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Shintani-Ishida K, Tsurumi R, Ikegaya H. Decrease in the expression of muscle-specific miRNAs, miR-133a and miR-1, in myoblasts with replicative senescence. PLoS One 2023; 18:e0280527. [PMID: 36649291 PMCID: PMC9844915 DOI: 10.1371/journal.pone.0280527] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/29/2022] [Indexed: 01/18/2023] Open
Abstract
Muscles that are injured or atrophied by aging undergo myogenic regeneration. Although myoblasts play a pivotal role in myogenic regeneration, their function is impaired with aging. MicroRNAs (miRNAs) are also involved in myogenic regeneration. MiRNA (miR)-1 and miR-133a are muscle-specific miRNAs that control the proliferation and differentiation of myoblasts. In this study, we determined whether miR-1 and miR-133a expression in myoblasts is altered with cellular senescence and involved in senescence-impaired myogenic differentiation. C2C12 murine skeletal myoblasts were converted to a replicative senescent state by culturing to a high passage number. Although miR-1 and miR-133a expression was largely induced during myogenic differentiation, expression was suppressed in cells at high passage numbers (passage 10 and/or passage 20). Although the senescent myoblasts exhibited a deterioration of myogenic differentiation, transfection of miR-1 or miR-133a into myoblasts ameliorated cell fusion. Treatment with the glutaminase 1 inhibitor, BPTES, removed senescent cells from C2C12 myoblasts with a high passage number, whereas myotube formation and miR-133a expression was increased. In addition, primary cultured myoblasts prepared from aged C57BL/6J male mice (20 months old) exhibited a decrease in miR-1 and miR-133a levels compared with younger mice (3 months old). The results suggest that replicative senescence suppresses muscle-specific miRNA expression in myoblasts, which contributes to the senescence-related dysfunction of myogenic regeneration.
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Affiliation(s)
- Kaori Shintani-Ishida
- Department of Forensic Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Riko Tsurumi
- Department of Forensic Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hiroshi Ikegaya
- Department of Forensic Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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2
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miR-133a-A Potential Target for Improving Cardiac Mitochondrial Health and Regeneration After Injury. J Cardiovasc Pharmacol 2022; 80:187-193. [PMID: 35500168 DOI: 10.1097/fjc.0000000000001279] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 04/01/2022] [Indexed: 11/26/2022]
Abstract
ABSTRACT The various roles of muscle secretory factors and myokines have been well studied, but in recent decades, the role of myocyte-specific microRNAs (myomiRs) has gained momentum. These myomiRs are known to play regulatory roles in muscle health in general, both skeletal muscle and cardiac muscle. In this review, we have focused on the significance of a myomiR termed miR-133a in cardiovascular health. The available literature supports the claim that miR-133a could be helpful in the healing process of muscle tissue after injury. The protective function could be due to its regulatory effect on muscle or stem cell mitochondrial function. In this review, we have shed light on the protective mechanisms offered by miR-133a. Most of the beneficial effects are due to the presence of miR-133a in circulation or tissue-specific expression. We have also reviewed the potential mechanisms by which miR-133a could interact with cell surface receptors and also transcriptional mechanisms by which they offer cardioprotection and regeneration. Understanding these mechanisms will help in finding an ideal strategy to repair cardiac tissue after injury.
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3
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Huang XH, Li JL, Li XY, Wang SX, Jiao ZH, Li SQ, Liu J, Ding J. miR-208a in Cardiac Hypertrophy and Remodeling. Front Cardiovasc Med 2021; 8:773314. [PMID: 34957257 PMCID: PMC8695683 DOI: 10.3389/fcvm.2021.773314] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/22/2021] [Indexed: 01/01/2023] Open
Abstract
Various stresses, including pressure overload and myocardial stretch, can trigger cardiac remodeling and result in heart diseases. The disorders are associated with high risk of morbidity and mortality and are among the major health problems in the world. MicroRNAs, a class of ~22nt-long small non-coding RNAs, have been found to participate in regulating heart development and function. One of them, miR-208a, a cardiac-specific microRNA, plays key role(s) in modulating gene expression in the heart, and is involved in a broad array of processes in cardiac pathogenesis. Genetic deletion or pharmacological inhibition of miR-208a in rodents attenuated stress-induced cardiac hypertrophy and remodeling. Transgenic expression of miR-208a in the heart was sufficient to cause hypertrophic growth of cardiomyocytes. miR-208a is also a key regulator of cardiac conduction system, either deletion or transgenic expression of miR-208a disturbed heart electrophysiology and could induce arrhythmias. In addition, miR-208a appeared to assist in regulating the expression of fast- and slow-twitch myofiber genes in the heart. Notably, this heart-specific miRNA could also modulate the “endocrine” function of cardiac muscle and govern the systemic energy homeostasis in the whole body. Despite of the critical roles, the underlying regulatory networks involving miR-208a are still elusive. Here, we summarize the progress made in understanding the function and mechanisms of this important miRNA in the heart, and propose several topics to be resolved as well as the hypothetical answers. We speculate that miR-208a may play diverse and even opposite roles by being involved in distinct molecular networks depending on the contexts. A deeper understanding of the precise mechanisms of its action under the conditions of cardiac homeostasis and diseases is needed. The clinical implications of miR-208a are also discussed.
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Affiliation(s)
- Xing-Huai Huang
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Jia-Lu Li
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Xin-Yue Li
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Shu-Xia Wang
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Zhi-Han Jiao
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Si-Qi Li
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
| | - Jun Liu
- Department of Orthopaedics, Jiangsu Provincial Hospital of Traditional Chinese Medicine, Affiliated to Nanjing University of Chinese Traditional Medicine, Nanjing, China
| | - Jian Ding
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
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Shi DL, Grifone R. RNA-Binding Proteins in the Post-transcriptional Control of Skeletal Muscle Development, Regeneration and Disease. Front Cell Dev Biol 2021; 9:738978. [PMID: 34616743 PMCID: PMC8488162 DOI: 10.3389/fcell.2021.738978] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/31/2021] [Indexed: 12/21/2022] Open
Abstract
Embryonic myogenesis is a temporally and spatially regulated process that generates skeletal muscle of the trunk and limbs. During this process, mononucleated myoblasts derived from myogenic progenitor cells within the somites undergo proliferation, migration and differentiation to elongate and fuse into multinucleated functional myofibers. Skeletal muscle is the most abundant tissue of the body and has the remarkable ability to self-repair by re-activating the myogenic program in muscle stem cells, known as satellite cells. Post-transcriptional regulation of gene expression mediated by RNA-binding proteins is critically required for muscle development during embryogenesis and for muscle homeostasis in the adult. Differential subcellular localization and activity of RNA-binding proteins orchestrates target gene expression at multiple levels to regulate different steps of myogenesis. Dysfunctions of these post-transcriptional regulators impair muscle development and homeostasis, but also cause defects in motor neurons or the neuromuscular junction, resulting in muscle degeneration and neuromuscular disease. Many RNA-binding proteins, such as members of the muscle blind-like (MBNL) and CUG-BP and ETR-3-like factors (CELF) families, display both overlapping and distinct targets in muscle cells. Thus they function either cooperatively or antagonistically to coordinate myoblast proliferation and differentiation. Evidence is accumulating that the dynamic interplay of their regulatory activity may control the progression of myogenic program as well as stem cell quiescence and activation. Moreover, the role of RNA-binding proteins that regulate post-transcriptional modification in the myogenic program is far less understood as compared with transcription factors involved in myogenic specification and differentiation. Here we review past achievements and recent advances in understanding the functions of RNA-binding proteins during skeletal muscle development, regeneration and disease, with the aim to identify the fundamental questions that are still open for further investigations.
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Affiliation(s)
- De-Li Shi
- Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.,Developmental Biology Laboratory, CNRS-UMR 7622, Institut de Biologie de Paris-Seine, Sorbonne University, Paris, France
| | - Raphaëlle Grifone
- Developmental Biology Laboratory, CNRS-UMR 7622, Institut de Biologie de Paris-Seine, Sorbonne University, Paris, France
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Zhang Y, Masters L, Wang Y, Wu L, Pei Y, Guo B, Parissenti A, Lees SJ, Wang R, Yang G. Cystathionine gamma-lyase/H 2 S signaling facilitates myogenesis under aging and injury condition. FASEB J 2021; 35:e21511. [PMID: 33826201 DOI: 10.1096/fj.202002675r] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 02/10/2021] [Accepted: 02/22/2021] [Indexed: 12/19/2022]
Abstract
Hydrogen sulfide (H2 S) can be endogenously produced and belongs to the class of signaling molecules known as gasotransmitters. Cystathionine gamma-lyase (CSE)-derived H2 S is implicated in the regulation of cell differentiation and the aging process, but the involvements of the CSE/H2 S system in myogenesis upon aging and injury have not been explored. In this study, we demonstrated that CSE acts as a major H2 S-generating enzyme in skeletal muscles and is significantly down-regulated in aged skeletal muscles in mice. CSE deficiency exacerbated the age-dependent sarcopenia and cardiotoxin-induced injury/regeneration in mouse skeletal muscle, possibly attributed to inefficient myogenesis. In contrast, supplement of NaHS (an H2 S donor) induced the expressions of myogenic genes and promoted muscle regeneration in mice. In vitro, incubation of myoblast cells (C2C12) with H2 S promoted myogenesis, as evidenced by the inhibition of cell cycle progression and migration, altered expressions of myogenic markers, elongation of myoblasts, and formation of multinucleated myotubes. Myogenesis was also found to upregulate CSE expression, while blockage of CSE/H2 S signaling resulted in a suppression of myogenesis. Mechanically, H2 S significantly induced the heterodimer formation between MEF2c and MRF4 and promoted the binding of MEF2c/MRF4 to myogenin promoter. MEF2c was S-sulfhydrated at both cysteine 361 and 420 in the C-terminal transactivation domain, and blockage of MEF2c S-sulfhydration abolished the stimulatory role of H2 S on MEF2c/MRF4 heterodimer formation. These findings support an essential role for H2 S in maintaining myogenesis, presenting it as a potential candidate for the prevention of age-related sarcopenia and treatment of muscle injury.
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Affiliation(s)
- Yanjie Zhang
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, ON, Canada.,Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, ON, Canada
| | - Laura Masters
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, ON, Canada.,Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, ON, Canada
| | - Yuehong Wang
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, ON, Canada.,Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, ON, Canada
| | - Lingyun Wu
- Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, ON, Canada.,School of Human Kinetics, Laurentian University, Sudbury, ON, Canada.,Health Science North Research Institute, Sudbury, ON, Canada
| | - Yanxi Pei
- School of Life Science, Shanxi University, Taiyuan, China
| | - Baoqing Guo
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, ON, Canada.,Health Science North Research Institute, Sudbury, ON, Canada
| | - Amadeo Parissenti
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, ON, Canada.,Health Science North Research Institute, Sudbury, ON, Canada
| | - Simon J Lees
- Northern Ontario School of Medicine, Thunder Bay, ON, Canada
| | - Rui Wang
- Department of Biology, York University, Toronto, ON, Canada
| | - Guangdong Yang
- Department of Chemistry and Biochemistry, Laurentian University, Sudbury, ON, Canada.,Cardiovascular and Metabolic Research Unit, Laurentian University, Sudbury, ON, Canada
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6
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LRTM1 promotes the differentiation of myoblast cells by negatively regulating the FGFR1 signaling pathway. Exp Cell Res 2020; 396:112237. [PMID: 32841643 DOI: 10.1016/j.yexcr.2020.112237] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 07/28/2020] [Accepted: 08/13/2020] [Indexed: 11/23/2022]
Abstract
The proliferation and differentiation of myoblast cells are regulated by the fibroblast growth factor receptor (FGFR) signaling pathway. Although the regulation of FGFR signaling cascades has been widely investigated, the inhibitory mechanism that particularly function in skeletal muscle myogenesis remains obscure. In this study, we determined that LRTM1, an inhibitory regulator of the FGFR signaling pathway, negatively modulates the activation of ERK and promotes the differentiation of myoblast cells. LRTM1 is dynamically expressed during myoblast differentiation and skeletal muscle regeneration after injury. In mouse myoblast C2C12 cells, knockout (KO) of Lrtm1 significantly prevents the differentiation of myoblast cells; this effect is associated with the reduction of MyoD transcriptional activity and the overactivation of ERK kinase. Notably, further studies demonstrated that LRTM1 associates with p52Shc and inhibits the recruitment of p52Shc to FGFR1. Taken together, our findings identify a novel negative regulator of FGFR1, which plays an important role in regulating the differentiation of myoblast cells.
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7
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Hansen SR, Aderounmu AM, Donelick HM, Bass BL. Dicer's Helicase Domain: A Meeting Place for Regulatory Proteins. COLD SPRING HARBOR SYMPOSIA ON QUANTITATIVE BIOLOGY 2020; 84:185-193. [PMID: 32179591 PMCID: PMC7384945 DOI: 10.1101/sqb.2019.84.039750] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The function of Dicer’s helicase domain has been enigmatic since its discovery. Why do only some Dicers require ATP, despite a high degree of sequence conservation in their helicase domains? We discuss evolutionary considerations based on differences between vertebrate and invertebrate antiviral defense, and how the helicase domain has been co-opted in extant organisms as the binding site for accessory proteins. Many accessory proteins are double-stranded RNA binding proteins, and we propose models for how they modulate Dicer function and catalysis.
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Affiliation(s)
- Sarah R Hansen
- Department of Biochemistry, University of Utah, Salt Lake City, Utah 84112-5650, USA
| | - Adedeji M Aderounmu
- Department of Biochemistry, University of Utah, Salt Lake City, Utah 84112-5650, USA
| | - Helen M Donelick
- Department of Biochemistry, University of Utah, Salt Lake City, Utah 84112-5650, USA
| | - Brenda L Bass
- Department of Biochemistry, University of Utah, Salt Lake City, Utah 84112-5650, USA
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8
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Gan M, Du J, Shen L, Yang D, Jiang A, Li Q, Jiang Y, Tang G, Li M, Wang J, Li X, Zhang S, Zhu L. miR-152 regulates the proliferation and differentiation of C2C12 myoblasts by targeting E2F3. In Vitro Cell Dev Biol Anim 2018; 54:304-310. [PMID: 29508126 DOI: 10.1007/s11626-017-0219-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 11/27/2017] [Indexed: 01/19/2023]
Abstract
The development of skeletal muscle is a complex process involving the proliferation, differentiation, apoptosis, and changing of muscle fiber types in myoblasts. Many reports have described the involvement of microRNAs in the myogenesis of myoblasts. In this study, we found that the expression of miR-152 was gradually down-regulated during myoblast proliferation, but gradually up-regulated during the differentiation of myoblasts. Transfection with miR-152 mimics restrained cell proliferation and decreased the expression levels of cyclin E, CDK4, and cyclin D1, but promoted myotube formation and significantly increased the mRNA expression levels of MyHC, MyoD, MRF4, and MyoG in C2C12 myoblasts. However, treatment with miR-152 inhibitors promoted cell proliferation and restrained differentiation. Moreover, over-expression of miR-152 significantly decreased E2F3 production in C2C12 myoblasts. A luciferase assay confirmed that miR-152 could bind to the 3' UTR of E2F3. In conclusion, this study showed that miR-152 inhibited proliferation and promoted myoblast differentiation by targeting E2F3.
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Affiliation(s)
- Mailin Gan
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Jingjing Du
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Linyuan Shen
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Dongli Yang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Anan Jiang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Qiang Li
- Sichuan Province General Station of Animal Husbandry, Chengdu, 611130, China
| | - Yanzhi Jiang
- College of Life and Science, Sichuan Agricultural University, Chengdu, 611130, China
| | - Guoqing Tang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Mingzhou Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Jinyong Wang
- Chongqing Academy of Animal Sciences, Chongqing, 402460, China
| | - Xuewei Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Shunhua Zhang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
| | - Li Zhu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China.
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