharge, a 14-miR expression signature, including miRs-490-3p and -744-5p, identified patients with muscle mass recovery vs. those with sustained atrophy. Constitutive overexpression of the novel miR-490-3p significantly inhibited AB1167 and C2C12 myoblast proliferation (cell count AB1167 miR-490-3p mimic or scrambled-miR transfected myoblasts 7926 ± 4060 vs. 14 159 ± 3515 respectively, P = 0.006; proportion Ki67-positive nuclei AB1167 miR-490-3p mimic or scrambled-miR transfected myoblasts 0.38 ± 0.07 vs. 0.54 ± 0.06 respectively, P < 0.001; proliferating cell nuclear antigen expression AB1167 miR-490-3p mimic or scrambled-miR transfected myoblasts 11.48 ± 1.97 vs. 16.75 ± 1.19 respectively, P = 0.040). Constitutive overexpression of miR-744-5p, a known regulator of myogenesis, significantly inhibited AB1167 and C2C12 myoblast differentiation (fusion index AB1167 miR-744-5p mimic or scrambled-miR transfected myoblasts 8.31 ± 7.00% vs. 40.29 ± 9.37% respectively, P < 0.001; myosin heavy chain expression miR-744-5p mimic or scrambled-miR transfected myoblasts 0.92 ± 0.39 vs. 13.53 ± 5.5 respectively, P = 0.01). CONCLUSIONS Combined functional transcriptomics identified 36 miRs including miRs-424-3p/5p, -490-3p, and -744-5p as potential regulators of gene networks associated with recovery of muscle mass and strength following critical illness. MiR-490-3p is identified as a novel regulator of myogenesis.
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Affiliation(s)
- Christopher J Walsh
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Carlos Escudero King
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Muskan Gupta
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Pamela J Plant
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
| | - Margaret J Herridge
- University Health Network, Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
| | - Sunita Mathur
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
| | - Pingzhao Hu
- Department of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, MB, Canada
| | - Judy Correa
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
| | - Sameen Ahmed
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
| | - Anne Bigot
- INSERM, Institute of Myology, Research Center in Myology, Sorbonne University, Paris, France
| | - Claudia C Dos Santos
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Jane Batt
- Keenan Research Centre for Biomedical Science, St Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada.,Institute of Medical Science, University of Toronto, Toronto, ON, Canada
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15
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Dowling L, Duseja A, Vilaca T, Walsh JS, Goljanek-Whysall K. MicroRNAs in obesity, sarcopenia, and commonalities for sarcopenic obesity: a systematic review. J Cachexia Sarcopenia Muscle 2022; 13:68-85. [PMID: 34984856 PMCID: PMC8818592 DOI: 10.1002/jcsm.12878] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 10/24/2021] [Accepted: 10/29/2021] [Indexed: 12/11/2022] Open
Abstract
Sarcopenic obesity is a distinct condition of sarcopenia in the context of obesity, with the cumulative health risks of both phenotypes. Differential expression of microRNAs (miRNAs) has been reported separately in people with obesity and sarcopenia and may play a role in the pathogenesis of sarcopenic obesity. However, this has not been explored to date. This study aimed to identify differentially expressed miRNAs reported in serum, plasma, and skeletal muscle of people with obesity and sarcopenia and whether there are any commonalities between these conditions. We performed a systematic review on Embase and MEDLINE (PROSPERO, CRD42020224486) for differentially expressed miRNAs (fold change >1.5 or P-value <0.05) in (i) sarcopenia or frailty and (ii) obesity or metabolic syndrome. The functions and targets of miRNAs commonly changed in both conditions, in the same direction, were searched using PubMed. Following deduplication, 247 obesity and 42 sarcopenia studies were identified for full-text screening. Screening identified 36 obesity and 6 sarcopenia studies for final inclusion. A total of 351 miRNAs were identified in obesity and 157 in sarcopenia. Fifty-five miRNAs were identified in both obesity and sarcopenia-by sample type, 48 were found in plasma and one each in serum and skeletal muscle. Twenty-four miRNAs were identified from 10 of the included studies as commonly changed in the same direction (22 in plasma and one each in serum and skeletal muscle) in obesity and sarcopenia. The majority of miRNA-validated targets identified in the literature search were members of the phosphoinositide 3-kinase/protein kinase B and transforming growth factor-β signalling pathways. The most common targets identified were insulin-like growth factor 1 (miR-424-5p, miR-483-3p, and miR-18b-5p) and members of the SMAD family (miR-483-3p, miR-92a-3p, and miR-424-5p). The majority of commonly changed miRNAs were involved in protein homeostasis, mitochondrial dynamics, determination of muscle fibre type, insulin resistance, and adipogenesis. Twenty-four miRNAs were identified as commonly dysregulated in obesity and sarcopenia with functions and targets implicated in the pathogenesis of sarcopenic obesity. Given the adverse health outcomes associated with sarcopenic obesity, understanding the pathogenesis underlying this phenotype has the potential to lead to effective screening, monitoring, or treatment strategies. Further research is now required to confirm whether these miRNAs are differentially expressed in older adults with sarcopenic obesity.
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Affiliation(s)
| | | | | | | | - Katarzyna Goljanek-Whysall
- The University of Liverpool, Liverpool, UK.,Department of Physiology, School of Medicine, Nursing and Health Sciences, College of Medicine, National University of Ireland, Galway, Galway, Ireland
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16
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Fröhlich A, Diek M, Denecke C, von Haehling S, Hadzibegovic S, Anker MS. JCSM: growing together with cachexia and sarcopenia research. J Cachexia Sarcopenia Muscle 2021; 12:1359-1367. [PMID: 34969163 PMCID: PMC8718022 DOI: 10.1002/jcsm.12886] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Ann‐Kathrin Fröhlich
- Berlin Institute of Health Center for Regenerative Therapies (BCRT)BerlinGermany
- German Centre for Cardiovascular Research (DZHK), partner site BerlinBerlinGermany
- Division of Cardiology and Metabolism, Department of CardiologyCharité—Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
| | - Monika Diek
- Division of Cardiology and Metabolism, Department of CardiologyCharité—Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
| | - Corinna Denecke
- Division of Cardiology and Metabolism, Department of CardiologyCharité—Universitätsmedizin Berlin, Campus Virchow KlinikumBerlinGermany
| | - Stephan von Haehling
- Department of Cardiology and PneumologyUniversity of Göttingen Medical CenterGöttingenGermany
- German Centre for Cardiovascular Research (DZHK), partner site GöttingenGöttingenGermany
| | - Sara Hadzibegovic
- Berlin Institute of Health Center for Regenerative Therapies (BCRT)BerlinGermany
- German Centre for Cardiovascular Research (DZHK), partner site BerlinBerlinGermany
- Department of CardiologyCharité—Universitätsmedizin Berlin, Campus Benjamin Franklin (CBF)BerlinGermany
| | - Markus S. Anker
- Berlin Institute of Health Center for Regenerative Therapies (BCRT)BerlinGermany
- German Centre for Cardiovascular Research (DZHK), partner site BerlinBerlinGermany
- Department of CardiologyCharité—Universitätsmedizin Berlin, Campus Benjamin Franklin (CBF)BerlinGermany
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17
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Liang R, Shen X, Wang F, Wang X, DesJarlais A, Syed A, Saba R, Tan Z, Yu F, Ji X, Shrestha S, Ren Y, Yang J, Park Y, Schwartz RJ, Soibam B, McConnell BK, Stewart MD, Kumar A, Liu Y. H19X-encoded miR-322(424)/miR-503 regulates muscle mass by targeting translation initiation factors. J Cachexia Sarcopenia Muscle 2021; 12:2174-2186. [PMID: 34704401 PMCID: PMC8718088 DOI: 10.1002/jcsm.12827] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/02/2021] [Accepted: 09/11/2021] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Skeletal muscle atrophy is a debilitating complication of many chronic diseases, disuse conditions, and ageing. Genome-wide gene expression analyses have identified that elevated levels of microRNAs encoded by the H19X locus are among the most significant changes in skeletal muscles in a wide scope of human cachectic conditions. We have previously reported that the H19X locus is important for the establishment of striated muscle fate during embryogenesis. However, the role of H19X-encoded microRNAs in regulating skeletal mass in adults is unknown. METHODS We have created a transgenic mouse strain in which ectopic expression of miR-322/miR-503 is driven by the skeletal muscle-specific muscle creatine kinase promoter. We also used an H19X mutant mouse strain in which transcription from the locus is interrupted by a gene trap. Animal phenotypes were analysed by standard histological methods. Underlying mechanisms were explored by using transcriptome profiling and validated in the two animal models and cultured myotubes. RESULTS Our results demonstrate that the levels of H19X microRNAs are inversely related to postnatal skeletal muscle growth. Targeted overexpression of miR-322/miR-503 impeded skeletal muscle growth. The weight of gastrocnemius muscles of transgenic mice was only 54.5% of the counterparts of wild-type littermates. By contrast, interruption of transcription from the H19X locus stimulates postnatal muscle growth by 14.4-14.9% and attenuates the loss of skeletal muscle mass in response to starvation by 12.8-21.0%. Impeded muscle growth was not caused by impaired IGF1/AKT/mTOR signalling or a hyperactive ubiquitin-proteasome system, instead accompanied by markedly dropped abundance of translation initiation factors in transgenic mice. miR-322/miR-503 directly targets eIF4E, eIF4G1, eIF4B, eIF2B5, and eIF3M. CONCLUSIONS Our study illustrates a novel pathway wherein H19X microRNAs regulate skeletal muscle growth and atrophy through regulating the abundance of translation initiation factors, thereby protein synthesis. The study highlights how translation initiation factors lie at the crux of multiple signalling pathways that control skeletal muscle mass.
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Affiliation(s)
- Rui Liang
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Xiaopeng Shen
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Fan Wang
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA.,Department of Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Xin Wang
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA.,Department of Oncology, Shangluo Central Hospital, Shangluo, Shaanxi Province, China
| | - Alex DesJarlais
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Anam Syed
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Raymond Saba
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Zhi Tan
- Department of Experimental Therapeutics, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Fang Yu
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA.,Department of Oncology, Shangluo Central Hospital, Shangluo, Shaanxi Province, China
| | - Xuan Ji
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Shreesti Shrestha
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Yinghong Ren
- Department of Oncology, Shangluo Central Hospital, Shangluo, Shaanxi Province, China
| | - Jin Yang
- Department of Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Yoonjung Park
- Department of Health and Human Performance, University of Houston, Houston, TX, USA
| | - Robert J Schwartz
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Benjamin Soibam
- Department of Computer Science and Engineering Technology, University of Houston-Downtown, Houston, TX, USA
| | - Bradley K McConnell
- Department of Pharmacological & Pharmaceutical Sciences, University of Houston, Houston, TX, USA
| | - M David Stewart
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Ashok Kumar
- Department of Pharmacological & Pharmaceutical Sciences, University of Houston, Houston, TX, USA
| | - Yu Liu
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
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18
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Kuji T, Sugasawa T, Fujita SI, Ono S, Kawakami Y, Takekoshi K. A Pilot Study of miRNA Expression Profile as a Liquid Biopsy for Full-Marathon Participants. Sports (Basel) 2021; 9:sports9100134. [PMID: 34678915 PMCID: PMC8539081 DOI: 10.3390/sports9100134] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/08/2021] [Accepted: 09/16/2021] [Indexed: 12/21/2022] Open
Abstract
Exosomal microRNA (miRNA) in plasma and urine has attracted attention as a novel diagnostic tool for pathological conditions. However, the mechanisms of miRNA dynamics in the exercise physiology field are not well understood in terms of monitoring sports performance. This pilot study aimed to reveal the miRNA dynamics in urine and plasma of full-marathon participants. Plasma and urine samples were collected from 26 marathon participants before, immediately after, 2 h after, and one day after a full marathon. The samples were pooled, and exosomal miRNAs were extracted and analyzed using next-generation sequencing. We determined that the exosomal miRNA expression profile changed under time dependency in full marathon. New uncharacterized exosomal miRNAs such as hsa-miR-582-3p and hsa-miR-199a-3p could be potential biomarkers reflecting physical stress of full marathon in plasma and urine. In addition, some muscle miRNAs in plasma and urine have supported the utility for monitoring physical stress. Furthermore, some inflammation-related exosomal miRNAs were useful only in plasma. These results suggest that these exosomal miRNAs in plasma and/or urine are highly sensitive biomarkers for physical stress in full marathons. Thus, our findings may yield valuable insights into exercise physiology.
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Affiliation(s)
- Tomoaki Kuji
- Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan; or
- Research and Development Division, Blue Industries Inc., ArcaCentral Bldg. 14F, 1-2-1 Kinshi, Sumida, Tokyo 130-0013, Japan
| | - Takehito Sugasawa
- Laboratory of Laboratory-Sports Medicine, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan; (T.S.); (S.-i.F.); (Y.K.)
| | - Shin-ichiro Fujita
- Laboratory of Laboratory-Sports Medicine, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan; (T.S.); (S.-i.F.); (Y.K.)
| | - Seiko Ono
- Master’s Program in Medical Sciences, Graduate School of Comprehensive Human Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan;
| | - Yasushi Kawakami
- Laboratory of Laboratory-Sports Medicine, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan; (T.S.); (S.-i.F.); (Y.K.)
| | - Kazuhiro Takekoshi
- Laboratory of Laboratory-Sports Medicine, Division of Clinical Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8577, Japan; (T.S.); (S.-i.F.); (Y.K.)
- Correspondence: ; Tel.: +81-29-853-3209
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19
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Cannataro R, Carbone L, Petro JL, Cione E, Vargas S, Angulo H, Forero DA, Odriozola-Martínez A, Kreider RB, Bonilla DA. Sarcopenia: Etiology, Nutritional Approaches, and miRNAs. Int J Mol Sci 2021; 22:9724. [PMID: 34575884 PMCID: PMC8466275 DOI: 10.3390/ijms22189724] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 02/06/2023] Open
Abstract
Sarcopenia, an age-related decline in skeletal muscle mass and function, dramatically affects the quality of life. Although there is a consensus that sarcopenia is a multifactorial syndrome, the etiology and underlying mechanisms are not yet delineated. Moreover, research about nutritional interventions to prevent the development of sarcopenia is mainly focused on the amount and quality of protein intake. The impact of several nutrition strategies that consider timing of food intake, anti-inflammatory nutrients, metabolic control, and the role of mitochondrial function on the progression of sarcopenia is not fully understood. This narrative review summarizes the metabolic background of this phenomenon and proposes an integral nutritional approach (including dietary supplements such as creatine monohydrate) to target potential molecular pathways that may affect reduce or ameliorate the adverse effects of sarcopenia. Lastly, miRNAs, in particular those produced by skeletal muscle (MyomiR), might represent a valid tool to evaluate sarcopenia progression as a potential rapid and early biomarker for diagnosis and characterization.
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Affiliation(s)
- Roberto Cannataro
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy;
- Galascreen Laboratories, University of Calabria, 87036 Rende, Italy
- Research Division, Dynamical Business & Science Society, DBSS International SAS, Bogotá 110311, Colombia; (J.L.P.); (S.V.); (D.A.B.)
| | - Leandro Carbone
- Research Division, Dynamical Business & Science Society, DBSS International SAS, Bogotá 110311, Colombia; (J.L.P.); (S.V.); (D.A.B.)
- Faculty of Medicine, University of Salvador, Buenos Aires 1020, Argentina
| | - Jorge L. Petro
- Research Division, Dynamical Business & Science Society, DBSS International SAS, Bogotá 110311, Colombia; (J.L.P.); (S.V.); (D.A.B.)
- Research Group in Physical Activity, Sports and Health Sciences (GICAFS), Universidad de Córdoba, Montería 230002, Colombia
| | - Erika Cione
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy;
- Galascreen Laboratories, University of Calabria, 87036 Rende, Italy
| | - Salvador Vargas
- Research Division, Dynamical Business & Science Society, DBSS International SAS, Bogotá 110311, Colombia; (J.L.P.); (S.V.); (D.A.B.)
- Faculty of Sport Sciences, EADE-University of Wales Trinity Saint David, 29018 Málaga, Spain
| | - Heidy Angulo
- Grupo de Investigación Programa de Medicina (GINUMED), Corporación Universitaria Rafael Núñez, Cartagena 130001, Colombia;
| | - Diego A. Forero
- Health and Sport Sciences Research Group, School of Health and Sport Sciences, Fundación Universitaria del Área Andina, Bogotá 111221, Colombia;
| | - Adrián Odriozola-Martínez
- Sport Genomics Research Group, Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country UPV/EHU, 48940 Leioa, Spain;
- kDNA Genomics, Joxe Mari Korta Research Center, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastián, Spain
| | - Richard B. Kreider
- Exercise & Sport Nutrition Lab, Human Clinical Research Facility, Texas A&M University, College Station, TX 77843, USA;
| | - Diego A. Bonilla
- Research Division, Dynamical Business & Science Society, DBSS International SAS, Bogotá 110311, Colombia; (J.L.P.); (S.V.); (D.A.B.)
- Research Group in Physical Activity, Sports and Health Sciences (GICAFS), Universidad de Córdoba, Montería 230002, Colombia
- kDNA Genomics, Joxe Mari Korta Research Center, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastián, Spain
- Research Group in Biochemistry and Molecular Biology, Universidad Distrital Francisco José de Caldas, Bogotá 110311, Colombia
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20
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Belli R, Ferraro E, Molfino A, Carletti R, Tambaro F, Costelli P, Muscaritoli M. Liquid Biopsy for Cancer Cachexia: Focus on Muscle-Derived microRNAs. Int J Mol Sci 2021; 22:ijms22169007. [PMID: 34445710 PMCID: PMC8396502 DOI: 10.3390/ijms22169007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer cachexia displays a complex nature in which systemic inflammation, impaired energy metabolism, loss of muscle and adipose tissues result in unintentional body weight loss. Cachectic patients have a poor prognosis and the presence of cachexia reduces the tolerability of chemo/radio-therapy treatments and it is frequently the primary cause of death in advanced cancer patients. Early detection of this condition could make treatments more effective. However, early diagnostic biomarkers of cachexia are currently lacking. In recent years, although solid biopsy still remains the "gold standard" for diagnosis of cancer, liquid biopsy is gaining increasing interest as a source of easily accessible potential biomarkers. Moreover, the growing interest in circulating microRNAs (miRNAs), has made these molecules attractive for the diagnosis of several diseases, including cancer. Some muscle-derived circulating miRNA might play a pivotal role in the onset/progression of cancer cachexia. This topic is of great interest since circulating miRNAs might be easily detectable by means of liquid biopsies and might allow an early diagnosis of this syndrome. We here summarize the current knowledge on circulating muscular miRNAs involved in muscle atrophy, since they might represent easily accessible and promising biomarkers of cachexia.
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Affiliation(s)
- Roberta Belli
- Department of Translational and Precision Medicine, Sapienza University, 00185 Rome, Italy; (A.M.); (R.C.); (F.T.)
- Correspondence: (R.B.); (M.M.); Tel./Fax: +390-649-972-020 (M.M.)
| | - Elisabetta Ferraro
- Unit of Cell and Developmental Biology, Department of Biology, University of Pisa, 56126 Pisa, Italy;
| | - Alessio Molfino
- Department of Translational and Precision Medicine, Sapienza University, 00185 Rome, Italy; (A.M.); (R.C.); (F.T.)
| | - Raffaella Carletti
- Department of Translational and Precision Medicine, Sapienza University, 00185 Rome, Italy; (A.M.); (R.C.); (F.T.)
| | - Federica Tambaro
- Department of Translational and Precision Medicine, Sapienza University, 00185 Rome, Italy; (A.M.); (R.C.); (F.T.)
| | - Paola Costelli
- Department of Clinical and Biological Sciences, University of Torino, 10124 Torino, Italy;
| | - Maurizio Muscaritoli
- Department of Translational and Precision Medicine, Sapienza University, 00185 Rome, Italy; (A.M.); (R.C.); (F.T.)
- Correspondence: (R.B.); (M.M.); Tel./Fax: +390-649-972-020 (M.M.)
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21
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Figueiredo VC, McCarthy JJ. Targeting cancer via ribosome biogenesis: the cachexia perspective. Cell Mol Life Sci 2021; 78:5775-5787. [PMID: 34196731 PMCID: PMC11072391 DOI: 10.1007/s00018-021-03888-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/03/2021] [Accepted: 06/18/2021] [Indexed: 12/14/2022]
Abstract
Cancer cachexia afflicts many advanced cancer patients with many progressing to death. While there have been many advancements in understanding the molecular mechanisms that contribute to the development of cancer cachexia, substantial gaps still exist. Chemotherapy drugs often target ribosome biogenesis to slow or blunt tumor cell growth and proliferation. Some of the most frequent side-effects of chemotherapy are loss of skeletal muscle mass, muscular strength and an increase in fatigue. Given that ribosome biogenesis has emerged as a main mechanism regulating muscle hypertrophy, and more recently, also implicated in muscle atrophy, we propose that some chemotherapy drugs can cause further muscle wasting via its effect on skeletal muscle cells. Many chemotherapy drugs, including the most prescribed drugs such as doxorubicin and cisplatin, affect ribosomal DNA transcription, or other pathways related to ribosome biogenesis. Furthermore, middle-aged and older individuals are the most affected population with cancer, and advanced cancer patients often show reduced levels of physical inactivity. Thus, aging and inactivity can themselves affect muscle ribosome biogenesis, which can further worsen the effect of chemotherapy on skeletal muscle ribosome biogenesis and, ultimately, muscle mass and function. We propose that chemotherapy can accelerate the onset or worsen cancer cachexia via its inhibitory effects on skeletal muscle ribosome biogenesis. We end our review by providing recommendations that could be used to ameliorate the negative effects of chemotherapy on skeletal muscle ribosome biogenesis.
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Affiliation(s)
- Vandré Casagrande Figueiredo
- College of Health Sciences, University of Kentucky, Lexington, KY, USA.
- Center for Muscle Biology, University of Kentucky, Lexington, KY, USA.
| | - John J McCarthy
- Department of Physiology, College of Medicine, University of Kentucky, Lexington, KY, USA
- Center for Muscle Biology, University of Kentucky, Lexington, KY, USA
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22
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Pan Y, Yang S, Cheng J, Lv Q, Xing Q, Zhang R, Liang J, Shi D, Deng Y. Whole-Transcriptome Analysis of LncRNAs Mediated ceRNA Regulation in Granulosa Cells Isolated From Healthy and Atresia Follicles of Chinese Buffalo. Front Vet Sci 2021; 8:680182. [PMID: 34336976 PMCID: PMC8316591 DOI: 10.3389/fvets.2021.680182] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 06/09/2021] [Indexed: 01/08/2023] Open
Abstract
Granulosa cells (GCs) are the main supporting cells in follicles and play an important role in the regulation of oocyte maturation and follicular atresia. Accumulating evidence indicates that non-coding RNAs participate in regulation of the physiological function of GCs. However, whole-transcriptome analysis for GCs of buffalo has yet to be reported. In this study, healthy follicles (HFs) and atretic follicles (AFs) were defined according to the apoptosis rate of GCs and the hormone level in follicular fluid. GCs were collected from HFs and AFs (n = 15, 5 < n < 8 mm) for whole-transcriptome analysis using second-generation high-throughput sequencing. A total of 1,861 and 1,075 mRNAs, 159 and 24 miRNAs, and 123 and 100 lncRNAs, were upregulated and downregulated between HFs and AFs, respectively. Enrichment of functions and signaling pathways of these differentially expressed (DE) genes showed that most of DEmRNAs and targets of DEmiRNAs were annotated to the categories of ECM–receptor interaction and focal adhesion, as well as PI3K-AKT, mTOR, TGF-beta, Rap1, and estrogen signaling pathways. The competing endogenous RNA (CeRNA) network was also constructed based on the ceRNA theory which further revealed regulatory roles of these DERNAs in GCs of buffalo follicles. Finally, we validated that lnc4040 regulated the expression of Hif1a as miR-709 sponge in a ceRNA mechanism, suggesting their critical functions in GCs of buffalo follicles. These results show that lncRNAs are dynamically expressed in GCs of HFs and AFs, and interacting with target genes in a ceRNA manner, suggesting their critical functions in buffalo follicular development and atresia.
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Affiliation(s)
- Yu Pan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Sufang Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Juanru Cheng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Qiao Lv
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Qinghua Xing
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Ruimen Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Jingyuan Liang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Deshun Shi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
| | - Yanfei Deng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Animal Reproduction Institute, Guangxi University, Nanning, China
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23
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Zhou X, Hu S, Zhang Y, Du G, Li Y. The mechanism by which noncoding RNAs regulate muscle wasting in cancer cachexia. PRECISION CLINICAL MEDICINE 2021; 4:136-147. [PMID: 35694153 DOI: 10.1093/pcmedi/pbab008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 04/10/2021] [Accepted: 04/13/2021] [Indexed: 02/05/2023] Open
Abstract
Abstract
Cancer cachexia (CC) is a complex metabolic syndrome that accelerates muscle wasting and affects up to 80% of patients with cancer; however, timely diagnostic methods and effective cures are lacking. Although a considerable number of studies have focused on the mechanism of CC-induced muscle atrophy, few novel therapies have been applied in the last decade. In recent years, noncoding RNAs (ncRNAs) have attracted great attention as many differentially expressed ncRNAs in cancer cachectic muscles have been reported to participate in the inhibition of myogenesis and activation of proteolysis. In addition, extracellular vesicles (EVs), which function as ncRNA carriers in intercellular communication, are closely involved in changing ncRNA expression profiles in muscle and promoting the development of muscle wasting; thus, EV-related ncRNAs may represent potential therapeutic targets. This review comprehensively describes the process of ncRNA transmission through EVs and summarizes the pathways and targets of ncRNAs that lead to CC-induced muscle atrophy.
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Affiliation(s)
- Xueer Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Shoushan Hu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yunan Zhang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Guannan Du
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yi Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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24
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Ribosomal RNA Transcription Regulation in Breast Cancer. Genes (Basel) 2021; 12:genes12040502. [PMID: 33805424 PMCID: PMC8066022 DOI: 10.3390/genes12040502] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/26/2021] [Accepted: 03/29/2021] [Indexed: 12/24/2022] Open
Abstract
Ribosome biogenesis is a complex process that is responsible for the formation of ribosomes and ultimately global protein synthesis. The first step in this process is the synthesis of the ribosomal RNA in the nucleolus, transcribed by RNA Polymerase I. Historically, abnormal nucleolar structure is indicative of poor cancer prognoses. In recent years, it has been shown that ribosome biogenesis, and rDNA transcription in particular, is dysregulated in cancer cells. Coupled with advancements in screening technology that allowed for the discovery of novel drugs targeting RNA Polymerase I, this transcriptional machinery is an increasingly viable target for cancer therapies. In this review, we discuss ribosome biogenesis in breast cancer and the different cellular pathways involved. Moreover, we discuss current therapeutics that have been found to affect rDNA transcription and more novel drugs that target rDNA transcription machinery as a promising avenue for breast cancer treatment.
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25
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Han N, Li Z. Non-coding RNA Identification in Osteonecrosis of the Femoral Head Using Competitive Endogenous RNA Network Analysis. Orthop Surg 2021; 13:1067-1076. [PMID: 33749138 PMCID: PMC8126913 DOI: 10.1111/os.12834] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 07/21/2020] [Accepted: 09/28/2020] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE To investigate the regulatory network of long non-coding RNA (lncRNA) as competing endogenous RNAs (ceRNAs) in osteonecrosis of the femoral head (ONFH). METHODS The gene expression profile GSE74089 of ONFH and microRNA (miRNA) expression profile of GSE89587 were obtained from the Gene Expression Omnibus (GEO) database. The GSE74089 contained four ONFH samples and four controls. The GSE89587 included 10 ONFH samples and 10 control samples. The differentially expressed lncRNAs (DE-lncRNAs) and DE-mRNAs between ONFH group and control group were identified from GSE74089 using the limma package based on criteria of adjusted P value <0.05 and |log fold change (FC)| ≥2. The DEmiRNAs between ONFH group and control group were screened from GSE89587 on the basis of adjusted P value <0.05. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway for DE-mRNAs were analyzed using DAVID 6.7 and GSEA 3.0, respectively. Coexpressed lncRNA-mRNA pairs were identified by corr.test method in R based on the criteria of adjusted P value <0.01 and |r| ≥ 0.9. A ceRNA network was constructed and visualized using cytoscape 3.7.0 by integrating the DE-lncRNA, DE-miRNA, and DEmRNA data. The key mRNAs and lncRNAs in the ceRNA network were further validated in an independent dataset of GSE123568. RESULTS Based on our analysis, a total of 28 DE-lncRNAs, 1403 DE-mRNAs, and 134 DE-miRNAs were identified, respectively. The DE-mRNAs were significantly enriched in the function of "skeletal system development," "collagen fibril organization," "blood vessel development," and "regulation of nervous system development." Besides, 72 KEGG pathways, including eight active pathways and 64 suppressed pathways were identified, including which immune pathway was the most significantly activated one and which ribosome-related function was the most suppressed. A co-expression network including 161 DE-mRNAs and 16 DE-lncRNAs was built. Highly connected nodes were identified among lncRNAs such as H19, C20orf203, LINC00355, SFTA3, CRNDE, CASC2, LINC00494, C9orf163, C10orf91, and LINC00301. The ceRNA network indicated that lncRNA H19 functioned as a ceRNA of hsa-miR-519b-3p and hsa-miR-296-5p in ANKH and ECHDC1 regulation; lncRNA C9orf163 functioned as a ceRNA of hsa-miR-424-5p in CCNT1 regulation. The expression trends of ANKH, CCNT1, and C9orf163 were successfully validated in independent dataset of GSE123568. CONCLUSION The ceRNAs of lncRNA H19- hsa-miR-519b-3p/hsa-miR-296-5p-ANKH and lncRNA c9orf163- hsa-miR-424-5p-CCNT1 might play important roles in ONFH development. Our research provided an understanding of the important role of lncRNA-related ceRNAs in ONFH.
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Affiliation(s)
- Ning Han
- Department of Emergency Trauma Surgery, Shanghai East Hospital of Tongji University, Shanghai, China
| | - Zengchun Li
- Department of Emergency Trauma Surgery, Shanghai East Hospital of Tongji University, Shanghai, China
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26
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MicroRNAs and long non-coding RNAs as novel regulators of ribosome biogenesis. Biochem Soc Trans 2021; 48:595-612. [PMID: 32267487 PMCID: PMC7200637 DOI: 10.1042/bst20190854] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/12/2020] [Accepted: 03/16/2020] [Indexed: 12/14/2022]
Abstract
Ribosome biogenesis is the fine-tuned, essential process that generates mature ribosomal subunits and ultimately enables all protein synthesis within a cell. Novel regulators of ribosome biogenesis continue to be discovered in higher eukaryotes. While many known regulatory factors are proteins or small nucleolar ribonucleoproteins, microRNAs (miRNAs), and long non-coding RNAs (lncRNAs) are emerging as a novel modulatory layer controlling ribosome production. Here, we summarize work uncovering non-coding RNAs (ncRNAs) as novel regulators of ribosome biogenesis and highlight their links to diseases of defective ribosome biogenesis. It is still unclear how many miRNAs or lncRNAs are involved in phenotypic or pathological disease outcomes caused by impaired ribosome production, as in the ribosomopathies, or by increased ribosome production, as in cancer. In time, we hypothesize that many more ncRNA regulators of ribosome biogenesis will be discovered, which will be followed by an effort to establish connections between disease pathologies and the molecular mechanisms of this additional layer of ribosome biogenesis control.
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27
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Figueiredo VC, D'Souza RF, Van Pelt DW, Lawrence MM, Zeng N, Markworth JF, Poppitt SD, Miller BF, Mitchell CJ, McCarthy JJ, Dupont‐Versteegden EE, Cameron‐Smith D. Ribosome biogenesis and degradation regulate translational capacity during muscle disuse and reloading. J Cachexia Sarcopenia Muscle 2021; 12:130-143. [PMID: 33231914 PMCID: PMC7890271 DOI: 10.1002/jcsm.12636] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/02/2020] [Accepted: 09/16/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Translational capacity (i.e. ribosomal mass) is a key determinant of protein synthesis and has been associated with skeletal muscle hypertrophy. The role of translational capacity in muscle atrophy and regrowth from disuse is largely unknown. Therefore, we investigated the effect of muscle disuse and reloading on translational capacity in middle-aged men (Study 1) and in rats (Study 2). METHODS In Study 1, 28 male participants (age 50.03 ± 3.54 years) underwent 2 weeks of knee immobilization followed by 2 weeks of ambulatory recovery and a further 2 weeks of resistance training. Muscle biopsies were obtained for measurement of total RNA and pre-ribosomal (r)RNA expression, and vastus lateralis cross-sectional area (CSA) was determined via peripheral quantitative computed tomography. In Study 2, male rats underwent hindlimb suspension (HS) for either 24 h (HS 24 h, n = 4) or 7 days (HS 7d, n = 5), HS for 7 days followed by 7 days of reloading (Rel, n = 5) or remained as ambulatory weight bearing (WB, n = 5) controls. Rats received deuterium oxide throughout the study to determine RNA synthesis and degradation, and mTORC1 signalling pathway was assessed. RESULTS Two weeks of immobilization reduced total RNA concentration (20%) and CSA (4%) in men (both P ≤ 0.05). Ambulatory recovery restored total RNA concentration to baseline levels and partially restored muscle CSA. Total RNA concentration and 47S pre-rRNA expression increased above basal levels after resistance training (P ≤ 0.05). In rats, RNA synthesis was 30% lower while degradation was ~400% higher in HS 7d in soleus and plantaris muscles compared with WB (P ≤ 0.05). mTORC1 signalling was lower in HS compared with WB as was 47S pre-rRNA (P ≤ 0.05). With reloading, the aforementioned parameters were restored to WB levels while RNA degradation was suppressed (P ≤ 0.05). CONCLUSIONS Changes in RNA concentration following muscle disuse and reloading were associated with changes in ribosome biogenesis and degradation, indicating that both processes are important determinants of translational capacity. The pre-clinical data help explain the reduced translational capacity after muscle immobilization in humans and demonstrate that ribosome biogenesis and degradation might be valuable therapeutic targets to maintain muscle mass during disuse.
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Affiliation(s)
- Vandré C. Figueiredo
- Liggins InstituteThe University of AucklandAucklandNew Zealand
- Department of Physical Therapy, College of Health SciencesUniversity of KentuckyKYUSA
- Center of Muscle BiologyUniversity of KentuckyKYUSA
| | | | - Douglas W. Van Pelt
- Department of Physical Therapy, College of Health SciencesUniversity of KentuckyKYUSA
- Center of Muscle BiologyUniversity of KentuckyKYUSA
| | - Marcus M. Lawrence
- Aging and Metabolism Research ProgramOklahoma Medical Research Foundation (OMRF)Oklahoma CityOKUSA
| | - Nina Zeng
- Liggins InstituteThe University of AucklandAucklandNew Zealand
| | | | - Sally D. Poppitt
- School of Biological SciencesThe University of AucklandAucklandNew Zealand
| | - Benjamin F. Miller
- Aging and Metabolism Research ProgramOklahoma Medical Research Foundation (OMRF)Oklahoma CityOKUSA
| | - Cameron J. Mitchell
- Liggins InstituteThe University of AucklandAucklandNew Zealand
- School of KinesiologyUniversity of British ColumbiaVancouverCanada
| | - John J. McCarthy
- Center of Muscle BiologyUniversity of KentuckyKYUSA
- College of MedicineUniversity of KentuckyKYUSA
| | - Esther E. Dupont‐Versteegden
- Department of Physical Therapy, College of Health SciencesUniversity of KentuckyKYUSA
- Center of Muscle BiologyUniversity of KentuckyKYUSA
| | - David Cameron‐Smith
- Liggins InstituteThe University of AucklandAucklandNew Zealand
- Human Potential Translational Research Programme, Yong Loo Lin School of MedicineNational University of SingaporeSingapore
- Singapore Institute for Clinical SciencesAgency for Science, Technology and ResearchSingapore
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28
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Affiliation(s)
- Sandra Palus
- Berlin Institute of Health Center for Regenerative Therapies (BCRT), Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Jochen Springer
- Berlin Institute of Health Center for Regenerative Therapies (BCRT), Charité Universitätsmedizin Berlin, Berlin, Germany.,German Centre for Cardiovascular Research (DZHK) partner site Berlin, Charité Universitätsmedizin Berlin, Berlin, Germany
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29
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Anker MS, Springer J, Coats AJ, von Haehling S. The 10th year of the Journal of Cachexia, Sarcopenia and Muscle. J Cachexia Sarcopenia Muscle 2020; 11:1390-1395. [PMID: 33340288 PMCID: PMC7749579 DOI: 10.1002/jcsm.12657] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Markus S Anker
- Division of Cardiology and Metabolism, Department of Cardiology (CVK), Charité University Medicine Berlin, Berlin, Germany.,Berlin Institute of Health Center for Regenerative Therapies (BCRT), Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), partner site Berlin, Berlin, Germany.,Department of Cardiology, Campus Benjamin Franklin (CBF), Charité University Medicine Berlin, Berlin, Germany
| | - Jochen Springer
- Berlin Institute of Health Center for Regenerative Therapies (BCRT), Berlin, Germany.,DZHK (German Centre for Cardiovascular Research), partner site Berlin, Berlin, Germany
| | - Andrew Js Coats
- Department of Cardiology, IRCCS San Raffaele Pisana, Rome, Italy
| | - Stephan von Haehling
- Department of Cardiology and Pneumology, University Medical Center Göttingen, Göttingen, Germany.,DZHK (German Centre for Cardiovascular Research), partner site Göttingen, Göttingen, Germany
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30
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Chen R, Lei S, Jiang T, She Y, Shi H. Regulation of Skeletal Muscle Atrophy in Cachexia by MicroRNAs and Long Non-coding RNAs. Front Cell Dev Biol 2020; 8:577010. [PMID: 33043011 PMCID: PMC7523183 DOI: 10.3389/fcell.2020.577010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 08/26/2020] [Indexed: 12/14/2022] Open
Abstract
Skeletal muscle atrophy is a common complication of cachexia, characterized by progressive bodyweight loss and decreased muscle strength, and it significantly increases the risks of morbidity and mortality in the population with atrophy. Numerous complications associated with decreased muscle function can activate catabolism, reduce anabolism, and impair muscle regeneration, leading to muscle wasting. microRNAs (miRNAs) and long non-coding RNAs (lncRNAs), types of non-coding RNAs, are important for regulation of skeletal muscle development. Few studies have specifically identified the roles of miRNAs and lncRNAs in cellular or animal models of muscular atrophy during cachexia, and the pathogenesis of skeletal muscle wasting in cachexia is not entirely understood. To develop potential approaches to improve skeletal muscle mass, strength, and function, a more comprehensive understanding of the known key pathophysiological processes leading to muscular atrophy is needed. In this review, we summarize the known miRNAs, lncRNAs, and corresponding signaling pathways involved in regulating skeletal muscle atrophy in cachexia and other diseases. A comprehensive understanding of the functions and mechanisms of miRNAs and lncRNAs during skeletal muscle wasting in cachexia and other diseases will, therefore, promote therapeutic treatments for muscle atrophy.
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Affiliation(s)
- Rui Chen
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Si Lei
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Ting Jiang
- Department of Radiology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yanling She
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Huacai Shi
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, Guangzhou, China
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31
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Haji G, Wiegman CH, Michaeloudes C, Patel MS, Curtis K, Bhavsar P, Polkey MI, Adcock IM, Chung KF. Mitochondrial dysfunction in airways and quadriceps muscle of patients with chronic obstructive pulmonary disease. Respir Res 2020; 21:262. [PMID: 33046036 PMCID: PMC7552476 DOI: 10.1186/s12931-020-01527-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 10/01/2020] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Mitochondrial damage and dysfunction have been reported in airway and quadriceps muscle cells of patients with chronic obstructive pulmonary disease (COPD). We determined the concomitance of mitochondrial dysfunction in these cells in COPD. METHODS Bronchial biopsies were obtained from never- and ex-smoker volunteers and COPD patients (GOLD Grade 2) and quadriceps muscle biopsies from the same volunteers in addition to COPD patients at GOLD Grade 3/4 for measurement of mitochondrial function. RESULTS Decreased mitochondrial membrane potential (ΔΨm), increased mitochondrial reactive oxygen species (mtROS) and decreased superoxide dismutase 2 (SOD2) levels were observed in mitochondria isolated from bronchial biopsies from Grade 2 patients compared to healthy never- and ex-smokers. There was a significant correlation between ΔΨm and FEV1 (% predicted), transfer factor of the lung for carbon monoxide (TLCOC % predicted), 6-min walk test and maximum oxygen consumption. In addition, ΔΨm was also associated with decreased expression levels of electron transport chain (ETC) complex proteins I and II. In quadriceps muscle of Grade 2 COPD patients, a significant increase in total ROS and mtROS was observed without changes in ΔΨm, SOD2 or ETC complex protein expression. However, quadriceps muscle of GOLD Grade 3/4 COPD patients showed an increased mtROS and decreased SOD2 and ETC complex proteins I, II, III and V expression. CONCLUSIONS Mitochondrial dysfunction in the airways, but not in quadriceps muscle, is associated with airflow obstruction and exercise capacity in Grade 2 COPD. Oxidative stress-induced mitochondrial dysfunction in the quadriceps may result from similar disease processes occurring in the lungs.
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Affiliation(s)
- Gulam Haji
- Airways Disease, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London, SW3 6LY, UK.,Royal Brompton & Harefield NHS Foundation Trust, London, UK
| | - Coen H Wiegman
- Airways Disease, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London, SW3 6LY, UK.
| | - Charalambos Michaeloudes
- Airways Disease, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London, SW3 6LY, UK
| | - Mehul S Patel
- Royal Brompton & Harefield NHS Foundation Trust, London, UK
| | - Katrina Curtis
- Royal Brompton & Harefield NHS Foundation Trust, London, UK
| | - Pankaj Bhavsar
- Airways Disease, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London, SW3 6LY, UK
| | | | - Ian M Adcock
- Airways Disease, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London, SW3 6LY, UK
| | - Kian Fan Chung
- Airways Disease, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London, SW3 6LY, UK.,Royal Brompton & Harefield NHS Foundation Trust, London, UK
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Kemp PR, Paul R, Hinken AC, Neil D, Russell A, Griffiths MJ. Metabolic profiling shows pre-existing mitochondrial dysfunction contributes to muscle loss in a model of ICU-acquired weakness. J Cachexia Sarcopenia Muscle 2020; 11:1321-1335. [PMID: 32677363 PMCID: PMC7567140 DOI: 10.1002/jcsm.12597] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 05/01/2020] [Accepted: 05/27/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Surgery can lead to significant muscle loss, which increases recovery time and associates with increased mortality. Muscle loss is not uniform, with some patients losing significant muscle mass and others losing relatively little, and is likely to be accompanied by marked changes in circulating metabolites and proteins. Determining these changes may help understand the variability and identify novel therapeutic approaches or markers of muscle wasting. METHODS To determine the association between muscle loss and circulating metabolites, we studied 20 male patients (median age, 70.5, interquartile range, 62.5-75) undergoing aortic surgery. Muscle mass was determined before and 7 days after surgery and blood samples were taken before surgery, and 1, 3, and 7 days after surgery. The circulating metabolome and proteome were determined using commercial services (Metabolon and SomaLogic). RESULTS Ten patients lost more than 10% of the cross-sectional area of the rectus femoris (RFCSA ) and were defined as wasting. Metabolomic analysis showed that 557 circulating metabolites were altered following surgery (q < 0.05) in the whole cohort and 104 differed between wasting and non-wasting patients (q < 0.05). Weighted genome co-expression network analysis, identified clusters of metabolites, both before and after surgery, that associated with muscle mass and function (r = -0.72, p = 6 × 10-4 with RFCSA on Day 0, P = 3 × 10-4 with RFCSA on Day 7 and r = -0.73, P = 5 × 10-4 with hand-grip strength on Day 7). These clusters were mainly composed of acyl carnitines and dicarboxylates indicating that pre-existing mitochondrial dysfunction contributes to muscle loss following surgery. Surgery elevated cortisol to the same extent in wasting and non-wasting patients, but the cortisol:cortisone ratio was higher in the wasting patients (Day 3 P = 0.043 and Day 7 P = 0.016). Wasting patients also showed a greater increase in circulating nucleotides 3 days after surgery. Comparison of the metabolome with inflammatory markers identified by SOMAscan® showed that pre-surgical mitochondrial dysfunction was associated with growth differentiation factor 15 (GDF-15) (r = 0.79, P = 2 × 10-4 ) and that GDF-15, interleukin (IL)-8), C-C motif chemokine 23 (CCL-23), and IL-15 receptor subunit alpha (IL-15RA) contributed to metabolic changes in response to surgery. CONCLUSIONS We show that pre-existing mitochondrial dysfunction and reduced cortisol inactivation contribute to muscle loss following surgery. The data also implicate GDF-15 and IL-15RA in mitochondrial dysfunction.
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Affiliation(s)
- Paul R Kemp
- Cardiovascular and Respiratory Interface Section, National Heart and Lung Institute, Imperial College London, South Kensington Campus, London, UK
| | - Richard Paul
- Cardiovascular and Respiratory Interface Section, National Heart and Lung Institute, Imperial College London, South Kensington Campus, London, UK.,Department of Intensive Care, Guy's and St. Thomas' NHS Foundation Trust, London, UK
| | - Aaron C Hinken
- Muscle Metabolism Discovery Performance Unit, GlaxoSmithKline, Inc, Collegeville, PA, USA
| | - David Neil
- Muscle Metabolism Discovery Performance Unit, GlaxoSmithKline, Inc, Collegeville, PA, USA
| | - Alan Russell
- Muscle Metabolism Discovery Performance Unit, GlaxoSmithKline, Inc, Collegeville, PA, USA.,Edgewise Therapeutics, Boulder, CO, USA
| | - Mark J Griffiths
- Cardiovascular and Respiratory Interface Section, National Heart and Lung Institute, Imperial College London, South Kensington Campus, London, UK
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33
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Regulation of microRNAs in Satellite Cell Renewal, Muscle Function, Sarcopenia and the Role of Exercise. Int J Mol Sci 2020; 21:ijms21186732. [PMID: 32937893 PMCID: PMC7555198 DOI: 10.3390/ijms21186732] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/10/2020] [Accepted: 09/12/2020] [Indexed: 02/07/2023] Open
Abstract
Sarcopenia refers to a condition of progressive loss of skeletal muscle mass and function associated with a higher risk of falls and fractures in older adults. Musculoskeletal aging leads to reduced muscle mass and strength, affecting the quality of life in elderly people. In recent years, several studies contributed to improve the knowledge of the pathophysiological alterations that lead to skeletal muscle dysfunction; however, the molecular mechanisms underlying sarcopenia are still not fully understood. Muscle development and homeostasis require a fine gene expression modulation by mechanisms in which microRNAs (miRNAs) play a crucial role. miRNAs modulate key steps of skeletal myogenesis including satellite cells renewal, skeletal muscle plasticity, and regeneration. Here, we provide an overview of the general aspects of muscle regeneration and miRNAs role in skeletal mass homeostasis and plasticity with a special interest in their expression in sarcopenia and skeletal muscle adaptation to exercise in the elderly.
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Shen X, Li Y, He F, Kong J. LncRNA CDKN2B-AS1 Promotes Cell Viability, Migration, and Invasion of Hepatocellular Carcinoma via Sponging miR-424-5p. Cancer Manag Res 2020; 12:6807-6819. [PMID: 32801906 PMCID: PMC7414928 DOI: 10.2147/cmar.s240000] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 06/06/2020] [Indexed: 12/12/2022] Open
Abstract
Objective Hepatocellular carcinoma (HCC) results in high mortality and metastasis. In this study, the effects of long non-coding RNA (lncRNA) CDKN2B-AS1 on the progression of HCC were investigated. Materials and Methods LncRNA CDKN2B-AS1 expression of HCC cancer and adjacent tissues, and HCC cells were detected. Subsequently, CDKN2B-AS1 was overexpressed and silenced in HCC cells to observe the effects of CDKN2B-AS1 on the cell viability, migration, invasion, and epithelial–mesenchymal transition (EMT) of HCC cells by performing cell counting kit-8 (CCK-8), wound-healing, Transwell, and Western blot. The target gene of CDKN2B-AS1 was predicted and verified to be miR-424-5p, whose expression in HCC cells with up- or down-regulation of CDKN2B-AS1 expression was determined. Moreover, the effects of miR-424-5p on cell viability, migration, and invasion and EMT of HCC cells were investigated with miR-424-5p up-regulation or down-regulation, together with overexpression or silencing of CDKN2B-AS1. Results CDKN2B-AS1 expression was increased in HCC tissues and cells. Silencing of CDKN2B-AS1 suppressed cell viability, migration, invasion, and EMT, while overexpression of CDKN2B-AS1 produced the opposite results. Furthermore, CDKN2B-AS1 was predicted and verified to target miR-424-5p and was confirmed to negatively modulate miR-424-5p expression. Moreover, overexpression of miR-424-5p partially suppressed the previously high cell viability, migration, and invasion, and activated EMT resulted from up-regulation of CDKN2B-AS1, while silencing of miR-424-5p elevated the cellular processes inhibited by silencing the expression of CDKN2B-AS1. Conclusion The present study revealed that high-expressed CDKN2B-AS1 may associate with the progression of HCC by affecting the cell viability, migration, invasion, and EMT of HCC cells by negatively regulating miR-424-5p.
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Affiliation(s)
- Xinying Shen
- Department of Interventional Radiology, Shenzhen People's Hospital, Shenzhen, Guangdong, People's Republic of China
| | - Yong Li
- Department of Interventional Radiology, Shenzhen People's Hospital, Shenzhen, Guangdong, People's Republic of China
| | - Fan He
- Department of Interventional Radiology, Shenzhen People's Hospital, Shenzhen, Guangdong, People's Republic of China
| | - Jian Kong
- Department of Interventional Radiology, Shenzhen People's Hospital, Shenzhen, Guangdong, People's Republic of China
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35
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Zacharewicz E, Kalanon M, Murphy RM, Russell AP, Lamon S. MicroRNA-99b-5p downregulates protein synthesis in human primary myotubes. Am J Physiol Cell Physiol 2020; 319:C432-C440. [PMID: 32608991 DOI: 10.1152/ajpcell.00172.2020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
microRNAs (miRNAs) are important regulators of cellular homeostasis and exert their effect by directly controlling protein expression. We have previously reported an age-dependent negative association between microRNA-99b (miR-99b-5p) expression and muscle protein synthesis in human muscle in vivo. Here we investigated the role of miR-99b-5p as a potential negative regulator of protein synthesis via inhibition of mammalian target for rapamycin (MTOR) signaling in human primary myocytes. Overexpressing miR-99b-5p in human primary myotubes from young and old subjects significantly decreased protein synthesis with no effect of donor age. A binding interaction between miR-99b-5p and its putative binding site within the MTOR 3'-untranslated region (UTR) was confirmed in C2C12 myoblasts. The observed decline in protein synthesis was, however, not associated with a suppression of the MTOR protein but of its regulatory associated protein of mTOR complex 1 (RPTOR). These results demonstrate that modulating the expression levels of a miRNA can regulate protein synthesis in human muscle cells and provide a potential mechanism for muscle wasting in vivo.
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Affiliation(s)
- Evelyn Zacharewicz
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Victoria, Australia
| | - Ming Kalanon
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Victoria, Australia
| | - Robyn M Murphy
- Department of Physiology, Anatomy and Microbiology, School of Life Sciences, La Trobe University, Melbourne, Victoria, Australia
| | - Aaron P Russell
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Victoria, Australia
| | - Séverine Lamon
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Victoria, Australia
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36
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Zhang L, Valizadeh H, Alipourfard I, Bidares R, Aghebati-Maleki L, Ahmadi M. Epigenetic Modifications and Therapy in Chronic Obstructive Pulmonary Disease (COPD): An Update Review. COPD 2020; 17:333-342. [PMID: 32558592 DOI: 10.1080/15412555.2020.1780576] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) that is one of the most prevalent chronic adult diseases and the third leading cause of fatality until 2020. Elastase/anti-elastase hypothesis, chronic inflammation, apoptosis, oxidant-antioxidant balance and infective repair cause pathogenesis of COPD are among the factors at play. Epigenetic changes are post-translational modifications in histone proteins and DNA such as methylation and acetylation as well as dysregulation of miRNAs expression. In this update review, we have examined recent studies on the upregulation or downregulation of methylation in different genes associated with COPD. Dysregulation of HDAC activity which is caused by some factors and miRNAs plays a key role in the suppression and reduction of COPD development. Also, some therapeutic approaches are proposed against COPD by targeting HDAC2 and miRNAs, which have therapeutic effects.
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Affiliation(s)
- Lingzhi Zhang
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Hamed Valizadeh
- Department of Internal Medicine and Pulmonology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran.,Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Iraj Alipourfard
- Faculty of Life Sciences, Center of pharmaceutical sciences, University of Vienna, Vienna, Austria.,Faculty of Sciences, School of Pharmacy, University of Rome Tor Vergata, Roma, Italy
| | - Ramtin Bidares
- Department of Experimental Medicine, Sapienza University, Rome, Italy
| | | | - Majid Ahmadi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
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37
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Zhao C, Zhao F, Chen H, Liu Y, Su J. MicroRNA-424-5p inhibits the proliferation, migration, and invasion of nasopharyngeal carcinoma cells by decreasing AKT3 expression. ACTA ACUST UNITED AC 2020; 53:e9029. [PMID: 32520206 PMCID: PMC7279695 DOI: 10.1590/1414-431x20209029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 01/29/2020] [Indexed: 01/22/2023]
Abstract
This study examined the expression and potential mechanism of microRNA (miRNA)-424-5p in nasopharyngeal carcinoma (NPC). NPC tissues were collected from 40 patients who were enrolled in the study, and skin samples were collected from 26 healthy subjects during plastic surgery as controls. We performed various in vitro assays using miR-424-5p to examine its function in primary NPC-1 cells. Bioinformatics was employed to analyze potential target genes and signaling pathways of miR-424-5p. We found that miR-424-5p expression in NPC tissues is downregulated and negatively correlated with lymph node metastasis and clinical staging. Expression of miR-424-5p in NPC cells was also downregulated, and transfection with miR-424-5p mimics inhibited proliferation, migration, and invasion of NPC-1 cells. Bioinformatics identified the AKT3 gene as a potential target of miR-424-5p and dual luciferase assays confirmed this finding. Upregulation of AKT3 expression rescued the inhibitory effect of miR-424-5p on the proliferation, migration, and invasion. Our results suggest that miR-424-5p inhibited the proliferation, migration, and invasion of NPC cells by decreasing AKT3 expression.
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Affiliation(s)
- Chong Zhao
- Guangxi Medical University, Nanning, China.,Department of Otorhinolaryngology and Head and Neck Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Feng Zhao
- Department of Otorhinolaryngology and Head and Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Huiying Chen
- Department of Otorhinolaryngology and Head and Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yuehua Liu
- Department of Otorhinolaryngology and Head and Neck Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Jiping Su
- Department of Otorhinolaryngology and Head and Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Yanai K, Kaneko S, Ishii H, Aomatsu A, Ito K, Hirai K, Ookawara S, Ishibashi K, Morishita Y. MicroRNAs in Sarcopenia: A Systematic Review. Front Med (Lausanne) 2020; 7:180. [PMID: 32549041 PMCID: PMC7270169 DOI: 10.3389/fmed.2020.00180] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/17/2020] [Indexed: 12/15/2022] Open
Abstract
Sarcopenia, which is characterized by the loss of skeletal muscle, has been reported to contribute to development of physical disabilities, various illnesses, and increasing mortality. MicroRNAs (miRNAs) are small non-coding RNAs that inhibit translation of target messenger RNAs. Previous studies have shown that miRNAs play pivotal roles in the development of sarcopenia. Therefore, this systematic review focuses on miRNAs that regulate sarcopenia.
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Affiliation(s)
- Katsunori Yanai
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Shohei Kaneko
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Hiroki Ishii
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Akinori Aomatsu
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan.,Division of Intensive Care Unit, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Kiyonori Ito
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Keiji Hirai
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Susumu Ookawara
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
| | - Kenichi Ishibashi
- Department of Medical Physiology, Meiji Pharmaceutical University, Tokyo, Japan
| | - Yoshiyuki Morishita
- Division of Nephrology, First Department of Integrated Medicine, Saitama Medical Center, Jichi Medical University, Saitama, Japan
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MyomirDB: A unified database and server platform for muscle atrophy myomiRs, coregulatory networks and regulons. Sci Rep 2020; 10:8593. [PMID: 32451429 PMCID: PMC7248120 DOI: 10.1038/s41598-020-65319-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 04/28/2020] [Indexed: 12/14/2022] Open
Abstract
Muscular atrophy or muscle loss is a multifactorial clinical condition during many critical illnesses like cancer, cardiovascular diseases, diabetes, pulmonary diseases etc. leading to fatigue and weakness and contributes towards a decreased quality of life. The proportion of older adults (>65 y) in the overall population is also growing and aging is another important factor causing muscle loss. Some muscle miRNAs (myomiRs) and their target genes have even been proposed as potential diagnostic, therapeutic and predictive markers for muscular atrophy. MyomirDB (http://www.myomirdb.in/) is a unique resource that provides a comprehensive, curated, user- friendly and detailed compilation of various miRNA bio-molecular interactions; miRNA-Transcription Factor-Target Gene co-regulatory networks and ~8000 tripartite regulons associated with 247 myomiRs which have been experimentally validated to be associated with various muscular atrophy conditions. For each database entry, MyomirDB compiles source organism, muscle atrophic condition, experiment duration, its level of expression, fold change, tissue of expression, experimental validation, disease and drug association, tissue-specific expression level, Gene Ontology and KEGG pathway associations. The web resource is a unique server platform which uses in-house scripts to construct miRNA-Transcription Factor-Target Gene co-regulatory networks and extract tri-partite regulons also called Feed Forward Loops. These unique features helps to offer mechanistic insights in disease pathology. Hence, MyomirDB is a unique platform for researchers working in this area to explore, fetch, compare and analyse atrophy associated miRNAs, their co-regulatory networks and FFL regulons.
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40
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Li C, Zhang M, Dai Y, Xu Z. MicroRNA‐424‐5p regulates aortic smooth muscle cell function in atherosclerosis by blocking APOC3‐mediated nuclear factor‐κB signalling pathway. Exp Physiol 2020; 105:1035-1049. [PMID: 31912930 DOI: 10.1113/ep088088] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 01/06/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Chuanfang Li
- Graduate SchoolTianjin Medical University Tianjin 272000 PR China
- Department of CardiologyAffiliated Hospital of Jining Medical University Jining 272029 PR China
| | - Meng Zhang
- Department of CardiologyAffiliated Hospital of Jining Medical University Jining 272029 PR China
| | - Yuchuan Dai
- Department of CardiologyAffiliated Hospital of Jining Medical University Jining 272029 PR China
| | - Zesheng Xu
- Department of CardiologyCangzhou Central Hospital Cangzhou 061001 PR China
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41
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The Emerging Role of MicroRNAs and Other Non-Coding RNAs in Cancer Cachexia. Cancers (Basel) 2020; 12:cancers12041004. [PMID: 32325796 PMCID: PMC7226600 DOI: 10.3390/cancers12041004] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/14/2020] [Accepted: 04/16/2020] [Indexed: 12/14/2022] Open
Abstract
Cancer cachexia or wasting is a paraneoplastic syndrome characterized by systemic inflammation and an involuntary loss of body mass that cannot be reversed by normal nutritional support. This syndrome affects 50%–80% of cancer patients, depending on the tumor type and patient characteristics, and it is responsible for up to 20% of cancer deaths. MicroRNAs are a class of non-coding RNAs (ncRNAs) with 19 to 24 nucleotides in length of which the function is to regulate gene expression. In the last years, microRNAs and other ncRNAs have been demonstrated to have a crucial role in the pathogenesis of several diseases and clinical potential. Recently, ncRNAs have begun to be associated with cancer cachexia by modulating essential functions like the turnover of skeletal muscle and adipose tissue. Additionally, circulating microRNAs have been suggested as potential biomarkers for patients at risk of developing cancer cachexia. In this review article, we present recent data concerning the role of microRNAs and other ncRNAs in cancer cachexia pathogenesis and their possible clinical relevance.
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42
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van de Worp WRPH, Schols AMWJ, Dingemans AMC, Op den Kamp CMH, Degens JHRJ, Kelders MCJM, Coort S, Woodruff HC, Kratassiouk G, Harel-Bellan A, Theys J, van Helvoort A, Langen RCJ. Identification of microRNAs in skeletal muscle associated with lung cancer cachexia. J Cachexia Sarcopenia Muscle 2020; 11:452-463. [PMID: 31828982 PMCID: PMC7113505 DOI: 10.1002/jcsm.12512] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 08/08/2019] [Accepted: 10/07/2019] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Cachexia, highly prevalent in patients with non-small cell lung cancer (NSCLC), impairs quality of life and is associated with reduced tolerance and responsiveness to cancer therapy and decreased survival. MicroRNAs (miRNAs) are small non-coding RNAs that play a central role in post-transcriptional gene regulation. Changes in intramuscular levels of miRNAs have been implicated in muscle wasting conditions. Here, we aimed to identify miRNAs that are differentially expressed in skeletal muscle of cachectic lung cancer patients to increase our understanding of cachexia and to allow us to probe their potential as therapeutic targets. METHODS A total of 754 unique miRNAs were profiled and analysed in vastus lateralis muscle biopsies of newly diagnosed treatment-naïve NSCLC patients with cachexia (n = 8) and age-matched and sex-matched healthy controls (n = 8). miRNA expression analysis was performed using a TaqMan MicroRNA Array. In silico network analysis was performed on all significant differentially expressed miRNAs. Differential expression of the top-ranked miRNAs was confirmed using reverse transcription-quantitative real-time PCR in an extended group (n = 48) consisting of NSCLC patients with (n = 15) and without cachexia (n = 11) and healthy controls (n = 22). Finally, these miRNAs were subjected to univariate and multivariate Cox proportional hazard analysis using overall survival and treatment-induced toxicity data obtained during the follow-up of this group of patients. RESULTS We identified 28 significant differentially expressed miRNAs, of which five miRNAs were up-regulated and 23 were down-regulated. In silico miRNA-target prediction analysis showed 158 functional gene targets, and pathway analysis identified 22 pathways related to the degenerative or regenerative processes of muscle tissue. Subsequently, the expression of six top-ranked miRNAs was measured in muscle biopsies of the entire patient group. Five miRNAs were detectable with reverse transcription-quantitative real-time PCR analysis, and their altered expression (expressed as fold change, FC) was confirmed in muscle of cachectic NSCLC patients compared with healthy control subjects: miR-424-5p (FC = 4.5), miR-424-3p (FC = 12), miR-450a-5p (FC = 8.6), miR-144-5p (FC = 0.59), and miR-451a (FC = 0.57). In non-cachectic NSCLC patients, only miR-424-3p was significantly increased (FC = 5.6) compared with control. Although the statistical support was not sufficient to imply these miRNAs as individual predictors of overall survival or treatment-induced toxicity, when combined in multivariate analysis, miR-450-5p and miR-451a resulted in a significant stratification between short-term and long-term survival. CONCLUSIONS We identified differentially expressed miRNAs putatively involved in lung cancer cachexia. These findings call for further studies to investigate the causality of these miRNAs in muscle atrophy and the mechanisms underlying their differential expression in lung cancer cachexia.
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Affiliation(s)
- Wouter R P H van de Worp
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Annemie M W J Schols
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Anne-Marie C Dingemans
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Céline M H Op den Kamp
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Juliette H R J Degens
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Marco C J M Kelders
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Susan Coort
- Department of Bioinformatics-BiGCaT, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Henry C Woodruff
- Department of Precision Medicine, GROW, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Gueorqui Kratassiouk
- Plateforme ARN interférence, Service de Biologie Intégrative et de Génétique Moléculaire (SBIGeM), I2BC, CEA, CNRS, University of Paris-Saclay, Paris, France
| | - Annick Harel-Bellan
- Laboratory of Epigenetics and Cancer, Institut de Hautes Études Scientifiques, University of Paris-Saclay, Paris, France
| | - Jan Theys
- Department of Precision Medicine, GROW, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Ardy van Helvoort
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands.,Nutricia Research, Nutricia Advanced Medical Nutrition, Utrecht, The Netherlands
| | - Ramon C J Langen
- Department of Respiratory Medicine, NUTRIM, Maastricht University Medical Center+, Maastricht, The Netherlands
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Connolly M, Garfield BE, Crosby A, Morrell NW, Wort SJ, Kemp PR. miR-1-5p targets TGF-βR1 and is suppressed in the hypertrophying hearts of rats with pulmonary arterial hypertension. PLoS One 2020; 15:e0229409. [PMID: 32109943 PMCID: PMC7048278 DOI: 10.1371/journal.pone.0229409] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/05/2020] [Indexed: 01/09/2023] Open
Abstract
The microRNA miR-1 is an important regulator of muscle phenotype including cardiac muscle. Down-regulation of miR-1 has been shown to occur in left ventricular hypertrophy but its contribution to right ventricular hypertrophy in pulmonary arterial hypertension are not known. Previous studies have suggested that miR-1 may suppress transforming growth factor-beta (TGF-β) signalling, an important pro-hypertrophic pathway but only indirect mechanisms of regulation have been identified. We identified the TGF-β type 1 receptor (TGF-βR1) as a putative miR-1 target. We therefore hypothesized that miR-1 and TGF-βR1 expression would be inversely correlated in hypertrophying right ventricle of rats with pulmonary arterial hypertension and that miR-1 would inhibit TGF-β signalling by targeting TGF-βR1 expression. Quantification of miR-1 and TGF-βR1 in rats treated with monocrotaline to induce pulmonary arterial hypertension showed appropriate changes in miR-1 and TGF-βR1 expression in the hypertrophying right ventricle. A miR-1-mimic reduced enhanced green fluorescent protein expression from a reporter vector containing the TGF-βR1 3’- untranslated region and knocked down endogenous TGF-βR1. Lastly, miR-1 reduced TGF-β activation of a (mothers against decapentaplegic homolog) SMAD2/3-dependent reporter. Taken together, these data suggest that miR-1 targets TGF-βR1 and reduces TGF-β signalling, so a reduction in miR-1 expression may increase TGF-β signalling and contribute to cardiac hypertrophy.
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Affiliation(s)
- Martin Connolly
- Molecular Medicine, National Heart & Lung Institute, Imperial College London, London, United Kingdom
| | - Benjamin E. Garfield
- Molecular Medicine, National Heart & Lung Institute, Imperial College London, London, United Kingdom
- National Pulmonary Hypertension Centre at the Royal Brompton and Harefield NHS Trust and National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Alexi Crosby
- Department of Medicine, Addenbrooke’s Hospital, University of Cambridge, Cambridge, United Kingdom
| | - Nick W. Morrell
- Department of Medicine, Addenbrooke’s Hospital, University of Cambridge, Cambridge, United Kingdom
| | - Stephen J. Wort
- National Pulmonary Hypertension Centre at the Royal Brompton and Harefield NHS Trust and National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Paul R. Kemp
- Molecular Medicine, National Heart & Lung Institute, Imperial College London, London, United Kingdom
- * E-mail:
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Geng H, Song Q, Cheng Y, Li H, Yang R, Liu S, Hao L. MicroRNA 322 Aggravates Dexamethasone-Induced Muscle Atrophy by Targeting IGF1R and INSR. Int J Mol Sci 2020; 21:E1111. [PMID: 32046161 PMCID: PMC7043225 DOI: 10.3390/ijms21031111] [Citation(s) in RCA: 9] [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: 01/09/2020] [Revised: 02/02/2020] [Accepted: 02/03/2020] [Indexed: 01/08/2023] Open
Abstract
Dexamethasone (Dex) has been widely used as a potent anti-inflammatory, antishock, and immunosuppressive agent. However, high dose or long-term use of Dex is accompanied by side effects including skeletal muscle atrophy, whose underlying mechanisms remain incompletely understood. A number of microRNAs (miRNAs) have been shown to play key roles in skeletal muscle atrophy. Previous studies showed significantly increased miR-322 expression in Dex-treated C2C12 myotubes. In our study, the glucocorticoid receptor (GR) was required for Dex to increase miR-322 expression in C2C12 myotubes. miR-322 mimic or miR-322 inhibitor was used for regulating the expression of miR-322. Insulin-like growth factor 1 receptor (IGF1R) and insulin receptor (INSR) were identified as target genes of miR-322 using luciferase reporter assays and played key roles in Dex-induced muscle atrophy. miR-322 overexpression promoted atrophy in Dex-treated C2C12 myotubes and the gastrocnemius muscles of mice. Conversely, miR-322 inhibition showed the opposite effects. These data suggested that miR-322 contributes to Dex-induced muscle atrophy via targeting of IGF1R and INSR. Furthermore, miR-322 might be a potential target to counter Dex-induced muscle atrophy. miR-322 inhibition might also represent a therapeutic approach for Dex-induced muscle atrophy.
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Affiliation(s)
- Hongwei Geng
- College of Animal Science, Jilin University, Changchun 130062, China; (H.G.); (Y.C.); (H.L.); (S.L.)
| | - Qinglong Song
- State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, China;
- Beijing Key Laboratory of Bio-Feed Additives, Beijing 100193, China
| | - Yunyun Cheng
- College of Animal Science, Jilin University, Changchun 130062, China; (H.G.); (Y.C.); (H.L.); (S.L.)
| | - Haoyang Li
- College of Animal Science, Jilin University, Changchun 130062, China; (H.G.); (Y.C.); (H.L.); (S.L.)
| | - Rui Yang
- College of Animal Science, Jilin University, Changchun 130062, China; (H.G.); (Y.C.); (H.L.); (S.L.)
| | - Songcai Liu
- College of Animal Science, Jilin University, Changchun 130062, China; (H.G.); (Y.C.); (H.L.); (S.L.)
- Five-Star Animal Health Pharmaceutical Factory of Jilin Province, Changchun 130062, China
| | - Linlin Hao
- College of Animal Science, Jilin University, Changchun 130062, China; (H.G.); (Y.C.); (H.L.); (S.L.)
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Anker MS, Anker SD, Coats AJ, von Haehling S. The Journal of Cachexia, Sarcopenia and Muscle stays the front-runner in geriatrics and gerontology. J Cachexia Sarcopenia Muscle 2019; 10:1151-1164. [PMID: 31821753 PMCID: PMC6903443 DOI: 10.1002/jcsm.12518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Markus S. Anker
- Division of Cardiology and Metabolism, Department of CardiologyCharité Universitätsmedizin BerlinBerlinGermany
- Berlin Institute of Health Center for Regenerative Therapies (BCRT)BerlinGermany
- German Centre for Cardiovascular Research (DZHK) partner site BerlinBerlinGermany
- Department of CardiologyCharité Campus Benjamin FranklinBerlinGermany
| | - Stefan D. Anker
- Division of Cardiology and Metabolism, Department of CardiologyCharité Universitätsmedizin BerlinBerlinGermany
- Berlin Institute of Health Center for Regenerative Therapies (BCRT)BerlinGermany
- German Centre for Cardiovascular Research (DZHK) partner site BerlinBerlinGermany
- Department of Cardiology (CVK)Charité Universitätsmedizin BerlinBerlinGermany
- Charité Universitätsmedizin BerlinBerlinGermany
| | | | - Stephan von Haehling
- Department of Cardiology and Pneumology, Heart Center GöttingenUniversity of Göttingen Medical Center, Georg‐August‐UniversityGöttingenGermany
- German Center for Cardiovascular Medicine (DZHK), partner site GöttingenGöttingenGermany
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Robinson KA, Baker LA, Graham-Brown MPM, Watson EL. Skeletal muscle wasting in chronic kidney disease: the emerging role of microRNAs. Nephrol Dial Transplant 2019; 35:1469-1478. [DOI: 10.1093/ndt/gfz193] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 08/27/2019] [Indexed: 12/17/2022] Open
Abstract
Abstract
Skeletal muscle wasting is a common complication of chronic kidney disease (CKD), characterized by the loss of muscle mass, strength and function, which significantly increases the risk of morbidity and mortality in this population. Numerous complications associated with declining renal function and lifestyle activate catabolic pathways and impair muscle regeneration, resulting in substantial protein wasting. Evidence suggests that increasing skeletal muscle mass improves outcomes in CKD, making this a clinically important research focus. Despite extensive research, the pathogenesis of skeletal muscle wasting is not completely understood. It is widely recognized that microRNAs (miRNAs), a family of short non-coding RNAs, are pivotal in the regulation of skeletal muscle homoeostasis, with significant roles in regulating muscle growth, regeneration and metabolism. The abnormal expression of miRNAs in skeletal muscle during disease has been well described in cellular and animal models of muscle atrophy, and in recent years, the involvement of miRNAs in the regulation of muscle atrophy in CKD has been demonstrated. As this exciting field evolves, there is emerging evidence for the involvement of miRNAs in a beneficial crosstalk system between skeletal muscle and other organs that may potentially limit the progression of CKD. In this article, we describe the pathophysiological mechanisms of muscle wasting and explore the contribution of miRNAs to the development of muscle wasting in CKD. We also discuss advances in our understanding of miRNAs in muscle–organ crosstalk and summarize miRNA-based therapeutics currently in clinical trials.
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Affiliation(s)
- Kate A Robinson
- Department of Infection Immunity and Inflammation, College of Life Sciences, University of Leicester, Leicester, UK
| | - Luke A Baker
- Department of Health Sciences, College of Life Sciences, George Davies Centre, University of Leicester, Leicester, UK
| | - Matthew P M Graham-Brown
- Department of Cardiovascular Sciences, University of Leicester and NIHR Leicester Cardiovascular Biomedical Research Centre, Glenfield Hospital Leicester, Leicester, UK
| | - Emma L Watson
- Department of Cardiovascular Sciences, University of Leicester and NIHR Leicester Cardiovascular Biomedical Research Centre, Glenfield Hospital Leicester, Leicester, UK
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Zhang X, Cai S, Chen L, Yuan R, Nie Y, Ding S, Fang Y, Zhu Q, Chen K, Wei H, Chen Y, Mo D. Integrated miRNA-mRNA transcriptomic analysis reveals epigenetic-mediated embryonic muscle growth differences between Wuzhishan and Landrace pigs1. J Anim Sci 2019; 97:1967-1978. [PMID: 31222274 DOI: 10.1093/jas/skz091] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 03/08/2019] [Indexed: 02/07/2023] Open
Abstract
Pig is one of the major dietary protein sources for human consumption, from which muscle is the largest protein origin. However, molecular mechanisms concerning early porcine embryonic muscle development distinctions between pig breeds are still unclear. In this study, an integrated analysis of transcriptome and miRNAome was conducted using longissimus dorsi muscle of 4 early embryonic stages around the primary myofiber formation time (18-, 21-, 28-, and 35-d post coitus) from 2 pig breeds (Landrace [LR] and Wuzhishan [WZS]) differing in meat mass. The global miRNA/mRNA expression profile showed that WZS prepared for myogenic developmental processes earlier than LR. After identifying and analyzing the interaction network of top 100 up-/down-regulated miRNA and their target genes, we were able to find 3 gene clusters: chromatin modification-related (Chd2, H3f3a, Chd6, and Mll1), myogenesis-related (Pax3, Pbx1, Mef2a, and Znf423), and myosin component-related (Mylk, Myo5a, Mylk4, Myh9, and Mylk2) gene clusters. These genes may involve in miRNA-gene myogenic regulatory network that plays vital role in regulating distinct early porcine embryonic myogenic processes between LR and WZS. In summary, our study reveals an epigenetic-mediated myogenic regulatory axial that will help us to decipher molecular mechanisms concerning early porcine embryonic muscle development distinctions between pig breeds.
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Affiliation(s)
- Xumeng Zhang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China.,Shenzhen Kingsino Technology Co., Ltd., Shenzhen, Guangdong, China
| | - Shufang Cai
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Luxi Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Renqiang Yuan
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yaping Nie
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Suying Ding
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Ying Fang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Qi Zhu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Keren Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Hong Wei
- Shenzhen Kingsino Technology Co., Ltd., Shenzhen, Guangdong, China
| | - Yaosheng Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Delin Mo
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
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Okugawa Y, Toiyama Y, Hur K, Yamamoto A, Yin C, Ide S, Kitajima T, Fujikawa H, Yasuda H, Koike Y, Okita Y, Hiro J, Yoshiyama S, Araki T, Miki C, McMillan DC, Goel A, Kusunoki M. Circulating miR-203 derived from metastatic tissues promotes myopenia in colorectal cancer patients. J Cachexia Sarcopenia Muscle 2019; 10:536-548. [PMID: 31091026 PMCID: PMC6596405 DOI: 10.1002/jcsm.12403] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 01/09/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Sarcopenia frequently occurs in metastatic cancer patients. Emerging evidence has revealed that various secretory products from metastatic tumours can influence host organs and promote sarcopenia in patients with malignancies. Furthermore, the biological functions of microRNAs in cell-to-cell communication by incorporating into neighbouring or distal cells, which have been gradually elucidated in various diseases, including sarcopenia, have been elucidated. METHODS We evaluated psoas muscle mass index (PMI) and intramuscular adipose tissue content (IMAC) using pre-operative computed tomography imaging in 183 colorectal cancer (CRC) patients. miR-203 expression levels in CRC tissues and pre-operative serum were evaluated using quantitative polymerase chain reaction. Functional analysis of miR-203 overexpression was investigated in human skeletal muscle cells (SkMCs), and cells were analysed for proliferation and apoptosis. Expressions of several putative miR-203 target genes (CASP3, CASP10, BIRC5, BMI1, BIRC2, and BIRC3) in SKMCs were validated. RESULTS A total of 183 patients (108 men and 75 women) were included. The median age of enrolled patients at diagnosis was 68.0 years (range 35-89 years). High IMAC status significantly correlated with female gender (P = 0.004) and older age (P = 0.0003); however, no other clinicopathological factors correlated with IMAC status in CRC patients. In contrast, decreased PMI significantly correlated with female gender (P = 0.006) and all well-established disease development factors, including advanced T stage (P = 0.035), presence of venous invasion (P = 0.034), lymphovascular invasion (P = 0.012), lymph node (P = 0.001), distant metastasis (P = 0.002), and advanced Union for International Cancer Control tumour-node-metastasis stage classification (P = 0.0004). Although both high IMAC status and low PMI status significantly correlated with poor overall survival (IMAC: P = 0.0002; PMI: P < 0.0001; log-rank test) and disease-free survival (IMAC: P = 0.0003; PMI: P = 0.0002; log-rank test), multivariate Cox's regression analysis revealed that low PMI was an independent prognostic factor for both overall survival (hazard ratio: 4.69, 95% confidence interval (CI): 2.19-10, P = 0.0001) and disease-free survival (hazard ratio: 2.33, 95% CI: 1.14-4.77, P = 0.021) in CRC patients. Serum miR-203 expression negatively correlated with pre-operative PMI level (P = 0.0001, ρ = -0.25), and multivariate logistic regression analysis revealed that elevated serum miR-203 was an independent risk factor for myopenia (low PMI) in CRC patients (odds ratio: 5.16, 95% CI: 1.8-14.8, P = 0.002). Overexpression of miR-203 inhibited cell proliferation and induced apoptosis via down-regulation of BIRC5 (survivin) expression in human SkMC line. CONCLUSIONS Assessment of serum miR-203 expression could be used for risk assessment of myopenia, and miR-203 might be a novel therapeutic target for inhibition of myopenia in CRC.
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Affiliation(s)
- Yoshinaga Okugawa
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Yuji Toiyama
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Keun Hur
- Department of Biochemistry and Cell Biology, School of MedicineKyungpook National UniversityDaeguKorea
| | - Akira Yamamoto
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Chengzeng Yin
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Shozo Ide
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Takahito Kitajima
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Hiroyuki Fujikawa
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Hiromi Yasuda
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Yuhki Koike
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Yoshiki Okita
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Junichiro Hiro
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Shigeyuki Yoshiyama
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Toshimitsu Araki
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
| | - Chikao Miki
- Department of SurgeryIga Municipal Ueno General Citizen's HospitalIgaMieJapan
| | - Donald C. McMillan
- Academic Unit of Surgery, School of MedicineUniversity of Glasgow, Glasgow Royal InfirmaryGlasgowUK
| | - Ajay Goel
- Center for Gastrointestinal Research, Center for Translational Genomics and Oncology, Baylor Scott & White Research Institute, Charles A. Sammons Cancer CenterBaylor University Medical CenterDallasTXUSA
| | - Masato Kusunoki
- Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of Life SciencesMie University Graduate School of MedicineJapan
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Farre-Garros R, Lee JY, Natanek SA, Connolly M, Sayer AA, Patel H, Cooper C, Polkey MI, Kemp PR. Quadriceps miR-542-3p and -5p are elevated in COPD and reduce function by inhibiting ribosomal and protein synthesis. J Appl Physiol (1985) 2019; 126:1514-1524. [PMID: 30676868 PMCID: PMC6551227 DOI: 10.1152/japplphysiol.00882.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 01/04/2019] [Accepted: 01/21/2019] [Indexed: 01/07/2023] Open
Abstract
Reduced physical performance reduces quality of life in patients with chronic obstructive pulmonary disease (COPD). Impaired physical performance is, in part, a consequence of reduced muscle mass and function, which is accompanied by mitochondrial dysfunction. We recently showed that miR-542-3p and miR-542-5p were elevated in a small cohort of COPD patients and more markedly in critical care patients. In mice, these microRNAs (miRNAs) promoted mitochondrial dysfunction suggesting that they would affect physical performance in patients with COPD, but we did not explore the association of these miRNAs with disease severity or physical performance further. We therefore quantified miR-542-3p/5p and mitochondrial rRNA expression in RNA extracted from quadriceps muscle of patients with COPD and determined their association with physical performance. As miR-542-3p inhibits ribosomal protein synthesis its ability to inhibit protein synthesis was also determined in vitro. Both miR-542-3p expression and -5p expression were elevated in patients with COPD (5-fold P < 0.001) and the degree of elevation associated with impaired lung function (transfer capacity of the lung for CO in % and forced expiratory volume in 1 s in %) and physical performance (6-min walk distance in %). In COPD patients, the ratio of 12S rRNA to 16S rRNA was suppressed suggesting mitochondrial ribosomal stress and mitochondrial dysfunction and miR-542-3p/5p expression was inversely associated with mitochondrial gene expression and positively associated with p53 activity. miR-542-3p suppressed RPS23 expression and maximal protein synthesis in vitro. Our data show that miR-542-3p and -5p expression is elevated in COPD patients and may suppress physical performance at least in part by inhibiting mitochondrial and cytoplasmic ribosome synthesis and suppressing protein synthesis. NEW & NOTEWORTHY miR-542-3p and -5p are elevated in the quadriceps muscle of patients with chronic obstructive pulmonary disease (COPD) in proportion to the severity of their lung disease. These microRNAs inhibit mitochondrial and cytoplasmic protein synthesis suggesting that they contribute to impaired exercise performance in COPD.
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Affiliation(s)
- Roser Farre-Garros
- Molecular Medicine Section, National Heart and Lung Institute, Imperial College, South Kensington Campus, London , United Kingdom
| | - Jen Y Lee
- Molecular Medicine Section, National Heart and Lung Institute, Imperial College, South Kensington Campus, London , United Kingdom
| | - S Amanda Natanek
- Molecular Medicine Section, National Heart and Lung Institute, Imperial College, South Kensington Campus, London , United Kingdom
| | - Martin Connolly
- Molecular Medicine Section, National Heart and Lung Institute, Imperial College, South Kensington Campus, London , United Kingdom
| | - Avan A Sayer
- Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital , Southampton , United Kingdom
- Academic Geriatric Medicine, Faculty of Medicine, University of Southampton , Southampton , United Kingdom
- Ageing Geriatrics and Epidemiology Research Group, Institute of Neuroscience, Faculty of Medical Sciences, Newcastle University , Newcastle upon Tyne , United Kingdom
- National Institute for Health Research Newcastle Biomedical Research Centre, Newcastle upon Tyne Hospitals National Health Service Foundation Trust and Newcastle University , Newcastle upon Tyne , United Kingdom
| | - Harnish Patel
- Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital , Southampton , United Kingdom
- Academic Geriatric Medicine, Faculty of Medicine, University of Southampton , Southampton , United Kingdom
| | - Cyrus Cooper
- Medical Research Council Lifecourse Epidemiology Unit, University of Southampton, Southampton General Hospital , Southampton , United Kingdom
| | - Michael I Polkey
- National Institute for Health Research Respiratory Biomedical Research Unit at Royal Brompton and Harefield National Health Service Foundation Trust and Imperial College , London , United Kingdom
| | - Paul R Kemp
- Molecular Medicine Section, National Heart and Lung Institute, Imperial College, South Kensington Campus, London , United Kingdom
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50
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Carámbula A, Visca A, D’Amico S, Angulo M. Respiratory and Peripheral Muscle Assessment in the Intensive Care Unit. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.arbr.2019.03.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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