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Toita R, Kitamura M, Tsuchiya A, Kang J, Kasahara S. Releasable, Immune-Instructive, Bioinspired Multilayer Coating Resists Implant-Induced Fibrosis while Accelerating Tissue Repair. Adv Healthc Mater 2024; 13:e2302611. [PMID: 38095751 PMCID: PMC11468989 DOI: 10.1002/adhm.202302611] [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: 08/10/2023] [Indexed: 12/21/2023]
Abstract
Implantable biomaterials trigger foreign body reactions (FBRs), which reduces the functional life of medical devices and prevents effective tissue regeneration. Although existing therapeutic approaches can circumvent collagen-rich fibrotic encapsulation secondary to FBRs, they disrupt native tissue repair. Herein, a new surface engineering strategy in which an apoptotic-mimetic, immunomodulatory, phosphatidylserine liposome (PSL) is released from an implant coating to induce the formation of a macrophage phenotype that mitigates FBRs and improves tissue healing is described. PSL-multilayers constructed on implant surfaces via the layer-by-layer method release PSLs over a 1-month period. In rat muscles, poly(etheretherketone) (PEEK), a nondegradable polymer implant model, induces FBRs with dense fibrotic scarring under an aberrant cellular profile that recruits high levels of inflammatory infiltrates, foreign body giant cells (FBGCs), scar-forming myofibroblasts, and inflammatory M1-like macrophages but negligible amounts of anti-inflammatory M2-like phenotypes. However, the PSL-multilayer coating markedly diminishes these detrimental signatures by shifting the macrophage phenotype. Unlike other therapeutics, PSL-multilayered coatings also stimulate muscle regeneration. This study demonstrates that PSL-multilayered coatings are effective in eliminating FBRs and promoting regeneration, hence offering potent and broad applications for implantable biomaterials.
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Affiliation(s)
- Riki Toita
- Biomedical Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST)1‐8‐31 MidorigaokaIkedaOsaka563‐8577Japan
- AIST‐Osaka University Advanced Photonics and Biosensing Open Innovation LaboratoryAIST2‐1 YamadaokaSuitaOsaka565‐0871Japan
| | - Masahiro Kitamura
- Niterra Co., Ltd.2808 IwasakiKomakiAichi485–8510Japan
- NGK Spark Plug‐AIST Healthcare Materials Cooperative Research Laboratory2266–98 AnagahoraShimoshidami, Moriyama‐kuNagoyaAichi463–8560Japan
| | - Akira Tsuchiya
- Department of BiomaterialsFaculty of Dental ScienceKyushu University3‐1‐1 MaidashiHigashi‐kuFukuoka812–8582Japan
| | - Jeong‐Hun Kang
- Division of Biopharmaceutics and PharmacokineticsNational Cerebral and Cardiovascular Center Research Institute6‐1 Shinmachi, KishibeSuitaOsaka564–8565Japan
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2
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Yacoub AS, Ashin ZF, Awad K, Guntur S, Wilson M, Daniel M, Aswath P, Brotto M, Varanasi V. Market Needs and Methodologies Associated with Patient Lipidomic Diagnoses and Analyses. Methods Mol Biol 2024; 2816:53-67. [PMID: 38977588 DOI: 10.1007/978-1-0716-3902-3_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
This chapter conducts an in-depth exploration of the impact of musculoskeletal (MSK) disorders and injuries, with a specific emphasis on their consequences within the older population demographic. It underscores the escalating demand for innovative interventions in MSK tissue engineering. The chapter also highlights the fundamental role played by lipid signaling mediators (LSMs) in tissue regeneration, with relevance to bone and muscle recovery. Remarkably, Prostaglandin E2 (PGE2) emerges as a central orchestrator in these regenerative processes. Furthermore, the chapter investigates the complex interplay between bone and muscle tissues, explaining the important influence exerted by LSMs on their growth and differentiation. The targeted modulation of LSM pathways holds substantial promise as a beneficial way for addressing muscle disorders. In addition to these conceptual understandings, the chapter provides a comprehensive overview of methodologies employed in the identification of LSMs, with a specific focus on the Liquid Chromatography-Mass Spectrometry (LC-MS). Furthermore, it introduces a detailed LC MS/MS-based protocol tailored for the detection of PGE2, serving as an invaluable resource for researchers immersed in this dynamic field of study.
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Affiliation(s)
- Ahmed S Yacoub
- Bone Muscle Research Center, The University of Texas at Arlington, Arlington, TX, USA
- Department of Kinesiology, College of Nursing and Health Innovation, The University of Texas at Arlington, Arlington, TX, USA
| | - Zeinab Fotouhi Ashin
- Bone Muscle Research Center, The University of Texas at Arlington, Arlington, TX, USA
- Department of Materials Science and Engineering, The University of Texas at Arlington, Arlington, TX, USA
| | - Kamal Awad
- Bone Muscle Research Center, The University of Texas at Arlington, Arlington, TX, USA
- Department of Materials Science and Engineering, The University of Texas at Arlington, Arlington, TX, USA
| | - Sindhu Guntur
- Department of Materials Science and Engineering, The University of Texas at Arlington, Arlington, TX, USA
| | - Michael Wilson
- Department of Materials Science and Engineering, The University of Texas at Arlington, Arlington, TX, USA
| | - Merina Daniel
- Bone Muscle Research Center, The University of Texas at Arlington, Arlington, TX, USA
| | - Pranesh Aswath
- Department of Materials Science and Engineering, The University of Texas at Arlington, Arlington, TX, USA
| | - Marco Brotto
- Bone Muscle Research Center, The University of Texas at Arlington, Arlington, TX, USA
| | - Venu Varanasi
- Bone Muscle Research Center, The University of Texas at Arlington, Arlington, TX, USA.
- Department of Materials Science and Engineering, The University of Texas at Arlington, Arlington, TX, USA.
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Florio F, Vencato S, Papa FT, Libergoli M, Kheir E, Ghzaiel I, Rando TA, Torrente Y, Biressi S. Combinatorial activation of the WNT-dependent fibrogenic program by distinct complement subunits in dystrophic muscle. EMBO Mol Med 2023; 15:e17405. [PMID: 37927228 PMCID: PMC10701616 DOI: 10.15252/emmm.202317405] [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: 01/10/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 11/07/2023] Open
Abstract
Fibrosis is associated with compromised muscle functionality in Duchenne muscular dystrophy (DMD). We report observations with tissues from dystrophic patients and mice supporting a model to explain fibrosis in DMD, which relies on the crosstalk between the complement and the WNT signaling pathways and the functional interactions of two cellular types. Fibro-adipogenic progenitors and macrophages, which populate the inflamed dystrophic muscles, act as a combinatorial source of WNT activity by secreting distinct subunits of the C1 complement complex. The resulting aberrant activation of the WNT signaling in responsive cells, such as fibro-adipogenic progenitors, contributes to fibrosis. Indeed, pharmacological inhibition of the C1r/s subunits in a murine model of DMD mitigated the activation of the WNT signaling pathway, reduced the fibrogenic characteristics of the fibro-adipogenic progenitors, and ameliorated the dystrophic phenotype. These studies shed new light on the molecular and cellular mechanisms responsible for fibrosis in muscular dystrophy and open to new therapeutic strategies.
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Affiliation(s)
- Francesca Florio
- Department of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
- Dulbecco Telethon Institute at University of TrentoTrentoItaly
- Neurology UnitFondazione IRCCS Ca' Granda Ospedale Maggiore PoliclinicoMilanItaly
| | - Sara Vencato
- Department of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
- Dulbecco Telethon Institute at University of TrentoTrentoItaly
| | - Filomena T Papa
- Department of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
- Dulbecco Telethon Institute at University of TrentoTrentoItaly
| | - Michela Libergoli
- Department of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
- Dulbecco Telethon Institute at University of TrentoTrentoItaly
| | - Eyemen Kheir
- Department of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
- Dulbecco Telethon Institute at University of TrentoTrentoItaly
| | - Imen Ghzaiel
- Department of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
- Dulbecco Telethon Institute at University of TrentoTrentoItaly
| | - Thomas A Rando
- Broad Stem Cell Research CenterUniversity of California Los AngelesLos AngelesCAUSA
| | - Yvan Torrente
- Neurology UnitFondazione IRCCS Ca' Granda Ospedale Maggiore PoliclinicoMilanItaly
- Stem Cell Laboratory, Dino Ferrari Center, Department of Pathophysiology and TransplantationUniversity of MilanMilanItaly
| | - Stefano Biressi
- Department of Cellular, Computational and Integrative Biology (CIBIO)University of TrentoTrentoItaly
- Dulbecco Telethon Institute at University of TrentoTrentoItaly
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Kase N, Kitagawa Y, Ikenaka A, Niwa A, Saito MK. A concise in vitro model for evaluating interactions between macrophage and skeletal muscle cells during muscle regeneration. Front Cell Dev Biol 2023; 11:1022081. [PMID: 37274738 PMCID: PMC10236217 DOI: 10.3389/fcell.2023.1022081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 04/28/2023] [Indexed: 06/06/2023] Open
Abstract
Skeletal muscle has a highly regenerative capacity, but the detailed process is not fully understood. Several in vitro skeletal muscle regeneration models have been developed to elucidate this, all of which rely on specialized culture conditions that limit the accessibility and their application to many general experiments. Here, we established a concise in vitro skeletal muscle regeneration model using mouse primary cells. This model allows evaluation of skeletal muscle regeneration in two-dimensional culture system similar to a typical cell culture, showing a macrophage-dependent regenerative capacity, which is an important process in skeletal muscle regeneration. Based on the concept that this model could assess the contribution of macrophages of various phenotypes to skeletal muscle regeneration, we evaluated the effect of endotoxin pre-stimulation for inducing various changes in gene expression on macrophages and found that the contribution to skeletal muscle regeneration was significantly reduced. The gene expression patterns differed from those of naive macrophages, especially immediately after skeletal muscle injury, suggesting that the difference in responsiveness contributed to the difference in regenerative efficiency. Our findings provide a concise in vitro model that enables the evaluation of the contribution of individual cell types, such as macrophages and muscle stem cells, on skeletal muscle regeneration.
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Transcription factor NRF2 as potential therapeutic target for preventing muscle wasting in aging chronic kidney disease patients. J Nephrol 2022; 35:2215-2225. [PMID: 36322291 PMCID: PMC9700608 DOI: 10.1007/s40620-022-01484-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 10/01/2022] [Indexed: 11/27/2022]
Abstract
Increased muscle protein catabolism leading to muscle wasting is a prominent feature of the syndrome of protein-energy wasting (PEW) in patients with chronic kidney disease (CKD). PEW and muscle wasting are induced by factors such as inflammation, oxidative stress and metabolic acidosis that activate the ubiquitin-proteasome system, the main regulatory mechanism of skeletal muscle degradation. Whether deficiency of nuclear factor erythroid 2-related factor 2 (NRF2), which regulates expression of antioxidant proteins protecting against oxidative damage triggered by inflammation, may exacerbate PEW has yet to be examined in aging patients with CKD. This review focuses on the hypothesis that NRF2 is involved in the maintenance of muscle mass and explores whether sustained activation of NRF2 by non-pharmacological interventions using nutraceutical activators to improve redox homeostasis could be a plausible strategy to prevent skeletal muscle disorders, including muscle wasting, sarcopenia and frailty associated with PEW in aging CKD patients.
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Wang Y, Lu J, Liu Y. Skeletal Muscle Regeneration in Cardiotoxin-Induced Muscle Injury Models. Int J Mol Sci 2022; 23:ijms232113380. [PMID: 36362166 PMCID: PMC9657523 DOI: 10.3390/ijms232113380] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022] Open
Abstract
Skeletal muscle injuries occur frequently in daily life and exercise. Understanding the mechanisms of regeneration is critical for accelerating the repair and regeneration of muscle. Therefore, this article reviews knowledge on the mechanisms of skeletal muscle regeneration after cardiotoxin-induced injury. The process of regeneration is similar in different mouse strains and is inhibited by aging, obesity, and diabetes. Exercise, microcurrent electrical neuromuscular stimulation, and mechanical loading improve regeneration. The mechanisms of regeneration are complex and strain-dependent, and changes in functional proteins involved in the processes of necrotic fiber debris clearance, M1 to M2 macrophage conversion, SC activation, myoblast proliferation, differentiation and fusion, and fibrosis and calcification influence the final outcome of the regenerative activity.
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7
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Chen M, Wang Y, Deng S, Lian Z, Yu K. Skeletal muscle oxidative stress and inflammation in aging: Focus on antioxidant and anti-inflammatory therapy. Front Cell Dev Biol 2022; 10:964130. [PMID: 36111339 PMCID: PMC9470179 DOI: 10.3389/fcell.2022.964130] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 08/10/2022] [Indexed: 12/06/2022] Open
Abstract
With aging, the progressive loss of skeletal muscle will have negative effect on multiple physiological parameters, such as exercise, respiration, thermoregulation, and metabolic homeostasis. Accumulating evidence reveals that oxidative stress and inflammation are the main pathological characteristics of skeletal muscle during aging. Here, we focus on aging-related sarcopenia, summarize the relationship between aging and sarcopenia, and elaborate on aging-mediated oxidative stress and oxidative damage in skeletal muscle and its critical role in the occurrence and development of sarcopenia. In addition, we discuss the production of excessive reactive oxygen species in aging skeletal muscle, which reduces the ability of skeletal muscle satellite cells to participate in muscle regeneration, and analyze the potential molecular mechanism of ROS-mediated mitochondrial dysfunction in aging skeletal muscle. Furthermore, we have also paid extensive attention to the possibility and potential regulatory pathways of skeletal muscle aging and oxidative stress mediate inflammation. Finally, in response to the abnormal activity of oxidative stress and inflammation during aging, we summarize several potential antioxidant and anti-inflammatory strategies for the treatment of sarcopenia, which may provide beneficial help for improving sarcopenia during aging.
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Affiliation(s)
- Mingming Chen
- College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yiyi Wang
- Zhejiang A&F University, Zhejiang Provincial Key Laboratory of Characteristic Traditional Chinese Medicine Resources Protection and Innovative Utilization, Lin’an, China
| | - Shoulong Deng
- NHC Key Laboratory of Human Disease Comparative Medicine, Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Zhengxing Lian
- College of Animal Science and Technology, China Agricultural University, Beijing, China
- *Correspondence: Zhengxing Lian, ; Kun Yu,
| | - Kun Yu
- College of Animal Science and Technology, China Agricultural University, Beijing, China
- *Correspondence: Zhengxing Lian, ; Kun Yu,
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8
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Florio F, Accordini S, Libergoli M, Biressi S. Targeting Muscle-Resident Single Cells Through in vivo Electro-Enhanced Plasmid Transfer in Healthy and Compromised Skeletal Muscle. Front Physiol 2022; 13:834705. [PMID: 35431987 PMCID: PMC9010744 DOI: 10.3389/fphys.2022.834705] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 02/25/2022] [Indexed: 11/13/2022] Open
Abstract
Skeletal muscle is composed of syncytial muscle fibers, and by various mononucleated cellular types, such as muscle stem cells, immune cells, interstitial and stromal progenitors. These cell populations play a crucial role during muscle regeneration, and alterations of their phenotypic properties have been associated with defective repair and fibrosis in aging and dystrophic muscle. Studies involving in vivo gene modulation are valuable to investigate the mechanisms underlining cell function and dysfunction in complex pathophysiological settings. Electro-enhanced transfer of plasmids using square-wave generating devices represents a cost-effective approach that is widely used to transport DNA to muscle fibers efficiently. Still, it is not clear if this method can also be applied to mononuclear cells present in muscle. We demonstrate here that it is possible to efficiently deliver DNA into different muscle–resident cell populations in vivo. We evaluated the efficiency of this approach not only in healthy muscle but also in muscles of aging and dystrophic animal models. As an exemplificative application of this method, we used a strategy relying on a reporter gene-based plasmid containing regulatory sequences from the collagen 1 locus, and we determined collagen expression in various cell types reportedly involved in the production of fibrotic tissue in the dystrophic settings. The results enclosed in this manuscript reveal the suitability in applying electro-enhanced transfer of plasmid DNA to mononucleated muscle-resident cells to get insights into the molecular events governing diseased muscle physiology.
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Affiliation(s)
- Francesca Florio
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
- Dulbecco Telethon Institute at University of Trento, Trento, Italy
| | - Silvia Accordini
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
| | - Michela Libergoli
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
- Dulbecco Telethon Institute at University of Trento, Trento, Italy
| | - Stefano Biressi
- Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
- Dulbecco Telethon Institute at University of Trento, Trento, Italy
- *Correspondence: Stefano Biressi,
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9
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Cheng H, Huang H, Guo Z, Chang Y, Li Z. Role of prostaglandin E2 in tissue repair and regeneration. Am J Cancer Res 2021; 11:8836-8854. [PMID: 34522214 PMCID: PMC8419039 DOI: 10.7150/thno.63396] [Citation(s) in RCA: 105] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/05/2021] [Indexed: 12/14/2022] Open
Abstract
Tissue regeneration following injury from disease or medical treatment still represents a challenge in regeneration medicine. Prostaglandin E2 (PGE2), which involves diverse physiological processes via E-type prostanoid (EP) receptor family, favors the regeneration of various organ systems following injury for its capabilities such as activation of endogenous stem cells, immune regulation, and angiogenesis. Understanding how PGE2 modulates tissue regeneration and then exploring how to elevate the regenerative efficiency of PGE2 will provide key insights into the tissue repair and regeneration processes by PGE2. In this review, we summarized the application of PGE2 to guide the regeneration of different tissues, including skin, heart, liver, kidney, intestine, bone, skeletal muscle, and hematopoietic stem cell regeneration. Moreover, we introduced PGE2-based therapeutic strategies to accelerate the recovery of impaired tissue or organs, including 15-hydroxyprostaglandin dehydrogenase (15-PGDH) inhibitors boosting endogenous PGE2 levels and biomaterial scaffolds to control PGE2 release.
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10
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Lu MY, Lin YL, Kuo Y, Chuang CF, Wang JR, Liao F. Muscle Tissue Damage and Recovery After EV71 Infection Correspond to Dynamic Macrophage Phenotypes. Front Immunol 2021; 12:648184. [PMID: 34305887 PMCID: PMC8299204 DOI: 10.3389/fimmu.2021.648184] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 06/28/2021] [Indexed: 12/01/2022] Open
Abstract
Enterovirus 71 (EV71) is a positive single-stranded RNA virus from the enterovirus genus of the Picornaviridae family. Most young children infected with EV71 develop mild symptoms of hand, foot and mouth disease, but some develop severe symptoms with neurological involvement. Limb paralysis from EV71 infection is presumed to arise mainly from dysfunction of motor neurons in the spinal cord. However, EV71 also targets and damages skeletal muscle, which may also contribute to the debilitating symptoms. In this study, we have delineated the impacts of EV71 infection on skeletal muscle using a mouse model. Mouse pups infected with EV71 developed limb paralysis, starting at day 3 post-infection and peaking at day 5-7 post-infection. At later times, mice recovered gradually but not completely. Notably, severe disease was associated with high levels of myositis accompanied by muscle calcification and persistent motor end plate abnormalities. Interestingly, macrophages exhibited a dynamic change in phenotype, with inflammatory macrophages (CD45+CD11b+Ly6Chi) appearing in the early stage of infection and anti-inflammatory/restorative macrophages (CD45+CD11b+Ly6Clow/-) appearing in the late stage. The presence of inflammatory macrophages was associated with severe inflammation, while the restorative macrophages were associated with recovery. Altogether, we have demonstrated that EV71 infection causes myositis, muscle calcification and structural defects in motor end plates. Subsequent muscle regeneration is associated with a dynamic change in macrophage phenotype.
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Affiliation(s)
- Mei-Yi Lu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Ya-Lin Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Yali Kuo
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Chi-Fen Chuang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Jen-Ren Wang
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Tainan, Taiwan.,Department of Medical Laboratory Science and Biotechnology, National Cheng Kung University, Tainan, Taiwan.,Department of Pathology, National Cheng Kung University Hospital, Tainan, Taiwan.,Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan, Taiwan
| | - Fang Liao
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
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11
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Hymel LA, Ogle ME, Anderson SE, San Emeterio CL, Turner TC, York WY, Liu AY, Olingy CE, Sridhar S, Lim HS, Sulchek T, Qiu P, Jang YC, Willett NJ, Botchwey EA. Modulating local S1P receptor signaling as a regenerative immunotherapy after volumetric muscle loss injury. J Biomed Mater Res A 2021; 109:695-712. [PMID: 32608188 PMCID: PMC7772280 DOI: 10.1002/jbm.a.37053] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/08/2020] [Accepted: 06/12/2020] [Indexed: 12/17/2022]
Abstract
Regeneration of skeletal muscle after volumetric injury is thought to be impaired by a dysregulated immune microenvironment that hinders endogenous repair mechanisms. Such defects result in fatty infiltration, tissue scarring, chronic inflammation, and debilitating functional deficits. Here, we evaluated the key cellular processes driving dysregulation in the injury niche through localized modulation of sphingosine-1-phosphate (S1P) receptor signaling. We employ dimensionality reduction and pseudotime analysis on single cell cytometry data to reveal heterogeneous immune cell subsets infiltrating preclinical muscle defects due to S1P receptor inhibition. We show that global knockout of S1P receptor 3 (S1PR3) is marked by an increase of muscle stem cells within injured tissue, a reduction in classically activated relative to alternatively activated macrophages, and increased bridging of regenerating myofibers across the defect. We found that local S1PR3 antagonism via nanofiber delivery of VPC01091 replicated key features of pseudotime immune cell recruitment dynamics and enhanced regeneration characteristic of global S1PR3 knockout. Our results indicate that local S1P receptor modulation may provide an effective immunotherapy for promoting a proreparative environment leading to improved regeneration following muscle injury.
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Affiliation(s)
- Lauren A. Hymel
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Molly E. Ogle
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Shannon E. Anderson
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | | | - Thomas C. Turner
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - William Y. York
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Alan Y. Liu
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Claire E. Olingy
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Sraeyes Sridhar
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Hong Seo Lim
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Todd Sulchek
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, USA 30332
- School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Peng Qiu
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
| | - Young C. Jang
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, USA 30332
| | - Nick J. Willett
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
- Department of Orthopedics, Emory University, Atlanta, GA, USA 30322
- Atlanta Veteran’s Affairs Medical Center, Decatur, GA, 30030
| | - Edward A. Botchwey
- Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, USA
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12
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Casale GP, Thompson JR, Carpenter LC, Kim J, Lackner TJ, Mietus CJ, Ha DM, Myers SA, Brunette KE, Li S, Shields C, Willcockson G, Pipinos II. Cytokine signature of inflammation mediated by autoreactive Th-cells, in calf muscle of claudicating patients with Fontaine stage II peripheral artery disease. Transl Res 2021; 228:94-108. [PMID: 32835907 PMCID: PMC7779738 DOI: 10.1016/j.trsl.2020.08.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 07/21/2020] [Accepted: 08/20/2020] [Indexed: 02/06/2023]
Abstract
Peripheral artery disease (PAD), a severe atherosclerotic condition primarily of the elderly, afflicts 200 million individuals, worldwide, and is associated with lower extremity myopathy. Circulating markers of inflammation have been linked to risk and severity of PAD but the contribution of local inflammation to myopathy remains unknown. We evaluated, by ELISA, calf muscle of PAD patients (N = 23) and control subjects (N = 18) for local expression of inflammatory cytokines including Granulocyte/Monocyte Colony-Stimulating Factor (GM-CSF), Interleukin 17A (IL-17A), Interferon ϒ (IFN-ϒ), tumor necrosis factor α (TNF-α), and Interleukin 6 (IL-6). One or more of these cytokines were expressed in nineteen patients and 2 controls and coordinated expression of GM-CSF, IL-17A, IFN-ϒ, and TNF-α, a signature of activated, MHC Class II dependent autoreactive Th-cells, was unique to 11 patients. GM-CSF is the central driver of tissue-damaging myeloid macrophages. Patients with this cytokine signature had a shorter (P= 0.017) Claudication Onset Distance (17 m) compared with patients lacking the signature (102 m). Transforming Growth Factor β1 (TGFβ1) and Chemokine Ligand 5 (CCL5) were expressed coordinately in all PAD and control muscles, independently of GM-CSF, IL-17A, IFN-ϒ, TNF-α, or IL-6. TGFβ1 and CCL5 and their gene transcripts were increased in PAD muscle, consistent with increased age-associated inflammation in these patients. Serum cytokines were not informative of muscle cytokine expression. We have identified a cytokine profile of autoimmune inflammation in calf muscles of a significant proportion of claudicating PAD patients, in association with decreased limb function, and a second independent profile consistent with increased "inflammaging" in all PAD patients.
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Affiliation(s)
- George P Casale
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska.
| | - Jonathan R Thompson
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Lauren C Carpenter
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Julian Kim
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Timothy J Lackner
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Constance J Mietus
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Duy M Ha
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Sara A Myers
- Department of Biomechanics, University of Nebraska at Omaha, Omaha, Nebraska
| | | | - Shuai Li
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Christina Shields
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Gregory Willcockson
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Iraklis I Pipinos
- Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska
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13
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Fibrosis following Acute Skeletal Muscle Injury: Mitigation and Reversal Potential in the Clinic. JOURNAL OF SPORTS MEDICINE 2020; 2020:7059057. [PMID: 33376749 PMCID: PMC7745048 DOI: 10.1155/2020/7059057] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 07/14/2020] [Indexed: 12/13/2022]
Abstract
Skeletal muscle injuries occur often in athletics and in daily life. In minor injuries, muscles are able to regenerate completely and recover their functional capabilities. However, in the case of severe injuries, the injured muscle cannot recover to a functional level because of the formation of fibrous scar tissue. The physical barrier of scars is significantly challenged in both research and clinical treatment. Fibrous scar tissue not only limits cells' migration, but also contributes to normal tissue biomechanical properties. This scar formation creates an unsuitable environment for tissue structure resulting in frequent pain. Antifibrosis treatment is one of the major strategies used to augment muscle regeneration and accelerate its functional recovery. This review will discuss the currently available methods for improving muscle regeneration with a specific focus on antifibrosis applications. We also discussed several novel hypotheses and clinical applications in muscle fibrosis treatment currently in practice.
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14
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Prolyl hydroxylase domain 2 reduction enhances skeletal muscle tissue regeneration after soft tissue trauma in mice. PLoS One 2020; 15:e0233261. [PMID: 32413092 PMCID: PMC7228053 DOI: 10.1371/journal.pone.0233261] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 05/01/2020] [Indexed: 12/13/2022] Open
Abstract
The transcription factor Hypoxia-inducible factor 1 (HIF-1) plays a pivotal role in tissue regeneration. HIF-1 is negatively controlled by O2-dependent prolyl hydroxylases with a predominant role of prolyl hydroxylase 2 isoform (Phd2). Transgenic mice, hypomorphic for this isoform, accumulate more HIF-1 under normoxic conditions. Using these mice, we investigated the influence of Phd2 and HIF-1 on the regenerative capability of skeletal muscle tissue after myotrauma. Phd2-hypomorphic and wild type mice (on C57Bl/6 background) were grouped with regeneration times from 6 to 168 hours after closed mechanic muscle trauma to the hind limb. Tissue samples were analysed by immuno-staining and real-time PCR. Bone marrow derived macrophages of wild type and Phd2-hypomorphic mice were isolated and analysed via flow cytometry and quantitative real-time PCR. Phd2 reduction led to a higher regenerative capability due to enhanced activation of myogenic factors accompanied by induction of genes responsible for glucose and lactate metabolism in Phd2-hypomorphic mice. Macrophage infiltration into the trauma areas in hypomorphic mice started earlier and was more pronounced compared to wild type mice. Phd2-hypomorphic mice also showed higher numbers of macrophages in areas with sustained trauma 72 hours after myotrauma application. In conclusion, we postulate that the HIF-1 pathway is activated secondary to a Phd2 reduction which may lead to i) higher activation of myogenic factors, ii) increased number of positive stem cell proliferation markers, and iii) accelerated macrophage recruitment to areas of trauma, resulting in faster muscle tissue regeneration after myotrauma. With the current development of prolyl hydroxylase domain inhibitors, our findings point towards a potential clinical benefit after myotrauma.
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15
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Stepien DM, Hwang C, Marini S, Pagani CA, Sorkin M, Visser ND, Huber AK, Edwards NJ, Loder SJ, Vasquez K, Aguilar CA, Kumar R, Mascharak S, Longaker MT, Li J, Levi B. Tuning Macrophage Phenotype to Mitigate Skeletal Muscle Fibrosis. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2020; 204:2203-2215. [PMID: 32161098 PMCID: PMC8080967 DOI: 10.4049/jimmunol.1900814] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 01/20/2020] [Indexed: 12/16/2022]
Abstract
Myeloid cells are critical to the development of fibrosis following muscle injury; however, the mechanism of their role in fibrosis formation remains unclear. In this study, we demonstrate that myeloid cell-derived TGF-β1 signaling is increased in a profibrotic ischemia reperfusion and cardiotoxin muscle injury model. We found that myeloid-specific deletion of Tgfb1 abrogates the fibrotic response in this injury model and reduces fibro/adipogenic progenitor cell proliferation while simultaneously enhancing muscle regeneration, which is abrogated by adaptive transfer of normal macrophages. Similarly, a murine TGFBRII-Fc ligand trap administered after injury significantly reduced muscle fibrosis and improved muscle regeneration. This study ultimately demonstrates that infiltrating myeloid cell TGF-β1 is responsible for the development of traumatic muscle fibrosis, and its blockade offers a promising therapeutic target for preventing muscle fibrosis after ischemic injury.
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Affiliation(s)
- David M Stepien
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Charles Hwang
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Simone Marini
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI 48109
| | - Chase A Pagani
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Michael Sorkin
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Noelle D Visser
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Amanda K Huber
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Nicole J Edwards
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Shawn J Loder
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Kaetlin Vasquez
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Carlos A Aguilar
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
- Biomedical Engineering Department, Biointerfaces Institute and Cellular and Molecular Biology Program, University of Michigan, Ann Arbor, MI 48109
| | - Ravi Kumar
- Acceleron Pharmaceuticals, Cambridge MA 02139
| | - Shamik Mascharak
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford School of Medicine, Stanford University, Stanford, CA 94305; and
| | - Michael T Longaker
- Hagey Laboratory for Pediatric Regenerative Medicine, Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford School of Medicine, Stanford University, Stanford, CA 94305; and
- Institute of Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford University, Stanford, CA 94305
| | - Jun Li
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI 48109
| | - Benjamin Levi
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109;
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16
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Ruparelia AA, Ratnayake D, Currie PD. Stem cells in skeletal muscle growth and regeneration in amniotes and teleosts: Emerging themes. WILEY INTERDISCIPLINARY REVIEWS-DEVELOPMENTAL BIOLOGY 2019; 9:e365. [PMID: 31743958 DOI: 10.1002/wdev.365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 09/22/2019] [Accepted: 10/03/2019] [Indexed: 12/19/2022]
Abstract
Skeletal muscle is a contractile, postmitotic tissue that retains the capacity to grow and regenerate throughout life in amniotes and teleost. Both muscle growth and regeneration are regulated by obligate tissue resident muscle stem cells. Given that considerable knowledge exists on the myogenic process, recent studies have focused on examining the molecular markers of muscle stem cells, and on the intrinsic and extrinsic signals regulating their function. From this, two themes emerge: firstly, muscle stem cells display remarkable heterogeneity not only with regards to their gene expression profile, but also with respect to their behavior and function; and secondly, the stem cell niche is a critical regulator of muscle stem cell function during growth and regeneration. Here, we will address the current understanding of these emerging themes with emphasis on the distinct processes used by amniotes and teleost, and discuss the challenges and opportunities in the muscle growth and regeneration fields. This article is characterized under: Adult Stem Cells, Tissue Renewal, and Regeneration > Tissue Stem Cells and Niches Early Embryonic Development > Development to the Basic Body Plan Vertebrate Organogenesis > Musculoskeletal and Vascular.
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Affiliation(s)
- Avnika A Ruparelia
- Australian Regenerative Medicine Institute, Monash University, Melbourne, Victoria, Australia.,EMBL Australia, Monash University, Melbourne, Victoria, Australia
| | - Dhanushika Ratnayake
- Australian Regenerative Medicine Institute, Monash University, Melbourne, Victoria, Australia.,EMBL Australia, Monash University, Melbourne, Victoria, Australia
| | - Peter D Currie
- Australian Regenerative Medicine Institute, Monash University, Melbourne, Victoria, Australia.,EMBL Australia, Monash University, Melbourne, Victoria, Australia
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17
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Zheng L, Liu X, Chen P, Xiao W. Expression and role of lncRNAs in the regeneration of skeletal muscle following contusion injury. Exp Ther Med 2019; 18:2617-2627. [PMID: 31572510 PMCID: PMC6755471 DOI: 10.3892/etm.2019.7871] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 07/12/2019] [Indexed: 12/16/2022] Open
Abstract
Studies performed previously have indicated that long non-coding RNAs (lncRNAs) may be involved in skeletal muscle regeneration; however, the roles of lncRNAs during the repair of skeletal muscle contusion remain unclear. The present study established a mouse skeletal muscle contusion injury model to identify the roles of lncRNAs that are specifically enriched in the skeletal muscle, namely metastasis-associated lung adenocarcinoma transcript 1 (Malat1), H19, myogenesis-associated lnc (lnc-mg), long intergenic non-protein coding RNAs (linc)-muscle differentiation 1 (linc-MD1), linc-yin yang 1 (linc-YY1) and sirtuin 1-antisense (Sirt1-AS). Morphological analyses revealed that fibrotic scars and regenerating myofibers were formed in the muscle following contusion injury. Gene expression was analyzed by reverse transcription-quantitative polymerase chain reaction. The data revealed that the expression of inflammatory cytokines, myogenic regulatory factors and angiogenic factors increased significantly following skeletal muscle contusion. Additionally, various lncRNAs, including Malat1, H19, lnc-mg, linc-MD1, linc-YY1 and Sirt1-AS were also upregulated. Correlation was also observed between lncRNAs and regulatory factors for skeletal muscle regeneration including transforming growth factor-β1, myogenic differentiation, myogenin, myogenic factor 5 (myf5), myf6, hypoxia-inducible factor-1α and angiopoietin 1. In conclusion, lncRNAs may serve important roles in the regeneration of skeletal muscle following contusion injury, which provides a promising therapy avenue for muscle injury.
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Affiliation(s)
- Lifang Zheng
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, P.R. China
| | - Xiaoguang Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, P.R. China
| | - Peijie Chen
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, P.R. China
| | - Weihua Xiao
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, P.R. China
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18
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Liu X, Zheng L, Zhou Y, Chen Y, Chen P, Xiao W. BMSC Transplantation Aggravates Inflammation, Oxidative Stress, and Fibrosis and Impairs Skeletal Muscle Regeneration. Front Physiol 2019; 10:87. [PMID: 30814953 PMCID: PMC6382023 DOI: 10.3389/fphys.2019.00087] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 01/24/2019] [Indexed: 12/26/2022] Open
Abstract
Skeletal muscle contusion is one of the most common muscle injuries in sports medicine and traumatology. Bone marrow mesenchymal stem cell (BMSC) transplantation has been proposed as a promising strategy to promote skeletal muscle regeneration. However, the roles and underlying mechanisms of BMSCs in the regulation of skeletal muscle regeneration are still not completely clear. Here, we investigated the role of BMSC transplantation after muscle contusion. BMSCs were immediately transplanted into gastrocnemius muscles (GMs) following direct contusion. Comprehensive morphological and genetic analyses were performed after BMSC transplantation. BMSC transplantation exacerbated muscle fibrosis and inflammation, as evidenced by increased leukocyte and macrophage infiltration, increased inflammatory cytokines and chemokines, and increased matrix metalloproteinases. BMSC transplantation also increased muscle oxidative stress. Overall, BMSC transplantation aggravated inflammation, oxidative stress and fibrosis and impaired skeletal muscle regeneration. These results, shed new light on the role of BMSCs in regenerative medicine and indicate that caution is needed in the application of BMSCs for muscle injury.
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Affiliation(s)
- Xiaoguang Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Lifang Zheng
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yongzhan Zhou
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yingjie Chen
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Peijie Chen
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Weihua Xiao
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
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19
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Wang Y, Wehling-Henricks M, Welc SS, Fisher AL, Zuo Q, Tidball JG. Aging of the immune system causes reductions in muscle stem cell populations, promotes their shift to a fibrogenic phenotype, and modulates sarcopenia. FASEB J 2018; 33:1415-1427. [PMID: 30130434 DOI: 10.1096/fj.201800973r] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Aging is associated with diminished muscle mass, reductions in muscle stem cell functions, and increased muscle fibrosis. The immune system, especially macrophages, can have important roles in modulating muscle growth and regeneration, suggesting that the immune system may also have significant influences on muscle aging. Moreover, the immune system experiences changes in function during senescence, suggesting that regulatory interaction between muscle cells and the immune system may also change during aging. In this study, we performed bone marrow transplantations between age-mismatched donor and recipient mice to test the influence of the age of the immune system on muscle aging. Transplantation of young bone marrow cells into old recipients prevented sarcopenia and prevented age-related change in muscle fiber phenotype. Transplantation of old bone marrow cells into young animals reduced satellite cell numbers and promoted satellite cells to switch toward a fibrogenic phenotype. We also demonstrated that conditioned media from young, but not old, bone marrow cells promoted myoblast proliferation in vitro, and we found that factors released by young bone marrow cells were more supportive of myotube differentiation in vitro. Together, our results demonstrate that aging of bone marrow cells promotes the age-related reduction of satellite cell number and function and contributes to sarcopenia.-Wang, Y., Wehling-Henricks, M., Welc, S. S., Fisher, A. L., Zuo, Q., Tidball, J. G. Aging of the immune system causes reductions in muscle stem cell populations, promotes their shift to a fibrogenic phenotype, and modulates sarcopenia.
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Affiliation(s)
- Ying Wang
- Molecular, Cellular, and Integrative Physiology Program, University of California, Los Angeles, Los Angeles, California, USA
| | - Michelle Wehling-Henricks
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, California, USA
| | - Steven S Welc
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, California, USA
| | - Allison L Fisher
- Molecular, Cellular, and Integrative Physiology Program, University of California, Los Angeles, Los Angeles, California, USA
| | - Qun Zuo
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - James G Tidball
- Molecular, Cellular, and Integrative Physiology Program, University of California, Los Angeles, Los Angeles, California, USA.,Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, California, USA.,Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
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20
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Wosczyna MN, Rando TA. A Muscle Stem Cell Support Group: Coordinated Cellular Responses in Muscle Regeneration. Dev Cell 2018; 46:135-143. [PMID: 30016618 PMCID: PMC6075730 DOI: 10.1016/j.devcel.2018.06.018] [Citation(s) in RCA: 202] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 06/12/2018] [Accepted: 06/20/2018] [Indexed: 01/11/2023]
Abstract
Skeletal muscle has an extraordinary regenerative capacity due to the activity of tissue-specific muscle stem cells. Consequently, these cells have received the most attention in studies investigating the cellular processes of skeletal muscle regeneration. However, efficient capacity to rebuild this tissue also depends on additional cells in the local milieu, as disrupting their normal contributions often leads to incomplete regeneration. Here, we review these additional cells that contribute to the regenerative process. Understanding the complex interactions between and among these cell populations has the potential to lead to therapies that will help promote normal skeletal muscle regeneration under conditions in which this process is suboptimal.
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Affiliation(s)
- Michael N Wosczyna
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; Paul F. Glenn Center for the Biology of Aging, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Thomas A Rando
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA; Paul F. Glenn Center for the Biology of Aging, Stanford University School of Medicine, Stanford, CA 94305, USA; Center for Tissue Regeneration, Repair and Restoration, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA 94304, USA.
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21
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Lee H, Roshanravan H, Wang Y, Okamoto K, Ryu J, Shrivastav S, Qu P, Kopp JB. ApoL1 renal risk variants induce aberrant THP-1 monocyte differentiation and increase eicosanoid production via enhanced expression of cyclooxygenase-2. Am J Physiol Renal Physiol 2018; 315:F140-F150. [PMID: 29357411 PMCID: PMC6087794 DOI: 10.1152/ajprenal.00254.2017] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 01/02/2018] [Accepted: 01/08/2018] [Indexed: 01/09/2023] Open
Abstract
Apolipoprotein L1 ( ApoL1) genetic variants are strongly associated with kidney diseases. We investigated the role of ApoL1 variants in monocyte differentiation and eicosanoid production in macrophages, as activated tissue macrophages in kidney might contribute to kidney injury. In human monocyte THP-1 cells, transient overexpression of ApoL1 (G0, G1, G2) by transfection resulted in a 5- to 11-fold increase in CD14 and CD68 gene expression, similar to that seen with phorbol-12-myristate acetate treatment. All ApoL1 variants caused monocytes to differentiate into atypical M1 macrophages with marked increase in M1 markers CD80, TNF, IL1B, and IL6 and modest increase in the M2 marker CD163 compared with control cells. ApoL1-G1 transfection induced additional CD206 and TGFB1 expression, and ApoL1-G2 transfection induced additional CD204 and TGFB1 expression. Gene expression of prostaglandin E2 (PGE2) synthase and thromboxane synthase and both gene and protein expression of cyclooxygenase-2 (COX-2) were increased by ApoL1-G1 and -G2 variants compared with -G0 transfection. Higher levels of PGE2 and thromboxane B2, a stable metabolite of thromboxane A2, and transforming growth factor (TGF)-β1 were released into the supernatant of cultured THP-1 cells transfected with ApoL1-G1 and -G2, but not -G0. The increase in PGE2, thromboxane B2, and TGF-β1 was inhibited by COX-2-specific inhibitor CAY10404 but not by COX-1-specific inhibitor SC-560. These results demonstrate a novel role of ApoL1 variants in the regulation of monocyte differentiation and eicosanoid metabolism, which could modify the immune response and promote inflammatory signaling within the local targeted organs and tissues including the kidney.
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Affiliation(s)
- Hewang Lee
- Institute of Heart and Vessel Diseases, Second Hospital, Dalian Medical University , Dalian , China
- Kidney Disease Section, Kidney Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , Bethesda, Maryland
| | - Hila Roshanravan
- Kidney Disease Section, Kidney Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , Bethesda, Maryland
| | - Ying Wang
- Institute of Heart and Vessel Diseases, Second Hospital, Dalian Medical University , Dalian , China
| | - Koji Okamoto
- Kidney Disease Section, Kidney Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , Bethesda, Maryland
| | - Junghwa Ryu
- Kidney Disease Section, Kidney Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , Bethesda, Maryland
| | - Shashi Shrivastav
- Kidney Disease Section, Kidney Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , Bethesda, Maryland
| | - Peng Qu
- Institute of Heart and Vessel Diseases, Second Hospital, Dalian Medical University , Dalian , China
| | - Jeffrey B Kopp
- Kidney Disease Section, Kidney Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , Bethesda, Maryland
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22
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Lin PS, Cheng RH, Chang MC, Lee JJ, Chang HH, Huang WL, Yeung SY, Chang YC, Jeng JH. TGF-β1 stimulates cyclooxygenase-2 expression and PGE 2 production of human dental pulp cells: Role of ALK5/Smad2 and MEK/ERK signal transduction pathways. J Formos Med Assoc 2017; 116:748-754. [DOI: 10.1016/j.jfma.2017.07.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 07/16/2017] [Accepted: 07/18/2017] [Indexed: 12/18/2022] Open
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23
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Platelet-Rich Plasma Augmentation for Hip Arthroscopy. Arthrosc Tech 2017; 6:e763-e768. [PMID: 28706829 PMCID: PMC5495659 DOI: 10.1016/j.eats.2017.02.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 02/01/2017] [Indexed: 02/03/2023] Open
Abstract
Biological augmentation and therapeutics are being increasingly used in musculoskeletal and orthopaedic care. Platelet-rich plasma (PRP) is produced from centrifugation of peripheral blood, a process that concentrates platelets within autologous plasma. The process of PRP preparation is fundamental in controlling the contents, and it influences its therapeutic potential. Platelets contain alpha granules that store and release a variety of growth factors and other proteins that may augment the healing environment; PRP also has the added benefit of promoting postsurgical hemostasis. The purpose of this report was to detail our institutional preparation protocol and method of administration of PRP during hip arthroscopy.
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24
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Vojnits K, Pan H, Dai X, Sun H, Tong Q, Darabi R, Huard J, Li Y. Functional Neuronal Differentiation of Injury-Induced Muscle-Derived Stem Cell-Like Cells with Therapeutic Implications. Sci Rep 2017; 7:1177. [PMID: 28446779 PMCID: PMC5430871 DOI: 10.1038/s41598-017-01311-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 03/27/2017] [Indexed: 12/23/2022] Open
Abstract
Mammalian skeletal muscles contain a number of heterogeneous cell populations. Our previous study characterized a unique population of myogenic lineage stem cells that can be isolated from adult mammalian skeletal muscles upon injury. These injury-induced muscle-derived stem cell-like cells (iMuSCs) displayed a multipotent state with sensitiveness and strong migration abilities. Here, we report that these iMuSCs have the capability to form neurospheres that represent multiple neural phenotypes. The induced neuronal cells expressed various neuron-specific proteins, their mRNA expression during neuronal differentiation recapitulated embryonic neurogenesis, they generated action potentials, and they formed functional synapses in vitro. Furthermore, the transplantation of iMuSCs or their cell extracts into the muscles of mdx mice (i.e., a mouse model of Duchenne Muscular Dystrophy [DMD]) could restore the morphology of their previously damaged neuromuscular junctions (NMJs), suggesting that the beneficial effects of iMuSCs may not be restricted to cell restoration alone, but also due to their transient paracrine actions. The current study reveals the essential role of iMuSCs in the restoration of NMJs related to injuries and diseases.
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Affiliation(s)
- Kinga Vojnits
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM) at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA.,Department of Pediatric Surgery, University of Texas McGovern Medical School at Houston, Houston, 77030, TX, USA
| | - Haiying Pan
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM) at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA.,Department of Orthopeadic, University of Texas McGovern Medical School at Houston, Houston, 77030, TX, USA
| | - Xiaojing Dai
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM) at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA.,Department of Pediatric Surgery, University of Texas McGovern Medical School at Houston, Houston, 77030, TX, USA
| | - Hao Sun
- Center for Metabolic and Degenerative Disease, The IMM at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA
| | - Qingchun Tong
- Center for Metabolic and Degenerative Disease, The IMM at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA
| | - Radbod Darabi
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM) at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA
| | - Johnny Huard
- Department of Orthopeadic, University of Texas McGovern Medical School at Houston, Houston, 77030, TX, USA.,Center for Sports Regenerative Medicine, Steadman Philippon Research Institute, Vail, CO, USA.,Center for Tissue Engineering and Aging Research, The IMM at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA
| | - Yong Li
- Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM) at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA. .,Department of Pediatric Surgery, University of Texas McGovern Medical School at Houston, Houston, 77030, TX, USA. .,Center for Tissue Engineering and Aging Research, The IMM at the University of Texas Health Science Center at Houston, TX, Houston, 77030, USA.
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25
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Macrophage Depletion Impairs Skeletal Muscle Regeneration: the Roles of Pro-fibrotic Factors, Inflammation, and Oxidative Stress. Inflammation 2017; 39:2016-2028. [PMID: 27605219 DOI: 10.1007/s10753-016-0438-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Muscle contusion is one of the most common muscle injuries in sports medicine. Macrophages play complex roles in the regeneration of skeletal muscle. However, the roles of macrophages, especially the mechanisms involved, in the regeneration of muscle contusion are still not fully understood. We hypothesize that the depletion of macrophages impairs skeletal muscle regeneration and that pro-fibrotic factors, inflammation, and oxidative stress may be involved in the process. To test these hypotheses, we constructed a muscle contusion injury and a macrophage depletion model and followed it up with morphological and gene expression analyses. The data showed that fibrotic scars were formed in the muscle of contusion injury, and they deteriorated in the mice of macrophage depletion. Furthermore, the sizes of regenerating myofibers were significantly reduced by macrophage depletion. Pro-fibrotic factors, inflammatory cytokines, chemokines, and oxidative stress-related enzymes increased significantly after muscle injury. Moreover, the expression of these factors was delayed by macrophage depletion. Most of them were still significantly higher in the later stage of regeneration. These results suggest that macrophage depletion impairs skeletal muscle regeneration and that pro-fibrotic factors, inflammation, and oxidative stress may play important roles in the process.
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26
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Liu X, Liu Y, Zhao L, Zeng Z, Xiao W, Chen P. Macrophage depletion impairs skeletal muscle regeneration: The roles of regulatory factors for muscle regeneration. Cell Biol Int 2017; 41:228-238. [PMID: 27888539 DOI: 10.1002/cbin.10705] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 11/18/2016] [Indexed: 01/28/2023]
Abstract
Though macrophages are essential for skeletal muscle regeneration, which is a complex process, the roles and mechanisms of the macrophages in the process of muscle regeneration are still not fully understood. The objective of this study is to explore the roles of macrophages and the mechanisms involved in the regeneration of injured skeletal muscle. One hundred and twelve C57BL/6 mice were randomly divided into muscle contusion and macrophages depleted groups. Their gastrocnemius muscles were harvested at the time points of 12 h, 1, 3, 5, 7, 14 d post-injury. The changes in skeletal muscle morphology were assessed by hematoxylin and eosin (HE) stain. The gene expression was analyzed by real-time polymerase chain reaction. The data showed that CL-liposomes treatment did affect the expression of myogenic regulatory factors (MyoD, myogenin) after injury. In addition, CL-liposomes treatment decreased the expression of regulatory factors of muscle regeneration (HGF, uPA, COX-2, IGF-1, MGF, FGF6) and increased the expression of inflammatory cytokines (TGF-β1, TNF-α, IL-1β, RANTES) in the late stage of regeneration. Moreover, there were significant correlations between macrophages and some regulatory factors (such as HGF, uPA) for muscle regeneration. These results suggested that macrophages depletion impairs skeletal muscle regeneration and that the regulatory factors for muscle regeneration may play important roles in this process.
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Affiliation(s)
- Xiaoguang Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Yu Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China.,Department of Exercise Science, Shenyang Sport University, Shenyang, 110001, China
| | - Linlin Zhao
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Zhigang Zeng
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Weihua Xiao
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
| | - Peijie Chen
- School of Kinesiology, Shanghai University of Sport, Shanghai, 200438, China
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Vezzoli M, Sciorati C, Campana L, Monno A, Doglio MG, Rigamonti E, Corna G, Touvier T, Castiglioni A, Capobianco A, Mantovani A, Manfredi AA, Garlanda C, Rovere-Querini P. The clearance of cell remnants and the regeneration of the injured muscle depend on soluble pattern recognition receptor PTX3. Mol Med 2016; 22:809-820. [PMID: 27900389 DOI: 10.2119/molmed.2016.00002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2016] [Accepted: 09/29/2016] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE The signals causing the resolution of muscle inflammation are only partially characterized. The long pentraxin PTX3, which modulates leukocyte recruitment and activation, could contribute. METHODS We analysed the expression of ptx3 after muscle injury and verified whether hematopoietic precursors are a source of the protein. The kinetics of regeneration and leukocytes infiltration, the accumulation of cell remnants and anti-histidyl-t-RNA synthetase autoantibodies were compared in wild-type and ptx3-deficient mice. RESULTS Ptx3 expression was up-regulated three-five days after injury and restricted to the extracellular matrix. Cellular debris and leukocytes persisted in the muscle of ptx3-deficient mice for a long time after wild-type animals had healed. ptx3-deficient macrophages expressed receptors involved in apoptotic cell clearance and engulfed dead cells in vitro. Accumulation of cell debris in a pro-inflammatory microenvironment was not sufficient to elicit autoantibodies. CONCLUSION PTX3 generated in response to muscle injury prompts the clearance of debris and the termination of the inflammatory response.
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Affiliation(s)
- Michela Vezzoli
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Clara Sciorati
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Lara Campana
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Antonella Monno
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Maria Giulia Doglio
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Elena Rigamonti
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Gianfranca Corna
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Thierry Touvier
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Alessandra Castiglioni
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Annalisa Capobianco
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy
| | - Alberto Mantovani
- Humanitas Clinical and Research Center, Rozzano, Milano, Italy.,Humanitas University, Rozzano, Milan, Italy
| | - Angelo A Manfredi
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy.,Vita-Salute San Raffaele University, School of Medicine, Milano, Italy
| | | | - Patrizia Rovere-Querini
- Division of Immunology, Transplantation and Infectious Disease, San Raffaele Scientific Institute, Milano, Italy.,Vita-Salute San Raffaele University, School of Medicine, Milano, Italy
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Abreu P, Pinheiro CHJ, Vitzel KF, Vasconcelos DAA, Torres RP, Fortes MS, Marzuca-Nassr GN, Mancini-Filho J, Hirabara SM, Curi R. Contractile function recovery in severely injured gastrocnemius muscle of rats treated with either oleic or linoleic acid. Exp Physiol 2016; 101:1392-1405. [PMID: 27579497 DOI: 10.1113/ep085899] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 08/18/2016] [Indexed: 12/31/2022]
Abstract
NEW FINDINGS What is the central question of this study? Oleic and linoleic acids modulate fibroblast proliferation and myogenic differentiation in vitro. However, their in vivo effects on muscle regeneration have not yet been examined. We investigated the effects of either oleic or linoleic acid on a well-established model of muscle regeneration after severe laceration. What is the main finding and its importance? We found that linoleic acid increases fibrous tissue deposition and impairs muscle regeneration and recovery of contractile function, whereas oleic acid has the opposite effects in severely injured gastrocnemius muscle, suggesting that linoleic acid has a harmful effect and oleic acid a potential therapeutic effect on muscle regeneration. Oleic and linoleic acids control fibroblast proliferation and myogenic differentiation in vitro; however, there was no study in skeletal muscle in vivo. The aim of this study was to evaluate the effects of either oleic or linoleic acid on the fibrous tissue content (collagen deposition) of muscle and recovery of contractile function in rat gastrocnemius muscle after being severely injured by laceration. Rats were supplemented with either oleic or linoleic acid for 4 weeks after laceration [0.44 g (kg body weight)-1 day-1 ]. Muscle injury led to an increase in oleic-to-stearic acid and palmitoleic-to-palmitic acid ratios, suggesting an increase in Δ9 desaturase activity. Increased fibrous tissue deposition and reduced isotonic and tetanic specific forces and resistance to fatigue were observed in the injured muscle. Supplementation with linoleic acid increased the content of eicosadienoic (20:2, n-6) and arachidonic (20:4, n-6) acids, reduced muscle mass and fibre cross-sectional areas, increased fibrous tissue deposition and further reduced the isotonic and tetanic specific forces and resistance to fatigue induced by laceration. Supplementation with oleic acid increased the content of docosahexaenoic acid (22:6, n-3) and abolished the increase in fibrous tissue area and the decrease in isotonic and tetanic specific forces and resistance to fatigue induced by muscle injury. We concluded that supplementation with linoleic acid impairs muscle regeneration and increases fibrous tissue deposition, resulting in impaired recovery of contractile function. Oleic acid supplementation reduced fibrous tissue deposition and improved recovery of contractile function, attenuating the tissue damage caused by muscle injury.
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Affiliation(s)
- Phablo Abreu
- Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Carlos H J Pinheiro
- Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Kaio F Vitzel
- Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | | | - Rosângela P Torres
- Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Marco S Fortes
- Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | | | - Jorge Mancini-Filho
- Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, SP, Brazil
| | - Sandro M Hirabara
- Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil.,Institute of Physical Activity Sciences and Sports, Cruzeiro do Sul University, São Paulo, SP, Brazil
| | - Rui Curi
- Institute of Biomedical Sciences, University of São Paulo, São Paulo, SP, Brazil.
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Tsikopoulos K, Tsikopoulos A, Natsis K. Autologous whole blood or corticosteroid injections for the treatment of epicondylopathy and plantar fasciopathy? A systematic review and meta-analysis of randomized controlled trials. Phys Ther Sport 2016; 22:114-122. [PMID: 27085490 DOI: 10.1016/j.ptsp.2016.02.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Revised: 11/29/2015] [Accepted: 02/16/2016] [Indexed: 01/13/2023]
Abstract
OBJECTIVES To compare the efficacy of autologous whole blood with that of corticosteroid injections on epicondylopathy and plantar fasciopathy. DESIGN Systematic review and meta-analysis. METHODS The databases of PubMed, Web of Science, CENTRAL, and Scopus were searched up to 6th May 2015. Randomized trials comparing the effects of autologous whole blood and corticosteroid injections on epicondylopathy or plantar fasciopathy were included. Trials exploring the efficacy of platelet-rich plasma were excluded. The primary outcome was pain relief. The secondary outcome included the assessment of composite outcomes. All outcomes were assessed at 2-6 (short-term) weeks, 8-13 (intermediate-term) weeks and 24-26 (medium-term) weeks. Quality assessment was performed with the Cochrane risk of bias tool. RESULTS Nine trials were included. For pain relief, there was a statistically significant difference in favour of corticosteroids in the short term (SMD 0.52; 95%CIs 0.18 to 0.86; I2 = 53%; p < 0.01). A statistically significant difference in favour of autologous whole blood was indicated in the medium-term assessment of pain relief on epicondylopathy. CONCLUSIONS Corticosteroids were marginally superior to autologous whole blood in relieving pain on plantar fasciopathy at 2-6 weeks. Autologous whole blood provided significant clinical relief on epicondylopathy at 8-24 weeks. Conclusions were limited by the risk of bias.
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Affiliation(s)
| | - Alexios Tsikopoulos
- School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece
| | - Konstantinos Natsis
- Department of Anatomy, Medical School, Aristotle University of Thessaloniki, Greece
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30
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Customized platelet-rich plasma with transforming growth factor β1 neutralization antibody to reduce fibrosis in skeletal muscle. Biomaterials 2016; 87:147-156. [PMID: 26923362 DOI: 10.1016/j.biomaterials.2016.02.017] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Revised: 02/12/2016] [Accepted: 02/15/2016] [Indexed: 01/18/2023]
Abstract
UNLABELLED The formation of fibrous tissue during the healing of skeletal muscle injuries leads to incomplete recovery of the injured muscle. Platelet-rich-plasma (PRP) contains beneficial growth factors for skeletal muscle repair; however, it also contains deleterious cytokines and growth factors, such as TGF-β1, that can cause fibrosis and inhibit optimal muscle healing. OBJECTIVE To test if neutralizing TGF-β1's action within PRP, through neutralization antibodies, could improve PRP's beneficial effect on skeletal muscle repair. METHODS PRP was isolated from in-bred Fisher rats. TGF-β1 neutralization antibody (Ab) was used to block the TGF-β1 within the PRP prior to injection. The effects of customized PRP (TGF-β1 neutralized PRP) on muscle healing was tested on a cardiotoxin (CTX) induced muscle injury model. RESULTS A significant increase in the numbers of regenerative myofibers was observed in the PRP and customized PRP groups compared to the untreated control. A significant decrease in collagen deposition was observed in customized PRP groups when compared to the control and PRP groups. Significantly enhanced angiogenesis and more Pax-7 positive satellite cells were found in the PRP and customized PRP groups compared to the control group. Macrophage infiltration was increased in the customized PRP groups when compared with the PRP group. More M2 macrophages were recruited to the injury site in the customized PRP groups when compared with the PRP and control groups. CONCLUSION Neutralizing TGF-β1 within PRP significantly promotes muscle regeneration while significantly reducing fibrosis. Not only did the neutralization reduce fibrosis, it enhanced angiogenesis, prolonged satellite cell activation, and recruited a greater number of M2 macrophages to the injury site which also contributed to the efficacy that the customized PRP had on muscle healing.
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31
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Dearth CL, Slivka PF, Stewart SA, Keane TJ, Tay JK, Londono R, Goh Q, Pizza FX, Badylak SF. Inhibition of COX1/2 alters the host response and reduces ECM scaffold mediated constructive tissue remodeling in a rodent model of skeletal muscle injury. Acta Biomater 2016; 31:50-60. [PMID: 26612417 DOI: 10.1016/j.actbio.2015.11.043] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 11/19/2015] [Accepted: 11/19/2015] [Indexed: 12/26/2022]
Abstract
Extracellular matrix (ECM) has been used as a biologic scaffold material to both reinforce the surgical repair of soft tissue and serve as an inductive template to promote a constructive tissue remodeling response. Success of such an approach is dependent on macrophage-mediated degradation and remodeling of the biologic scaffold. Macrophage phenotype during these processes is a predictive factor of the eventual remodeling outcome. ECM scaffolds have been shown to promote an anti-inflammatory or M2-like macrophage phenotype in vitro that includes secretion of downstream products of cycolooxygenases 1 and 2 (COX1/2). The present study investigated the effect of a common COX1/2 inhibitor (Aspirin) on macrophage phenotype and tissue remodeling in a rodent model of ECM scaffold treated skeletal muscle injury. Inhibition of COX1/2 reduced the constructive remodeling response by hindering myogenesis and collagen deposition in the defect area. The inhibited response was correlated with a reduction in M2-like macrophages in the defect area. The effects of Aspirin on macrophage phenotype were corroborated using an established in vitro macrophage model which showed a reduction in both ECM induced prostaglandin secretion and expression of a marker of M2-like macrophages (CD206). These results raise questions regarding the common peri-surgical administration of COX1/2 inhibitors when biologic scaffold materials are used to facilitate muscle repair/regeneration. STATEMENT OF SIGNIFICANCE COX1/2 inhibitors such as nonsteroidal anti-inflammatory drugs (NSAIDs) are routinely administered post-surgically for analgesic purposes. While COX1/2 inhibitors are important in pain management, they have also been shown to delay or diminish the healing process, which calls to question their clinical use for treating musculotendinous injuries. The present study aimed to investigate the influence of a common NSAID, Aspirin, on the constructive remodeling response mediated by an ECM scaffold (UBM) in a rat skeletal muscle injury model. The COX1/2 inhibitor, Aspirin, was found to mitigate the ECM scaffold-mediated constructive remodeling response both in an in vitro co-culture system and an in vivo rat model of skeletal muscle injury. The results presented herein provide data showing that NSAIDs may significantly alter tissue remodeling outcomes when a biomaterial is used in a regenerative medicine/tissue engineering application. Thus, the decision to prescribe NSAIDs to manage the symptoms of inflammation post-ECM scaffold implantation should be carefully considered.
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32
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Torres-Palsa MJ, Koziol MV, Goh Q, Cicinelli PA, Peterson JM, Pizza FX. Expression of intercellular adhesion molecule-1 by myofibers in mdx mice. Muscle Nerve 2015; 52:795-802. [PMID: 25728314 DOI: 10.1002/mus.24626] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2015] [Indexed: 01/13/2023]
Abstract
INTRODUCTION We investigated the extent to which intercellular adhesion molecule-1 (ICAM-1), a critical protein of the inflammatory response, is expressed in skeletal muscles of mdx mice (a murine model of Duchenne muscular dystrophy). METHODS Muscles were collected from control and mdx mice at 2-24 weeks of age and analyzed for ICAM-1 expression by means of Western blot and immunofluorescence. RESULTS Western blot revealed higher expression of ICAM-1 in mdx compared with control muscles through 24 weeks of age. In contrast to control muscles, ICAM-1 was expressed on the membrane of damaged, regenerating, and normal myofibers of mdx mice. CD11b+ myeloid cells also expressed ICAM-1 in mdx muscles, and CD11b+ cells were closely associated with the membrane of myofibers expressing ICAM-1. CONCLUSIONS These findings support a paradigm in which ICAM-1 and its localization to myofibers in muscles of mdx mice contributes to the dystrophic pathology.
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Affiliation(s)
- Maria J Torres-Palsa
- Department of Kinesiology, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio, 43606, USA
| | - Matthew V Koziol
- Department of Kinesiology, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio, 43606, USA
| | - Qingnian Goh
- Department of Kinesiology, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio, 43606, USA
| | - Peter A Cicinelli
- Department of Kinesiology, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio, 43606, USA
| | - Jennifer M Peterson
- Department of Molecular Virology, Immunology, and Medical Genetics, The Ohio State University, Columbus, Ohio, USA
| | - Francis X Pizza
- Department of Kinesiology, The University of Toledo, 2801 W. Bancroft Street, Toledo, Ohio, 43606, USA
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Abstract
INTRODUCTION Every year recreational and professional sports cause thousands of lesions to muscle, ligament and tendon. Critical progress in biological interventions could meet a pressing health need to help athletes resume their activity levels. AREAS COVERED We perform a narrative review on platelet-rich plasma (PRP) therapies and muscle injuries. The field is eminently translational, thus besides clinical data we summarize experimental studies that bring meaningful biological insights on PRP effects. Some concepts regarding healing mechanisms are reviewed including innate immune response, myogenesis and fibrosis. It is commonly thought that PRPs are not uniform and cannot be assessed against each other, thus current PRP classifications are addressed. PRP effects also depend on the characteristics of the host tissue; therefore we focus on clinical muscle injury classifications. Controversial clinical findings are attributed to both the variability in PRP formulations and variability in the application protocols, so we discuss current clinical data in this basis. EXPERT OPINION Currently, there is little clinical evidence to support the use of PRP in skeletal muscle injuries. The future of PRP therapies relies not only in finding the best products, most appropriate indications and application protocols, but also in conceiving combination products. Moreover, as our understanding of healing mechanisms progresses, off-the-shelf allogenic PRP products could be part of the solution for sport injuries.
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Affiliation(s)
- Isabel Andia
- Cruces University Hospital, BioCruces Health Research Institute, Regenerative Medicine Laboratory , Barakaldo 48903 , Spain
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Kelc R, Trapecar M, Gradisnik L, Rupnik MS, Vogrin M. Platelet-rich plasma, especially when combined with a TGF-β inhibitor promotes proliferation, viability and myogenic differentiation of myoblasts in vitro. PLoS One 2015; 10:e0117302. [PMID: 25679956 PMCID: PMC4332503 DOI: 10.1371/journal.pone.0117302] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 12/21/2014] [Indexed: 01/28/2023] Open
Abstract
Regeneration of skeletal muscle after injury is limited by scar formation, slow healing time and a high recurrence rate. A therapy based on platelet-rich plasma (PRP) has become a promising lead for tendon and ligament injuries in recent years, however concerns have been raised that PRP-derived TGF-β could contribute to fibrotic remodelling in skeletal muscle after injury. Due to the lack of scientific grounds for a PRP -based muscle regeneration therapy, we have designed a study using human myogenic progenitors and evaluated the potential of PRP alone and in combination with decorin (a TGF-β inhibitor), to alter myoblast proliferation, metabolic activity, cytokine profile and expression of myogenic regulatory factors (MRFs). Advanced imaging multicolor single-cell analysis enabled us to create a valuable picture on the ratio of quiescent, activated and terminally committed myoblasts in treated versus control cell populations. Finally high-resolution confocal microscopy validated the potential of PRP and decorin to stimulate the formation of polynucleated myotubules. PRP was shown to down-regulate fibrotic cytokines, increase cell viability and proliferation, enhance the expression of MRFs, and contribute to a significant myogenic shift during differentiation. When combined with decorin further synergistc effects were identified. These results suggest that PRP could not only prevent fibrosis but could also stimulate muscle commitment, especially when combined with a TGF-β inhibitor.
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Affiliation(s)
- Robi Kelc
- Department of Orthopaedic Surgery, University Medical Center Maribor, Maribor, Slovenia
- * E-mail:
| | - Martin Trapecar
- Institute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Lidija Gradisnik
- Institute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Marjan Slak Rupnik
- Institute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Matjaz Vogrin
- Department of Orthopaedic Surgery, University Medical Center Maribor, Maribor, Slovenia
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Sodium valproate ameliorates diabetes-induced fibrosis and renal damage by the inhibition of histone deacetylases in diabetic rat. Exp Mol Pathol 2015; 98:230-9. [PMID: 25576297 DOI: 10.1016/j.yexmp.2015.01.003] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 12/24/2014] [Accepted: 01/05/2015] [Indexed: 02/07/2023]
Abstract
Recent reports emphasize the contribution of histone deacetylases (HDACs) in the pathogenesis of diabetic renal injury and fibrosis. Valproic acid (VPA) is a first-line drug used for the treatment of epilepsy and migraine as well as established as a HDAC inhibitor. The present study was aimed to evaluate the anti-fibrotic and renoprotective effects of VPA in diabetic nephropathy (DN). Diabetes was induced by single injection of STZ (50mg/kg), whereas VPA at the doses of 150 and 300mg/kg/day was administered for 8 consecutive weeks by oral route in Sprague Dawley rats. The renal injuries and fibrosis were assessed by histology, fibrosis specific staining and fibroblast activation by a transmission electron microscope, while expression of proteins of interest was evaluated by western blotting and immunohistochemistry. VPA treatment ameliorated the histological alterations as well as fibrosis, and decreased the expression of TGF-β1, CTGF, α-SMA, fibronectin, collagen I, COX-2, ICAM-1 and HDAC4/5/7. Further, VPA treatment significantly increased histone H3 acetylation and MMP-2 expression. The present study clearly established that VPA treatment ameliorates the renal injury and fibrosis in diabetic kidney by preventing the myofibroblast activation and fibrogenesis by HDAC inhibition and associated mechanisms, thereby improving the profibrotic and anti-fibrotic protein balance.
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Domingo-Gonzalez R, Wilke CA, Huang SK, Laouar Y, Brown JP, Freeman CM, Curtis JL, Yanik GA, Moore BB. Transforming growth factor-β induces microRNA-29b to promote murine alveolar macrophage dysfunction after bone marrow transplantation. Am J Physiol Lung Cell Mol Physiol 2014; 308:L86-95. [PMID: 25361568 DOI: 10.1152/ajplung.00283.2014] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Hematopoietic stem cell transplantation (HSCT) is complicated by pulmonary infections that manifest posttransplantation. Despite engraftment, susceptibility to infections persists long after reconstitution. Previous work using a murine bone marrow transplant (BMT) model implicated increased cyclooxygenase-2 (COX-2) and prostaglandin E2 (PGE2) in promoting impaired alveolar macrophage (AM) responses. However, mechanisms driving COX-2 overexpression remained elusive. Previously, transforming growth factor-β (TGF-β) signaling after BMT was shown to promote hypomethylation of the COX-2 gene. Here, we provide mechanistic insight into how this occurs and show that TGF-β induces microRNA (miR)-29b while decreasing DNA methyltransferases (DNMT)1, DNMT3a, and DNMT3b in AMs after BMT. De novo DNMT3a and DNMT3b were decreased upon transient transfection of miR-29b, resulting in decreased methylation of the COX-2 promoter and induction of COX-2. As a consequence, miR-29b-driven upregulation of COX-2 promoted AM dysfunction, and transfection of BMT AMs with a miR-29b inhibitor rescued the bacterial-killing defect. MiR-29b-mediated defects in BMT AMs were dependent on increased levels of PGE2, as miR-29b-transfected AMs treated with a novel E prostanoid receptor 2 antagonist abrogated the impaired bacterial killing. We also demonstrate that patients that have undergone HSCT exhibit increased miR-29b; thus these studies highlight miR-29b in driving defective AM responses and identify this miRNA as a potential therapeutic target.
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Affiliation(s)
| | - Carol A Wilke
- Pulmonary and Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan
| | - Steven K Huang
- Pulmonary and Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan
| | - Yasmina Laouar
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, Michigan; Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Jeanette P Brown
- Research Service, VA Ann Arbor Healthcare System, Ann Arbor, Michigan
| | | | - Jeffrey L Curtis
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, Michigan; Pulmonary and Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan; Medical Service, VA Ann Arbor Healthcare System, Ann Arbor, Michigan
| | - Gregory A Yanik
- Department of Pediatrics, Division of Hematology-Oncology, University of Michigan Medical School, Ann Arbor, Michigan
| | - Bethany B Moore
- Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, Michigan; Pulmonary and Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan; Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan;
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Tang J, Xiong J, Wu T, Tang Z, Ding G, Zhang C, Wang S, Liu Y. Aspirin treatment improved mesenchymal stem cell immunomodulatory properties via the 15d-PGJ2/PPARγ/TGF-β1 pathway. Stem Cells Dev 2014; 23:2093-103. [PMID: 24730450 DOI: 10.1089/scd.2014.0081] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Bone marrow mesenchymal stem cells (BMMSCs) have been used to treat a variety of autoimmune diseases in clinics. However, the therapeutic effects are largely dependent on the immunomodulatory capacity of culture-expanded BMMSCs. In the present study, we show that aspirin (acetylsalicylic acid, ASA)-treated BMMSCs have significantly improved immunomodulatory function, as indicated by upregulation of regulatory T cells (Tregs) and downregulation of Th17 cells via the 15d-PGJ2/PPARγ/TGF-β1 pathway. Furthermore, the therapeutic effect of ASA-pretreated BMMSCs was confirmed in a dextran sodium sulfate-induced experimental colitis mouse model, in which systemic infusion of ASA-pretreated BMMSCs significantly ameliorated disease activity index and colonic inflammation, along with an increased number of Tregs and decreased number of Th17 cells. Taken together, our results suggest that aspirin treatment is a feasible strategy to promote BMMSC-based immunomodulation.
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Affiliation(s)
- Jianxia Tang
- 1 Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology , Beijing, People's Republic of China
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38
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Monto RR. Platelet-rich plasma efficacy versus corticosteroid injection treatment for chronic severe plantar fasciitis. Foot Ankle Int 2014; 35:313-8. [PMID: 24419823 DOI: 10.1177/1071100713519778] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Chronic plantar fasciitis is a common orthopedic condition that can prove difficult to successfully treat. In this study, autologous platelet-rich plasma (PRP), a concentrated bioactive blood component rich in cytokines and growth factors, was compared to traditional cortisone injection in the treatment of chronic cases of plantar fasciitis resistant to traditional nonoperative management. METHODS Forty patients (23 females and 17 males) with unilateral chronic plantar fasciitis that did not respond to a minimum of 4 months of standardized traditional nonoperative treatment modalities were prospectively randomized and treated with either a single ultrasound guided injection of 3 cc PRP or 40 mg DepoMedrol cortisone. American Orthopedic Foot and Ankle Society (AOFAS) hindfoot scoring was completed for all patients immediately prior to PRP or cortisone injection (pretreatment = time 0) and at 3, 6, 12, and 24 months following injection treatment. Baseline pretreatment radiographs and MRI studies were obtained in all cases to confirm the diagnosis of plantar fasciitis. RESULTS The cortisone group had a pretreatment average AOFAS score of 52, which initially improved to 81 at 3 months posttreatment but decreased to 74 at 6 months, then dropped to near baseline levels of 58 at 12 months, and continued to decline to a final score of 56 at 24 months. In contrast, the PRP group started with an average pretreatment AOFAS score of 37, which increased to 95 at 3 months, remained elevated at 94 at 6 and 12 months, and had a final score of 92 at 24 months. CONCLUSIONS PRP was more effective and durable than cortisone injection for the treatment of chronic recalcitrant cases of plantar fasciitis. LEVEL OF EVIDENCE Level I, prospective randomized comparative series.
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Amaya F, Izumi Y, Matsuda M, Sasaki M. Tissue injury and related mediators of pain exacerbation. Curr Neuropharmacol 2014; 11:592-7. [PMID: 24396335 PMCID: PMC3849785 DOI: 10.2174/1570159x11311060003] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Revised: 06/13/2013] [Accepted: 07/12/2013] [Indexed: 01/03/2023] Open
Abstract
Tissue injury and inflammation result in release of various mediators that promote ongoing pain or pain hypersensitivity against mechanical, thermal and chemical stimuli. Pro-nociceptive mediators activate primary afferent neurons directly or indirectly to enhance nociceptive signal transmission to the central nervous system. Excitation of primary afferents by peripherally originating mediators, so-called “peripheral sensitization”, is a hallmark of tissue injury-related pain. Many kinds of pro-nociceptive mediators, including ATP, glutamate, kinins, cytokines and tropic factors, synthesized at the damaged tissue, contribute to the development of peripheral sensitization. In the present review we will discuss the molecular mechanisms of peripheral sensitization following tissue injury.
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Affiliation(s)
- Fumimasa Amaya
- Department of Anesthesiology, Kyoto Prefectural University of Medicine, Kajiicho 465, Kamigyo-Ku, Kyoto 602-8566, Japan
| | - Yuta Izumi
- Department of Anesthesiology, Kyoto Prefectural University of Medicine, Kajiicho 465, Kamigyo-Ku, Kyoto 602-8566, Japan
| | - Megumi Matsuda
- Department of Anesthesiology, Kyoto Prefectural University of Medicine, Kajiicho 465, Kamigyo-Ku, Kyoto 602-8566, Japan
| | - Mika Sasaki
- Department of Anesthesiology, Kyoto Prefectural University of Medicine, Kajiicho 465, Kamigyo-Ku, Kyoto 602-8566, Japan
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40
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Souza JD, Gottfried C. Muscle injury: review of experimental models. J Electromyogr Kinesiol 2013; 23:1253-60. [PMID: 24011855 DOI: 10.1016/j.jelekin.2013.07.009] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 06/03/2013] [Accepted: 07/15/2013] [Indexed: 02/05/2023] Open
Abstract
Skeletal muscle is the most abundant tissue in the human body. Its main characteristic is the capacity to regenerate after injury independent of the cause of injury through a process called inflammatory response. Mechanical injuries are the most common type of the skeletal muscle injuries and are classified into one of three areas strain, contusion, and laceration. First, this review aims to describe and compare the main experimental methods that replicate the mechanical muscle injuries. There are several ways to replicate each kind of mechanical injury; there are, however, specific characteristics that must be taken into account when choosing the most appropriate model for the experiment. Finally, this review discusses the context of mechanical injury considering types, variability of methods, and the ability to reproduce injury models.
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Affiliation(s)
- Jaqueline de Souza
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Institute of Health's Basic Science. Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil; Course of Physical Therapy, Federal University of Pampa, Uruguaiana, RS, Brazil.
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41
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Yoon YS, Lee YJ, Choi JY, Cho MS, Kang JL. Coordinated induction of cyclooxygenase-2/prostaglandin E2 and hepatocyte growth factor by apoptotic cells prevents lung fibrosis. J Leukoc Biol 2013; 94:1037-49. [PMID: 23922381 DOI: 10.1189/jlb.0513255] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Apoptotic cell instillation after bleomycin induces persistent HGF production and protects from pulmonary fibrosis, but the underlying mechanism remains unclear. We investigated immediate and prolonged effects of in vivo instillation of apoptotic cells into bleomycin-stimulated mouse lungs (2 days old) on COX-2 expression in lung tissue and alveolar macrophages and PGE2 production in BALF. Furthermore, functional interaction between these molecules and HGF, following apoptotic cell instillation in a bleomycin-induced lung fibrosis model, was assessed. Apoptotic cell instillation results in enhanced immediate and prolonged expression of COX-2 and PGE2 when compared with those from bleomycin-only-treated mice. Coadministration of the COX-2-selective inhibitor NS398 or the selective PGE2R EP2 inhibitor AH6809 inhibited the increase in HGF production. Inhibition of HGF signaling using PHA-665752 inhibited increases in COX-2 and PGE2. Long-term inhibition of COX-2, PGE2, or HGF reversed the reduction of TGF-β, apoptotic and MPO activities, protein levels, and hydroxyproline contents. Up-regulation of COX-2/PGE2 and HGF through a positive-feedback loop may be an important mechanism whereby apoptotic cell instillation exerts the net results of anti-inflammatory, antiapoptotic, and antifibrotic action.
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Affiliation(s)
- Young-So Yoon
- 1.Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, 911-1 Mok-6-dong, Yangcheon-ku, Seoul 158-056, Korea.
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The growing role of eicosanoids in tissue regeneration, repair, and wound healing. Prostaglandins Other Lipid Mediat 2013; 104-105:130-8. [PMID: 23727457 DOI: 10.1016/j.prostaglandins.2013.05.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2013] [Revised: 04/14/2013] [Accepted: 05/08/2013] [Indexed: 11/21/2022]
Abstract
Tissue repair and regeneration are essential processes in maintaining tissue homeostasis, especially in response to injury or stress. Eicosanoids are ubiquitous mediators of cell proliferation, differentiation, and angiogenesis, all of which are important for tissue growth. Eicosanoids regulate the induction and resolution of inflammation that accompany the tissue response to injury. In this review, we describe how this diverse group of molecules is a key regulator of tissue repair and regeneration in multiple organ systems and biologic contexts.
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Carroll CC, O'Connor DT, Steinmeyer R, Del Mundo JD, McMullan DR, Whitt JA, Ramos JE, Gonzales RJ. The influence of acute resistance exercise on cyclooxygenase-1 and -2 activity and protein levels in human skeletal muscle. Am J Physiol Regul Integr Comp Physiol 2013; 305:R24-30. [PMID: 23637134 DOI: 10.1152/ajpregu.00593.2012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This study evaluated the activity and content of cyclooxygenase (COX)-1 and -2 in response to acute resistance exercise (RE) in human skeletal muscle. Previous work suggests that COX-1, but not COX-2, is the primary COX isoform elevated with resistance exercise in human skeletal muscle. COX activity, however, has not been assessed after resistance exercise in humans. It was hypothesized that RE would increase COX-1 but not COX-2 activity. Muscle biopsies were taken from the vastus lateralis of nine young men (25 ± 1 yr) at baseline (preexercise), 4, and 24 h after a single bout of knee extensor RE (three sets of 10 repetitions at 70% of maximum). Tissue lysate was assayed for COX-1 and COX-2 activity. COX-1 and COX-2 protein levels were measured via Western blot analysis. COX-1 activity increased at 4 h (P < 0.05) compared with preexercise, but returned to baseline at 24 h (PRE: 60 ± 10, 4 h: 106 ± 22, 24 h: 72 ± 8 nmol PGH2·g total protein(-1)·min(-1)). COX-2 activity was elevated at 4 and 24 h after RE (P < 0.05, PRE: 51 ± 7, 4 h: 100 ± 19, 24 h: 98 ± 14 nmol PGH2·g total protein(-1)·min(-1)). The protein level of COX-1 was not altered (P > 0.05) with acute RE. In contrast, COX-2 protein levels were nearly 3-fold greater (P > 0.05) at 4 h and 5-fold greater (P = 0.06) at 24 h, compared with preexercise. In conclusion, COX-1 activity increases transiently with exercise independent of COX-1 protein levels. In contrast, both COX-2 activity and protein levels were elevated with exercise, and this elevation persisted to at least 24 h after RE.
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Affiliation(s)
- Chad C Carroll
- Department of Physiology, Arizona College of Osteopathic Medicine, Midwestern University, Glendale, AZ 85308, USA.
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Trappe TA, Liu SZ. Effects of prostaglandins and COX-inhibiting drugs on skeletal muscle adaptations to exercise. J Appl Physiol (1985) 2013; 115:909-19. [PMID: 23539318 DOI: 10.1152/japplphysiol.00061.2013] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
It has been ∼40 yr since the discovery that PGs are produced by exercising skeletal muscle and since the discovery that inhibition of PG synthesis is the mechanism of action of what are now known as cyclooxygenase (COX)-inhibiting drugs. Since that time, it has been established that PGs are made during and after aerobic and resistance exercise and have a potent paracrine and autocrine effect on muscle metabolism. Consequently, it has also been determined that orally consumed doses of COX inhibitors can profoundly influence muscle PG synthesis, muscle protein metabolism, and numerous other cellular processes that regulate muscle adaptations to exercise loading. Although data from acute human exercise studies, as well as animal and cell-culture data, would predict that regular consumption of a COX inhibitor during exercise training would dampen the typical muscle adaptations, the chronic data do not support this conjecture. From the studies in young and older individuals, lasting from 1.5 to 4 mo, no interfering effects of COX inhibitors on muscle adaptations to resistance-exercise training have been noted. In fact, in older individuals, a substantial enhancement of muscle mass and strength has been observed. The collective findings of the PG/COX-pathway regulation of skeletal muscle responses and adaptations to exercise are compelling. Considering the discoveries in other areas of COX regulation of health and disease, there is certainly an interesting future of investigation in this re-emerging area, especially as it pertains to older individuals and the condition of sarcopenia, as well as exercise training and performance of individuals of all ages.
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Affiliation(s)
- Todd A Trappe
- Human Performance Laboratory, Ball State University, Muncie, Indiana
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Abstract
Operative reconstruction of a torn anterior cruciate ligament (ACL) has become the most broadly accepted treatment. An important, but underreported, outcome of ACL reconstruction is graft failure, which poses a challenge for the orthopedic surgeon. An understanding of the tendon-bone healing and the intra-articular ligamentization process is crucial for orthopedic surgeons to make appropriate graft choices and to be able to initiate optimal rehabilitation protocols after surgical ACL reconstruction. This article focuses on the current understanding of the tendon-to-bone healing process for both autografts and allografts and discusses strategies to biologically augment healing.
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Affiliation(s)
- Bart Muller
- Department of Orthopaedic Surgery, UPMC Center for Sports Medicine, University of Pittsburgh, PA 15213, USA
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Hofbauer M, Muller B, Murawski CD, Karlsson J, Fu FH. Innovation in orthopaedic surgery as it relates to evidence-based practice. Knee Surg Sports Traumatol Arthrosc 2013; 21:511-4. [PMID: 23287893 DOI: 10.1007/s00167-012-2360-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Markworth JF, Cameron-Smith D. Arachidonic acid supplementation enhances in vitro skeletal muscle cell growth via a COX-2-dependent pathway. Am J Physiol Cell Physiol 2013; 304:C56-67. [DOI: 10.1152/ajpcell.00038.2012] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Arachidonic acid (AA) is the metabolic precursor to a diverse range of downstream bioactive lipid mediators. A positive or negative influence of individual eicosanoid species [e.g., prostaglandins (PGs), leukotrienes, and hydroxyeicosatetraenoic acids] has been implicated in skeletal muscle cell growth and development. The collective role of AA-derived metabolites in physiological states of skeletal muscle growth/atrophy remains unclear. The present study aimed to determine the direct effect of free AA supplementation and subsequent eicosanoid biosynthesis on skeletal myocyte growth in vitro . C2C12 (mouse) skeletal myocytes induced to differentiate with supplemental AA exhibited dose-dependent increases in the size, myonuclear content, and protein accretion of developing myotubes, independent of changes in cell density or the rate/extent of myogenic differentiation. Nonselective (indomethacin) or cyclooxygenase 2 (COX-2)-selective (NS-398) nonsteroidal anti-inflammatory drugs blunted basal myogenesis, an effect that was amplified in the presence of supplemental free AA substrate. The stimulatory effects of AA persisted in preexisting myotubes via a COX-2-dependent (NS-389-sensitive) pathway, specifically implying dependency on downstream PG biosynthesis. AA-stimulated growth was associated with markedly increased secretion of PGF2α and PGE2; however, incubation of myocytes with PG-rich conditioned medium failed to mimic the effects of direct AA supplementation. In vitro AA supplementation stimulates PG release and skeletal muscle cell hypertrophy via a COX-2-dependent pathway.
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Affiliation(s)
- James F. Markworth
- School of Exercise and Nutrition Science, Deakin University, Melbourne, Australia; and
- Liggins Institute, University of Auckland, Auckland, New Zealand
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48
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Andres-Mateos E, Mejias R, Soleimani A, Lin BM, Burks TN, Marx R, Lin B, Zellars RC, Zhang Y, Huso DL, Marr TG, Leinwand LA, Merriman DK, Cohn RD. Impaired skeletal muscle regeneration in the absence of fibrosis during hibernation in 13-lined ground squirrels. PLoS One 2012; 7:e48884. [PMID: 23155423 PMCID: PMC3498346 DOI: 10.1371/journal.pone.0048884] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2012] [Accepted: 10/02/2012] [Indexed: 02/06/2023] Open
Abstract
Skeletal muscle atrophy can occur as a consequence of immobilization and/or starvation in the majority of vertebrates studied. In contrast, hibernating mammals are protected against the loss of muscle mass despite long periods of inactivity and lack of food intake. Resident muscle-specific stem cells (satellite cells) are known to be activated by muscle injury and their activation contributes to the regeneration of muscle, but whether satellite cells play a role in hibernation is unknown. In the hibernating 13-lined ground squirrel we show that muscles ablated of satellite cells were still protected against atrophy, demonstrating that satellite cells are not involved in the maintenance of skeletal muscle during hibernation. Additionally, hibernating skeletal muscle showed extremely slow regeneration in response to injury, due to repression of satellite cell activation and myoblast differentiation caused by a fine-tuned interplay of p21, myostatin, MAPK, and Wnt signaling pathways. Interestingly, despite long periods of inflammation and lack of efficient regeneration, injured skeletal muscle from hibernating animals did not develop fibrosis and was capable of complete recovery when animals emerged naturally from hibernation. We propose that hibernating squirrels represent a new model system that permits evaluation of impaired skeletal muscle remodeling in the absence of formation of tissue fibrosis.
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Affiliation(s)
- Eva Andres-Mateos
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Rebeca Mejias
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Arshia Soleimani
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Brian M. Lin
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Tyesha N. Burks
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Ruth Marx
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Benjamin Lin
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Richard C. Zellars
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America
| | - Yonggang Zhang
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland, United States of America
| | - David L. Huso
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Tom G. Marr
- Hiberna Corporation, Boulder, Colorado, United States of America
| | - Leslie A. Leinwand
- Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, Colorado, United States of America
| | - Dana K. Merriman
- Department of Biology and Microbiology, University of Wisconsin, Oshkosh, Wisconsin, United States of America
| | - Ronald D. Cohn
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
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Low SA, Kopeček J. Targeting polymer therapeutics to bone. Adv Drug Deliv Rev 2012; 64:1189-204. [PMID: 22316530 DOI: 10.1016/j.addr.2012.01.012] [Citation(s) in RCA: 115] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Revised: 01/16/2012] [Accepted: 01/18/2012] [Indexed: 12/13/2022]
Abstract
An aging population in the developing world has led to an increase in musculoskeletal diseases such as osteoporosis and bone metastases. Left untreated many bone diseases cause debilitating pain and in the case of cancer, death. Many potential drugs are effective in treating diseases but result in side effects preventing their efficacy in the clinic. Bone, however, provides a unique environment of inorganic solids, which can be exploited in order to effectively target drugs to diseased tissue. By integration of bone targeting moieties to drug-carrying water-soluble polymers, the payload to diseased area can be increased while side effects decreased. The realization of clinically relevant bone targeted polymer therapeutics depends on (1) understanding bone targeting moiety interactions, (2) development of controlled drug delivery systems, as well as (3) understanding drug interactions. The latter makes it possible to develop bone targeted synergistic drug delivery systems.
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Affiliation(s)
- Stewart A Low
- Department of Bioengineering, University of Utah, Salt Lake City, UT 84112, USA
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De La Mata J. Platelet rich plasma. A new treatment tool for the rheumatologist? ACTA ACUST UNITED AC 2012; 9:166-71. [PMID: 22902984 DOI: 10.1016/j.reuma.2012.05.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 05/14/2012] [Accepted: 05/23/2012] [Indexed: 01/26/2023]
Abstract
Platelet Rich Plasma (PRP) is a novel therapeutic tool that has revolutionized the world of sports medicine and trauma due to therapeutic success shown in the media. Subject to ongoing debate, the PRP is outlined along a spectrum of musculoskeletal therapies with many qualities that make it ideal for use in the rheumatology: effectiveness, safety, easy handling and low cost. Is PRP a product of marketing? Or, conversely, is an interesting tool to consider in the armamentarium of the rheumatologist. In the following review we will analyze in detail its principles, preparation, and management regimes. We will reflect on potential adverse effects and, finally, there will be a critical analysis of the scientific evidence that supports its potential use in the rheumatology clinic.
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Affiliation(s)
- José De La Mata
- Servicio de Reumatología, Clínica Nuestra Señora del Valle, Madrid, España.
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