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Zelus EI, Panduro A, Deshmukh I, Grime J, Alperin M, Vahabzadeh-Hagh AM, Christman KL. Immunomodulatory extracellular matrix hydrogel induces tissue regeneration in a model of partial glossectomy. Bioact Mater 2024; 38:528-539. [PMID: 38803824 PMCID: PMC11128682 DOI: 10.1016/j.bioactmat.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 05/01/2024] [Accepted: 05/01/2024] [Indexed: 05/29/2024] Open
Abstract
While oropharyngeal cancer treatment regimens, including surgical resection, irradiation, and chemotherapy, are effective at removing tumors, they lead to muscle atrophy, denervation, and fibrosis, contributing to the pathogenesis of oropharyngeal dysphagia - difficulty swallowing. Current standard of care of rehabilitative tongue strengthening and swallowing exercises is ineffective. Here, we evaluate an alternative approach utilizing an acellular and injectable biomaterial to preserve muscle content and reduce fibrosis of the tongue after injury. Skeletal muscle extracellular matrix (SKM) hydrogel is fabricated from decellularized porcine skeletal muscle tissue. A partial glossectomy injury in the rat is used to induce tongue fibrosis, and SKM hydrogels along with saline controls are injected into the site of scarring two weeks after injury. Tissues are harvested at 3 and 7 days post-injection for gene expression and immunohistochemical analyses, and at 4 weeks post-injection to evaluate histomorphological properties. SKM hydrogel reduces scar formation and improves muscle regeneration at the site of injury compared to saline. SKM additionally modulates the immune response towards an anti-inflammatory phenotype. This study demonstrates the immunomodulatory and tissue-regenerative capacity of an acellular and minimally invasive ECM hydrogel in a rodent model of tongue injury.
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Affiliation(s)
- Emma I. Zelus
- Shu Chien-Gene Lay Department of Bioengineering, UC San Diego, 9500 Gilman Dr. MC 0412, La Jolla, CA, 92093-0412, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Aaron Panduro
- Shu Chien-Gene Lay Department of Bioengineering, UC San Diego, 9500 Gilman Dr. MC 0412, La Jolla, CA, 92093-0412, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Isha Deshmukh
- Shu Chien-Gene Lay Department of Bioengineering, UC San Diego, 9500 Gilman Dr. MC 0412, La Jolla, CA, 92093-0412, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Jacqueline Grime
- Shu Chien-Gene Lay Department of Bioengineering, UC San Diego, 9500 Gilman Dr. MC 0412, La Jolla, CA, 92093-0412, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Marianna Alperin
- Department of Obstetrics, Gynecology, and Reproductive Sciences, Division of Female Pelvic Medicine and Reconstructive Surgery, UC San Diego School of Medicine, 9300 Campus Point, MC 7433, La Jolla, CA, 92037-7433, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Andrew M. Vahabzadeh-Hagh
- Department of Otolaryngology – Head & Neck Surgery, UC San Diego School of Medicine, 9300 Campus Point, MC 7400, La Jolla, CA, 92037-7400, USA
| | - Karen L. Christman
- Shu Chien-Gene Lay Department of Bioengineering, UC San Diego, 9500 Gilman Dr. MC 0412, La Jolla, CA, 92093-0412, USA
- Sanford Consortium for Regenerative Medicine, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
- Sanford Stem Cell Institute, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
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2
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Kim TS, Moutsopoulos NM. Neutrophils and neutrophil extracellular traps in oral health and disease. Exp Mol Med 2024; 56:1055-1065. [PMID: 38689085 DOI: 10.1038/s12276-024-01219-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/20/2024] [Accepted: 02/20/2024] [Indexed: 05/02/2024] Open
Abstract
Neutrophils perform essential functions in antimicrobial defense and tissue maintenance at mucosal barriers. However, a dysregulated neutrophil response and, in particular, the excessive release of neutrophil extracellular traps (NETs) are implicated in the pathology of various diseases. In this review, we provide an overview of the basic concepts related to neutrophil functions, including NET formation, and discuss the mechanisms associated with NET activation and function in the context of the prevalent oral disease periodontitis.
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Affiliation(s)
- Tae Sung Kim
- Oral Immunity and Infection Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, 20892, USA.
| | - Niki M Moutsopoulos
- Oral Immunity and Infection Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, 20892, USA
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3
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Barakat N, Jangir H, Gallo L, Grillo M, Guo X, Hickman J. Inhibition of Metalloproteinases Extends Longevity and Function of In Vitro Human iPSC-Derived Skeletal Muscle. Biomedicines 2024; 12:856. [PMID: 38672210 PMCID: PMC11047953 DOI: 10.3390/biomedicines12040856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
In vitro culture longevity has long been a concern for disease modeling and drug testing when using contractable cells. The dynamic nature of certain cells, such as skeletal muscle, contributes to cell surface release, which limits the system's ability to conduct long-term studies. This study hypothesized that regulating the extracellular matrix (ECM) dynamics should be able to prolong cell attachment on a culture surface. Human induced pluripotent stem cell (iPSC)-derived skeletal muscle (SKM) culture was utilized to test this hypothesis due to its forceful contractions in mature muscle culture, which can cause cell detachment. By specifically inhibiting matrix metalloproteinases (MMPs) that work to digest components of the ECM, it was shown that the SKM culture remained adhered for longer periods of time, up to 80 days. Functional testing of myofibers indicated that cells treated with the MMP inhibitors, tempol, and doxycycline, displayed a significantly reduced fatigue index, although the fidelity was not affected, while those treated with the MMP inducer, PMA, indicated a premature detachment and increased fatigue index. The MMP-modulating activity by the inhibitors and inducer was further validated by gel zymography analysis, where the MMP inhibitor showed minimally active MMPs, while the inducer-treated cells indicated high MMP activity. These data support the hypotheses that regulating the ECM dynamics can help maximize in vitro myotube longevity. This proof-of-principle strategy would benefit the modeling of diseases that require a long time to develop and the evaluation of chronic effects of potential therapeutics.
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Affiliation(s)
- Natali Barakat
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA; (N.B.); (H.J.); (L.G.); (M.G.); (X.G.)
- Department of Chemistry, University of Central Florida, Orlando, FL 32828, USA
| | - Himanshi Jangir
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA; (N.B.); (H.J.); (L.G.); (M.G.); (X.G.)
| | - Leandro Gallo
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA; (N.B.); (H.J.); (L.G.); (M.G.); (X.G.)
| | - Marcella Grillo
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA; (N.B.); (H.J.); (L.G.); (M.G.); (X.G.)
| | - Xiufang Guo
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA; (N.B.); (H.J.); (L.G.); (M.G.); (X.G.)
| | - James Hickman
- NanoScience Technology Center, University of Central Florida, 12424 Research Parkway, Suite 400, Orlando, FL 32826, USA; (N.B.); (H.J.); (L.G.); (M.G.); (X.G.)
- Department of Chemistry, University of Central Florida, Orlando, FL 32828, USA
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Mukherjee A, Das B. The role of inflammatory mediators and matrix metalloproteinases (MMPs) in the progression of osteoarthritis. BIOMATERIALS AND BIOSYSTEMS 2024; 13:100090. [PMID: 38440290 PMCID: PMC10910010 DOI: 10.1016/j.bbiosy.2024.100090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/04/2023] [Accepted: 02/20/2024] [Indexed: 03/06/2024] Open
Abstract
Osteoarthritis (OA) is a chronic musculoskeletal disorder characterized by an imbalance between (synthesis) and catabolism (degradation) in altered homeostasis of articular cartilage mediated primarily by the innate immune system. OA degenerates the joints resulting in synovial hyperplasia, degradation of articular cartilage with damage of the structural and functional integrity of the cartilage extracellular matrix, subchondral sclerosis, osteophyte formation, and is characterized by chronic pain, stiffness, and loss of function. Inflammation triggered by factors like biomechanical stress is involved in the development of osteoarthritis. In OA apart from catabolic effects, anti-inflammatory anabolic processes also occur continually. There is also an underlying chronic inflammation present, not only in cartilage tissue but also within the synovium, which perpetuates tissue destruction of the OA joint. The consideration of inflammation in OA considers synovitis and/or other cellular and molecular events in the synovium during the progression of OA. In this review, we have presented the progression of joint degradation that results in OA. The critical role of inflammation in the pathogenesis of OA is discussed in detail along with the dysregulation within the cytokine networks composed of inflammatory and anti-inflammatory cytokines that drive catabolic pathways, inhibit matrix synthesis, and promote cellular apoptosis. OA pathogenesis, fluctuation of synovitis, and its clinical impact on disease progression are presented here along with the role of synovial macrophages in promoting inflammatory and destructive responses in OA. The role of interplay between different cytokines, structure, and function of their receptors in the inter-cellular signaling pathway is further explored. The effect of cytokines in the increased synthesis and release of matrix-decomposing proteolytic enzymes, such as matrix metalloproteinase (MMPs) and a disintegrin-like and metalloproteinase with thrombospondin motif (ADAMTS), is elaborated emphasizing the potential impact of MMPs on the chondrocytes, synovial cells, articular and periarticular tissues, and other immune system cells migrating to the site of inflammation. We also shed light on the pathogenesis of OA via oxidative damage particularly due to nitric oxide (NO) via its angiogenic response to inflammation. We concluded by presenting the current knowledge about the tissue inhibitors of metalloproteinases (TIMPs). Synthetic MMP inhibitors include zinc binding group (ZBG), non-ZBG, and mechanism-based inhibitors, all of which have the potential to be therapeutically beneficial in the treatment of osteoarthritis. Improving our understanding of the signaling pathways and molecular mechanisms that regulate the MMP gene expression, may open up new avenues for the creation of therapies that can stop the joint damage associated with OA.
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Affiliation(s)
- Anwesha Mukherjee
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, India
| | - Bodhisatwa Das
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, India
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Qi B, Li Y, Peng Z, Luo Z, Zhang X, Chen J, Li G, Sun Y. Macrophage-Myofibroblast Transition as a Potential Origin for Skeletal Muscle Fibrosis After Injury via Complement System Activation. J Inflamm Res 2024; 17:1083-1094. [PMID: 38384372 PMCID: PMC10880461 DOI: 10.2147/jir.s450599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 02/14/2024] [Indexed: 02/23/2024] Open
Abstract
Background Acute skeletal muscle injury is common in sports. The injured muscle cannot fully recover due to fibrosis resulting from myofibroblasts. Understanding the origin of fibroblasts is, therefore, important for the development of anti-fibrotic therapies. Accumulating evidence shows that a mechanism called macrophage-myofibroblast transition (MMT) can lead to tissue or organ fibrosis, yet it is still unclear whether MMT exists in skeletal muscle and the exact mechanisms. Methods Single-cell transcriptome of mice skeletal muscle after acute injury was analyzed with a specific attention on the process of MMT. Cell-cell interaction network, pseudotime trajectory analysis, Gene Ontology (GO), and Kyoto Genome Encyclopedia (KEGG) were conducted. A series of experiments in vivo and in vitro were launched for verification. Results Single cell transcriptomic analysis indicated that, following acute injury, there were much interactions between macrophages and myofibroblasts. A detailed analysis on macrophages indicated that, CD68+α-SMA+ cells, which represented the status of MMT, mainly appeared at five days post-injury. KEGG/GO analysis underlined the involvement of complement system, within which C3ar1, C1qa, C1qb, and C1qc were up-regulated. Trajectory analysis also confirmed a potential shift from macrophages to myofibroblasts. These findings were verified by histological study in mice skeletal muscle, that there were much MMT cells at five days, declined gradually, and vanished 14 days after trauma, when there was remarkable fibrosis formation within the injured muscle. Moreover, C3a stimulation could directly induce MMT in BMDMs. Conclusion Fibrosis following acute injury is disastrous to skeletal muscle, but the origin of myofibroblasts remains unclear. We proved that, following acute injury, macrophage-myofibroblast transition happened in skeletal muscle, which may contribute to fibrosis formation. This phenomenon mainly occurred at five days post-injury. The complement system can activate MMT. More evidence is needed to directly support the pro-fibrotic role of MMT in skeletal muscle fibrosis after acute injury.
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Affiliation(s)
- Beijie Qi
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, People’s Republic of China
| | - Yuqi Li
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Zhen Peng
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Zhiwen Luo
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, People’s Republic of China
| | - Xingyu Zhang
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Jiwu Chen
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Guoqi Li
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
| | - Yaying Sun
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
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Pejšková L, Rønning SB, Kent MP, Solberg NT, Høst V, Thu-Hien T, Wold JP, Lunde M, Mosleth E, Pisconti A, Kolset SO, Carlson CR, Pedersen ME. Characterization of wooden breast myopathy: a focus on syndecans and ECM remodeling. Front Physiol 2023; 14:1301804. [PMID: 38130476 PMCID: PMC10737271 DOI: 10.3389/fphys.2023.1301804] [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: 09/25/2023] [Accepted: 11/06/2023] [Indexed: 12/23/2023] Open
Abstract
Introduction: The skeletal muscle deformity of commercial chickens (Gallus gallus), known as the wooden breast (WB), is associated with fibrotic myopathy of unknown etiology. For future breeding strategies and genetic improvements, it is essential to identify the molecular mechanisms underlying the phenotype. The pathophysiological hallmarks of WB include severe skeletal muscle fibrosis, inflammation, myofiber necrosis, and multifocal degeneration of muscle tissue. The transmembrane proteoglycans syndecans have a wide spectrum of biological functions and are master regulators of tissue homeostasis. They are upregulated and shed (cleaved) as a regulatory mechanism during tissue repair and regeneration. During the last decades, it has become clear that the syndecan family also has critical functions in skeletal muscle growth, however, their potential involvement in WB pathogenesis is unknown. Methods: In this study, we have categorized four groups of WB myopathy in broiler chickens and performed a comprehensive characterization of the molecular and histological profiles of two of them, with a special focus on the role of the syndecans and remodeling of the extracellular matrix (ECM). Results and discussion: Our findings reveal differential expression and shedding of the four syndecan family members and increased matrix metalloproteinase activity. Additionally, we identified alterations in key signaling pathways such as MAPK, AKT, and Wnt. Our work provides novel insights into a deeper understanding of WB pathogenesis and suggests potential therapeutic targets for this condition.
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Affiliation(s)
| | | | - Matthew Peter Kent
- Center for Integrative Genetics, Department of Animal and Aquacultural Sciences, Faculty of Biosciences (BIOVIT), Norwegian University of Life Sciences (NMBU), Ås, Norway
| | | | - Vibeke Høst
- Raw Materials and Optimization, Nofima AS, Ås, Norway
| | - To Thu-Hien
- Center for Integrative Genetics, Department of Animal and Aquacultural Sciences, Faculty of Biosciences (BIOVIT), Norwegian University of Life Sciences (NMBU), Ås, Norway
| | | | - Marianne Lunde
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Ellen Mosleth
- Raw Materials and Optimization, Nofima AS, Ås, Norway
| | | | - Svein Olav Kolset
- Department of Nutrition, Institute of Basic Medical Science, University of Oslo, Oslo, Norway
| | - Cathrine Rein Carlson
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway
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Loomis T, Smith LR. Thrown for a loop: fibro-adipogenic progenitors in skeletal muscle fibrosis. Am J Physiol Cell Physiol 2023; 325:C895-C906. [PMID: 37602412 DOI: 10.1152/ajpcell.00245.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/10/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023]
Abstract
Fibro-adipogenic progenitors (FAPs) are key regulators of skeletal muscle regeneration and homeostasis. However, dysregulation of these cells leads to fibro-fatty infiltration across various muscle diseases. FAPs are the key source of extracellular matrix (ECM) deposition in muscle, and disruption to this process leads to a pathological accumulation of ECM, known as fibrosis. The replacement of contractile tissue with fibrotic ECM functionally impairs the muscle and increases muscle stiffness. FAPs and fibrotic muscle form a progressively degenerative feedback loop where, as a muscle becomes fibrotic, it induces a fibrotic FAP phenotype leading to further development of fibrosis. In this review, we summarize FAPs' role in fibrosis in terms of their activation, heterogeneity, contributions to fibrotic degeneration, and role across musculoskeletal diseases. We also discuss current research on potential therapeutic avenues to attenuate fibrosis by targeting FAPs.
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Affiliation(s)
- Taryn Loomis
- Biomedical Engineering Graduate Group, University of California, Davis, California, United States
| | - Lucas R Smith
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, California, United States
- Department of Physical Medicine and Rehabilitation, University of California, Davis, California, United States
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8
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Picca A, Lozanoska-Ochser B, Calvani R, Coelho-Júnior HJ, Leewenburgh C, Marzetti E. Inflammatory, mitochondrial, and senescence-related markers: Underlying biological pathways of muscle aging and new therapeutic targets. Exp Gerontol 2023; 178:112204. [PMID: 37169101 DOI: 10.1016/j.exger.2023.112204] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 05/13/2023]
Abstract
The maintenance of functional health is pivotal for achieving independent life in older age. The aged muscle is characterized by ultrastructural changes, including loss of type I and type II myofibers and a greater proportion of cytochrome c oxidase deficient and succinate dehydrogenase positive fibers. Both intrinsic (e.g., altered proteostasis, DNA damage, and mitochondrial dysfunction) and extrinsic factors (e.g., denervation, altered metabolic regulation, declines in satellite cells, and inflammation) contribute to muscle aging. Being a hub for several cellular activities, mitochondria are key to myocyte viability and mitochondrial dysfunction has been implicated in age-associated physical decline. The maintenance of functional organelles via mitochondrial quality control (MQC) processes is, therefore, crucial to skeletal myofiber viability and organismal health. The autophagy-lysosome pathway has emerged as a critical step of MQC in muscle by disposing organelles and proteins via their tagging for autophagosome incorporation and delivery to the lysosome for clearance. This pathway was found to be altered in muscle of physically inactive older adults. A relationship between this pathway and muscle tissue composition of the lower extremities as well as physical performance was also identified. Therefore, integrating muscle structure and myocyte quality control measures in the evaluation of muscle health may be a promising strategy for devising interventions fostering muscle health.
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Affiliation(s)
- Anna Picca
- Department of Medicine and Surgery, LUM University, Casamassima, 70100 Bari, Italy; Fondazione Policlinico Universitario "Agostino Gemelli" IRCSS, 00168 Rome, Italy
| | - Biliana Lozanoska-Ochser
- Department of Medicine and Surgery, LUM University, Casamassima, 70100 Bari, Italy; DAHFMO Unit of Histology and Medical Embryology, Sapienza University of Rome, 00161 Rome, Italy
| | - Riccardo Calvani
- Fondazione Policlinico Universitario "Agostino Gemelli" IRCSS, 00168 Rome, Italy; Department of Geriatrics and Orthopedics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy.
| | - Hélio José Coelho-Júnior
- Department of Geriatrics and Orthopedics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | | | - Emanuele Marzetti
- Fondazione Policlinico Universitario "Agostino Gemelli" IRCSS, 00168 Rome, Italy; Department of Geriatrics and Orthopedics, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
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Godwin JS, Sexton CL, Kontos NJ, Ruple BA, Willoughby DS, Young KC, Mobley CB, Roberts MD. Extracellular matrix content and remodeling markers do not differ in college-aged men classified as higher and lower responders to resistance training. J Appl Physiol (1985) 2023; 134:731-741. [PMID: 36759158 DOI: 10.1152/japplphysiol.00596.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
Abstract
We determined if skeletal muscle extracellular matrix (ECM) content and remodeling markers adapted with resistance training or were associated with hypertrophic outcomes. Thirty-eight untrained males (21 ± 3 yr) participated in whole body resistance training (10 wk, 2 × weekly). Participants completed testing [ultrasound, peripheral quantitative computed tomography (pQCT)] and donated a vastus lateralis (VL) biopsy 1 wk before training and 72 h following the last training bout. Higher responders (HR, n = 10) and lower responders (LR, n = 10) were stratified based on a composite score considering changes in pQCT-derived mid-thigh cross-sectional area (mCSA), ultrasound-derived VL thickness, and mean fiber cross-sectional area (fCSA). In all participants, training reduced matrix metalloprotease (MMP)-14 protein (P < 0.001) and increased satellite cell abundance (P < 0.001); however, VL fascial thickness, ECM protein content per myofiber, MMP-2/-9 protein content, tissue inhibitor of metalloproteinase (TIMP)-1/-2 protein content, collagen-1/-4 protein content, macrophage abundance, or fibroadipogenic progenitor cell abundance were not altered. Regarding responder analysis, MMP-14 exhibited an interaction (P = 0.007), and post hoc analysis revealed higher protein content in HR versus LR before training (P = 0.026) and a significant decrease from pre to posttraining in HR only (P = 0.002). In summary, basal skeletal muscle ECM markers are minimally affected with 10 wk of resistance training, and these findings could be related to not capturing more dynamic alterations in the assayed markers earlier in training. However, the downregulation in MMP-14 in college-aged men classified as HR is a novel finding and warrants continued investigation, and further research is needed to delineate muscle connective tissue strength attributes between HR and LR.NEW & NOTEWORTHY Although past studies have examined aspects of extracellular matrix remodeling in relation to mechanical overload or resistance training, this study serves to expand our knowledge on a multitude of extracellular matrix markers and whether these markers adapt to resistance training or are associated with differential hypertrophic responses.
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Affiliation(s)
- Joshua S Godwin
- School of Kinesiology, Auburn University, Auburn, Alabama, United States
| | - Casey L Sexton
- School of Kinesiology, Auburn University, Auburn, Alabama, United States
| | - Nicholas J Kontos
- School of Kinesiology, Auburn University, Auburn, Alabama, United States
| | - Bradley A Ruple
- School of Kinesiology, Auburn University, Auburn, Alabama, United States
| | - Darryn S Willoughby
- School of Exercise and Sport Science, University of Mary Hardin-Baylor, Belton, Texas, United States
| | - Kaelin C Young
- Biomedical Sciences, Pacific Northwest University of Health Sciences, Yakima, Washington, United States
| | - C Brooks Mobley
- School of Kinesiology, Auburn University, Auburn, Alabama, United States
| | - Michael D Roberts
- School of Kinesiology, Auburn University, Auburn, Alabama, United States.,Edward Via College of Osteopathic Medicine, Auburn, Alabama, United States
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10
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Goncharuk O, Savosko S, Tykhomyrov A, Guzyk M, Medvediev V, Tsymbaliuk V, Chaikovsky Y. Matrix Metalloproteinase-9 is Involved in the Fibrotic Process in Denervated Muscles after Sciatic Nerve Trauma and Recovery. J Neurol Surg A Cent Eur Neurosurg 2023; 84:116-122. [PMID: 34496416 DOI: 10.1055/s-0041-1731750] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Fibrosis of the injured muscles is a problem of recovery from trauma and denervation. The aim of the work was to investigate the interconnection of matrix metalloproteinase-9 (ММР-9) activity in denervated muscles with fibrosis and to estimate its role in nerve restoration by the epineurial suture, fibrin-based glue, and polyethylene glycol hydrogel. The activity of matrix metalloproteinases was estimated by gelatin zymography. Collagen density in muscles was determined histochemically. An increased level of the active MMP-9 is associated with the fibrous changes in the denervated skeletal muscles and after an epineurial suture. The use of fibrin glue and polyethylene glycol hydrogel resulted in a lower level of collagen and ММР-9 activity, which may be a therapeutic target in the treatment of neuromuscular lesions, and has value in fibrosis analysis following microsurgical intervention for peripheral nerve reconstruction.
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Affiliation(s)
- Oleksii Goncharuk
- Department of Neurosurgery, Bogomolets National Medical University, Kyiv, Ukraine
| | - Serhii Savosko
- Department of Histology and Embryology, Bogomolets National Medical University, Kyiv, Ukraine
| | - Artem Tykhomyrov
- Department of Neurosurgery, Palladin Institute of Biochemistry of the National Academy of Sciences of Ukraine (NASU), Kyiv, Ukraine
| | - Mykhailo Guzyk
- Department of Neurosurgery, Palladin Institute of Biochemistry of the National Academy of Sciences of Ukraine (NASU), Kyiv, Ukraine
| | - Volodymyr Medvediev
- Department of Neurosurgery, Bogomolets National Medical University, Kyiv, Ukraine
| | - Vitaliy Tsymbaliuk
- Department of Neurosurgery, Bogomolets National Medical University, Kyiv, Ukraine
| | - Yuri Chaikovsky
- Department of Histology and Embryology, Bogomolets National Medical University, Kyiv, Ukraine
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11
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Muraine L, Bensalah M, Butler-Browne G, Bigot A, Trollet C, Mouly V, Negroni E. Update on anti-fibrotic pharmacotherapies in skeletal muscle disease. Curr Opin Pharmacol 2023; 68:102332. [PMID: 36566666 DOI: 10.1016/j.coph.2022.102332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 12/24/2022]
Abstract
Fibrosis, defined as an excessive accumulation of extracellular matrix, is the end point of a defective regenerative process, unresolved inflammation and/or chronic damage. Numerous muscle disorders (MD) are characterized by high levels of fibrosis associated with muscle wasting and weakness. Fibrosis alters muscle homeostasis/regeneration and fiber environment and may interfere with gene and cell therapies. Slowing down or reversing fibrosis is a crucial therapeutic goal to maintain muscle identity in the context of therapies. Several pathways are implicated in the modulation of the fibrotic progression and multiple therapeutic compounds targeting fibrogenic signals have been tested in MDs, mostly in the context of Duchenne Muscular Dystrophy. In this review, we present an up-to-date overview of pharmacotherapies that have been tested to reduce fibrosis in the skeletal muscle.
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Affiliation(s)
- Laura Muraine
- Sorbonne Université, Inserm, Institut de Myologie, Centre de Recherche en Myologie, Paris, France
| | - Mona Bensalah
- Sorbonne Université, Inserm, Institut de Myologie, Centre de Recherche en Myologie, Paris, France
| | - Gillian Butler-Browne
- Sorbonne Université, Inserm, Institut de Myologie, Centre de Recherche en Myologie, Paris, France
| | - Anne Bigot
- Sorbonne Université, Inserm, Institut de Myologie, Centre de Recherche en Myologie, Paris, France
| | - Capucine Trollet
- Sorbonne Université, Inserm, Institut de Myologie, Centre de Recherche en Myologie, Paris, France
| | - Vincent Mouly
- Sorbonne Université, Inserm, Institut de Myologie, Centre de Recherche en Myologie, Paris, France.
| | - Elisa Negroni
- Sorbonne Université, Inserm, Institut de Myologie, Centre de Recherche en Myologie, Paris, France.
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12
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Xing J, Qi X, Liu G, Li X, Gao X, Bou G, Bai D, Zhao Y, Du M, Dugarjaviin M, Zhang X. A Transcriptomic Regulatory Network among miRNAs, lncRNAs, circRNAs, and mRNAs Associated with L-leucine-induced Proliferation of Equine Satellite Cells. Animals (Basel) 2023; 13:ani13020208. [PMID: 36670748 PMCID: PMC9854542 DOI: 10.3390/ani13020208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/30/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
In response to muscle injury, muscle stem cells are stimulated by environmental signals to integrate into damaged tissue to mediate regeneration. L-leucine (L-leu), a branched-chain amino acid (BCAA) that belongs to the essential amino acids (AAs) of the animal, has gained global interest on account of its muscle-building and regenerating effects. The present study was designed to investigate the impact of L-leu exposure to promote the proliferation of equine skeletal muscle satellite cells (SCs) on the regulation of RNA networks, including mRNA, long non-coding RNA (lncRNA), covalently closed circular RNA (circRNA), and microRNA (miRNA) in skeletal muscles. Equine SCs were used as a cell model and cultured in different concentrations of L-leu medium. The cell proliferation assay found that the optimal concentration of L-leu was 2 mM, so we selected cells cultured with L-leu concentrations of 0 mM and 2 mM for whole-transcriptiome sequencing, respectively. By high-throughput sequencing analysis, 2470 differentially expressed mRNAs (dif-mRNAs), 363 differentially expressed lncRNAs (dif-lncRNAs), 634 differentially expressed circRNAs (dif-circRNAs), and 49 differentially expressed miRNAs (dif-miRNAs) were significantly altered in equine SCs treated with L-leu. To identify the function of autoimmunity and anti-inflammatory responses after L-leu exposure, enrichment analysis was conducted on those differentially expressed genes (DEGs) related to lncRNA, circRNA, and miRNA. The hub genes were selected from PPI Network, including ACACB, HMGCR, IDI1, HAO1, SHMT2, PSPH, PSAT1, ASS1, PHGDH, MTHFD2, and DPYD, and were further identified as candidate biomarkers to regulate the L-leu-induced proliferation of equine SCs. The up-regulated novel 699_star, down-regulated novel 170_star, and novel 360_mature were significantly involved in the competing endogenous RNA (ceRNA) complex network. The hub genes involved in cell metabolism and dif-miRNAs may play fundamental roles in the L-leu-induced proliferation of equine SCs. Our findings suggested that the potential network regulation of miRNAs, circ-RNAs, lncRNAs, and mRNAs plays an important role in the proliferation of equine SCs, so as to build up new perspectives on improving equine performance and treatment strategies for the muscle injuries of horses.
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Affiliation(s)
- Jingya Xing
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Xingzhen Qi
- Liaocheng Research Institute of Donkey High-Breeding and Ecological Feeding, College of Agronomy, Liaocheng University, Liaocheng 252000, China
| | - Guiqin Liu
- Liaocheng Research Institute of Donkey High-Breeding and Ecological Feeding, College of Agronomy, Liaocheng University, Liaocheng 252000, China
| | - Xinyu Li
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Xing Gao
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Gerelchimeg Bou
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Dongyi Bai
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Yiping Zhao
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Ming Du
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Manglai Dugarjaviin
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Xinzhuang Zhang
- Inner Mongolia Key Laboratory of Equine Genetics, Breeding and Reproduction, Scientific Observing and Experimental Station of Equine Genetics, Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Equine Research Center, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
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13
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Wang X, Chen J, Homma ST, Wang Y, Smith GR, Ruf-Zamojski F, Sealfon SC, Zhou L. Diverse effector and regulatory functions of fibro/adipogenic progenitors during skeletal muscle fibrosis in muscular dystrophy. iScience 2022; 26:105775. [PMID: 36594034 PMCID: PMC9804115 DOI: 10.1016/j.isci.2022.105775] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 09/08/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Fibrosis is a prominent pathological feature of skeletal muscle in Duchenne muscular dystrophy (DMD). The commonly used disease mouse model, mdx 5cv , displays progressive fibrosis in the diaphragm but not limb muscles. We use single-cell RNA sequencing to determine the cellular expression of the genes involved in extracellular matrix (ECM) production and degradation in the mdx 5cv diaphragm and quadriceps. We find that fibro/adipogenic progenitors (FAPs) are not only the primary source of ECM but also the predominant cells that express important ECM regulatory genes, including Ccn2, Ltbp4, Mmp2, Mmp14, Timp1, Timp2, and Loxs. The effector and regulatory functions are exerted by diverse FAP clusters which are different between diaphragm and quadriceps, indicating their activation by different tissue microenvironments. FAPs are more abundant in diaphragm than in quadriceps. Our findings suggest that the development of anti-fibrotic therapy for DMD should target not only the ECM production but also the pro-fibrogenic regulatory functions of FAPs.
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Affiliation(s)
- Xingyu Wang
- Department of Neurology, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, USA
| | - Jianming Chen
- Department of Neurology, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, USA
| | - Sachiko T. Homma
- Department of Neurology, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, USA
| | - Yinhang Wang
- Department of Neurology, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, USA
| | - Gregory R. Smith
- Department of Neurology, Icahn School of Medicine at Mount Sinai, 1468 Madison Avenue, New York, NY 10029, USA
| | - Frederique Ruf-Zamojski
- Department of Neurology, Icahn School of Medicine at Mount Sinai, 1468 Madison Avenue, New York, NY 10029, USA
| | - Stuart C. Sealfon
- Department of Neurology, Icahn School of Medicine at Mount Sinai, 1468 Madison Avenue, New York, NY 10029, USA
| | - Lan Zhou
- Department of Neurology, Boston University School of Medicine, 72 East Concord Street, Boston, MA 02118, USA,Corresponding author
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14
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Phull AR, Ahmed M, Park HJ. Cordyceps militaris as a Bio Functional Food Source: Pharmacological Potential, Anti-Inflammatory Actions and Related Molecular Mechanisms. Microorganisms 2022; 10:microorganisms10020405. [PMID: 35208860 PMCID: PMC8875674 DOI: 10.3390/microorganisms10020405] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 12/11/2022] Open
Abstract
Cordyceps militaris (C. militaris) is a medicinal mushroom possessing a variety of biofunctionalities. It has several biologically important components such as polysaccharides and others. The diverse pharmacological potential of C. militaris has generated interest in reviewing the current scientific literature, with a particular focus on prevention and associated molecular mechanisms in inflammatory diseases. Due to rising global demand, research on C. militaris has continued to increase in recent years. C. militaris has shown the potential for inhibiting inflammation-related events, both in in vivo and in vitro experiments. Inflammation is a multifaceted biological process that contributes to the development and severity of diseases, including cancer, colitis, and allergies. These functions make C. militaris a suitable functional food for inhibiting inflammatory responses such as the regulation of proinflammatory cytokines. Therefore, on the basis of existing information, the current study provides insights towards the understanding of anti-inflammatory activity-related mechanisms. This article presents a foundation for clinical use, and analyzes the roadmap for future studies concerning the medical use of C. militaris and its constituents in the next generation of anti-inflammatory drugs.
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Affiliation(s)
- Abdul-Rehman Phull
- Department of Food Science and Biotechnology, College of BioNano Technology, Gachon University, Seongnam 13120, Korea;
| | - Madiha Ahmed
- Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad 44000, Pakistan;
| | - Hye-Jin Park
- Department of Food Science and Biotechnology, College of BioNano Technology, Gachon University, Seongnam 13120, Korea;
- Correspondence:
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15
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Vieira Ramos G, de Sousa Neto IV, Toledo-Arruda AC, Marqueti RDC, Vieira RP, Martins MA, Salvini TF, Durigan JLQ. Moderate Treadmill Training Induces Limited Effects on Quadriceps Muscle Hypertrophy in Mice Exposed to Cigarette Smoke Involving Metalloproteinase 2. Int J Chron Obstruct Pulmon Dis 2022; 17:33-42. [PMID: 35027823 PMCID: PMC8752871 DOI: 10.2147/copd.s326894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 09/29/2021] [Indexed: 12/02/2022] Open
Abstract
Background Long-term cigarette smoke (CS) induces substantive extrapulmonary effects, including musculoskeletal system disorders. Exercise training seems to protect long-term smokers against fiber atrophy in the locomotor muscles. Nevertheless, the extracellular matrix (ECM) changes in response to aerobic training remain largely unknown. Thus, we investigated the effects of moderate treadmill training on aerobic performance, cross-sectional area (CSA), fiber distribution, and metalloproteinase 2 (MMP-2) activity on quadriceps muscle in mice exposed to chronic CS. Methods Male mice were randomized into four groups: control or smoke (6 per group) and exercise or exercise+smoke (5 per group). Animals were exposed to 12 commercially filtered cigarettes per day (0.8 mg of nicotine, 10 mg of tar, and 10 mg of CO per cigarette). The CSA, fibers distribution, and MMP-2 activity by zymography were assessed after a period of treadmill training (50% of maximal exercise capacity for 60 min/day, 5 days/week) for 24 weeks. Results The CS exposure did not change CSA compared to the control group (p>0.05), but minor fibers in the frequency distribution (<1000 µm2) were observed. Long-term CS exposure attenuated CSA increases in exercise conditions (smoke+exercise vs exercise) while did not impair aerobic performance. Quadriceps CSA increased in mice nonsmoker submitted to aerobic training (p = 0.001). There was higher pro-MMP-2 activity in the smoke+exercise group when compared to the smoke group (p = 0.01). Regarding active MMP-2, the exercise showed higher values when compared to the control group (p = 0.001). Conclusion Moderate treadmill training for 24 weeks in mice exposed to CS did not modify CSA, despite inducing higher pro-MMP-2 activity in the quadriceps muscle, suggesting limited effects on ECM remodeling. Our findings may contribute to new insights into molecular mechanisms for CS conditions.
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Affiliation(s)
- Gracielle Vieira Ramos
- Physical Therapy Division, University of Brasilia, Brasília, DF, Brazil.,Department of Physical Therapy, University Paulista, Brasília, DF, Brazil
| | - Ivo Vieira de Sousa Neto
- Laboratory of Molecular Analysis, Graduate Program of Sciences and Technology of Health, Universidade de Brasília, Brasília, DF, Brazil
| | - Alessandra Choqueta Toledo-Arruda
- Faculty of Physiotherapy, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,Department of Medicine Clinical (LIM 20), School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Rita de Cassia Marqueti
- Laboratory of Molecular Analysis, Graduate Program of Sciences and Technology of Health, Universidade de Brasília, Brasília, DF, Brazil
| | - Rodolfo P Vieira
- Universidade Brasil, Post-Graduation Program in Bioengineering, São Paulo, Brazil.,Laboratory of Pulmonary and Exercise Immunology (LABPEI), Brazilian Institute of Teaching and Research in Pulmonary and Exercise Immunology (IBEPIPE) and Nove de Julho University (UNINOVE), São Paulo, SP, Brazil.,Federal University of Sao Paulo, Post-Graduation Program in Sciences of Human Movement and Rehabilitation, São Paulo, Brazil
| | - Milton A Martins
- Department of Medicine Clinical (LIM 20), School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Tânia F Salvini
- Department of Physical Therapy, Federal University of São Carlos, São Carlos, Brazil
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16
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Sikorska M, Dutkiewicz M, Zegrocka-Stendel O, Kowalewska M, Grabowska I, Koziak K. Beneficial effects of β-escin on muscle regeneration in rat model of skeletal muscle injury. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 93:153791. [PMID: 34666284 DOI: 10.1016/j.phymed.2021.153791] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/20/2021] [Accepted: 10/02/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Recent advancements in understanding β-escin action provide basis for new therapeutic claims for the drug. β-escin-evoked attenuation of NF-κB-dependent signaling, increase in MMP-14 and decrease in COUP-TFII content and a rise in cholesterol biosynthesis could be beneficial in alleviating muscle-damaging processes. PURPOSE The aim of this study was to investigate the effect of β-escin on skeletal muscle regeneration. METHODS Rat model of cardiotoxin-induced injury of fast-twich extensor digitorum longus (EDL) and slow-twich soleus (SOL) muscles and C2C12 myoblast cells were used in the study. We evaluated muscles obtained on day 3 and 14 post-injury by histological analyses of muscle fibers, connective tissue, and mononuclear infiltrate, by immunolocalization of macrophages and by qPCR to quantify the expression of muscle regeneration-related genes. Mechanism of drug action was investigated in vitro by assessing cell viability, NF-κB activation, MMP-2 and MMP-9 secretion, and ALDH activity. RESULTS In rat model, β-escin rescues regenerating muscles from atrophy. The drug reduces inflammatory infiltration, increases the number of muscle fibers and decreases fibrosis. β-escin reduces macrophage infiltration into injured muscles and promotes their M2 polarization. It also alters transcription of muscle regeneration-related genes: Myf5, Myh2, Myh3, Myh8, Myod1, Pax3 and Pax7, and Pcna. In C2C12 myoblasts in vitro, β-escin inhibits TNF-α-induced activation of NF-κB, reduces secretion of MMP-9 and increases ALDH activity. CONCLUSIONS The data reveal beneficial role of β-escin in muscle regeneration, particularly in poorly regenerating slow-twitch muscles. The findings provide rationale for further studies on β-escin repositioning into conditions associated with muscle damage such as strenuous exercise, drug-induced myotoxicity or age-related disuse atrophy.
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Affiliation(s)
- Maria Sikorska
- Department of Biochemistry and Nutrition, Centre for Preclinical Research and Technology, Medical University of Warsaw, ul. Banacha 1b, 02-097 Warsaw, Poland
| | - Małgorzata Dutkiewicz
- Department of Biochemistry and Nutrition, Centre for Preclinical Research and Technology, Medical University of Warsaw, ul. Banacha 1b, 02-097 Warsaw, Poland
| | - Oliwia Zegrocka-Stendel
- Department of Biochemistry and Nutrition, Centre for Preclinical Research and Technology, Medical University of Warsaw, ul. Banacha 1b, 02-097 Warsaw, Poland
| | - Magdalena Kowalewska
- Department of Biochemistry and Nutrition, Centre for Preclinical Research and Technology, Medical University of Warsaw, ul. Banacha 1b, 02-097 Warsaw, Poland; Department of Molecular and Translational Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, ul. Roentgena 5, 02-781 Warsaw, Poland
| | - Iwona Grabowska
- Department of Cytology, Institute of Developmental Biology and Biomedical Sciences, Faculty of Biology, University of Warsaw, ul. Miecznikowa 1, 02-096 Warsaw, Poland
| | - Katarzyna Koziak
- Department of Biochemistry and Nutrition, Centre for Preclinical Research and Technology, Medical University of Warsaw, ul. Banacha 1b, 02-097 Warsaw, Poland.
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17
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Marine T, Marielle S, Graziella M, Fabio RMV. Macrophages in Skeletal Muscle Dystrophies, An Entangled Partner. J Neuromuscul Dis 2021; 9:1-23. [PMID: 34542080 PMCID: PMC8842758 DOI: 10.3233/jnd-210737] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
While skeletal muscle remodeling happens throughout life, diseases that result in its dysfunction are accountable for many deaths. Indeed, skeletal muscle is exceptionally capable to respond to stimuli modifying its homeostasis, such as in atrophy, hypertrophy, regeneration and repair. In particular conditions such as genetic diseases (muscular dystrophies), skeletal muscle’s capacity to remodel is strongly affected and undergoes continuous cycles of chronic damage. This induces scarring, fatty infiltration, as well as loss of contractibility and of the ability to generate force. In this context, inflammation, primarily mediated by macrophages, plays a central pathogenic role. Macrophages contribute as the primary regulators of inflammation during skeletal muscle regeneration, affecting tissue-resident cells such as myogenic cells and endothelial cells, but also fibro-adipogenic progenitors, which are the main source of the fibro fatty scar. During skeletal muscle regeneration their function is tightly orchestrated, while in dystrophies their fate is strongly disturbed, resulting in chronic inflammation. In this review, we will discuss the latest findings on the role of macrophages in skeletal muscle diseases, and how they are regulated.
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Affiliation(s)
- Theret Marine
- School of Biomedical Engineering, Department of Medical Genetics, University of British Columbia, Vancouver BC, Canada
| | - Saclier Marielle
- Department of Biosciences, University of Milan, via Celoria, Milan, Italy
| | - Messina Graziella
- Department of Biosciences, University of Milan, via Celoria, Milan, Italy
| | - Rossi M V Fabio
- School of Biomedical Engineering, Department of Medical Genetics, University of British Columbia, Vancouver BC, Canada
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18
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Santibanez JF, Obradović H, Krstić J. BMP2 downregulates urokinase-type plasminogen activator via p38 MAPK: Implications in C2C12 cells myogenic differentiation. Acta Histochem 2021; 123:151774. [PMID: 34450502 DOI: 10.1016/j.acthis.2021.151774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/05/2021] [Accepted: 08/17/2021] [Indexed: 10/20/2022]
Abstract
Bone morphogenetic protein (BMP)2 strongly affects the differentiation program of myoblast cells by inhibiting myogenesis and inducing osteogenic differentiation. In turn, extracellular matrix (ECM) proteinases, such as urokinase-type plasminogen activator (uPA), can influence the fate of muscle stem cells by participating in ECM reorganization. Although both BMP2 and uPA have antagonistic roles in muscles cells differentiation, no connection between them has been elucidated so far. This study aims to determine whether BMP2 regulates uPA expression in the myogenic C2C12 cell line and its impact on muscle cell fate differentiation. Our results showed that BMP2 did not modify C2C12 cell proliferation in a growth medium or myogenic differentiation medium. Although BMP2 inhibited myogenesis and induced osteogenesis, these effects were achieved with different doses of BMP2. Low concentrations of BMP2 blocked myogenesis, while a higher concentration was needed to induce osteogenesis. Reduced uPA expression was noticed alongside myogenic inhibition at low concentrations of BMP2. BMP2 activated p38 MAPK signaling to inhibit uPA activity. Furthermore, ectopic human uPA expression reduced BMP2's ability to inhibit the myogenic differentiation of C2C12 cells. In conclusion, BMP2 inhibits uPA expression through p38 MAPK and in vitro myogenesis at non-osteogenic concentrations, while uPA ectopic expression prevents BMP2 from inhibiting myogenesis in C2C12 cells.
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19
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Petrocelli JJ, Mahmassani ZS, Fix DK, Montgomery JA, Reidy PT, McKenzie AI, de Hart NM, Ferrara PJ, Kelley JJ, Eshima H, Funai K, Drummond MJ. Metformin and leucine increase satellite cells and collagen remodeling during disuse and recovery in aged muscle. FASEB J 2021; 35:e21862. [PMID: 34416035 DOI: 10.1096/fj.202100883r] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/28/2021] [Accepted: 08/04/2021] [Indexed: 11/11/2022]
Abstract
Loss of muscle mass and strength after disuse followed by impaired muscle recovery commonly occurs with aging. Metformin (MET) and leucine (LEU) individually have shown positive effects in skeletal muscle during atrophy conditions but have not been evaluated in combination nor tested as a remedy to enhance muscle recovery following disuse atrophy in aging. The purpose of this study was to determine if a dual treatment of metformin and leucine (MET + LEU) would prevent disuse-induced atrophy and/or promote muscle recovery in aged mice and if these muscle responses correspond to changes in satellite cells and collagen remodeling. Aged mice (22-24 months) underwent 14 days of hindlimb unloading (HU) followed by 7 or 14 days of reloading (7 or 14 days RL). MET, LEU, or MET + LEU was administered via drinking water and were compared to Vehicle (standard drinking water) and ambulatory baseline. We observed that during HU, MET + LEU resolved whole body grip strength and soleus muscle specific force decrements caused by HU. Gastrocnemius satellite cell abundance was increased with MET + LEU treatment but did not alter muscle size during disuse or recovery conditions. Moreover, MET + LEU treatment alleviated gastrocnemius collagen accumulation caused by HU and increased collagen turnover during 7 and 14 days RL driven by a decrease in collagen IV content. Transcriptional pathway analysis revealed that MET + LEU altered muscle hallmark pathways related to inflammation and myogenesis during HU. Together, the dual treatment of MET and LEU was able to increase muscle function, satellite cell content, and reduce collagen accumulation, thus improving muscle quality during disuse and recovery in aging.
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Affiliation(s)
- Jonathan J Petrocelli
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, Utah, USA
| | - Ziad S Mahmassani
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, Utah, USA
| | - Dennis K Fix
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, Utah, USA
| | | | - Paul T Reidy
- Department of Kinesiology, Nutrition and Health, Miami University, Oxford, Ohio, USA
| | - Alec I McKenzie
- Department of Internal Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Naomi M de Hart
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah, USA
| | - Patrick J Ferrara
- Molecular Medicine Program, University of Utah, Salt Lake City, Utah, USA
| | - Joshua J Kelley
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, Utah, USA
| | - Hiroaki Eshima
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah, USA
| | - Katsuhiko Funai
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, Utah, USA.,Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah, USA.,Molecular Medicine Program, University of Utah, Salt Lake City, Utah, USA
| | - Micah J Drummond
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, Utah, USA.,Molecular Medicine Program, University of Utah, Salt Lake City, Utah, USA
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20
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Gutiérrez J, Gonzalez D, Escalona-Rivano R, Takahashi C, Brandan E. Reduced RECK levels accelerate skeletal muscle differentiation, improve muscle regeneration, and decrease fibrosis. FASEB J 2021; 35:e21503. [PMID: 33811686 DOI: 10.1096/fj.202001646rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 02/07/2021] [Accepted: 02/19/2021] [Indexed: 12/15/2022]
Abstract
The muscle regeneration process requires a properly assembled extracellular matrix (ECM). Its homeostasis depends on the activity of different matrix-metalloproteinases (MMPs). The reversion-inducing-cysteine-rich protein with kazal motifs (RECK) is a membrane-anchored protein that negatively regulates the activity of different MMPs. However, the role of RECK in the process of skeletal muscle differentiation, regeneration, and fibrosis has not been elucidated. Here, we show that during skeletal muscle differentiation of C2C12 myoblasts and in satellite cells on isolated muscle fibers, RECK is transiently up regulated. C2C12 myoblasts with reduced RECK levels are more prone to enter the differentiation program, showing an accelerated differentiation process. Notch-1 signaling was reduced, while p38 and AKT signaling were augmented in myoblasts with decreased RECK levels. Overexpression of RECK restores the normal differentiation process but diminished the ability to form myotubes. Transient up-regulation of RECK occurs during skeletal muscle regeneration, which was accelerated in RECK-deficient mice (Reck±). RECK, MMPs and ECM proteins augmented in chronically damaged WT muscle, a model of muscle fibrosis. In this model, RECK ± mice showed diminished fibrosis compared to WT. These results strongly suggest that RECK is acting as a potential myogenic repressor during muscle formation and regeneration, emerging as a new player in these processes, and as a potential target to treat individuals with the muscle-wasting disease.
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Affiliation(s)
- Jaime Gutiérrez
- Cellular Signaling and Differentiation Laboratory (CSDL), School of Medical Technology, Health Sciences Faculty, Universidad San Sebastian, Santiago, Chile.,Centro de Regeneración y Envejecimiento (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - David Gonzalez
- Centro de Regeneración y Envejecimiento (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Rodrigo Escalona-Rivano
- Cellular Signaling and Differentiation Laboratory (CSDL), School of Medical Technology, Health Sciences Faculty, Universidad San Sebastian, Santiago, Chile
| | - Chiaki Takahashi
- Oncology and Molecular Biology, Cancer and Stem Cell Research Program, Cancer Research Institute, Kanazawa University, Kanazawa, Japan
| | - Enrique Brandan
- Centro de Regeneración y Envejecimiento (CARE), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile.,Fundación Ciencia & Vida, Santiago, Chile
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21
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Inflammation and tumor progression: signaling pathways and targeted intervention. Signal Transduct Target Ther 2021; 6:263. [PMID: 34248142 PMCID: PMC8273155 DOI: 10.1038/s41392-021-00658-5] [Citation(s) in RCA: 664] [Impact Index Per Article: 221.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 05/11/2021] [Accepted: 05/23/2021] [Indexed: 02/06/2023] Open
Abstract
Cancer development and its response to therapy are regulated by inflammation, which either promotes or suppresses tumor progression, potentially displaying opposing effects on therapeutic outcomes. Chronic inflammation facilitates tumor progression and treatment resistance, whereas induction of acute inflammatory reactions often stimulates the maturation of dendritic cells (DCs) and antigen presentation, leading to anti-tumor immune responses. In addition, multiple signaling pathways, such as nuclear factor kappa B (NF-kB), Janus kinase/signal transducers and activators of transcription (JAK-STAT), toll-like receptor (TLR) pathways, cGAS/STING, and mitogen-activated protein kinase (MAPK); inflammatory factors, including cytokines (e.g., interleukin (IL), interferon (IFN), and tumor necrosis factor (TNF)-α), chemokines (e.g., C-C motif chemokine ligands (CCLs) and C-X-C motif chemokine ligands (CXCLs)), growth factors (e.g., vascular endothelial growth factor (VEGF), transforming growth factor (TGF)-β), and inflammasome; as well as inflammatory metabolites including prostaglandins, leukotrienes, thromboxane, and specialized proresolving mediators (SPM), have been identified as pivotal regulators of the initiation and resolution of inflammation. Nowadays, local irradiation, recombinant cytokines, neutralizing antibodies, small-molecule inhibitors, DC vaccines, oncolytic viruses, TLR agonists, and SPM have been developed to specifically modulate inflammation in cancer therapy, with some of these factors already undergoing clinical trials. Herein, we discuss the initiation and resolution of inflammation, the crosstalk between tumor development and inflammatory processes. We also highlight potential targets for harnessing inflammation in the treatment of cancer.
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22
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McKendry J, Stokes T, Mcleod JC, Phillips SM. Resistance Exercise, Aging, Disuse, and Muscle Protein Metabolism. Compr Physiol 2021; 11:2249-2278. [PMID: 34190341 DOI: 10.1002/cphy.c200029] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Skeletal muscle is the organ of locomotion, its optimal function is critical for athletic performance, and is also important for health due to its contribution to resting metabolic rate and as a site for glucose uptake and storage. Numerous endogenous and exogenous factors influence muscle mass. Much of what is currently known regarding muscle protein turnover is owed to the development and use of stable isotope tracers. Skeletal muscle mass is determined by the meal- and contraction-induced alterations of muscle protein synthesis and muscle protein breakdown. Increased loading as resistance training is the most potent nonpharmacological strategy by which skeletal muscle mass can be increased. Conversely, aging (sarcopenia) and muscle disuse lead to the development of anabolic resistance and contribute to the loss of skeletal muscle mass. Nascent omics-based technologies have significantly improved our understanding surrounding the regulation of skeletal muscle mass at the gene, transcript, and protein levels. Despite significant advances surrounding the mechanistic intricacies that underpin changes in skeletal muscle mass, these processes are complex, and more work is certainly needed. In this article, we provide an overview of the importance of skeletal muscle, describe the influence that resistance training, aging, and disuse exert on muscle protein turnover and the molecular regulatory processes that contribute to changes in muscle protein abundance. © 2021 American Physiological Society. Compr Physiol 11:2249-2278, 2021.
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Affiliation(s)
- James McKendry
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
| | - Tanner Stokes
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
| | - Jonathan C Mcleod
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
| | - Stuart M Phillips
- Exercise Metabolism Research Group, Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
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23
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Suzan V, Yavuzer H, Bag Soytas R, Bektan Kanat B, Arman P, Emiroglu Gedik T, Unal D, Atar O, Bolayirli IM, Doventas A. The relationship between primary sarcopenia and SARC-F, serum MMP9, TIMP1 levels, and MMP9/TIMP1 ratio in the geriatric patients. Eur Geriatr Med 2021; 12:1229-1235. [PMID: 34106445 DOI: 10.1007/s41999-021-00519-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/19/2021] [Indexed: 12/16/2022]
Abstract
PURPOSE The purpose of this study is to evaluate the relationship between serum MMP9 (Matrix metalloproteinase), TIMP1 (Tissue inhibitor of metalloproteinase) levels and MMP9/TIMP1 ratio and primary sarcopenia in geriatric patients, and compare the diagnostic accuracy of such biomarkers with that of the SARC-F score. METHODS A total of 88 patients aged 65 years and older were assessed in the study. Comorbidities and geriatric syndromes were determined and patients with secondary sarcopenia were excluded. EWGSOP2 criteria were used as diagnostic criteria for sarcopenia and SARC-F questionnaire was used to find individuals at risk for sarcopenia. Serum MMP9 and TIMP1 levels were analyzed by ELISA method. RESULTS SARC-F, serum MMP9 and MMP9/TIMP1 ratio were significantly higher in the group with sarcopenia compared to the group without sarcopenia (p = 0.001, p = 0.026 and p = 0.006, respectively). In univariate logistic regression analysis, while SARC-F score and MMP9/TIMP1 ratio were significant, MMP9, TIMP1, age and gender were not. In the multivariate logistic regression analysis of the SARC-F score and the MMP9/TIMP1 ratio, it was determined that both of them were associated with sarcopenia [Odds ratio (OR) 1.447 (95%) confidence interval (CI) 1.170-1.791, p = 0.001; OR 1.127, (95%) CI 1.016-1.249, p = 0.023, respectively]. ROC curve analysis showed that the area under ROC curve (AUC) of SARC-F and MMP9/TIMP1 was 0.703 (p = 0.001, %95 CI 0.594-0.812) and 0.670 (p = 0.006, %95 CI 0.557-0.783), respectively. CONCLUSION Although this study supports the use of SARC-F questionnaire in daily practice; if SARC-F can't be applicable, the MMP9/TIMP1 ratio could be an alternative choice to the SARC-F.
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Affiliation(s)
- Veysel Suzan
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey.
| | - Hakan Yavuzer
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey
| | - Rabia Bag Soytas
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey
| | - Bahar Bektan Kanat
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey
| | - Pinar Arman
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey
| | - Tugce Emiroglu Gedik
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey
| | - Damla Unal
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey
| | - Oguz Atar
- Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ibrahim Murat Bolayirli
- Department of Biochemistry, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Alper Doventas
- Division of Geriatric Medicine, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Cerrahpaşa mahallesi Kocamustafapaşa Caddesi no:34/E Fatih, Istanbul, Turkey
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24
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Kok HJ, Barton ER. Actions and interactions of IGF-I and MMPs during muscle regeneration. Semin Cell Dev Biol 2021; 119:11-22. [PMID: 33962867 DOI: 10.1016/j.semcdb.2021.04.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 04/04/2021] [Accepted: 04/19/2021] [Indexed: 12/11/2022]
Abstract
Muscle regeneration requires the coordination of several factors to mobilize satellite cells and macrophages, remodel the extracellular matrix surrounding muscle fibers, and repair existing and/or form new muscle fibers. In this review, we focus on insulin-like growth factor I and the matrix metalloproteinases, which are secreted proteins that act on cells and the matrix to resolve damage. While their actions appear independent, their interactions occur at the transcriptional and post-translational levels to promote feed-forward activation of each other. Together, these proteins assist at virtually every step of the repair process, and contribute significantly to muscle regenerative capacity.
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Affiliation(s)
- Hui Jean Kok
- Applied Physiology & Kinesiology, College of Health and Human Performance, University of Florida, 1864 Stadium Road, Gainesville, FL 32611, USA
| | - Elisabeth R Barton
- Applied Physiology & Kinesiology, College of Health and Human Performance, University of Florida, 1864 Stadium Road, Gainesville, FL 32611, USA.
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25
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Kang MS, Kang JI, Le Thi P, Park KM, Hong SW, Choi YS, Han DW, Park KD. Three-Dimensional Printable Gelatin Hydrogels Incorporating Graphene Oxide to Enable Spontaneous Myogenic Differentiation. ACS Macro Lett 2021; 10:426-432. [PMID: 35549236 DOI: 10.1021/acsmacrolett.0c00845] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Three-dimensional (3D) bioprinting has attracted considerable attention for producing 3D engineered cellular microenvironments that replicate complex and sophisticated native extracellular matrices (ECM) as well as the spatiotemporal gradients of numerous physicochemical and biological cues. Although various hydrogel-based bioinks have been reported, the development of advanced bioink materials that can reproduce the complexity of ECM accurately and mimic the intrinsic property of laden cells is still a challenge. This paper reports 3D printable bioinks composed of phenol-rich gelatin (GHPA) and graphene oxide (GO) as a component for a myogenesis-inducing material, which can form a hydrogel network in situ by a dual enzyme-mediated cross-linking reaction. The in situ curable GO/GHPA hydrogel can be utilized successfully as 3D-printable bioinks to provide suitable cellular microenvironments with facilitated myogenic differentiation of C2C12 skeletal myoblasts. Overall, we suggest that functional bioinks may be useful in muscle tissue engineering and regenerative medicine.
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Affiliation(s)
- Moon Sung Kang
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Jeon Il Kang
- Department of Bioengineering and Nano-bioengineering, Incheon National University, Incheon 22012, Republic of Korea
| | - Phuong Le Thi
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
| | - Kyung Min Park
- Department of Bioengineering and Nano-bioengineering, Incheon National University, Incheon 22012, Republic of Korea
| | - Suck Won Hong
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Yu Suk Choi
- School of Human Sciences, The University of Western Australia, Western Australia 6009, Australia
| | - Dong-Wook Han
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Ki Dong Park
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea
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26
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Omics Approaches in Adipose Tissue and Skeletal Muscle Addressing the Role of Extracellular Matrix in Obesity and Metabolic Dysfunction. Int J Mol Sci 2021; 22:ijms22052756. [PMID: 33803198 PMCID: PMC7963192 DOI: 10.3390/ijms22052756] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/03/2021] [Accepted: 03/05/2021] [Indexed: 12/14/2022] Open
Abstract
Extracellular matrix (ECM) remodeling plays important roles in both white adipose tissue (WAT) and the skeletal muscle (SM) metabolism. Excessive adipocyte hypertrophy causes fibrosis, inflammation, and metabolic dysfunction in adipose tissue, as well as impaired adipogenesis. Similarly, disturbed ECM remodeling in SM has metabolic consequences such as decreased insulin sensitivity. Most of described ECM molecular alterations have been associated with DNA sequence variation, alterations in gene expression patterns, and epigenetic modifications. Among others, the most important epigenetic mechanism by which cells are able to modulate their gene expression is DNA methylation. Epigenome-Wide Association Studies (EWAS) have become a powerful approach to identify DNA methylation variation associated with biological traits in humans. Likewise, Genome-Wide Association Studies (GWAS) and gene expression microarrays have allowed the study of whole-genome genetics and transcriptomics patterns in obesity and metabolic diseases. The aim of this review is to explore the molecular basis of ECM in WAT and SM remodeling in obesity and the consequences of metabolic complications. For that purpose, we reviewed scientific literature including all omics approaches reporting genetic, epigenetic, and transcriptomic (GWAS, EWAS, and RNA-seq or cDNA arrays) ECM-related alterations in WAT and SM as associated with metabolic dysfunction and obesity.
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27
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Ollewagen T, Myburgh KH, van de Vyver M, Smith C. Rheumatoid cachexia: the underappreciated role of myoblast, macrophage and fibroblast interplay in the skeletal muscle niche. J Biomed Sci 2021; 28:15. [PMID: 33658022 PMCID: PMC7931607 DOI: 10.1186/s12929-021-00714-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 02/11/2021] [Indexed: 12/24/2022] Open
Abstract
Although rheumatoid arthritis affects 1% of the global population, the role of rheumatoid cachexia, which occurs in up to a third of patients, is relatively neglected as research focus, despite its significant contribution to decreased quality of life in patients. A better understanding of the cellular and molecular processes involved in rheumatoid cachexia, as well as its potential treatment, is dependent on elucidation of the intricate interactions of the cells involved, such as myoblasts, fibroblasts and macrophages. Persistent RA-associated inflammation results in a relative depletion of the capacity for regeneration and repair in the satellite cell niche. The repair that does proceed is suboptimal due to dysregulated communication from the other cellular role players in this multi-cellular environment. This includes the incomplete switch in macrophage phenotype resulting in a lingering pro-inflammatory state within the tissues, as well as fibroblast-associated dysregulation of the dynamic control of the extracellular matrix. Additional to this endogenous dysregulation, some treatment strategies for RA may exacerbate muscle wasting and no multi-cell investigation has been done in this context. This review summarizes the most recent literature characterising clinical RA cachexia and links these features to the roles of and complex communication between multiple cellular contributors in the muscle niche, highlighting the importance of a targeted approach to therapeutic intervention.
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Affiliation(s)
- T Ollewagen
- Department of Physiological Sciences, Science Faculty, Stellenbosch University, Stellenbosch, South Africa
| | - K H Myburgh
- Department of Physiological Sciences, Science Faculty, Stellenbosch University, Stellenbosch, South Africa
| | - M van de Vyver
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Parow, South Africa
| | - C Smith
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Parow, South Africa.
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28
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Millward DJ. Interactions between Growth of Muscle and Stature: Mechanisms Involved and Their Nutritional Sensitivity to Dietary Protein: The Protein-Stat Revisited. Nutrients 2021; 13:729. [PMID: 33668846 PMCID: PMC7996181 DOI: 10.3390/nu13030729] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 02/15/2021] [Accepted: 02/22/2021] [Indexed: 02/07/2023] Open
Abstract
Childhood growth and its sensitivity to dietary protein is reviewed within a Protein-Stat model of growth regulation. The coordination of growth of muscle and stature is a combination of genetic programming, and of two-way mechanical interactions involving the mechanotransduction of muscle growth through stretching by bone length growth, the core Protein-Stat feature, and the strengthening of bone through muscle contraction via the mechanostat. Thus, growth in bone length is the initiating event and this is always observed. Endocrine and cellular mechanisms of growth in stature are reviewed in terms of the growth hormone-insulin like growth factor-1 (GH-IGF-1) and thyroid axes and the sex hormones, which together mediate endochondral ossification in the growth plate and bone lengthening. Cellular mechanisms of muscle growth during development are then reviewed identifying (a) the difficulties posed by the need to maintain its ultrastructure during myofibre hypertrophy within the extracellular matrix and the concept of muscle as concentric "bags" allowing growth to be conceived as bag enlargement and filling, (b) the cellular and molecular mechanisms involved in the mechanotransduction of satellite and mesenchymal stromal cells, to enable both connective tissue remodelling and provision of new myonuclei to aid myofibre hypertrophy and (c) the implications of myofibre hypertrophy for protein turnover within the myonuclear domain. Experimental data from rodent and avian animal models illustrate likely changes in DNA domain size and protein turnover during developmental and stretch-induced muscle growth and between different muscle fibre types. Growth of muscle in male rats during adulthood suggests that "bag enlargement" is achieved mainly through the action of mesenchymal stromal cells. Current understanding of the nutritional regulation of protein deposition in muscle, deriving from experimental studies in animals and human adults, is reviewed, identifying regulation by amino acids, insulin and myofibre volume changes acting to increase both ribosomal capacity and efficiency of muscle protein synthesis via the mechanistic target of rapamycin complex 1 (mTORC1) and the phenomenon of a "bag-full" inhibitory signal has been identified in human skeletal muscle. The final section deals with the nutritional sensitivity of growth of muscle and stature to dietary protein in children. Growth in length/height as a function of dietary protein intake is described in the context of the breastfed child as the normative growth model, and the "Early Protein Hypothesis" linking high protein intakes in infancy to later adiposity. The extensive paediatric studies on serum IGF-1 and child growth are reviewed but their clinical relevance is of limited value for understanding growth regulation; a role in energy metabolism and homeostasis, acting with insulin to mediate adiposity, is probably more important. Information on the influence of dietary protein on muscle mass per se as opposed to lean body mass is limited but suggests that increased protein intake in children is unable to promote muscle growth in excess of that linked to genotypic growth in length/height. One possible exception is milk protein intake, which cohort and cross-cultural studies suggest can increase height and associated muscle growth, although such effects have yet to be demonstrated by randomised controlled trials.
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Affiliation(s)
- D Joe Millward
- Department of Nutritional Sciences, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
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29
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Mukherjee T, Behl T, Sehgal A, Bhatia S, Singh H, Bungau S. Exploring the molecular role of endostatin in diabetic neuropathy. Mol Biol Rep 2021; 48:1819-1836. [PMID: 33559819 DOI: 10.1007/s11033-021-06205-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 01/28/2021] [Indexed: 02/06/2023]
Abstract
For over a decade, diabetic neuropathy has exhibited great emergence in diabetic patients. Though there are numerous impediments in understanding the underlying pathology it is not that enough to conclude. Initially, there was no intricate protocol for diagnosis as its symptoms mimic most of the neurodegenerative disorders and demyelinating diseases. Continuous research on this, reveals many pathological correlates which are also detectable clinically. The most important pathologic manifestation is imbalanced angiogenesis/neo-vascularization. This review is completely focused on established pathogenesis and anti-angiogenic agents which are physiological signal molecules by the origin. Those agents can also be used externally to inhibit those pathogenic pathways. Pathologically DN demonstrates the misbalanced expression of many knotty factors like VEGF, FGF2, TGFb, NF-kb, TNF-a, MMP, TIMP, and many minor factors. Their pathway towards the incidence of DN is quite interrelated. Many anti-angiogenic agents inhibit neovascularization to many extents, but out of them predominantly inhibition of angiogenic activity is shared by endostatin which is now in clinical trial phase II. It inhibits almost all angiogenic factors and it is possible because they share interrelated pathogenesis towards imbalanced angiogenesis. Endostatin is a physiological signal molecule produced by the proteolytic cleavage of collagen XVIII. It has also a broad research profile in the field of medical research and further investigation can show promising therapeutic effects for benefit of mankind.
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Affiliation(s)
- Tuhin Mukherjee
- Guru Nanak Institute of Pharmaceutical Science and Technology, Kolkata, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Saurabh Bhatia
- Amity Institute of Pharmacy, Amity University, Gurgaon, Haryana, India.,Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Sultanate of Oman
| | | | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
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30
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Surówka A, Wilk A, Szumilas K, Kędzierska-Kapuza K. The Effect of Immunosuppressive Drugs on MMPs Activity in The Walls of Blood Vessels - A Systematic Review. Int J Med Sci 2021; 18:1502-1509. [PMID: 33628108 PMCID: PMC7893574 DOI: 10.7150/ijms.54423] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 12/18/2020] [Indexed: 11/05/2022] Open
Abstract
The current study focuses on the role of MMPs in the pathogenesis of the vascular damage and at the same time it offers the review referring to the influence of the immunosuppressive treatment on this interdependence. Contemporary immunosuppressive treatment constitutes of four groups of medications, such as: calcineurin inhibitors including cyclosporine A and tacrolimus; inhibitors of the inosine monophosphate dehydrogenase - the only agent from this group currently used in transplantation is mycophenalate mofetil (MMF); mTOR inhibitors, consisting of everolimus and glucocorticosteroids. Due to the fact that the properties of immunosuppressive drugs still remain unclear and transplant recipients need to use these medicines every day, knowledge of this should be further expanded. The deceases of the patients with the functioning graft who were diagnosed with the cardiovascular system diseases, constitute 50% of all renal transplant recipients. Immunosuppressive treatment leads to many pathological alterations within the organs and tissues and additionally they undoubtedly affect the activity of MMPs in the wall of the vessels.
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Affiliation(s)
- Anna Surówka
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Aleksandra Wilk
- Department of Histology and Embryology, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Kamila Szumilas
- Department of Physiology, Pomeranian Medical University, 70-111 Szczecin, Poland
| | - Karolina Kędzierska-Kapuza
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland.,Clinical Department of Gastroenterological Surgery and Transplantation, Central Clinical Hospital of the MSWiA in Warsaw, Poland
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31
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Xing T, Zhao ZR, Zhao X, Xu XL, Zhang L, Gao F. Enhanced transforming growth factor-beta signaling and fibrosis in the pectoralis major muscle of broiler chickens affected by wooden breast myopathy. Poult Sci 2020; 100:100804. [PMID: 33516474 PMCID: PMC7936165 DOI: 10.1016/j.psj.2020.10.058] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/24/2020] [Accepted: 10/20/2020] [Indexed: 02/06/2023] Open
Abstract
Fibrosis has also been recorded as a prominent pathological feature within wooden breast (WB) myopathy of broiler chickens. This study was conducted to evaluate the accumulation of fibril collagen, deposition of the extracellular matrix (ECM) components, and the underlying mechanism mediating the pathogenic fibrotic process in the pectoralis major (PM) muscle of WB-affected birds. Broiler chickens were categorized into the control and WB groups based on the evaluation of myopathic lesions. Results indicated that the total content and area of collagen in cross-sections of the PM muscle, as well as the augmented expression of collagen-I and fibronectin in the ECM, were greatly increased in birds with WB. Wooden breast myopathy upregulated expressions of transforming growth factor-beta (TGF-β) and the phosphorylation of Smad 2 and 3, thereby activating TGF-β-mediated Smad signaling pathway, which further enhanced the transcription of profibrotic mediators. In addition, regulators involved in collagen biosynthesis and cross-linking including prolyl 4-hydroxylase, lysyl oxidase, lysyl hydroxylase, and decorin were increased in the WB muscle. Finally, the expressions of both matrix metalloproteinases (MMP) and tissue inhibitor of metalloproteinases (TIMP) were increased in the WB muscle, which might be related with reduced ECM remodeling. Overall, WB myopathy induces severe fibrosis by enhancing ECM deposition and collagen cross-linking in the PM muscle of broiler chickens, possibly via the activation of TGF-β signaling and the dysregulation of the MMP and TIMP system.
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Affiliation(s)
- T Xing
- College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Joint International Research Laboratory of Animal Health and Food Safety, National Experimental Teaching Demonstration Center of Animal Science, Nanjing Agricultural University, Nanjing 210095, P.R. China
| | - Z R Zhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - X Zhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - X L Xu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - L Zhang
- College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Joint International Research Laboratory of Animal Health and Food Safety, National Experimental Teaching Demonstration Center of Animal Science, Nanjing Agricultural University, Nanjing 210095, P.R. China
| | - F Gao
- College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Joint International Research Laboratory of Animal Health and Food Safety, National Experimental Teaching Demonstration Center of Animal Science, Nanjing Agricultural University, Nanjing 210095, P.R. China.
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Gumpenberger M, Wessner B, Graf A, Narici MV, Fink C, Braun S, Hoser C, Blazevich AJ, Csapo R. Remodeling the Skeletal Muscle Extracellular Matrix in Older Age-Effects of Acute Exercise Stimuli on Gene Expression. Int J Mol Sci 2020; 21:ijms21197089. [PMID: 32992998 PMCID: PMC7583913 DOI: 10.3390/ijms21197089] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/21/2020] [Accepted: 09/23/2020] [Indexed: 02/07/2023] Open
Abstract
With advancing age, the skeletal muscle extracellular matrix (ECM) undergoes fibrotic changes that may lead to increased muscle stiffness, injury susceptibility and strength loss. This study tested the potential of different exercises to counter these changes by stimulating the activity of genes associated with ECM remodeling. Twenty-six healthy men (66.9 ± 3.9 years) were stratified to two of four groups, performing unilateral (i) conventional resistance exercise, (ii) conventional resistance exercise followed by self-myofascial release (CEBR), (iii) eccentric-only exercise (ECC) or (iv) plyometric jumps (PLY). The non-trained leg served as control. Six hours post-exercise, vastus lateralis muscle biopsy samples were analyzed for the expression of genes associated with ECM collagen synthesis (COL1A1), matrix metallopeptidases (collagen degradation; MMPs) and peptidase inhibitors (TIMP1). Significant between-group differences were found for MMP3, MMP15 and TIMP1, with the greatest responses in MMP3 and TIMP1 seen in CEBR and in MMP15 in ECC. MMP9 (3.24–3.81-fold change) and COL1A1 (1.47–2.40-fold change) were increased in CEBR and PLY, although between-group differences were non-significant. The expression of ECM-related genes is exercise-specific, with CEBR and PLY triggering either earlier or stronger remodeling than other stimuli. Training studies will test whether execution of such exercises may help counter age-associated muscle fibrosis.
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Affiliation(s)
- Matthias Gumpenberger
- Research Unit for Orthopaedic Sports Medicine and Injury Prevention, Private University for Health Sciences, Medical Informatics and Technology, Hall 6060, Austria; (M.G.); (C.F.); (S.B.); (C.H.)
| | - Barbara Wessner
- Centre for Sport Science and University Sports, University of Vienna, Vienna 1150, Austria;
| | - Alexandra Graf
- Institute for Medical Statistics, CeMSIIS, Medical University of Vienna, Vienna 1090, Austria;
| | - Marco V. Narici
- CirMyo Myology Center, Department of Biomedical Sciences, University of Padua, 35131 Padua, Italy;
| | - Christian Fink
- Research Unit for Orthopaedic Sports Medicine and Injury Prevention, Private University for Health Sciences, Medical Informatics and Technology, Hall 6060, Austria; (M.G.); (C.F.); (S.B.); (C.H.)
- Gelenkpunkt Sports and Joint Surgery, Innsbruck 6020, Austria
| | - Sepp Braun
- Research Unit for Orthopaedic Sports Medicine and Injury Prevention, Private University for Health Sciences, Medical Informatics and Technology, Hall 6060, Austria; (M.G.); (C.F.); (S.B.); (C.H.)
- Gelenkpunkt Sports and Joint Surgery, Innsbruck 6020, Austria
| | - Christian Hoser
- Research Unit for Orthopaedic Sports Medicine and Injury Prevention, Private University for Health Sciences, Medical Informatics and Technology, Hall 6060, Austria; (M.G.); (C.F.); (S.B.); (C.H.)
- Gelenkpunkt Sports and Joint Surgery, Innsbruck 6020, Austria
| | - Anthony J. Blazevich
- Centre for Exercise and Sports Science Research (CESSR), School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA 6027, Australia;
| | - Robert Csapo
- Research Unit for Orthopaedic Sports Medicine and Injury Prevention, Private University for Health Sciences, Medical Informatics and Technology, Hall 6060, Austria; (M.G.); (C.F.); (S.B.); (C.H.)
- Correspondence: ; Tel.: +43-50-8648-3887
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Zhou K, Guo T, Xu Y, Guo R. Correlation Between Plasma Matrix Metalloproteinase-28 Levels and Severity of Calcific Aortic Valve Stenosis. Med Sci Monit 2020; 26:e925260. [PMID: 32950995 PMCID: PMC7526340 DOI: 10.12659/msm.925260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Calcific aortic valve disease is a common cardiovascular disorder worldwide. This study aimed to investigate the correlation between plasma matrix metalloproteinase-28 (MMP-28) levels and the severity of calcific aortic valve stenosis. MATERIAL AND METHODS Calcific aortic valve stenosis patients who were admitted to the heart center of our hospital between January 2016 and January 2019 to undergo surgery were successively enrolled in this study (55 males and 24 females with an average age of 58.5±9.6). Information on echocardiography, plasma MMP-28 levels, and other clinical data of the patients was retrospectively collected. RESULTS The average plasma MMP-28 level was 2.43±2.22 ng/mL (range, 0.22-8.27 ng/mL). Plasma MMP-28 levels in patients with mild (n=24), moderate (n=31), or severe (n=24) aortic valve stenosis were 0.74 (0.25-2.23), 1.46 (0.50-3.22), and 4.13 (1.54-6.18) ng/mL, respectively, indicating that the patients with severe aortic valve stenosis had significantly higher MMP-28 levels than the patients with moderate or mild aortic valve stenosis (both P<0.01). Regression analysis using the general linear model further revealed that plasma MMP-28 level was correlated with the peak blood flow velocity and mean pressure gradient of the transaortic valve, and the correlations were statistically significant (both P<0.01). CONCLUSIONS MMP-28 level is significantly elevated in severe cases of calcific aortic valve stenosis. Moreover, plasma MMP-28 levels are positively correlated with the mean pressure gradients and peak blood flow velocity of the transaortic valve.
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Affiliation(s)
- Ke Zhou
- Department of Cardiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China (mainland)
| | - Ting Guo
- Department of Anesthesiology, Huashan Hospital, Fudan University, Shanghai, China (mainland)
| | - Yawei Xu
- Department of Cardiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China (mainland)
| | - Rong Guo
- Department of Cardiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China (mainland)
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Oberlohr V, Lengel H, Hambright WS, Whitney KE, Evans TA, Huard J. Biologics for Skeletal Muscle Healing: The Role of Senescence and Platelet-Based Treatment Modalities. OPER TECHN SPORT MED 2020. [DOI: 10.1016/j.otsm.2020.150754] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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35
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Matrix metalloproteinases activation in Toxocara canis induced pulmonary pathogenesis. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2020; 54:1147-1153. [PMID: 32826193 DOI: 10.1016/j.jmii.2020.07.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 07/21/2020] [Accepted: 07/31/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Toxocara canis, a source of visceral larva migrans, causes toxocariasis and induces respiratory symptoms. The reasons by which the pulmonary pathological alteration in the lungs infected with T. canis remain unclear. METHODS The involvement of the pulmonary pathological alteration by histology, enzyme activity, and Western blot analysis in the lungs of BALB/c mice after the infection of 2000 embryonated eggs. RESULTS The pathological effects gradually increased after the infection culminated in severe leukocyte infiltration and hemorrhage from days 4-14 post-inoculation. Gelatin zymography using substrate showed that the relative activity of matrix metalloproteinase (MMP) -9 and MMP-2 significantly increased in T. canis-infected mice. Western blot analysis indicated that the MMPs protein level of fibronectin monomer significantly increased in T. canis-infected mice compared with that in uninfected control. T. canis larvae mainly initiated leukocyte infiltration and hemorrhage in the lungs. CONCLUSION These phenomena subsequently induced the activities of MMPs in parallel with the pathological changes in early stage pulmonary inflammation. In conclusion, T. canis larval migration activated the MMPs and caused pulmonary pathogenesis.
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36
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Ceafalan LC, Dobre M, Milanesi E, Niculae AM, Manole E, Gherghiceanu M, Hinescu ME. Gene expression profile of adhesion and extracellular matrix molecules during early stages of skeletal muscle regeneration. J Cell Mol Med 2020; 24:10140-10150. [PMID: 32681815 PMCID: PMC7520258 DOI: 10.1111/jcmm.15624] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/10/2020] [Accepted: 06/16/2020] [Indexed: 12/14/2022] Open
Abstract
Skeletal muscle regeneration implies the coordination of myogenesis with the recruitment of myeloid cells and extracellular matrix (ECM) remodelling. Currently, there are no specific biomarkers to diagnose the severity and prognosis of muscle lesions. In order to investigate the gene expression profile of extracellular matrix and adhesion molecules, as premises of homo‐ or heterocellular cooperation and milestones for skeletal muscle regeneration, we performed a gene expression analysis for genes involved in cellular cooperation, migration and ECM remodelling in a mouse model of acute crush injury. The results obtained at two early time‐points post‐injury were compared to a GSE5413 data set from two other trauma models. Third day post‐injury, when inflammatory cells invaded, genes associated with cell‐matrix interactions and migration were up‐regulated. After day 5, as myoblast migration and differentiation started, genes for basement membrane constituents were found down‐regulated, whereas genes for ECM molecules, macrophage, myoblast adhesion, and migration receptors were up‐regulated. However, the profile and the induction time varied according to the experimental model, with only few genes being constantly up‐regulated. Gene up‐regulation was higher, delayed and more diverse following more severe trauma. Moreover, one of the most up‐regulated genes was periostin, suggestive for severe muscle damage and unfavourable architecture restoration.
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Affiliation(s)
- Laura C Ceafalan
- Cell Biology, Neurosciences and Experimental Myology Laboratory, 'Victor Babeș' National Institute of Pathology, Bucharest, Romania.,Department of Cellular and Molecular Biology and Histology, Faculty of Medicine, 'Carol Davila' University of Medicine and Pharmacy, Bucharest, Romania
| | - Maria Dobre
- Molecular Pathology Laboratory, 'Victor Babeș' National Institute of Pathology, Bucharest, Romania
| | - Elena Milanesi
- Molecular Pathology Laboratory, 'Victor Babeș' National Institute of Pathology, Bucharest, Romania.,Radiobiology Laboratory, 'Victor Babeș' National Institute of Pathology, Bucharest, Romania
| | - Andrei M Niculae
- Department of Cellular and Molecular Biology and Histology, Faculty of Medicine, 'Carol Davila' University of Medicine and Pharmacy, Bucharest, Romania
| | - Emilia Manole
- Cell Biology, Neurosciences and Experimental Myology Laboratory, 'Victor Babeș' National Institute of Pathology, Bucharest, Romania
| | - Mihaela Gherghiceanu
- Department of Cellular and Molecular Biology and Histology, Faculty of Medicine, 'Carol Davila' University of Medicine and Pharmacy, Bucharest, Romania.,Ultrastructural Pathology Laboratory, 'Victor Babeș' National Institute of Pathology, Bucharest, Romania
| | - Mihail E Hinescu
- Cell Biology, Neurosciences and Experimental Myology Laboratory, 'Victor Babeș' National Institute of Pathology, Bucharest, Romania.,Department of Cellular and Molecular Biology and Histology, Faculty of Medicine, 'Carol Davila' University of Medicine and Pharmacy, Bucharest, Romania
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Irradiation dependent inflammatory response may enhance satellite cell engraftment. Sci Rep 2020; 10:11119. [PMID: 32632224 PMCID: PMC7338540 DOI: 10.1038/s41598-020-68098-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 05/28/2020] [Indexed: 01/07/2023] Open
Abstract
Skeletal muscle stem (satellite) cells transplanted into host mouse muscles contribute to muscle regeneration. Irradiation of host muscle enhances donor stem cell engraftment by promoting the proliferation of transplanted donor cells. We hypothesised that, similar to other systems, cells damaged by radiation might be effecting this donor cell proliferation. But we found no difference in the percentage of dying (TUNEL+) cells in immunodeficient dystrophic mouse muscles at the times after the irradiation dose that enhances donor cell engraftment. Similarly, irradiation did not significantly increase the number of TUNEL+ cells in non-dystrophic immunodeficient mouse muscles and it only slightly enhanced donor satellite cell engraftment in this mouse strain, suggesting either that the effector cells are present in greater numbers within dystrophic muscle, or that an innate immune response is required for effective donor cell engraftment. Donor cell engraftment within non-irradiated dystrophic host mouse muscles was not enhanced if they were transplanted with either satellite cells, or myofibres, derived from irradiated dystrophic mouse muscle. But a mixture of cells from irradiated muscle transplanted with donor satellite cells promoted donor cell engraftment in a few instances, suggesting that a rare, yet to be identified, cell type within irradiated dystrophic muscle enhances the donor stem cell-mediated regeneration. The mechanism by which cells within irradiated host muscle promote donor cell engraftment remains elusive.
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38
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Brightwell CR, Hanson ME, El Ayadi A, Prasai A, Wang Y, Finnerty CC, Fry CS. Thermal injury initiates pervasive fibrogenesis in skeletal muscle. Am J Physiol Cell Physiol 2020; 319:C277-C287. [PMID: 32432932 DOI: 10.1152/ajpcell.00337.2019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Severe burn injury induces a myriad of deleterious effects to skeletal muscle, resulting in impaired function and delayed recovery. Following burn, catabolic signaling and myofiber atrophy are key fiber-intrinsic determinants of weakness; less well understood are alterations in the interstitial environment surrounding myofibers. Muscle quality, specifically alterations in the extracellular matrix (ECM), modulates force transmission and strength. We sought to determine the impact of severe thermal injury on adaptation to the muscle ECM and quantify muscle fibrotic burden. After a 30% total body surface area dorsal burn, spinotrapezius muscle was harvested from mice at 7 (7d, n = 5), 14 (14d, n = 4), and 21 days (21d, n = 4), and a sham control group was also examined (Sham, n = 4). Expression of transforming growth factor-β (TGFβ), myostatin, and downstream effectors and proteases involved in fibrosis and collagen remodeling were measured by immunoblotting, and immunohistochemical and biochemical analyses assessed fibrogenic cell abundance and collagen deposition. Myostatin signaling increased progressively through 21 days postburn alongside fibrogenic/adipogenic progenitor cell expansion, with abundance peaking at 14 days postburn. Postburn, elevated expression of tissue inhibitor of matrix metalloproteinase 1 supported collagen remodeling resulting in a net accumulation of muscle collagen content. Collagen accumulation peaked at 14 days postburn but remained elevated through 21 days postburn, demonstrating minimal resolution of burn-induced fibrosis. These findings highlight a progressive upregulation of fibrogenic processes following burn injury, eliciting a fibrotic muscle phenotype that hinders regenerative capacity and is not resolved with 21 days of recovery.
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Affiliation(s)
- Camille R Brightwell
- Cell Biology Graduate Program, University of Texas Medical Branch, Galveston, Texas.,Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, Kentucky.,Center for Muscle Biology, University of Kentucky, Lexington, Kentucky
| | - Madeline E Hanson
- Department of Nutrition and Metabolism, University of Texas Medical Branch, Galveston, Texas
| | - Amina El Ayadi
- Department of Surgery, University of Texas Medical Branch, Galveston, Texas.,Shriners Hospitals for Children, Galveston, Texas
| | - Anesh Prasai
- Department of Surgery, University of Texas Medical Branch, Galveston, Texas.,Shriners Hospitals for Children, Galveston, Texas
| | - Ye Wang
- Department of Surgery, University of Texas Medical Branch, Galveston, Texas.,Shriners Hospitals for Children, Galveston, Texas
| | - Celeste C Finnerty
- Department of Surgery, University of Texas Medical Branch, Galveston, Texas.,Shriners Hospitals for Children, Galveston, Texas
| | - Christopher S Fry
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, Kentucky.,Center for Muscle Biology, University of Kentucky, Lexington, Kentucky.,Shriners Hospitals for Children, Galveston, Texas
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Irgm1 knockout indirectly inhibits regeneration after skeletal muscle injury in mice. Int Immunopharmacol 2020; 84:106515. [PMID: 32311672 DOI: 10.1016/j.intimp.2020.106515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/13/2020] [Accepted: 04/13/2020] [Indexed: 11/24/2022]
Abstract
Immunity-related GTPase family M1 protein (lRGM1) plays an important role in host resistance to infection, immune inflammation, and tumors, and it is expressed in various tissues and cells, including the central nervous system, cardiovascular system, bone marrow-derived cells, glioma, and melanoma. However, the effect of IRGM1 in the muscles has not been reported to date. In this study, Irgm1-/- mice were used to evaluate the effect of lrgm1 on regeneration after skeletal muscle injury. The tibialis anterior muscle in Irgm1-/- mice was poorly repaired after BaCl2-induced injury, whereas lrgm1 knockout itself had no significant effect on the differentiation of myoblasts. However, the microenvironment of Irgm1-/- mice with a high interferon-gamma level inhibited the differentiation of myoblasts in vivo. These results suggest that lrgm1 knockout indirectly inhibits skeletal muscle regeneration after injury, providing new insights into the biological function of IRGM1.
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40
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He M, Pang J, Sun H, Zheng G, Lin Y, Ge W. P14ARF inhibits regional inflammation and vascularization in intervertebral disc degeneration by upregulating TIMP3. Am J Physiol Cell Physiol 2020; 318:C751-C761. [PMID: 32023075 DOI: 10.1152/ajpcell.00271.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this study, we identified P14 alternate reading frame (P14ARF) as a novel regulator of inflammation and vascularization in intervertebral disk degeneration (IVDD). We collected IVD tissues from IVDD patients and normal individuals for analysis of P14ARF expression. We also induced experimental IVDD by needle puncture injuries in the caudal intervertebral disks of Sprague-Dawley (SD) rats and achieved recombinant adenovirus-mediated P14ARF overexpression in experimental IVDD rats. Regulation relationships between P14ARF and tissue inhibitors of metalloproteinases-3 (TIMP3) were confirmed in P14ARF-overexpressed and TIMP3-depleted nucleus pulposus (NP) cells. Tube formation in vitro was evaluated in coculture systems of human umbilical vein endothelial cells (HUVECs) and rat degenerated NP cells (DNPCs). Inflammatory response was assessed from levels of TNF-α, IL-1β, and IL-6 and neovascularization from expression of endothelial growth factor (VEGF). The P14ARF and TIMP3 were downregulated in degenerated IVD tissue derived from patients and experimental IVDD rats. Overexpressed P14ARF suppressed inflammatory cytokine levels and vascularization. There was decreased in vitro tube formation in response to P14ARF overexpression and TIMP3 elevation. Finally, attenuated inflammatory responses and suppression of VEGF were achieved by P14ARF-mediated promotion of TIMP3 in rat DNPCs. Taken together, the present study reveals that P14ARF/TIMP3 modulation of inflammatory response and vascularization in the context of IVDD highlights a potential target for future therapeutic strategies.
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Affiliation(s)
- Mingwei He
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Jinlei Pang
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Haiyan Sun
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, People’s Republic of China
| | - Guanrong Zheng
- Department of Pain, Shengli Oilfield Central Hospital, Dongying, People’s Republic of China
| | - Yan Lin
- Department of Pain, Shengli Oilfield Central Hospital, Dongying, People’s Republic of China
| | - Weipeng Ge
- Department of Pain, Shengli Oilfield Central Hospital, Dongying, People’s Republic of China
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Sakata S, Kunimatsu R, Tsuka Y, Nakatani A, Hiraki T, Gunji H, Hirose N, Yanoshita M, Putranti NAR, Tanimoto K. High-Frequency Near-Infrared Diode Laser Irradiation Attenuates IL-1β-Induced Expression of Inflammatory Cytokines and Matrix Metalloproteinases in Human Primary Chondrocytes. J Clin Med 2020; 9:jcm9030881. [PMID: 32213810 PMCID: PMC7141534 DOI: 10.3390/jcm9030881] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 03/15/2020] [Indexed: 01/15/2023] Open
Abstract
High-frequency near-infrared diode laser provides a high-peak output, low-heat accumulation, and efficient biostimulation. Although these characteristics are considered suitable for osteoarthritis (OA) treatment, the effect of high-frequency near-infrared diode laser irradiation in in vitro or in vivo OA models has not yet been reported. Therefore, we aimed to assess the biological effects of high-frequency near-infrared diode laser irradiation on IL-1β-induced chondrocyte inflammation in an in vitro OA model. Normal Human Articular Chondrocyte-Knee (NHAC-Kn) cells were stimulated with human recombinant IL-1β and irradiated with a high-frequency near-infrared diode laser (910 nm, 4 or 8 J/cm2). The mRNA and protein expression of relevant inflammation- and cartilage destruction-related proteins was analyzed. Interleukin (IL) -1β treatment significantly increased the mRNA levels of IL-1β, IL-6, tumor necrosis factor (TNF) -α, matrix metalloproteinases (MMP) -1, MMP-3, and MMP-13. High-frequency near-infrared diode laser irradiation significantly reduced the IL-1β-induced expression of IL-1β, IL-6, TNF-α, MMP-1, and MMP-3. Similarly, high-frequency near-infrared diode laser irradiation decreased the IL-1β-induced increase in protein expression and secreted levels of MMP-1 and MMP-3. These results highlight the therapeutic potential of high-frequency near-infrared diode laser irradiation in OA.
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Affiliation(s)
| | - Ryo Kunimatsu
- Correspondence: ; Tel.: +81-82-257-5686; Fax: +81-82-257-5687
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Modulation of Monocyte-Driven Myositis in Alphavirus Infection Reveals a Role for CX 3CR1 + Macrophages in Tissue Repair. mBio 2020; 11:mBio.03353-19. [PMID: 32127460 PMCID: PMC7064784 DOI: 10.1128/mbio.03353-19] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Arthritogenic alphaviruses cause debilitating inflammatory disease, and current therapies are restricted to palliative approaches. Here, we show that following monocyte-driven muscle inflammation, tissue recovery is associated with the accumulation of CX3CR1+ macrophages in the muscle. Modulating inflammatory monocyte infiltration using immune-modifying microparticles (IMP) reduced tissue damage and inflammation and enhanced the formation of tissue repair-associated CX3CR1+ macrophages in the muscle. This shows that modulating key effectors of viral inflammation using microparticles can alter the outcome of disease by facilitating the accumulation of macrophage subsets associated with tissue repair. Arthritogenic alphaviruses such as Ross River and Chikungunya viruses cause debilitating muscle and joint pain and pose significant challenges in the light of recent outbreaks. How host immune responses are orchestrated after alphaviral infections and lead to musculoskeletal inflammation remains poorly understood. Here, we show that myositis induced by Ross River virus (RRV) infection is driven by CD11bhi Ly6Chi inflammatory monocytes and followed by the establishment of a CD11bhi Ly6Clo CX3CR1+ macrophage population in the muscle upon recovery. Selective modulation of CD11bhi Ly6Chi monocyte migration to infected muscle using immune-modifying microparticles (IMP) reduced disease score, tissue damage, and inflammation and promoted the accumulation of CX3CR1+ macrophages, enhancing recovery and resolution. Here, we detail the role of immune pathology, describing a poorly characterized muscle macrophage subset as part of the dynamics of alphavirus-induced myositis and tissue recovery and identify IMP as an effective immunomodulatory approach. Given the lack of specific treatments available for alphavirus-induced pathologies, this study highlights a therapeutic potential for simple immune modulation by IMP in infected individuals in the event of large alphavirus outbreaks.
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Mechanisms regulating myoblast fusion: A multilevel interplay. Semin Cell Dev Biol 2020; 104:81-92. [PMID: 32063453 DOI: 10.1016/j.semcdb.2020.02.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/07/2020] [Accepted: 02/08/2020] [Indexed: 02/07/2023]
Abstract
Myoblast fusion into myotubes is one of the crucial steps of skeletal muscle development (myogenesis). The fusion is preceded by specification of a myogenic lineage (mesodermal progenitors) differentiating into myoblasts and is followed by myofiber-type specification and neuromuscular junction formation. Similarly to other processes of myogenesis, the fusion requires a very precise spatial and temporal regulation occuring both during embryonic development as well as regeneration and repair of the muscle. A plethora of genes and their products is involved in regulation of myoblast fusion and a precise multilevel interplay between them is crucial for myogenic cells to fuse. In this review, we describe both cellular events taking place during myoblast fusion (migration, adhesion, elongation, cell-cell recognition, alignment, and fusion of myoblast membranes enabling formation of myotubes) as well as recent findings on mechanisms regulating this process. Also, we present muscle disorders in humans that have been associated with defects in genes involved in regulation of myoblast fusion.
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Long J, Liu M, Liu S, Tang F, Tan W, Xiao T, Chu C, Yang J. H2S attenuates the myocardial fibrosis in diabetic rats through modulating PKC-ERK1/2MAPK signaling pathway. Technol Health Care 2020; 27:307-316. [PMID: 31045549 PMCID: PMC6598001 DOI: 10.3233/thc-199029] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
OBJECTIVE To investigate the roles and underlying mechanism of exogenous H2S (hydrogen sulfide) in attenuating the myocardial fibrosis in diabetic rats. METHODS: A total of 40 SD rats were randomly divided into 4 groups: control group, STZ group, STZ + H2S group and H2S group. To build the DM rat model , the rats in the STZ group and STZ + H2S group were injected streptozotocin (STZ) intraperitoneally, While the rats in the STZ + H2S group and the H2S group received sodium hydrosulfide (NaHS), which provides exogenous H2S. Eight weeks later, the myocardial tissues of rats were used to detecting the collagen deposition through Masson staining, as well as some protein expressions related to myocardial fibrosis and signaling pathway by western blotting. RESULTS: Comparing to control group, the collagen deposition of myocardial matrix remarkably increased in the STZ group, and almost all the proteins that are relative to myocardial fibrosis, inflammatory and signaling pathway show an overexpression, except for PPARG and NF-κBp65. When Compared with the STZ group, the collagen deposition was obviously attenuated in STZ + H2S group, as well as the protein expressions above-mentioned, While PPARG was up-regulated. CONCLUSION: The myocardial fibrosis in DM rats can be attenuated effectively by exogenous H2S, and the underlying mechanism is likely to regulating PKC-ERK1/2MAPK signaling pathway, improving the MMPs/TIMPs expression dysregulation and inhibiting inflammatory reaction.
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Affiliation(s)
- Junrong Long
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China.,Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Maojun Liu
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Shengquan Liu
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Feng Tang
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Wenting Tan
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Ting Xiao
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Chun Chu
- Department of Pharmacy, The Second Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Jun Yang
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
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Panayi AC, Smit L, Hays N, Udeh K, Endo Y, Li B, Sakthivel D, Tamayol A, Neppl RL, Orgill DP, Nuutila K, Sinha I. A porous collagen-GAG scaffold promotes muscle regeneration following volumetric muscle loss injury. Wound Repair Regen 2019; 28:61-74. [PMID: 31603580 DOI: 10.1111/wrr.12768] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 09/03/2019] [Accepted: 09/20/2019] [Indexed: 12/13/2022]
Abstract
Volumetric muscle loss (VML) is a segmental loss of skeletal muscle which commonly heals with fibrosis, minimal muscle regeneration, and loss of muscle strength. Treatment options for these wounds which promote functional recovery are currently lacking. This study was designed to investigate whether the collagen-GAG scaffold (CGS) promotes functional muscle recovery following VML. A total of 66 C57/Bl6 mice were used in a three-stage experiment. First, 24 animals were split into three groups which underwent sham injury or unilateral quadriceps VML injury with or without CGS implantation. Two weeks post-surgery, muscle was harvested for histological and gene expression analysis. In the second stage, 18 mice underwent bilateral quadriceps VML injury, followed by weekly functional testing using a treadmill. In the third stage, 24 mice underwent sham or bilateral quadriceps VML injury with or without CGS implantation, with tissue harvested six weeks post-surgery for histological and gene expression analysis. VML mice treated with CGS demonstrated increased remnant fiber hypertrophy versus both the VML with no CGS and uninjured groups. Both VML groups showed greater muscle fiber hypertrophy than non-injured muscle. This phenomenon was still evident in the longer-term experiment. The gene array indicated that the CGS promoted upregulation of factors involved in promoting wound healing and regeneration. In terms of functional improvement, the VML mice treated with CGS ran at higher maximum speeds than VML without CGS. A CGS was shown to enhance muscle hypertrophy in response to VML injury with a resultant improvement in functional performance. A gene array highlighted increased gene expression of multiple growth factors following CGS implantation. This suggests that implantation of a CGS could be a promising treatment for VML wounds.
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Affiliation(s)
- Adriana C Panayi
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Lucindi Smit
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Nicole Hays
- University of Maryland School of Medicine, Baltimore, Maryland
| | - Kodi Udeh
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Yori Endo
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Bin Li
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Dharaniya Sakthivel
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Ali Tamayol
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, Nebraska
| | - Ronald L Neppl
- Department of Orthopedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Dennis P Orgill
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Kristo Nuutila
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Indranil Sinha
- Division of Plastic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
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Abduch TF, da Silva PAV, de Souza ÁC, Dos Anjos LMJ, de Souza da Fonseca A, de Paoli F. Evaluation of metalloproteinases-2, -9, and -13 post photobiomodulation in mice talocrural joint. Lasers Med Sci 2019; 35:633-640. [PMID: 31420795 DOI: 10.1007/s10103-019-02860-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 08/09/2019] [Indexed: 11/29/2022]
Abstract
The extracellular matrix (ECM) is the main constituent of connective tissue with structural and regulatory functions, stimulating cell differentiation and proliferation. Moreover, ECM is a dynamic structure in the constant remodeling process, which is controlled by a balance between metalloproteinases (MMPs) and their inhibitors (TIMPs). Photobiomodulation (PBM) is widely described in the literature and applied in clinical practices, although its effects on ECM have not yet been elucidated. Therefore, it was evaluated if PBM could alter ECM components, such as MMP-2, -9, -13, and TIMP-2 from mice talocrural joints. Mice were divided into 3 groups (n = 6): control, PBM 3 J cm-2, and PBM 30 J cm-2. A low-level laser (830 nm, 10 mW, 0.05 irradiated area, energy densities 3 J cm-2 and 30 J cm-2, the irradiation time of 15 and 150 s, respectively, continuous wave) was applied on the joint for 4 consecutive days. mRNA levels of metalloproteinases genes (MMP-2, MMP-9, and MMP-13), their regulator (TIMP-2), and protein expressions of MMP-13 and TIMP-2 were quantified. PBM can alter only mRNA relative levels of MMP-2 at 30 J cm-2 (p < 0.05), while MMP-9, MMP-13, and TIMP-2 mRNA relative levels did not demonstrate statistical differences for any of the groups (p > 0.05). Regarding protein expressions, MMP-13 demonstrated positive-labeled cells, only in articular cartilage, although the cell quantification did not demonstrate statistical differences when compared with the control group (p > 0.05). TIMP-2 did not present positive-labeled cells for any tissues evaluated. Our results indicate that PBM can alter MMP-2 mRNA relative level but cannot alter MMP-9, MMP-13, and TIMP mRNA relative levels. Moreover, both MMP-13 and TIMP-2 proteins were also unaltered after PBM.
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Affiliation(s)
- Thais Fraga Abduch
- Departamento de Fisioterapia, Faculdade de Ciências Médicas e da Saúde (SUPREMA), Alameda Salvaterra, n° 200, Bairro Salvaterra, Juiz de Fora, Minas Gerais, 36033003, Brazil.
| | | | - Álvaro Carneiro de Souza
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, s/n-Campus Universitário, São Pedro, Juiz de Fora, Minas Gerais, 36036900, Brazil
| | - Lúcia Mara Januário Dos Anjos
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, s/n-Campus Universitário, São Pedro, Juiz de Fora, Minas Gerais, 36036900, Brazil
| | - Adenilson de Souza da Fonseca
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Avenida 28 de Setembro, 87, Vila Isabel, Rio de Janeiro, 20551-030, Brazil.,Departamento de Ciências Fisiológicas, Instituto Biomédico, Universidade Federal do Estado do Rio de Janeiro, Rua Frei Caneca, 94, São Paulo, Rio de Janeiro, 20211040, Brazil.,Centro de Ciências da Saúde, Centro Universitário Serra dos Órgãos, Avenida Alberto Torres 111, Teresópolis, Rio de Janeiro, 25964004, Brazil
| | - Flávia de Paoli
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, s/n-Campus Universitário, São Pedro, Juiz de Fora, Minas Gerais, 36036900, Brazil
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47
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Baskaran R, Ko UJ, Davaa E, Park JE, Jiang Y, Lee J, Yang SG. Doxycycline-Eluting Core-Shell Type Nanofiber-Covered Trachea Stent for Inhibition of Cellular Metalloproteinase and Its Related Fibrotic Stenosis. Pharmaceutics 2019; 11:pharmaceutics11080421. [PMID: 31430987 PMCID: PMC6723391 DOI: 10.3390/pharmaceutics11080421] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 08/04/2019] [Accepted: 08/14/2019] [Indexed: 12/13/2022] Open
Abstract
In this study, we fabricated a doxycycline (doxy)-eluting nanofiber-covered endotracheal stent for the prevention of stent intubation-related tissue fibrosis and re-stenosis. The nanofiber was deposited directly on the outer surface of the stent using a coaxial electrospinning method to form a doxy-eluting cover sleeve. Poly(d,l-lactide) was used as the shell-forming polymer and dedicated drug release-control membrane. Polyurethane was selected as the drug-loading core polymer. The compositional ratio of the core to shell was adjusted to 1:0, 1:2, and 1:4 by changing the electro-spray rate of each polymeric solution and microscopic observation of nanofibers using scanning electron microscopy (SEM), transmission electron microscopy (TEM), and the fluorescence microscopy proved core-shell structure of nanofibers. The in vitro release study suggested that the release of doxy could be controlled by increasing the compositional ratio of the shell. The growth of HT1080 fibrosarcoma cells was inhibited by the 10% doxy-containing nanofiber. The real-time polymerase chain reaction (PCR) in HT1080 cells and xenografted tissue models indicated that the doxy-releasing nanofiber inhibited mRNA expression of metalloproteinases (MT1-MMP, MMP-2, and MMP-9). Overall, our study demonstrates that a doxy-eluting core-shell nanofiber stent can be successfully fabricated using coaxial electrospinning and displays the potential to prevent fibrotic re-stenosis, which is the most problematic clinical complication of tracheal stent intubation.
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Affiliation(s)
- Rengarajan Baskaran
- Department of Biomedical Science, Inha University College of Medicine, Incheon 22332, Korea
| | - Un-Jeong Ko
- Department of Biomedical Science, Inha University College of Medicine, Incheon 22332, Korea
| | - Enkhzaya Davaa
- Department of Biomedical Science, Inha University College of Medicine, Incheon 22332, Korea
| | - Ji Eun Park
- Department of Biomedical Science, Inha University College of Medicine, Incheon 22332, Korea
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea
| | - Yixin Jiang
- Department of Biomedical Science, Inha University College of Medicine, Incheon 22332, Korea
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea
| | - Junghan Lee
- Department of Biomedical Science, Inha University College of Medicine, Incheon 22332, Korea
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea
| | - Su-Geun Yang
- Department of Biomedical Science, Inha University College of Medicine, Incheon 22332, Korea.
- Inha Institute of Aerospace Medicine, Inha University College of Medicine, Incheon 22332, Korea.
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48
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Identification of fibrinogen as a natural inhibitor of MMP-2. Sci Rep 2019; 9:4340. [PMID: 30867536 PMCID: PMC6416301 DOI: 10.1038/s41598-019-40983-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 02/14/2019] [Indexed: 02/07/2023] Open
Abstract
Non-genetic MMP-2 insufficiency is a relatively unexplored condition which could be induced by pathological overexpression of endogenous MMP-2 inhibitors such as TIMPs and/or the acute phase reactant alpha-2-macroglobulin. Here, we investigate the hypothesis that human fibrinogen (FBG) – an acute phase reactant – inhibits human MMP-2. Following an unexpected observation where sera from human donors including arthritis patients with increased levels of serum FBG exhibited reduced binding of serum proMMP-2 to gelatin, we found that human FBG (0 to 3.6 mg/mL i.e., 0 to 10.6 μM) concentration-dependently inhibited human proMMP-2 and MMP2 from binding to gelatin. Moreover, at normal physiological concentrations, FBG (5.29–11.8 μM) concentration-dependently inhibited (40–70% inhibition) the cleavage of fluorescein-conjugated gelatin by MMP-2, but not MMP-9. Indicative of a mixed-type (combination of competitive and non-competitive) inhibition mechanism, FBG reduced the Vmax (24.9 ± 0.7 min−1 to 17.7 ± 0.9 min−1, P < 0.05) and increased the Michaelis-Menten constant KM (204 ± 6 nM to 478 ± 50 nM, P < 0.05) for the reaction of MMP-2 cleavage of fluorescein-conjugated gelatin. In silico analyses and studies of FBG neutralization with anti-FBG antibodies implicated the domains D and E of FBG in the inhibition of MMP-2. In conclusion, FBG is a natural selective MMP-2 inhibitor, whose pathological elevation could lead to MMP-2 insufficiency in humans.
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Chong K, Kwon WK, Kim JH, Park YK, Yoon W, Kim JH, Kwon TH, Moon HJ. Inflammation by activated macrophage-like THP-1 cells increases human dura mater cell adhesion with alteration of integrin α 2 β 1 and matrix metalloproteinase. J Orthop Res 2019; 37:706-716. [PMID: 30561137 DOI: 10.1002/jor.24207] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 12/06/2018] [Indexed: 02/04/2023]
Abstract
This study was designed to investigate (i) extracellular matrix to specify adhesive substrates to human dura mater cell (hDMC); (ii) the alteration on adhesion-related molecules in hDMC; and (iii) secreted matrix metalloproteinases (MMPs) linked with extracellular matrix remodeling after exposure to inflammation. The hDMC was cultured from human dura mater tissue, and the studies were performed with hDMC after co-culturing with macrophage like THP-1 cells (Mϕ). The adhesion of co-cultured hDMC through collagen I increased 6.4-fold and through collagen IV increased 5.0-fold compared with the adhesion of naïve cells (p < 0.001). Integrin subtype α2 β1 expression was increased 6.3-fold (p < 0.001) and α1 expression was decreased 2.0-fold (p < 0.001) in the co-cultured cells compared with the naïve cells. Co-culturing induced significant increases in MMP-1 (13.9-fold, p < 0.01), MMP-3 (7.6-fold, p < 0.01), and VEGF (VEGF: 3.8-fold, p < 0.05) expression and decreases in MMP-9 (0.1-fold, p < 0.01) compared with the sum of naïve hDMC and Mϕ values. Increased hDMC adhesion under inflammatory conditions is caused by an increased cellular affinity for collagen I and IV mediated by increased hDMC levels of integrin subtype α2 β1 and environmental MMP-1, -3 and decreased MMP-9. Selective integrin subtype α2 β1 inhibition assay showed 37.8% and 35.7% reduction in adhesion of co-cultured hDMC to collagen I (p < 0.001) and IV (p = 0.057), respectively. The present study provides insight into the pathological conditions related to dura mater adhesion in inflammation. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 9999:1-11, 2019.
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Affiliation(s)
- Kyuha Chong
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Woo-Keun Kwon
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.,Spine Center, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Joo Han Kim
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.,Spine Center, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Youn-Kwan Park
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.,Spine Center, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Wonki Yoon
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Jong Hyun Kim
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Taek-Hyun Kwon
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Hong Joo Moon
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.,Spine Center, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
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50
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Stage-dependent cardiac regeneration in Xenopus is regulated by thyroid hormone availability. Proc Natl Acad Sci U S A 2019; 116:3614-3623. [PMID: 30755533 DOI: 10.1073/pnas.1803794116] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Despite therapeutic advances, heart failure is the major cause of morbidity and mortality worldwide, but why cardiac regenerative capacity is lost in adult humans remains an enigma. Cardiac regenerative capacity widely varies across vertebrates. Zebrafish and newt hearts regenerate throughout life. In mice, this ability is lost in the first postnatal week, a period physiologically similar to thyroid hormone (TH)-regulated metamorphosis in anuran amphibians. We thus assessed heart regeneration in Xenopus laevis before, during, and after TH-dependent metamorphosis. We found that tadpoles display efficient cardiac regeneration, but this capacity is abrogated during the metamorphic larval-to-adult switch. Therefore, we examined the consequence of TH excess and deprivation on the efficiently regenerating tadpole heart. We found that either acute TH treatment or blocking TH production before resection significantly but differentially altered gene expression and kinetics of extracellular matrix components deposition, and negatively impacted myocardial wall closure, both resulting in an impeded regenerative process. However, neither treatment significantly influenced DNA synthesis or mitosis in cardiac tissue after amputation. Overall, our data highlight an unexplored role of TH availability in modulating the cardiac regenerative outcome, and present X. laevis as an alternative model to decipher the developmental switches underlying stage-dependent constraint on cardiac regeneration.
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