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Shira KA, Thornton KJ, Murdoch BM, Becker GM, Chibisa GE, Murdoch GK. Expression and secretion of SPARC, FGF-21 and DCN in bovine muscle cells: Effects of age and differentiation. PLoS One 2024; 19:e0299975. [PMID: 38959242 PMCID: PMC11221754 DOI: 10.1371/journal.pone.0299975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 02/19/2024] [Indexed: 07/05/2024] Open
Abstract
Skeletal muscle growth is an economically important trait in the cattle industry. Secreted muscle-derived proteins, referred to as myokines, have important roles in regulating the growth, metabolism, and health of skeletal muscle in human and biomedical research models. Accumulating evidence supports the importance of myokines in skeletal muscle and whole-body health, though little is known about the potential presence and functional significance of these proteins in cattle. This study evaluates and confirms that secreted proteins acidic and rich in cysteine (SPARC), fibroblast growth factor 21 (FGF-21), myostatin (MSTN), and decorin (DCN) are expressed and SPARC, FGF-21, and DCN are secreted by primary bovine satellite cells from 3- (BSC3; n = 3) and 11- (BSC11; n = 3) month -old commercial angus steers. Cells were cultured and collected at zero, 12, 24, and 48 hours to characterize temporal expression and secretion from undifferentiated and differentiated cells. The expression of SPARC was higher in the undifferentiated (p = 0.04) and differentiated (p = 0.07) BSC11 than BSC3. The same was observed with protein secretion from undifferentiated (p <0.0001) BSC11 compared to BSC3. Protein secretion of FGF-21 was higher in undifferentiated BSC11 (p < 0.0001) vs. BSC3. DCN expression was higher in differentiated BSC11 (p = 0.006) vs. BSC3. Comparing undifferentiated vs. differentiated BSC, MSTN expression was higher in differentiated BSC3 (p ≤ 0.001) for 0, 12, and 24 hours and in BSC11 (p ≤ 0.03) for 0, 12, 24, and 48 hours. There is also a change over time for SPARC expression (p ≤ 0.03) in undifferentiated and differentiated BSC and protein secretion (p < 0.0001) in undifferentiated BSC, as well as FGF-21 expression (p = 0.007) in differentiated BSC. This study confirms SPARC, FGF-21, and DCN are secreted, and SPARC, FGF-21, MSTN, and DCN are expressed in primary bovine muscle cells with age and temporal differences.
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Affiliation(s)
- Katie A. Shira
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, Idaho, United States of America
| | - Kara J. Thornton
- Department of Animal, Dairy and Veterinary Science, Utah State University, Logan, Utah, United States of America
| | - Brenda M. Murdoch
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, Idaho, United States of America
| | - Gabrielle M. Becker
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, Idaho, United States of America
| | - Gwinyai E. Chibisa
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, Idaho, United States of America
| | - Gordon K. Murdoch
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, Idaho, United States of America
- Department of Animal Sciences, Washington State University, Pullman, Washington, United States of America
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2
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Walzik D, Wences Chirino TY, Zimmer P, Joisten N. Molecular insights of exercise therapy in disease prevention and treatment. Signal Transduct Target Ther 2024; 9:138. [PMID: 38806473 PMCID: PMC11133400 DOI: 10.1038/s41392-024-01841-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 04/17/2024] [Accepted: 04/23/2024] [Indexed: 05/30/2024] Open
Abstract
Despite substantial evidence emphasizing the pleiotropic benefits of exercise for the prevention and treatment of various diseases, the underlying biological mechanisms have not been fully elucidated. Several exercise benefits have been attributed to signaling molecules that are released in response to exercise by different tissues such as skeletal muscle, cardiac muscle, adipose, and liver tissue. These signaling molecules, which are collectively termed exerkines, form a heterogenous group of bioactive substances, mediating inter-organ crosstalk as well as structural and functional tissue adaption. Numerous scientific endeavors have focused on identifying and characterizing new biological mediators with such properties. Additionally, some investigations have focused on the molecular targets of exerkines and the cellular signaling cascades that trigger adaption processes. A detailed understanding of the tissue-specific downstream effects of exerkines is crucial to harness the health-related benefits mediated by exercise and improve targeted exercise programs in health and disease. Herein, we review the current in vivo evidence on exerkine-induced signal transduction across multiple target tissues and highlight the preventive and therapeutic value of exerkine signaling in various diseases. By emphasizing different aspects of exerkine research, we provide a comprehensive overview of (i) the molecular underpinnings of exerkine secretion, (ii) the receptor-dependent and receptor-independent signaling cascades mediating tissue adaption, and (iii) the clinical implications of these mechanisms in disease prevention and treatment.
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Affiliation(s)
- David Walzik
- Division of Performance and Health (Sports Medicine), Institute for Sport and Sport Science, TU Dortmund University, 44227, Dortmund, North Rhine-Westphalia, Germany
| | - Tiffany Y Wences Chirino
- Division of Performance and Health (Sports Medicine), Institute for Sport and Sport Science, TU Dortmund University, 44227, Dortmund, North Rhine-Westphalia, Germany
| | - Philipp Zimmer
- Division of Performance and Health (Sports Medicine), Institute for Sport and Sport Science, TU Dortmund University, 44227, Dortmund, North Rhine-Westphalia, Germany.
| | - Niklas Joisten
- Division of Performance and Health (Sports Medicine), Institute for Sport and Sport Science, TU Dortmund University, 44227, Dortmund, North Rhine-Westphalia, Germany.
- Division of Exercise and Movement Science, Institute for Sport Science, University of Göttingen, 37075, Göttingen, Lower Saxony, Germany.
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Kritikaki E, Terzis G, Soundararajan M, Vogiatzis I, Simoes DC. Expression of intramuscular extracellular matrix proteins in vastus lateralis muscle fibres between atrophic and non-atrophic COPD. ERJ Open Res 2024; 10:00857-2023. [PMID: 38803416 PMCID: PMC11129643 DOI: 10.1183/23120541.00857-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 03/02/2024] [Indexed: 05/29/2024] Open
Abstract
Background Extracellular matrix (ECM) proteins are the major constituents of the muscle cell micro-environment, imparting instructive signalling, steering cell behaviour and controlling muscle regeneration. ECM remodelling is among the most affected signalling pathways in COPD and aged muscle. As a fraction of COPD patients present muscle atrophy, we questioned whether ECM composition would be altered in patients with peripheral muscle wasting (atrophic COPD) compared to those without muscle wasting (non-atrophic COPD). Methods A set of ECM molecules with known impact on myogenesis were quantified in vastus lateralis muscle biopsies from 29 COPD patients (forced expiratory volume in 1 s 55±12% predicted) using ELISA and real-time PCR. COPD patients were grouped to atrophic or non-atrophic based on fat-free mass index (<17 or ≥17 kg·m-2). Results Atrophic COPD patients presented a lower average vastus lateralis muscle fibre cross-sectional area (3872±258 μm2) compared to non-atrophic COPD (4509±198 μm2). Gene expression of ECM molecules was found significantly lower in atrophic COPD compared to non-atrophic COPD for collagen type I alpha 1 chain (COL1A1), fibronectin (FN1), tenascin C (TNC) and biglycan (BGN). In terms of protein levels, there were no significant differences between the two COPD cohorts for any of the ECM molecules tested. Conclusions Although atrophic COPD presented decreased contractile muscle tissue, the differences in ECM mRNA expression between atrophic and non-atrophic COPD were not translated at the protein level, potentially indicating an accumulation of long-lived ECM proteins and dysregulated proteostasis, as is typically observed during deconditioning and ageing.
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Affiliation(s)
- Efpraxia Kritikaki
- Faculty of Health and Life Sciences, Northumbria University Newcastle, Newcastle upon Tyne, UK
| | - Gerasimos Terzis
- School of Physical Education and Sports Science, National and Kapodistrian University of Athens, Athens, Greece
| | - Meera Soundararajan
- Faculty of Health and Life Sciences, Northumbria University Newcastle, Newcastle upon Tyne, UK
| | - Ioannis Vogiatzis
- Faculty of Health and Life Sciences, Northumbria University Newcastle, Newcastle upon Tyne, UK
| | - Davina C.M. Simoes
- Faculty of Health and Life Sciences, Northumbria University Newcastle, Newcastle upon Tyne, UK
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Ahmad SS, Ahmad K, Lim JH, Shaikh S, Lee EJ, Choi I. Therapeutic applications of biological macromolecules and scaffolds for skeletal muscle regeneration: A review. Int J Biol Macromol 2024; 267:131411. [PMID: 38588841 DOI: 10.1016/j.ijbiomac.2024.131411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/11/2024] [Accepted: 03/15/2024] [Indexed: 04/10/2024]
Abstract
Skeletal muscle (SM) mass and strength maintenance are important requirements for human well-being. SM regeneration to repair minor injuries depends upon the myogenic activities of muscle satellite (stem) cells. However, losses of regenerative properties following volumetric muscle loss or severe trauma or due to congenital muscular abnormalities are not self-restorable, and thus, these conditions have major healthcare implications and pose clinical challenges. In this context, tissue engineering based on different types of biomaterials and scaffolds provides an encouraging means of structural and functional SM reconstruction. In particular, biomimetic (able to transmit biological signals) and several porous scaffolds are rapidly evolving. Several biological macromolecules/biomaterials (collagen, gelatin, alginate, chitosan, and fibrin etc.) are being widely used for SM regeneration. However, available alternatives for SM regeneration must be redesigned to make them more user-friendly and economically feasible with longer shelf lives. This review aimed to explore the biological aspects of SM regeneration and the roles played by several biological macromolecules and scaffolds in SM regeneration in cases of volumetric muscle loss.
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Affiliation(s)
- Syed Sayeed Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Khurshid Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Jeong Ho Lim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Eun Ju Lee
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, South Korea.
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Liu F, Cao Y, Wang X, Zhang K, Li N, Su Y, Zhang Y, Meng Q. Islr regulates satellite cells asymmetric division through the SPARC/p-ERK1/2 signaling pathway. FASEB J 2024; 38:e23534. [PMID: 38597911 DOI: 10.1096/fj.202302614r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/03/2024] [Accepted: 02/20/2024] [Indexed: 04/11/2024]
Abstract
Satellite cells (SCs) are adult muscle stem cells responsible for muscle regeneration after acute and chronic muscle injuries. The balance between stem cell self-renewal and differentiation determines the kinetics and efficiency of skeletal muscle regeneration. This study assessed the function of Islr in SC asymmetric division. The deletion of Islr reduced muscle regeneration in adult mice by decreasing the SC pool. Islr is pivotal for SC proliferation, and its deletion promoted the asymmetric division of SCs. A mechanistic search revealed that Islr bound to and degraded secreted protein acidic and rich in cysteine (SPARC), which activated p-ERK1/2 signaling required for asymmetric division. These findings demonstrate that Islr is a key regulator of SC division through the SPARC/p-ERK1/2 signaling pathway. These data provide a basis for treating myopathy.
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Affiliation(s)
- Fan Liu
- State Key Laboratories for Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Yuxin Cao
- State Key Laboratories for Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Xiong Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Kuo Zhang
- State Key Laboratories for Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Na Li
- State Key Laboratories for Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Yang Su
- State Key Laboratories for Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, China
| | - Yali Zhang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Qingyong Meng
- State Key Laboratories for Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing, China
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Hanif MA, Hossen S, Choi CY, Kho KH. Cloning, characterization, and spatio-temporal expression patterns of HdhSPARC and its responses to multiple stressors. Sci Rep 2024; 14:2224. [PMID: 38278828 PMCID: PMC10817941 DOI: 10.1038/s41598-024-51950-7] [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: 08/23/2023] [Accepted: 01/11/2024] [Indexed: 01/28/2024] Open
Abstract
SPARC is an extracellular Ca2+-binding, secreted glycoprotein that plays a dynamic role in the growth and development of organisms. This study aimed to describe the isolation, characterization, and expression analysis of HdhSPARC in Pacific abalone (Haliotis discus hannai) to infer its potential functional role. The isolated HdhSPARC was 1633 bp long, encoding a polypeptide of 284 amino acid residues. Structurally, the SPARC protein in abalone is comprised of three biological domains. However, the structure of this protein varied between vertebrates and invertebrates, as suggested by their distinct clustering patterns in phylogenetic analysis. In early development, HdhSPARC was variably expressed, and higher expression was found in veliger larvae. Moreover, HdhSPARC was highly expressed in juvenile abalone with rapid growth compared to their slower-growing counterparts. Among the testicular development stages, the growth stage exhibited higher HdhSPARC expression. HdhSPARC was also upregulated during muscle remodeling and shell biomineralization, as well as in response to different stressors such as heat shock, LPS, and H2O2 exposure. However, this gene was downregulated in Cd-exposed abalone. The present study first comprehensively characterized the HdhSPARC gene, and its spatio-temporal expressions were analyzed along with its responses to various stressors.
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Affiliation(s)
- Md Abu Hanif
- Department of Fisheries Science, Chonnam National University, Yeosu, 59626, South Korea
| | - Shaharior Hossen
- Department of Fisheries Science, Chonnam National University, Yeosu, 59626, South Korea
| | - Cheol Young Choi
- Division of Marine BioScience, National Korea Maritime and Ocean University, Busan, 49112, South Korea
| | - Kang Hee Kho
- Department of Fisheries Science, Chonnam National University, Yeosu, 59626, South Korea.
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7
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Atorrasagasti C, Onorato AM, Mazzolini G. The role of SPARC (secreted protein acidic and rich in cysteine) in the pathogenesis of obesity, type 2 diabetes, and non-alcoholic fatty liver disease. J Physiol Biochem 2023; 79:815-831. [PMID: 36018492 DOI: 10.1007/s13105-022-00913-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/18/2022] [Indexed: 11/28/2022]
Abstract
Secreted protein acidic and rich in cysteine (SPARC) is an extracellular matrix glycoprotein with pleiotropic functions, which is expressed in adipose, hepatic, muscular, and pancreatic tissue. Particularly, several studies demonstrated that SPARC is an important player in the context of obesity, diabetes, and fatty liver disease including advanced hepatic fibrosis and hepatocellular carcinoma. Evidence in murine and human samples indicates that SPARC is involved in adipogenesis, cellular metabolism, extracellular matrix modulation, glucose and lipid metabolism, among others. Furthermore, studies in SPARC knockout mouse model showed that SPARC contributes to adipose tissue formation, non-alcoholic fatty liver disease (NAFLD), and diabetes. Hence, SPARC may represent a novel and interesting target protein for future therapeutic interventions or a biomarker of disease progression. This review summarizes the role of SPARC in the pathophysiology of obesity, and extensively revised SPARC functions in physiological and pathological adipose tissue deposition, muscle metabolism, liver, and diabetes-related pathways.
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Affiliation(s)
- Catalina Atorrasagasti
- Gene Therapy Laboratory, Facultad de Ciencias Biomédicas, Instituto de Investigaciones en Medicina Traslacional, CONICET- Universidad Austral, Av. Pte. Perón 1500 (B1629AHJ) Derqui-Pilar, Buenos Aires, Argentina.
| | - Agostina M Onorato
- Gene Therapy Laboratory, Facultad de Ciencias Biomédicas, Instituto de Investigaciones en Medicina Traslacional, CONICET- Universidad Austral, Av. Pte. Perón 1500 (B1629AHJ) Derqui-Pilar, Buenos Aires, Argentina
| | - Guillermo Mazzolini
- Gene Therapy Laboratory, Facultad de Ciencias Biomédicas, Instituto de Investigaciones en Medicina Traslacional, CONICET- Universidad Austral, Av. Pte. Perón 1500 (B1629AHJ) Derqui-Pilar, Buenos Aires, Argentina.
- Liver Unit, Hospital Universitario Austral, Universidad Austral, Av. Pte. Perón 1500 (B1629AHJ) Derqui-Pilar, Buenos Aires, Argentina.
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8
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Liu D, Wang L, Hu Z, Ma Z, Yang Q. Association Between SPARC Polymorphisms and Ankylosing Spondylitis and Its mRNA and Protein Expression in a Chinese Han Population: A Case-Control Study. Int J Gen Med 2023; 16:3533-3542. [PMID: 37605781 PMCID: PMC10440112 DOI: 10.2147/ijgm.s419094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/05/2023] [Indexed: 08/23/2023] Open
Abstract
Objective We explore the association of polymorphisms in Secreted protein acidic and rich in cysteine (SPARC) with ankylosing spondylitis (AS) and detect SPARC mRNA and protein expression in a Chinese Han population. Methods Nine single-nucleotide polymorphisms (SNPs) of SPARC were genotyped in 768 AS patients and 768 controls by TaqMan genotyping assay. mRNA expression of SPARC was detected by real-time polymerase chain reaction (RT-PCR), and serum level of SPARC protein was detected by ELISA. Results The frequency of A allele of rs171121187 was significantly higher in AS patients than in controls (Pc=0.003, odds ratio [OR]=1.45, 95% confidence interval [95% CI] = 1.18-1.77), the AA and AC genotypes increased the risk of AS when compared with CC genotype (Pc=0.003, OR=3.96, 95% CI=1.80-8.75, and Pc=0.003, OR=1.27, 95% CI=1.01-1.61, respectively). The frequency of G allele of rs4958487 was significantly lower in AS than in controls (Pc=0.001, OR=0.60, 95% CI=0.47-0.68), the GG and GA genotypes reduced the risk of AS when compared with AA genotype (Pc=0.005, OR=0.46, 95% CI 0.18-1.14, and Pc=0.005, OR=0.60, 95% CI=0.45-0.79, respectively). The haplotype AA of rs17112187/rs4958487 significantly increased the risk of AS (P=2.31E-5, OR=1.60, 95% CI=1.28-1.98), while haplotype CG decreased the risk of AS (P=5.42E-5, OR=0.55, 95% CI=0.41-0.74). Expression levels of SPARC mRNA were significantly lower in both Peripheral blood mononuclear cells (PBMC) and granulocytes in AS patients than in controls (P=0.008 and P=0.005, respectively). SPARC protein levels were also reduced in AS patients versus the controls (P=0.002). Conclusion This study indicates that polymorphisms in SPARC are associated with AS susceptibility, and both mRNA and protein levels of SPARC are decreased in AS patients in a Chinese Han population.
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Affiliation(s)
- Dongxia Liu
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
| | - Liya Wang
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
- Department of Rheumatology and Immunology, Heze Medical College, Heze, 274000, People’s Republic of China
| | - Zhongdan Hu
- Tianjin Zhonghe Clinic Co. Ltd. of Heping District, Tianjin, 300450, People’s Republic of China
| | - Zhenzhen Ma
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
| | - Qingrui Yang
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
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9
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Heezen LGM, Abdelaal T, van Putten M, Aartsma-Rus A, Mahfouz A, Spitali P. Spatial transcriptomics reveal markers of histopathological changes in Duchenne muscular dystrophy mouse models. Nat Commun 2023; 14:4909. [PMID: 37582915 PMCID: PMC10427630 DOI: 10.1038/s41467-023-40555-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 08/02/2023] [Indexed: 08/17/2023] Open
Abstract
Duchenne muscular dystrophy is caused by mutations in the DMD gene, leading to lack of dystrophin. Chronic muscle damage eventually leads to histological alterations in skeletal muscles. The identification of genes and cell types driving tissue remodeling is a key step to developing effective therapies. Here we use spatial transcriptomics in two Duchenne muscular dystrophy mouse models differing in disease severity to identify gene expression signatures underlying skeletal muscle pathology and to directly link gene expression to muscle histology. We perform deconvolution analysis to identify cell types contributing to histological alterations. We show increased expression of specific genes in areas of muscle regeneration (Myl4, Sparc, Hspg2), fibrosis (Vim, Fn1, Thbs4) and calcification (Bgn, Ctsk, Spp1). These findings are confirmed by smFISH. Finally, we use differentiation dynamic analysis in the D2-mdx muscle to identify muscle fibers in the present state that are predicted to become affected in the future state.
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Affiliation(s)
- L G M Heezen
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - T Abdelaal
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
- Systems and Biomedical Engineering Department, Faculty of Engineering Cairo University, Giza, Egypt
- Delft Bioinformatics Lab, Delft University of Technology, Delft, The Netherlands
| | - M van Putten
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - A Aartsma-Rus
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - A Mahfouz
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
- Delft Bioinformatics Lab, Delft University of Technology, Delft, The Netherlands
- Leiden Computational Biology Center, Leiden University Medical Center, Leiden, The Netherlands
| | - P Spitali
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.
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10
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Barruet E, Striedinger K, Marangoni P, Pomerantz JH. Loss of transcriptional heterogeneity in aged human muscle stem cells. PLoS One 2023; 18:e0285018. [PMID: 37192223 PMCID: PMC10187936 DOI: 10.1371/journal.pone.0285018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 04/12/2023] [Indexed: 05/18/2023] Open
Abstract
Age-related loss of muscle mass and function negatively impacts healthspan and lifespan. Satellite cells function as muscle stem cells in muscle maintenance and regeneration by self-renewal, activation, proliferation and differentiation. These processes are perturbed in aging at the stem cell population level, contributing to muscle loss. However, how representation of subpopulations within the human satellite cell pool change during aging remains poorly understood. We previously reported a comprehensive baseline of human satellite cell (Hu-MuSCs) transcriptional activity in muscle homeostasis describing functional heterogenous human satellite cell subpopulations such as CAV1+ Hu-MUSCs. Here, we sequenced additional satellite cells from new healthy donors and performed extended transcriptomic analyses with regard to aging. We found an age-related loss of global transcriptomic heterogeneity and identified new markers (CAV1, CXCL14, GPX3) along with previously described ones (FN1, ITGB1, SPRY1) that are altered during aging in human satellite cells. These findings describe new transcriptomic changes that occur during aging in human satellite cells and provide a foundation for understanding functional impact.
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Affiliation(s)
- Emilie Barruet
- Departments of Surgery and Orofacial Sciences, Division of Plastic and Reconstructive Surgery, Program in Craniofacial Biology, Eli and Edythe Broad Center of Regeneration Medicine, University of California San Francisco, San Francisco, California, United States of America
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California, San Francisco, California, United States of America
| | - Katharine Striedinger
- Departments of Surgery and Orofacial Sciences, Division of Plastic and Reconstructive Surgery, Program in Craniofacial Biology, Eli and Edythe Broad Center of Regeneration Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Pauline Marangoni
- Program in Craniofacial Biology and Department of Orofacial Sciences, University of California, San Francisco, California, United States of America
| | - Jason H. Pomerantz
- Departments of Surgery and Orofacial Sciences, Division of Plastic and Reconstructive Surgery, Program in Craniofacial Biology, Eli and Edythe Broad Center of Regeneration Medicine, University of California San Francisco, San Francisco, California, United States of America
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11
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Signorelli M, Tsonaka R, Aartsma-Rus A, Spitali P. Multiomic characterization of disease progression in mice lacking dystrophin. PLoS One 2023; 18:e0283869. [PMID: 37000843 PMCID: PMC10065259 DOI: 10.1371/journal.pone.0283869] [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: 11/10/2022] [Accepted: 03/19/2023] [Indexed: 04/03/2023] Open
Abstract
Duchenne muscular dystrophy (DMD) is caused by genetic mutations leading to lack of dystrophin in skeletal muscle. A better understanding of how objective biomarkers for DMD vary across subjects and over time is needed to model disease progression and response to therapy more effectively, both in pre-clinical and clinical research. We present an in-depth characterization of disease progression in 3 murine models of DMD by multiomic analysis of longitudinal trajectories between 6 and 30 weeks of age. Integration of RNA-seq, mass spectrometry-based metabolomic and lipidomic data obtained in muscle and blood samples by Multi-Omics Factor Analysis (MOFA) led to the identification of 8 latent factors that explained 78.8% of the variance in the multiomic dataset. Latent factors could discriminate dystrophic and healthy mice, as well as different time-points. MOFA enabled to connect the gene expression signature in dystrophic muscles, characterized by pro-fibrotic and energy metabolism alterations, to inflammation and lipid signatures in blood. Our results show that omic observations in blood can be directly related to skeletal muscle pathology in dystrophic muscle.
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Affiliation(s)
- Mirko Signorelli
- Mathematical Institute, Leiden University, Leiden, The Netherlands
| | - Roula Tsonaka
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands
| | - Annemieke Aartsma-Rus
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Pietro Spitali
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
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12
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Kysel P, Haluzíková D, Pleyerová I, Řezníčková K, Laňková I, Lacinová Z, Havrlantová T, Mráz M, Kasperová BJ, Kovářová V, Thieme L, Trnovská J, Svoboda P, Hubáčková SŠ, Vilikus Z, Haluzík M. Different Effects of Cyclical Ketogenic vs. Nutritionally Balanced Reduction Diet on Serum Concentrations of Myokines in Healthy Young Males Undergoing Combined Resistance/Aerobic Training. Nutrients 2023; 15:nu15071720. [PMID: 37049560 PMCID: PMC10096784 DOI: 10.3390/nu15071720] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/21/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023] Open
Abstract
Myokines represent important regulators of muscle metabolism. Our study aimed to explore the effects of a cyclical ketogenic reduction diet (CKD) vs. a nutritionally balanced reduction diet (RD) combined with regular resistance/aerobic training in healthy young males on serum concentrations of myokines and their potential role in changes in physical fitness. Twenty-five subjects undergoing regular resistance/aerobic training were randomized to the CKD (n = 13) or RD (n = 12) groups. Anthropometric and spiroergometric parameters, muscle strength, biochemical parameters, and serum concentrations of myokines and cytokines were assessed at baseline and after 8 weeks of intervention. Both diets reduced body weight, body fat, and BMI. Muscle strength and endurance performance were improved only by RD. Increased musclin (32.9 pg/mL vs. 74.5 pg/mL, p = 0.028) and decreased osteonectin levels (562 pg/mL vs. 511 pg/mL, p = 0.023) were observed in RD but not in the CKD group. In contrast, decreased levels of FGF21 (181 pg/mL vs. 86.4 pg/mL, p = 0.003) were found in the CKD group only. Other tested myokines and cytokines were not significantly affected by the intervention. Our data suggest that changes in systemic osteonectin and musclin levels could contribute to improved muscle strength and endurance performance and partially explain the differential effects of CKD and RD on physical fitness.
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Affiliation(s)
- Pavel Kysel
- Department of Sports Medicine, First Faculty of Medicine and General University Hospital, 128 08 Prague, Czech Republic
| | - Denisa Haluzíková
- Department of Sports Medicine, First Faculty of Medicine and General University Hospital, 128 08 Prague, Czech Republic
| | - Iveta Pleyerová
- Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Kateřina Řezníčková
- Diabetes Centre, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Ivana Laňková
- Diabetes Centre, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Zdeňka Lacinová
- Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital, 121 11 Prague, Czech Republic
| | - Tereza Havrlantová
- Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Miloš Mráz
- Diabetes Centre, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Barbora Judita Kasperová
- Diabetes Centre, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Viktorie Kovářová
- Diabetes Centre, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Lenka Thieme
- Diabetes Centre, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Jaroslava Trnovská
- Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Petr Svoboda
- Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
- Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague, Czech Republic
| | - Soňa Štemberková Hubáčková
- Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
| | - Zdeněk Vilikus
- Department of Sports Medicine, First Faculty of Medicine and General University Hospital, 128 08 Prague, Czech Republic
- Correspondence: (Z.V.); (M.H.)
| | - Martin Haluzík
- Diabetes Centre, Institute for Clinical and Experimental Medicine, 140 21 Prague, Czech Republic
- Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital, 121 11 Prague, Czech Republic
- Correspondence: (Z.V.); (M.H.)
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13
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Ji S, Ma P, Cao X, Wang J, Yu X, Luo X, Lu J, Hou W, Zhang Z, Yan Y, Dong Y, Wang H. Myoblast-derived exosomes promote the repair and regeneration of injured skeletal muscle in mice. FEBS Open Bio 2022; 12:2213-2226. [PMID: 36325691 PMCID: PMC9714366 DOI: 10.1002/2211-5463.13504] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/17/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
When skeletal muscle is damaged, satellite cells (SCs) are activated to proliferate rapidly and fuse with the damaged muscle fibers to form new muscle fibers, thereby promoting muscle growth and remodeling and repair of trauma. Exosomes from differentiating human skeletal muscle cells trigger myogenesis of stem cells and provide biochemical cues for skeletal muscle regeneration. Therefore, we hypothesized that, when muscles are injured, myoblast-derived exosomes may regulate muscle repair and regeneration. Here, we investigated the underlying mechanism by applying C2C12-derived exosomes to injured mouse skeletal muscles. The expression levels of skeletal muscle regeneration factors paired box 7 and lipid-promoting factor peroxisome proliferator-activated receptor γ were upregulated, whereas the expression levels of fibrosis factors collagen-1 and α-smooth muscle actin decreased. The expression of proliferating cell nuclear antigen was elevated after applying C2C12-derived exosomes to SCs. Application of C2C12-derived exosomes to fibro-adipogenic progenitors resulted in an increase in peroxisome proliferator-activated receptor γ expression and adipogenesis capacity, whereas α-smooth muscle actin expression and fibrosis capacity decreased. Analysis of the transcriptome and proteome of SCs after treatment with exosomes showed the involvement of multiple biological processes, including proliferation and differentiation of SCs, muscle regeneration, skeletal muscle atrophy, and the inflammatory response after muscle injury. Hence, our data suggest that C2C12-derived exosomes can promote the regeneration of skeletal muscle fibers, accelerate the production of fat from damaged muscles, inhibit the fibrosis of damaged muscles, and accelerate injury repair, which is related to exosome-mediated regulation of the proliferation of SCs, differentiation of fibro-adipogenic progenitors, and modulation of SC mRNA expression and protein formation and decomposition.
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Affiliation(s)
- Shusen Ji
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | - Pei Ma
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | - Xiaorui Cao
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | - Juan Wang
- Department of Nephrology, Shanghai General HospitalShanghai Jiao Tong University School of MedicineChina
| | - Xiuju Yu
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | - Xiaomao Luo
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | - Jiayin Lu
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | - Wei Hou
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | | | - Yi Yan
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
| | - Yanjun Dong
- College of Veterinary MedicineChina Agricultural UniversityBeijingChina
| | - Haidong Wang
- College of Veterinary MedicineShanxi Agricultural UniversityJinzhongChina
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14
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Multi-omics research in sarcopenia: Current progress and future prospects. Ageing Res Rev 2022; 76:101576. [PMID: 35104630 DOI: 10.1016/j.arr.2022.101576] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 12/13/2021] [Accepted: 01/26/2022] [Indexed: 12/17/2022]
Abstract
Sarcopenia is a systemic disease with progressive and generalized skeletal muscle dysfunction defined by age-related low muscle mass, high content of muscle slow fibers, and low muscle function. Muscle phenotypes and sarcopenia risk are heritable; however, the genetic architecture and molecular mechanisms underlying sarcopenia remain largely unclear. In recent years, significant progress has been made in determining susceptibility loci using genome-wide association studies. In addition, recent advances in omics techniques, including genomics, epigenomics, transcriptomics, proteomics, and metabolomics, offer new opportunities to identify novel targets to help us understand the pathophysiology of sarcopenia. However, each individual technology cannot capture the entire view of the biological complexity of this disorder, while integrative multi-omics analyses may be able to reveal new insights. Here, we review the latest findings of multi-omics studies for sarcopenia and provide an in-depth summary of our current understanding of sarcopenia pathogenesis. Leveraging multi-omics data could give us a holistic understanding of sarcopenia etiology that may lead to new clinical applications. This review offers guidance and recommendations for fundamental research, innovative perspectives, and preventative and therapeutic interventions for sarcopenia.
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15
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A new paradigm in sarcopenia: Cognitive impairment caused by imbalanced myokine secretion and vascular dysfunction. Biomed Pharmacother 2022; 147:112636. [DOI: 10.1016/j.biopha.2022.112636] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/06/2022] [Accepted: 01/12/2022] [Indexed: 12/11/2022] Open
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16
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Secreted Protein Acidic and Rich in Cysteine (Sparc) KO Leads to an Accelerated Ageing Phenotype Which Is Improved by Exercise Whereas SPARC Overexpression Mimics Exercise Effects in Mice. Metabolites 2022; 12:metabo12020125. [PMID: 35208200 PMCID: PMC8879002 DOI: 10.3390/metabo12020125] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/18/2022] [Accepted: 01/24/2022] [Indexed: 01/04/2023] Open
Abstract
Secreted protein acidic and rich in cysteine (SPARC) is a matricellular glycoprotein implicated in various functions, including metabolism, tissue regeneration, and functional homeostasis. SPARC/Sparc declines with ageing but increases with exercise. We aim to verify two hypotheses: (1) SPARC deficiency leads to an ageing-like phenotype (metabolic decline, muscle loss, etc.), and (2) SPARC overexpression would mimic exercise, counteract ageing, and improve age-related changes. Our mice experiments are divided into two parts. First, we explore the consequences of Sparc knockout (KO) and compare them to the ageing effects. We also observe the effects of exercise. In the second part, we study the effects of SPARC overexpression and compare them to the exercise benefits. At the end, we make an analysis of the results to point out the analogies between Sparc KO and the ageing-like phenotype on the one hand and make comparisons between SPARC overexpression and exercise in the context of exercise counteracting ageing. The measurements were mainly related to tissue weights, adiposity, metabolism, and muscle strength. The main findings are that Sparc KO reduced glucose tolerance, muscle glucose transporter expression, and abdominal adipose tissue weight but increased glycogen content in the muscle. SPARC overexpression increased muscle strength, muscle mass, and expressions of the muscle glucose transporter and mitochondrial oxidative phosphorylation but lowered the glycemia and the adiposity, especially in males. Collectively, these findings, and the data we have previously reported, show that Sparc KO mice manifest an ageing-like phenotype, whereas SPARC overexpression and exercise generate similar benefits. The benefits are towards counteracting both the SPARC deficiency-induced ageing-like phenotype as well as reversing the age-related changes. The potential applications of these findings are to build/optimize Sparc KO-based animal models of various health conditions and, on the other hand, to develop therapies based on introducing SPARC or targeting SPARC-related pathways to mimic exercise against age-related and metabolic disorders.
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17
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Avey AM, Baar K. Muscle-tendon Crosstalk During Muscle Wasting. Am J Physiol Cell Physiol 2021; 321:C559-C568. [PMID: 34319830 DOI: 10.1152/ajpcell.00260.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In organisms from flies to mammals, the initial formation of a functional tendon is completely dependent on chemical signals from muscle (myokines). However, how myokines affect the maturation, maintenance, and regeneration of tendons as a function of age is completely unstudied. Here we discuss the role of four myokines - fibroblast growth factors (FGF), myostatin, the secreted protein acidic and rich in cysteine (SPARC), and miR-29 - in tendon development and hypothesize a role for these factors in the progressive changes in tendon structure and function as a result of muscle wasting (disuse, aging and disease). Because of the close relationship between mechanical loading and muscle and tendon regulation, disentangling muscle-tendon crosstalk from simple mechanical loading is experimentally quite difficult. Therefore, we propose an experimental framework that hopefully will be useful in demonstrating muscle-tendon crosstalk in vivo. Though understudied, the promise of a better understanding of muscle-tendon crosstalk is the development of new interventions that will improve tendon development, regeneration, and function throughout the lifespan.
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Affiliation(s)
- Alec M Avey
- Functional Molecular Biology Laboratory, University of California, Davis, CA, United States.,Molecular, Cellular and Integrative Physiology, University of California Davis, Davis, CA, United States
| | - Keith Baar
- Functional Molecular Biology Laboratory, University of California, Davis, CA, United States.,Neurobiology, Physiology and Behavior, University of California Davis, Davis, CA, United States.,Physiology and Membrane Biology, University of California Davis Health, Sacramento, CA, United States.,VA Northern California Health Care System, Mather, CA, United States
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18
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Wang T, Wagner A, Gehwolf R, Yan W, Passini FS, Thien C, Weissenbacher N, Lin Z, Lehner C, Teng H, Wittner C, Zheng Q, Dai J, Ni M, Wang A, Papadimitriou J, Leys T, Tuan RS, Senck S, Snedeker JG, Tempfer H, Jiang Q, Zheng MH, Traweger A. Load-induced regulation of tendon homeostasis by SPARC, a genetic predisposition factor for tendon and ligament injuries. Sci Transl Med 2021; 13:13/582/eabe5738. [PMID: 33627488 DOI: 10.1126/scitranslmed.abe5738] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 02/03/2021] [Indexed: 01/18/2023]
Abstract
Tendons and tendon interfaces have a very limited regenerative capacity, rendering their injuries clinically challenging to resolve. Tendons sense muscle-mediated load; however, our knowledge on how loading affects tendon structure and functional adaption remains fragmentary. Here, we provide evidence that the matricellular protein secreted protein acidic and rich in cysteine (SPARC) is critically involved in the mechanobiology of tendons and is required for tissue maturation, homeostasis, and enthesis development. We show that tendon loading at the early postnatal stage leads to tissue hypotrophy and impaired maturation of Achilles tendon enthesis in Sparc -/- mice. Treadmill training revealed a higher prevalence of spontaneous tendon ruptures and a net catabolic adaptation in Sparc -/- mice. Tendon hypoplasia was attenuated in Sparc -/- mice in response to muscle unloading with botulinum toxin A. In vitro culture of Sparc -/- three-dimensional tendon constructs showed load-dependent impairment of ribosomal S6 kinase activation, resulting in reduced type I collagen synthesis. Further, functional calcium imaging revealed that lower stresses were required to trigger mechanically induced responses in Sparc -/- tendon fascicles. To underscore the clinical relevance of the findings, we further demonstrate that a missense mutation (p.Cys130Gln) in the follistatin-like domain of SPARC, which causes impaired protein secretion and type I collagen fibrillogenesis, is associated with tendon and ligament injuries in patients. Together, our results demonstrate that SPARC is a key extracellular matrix protein essential for load-induced tendon tissue maturation and homeostasis.
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Affiliation(s)
- Tao Wang
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia.,Division of Orthopaedic Surgery, Department of Surgery, Guangdong Provincial People'sHospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510000, China
| | - Andrea Wagner
- Institute of Tendon and Bone Regeneration, Paracelsus Medical University-Spinal Cord Injury and Tissue Regeneration Center Salzburg, 5020 Salzburg, Austria.,Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Renate Gehwolf
- Institute of Tendon and Bone Regeneration, Paracelsus Medical University-Spinal Cord Injury and Tissue Regeneration Center Salzburg, 5020 Salzburg, Austria.,Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Wenjin Yan
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Fabian S Passini
- University Hospital Balgrist, University of Zurich, Zürich, Switzerland.,Institute for Biomechanics, ETH Zurich, 8008 Zürich, Switzerland
| | - Christine Thien
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia
| | - Nadja Weissenbacher
- Institute of Tendon and Bone Regeneration, Paracelsus Medical University-Spinal Cord Injury and Tissue Regeneration Center Salzburg, 5020 Salzburg, Austria.,Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Zhen Lin
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia.,Division of Orthopaedic Surgery, Department of Surgery, Guangdong Provincial People'sHospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510000, China
| | - Christine Lehner
- Institute of Tendon and Bone Regeneration, Paracelsus Medical University-Spinal Cord Injury and Tissue Regeneration Center Salzburg, 5020 Salzburg, Austria.,Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Huajian Teng
- Laboratory for Bone and Joint Disease, Model Animal Research Center (MARC), Nanjing University, Nanjing 210008, China
| | - Claudia Wittner
- Computed Tomography Research Group, University of Applied Sciences Upper Austria, 4600 Wels, Austria
| | - Qiujian Zheng
- Division of Orthopaedic Surgery, Department of Surgery, Guangdong Provincial People'sHospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510000, China
| | - Jin Dai
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Ming Ni
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia.,Department of Orthopaedics, General Hospital of Chinese People's Liberation Army, Beijing 100853, China
| | - Allan Wang
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia
| | - John Papadimitriou
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia.,PathWest Laboratories, Nedlands, Western Australia 6009, Australia
| | - Toby Leys
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia
| | - Rocky S Tuan
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.,Institute for Tissue Engineering and Regenerative Medicine, Chinese University of Hong Kong, Hong Kong SAR, China
| | - Sasha Senck
- Computed Tomography Research Group, University of Applied Sciences Upper Austria, 4600 Wels, Austria
| | - Jess G Snedeker
- University Hospital Balgrist, University of Zurich, Zürich, Switzerland.,Institute for Biomechanics, ETH Zurich, 8008 Zürich, Switzerland
| | - Herbert Tempfer
- Institute of Tendon and Bone Regeneration, Paracelsus Medical University-Spinal Cord Injury and Tissue Regeneration Center Salzburg, 5020 Salzburg, Austria.,Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
| | - Qing Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China.
| | - Ming H Zheng
- Centre for Orthopaedic Translational Research, Medical School, University of Western Australia, Nedlands, Western Australia 6009,Australia. .,Perron Institute for Neurological and Translational Science, Nedlands, Western Australia 6009, Australia
| | - Andreas Traweger
- Institute of Tendon and Bone Regeneration, Paracelsus Medical University-Spinal Cord Injury and Tissue Regeneration Center Salzburg, 5020 Salzburg, Austria. .,Austrian Cluster for Tissue Regeneration, 1200 Vienna, Austria
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19
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Ghanemi A, Yoshioka M, St-Amand J. Secreted Protein Acidic and Rich in Cysteine as A Regeneration Factor: Beyond the Tissue Repair. Life (Basel) 2021; 11:life11010038. [PMID: 33435573 PMCID: PMC7827108 DOI: 10.3390/life11010038] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 02/07/2023] Open
Abstract
Diverse pathologies (inflammation, tissues injuries, cancer, etc.) and physiological conditions (obesity, physical activity, etc.) induce the expression/secretion of the matricellular protein, secrete protein acidic and rich in cysteine (SPARC). SPARC contributes to the creation of an environment that is suitable for tissue regeneration through a variety of roles, including metabolic homeostasis, inflammation reduction, extracellular matrix remodeling and collagen maturation. Such a homeostatic environment optimizes tissue regeneration and improves tissues’ repair ability. These properties that SPARC has within the regeneration contexts could have a variety of applications, such as in obesity, cancer, sarcopenia, diabetes and bioengineering.
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Affiliation(s)
- Abdelaziz Ghanemi
- Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec, QC G1V 0A6, Canada;
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Québec, QC G1V 4G2, Canada;
| | - Mayumi Yoshioka
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Québec, QC G1V 4G2, Canada;
| | - Jonny St-Amand
- Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec, QC G1V 0A6, Canada;
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Québec, QC G1V 4G2, Canada;
- Correspondence: ; Tel.: + 1-(418)-525-4444 (ext. 46448); Fax: +1-(418)-654-2298
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20
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Exercise Training of Secreted Protein Acidic and Rich in Cysteine (Sparc) KO Mice Suggests That Exercise-Induced Muscle Phenotype Changes Are SPARC-Dependent. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10249108] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We previously identified secreted protein acidic and rich in cysteine (Sparc) as an exercise-induced gene in young and elderly individuals. Via this animal experiment, we aim to identify selected implications of SPARC mainly within the muscle in the contexts of exercise. Mice were divided into eight groups based on three variables (age, genotype and exercise): Old (O) or young (Y) × Sparc knock-out (KO) or wild-type (WT) × sedentary (Sed) or exercise (Ex). The exercised groups were trained for 12 weeks at the lactate threshold (LT) speed (including 4 weeks of adaptation period) and all mice were sacrificed afterwards. Body and selected tissues were weighed, and lactate levels in different conditions measured. Expression of skeletal muscle (SM) collagen type I alpha 1 chain (COL1A1) and mitochondrially encoded cytochrome c oxidase I (MT-CO1) in addition to SM strength (grip power) were also measured. Ageing increased the body and white adipose tissue (WAT) weights but decreased SM weight percentage (to body weight) and MT-CO1 expression (in WT). Exercise increased SM COL1A1 in WT mice and MT-CO1 expression, as well as weight percentage of the tibialis anterior muscle, and decreased WAT weight (trend). Compared to WT mice, Sparc KO mice had lower body, muscle and WAT weights, with a decrease in SM MT-CO1 and COL1A1 expression with no genotype effect on lactate levels in all our blood lactate measures. Sparc KO effects on body composition, adiposity and metabolic patterns are toward a reduced WAT and body weight, but with a negative metabolic and functional phenotype of SM. Whereas such negative effects on SM are worsened with ageing, they are relatively improved by exercise. Importantly, our data suggest that the exercise-induced changes in the SM phenotype, in terms of increased performance (metabolic, strength and development), including lactate-induced changes, are SPARC-dependent.
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21
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Exercise-Induced Myokines can Explain the Importance of Physical Activity in the Elderly: An Overview. Healthcare (Basel) 2020; 8:healthcare8040378. [PMID: 33019579 PMCID: PMC7712334 DOI: 10.3390/healthcare8040378] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 09/25/2020] [Accepted: 09/27/2020] [Indexed: 12/12/2022] Open
Abstract
Physical activity has been found to aid the maintenance of health in the elderly. Exercise-induced skeletal muscle contractions lead to the production and secretion of many small proteins and proteoglycan peptides called myokines. Thus, studies on myokines are necessary for ensuring the maintenance of skeletal muscle health in the elderly. This review summarizes 13 myokines regulated by physical activity that are affected by aging and aims to understand their potential roles in metabolic diseases. We categorized myokines into two groups based on regulation by aerobic and anaerobic exercise. With aging, the secretion of apelin, β-aminoisobutyric acid (BAIBA), bone morphogenetic protein 7 (BMP-7), decorin, insulin-like growth factor 1 (IGF-1), interleukin-15 (IL-15), irisin, stromal cell-derived factor 1 (SDF-1), sestrin, secreted protein acidic rich in cysteine (SPARC), and vascular endothelial growth factor A (VEGF-A) decreased, while that of IL-6 and myostatin increased. Aerobic exercise upregulates apelin, BAIBA, IL-15, IL-6, irisin, SDF-1, sestrin, SPARC, and VEGF-A expression, while anaerobic exercise upregulates BMP-7, decorin, IGF-1, IL-15, IL-6, irisin, and VEGF-A expression. Myostatin is downregulated by both aerobic and anaerobic exercise. This review provides a rationale for developing exercise programs or interventions that maintain a balance between aerobic and anaerobic exercise in the elderly.
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22
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SPARCL1 Influences Bovine Skeletal Muscle-Derived Satellite Cell Migration and Differentiation through an ITGB1-Mediated Signaling Pathway. Animals (Basel) 2020; 10:ani10081361. [PMID: 32781616 PMCID: PMC7460340 DOI: 10.3390/ani10081361] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/01/2020] [Accepted: 08/04/2020] [Indexed: 12/27/2022] Open
Abstract
Simple Summary It is known that cell migration and differentiation have a very important yet simple basis for muscle development and muscle disease treatment. Secreted protein acidic and rich in cysteine like 1 (SPARCL1), one of the components of extracellular matrix, has been proved to regulate bovine skeletal muscle-derived satellite cell differentiation. However, the exact mechanism is not yet clear. This study reveals that SPARCL1 promotes muscle-derived satellite cell early differentiation through integrin β1, thereby providing a new insight into the role of SPARCL1 in muscle development. Abstract As an extracellular matrix protein, secreted protein acidic and rich in cysteine (SPARC)-like 1 (SPARCL1) is involved in various cell functions. It was previously implicated in bovine skeletal muscle-derived satellite cell (MDSC) differentiation; however, the underlying mechanism remains unknown. In this study, immunoprecipitation and mass spectrometry revealed that integrin β1 (ITGB1) combines with SPARCL1. Further, co-immunoprecipitation demonstrated that SPARCL1 interacts with ITGB1. Cell scratch assays explored the influence of SPARCL1 on MDSC migration through ITGB1. In addition, desmin staining for myotube fusion rate and MyoD protein expression results showed that SPARCL1 promotes MDSC early differentiation through ITGB1. Furthermore, Western blotting results demonstrated that SPARCL1 regulates the expression of p-FAK, p-paxillin, vinculin, Cdc42, and Arp2/3 through ITGB1. These findings indicate that SPARCL1 may influence bovine MDSC migration and differentiation through an ITGB1-mediated cell signaling pathway. Herein, we elucidated the mechanism through which SPARCL1 affects MDSC differentiation. Our results provide insight into the molecular mechanism of muscle development and may in the future facilitate skeletal muscle regeneration and treatment.
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23
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Guo A, Li K, Xiao Q. Sarcopenic obesity: Myokines as potential diagnostic biomarkers and therapeutic targets? Exp Gerontol 2020; 139:111022. [PMID: 32707318 DOI: 10.1016/j.exger.2020.111022] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/12/2020] [Accepted: 07/13/2020] [Indexed: 02/07/2023]
Abstract
Sarcopenic obesity (SO) is a condition characterized by the occurrence of both sarcopenia and obesity and imposes a heavy burden on the health of the elderly. Controversies and challenges regarding the definition, diagnosis and treatment of SO still remain because of its complex pathogenesis and limitations. Over the past few decades, numerous studies have revealed that myokines secreted from skeletal muscle play significant roles in the regulation of muscle mass and function as well as metabolic homeostasis. Abnormalities in myokines may trigger and promote the pathogenesis underlying age-related and metabolic diseases, including obesity, sarcopenia, type 2 diabetes (T2D), and SO. This review mainly focuses on the role of myokines as potential biomarkers for the early diagnosis and therapeutic targets in SO.
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Affiliation(s)
- Ai Guo
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Kai Li
- Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Qian Xiao
- Department of Geriatrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
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Kim J, Aydemir TB, Jimenez-Rondan FR, Ruggiero CH, Kim MH, Cousins RJ. Deletion of metal transporter Zip14 (Slc39a14) produces skeletal muscle wasting, endotoxemia, Mef2c activation and induction of miR-675 and Hspb7. Sci Rep 2020; 10:4050. [PMID: 32132660 PMCID: PMC7055249 DOI: 10.1038/s41598-020-61059-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 02/18/2020] [Indexed: 02/07/2023] Open
Abstract
Skeletal muscle represents the largest pool of body zinc, however, little is known about muscle zinc homeostasis or muscle-specific zinc functions. Zip14 (Slc39a14) was the most highly expressed zinc transporter in skeletal muscle of mice in response to LPS-induced inflammation. We compared metabolic parameters of skeletal muscle from global Zip14 knockout (KO) and wild-type mice (WT). At basal steady state Zip14 KO mice exhibited a phenotype that included muscle wasting and metabolic endotoxemia. Microarray and qPCR analysis of gastrocnemius muscle RNA revealed that ablation of Zip14 produced increased muscle p-Mef2c, Hspb7 and miR-675-5p expression and increased p38 activation. ChIP assays showed enhanced binding of NF-[Formula: see text] to the Mef2c promoter. In contrast, LPS-induced systemic inflammation enhanced Zip14-dependent zinc uptake by muscle, increased expression of Atrogin1 and MuRF1 and markedly reduced MyoD. These signatures of muscle atrophy and cachexia were not influenced by Zip14 ablation, however. LPS-induced miR-675-3p and -5p expression was Zip14-dependent. Collectively, these results with an integrative model are consistent with a Zip14 function in skeletal muscle at steady state that supports myogenesis through suppression of metabolic endotoxemia and that Zip14 ablation coincides with sustained activity of phosphorylated components of signaling pathways including p-Mef2c, which causes Hspb7-dependent muscle wasting.
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Affiliation(s)
- Jinhee Kim
- Food Science and Human Nutrition Department, Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, 32611, USA
- Rutgers Medical School, Newark, NJ, USA
| | - Tolunay Beker Aydemir
- Food Science and Human Nutrition Department, Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, 32611, USA
- Cornell University, Ithaca, NY, USA
| | - Felix R Jimenez-Rondan
- Food Science and Human Nutrition Department, Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, 32611, USA
| | - Courtney H Ruggiero
- Food Science and Human Nutrition Department, Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, 32611, USA
| | - Min-Hyun Kim
- Food Science and Human Nutrition Department, Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, 32611, USA
- University of Michigan, Ann Arbor, MI, USA
| | - Robert J Cousins
- Food Science and Human Nutrition Department, Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, 32611, USA.
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Yang X, Luo M, Jiang Q, Wang Y. Effects of Huangkui Capsule on the Expression of SPARC in the Kidney Tissue of a Rat Model with Diabetic Nephropathy. Curr Gene Ther 2019; 19:211-215. [PMID: 31553295 DOI: 10.2174/1566523219666190925112249] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/03/2019] [Accepted: 06/12/2019] [Indexed: 11/22/2022]
Abstract
Objective:
The objective of the research is to investigate the effects of Huangkui capsule on
the expression of SPARC in the kidney tissues of diabetic nephropathy.
Methods:
SD rats were divided into three groups: normal control group, untreated DN group and
HKC-treated DN group. The therapeutic effects and underlying molecular mechanism of HKC on DN
rats induced by streptozotocin were evaluated by the levels of serum creatinine, blood urea nitrogen,
24-hour urinary protein and the expression of SPARC. Pathological changes in kidney tissues were
observed through hematoxylin-eosin (HE) staining. Moreover, western blot and quantitative real-time
polymerase chain reaction (qRT-PCR) were applied to detect the variation of SPARC.
Results:
This study was performed to investigate the effects of HKC on DN in SD rats model and its
molecular mechanism. Our results showed that the rats treated with HKC had an improved general
state and reduced creatinine, blood urea nitrogen and 24-hour urinary protein levels. The deterioration
of renal function was delayed due to treatment with HKC. HE staining was utilized to observe that
HKC can improve histopathological findings in the kidney tissues of DN rats, including kidney fibrosis.
Results of western blot and qRT-PCR showed that HKC can inhibit the expressions of SPARC in
the rat model of DN.
Conclusion:
The present findings demonstrated that HKC inhibited SPARC level and had significant
therapeutic effects on DN.
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Affiliation(s)
- Xiaoyao Yang
- Department of Science and Education, Heilongjiang Provincial Hospital, Harbin, China
| | - Meng Luo
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Qinghua Jiang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Yiwei Wang
- Department of Science and Education, Heilongjiang Provincial Hospital, Harbin, China
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Wang Y, Liu S, Yan Y, Li S, Tong H. SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway. Cell Death Dis 2019; 10:852. [PMID: 31699966 PMCID: PMC6838091 DOI: 10.1038/s41419-019-2049-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/23/2019] [Accepted: 10/07/2019] [Indexed: 12/21/2022]
Abstract
The extracellular matrix (ECM) is known to regulate tissue development and cell morphology, movement, and differentiation. SPARCL1 is an ECM protein, but its role in mouse cell differentiation has not been widely investigated. The results of western blotting and immunofluorescence showed that SPARCL1 is associated with the repair of muscle damage in mice and that SPARCL1 binds to bone morphogenetic protein 7 (BMP7) by regulating BMP/transforming growth factor (TGF)-β cell signaling. This pathway promotes the differentiation of C2C12 cells. Using CRISPR/Cas9 technology, we also showed that SPARCL1 activates BMP/TGF-β to promote the differentiation of C2C12 cells. BMP7 molecules were found to interact with SPARCL1 by immunoprecipitation analysis. Western blotting and immunofluorescence were performed to verify the effect of BMP7 on C2C12 cell differentiation. Furthermore, SPARCL1 was shown to influence the expression of BMP7 and activity of the BMP/TGF-β signaling pathway. Finally, SPARCL1 activation was accompanied by BMP7 inhibition in C2C12 cells, which confirmed that SPARCL1 affects BMP7 expression and can promote C2C12 cell differentiation through the BMP/TGF-β pathway. The ECM is essential for muscle regeneration and damage repair. This study intends to improve the understanding of the molecular mechanisms of muscle development and provide new treatment ideas for muscle injury diseases.
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Affiliation(s)
- YuXin Wang
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - ShuaiYu Liu
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - YunQin Yan
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - ShuFeng Li
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - HuiLi Tong
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China. .,Life Science and Biotechnology Research Center, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China.
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Ghanemi A, Melouane A, Yoshioka M, St-Amand J. Secreted protein acidic and rich in cysteine and bioenergetics: Extracellular matrix, adipocytes remodeling and skeletal muscle metabolism. Int J Biochem Cell Biol 2019; 117:105627. [PMID: 31589923 DOI: 10.1016/j.biocel.2019.105627] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 09/20/2019] [Accepted: 10/01/2019] [Indexed: 12/18/2022]
Abstract
The extracellular matrix (ECM) remodeling plays important roles in both adipocytes shape/expansion remodeling and the skeletal muscle (SM) metabolism. Secreted protein acidic and rich in cysteine (SPARC) is expressed in divers tissues including adipose tissue (AT) and SM where it impacts a variety of remodeling as well as metabolic functions. SPARC, also known as osteonectin or BM-40, is a glycoprotein associated with the ECM. Numerous researches attempted to elucidate the implications of SPARC in these two key metabolic tissues under different conditions. Whereas SPARC deficiency tends to shape the remodeling of the adipocytes and the fat distribution, this deficiency decreases SM metabolic properties. On the other hand, SPARC seems to be an enhancer of the metabolism and a mediator of the exercise-induced adaptation in the SM and as well as an adipogenesis inhibitor. Some findings about the SPARC effects on AT and SM seem "contradictory" in terms of tissue development and energy profile therefore highlighting the mechanistic role of SPARC in both is a priority. Yet, within this review, we expose selected researches and compare the results. We conclude with explanations to "reconcile" the different observations, hypothesize the feedback and regulatory character of SPARC and put its roles within the energetic and structural maps of both adipocytes and myocytes in homeostasis and in situations such as obesity or exercise. These properties explain the modifications and the remodeling seen in AT and SM undergoing adaptive changes (obesity, exercise, etc.) and represent a starting point for precise therapeutic targeting of SPARC-related pathways is conditions such as obesity, sarcopenia and diabetes.
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Affiliation(s)
- Abdelaziz Ghanemi
- Functional Genomics Laboratory, CREMI, Québec Genome Center, CHUL-CHU de Québec Research Center, Québec, Québec G1V 4G2, Canada; Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec, Québec G1V 0A6, Canada
| | - Aicha Melouane
- Functional Genomics Laboratory, CREMI, Québec Genome Center, CHUL-CHU de Québec Research Center, Québec, Québec G1V 4G2, Canada; Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec, Québec G1V 0A6, Canada
| | - Mayumi Yoshioka
- Functional Genomics Laboratory, CREMI, Québec Genome Center, CHUL-CHU de Québec Research Center, Québec, Québec G1V 4G2, Canada
| | - Jonny St-Amand
- Functional Genomics Laboratory, CREMI, Québec Genome Center, CHUL-CHU de Québec Research Center, Québec, Québec G1V 4G2, Canada; Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec, Québec G1V 0A6, Canada.
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Zhang R, Lv L, Ban W, Dang X, Zhang C. Identification of Hub Genes in Duchenne Muscular Dystrophy: Evidence from Bioinformatic Analysis. J Comput Biol 2019; 27:1-8. [PMID: 31390219 DOI: 10.1089/cmb.2019.0167] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The hub genes and signaling pathways associated with Duchenne muscular dystrophy (DMD) were predicted by bioinformatic methods to improve the therapeutic effect and quality of life of patients. Microarray data sets GSE465, GSE1004, and GSE1007 were downloaded from the Gene Expression Omnibus (GEO) database. The differentially expressed genes (DEGs) were identified by GEO2R, and function enrichment analyses were performed by DAVID. The protein-protein interaction (PPI) network was constructed and the module analysis was performed using STRING and Cytoscape. A total of 195 DEGs were identified. The enriched functions and pathways of the DEGs include extracellular exosome, focal adhesion, extracellular matrix (ECM), focal adhesion, PI3K-Akt signaling pathway, calcium signaling pathway, and ECM-receptor interaction. Fifteen hub genes were identified. DEGs and hub genes identified in the present study help us understand the molecular mechanisms underlying the pathogenesis and progression of DMD, and provide candidate targets for treatment of DMD.
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Affiliation(s)
- Rupeng Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Leifeng Lv
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Wenrui Ban
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiaoqian Dang
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Chen Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Nilsson MI, Bourgeois JM, Nederveen JP, Leite MR, Hettinga BP, Bujak AL, May L, Lin E, Crozier M, Rusiecki DR, Moffatt C, Azzopardi P, Young J, Yang Y, Nguyen J, Adler E, Lan L, Tarnopolsky MA. Lifelong aerobic exercise protects against inflammaging and cancer. PLoS One 2019; 14:e0210863. [PMID: 30682077 PMCID: PMC6347267 DOI: 10.1371/journal.pone.0210863] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Accepted: 01/03/2019] [Indexed: 12/16/2022] Open
Abstract
Biological aging is associated with progressive damage accumulation, loss of organ reserves, and systemic inflammation ('inflammaging'), which predispose for a wide spectrum of chronic diseases, including several types of cancer. In contrast, aerobic exercise training (AET) reduces inflammation, lowers all-cause mortality, and enhances both health and lifespan. In this study, we examined the benefits of early-onset, lifelong AET on predictors of health, inflammation, and cancer incidence in a naturally aging mouse model (C57BL/J6). Lifelong, voluntary wheel-running (O-AET; 26-month-old) prevented age-related declines in aerobic fitness and motor coordination vs. age-matched, sedentary controls (O-SED). AET also provided partial protection against sarcopenia, dynapenia, testicular atrophy, and overall organ pathology, hence augmenting the 'physiologic reserve' of lifelong runners. Systemic inflammation, as evidenced by a chronic elevation in 17 of 18 pro- and anti-inflammatory cytokines and chemokines (P < 0.05 O-SED vs. 2-month-old Y-CON), was potently mitigated by lifelong AET (P < 0.05 O-AET vs. O-SED), including master regulators of the cytokine cascade and cancer progression (IL-1β, TNF-α, and IL-6). In addition, circulating SPARC, previously known to be upregulated in metabolic disease, was elevated in old, sedentary mice, but was normalized to young control levels in lifelong runners. Remarkably, malignant tumours were also completely absent in the O-AET group, whereas they were present in the brain (pituitary), liver, spleen, and intestines of sedentary mice. Collectively, our results indicate that early-onset, lifelong running dampens inflammaging, protects against multiple cancer types, and extends healthspan of naturally-aged mice.
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Affiliation(s)
- Mats I. Nilsson
- Department of Pathology and Molecular Medicine, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
- Exerkine Corporation, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Jacqueline M. Bourgeois
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Joshua P. Nederveen
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Marlon R. Leite
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Bart P. Hettinga
- Exerkine Corporation, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Adam L. Bujak
- Exerkine Corporation, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Linda May
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Ethan Lin
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Michael Crozier
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Daniel R. Rusiecki
- Exerkine Corporation, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Chris Moffatt
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Paul Azzopardi
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Jacob Young
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Yifan Yang
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Jenny Nguyen
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Ethan Adler
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Lucy Lan
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
| | - Mark A. Tarnopolsky
- Exerkine Corporation, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
- Department of Pediatrics, McMaster University Medical Center (MUMC), Hamilton, Ontario, Canada
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30
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The role of exercise-induced myokines in regulating metabolism. Arch Pharm Res 2017; 41:14-29. [DOI: 10.1007/s12272-017-0994-y] [Citation(s) in RCA: 118] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 11/21/2017] [Indexed: 12/25/2022]
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