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Barberini R, Luglio A, De Fanti A, Iughetti L, Trombetta A. Adolescent with an abrupt onset of muscle pain and fever. Arch Dis Child Educ Pract Ed 2024; 109:205-207. [PMID: 38789244 DOI: 10.1136/archdischild-2024-326878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024]
Affiliation(s)
- Riccardo Barberini
- Medical and Surgical Sciences of Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Antonella Luglio
- Pediatrics, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | | | - Lorenzo Iughetti
- Medical and Surgical Sciences of Mother, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
- Policlinico di Modena, Modena, Italy
| | - Andrea Trombetta
- Pediatrics, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
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2
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Suhail D, Smith O, Lim P, Chintapatla S. Total Thickness Bilateral Rupture of the Rectus Abdominis: A Case Report and Literature Review. Case Rep Surg 2024; 2024:8868853. [PMID: 39015134 PMCID: PMC11251788 DOI: 10.1155/2024/8868853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/06/2023] [Accepted: 06/21/2024] [Indexed: 07/18/2024] Open
Abstract
Rupture of the rectus abdominis is a rare condition. We describe the case of a young male trainee paratrooper who presented with sudden onset severe lower abdominal pain that occurred during military training. Magnetic resonance imaging revealed full-thickness bilateral rupture of the rectus abdominis. Our management involved injecting botulinum toxin into the rectus muscles preoperatively, reconstructing the rectus muscles, and placing a supportive biosynthetic mesh. Postoperatively, our patient could walk pain-free at 3 weeks, jog pain-free at 10 weeks, and run up to 2 miles at 25 weeks. As there is no consensus on the management of this rare injury, we conducted a literature review on all cases reporting rupture of the rectus abdominis from the year 2000. After comparing the outcomes of conservatively versus surgically managed patients, we can conclude that generally, management of such defects is dependent on size, severity, and patient factors; however, surgical treatment yields comparable results to conservative treatment.
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Affiliation(s)
- Dernas Suhail
- Hull York Medical SchoolUniversity of York, University Rd, York, UK
| | - Olivia Smith
- York Abdominal Wall UnitYork Teaching Hospital, Wigginton Road, York, UK
| | - Philip Lim
- York Abdominal Wall UnitYork Teaching Hospital, Wigginton Road, York, UK
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3
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Bao Y, Tong C, Xiong X. CXCL3: A key player in tumor microenvironment and inflammatory diseases. Life Sci 2024; 348:122691. [PMID: 38714265 DOI: 10.1016/j.lfs.2024.122691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/14/2024] [Accepted: 05/03/2024] [Indexed: 05/09/2024]
Abstract
CXCL3 (C-X-C Motif Chemokine 3), a member of the C-X-C chemokine subfamily, operates as a potent chemoattractant for neutrophils, thereby orchestrating the recruitment and migration of leukocytes alongside eliciting an inflammatory response. Recent inquiries have shed light on the pivotal roles of CXCL3 in the context of carcinogenesis. In the tumor microenvironment, CXCL3 emanating from both tumor and stromal cells intricately modulates cellular behaviors through autocrine and paracrine actions, primarily via interaction with its receptor CXCR2. Activation of signaling cascades such as ERK/MAPK, AKT, and JAK2/STAT3 underscores CXCL3's propensity to favor tumorigenic processes. However, CXCL3 exhibits dualistic behaviors, as evidenced by its capacity to exert anti-tumor effects under specific conditions. Additionally, the involvement of CXCL3 extends to inflammatory disorders like eclampsia, obesity, and asthma. This review encapsulates the structural attributes, biological functionalities, and molecular underpinnings of CXCL3 across both tumorigenesis and inflammatory diseases.
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Affiliation(s)
- Yuxuan Bao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330031, China; Queen Mary School of Nanchang University, Nanchang 330006, China
| | - Chang Tong
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330031, China
| | - Xiangyang Xiong
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang 330031, China; Province Key Laboratory of Tumor Pathogens and Molecular Pathology, Nanchang University, Nanchang 330006, China.
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4
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Luo W, Zhang H, Wan R, Cai Y, Liu Y, Wu Y, Yang Y, Chen J, Zhang D, Luo Z, Shang X. Biomaterials-Based Technologies in Skeletal Muscle Tissue Engineering. Adv Healthc Mater 2024; 13:e2304196. [PMID: 38712598 DOI: 10.1002/adhm.202304196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 04/26/2024] [Indexed: 05/08/2024]
Abstract
For many clinically prevalent severe injuries, the inherent regenerative capacity of skeletal muscle remains inadequate. Skeletal muscle tissue engineering (SMTE) seeks to meet this clinical demand. With continuous progress in biomedicine and related technologies including micro/nanotechnology and 3D printing, numerous studies have uncovered various intrinsic mechanisms regulating skeletal muscle regeneration and developed tailored biomaterial systems based on these understandings. Here, the skeletal muscle structure and regeneration process are discussed and the diverse biomaterial systems derived from various technologies are explored in detail. Biomaterials serve not merely as local niches for cell growth, but also as scaffolds endowed with structural or physicochemical properties that provide tissue regenerative cues such as topographical, electrical, and mechanical signals. They can also act as delivery systems for stem cells and bioactive molecules that have been shown as key participants in endogenous repair cascades. To achieve bench-to-bedside translation, the typical effect enabled by biomaterial systems and the potential underlying molecular mechanisms are also summarized. Insights into the roles of biomaterials in SMTE from cellular and molecular perspectives are provided. Finally, perspectives on the advancement of SMTE are provided, for which gene therapy, exosomes, and hybrid biomaterials may hold promise to make important contributions.
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Affiliation(s)
- Wei Luo
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Hanli Zhang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Renwen Wan
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yuxi Cai
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yinuo Liu
- The Second Clinical Medical College of Nanchang University, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 330006, P. R. China
| | - Yang Wu
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Yimeng Yang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Jiani Chen
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, 999077, Hong Kong
| | - Zhiwen Luo
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
| | - Xiliang Shang
- Department of Sports Medicine Huashan Hospital, Fudan University, Shanghai, 200040, P. R. China
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Bayrak A, Ergene MC, Ceylan M. Thermography method under the influence of exercise in the detection of muscle injuries: Sartorius muscle case report. J Bodyw Mov Ther 2024; 39:109-115. [PMID: 38876613 DOI: 10.1016/j.jbmt.2024.02.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 12/02/2023] [Accepted: 02/25/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND The aim of this study was to determine the level of participation in the training of the athlete who applied to the clinic with pain by infrared thermography. Symptoms of sartorius muscle (SM) injury are like rectus femoris injuries. CASE SCENARIO Grade I SM injury of a 23-year-old male football player was determined by thermographic diagnosis. Taking a resting thermal image before the training of the player reported a pain in the upper thigh region. OUTCOMES Since both legs were equally loaded, in accordance with the method we developed, the thermal image was taken again after a 10-min cycling program with 30-40% resistance. The heat maps of legs seen in the pre- and post-training images were analyzed. There was no asymmetrical finding indicating injury in the resting thermographic evaluation, but asymmetric findings showing the injury in the region of SM were obtained in the repeated thermographic imaging after the 10-min cycling program. Grade I SM injury was detected by MRI afterwards. CONCLUSION Even if there is no sign of asymmetry in the resting thermography of football players having signs of pain, the injured muscle should be provoked with a safe exercise program and the thermal image should be retaken.
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Affiliation(s)
- Ahmet Bayrak
- Selcuk University, Vocational School of Health Science, Konya, Turkey
| | - Mehmet Celalettin Ergene
- Konya Technical University, Engineering Faculty, Department of Electrical - Electronics Engineering, Konya, Turkey.
| | - Murat Ceylan
- Konya Technical University, Engineering Faculty, Department of Electrical - Electronics Engineering, Konya, Turkey; AIVISIONTECH Elektronik Yazılım A.Ş., Konya, Turkey
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Haase M, Comlekoglu T, Petrucciani A, Peirce SM, Blemker SS. Agent-based model demonstrates the impact of nonlinear, complex interactions between cytokinces on muscle regeneration. eLife 2024; 13:RP91924. [PMID: 38828844 PMCID: PMC11147512 DOI: 10.7554/elife.91924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024] Open
Abstract
Muscle regeneration is a complex process due to dynamic and multiscale biochemical and cellular interactions, making it difficult to identify microenvironmental conditions that are beneficial to muscle recovery from injury using experimental approaches alone. To understand the degree to which individual cellular behaviors impact endogenous mechanisms of muscle recovery, we developed an agent-based model (ABM) using the Cellular-Potts framework to simulate the dynamic microenvironment of a cross-section of murine skeletal muscle tissue. We referenced more than 100 published studies to define over 100 parameters and rules that dictate the behavior of muscle fibers, satellite stem cells (SSCs), fibroblasts, neutrophils, macrophages, microvessels, and lymphatic vessels, as well as their interactions with each other and the microenvironment. We utilized parameter density estimation to calibrate the model to temporal biological datasets describing cross-sectional area (CSA) recovery, SSC, and fibroblast cell counts at multiple timepoints following injury. The calibrated model was validated by comparison of other model outputs (macrophage, neutrophil, and capillaries counts) to experimental observations. Predictions for eight model perturbations that varied cell or cytokine input conditions were compared to published experimental studies to validate model predictive capabilities. We used Latin hypercube sampling and partial rank correlation coefficient to identify in silico perturbations of cytokine diffusion coefficients and decay rates to enhance CSA recovery. This analysis suggests that combined alterations of specific cytokine decay and diffusion parameters result in greater fibroblast and SSC proliferation compared to individual perturbations with a 13% increase in CSA recovery compared to unaltered regeneration at 28 days. These results enable guided development of therapeutic strategies that similarly alter muscle physiology (i.e. converting extracellular matrix [ECM]-bound cytokines into freely diffusible forms as studied in cancer therapeutics or delivery of exogenous cytokines) during regeneration to enhance muscle recovery after injury.
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Affiliation(s)
- Megan Haase
- University of VirginiaCharlottesvilleUnited States
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Thompson JW, Plastow R, Kayani B, Moriarty P, Stirling B, Haddad FS. Operative Repair of Hamstring Injuries From the Jackling Position in Rugby. Orthop J Sports Med 2024; 12:23259671241246699. [PMID: 38840794 PMCID: PMC11151762 DOI: 10.1177/23259671241246699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 02/12/2024] [Indexed: 06/07/2024] Open
Abstract
Background The jackling position within rugby has not been previously described as a mechanism for proximal hamstring injuries. Hypothesis Acute surgical repair of proximal hamstring avulsion injuries sustained from the jackling contact position enables a return to a previous level of sporting activity with low risk of recurrence. Study Design Case series; Level of evidence, 4. Methods This study included 54 professional rugby players (mean age, 26 ± 4.8 years) who underwent acute primary surgical repair of complete, proximal hamstring avulsion injuries. The mean follow-up time was 17 months (range, 12-24 months). Mean isometric hamstring strength and function testing was performed at 3 months and 1 year after repair. Results Of the 54 players, 51 (94.4%) returned to their preinjury level of sporting activity. The mean time from surgical repair to full sporting activity was 7 months (range, 4-12 months). No patients had recurrence of the primary injury. At 1 year postoperatively, patients had significantly restored mean isometric hamstring muscle strength when compared with the uninjured leg at 0° (98.4% ± 2.8%), 15° (95.9% ± 2.9%), and 45° (92.9% ± 4.1%); improved Lower Extremity Functional Score (78.0 ± 2.0); and improved Marx activity rating score (14.3 ± 1.5) (P < .001 for all). Conclusion Acute surgical repair of proximal hamstring avulsion injuries caused by the contact jackling position produced a high return to preinjury level of sporting activity, increased muscle strength, and improved functional outcome scores, with a low risk of recurrence at short-term follow-up.
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Affiliation(s)
- Joshua W. Thompson
- Department of Orthopaedic Surgery, The Princess Grace Hospital, London, United Kingdom
- Department of Trauma and Orthopaedic Surgery, University College London Hospital Foundation NHS Trust, London, United Kingdom
| | - Ricci Plastow
- Department of Orthopaedic Surgery, The Princess Grace Hospital, London, United Kingdom
- Department of Trauma and Orthopaedic Surgery, University College London Hospital Foundation NHS Trust, London, United Kingdom
| | - Babar Kayani
- Department of Orthopaedic Surgery, The Princess Grace Hospital, London, United Kingdom
- Department of Trauma and Orthopaedic Surgery, University College London Hospital Foundation NHS Trust, London, United Kingdom
| | - Peter Moriarty
- Department of Orthopaedic Surgery, The Princess Grace Hospital, London, United Kingdom
- Department of Trauma and Orthopaedic Surgery, University College London Hospital Foundation NHS Trust, London, United Kingdom
| | | | - Fares S. Haddad
- Department of Orthopaedic Surgery, The Princess Grace Hospital, London, United Kingdom
- Department of Trauma and Orthopaedic Surgery, University College London Hospital Foundation NHS Trust, London, United Kingdom
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Vidal L, Vila I, Venegas V, Sacristán A, Contreras-Muñoz P, Lopez-Garzon M, Giné C, Rodas G, Marotta M. A Novel Minimally Invasive Surgically Induced Skeletal Muscle Injury Model in Sheep. Int J Mol Sci 2024; 25:5612. [PMID: 38891800 PMCID: PMC11171619 DOI: 10.3390/ijms25115612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 05/15/2024] [Accepted: 05/18/2024] [Indexed: 06/21/2024] Open
Abstract
Sports-related muscle injuries account for 10-55% of all injuries, which is a growing concern, especially given the aging world population. To evaluate the process of skeletal muscle injury and compare it with muscle lesions observed in humans, we developed a novel in vivo model in sheep. In this model, muscle injury was induced by an ultrasound-guided transverse biopsy at the myotendinous junction of the medial gastrocnemius muscle. Twelve male sheep were examined at 3, 7, 14, and 28 days post-injury. Histological, immunofluorescence, and MRI analyses indicate that our sheep model could resemble key human clinicopathological features. Statistically significant differences (p < 0.05) were observed in collagen I, dMHC, α-SMA, and CD68 immunohistochemical detection when comparing injured and healthy muscles. The injured gastrocnemius muscle exhibited elevated levels of type I collagen, infiltration of CD68(+) macrophages, angiogenesis, and the emergence of newly regenerated dMHC(+) myofibers, which persisted for up to 4 weeks post-injury. Similarly, the progression of muscle injury in the sheep model was assessed using advanced clinical 3 T MRI and compared with MRI scans from human patients. The data indicate that the sheep muscle injury model presents features similar to those observed in human skeletal muscle injuries. This makes it a valuable large animal model for studying muscle injuries and developing novel therapeutic strategies.
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Affiliation(s)
- Laura Vidal
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Ingrid Vila
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Vanesa Venegas
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Anabel Sacristán
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Paola Contreras-Muñoz
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Maria Lopez-Garzon
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Carles Giné
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
| | - Gil Rodas
- Medical Department of Futbol Club Barcelona (FIFA Medical Center of Excellence) and Barça Innovation, 08970 Sant Joan Despí, Spain
- Sports Medicine Unit, Hospital Clínic and Sant Joan de Déu, 08950 Barcelona, Spain
- Faculty of Medicine and Health Sciences, University of Barcelona, 08007 Barcelona, Spain
| | - Mario Marotta
- Leitat Technological Center, Carrer de la Innovació 2, 08225 Terrassa, Spain
- Bioengineering, Cell Therapy and Surgery in Congenital Malformations Laboratory, Vall d’Hebron Institut de Recerca (VHIR), Universitat Autònoma de Barcelona (UAB), 08035 Barcelona, Spain
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Al-Nasrawi AN, Al-Ibrahim MW, Aljabran SJ. Evaluating the Efficacy of Methocarbamol and Nefopam in Orthopedic Surgical Pain. Cureus 2024; 16:e59533. [PMID: 38707756 PMCID: PMC11066708 DOI: 10.7759/cureus.59533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/01/2024] [Indexed: 05/07/2024] Open
Abstract
Introduction Pain after orthopedic surgeries represents a special concern in patients with fractures. The use of multimodal analgesia significantly reduced the opioid need and reduced the risk of their side effects. Objectives This study compared the effectiveness and safety of methocarbamol and nefopam in the reduction of post-operative pain for patients undergoing orthopedic surgeries. Method This prospective, double-blind, randomized controlled trial took place at Al-Sader Teaching Hospital in Basrah, Iraq, from the first of February 2022 to the end of October 2023. The study aimed to assess the post-operative pain relief efficacy and safety of intramuscular nefopam (20 mg) and intravenous methocarbamol (1 g) in 110 adults (aged 18-65) undergoing elective orthopedic surgeries. Exclusions were made for allergies to the drugs, substance abuse history, and severe hepatic or renal impairment. Participants were randomized into two groups, with pain intensity measured at one hour, six hours, and 12 hours post-operation using the visual analog scale (VAS). Side effects were also evaluated. Statistical analysis was done using SPSS 27, with a significance level set at p<0.05 and a 95% confidence interval (CI). Results In this study, we conducted a rigorous comparison between two groups, methocarbamol and nefopam, to evaluate their efficacy and safety in post-operative pain management. We started by ensuring that the groups were well-matched in terms of age, gender distribution, and body mass index (BMI). The results showed remarkable similarities in mean age, gender distribution, and BMI, supported by robust p-values, affirming the effective matching of the two groups. Moving to pain management, we observed a significant advantage in favor of methocarbamol. At all-time intervals (one hour, six hours, and 12 hours post-operation), methocarbamol consistently demonstrated lower mean VAS scores compared to nefopam. These differences were highly statistically significant, underscoring the superior pain relief efficacy of methocarbamol. Exploring side effects, we found no statistically significant disparities in the occurrence of nausea and vomiting between the two groups. However, there was a noticeable trend toward higher tachycardia incidence in the nefopam group, though it did not reach statistical significance. Conclusion The present study showed a higher efficacy of methocarbamol in post-operative pain reduction in comparison to nefopam. No serious side effects were observed with both drugs.
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Haase M, Comlekoglu T, Petrucciani A, Peirce SM, Blemker SS. Agent-based model demonstrates the impact of nonlinear, complex interactions between cytokines on muscle regeneration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.08.14.553247. [PMID: 37645968 PMCID: PMC10462020 DOI: 10.1101/2023.08.14.553247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Muscle regeneration is a complex process due to dynamic and multiscale biochemical and cellular interactions, making it difficult to identify microenvironmental conditions that are beneficial to muscle recovery from injury using experimental approaches alone. To understand the degree to which individual cellular behaviors impact endogenous mechanisms of muscle recovery, we developed an agent-based model (ABM) using the Cellular Potts framework to simulate the dynamic microenvironment of a cross-section of murine skeletal muscle tissue. We referenced more than 100 published studies to define over 100 parameters and rules that dictate the behavior of muscle fibers, satellite stem cells (SSC), fibroblasts, neutrophils, macrophages, microvessels, and lymphatic vessels, as well as their interactions with each other and the microenvironment. We utilized parameter density estimation to calibrate the model to temporal biological datasets describing cross-sectional area (CSA) recovery, SSC, and fibroblast cell counts at multiple time points following injury. The calibrated model was validated by comparison of other model outputs (macrophage, neutrophil, and capillaries counts) to experimental observations. Predictions for eight model perturbations that varied cell or cytokine input conditions were compared to published experimental studies to validate model predictive capabilities. We used Latin hypercube sampling and partial rank correlation coefficient to identify in silico perturbations of cytokine diffusion coefficients and decay rates to enhance CSA recovery. This analysis suggests that combined alterations of specific cytokine decay and diffusion parameters result in greater fibroblast and SSC proliferation compared to individual perturbations with a 13% increase in CSA recovery compared to unaltered regeneration at 28 days. These results enable guided development of therapeutic strategies that similarly alter muscle physiology (i.e. converting ECM-bound cytokines into freely diffusible forms as studied in cancer therapeutics or delivery of exogenous cytokines) during regeneration to enhance muscle recovery after injury.
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11
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Vanneau T, Quiquempoix M, Erkel MC, Drogou C, Trignol A, Sauvet F, Léger D, Gomez-Merino D, Chennaoui M. Beneficial Effects of Photoperiod Lengthening on Sleep Characteristics and Mechanical Hyperalgesia in Injured Rats. eNeuro 2024; 11:ENEURO.0433-23.2023. [PMID: 38212115 PMCID: PMC10921263 DOI: 10.1523/eneuro.0433-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 01/13/2024] Open
Abstract
Sleep and muscle injury-related pain are in negative relationship, and sleep extension may be a favorable countermeasure. In response to muscle injury, an adaptive sleep response has been described in rats, characterized by an increase in total sleep time (TST) and nonrapid eye movement (NREM) sleep. This study examined the effects of photoperiod lengthening (a model of sleep prolongation in rats) on the sleep characteristics of muscle-injured rats and whether this lengthening could benefit injury-induced mechanical hyperalgesia using the Von Frey test. Switching from the conventional 12:12 light/dark (LD) photoperiod (light on: 08:00-20:00) to LD 16:8 (light extended to 24:00) gives rats an extra window of sleep. Our results show higher TST and NREM sleep times in LD 16:8 versus LD 12:12 injured rats during 4 h of light lengthening for 7 d postinjury, showing the efficiency of photoperiod lengthening to increase sleep time in injured rats. In addition, a cumulative effect with the adaptive sleep response to muscle injury occurred with higher TST and NREM sleep times in LD 16:8 injured versus noninjured rats during the dark period, reflecting the high need for sleep after the injury. Greater stability and higher relative delta power of NREM sleep during the extended light period were also observed in injured rats. Finally, the extended photoperiod limits the muscle injury-induced mechanical hyperalgesia for 13 d and allows faster recovery of the baseline mechanical threshold. This is associated with reduced pro-inflammatory cytokines levels in the hippocampus, a brain structure involved in pain processing.
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Affiliation(s)
- T Vanneau
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
| | - M Quiquempoix
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
| | - M-C Erkel
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
| | - C Drogou
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
| | - A Trignol
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
| | - F Sauvet
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
| | - D Léger
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
- APHP, APHP-Centre Université de Paris, Hôtel-Dieu, Centre du Sommeil et de la Vigilance, Paris 75001, France
| | - D Gomez-Merino
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
| | - M Chennaoui
- French Armed Forces Biomedical Research Institute (IRBA), Brétigny-sur-Orge 91223, France
- VIFASOM (URP 7330 Vigilance, Fatigue, Sommeil et Santé Publique), Université Paris Cité, Paris 75001, France
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Santocildes G, Viscor G, Pagès T, Torrella JR. Simulated altitude is medicine: intermittent exposure to hypobaric hypoxia and cold accelerates injured skeletal muscle recovery. J Physiol 2023. [PMID: 38153352 DOI: 10.1113/jp285398] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 12/12/2023] [Indexed: 12/29/2023] Open
Abstract
Muscle injuries are the leading cause of sports casualties. Because of its high plasticity, skeletal muscle can respond to different stimuli to maintain and improve functionality. Intermittent hypobaric hypoxia (IHH) improves muscle oxygen delivery and utilization. Hypobaria coexists with cold in the biosphere, opening the possibility to consider the combined use of both environmental factors to achieve beneficial physiological adjustments. We studied the effects of IHH and cold exposure, separately and simultaneously, on muscle regeneration. Adult male rats were surgically injured in one gastrocnemius and randomly assigned to the following groups: (1) CTRL: passive recovery; (2) COLD: intermittently exposed to cold (4°C); (3) HYPO: submitted to IHH (4500 m); (4) COHY: exposed to intermittent simultaneous cold and hypoxia. Animals were subjected to these interventions for 4 h/day for 9 or 21 days. COLD and COHY rats showed faster muscle regeneration than CTRL, evidenced after 9 days at histological (dMHC-positive and centrally nucleated fibre reduction) and functional levels after 21 days. HYPO rats showed a full recovery from injury (at histological and functional levels) after 9 days, while COLD and COHY needed more time to induce a total functional recovery. IHH can be postulated as an anti-fibrotic treatment since it reduces collagen I deposition. The increase in the pSer473Akt/total Akt ratio observed after 9 days in COLD, HYPO and COHY, together with the increase in the pThr172AMPKα/total AMPKα ratio observed in the gastrocnemius of HYPO, provides clues to the molecular mechanisms involved in the improved muscle regeneration. KEY POINTS: Only intermittent hypobaric exposure accelerated muscle recovery as early as 9 days following injury at histological and functional levels. Injured muscles from animals treated with intermittent (4 h/day) cold, hypobaric hypoxia or a simultaneous combination of both stimuli regenerated histological structure and recovered muscle function 21 days after injury. The combination of cold and hypoxia showed a blunting effect as compared to hypoxia alone in the time course of the muscle recovery. The increased expression of the phosphorylated forms of Akt observed in all experimental groups could participate in the molecular cascade of events leading to a faster regeneration. The elevated levels of phosphorylated AMPKα in the HYPO group could play a key role in the modulation of the inflammatory response during the first steps of the muscle regeneration process.
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Affiliation(s)
- Garoa Santocildes
- Secció de Fisiologia, Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Ginés Viscor
- Secció de Fisiologia, Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Teresa Pagès
- Secció de Fisiologia, Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Joan Ramon Torrella
- Secció de Fisiologia, Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
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13
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Palermi S, Vittadini F, Vecchiato M, Corsini A, Demeco A, Massa B, Pedret C, Dorigo A, Gallo M, Pasta G, Nanni G, Vascellari A, Marchini A, Lempainen L, Sirico F. Managing Lower Limb Muscle Reinjuries in Athletes: From Risk Factors to Return-to-Play Strategies. J Funct Morphol Kinesiol 2023; 8:155. [PMID: 37987491 PMCID: PMC10660751 DOI: 10.3390/jfmk8040155] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 11/22/2023] Open
Abstract
Muscle injuries and subsequent reinjuries significantly impact athletes, especially in football. These injuries lead to time loss, performance impairment, and long-term health concerns. This review aims to provide a comprehensive overview of the current understanding of muscle reinjuries, delving into their epidemiology, risk factors, clinical management, and prevention strategies. Despite advancements in rehabilitation programs and return-to-play criteria, reinjury rates remain alarmingly high. Age and previous muscle injuries are nonmodifiable risk factors contributing to a high reinjury rate. Clinical management, which involves accurate diagnosis, individualized rehabilitation plans, and the establishment of return-to-training and return-to-play criteria, plays a pivotal role during the sports season. Eccentric exercises, optimal loading, and training load monitoring are key elements in preventing reinjuries. The potential of artificial intelligence (AI) in predicting and preventing reinjuries offers a promising avenue, emphasizing the need for a multidisciplinary approach to managing these injuries. While current strategies offer some mitigation, there is a pressing need for innovative solutions, possibly leveraging AI, to reduce the incidence of muscle reinjuries in football players. Future research should focus on this direction, aiming to enhance athletes' well-being and performance.
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Affiliation(s)
- Stefano Palermi
- Public Health Department, University of Naples Federico II, 80131 Naples, Italy
| | | | - Marco Vecchiato
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, 35128 Padova, Italy
| | | | - Andrea Demeco
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Bruno Massa
- Public Health Department, University of Naples Federico II, 80131 Naples, Italy
| | - Carles Pedret
- Sports Medicine and Imaging Department, Clinica Diagonal, 08950 Barcelona, Spain;
| | - Alberto Dorigo
- Radiology Unit, Casa di Cura Giovanni XXIII, 31050 Monastier, Italy
| | - Mauro Gallo
- Radiology Unit, Casa di Cura Giovanni XXIII, 31050 Monastier, Italy
| | | | | | | | | | - Lasse Lempainen
- FinnOrthopaedics, Hospital Pihlajalinna, 20520 Turku, Finland;
| | - Felice Sirico
- Public Health Department, University of Naples Federico II, 80131 Naples, Italy
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14
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Perkov S, Makhortov M, Grishin O, Perevoschikov S, Prikhozhdenko ES, Bratashov D, Gorin D. Optoacoustic monitoring of bilirubin photodegradation. JOURNAL OF BIOPHOTONICS 2023; 16:e202200339. [PMID: 37345342 DOI: 10.1002/jbio.202200339] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 05/14/2023] [Accepted: 06/02/2023] [Indexed: 06/23/2023]
Abstract
Hematomas resulted from trauma are very common, and the efficacy of existing treatment techniques is limited. Phototherapy can be used to expedite healing and improve the appearance of the damaged tissue. Efficient phototherapy requires determination of chromophore composition in hematoma, which can be provided by the optoacoustic (OA) technique, as it combines high spatial resolution and optical contrast. Here, we conducted experiments on photodegradation of bilirubin in gelatin slin phantoms. We have demonstrated that the OA technique allows monitoring of bilirubin concentration during photodegradation, and also distinguishing bilirubin concentration in depth. The obtained results suggest that OA monitoring may be used for efficient hematoma phototherapy.
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Affiliation(s)
- Sergei Perkov
- Photonics Center, Skolkovo Institute of Science and Technology, Moscow, Russia
| | | | - Oleg Grishin
- Science Medical Center, Saratov State University, Saratov, Russia
| | | | | | - Daniil Bratashov
- Science Medical Center, Saratov State University, Saratov, Russia
| | - Dmitry Gorin
- Photonics Center, Skolkovo Institute of Science and Technology, Moscow, Russia
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15
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Poursalehian M, Lotfi M, Zafarmandi S, Arabzadeh Bahri R, Halabchi F. Hamstring Injury Treatments and Management in Athletes: A Systematic Review of the Current Literature. JBJS Rev 2023; 11:01874474-202311000-00007. [PMID: 37983561 DOI: 10.2106/jbjs.rvw.23.00161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
BACKGROUND The field of sports medicine presents a varied landscape of research on hamstring injuries in athletes, characterized by inconclusive and sometimes conflicting findings on effective treatment and rehabilitation strategies. This discordance prompted the current systematic investigation. METHODS Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed for conducting the systematic review. Multiple international bibliometric databases (Scopus, PubMed, Web of Science, and Embase) were searched to identify studies evaluating any treatment option for the management of hamstring injuries in athletes. Eligible studies were appraised for quality using Joanna Briggs Institute and Risk of Bias 2 tools. RESULTS A total of 30 studies with 1,195 participants were included. Of the reviewed studies, treatments varied from aggressive rehabilitation, platelet-rich plasma (PRP) injections, manual techniques, various exercise protocols to modalities like high-power laser and nonsteroidal anti-inflammatory drugs. Evidence suggested benefits from treatments like extensive muscle lengthening during eccentric actions, progressive agility, and trunk stabilization. PRP injections produced mixed results regarding return to sport and reinjury rates. Stretching exercises, sometimes combined with cryotherapy, showed benefits. CONCLUSION Treatments for hamstring injuries exhibit varied efficacy. Although rest, ice, compression, and elevation remains essential for acute management, rehabilitation focusing on muscle strengthening and flexibility is crucial. The potential benefits of PRP injections, especially for chronic cases, require more conclusive research. A comprehensive approach, combining evidence-based practices and patient-centric factors, is vital for effective management and recovery. LEVEL OF EVIDENCE Level IV. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Mohammad Poursalehian
- Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Sports and Exercise Medicine, Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohadeseh Lotfi
- Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Sports and Exercise Medicine, Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Sahar Zafarmandi
- Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Sports and Exercise Medicine, Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Razman Arabzadeh Bahri
- Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Sports and Exercise Medicine, Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Farzin Halabchi
- Sports and Exercise Medicine, Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
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16
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Schifino AG, Raymond‐Pope CJ, Heo J, McFaline‐Figueroa J, Call JA, Greising SM. Resistance wheel running improves contractile strength, but not metabolic capacity, in a murine model of volumetric muscle loss injury. Exp Physiol 2023; 108:1282-1294. [PMID: 37526646 PMCID: PMC10543535 DOI: 10.1113/ep091284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 07/31/2023] [Indexed: 08/02/2023]
Abstract
The primary objective of this study was to determine if low- or high-resistance voluntary wheel running leads to functional improvements in muscle strength (i.e., isometric and isokinetic torque) and metabolic function (i.e., permeabilized fibre bundle mitochondrial respiration) after a volumetric muscle loss (VML) injury. C57BL/6J mice were randomized into one of four experimental groups at age 12 weeks: uninjured control, VML untreated (VML), low-resistance wheel running (VML-LR) and high-resistance wheel running (VML-HR). All mice, excluding the uninjured, were subject to a unilateral VML injury to the plantar flexor muscles and wheel running began 3 days post-VML. At 8 weeks post-VML, peak isometric torque was greater in uninjured compared to all VML-injured groups, but both VML-LR and VML-HR had greater (∼32%) peak isometric torque compared to VML. All VML-injured groups had less isokinetic torque compared to uninjured, and there was no statistical difference among VML, VML-LR and VML-HR. No differences in cumulative running distance were observed between VML-LR and VML-HR groups. Because adaptations in VML-HR peak isometric torque were attributed to greater gastrocnemius muscle mass, atrophy- and hypertrophy-related protein content and post-translational modifications were explored via immunoblot; however, results were inconclusive. Permeabilized fibre bundle mitochondrial oxygen consumption was 22% greater in uninjured compared to VML, but there was no statistical difference among VML, VML-LR and VML-HR. Furthermore, neither wheel running group demonstrated a change in the relative protein content of the mitochondrial biogenesis transcription factor, peroxisome proliferator-activated receptor γ coactivator 1-α (PGC-1α). These results indicate that resistance wheel running alone only has modest benefits in the VML-injured muscle. NEW FINDINGS: What is the central question of the study? Does initiation of a resistance wheel running regimen following volumetric muscle loss (VML) improve the functional capacity of skeletal muscle? What is the main finding and its importance? Resistance wheel running led to greater muscle mass and strength in mice with a VML injury but did not result in a full recovery. Neither low- nor high-resistance wheel running was associated with a change in permeabilized muscle fibre respiration despite runners having greater whole-body treadmill endurance capacity, suggesting resilience to metabolic adaptations in VML-injured muscle. Resistance wheel running may be a suitable adjuvant rehabilitation strategy, but alone does not fully mitigate VML pathology.
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Affiliation(s)
| | | | - Junwon Heo
- Department of Physiology and PharmacologyUniversity of GeorgiaAthensGAUSA
| | | | - Jarrod A. Call
- Department of Physiology and PharmacologyUniversity of GeorgiaAthensGAUSA
- Regenerative Bioscience CenterUniversity of GeorgiaAthensGAUSA
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17
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Boyd NL, von Pfeil D, James DR, Kent M, Fearnside S, White JD. Rupture of the gastrocnemius muscle at its distal musculotendinous junction: conservative treatment and outcomes in 11 dogs. N Z Vet J 2023; 71:275-281. [PMID: 37309587 DOI: 10.1080/00480169.2023.2224753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 05/28/2023] [Indexed: 06/14/2023]
Abstract
CASE HISTORY Medical records from three veterinary referral centres and a university veterinary teaching hospital in Australia and the USA were reviewed to identify dogs with a diagnosis of distal gastrocnemius musculotendinous junction rupture (DGMJR) that were treated without surgery between 2007 and 2020. CLINICAL AND IMAGING FINDINGS All dogs (n = 11) presented with unilateral, pelvic limb lameness and bruising, swelling or pain on palpation at the distal musculotendinous junction. The diagnosis was confirmed with ultrasound or MRI in six dogs; radiographs were used to excluded stifle and tarsus pathology in four dogs; and five dogs were diagnosed on physical examination findings. TREATMENT AND OUTCOME All dogs were managed conservatively, either with complete confinement alone (n = 10; median 9 weeks), external coaptation alone (n = 1), or a combination of both (n = 4). Sporting dogs (n = 7) were completely confined (median 22 weeks) for longer periods than companion dogs (n = 3; median 5 weeks).A good to excellent outcome was achieved for all cases in this cohort. The seven sporting dogs achieved an excellent outcome; returning to their previous level of sport, with complete resolution of lameness and recovery of a normal tibiotarsal stance. The four companion dogs achieved a good outcome; returning to their previous level of activity but with persistently increased tibiotarsal standing angle compared to the contralateral limb. CLINICAL RELEVANCE Conservative treatment represents a viable treatment option for dogs with a rupture of the gastrocnemius muscle at its distal musculotendinous junction.
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Affiliation(s)
- N L Boyd
- Sports Medicine and Rehabilitation, Small Animal Specialist Hospital, Sydney, Australia
| | - D von Pfeil
- Small Animal Surgery, Bessy's Kleintierklinik, Zurich, Switzerland
- Small Animal Surgery Locum, PLLC, Dallas, TX, USA
| | - D R James
- Small Animal Surgery, Small Animal Specialist Hospital, Sydney, Australia
| | - M Kent
- Neurology Service, Small Animal Medicine & Surgery, Veterinary Teaching Hospital, University of Georgia, Athens, GA, USA
| | - S Fearnside
- Small Animal Surgery, Small Animal Specialist Hospital, Sydney, Australia
| | - J D White
- Small Animal Internal Medicine, Small Animal Specialist Hospital, Sydney, Australia
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18
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Govindappa PK, Jagadeeshaprasad MG, Tortora P, Talukder MAH, Elfar JC. Effects of 4-Aminopyridine on Combined Nerve and Muscle Injury and Bone Loss. J Hand Surg Am 2023; 48:831.e1-831.e9. [PMID: 35418340 PMCID: PMC9548524 DOI: 10.1016/j.jhsa.2022.01.031] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 12/08/2021] [Accepted: 01/21/2022] [Indexed: 02/02/2023]
Abstract
PURPOSE Musculoskeletal injuries are common, and peripheral nerve injury (PNI) causes significant muscle and bone loss within weeks. After PNI, 4-aminopyridine (4-AP) improves functional recovery and muscle atrophy. However, it is unknown whether 4-AP has any effect on isolated traumatic muscle injury and PNI-induced bone loss. METHODS A standardized crush injury was performed on the sciatic nerve and muscles in mice, and the mice were assigned to receive normal saline or 4-AP treatment daily for 21 days. The postinjury motor and sensory function recovery was assessed, injured muscles were processed for histomorphometry, and the tibial bone was scanned for bone density. RESULTS 4-Aminopyridine significantly accelerated the postinjury motor and sensory function recovery, improved muscle histomorphometry, increased muscle satellite cell numbers, and shifted muscle fiber types after combined nerve and muscle injury. Importantly, the 4-AP treatment significantly reduced PNI-induced bone loss. In contrast, in the case of isolated muscle injury, 4-AP had no effect on functional recovery and bone density, but it improved muscle-specific histomorphometry to a limited extent. CONCLUSIONS These findings demonstrate the potential beneficial effects of 4-AP on the recovery of muscle morphology and bone density after combined muscle and nerve injury. CLINICAL RELEVANCE Nerve injuries frequently involve muscle and result in rapid muscle and bone atrophy. In this scenario, 4-AP, in addition to accelerating nerve functional recovery, might work as an adjunctive agent to improve the recovery of injured muscle and attenuate PNI-induced bone loss.
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Affiliation(s)
- Prem Kumar Govindappa
- Department of Orthopaedics and Rehabilitation, Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, 17033, USA
| | - Mashanipalya G Jagadeeshaprasad
- Department of Orthopaedics and Rehabilitation, Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, 17033, USA
| | - Peter Tortora
- Department of Orthopaedics and Rehabilitation, Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, 17033, USA
| | - M A Hassan Talukder
- Department of Orthopaedics and Rehabilitation, Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, 17033, USA
| | - John C. Elfar
- Department of Orthopaedics and Rehabilitation, Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, 17033, USA
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19
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Paton BM, Read P, van Dyk N, Wilson MG, Pollock N, Court N, Giakoumis M, Head P, Kayani B, Kelly S, Kerkhoffs GMMJ, Moore J, Moriarty P, Murphy S, Plastow R, Stirling B, Tulloch L, Wood D, Haddad F. London International Consensus and Delphi study on hamstring injuries part 3: rehabilitation, running and return to sport. Br J Sports Med 2023; 57:278-291. [PMID: 36650032 DOI: 10.1136/bjsports-2021-105384] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2022] [Indexed: 01/19/2023]
Abstract
Hamstring injuries (HSIs) are the most common athletic injury in running and pivoting sports, but despite large amounts of research, injury rates have not declined in the last 2 decades. HSI often recur and many areas are lacking evidence and guidance for optimal rehabilitation. This study aimed to develop an international expert consensus for the management of HSI. A modified Delphi methodology and consensus process was used with an international expert panel, involving two rounds of online questionnaires and an intermediate round involving a consensus meeting. The initial information gathering round questionnaire was sent to 46 international experts, which comprised open-ended questions covering decision-making domains in HSI. Thematic analysis of responses outlined key domains, which were evaluated by a smaller international subgroup (n=15), comprising clinical academic sports medicine physicians, physiotherapists and orthopaedic surgeons in a consensus meeting. After group discussion around each domain, a series of consensus statements were prepared, debated and refined. A round 2 questionnaire was sent to 112 international hamstring experts to vote on these statements and determine level of agreement. Consensus threshold was set a priori at 70%. Expert response rates were 35/46 (76%) (first round), 15/35 (attendees/invitees to meeting day) and 99/112 (88.2%) for final survey round. Statements on rehabilitation reaching consensus centred around: exercise selection and dosage (78.8%-96.3% agreement), impact of the kinetic chain (95%), criteria to progress exercise (73%-92.7%), running and sprinting (83%-100%) in rehabilitation and criteria for return to sport (RTS) (78.3%-98.3%). Benchmarks for flexibility (40%) and strength (66.1%) and adjuncts to rehabilitation (68.9%) did not reach agreement. This consensus panel recommends individualised rehabilitation based on the athlete, sporting demands, involved muscle(s) and injury type and severity (89.8%). Early-stage rehab should avoid high strain loads and rates. Loading is important but with less consensus on optimum progression and dosage. This panel recommends rehabilitation progress based on capacity and symptoms, with pain thresholds dependent on activity, except pain-free criteria supported for sprinting (85.5%). Experts focus on the demands and capacity required for match play when deciding the rehabilitation end goal and timing of RTS (89.8%). The expert panellists in this study followed evidence on aspects of rehabilitation after HSI, suggesting rehabilitation prescription should be individualised, but clarified areas where evidence was lacking. Additional research is required to determine the optimal load dose, timing and criteria for HSI rehabilitation and the monitoring and testing metrics to determine safe rapid progression in rehabilitation and safe RTS. Further research would benefit optimising: prescription of running and sprinting, the application of adjuncts in rehabilitation and treatment of kinetic chain HSI factors.
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Affiliation(s)
- Bruce M Paton
- Institute of Sport Exercise and Health (ISEH), University College London, London, UK .,Physiotherapy Department, University College London Hospitals NHS Foundation Trust, London, UK.,Division of Surgery and Intervention Science, University College London, London, UK
| | - Paul Read
- Institute of Sport Exercise and Health (ISEH), University College London, London, UK.,Division of Surgery and Intervention Science, University College London, London, UK.,School of Sport and Exercise, University of Gloucestershire, Gloucester, UK
| | - Nicol van Dyk
- High Performance Unit, Irish Rugby Football Union, Dublin, Ireland.,Section Sports Medicine, University of Pretoria, Pretoria, South Africa
| | - Mathew G Wilson
- Division of Surgery and Intervention Science, University College London, London, UK.,Princess Grace Hospital, London, UK
| | - Noel Pollock
- Institute of Sport Exercise and Health (ISEH), University College London, London, UK.,British Athletics, London, UK
| | | | | | - Paul Head
- School of Sport, Health and Applied Science, St. Mary's University, London, UK
| | - Babar Kayani
- Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Sam Kelly
- Salford City Football Club, Salford, UK.,Blackburn Rovers Football Club, Blackburn, UK
| | - Gino M M J Kerkhoffs
- Orthopaedic Surgery and Sports Medicine, Amsterdam Movement Sciences, Amsterdam University Medical Centers, Amsterdam, The Netherlands.,Amsterdam Collaboration for Health and Safety in Sports (ACHSS), Amsterdam IOC Research Center, Amsterdam, The Netherlands
| | - James Moore
- Sports & Exercise Medicine, Centre for Human Health and Performance, London, UK
| | - Peter Moriarty
- Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | - Simon Murphy
- Medical Services, Arsenal Football Club, London, UK
| | - Ricci Plastow
- Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
| | | | | | - David Wood
- Trauma & Orthopaedic Surgery, North Sydney Orthopaedic and Sports Medicine Centre, Sydney, New South Wales, Australia
| | - Fares Haddad
- Institute of Sport Exercise and Health (ISEH), University College London, London, UK.,Division of Surgery and Intervention Science, University College London, London, UK.,Princess Grace Hospital, London, UK.,Trauma and Orthopaedic Surgery, University College London Hospitals NHS Foundation Trust, London, UK
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20
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Lee J, Park S, Le PT, Lee G, Lee HW, Yun G, Jeon J, Park J, Pham DT, Park YS, Lim H, Kim C, Hwang TS, Kim SW, Lim G. Peripheral Microneedle Patch for First-Aid Hemostasis. Adv Healthc Mater 2023; 12:e2201697. [PMID: 36538487 DOI: 10.1002/adhm.202201697] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 11/21/2022] [Indexed: 01/18/2023]
Abstract
Despite the minimized puncture sizes and high efficiency, microneedle (MN) patches have not been used to inject hemostatic drugs into bleeding wounds because they easily destroy capillaries when a tissue is pierced. In this study, a shelf-stable dissolving MN patch is developed to prevent rebleeding during an emergency treatment. A minimally and site-selectively invasive hemostatic drug delivery system is established by using a peripheral MN (p-MN) patch that does not directly intrude the wound site but enables topical drug absorption in the damaged capillaries. The invasiveness of MNs is histologically examined by using a bleeding liver of a Sprague-Dawley (SD) rat as an extreme wound model in vivo. The skin penetration force is quantified to demonstrate that the administration of the p-MN patch is milder than that of the conventional MN patch. Hemostatic performance is systematically studied by analyzing bleeding weight and time and comparing them with that of conventional hemostasis methods. The superior performance of a p-MN for the heparin-pretreated SD rat model is demonstrated by intravenous injection in vivo.
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Affiliation(s)
- Jungho Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Sebin Park
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Phuong Thao Le
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Geunho Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Hyoun Wook Lee
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, 51353, Republic of Korea
| | - Gaeun Yun
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Juhyeong Jeon
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Jeongwoo Park
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Duy Tho Pham
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Department of Emergency Medicine, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Young Sook Park
- Department of Physical Rehabilitation Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, 51353, Republic of Korea
| | - Hoon Lim
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Republic of Korea
| | - Chulhong Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Department of Electrical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Tae Sik Hwang
- Department of Emergency Medicine, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin, 16995, Republic of Korea
| | - Seung Whan Kim
- Department of Emergency Medicine, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Geunbae Lim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Institute for Convergence Research and Education in Advanced Technology, Yonsei University, 50, Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
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21
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Application of Single-Cell and Spatial Omics in Musculoskeletal Disorder Research. Int J Mol Sci 2023; 24:ijms24032271. [PMID: 36768592 PMCID: PMC9917071 DOI: 10.3390/ijms24032271] [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: 11/30/2022] [Revised: 01/16/2023] [Accepted: 01/19/2023] [Indexed: 01/26/2023] Open
Abstract
Musculoskeletal disorders, including fractures, scoliosis, heterotopic ossification, osteoporosis, osteoarthritis, disc degeneration, and muscular injury, etc., can occur at any stage of human life. Understanding the occurrence and development mechanism of musculoskeletal disorders, as well as the changes in tissues and cells during therapy, might help us find targeted treatment methods. Single-cell techniques provide excellent tools for studying alterations at the cellular level of disorders. However, the application of these techniques in research on musculoskeletal disorders is still limited. This review summarizes the current single-cell and spatial omics used in musculoskeletal disorders. Cell isolation, experimental methods, and feasible experimental designs for single-cell studies of musculoskeletal system diseases have been reviewed based on tissue characteristics. Then, the paper summarizes the latest findings of single-cell studies in musculoskeletal disorders from three aspects: bone and ossification, joint, and muscle and tendon disorders. Recent discoveries about the cell populations involved in these diseases are highlighted. Furthermore, the therapeutic responses of musculoskeletal disorders, especially single-cell changes after the treatments of implants, stem cell therapies, and drugs are described. Finally, the application potential and future development directions of single-cell and spatial omics in research on musculoskeletal diseases are discussed.
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22
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Hilde G, Stær-Jensen J, Siafarikas F, Engh ME, Bø K. Postpartum pelvic floor muscle training, levator ani avulsion and levator hiatus area: a randomized trial. Int Urogynecol J 2023; 34:413-423. [PMID: 36418566 PMCID: PMC9870957 DOI: 10.1007/s00192-022-05406-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 10/18/2022] [Indexed: 11/27/2022]
Abstract
INTRODUCTION AND HYPOTHESIS Vaginal delivery may lead to tearing of the levator ani (LA) muscle from its bony insertions (complete LA avulsion) and increased levator hiatus (LH) area, both risk factors for pelvic floor dysfunctions. Early active rehabilitation is standard treatment after musculo-skeletal injury. We hypothesized that pelvic floor muscle training (PFMT) early postpartum would reduce the presence of LA avulsions and reduce LH area. METHODS We carried out a planned secondary analysis from a randomized controlled study. Primiparous women (n=175) giving birth vaginally were included 6 weeks postpartum, stratified on complete LA avulsion, and thereafter randomized to PFMT or control. The training participants (n=87) attended a supervised PFMT class once a week and performed home-based PFMT daily for 16 weeks. The control participants (n=88) received no intervention. Presence of complete LA avulsion, LH area at rest, maximal contraction, and maximal Valsalva maneuver were assessed by transperineal ultrasound. Between-group comparisons were analyzed by analysis of covariance for continuous data, and relative risk (RR) for categorical data. RESULTS Six months postpartum, the number of women who had complete LA avulsion was reduced from 27 to 14 within the PFMT group (44% reduction) and from 28 to 17 within the control group (39% reduction). The between-group difference was not significant, RR 0.85 (95% CI 0.53 to 1.37). Further, no significant between-group differences were found for LH area at rest, during contraction, or Valsalva. CONCLUSIONS Supervised PFMT class combined with home exercise early postpartum did not reduce the presence of complete LA avulsion or LH area more than natural remission.
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Affiliation(s)
- Gunvor Hilde
- Department of Rehabilitation Science and Health Technology, Faculty of Health Sciences, OsloMet – Oslo Metropolitan University, Pilestredet, P.O. Box 4, St. Olavs plass, NO-0130 Oslo, Norway
| | - Jette Stær-Jensen
- Department of Obstetrics and Gynecology, Akershus University Hospital, Lørenskog, Norway
| | - Franziska Siafarikas
- Department of Obstetrics and Gynecology, Akershus University Hospital, Lørenskog, Norway ,Division Akershus University Hospital, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Marie Ellström Engh
- Department of Obstetrics and Gynecology, Akershus University Hospital, Lørenskog, Norway ,Division Akershus University Hospital, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Kari Bø
- Department of Obstetrics and Gynecology, Akershus University Hospital, Lørenskog, Norway ,Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway
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23
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Bowles-Welch AC, Jimenez AC, Stevens HY, Frey Rubio DA, Kippner LE, Yeago C, Roy K. Mesenchymal stromal cells for bone trauma, defects, and disease: Considerations for manufacturing, clinical translation, and effective treatments. Bone Rep 2023. [DOI: 10.1016/j.bonr.2023.101656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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24
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Basten AM, Raymond-Pope CJ, Hoffman DB, Call JA, Greising SM. Early initiation of electrical stimulation paired with range of motion after a volumetric muscle loss injury does not benefit muscle function. Exp Physiol 2023; 108:76-89. [PMID: 36116106 PMCID: PMC9805496 DOI: 10.1113/ep090630] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/15/2022] [Indexed: 01/03/2023]
Abstract
NEW FINDINGS What is the central question of this study? First, how does physical rehabilitation influence recovery from traumatic muscle injury? Second, how does physical activity impact the rehabilitation response for skeletal muscle function and whole-body metabolism? What is the main finding and its importance? The most salient findings were that rehabilitation impaired muscle function and range of motion, while restricting activity mitigated some negative effects but also impacted whole-body metabolism. These data suggest that first, work must continue to explore treatment parameters, including modality, time, type, duration and intensity, to find the best rehabilitation approaches for volumetric muscle loss injuries; and second, restricting activity acutely might enhance rehabilitation response, but whole-body co-morbidities should continue to be considered. ABSTRACT Volumetric muscle loss (VML) injury occurs when a substantial volume of muscle is lost by surgical removal or trauma, resulting in an irrecoverable deficit in muscle function. Recently, it was suggested that VML impacts whole-body and muscle-specific metabolism, which might contribute to the inability of the muscle to respond to treatments such as physical rehabilitation. The aim of this work was to understand the complex relationship between physical activity and the response to rehabilitation after VML in an animal model, evaluating the rehabilitation response by measurement of muscle function and whole-body metabolism. Adult male mice (n = 24) underwent a multi-muscle, full-thickness VML injury to the gastrocnemius, soleus and plantaris muscles and were randomized into one of three groups: (1) untreated; (2) rehabilitation (i.e., combined electrical stimulation and range of motion, twice per week, beginning 72 h post-injury, for ∼8 weeks); or (3) rehabilitation and restriction of physical activity. There was a lack of positive adaption associated with electrical stimulation and range of motion intervention alone; however, maximal isometric torque of the posterior muscle group was greater in mice receiving treatment with activity restriction (P = 0.008). Physical activity and whole-body metabolism were measured ∼6 weeks post-injury; metabolic rate decreased (P = 0.001) and respiratory exchange ratio increased (P = 0.022) with activity restriction. Therefore, restricting physical activity might enhance an intervention delivered to the injured muscle group but impair whole-body metabolism. It is possible that restricting activity is important initially post-injury to protect the muscle from excess demand. A gradual increase in activity throughout the course of treatment might optimize muscle function and whole-body metabolism.
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Affiliation(s)
- Alec M. Basten
- School of Kinesiology, University of Minnesota, Minneapolis MN 55455, USA
| | | | - Daniel B. Hoffman
- School of Kinesiology, University of Minnesota, Minneapolis MN 55455, USA
| | - Jarrod A. Call
- Department of Physiology and Pharmacology, University of Georgia, Athens, GA 30602, USA,Regenerative Bioscience Center, University of Georgia, Athens, GA 30602, USA
| | - Sarah M. Greising
- School of Kinesiology, University of Minnesota, Minneapolis MN 55455, USA,Corresponding Author: Sarah M. Greising, Ph.D., 1900 University Ave SE, Minneapolis MN, 55455, , Phone: 612-626-7890, Fax: 612-626-7700
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25
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Miyazaki A, Kawashima M, Nagata I, Miyoshi M, Miyakawa M, Sugiyama M, Sakuraya T, Sonomura T, Arakawa T. Icing after skeletal muscle injury decreases M1 macrophage accumulation and TNF-α expression during the early phase of muscle regeneration in rats. Histochem Cell Biol 2023; 159:77-89. [PMID: 36114866 DOI: 10.1007/s00418-022-02143-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2022] [Indexed: 02/07/2023]
Abstract
Following skeletal muscle injury, both myogenic and immune cells interact closely during the regenerative process. Although icing is still a common acute treatment for sports-related skeletal muscle injuries, icing after muscle injury has been shown to disrupt macrophage accumulation and impair muscle regeneration in animal models. However, it remains unknown whether icing shortly after injury affects macrophage-related phenomena during the early stages of muscle regeneration. Therefore, we focused on the distribution of M1/M2 macrophages and cytokines expressed predominantly by macrophages during the early stages of muscle regeneration after muscle crush injury. Icing resulted in a decrease, not retardation, in the accumulation of M1 macrophages, but not M2 macrophages, in injured muscles. Consistent with the decrease in M1 macrophage accumulation, icing led to a reduction, instead of delay, in the level of tumor necrosis factor-α (TNF-α) expression. Additionally, at subsequent timepoints, icing decreased the number of myogenic precursor cells in the regenerating area and the size of centrally nucleated regenerating myofibers. Together, our findings suggest that icing after acute muscle damage by crushing disturbs muscle regeneration through hindering tM1 macrophage-related phenomena.
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Affiliation(s)
- Anna Miyazaki
- Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan
| | - Masato Kawashima
- Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan.,Department of Health and Sports Science, Kawasaki University of Medical Welfare, 288 Matsushima, Kurashiki, Okayama, 701-0193, Japan
| | - Itsuki Nagata
- Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan
| | - Makoto Miyoshi
- Department of Biophysics, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan
| | - Motoi Miyakawa
- Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan.,Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Megumi Sugiyama
- Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan.,General Tokyo Hospital, 3-15-2 Egota, Nakano-ku, Tokyo, 165-8906, Japan
| | - Tohma Sakuraya
- Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan.,Department of Oral Anatomy, Asahi University School of Dentistry, 1851 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Takahiro Sonomura
- Department of Oral Anatomy, Asahi University School of Dentistry, 1851 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Takamitsu Arakawa
- Department of Rehabilitation Sciences, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan.
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26
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The Effect of Single Bout Treatment of Heat or Cold Intervention on Delayed Onset Muscle Soreness Induced by Eccentric Contraction. Healthcare (Basel) 2022; 10:healthcare10122556. [PMID: 36554079 PMCID: PMC9778753 DOI: 10.3390/healthcare10122556] [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: 11/22/2022] [Revised: 12/06/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
We studied the preventive effects of heat or cold therapy after repeated eccentric contraction against torque reduction, muscle soreness, and range of motion (ROM) due to delayed-onset muscle soreness (DOMS). A total of 42 healthy male subjects were randomly allocated into three groups: the HEAT group received heat therapy using an ultra-short-wave device; the ICE group received ice therapy using an ice pack; the Control group received no intervention. The measurements included maximal voluntary isometric, concentric, and eccentric elbow flexion torque, elbow extension ROM, pressure pain threshold, and muscle soreness with stretching muscle thickness and echo intensity. The measurements were taken before (pre), after (post), after (t-post), one-four days after, and seven days after the muscle damage protocol. The results showed the main effect of time on all measurements, but no significant interactions were observed. The results of this study suggest that heat or cold therapy in the first 30 min after intense eccentric exercise is insufficient to exert a preventive effect against DOMS.
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27
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Liu X, Zhang N, Sung B, Wang B. Time-specific effects of acute eccentric exercise on myostatin, follistatin and decorin in the circulation and skeletal muscle in rats. Physiol Res 2022. [DOI: 10.33549/physiolres.934833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Myostatin (MSTN), an important negative regulator of skeletal muscle, plays an important role in skeletal muscle health. In previous study, we found that the expression of MSTN was different during skeletal muscle injury repair. Therefore, we explored the expression changes of MSTN at different time points during skeletal muscle injury repair after eccentric exercise. In addition, MSTN is regulated by follistatin (FST) and decorin (DCN) in vivo, so our study examined the time-specific changes of FST, DCN and MSTN in the circulation and skeletal muscle during skeletal muscle injury repair after eccentric exercise, and to explore the reasons for the changes of MSTN in the process of exercise-induced muscle injury repair, to provide a basis for promoting muscle injury repair. The rats performed one-time eccentric exercise. Blood and skeletal muscle were collected at the corresponding time points, respectively immediate after exercise (D0), one day (D1), two days (D2), three days (D3), seven days (W1) and fourteen days (W2) after exercise (n=8). The levels of MSTN, FST, DCN in serum and mRNA and protein expression in muscle were detected. MSTN changes in the blood and changes in DCN and FST showed the opposite trend, except immediately after exercise. The change trends of mRNA and protein of gastrocnemius DCN and MSTN are inconsistent, there is post-transcriptional regulation of MSTN and DCN in gastrocnemius. Acute eccentric exercise might stimulate the secretion of DCN and FST into the circulation and inhibit MSTN. MSTN may be regulated by FST and DCN after acute eccentric exercise.
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Affiliation(s)
| | | | | | - B Wang
- Department of Sports and Health, Nanjing Sports Institute, Nanjing, China.
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28
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Behre A, Tashman JW, Dikyol C, Shiwarski DJ, Crum RJ, Johnson SA, Kommeri R, Hussey GS, Badylak SF, Feinberg AW. 3D Bioprinted Patient-Specific Extracellular Matrix Scaffolds for Soft Tissue Defects. Adv Healthc Mater 2022; 11:e2200866. [PMID: 36063047 PMCID: PMC9780169 DOI: 10.1002/adhm.202200866] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 08/02/2022] [Indexed: 01/28/2023]
Abstract
Soft tissue injuries such as volumetric muscle loss (VML) are often too large to heal normally on their own, resulting in scar formation and functional deficits. Decellularized extracellular matrix (dECM) scaffolds placed into these wounds have shown the ability to modulate the immune response and drive constructive healing. This provides a potential solution for functional tissue regeneration, however, these acellular dECM scaffolds are challenging to fabricate into complex geometries. 3D bioprinting is uniquely positioned to address this, being able to create patient-specific scaffolds based on clinical 3D imaging data. Here, a process to use freeform reversible embedding of suspended hydrogels (FRESH) 3D bioprinting and computed tomography (CT) imaging to build large volume, patient-specific dECM patches (≈12 × 8 × 2 cm) for implantation into canine VML wound models is developed. Quantitative analysis shows that these dECM patches are dimensionally accurate and conformally adapt to the surface of complex wounds. Finally, this approach is extended to a human VML injury to demonstrate the fabrication of clinically relevant dECM scaffolds with precise control over fiber alignment and micro-architecture. Together these advancements represent a step towards an improved, clinically translatable, patient-specific treatment for soft tissue defects from trauma, tumor resection, and other surgical procedures.
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Affiliation(s)
- Anne Behre
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Joshua W Tashman
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Caner Dikyol
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Daniel J Shiwarski
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Raphael J Crum
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Scott A Johnson
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Remya Kommeri
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - George S Hussey
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Stephen F Badylak
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Adam W Feinberg
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
- Department of Materials Science & Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
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29
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Molecular mechanisms of exercise contributing to tissue regeneration. Signal Transduct Target Ther 2022; 7:383. [PMID: 36446784 PMCID: PMC9709153 DOI: 10.1038/s41392-022-01233-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 10/03/2022] [Accepted: 10/17/2022] [Indexed: 12/03/2022] Open
Abstract
Physical activity has been known as an essential element to promote human health for centuries. Thus, exercise intervention is encouraged to battle against sedentary lifestyle. Recent rapid advances in molecular biotechnology have demonstrated that both endurance and resistance exercise training, two traditional types of exercise, trigger a series of physiological responses, unraveling the mechanisms of exercise regulating on the human body. Therefore, exercise has been expected as a candidate approach of alleviating a wide range of diseases, such as metabolic diseases, neurodegenerative disorders, tumors, and cardiovascular diseases. In particular, the capacity of exercise to promote tissue regeneration has attracted the attention of many researchers in recent decades. Since most adult human organs have a weak regenerative capacity, it is currently a key challenge in regenerative medicine to improve the efficiency of tissue regeneration. As research progresses, exercise-induced tissue regeneration seems to provide a novel approach for fighting against injury or senescence, establishing strong theoretical basis for more and more "exercise mimetics." These drugs are acting as the pharmaceutical alternatives of those individuals who cannot experience the benefits of exercise. Here, we comprehensively provide a description of the benefits of exercise on tissue regeneration in diverse organs, mainly focusing on musculoskeletal system, cardiovascular system, and nervous system. We also discuss the underlying molecular mechanisms associated with the regenerative effects of exercise and emerging therapeutic exercise mimetics for regeneration, as well as the associated opportunities and challenges. We aim to describe an integrated perspective on the current advances of distinct physiological mechanisms associated with exercise-induced tissue regeneration on various organs and facilitate the development of drugs that mimics the benefits of exercise.
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30
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Liu J, Liao Z, Wang J, Xiang H, Zhu X, Che X, Tang Y, Xie J, Mao C, Zhao H, Xiong Y. Research on skeletal muscle impact injury using a new rat model from a bioimpact machine. Front Bioeng Biotechnol 2022; 10:1055668. [PMID: 36452210 PMCID: PMC9701740 DOI: 10.3389/fbioe.2022.1055668] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 10/28/2022] [Indexed: 08/26/2023] Open
Abstract
Introduction: Skeletal muscle impact injury occurs frequently during sports, falls, and road traffic accidents. From the reported studies on skeletal muscle injury, it is difficult to determine the injury parameters. Therefore, we developed a new model of gastrocnemius impact injury in rats with a bioimpact machine, with which the experimental operation could be conducted in feasibility from the recorded parameters. Through this novel model, we study the skeletal muscle impact injury mechanisms by combining temporal and spatial variation. Methods: The gastrocnemius of anesthetized rats was injured by a small pneumatic-driven bioimpact machine; the moving speed and impact force were determined, and the whole impact process was captured by a high-speed camera. We observed the general condition of rats and measured the changes in injured calf circumference, evaluating calf injuries using MRI, gait analysis system, and pathology at different times after the injury. Results: The gastrocnemius was injured at an impact speed of 6.63 m/s ± 0.25 m/s and a peak force of 1,556.80 N ± 110.79 N. The gait analysis system showed that the footprint area of the RH limb decreased significantly on the first day and then increased. The calf circumference of the injured limb increased rapidly on the first day post-injury and then decreased in the next few days. MRI showed edema of subcutaneous and gastrocnemius on the first day, and the area of edema decreased over the following days. HE staining showed edema of cells, extensive hyperemia of blood vessels, and infiltration of inflammatory cells on the first day. Cell edema was alleviated day by day, but inflammatory cell infiltration was the most on the third day. TEM showed that the sarcoplasmic reticulum was dilated on the first day, the mitochondrial vacuolation was obvious on the second day, and the glycogen deposition was prominent on the fifth day. Conclusion: In our experiment, we developed a new and effective experimental animal model that was feasible to operate; the injured area of the gastrocnemius began to show "map-like" changes in the light microscope on the third day. Meanwhile, the gastrocnemius showed a trend of "edema-mitochondrial vacuolation-inflammatory cell aggregation" after impact injury.
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Affiliation(s)
- Jun Liu
- Department of Orthopedics, Daping Hospital, Army Medical University, Chongqing, China
| | - Zhikang Liao
- Institute for Traffic Medicine, Daping Hospital, Army Medical University, Chongqing, China
| | - Jingkun Wang
- Department of Orthopedics, Daping Hospital, Army Medical University, Chongqing, China
| | - Hongyi Xiang
- Institute for Traffic Medicine, Daping Hospital, Army Medical University, Chongqing, China
| | - Xiyan Zhu
- Institute for Traffic Medicine, Daping Hospital, Army Medical University, Chongqing, China
| | - Xingping Che
- Institute for Traffic Medicine, Daping Hospital, Army Medical University, Chongqing, China
| | - Yuqian Tang
- Institute for Traffic Medicine, Daping Hospital, Army Medical University, Chongqing, China
| | - Jingru Xie
- Institute for Traffic Medicine, Daping Hospital, Army Medical University, Chongqing, China
| | - Chengyi Mao
- Department of Pathology, Daping Hospital, Army Medical University, Chongqing, China
| | - Hui Zhao
- Institute for Traffic Medicine, Daping Hospital, Army Medical University, Chongqing, China
| | - Yan Xiong
- Department of Orthopedics, Daping Hospital, Army Medical University, Chongqing, China
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31
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Haider H, Montgomery JR, Spicer PJ. Rectus abdominus tear in a collegiate cheerleader. Radiol Case Rep 2022; 18:37-39. [PMID: 36324841 PMCID: PMC9619325 DOI: 10.1016/j.radcr.2022.09.083] [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: 09/02/2022] [Revised: 09/21/2022] [Accepted: 09/25/2022] [Indexed: 11/20/2022] Open
Abstract
Acute muscle injuries can occur at all skill levels across multiple different sports. Imaging is often used for diagnosis and is necessary for recognizing the extent of injury, complications, and overall prognosis. Ultrasound can be used in diagnosing muscle tears. However, there are less than a dozen documented cases that use ultrasound in the evaluation and diagnosis of a rectus abdominus tear, though the actual number of cases are most likely underreported in the literature. This case discusses an 18-year-old college athlete that suffered a distal rectus abdominus tear after performing a stunt as a cheerleader and her subsequent treatment.
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Affiliation(s)
- Hassan Haider
- University of Kentucky School of Medicine, 800 Rose Street, Lexington, KY 40536, USA
| | - Justin R. Montgomery
- University of Kentucky Medical Center, Department of Radiology, 800 Rose Street, HX 315, Lexington, KY 40536, USA
| | - Paul J. Spicer
- University of Kentucky Medical Center, Department of Radiology, 800 Rose Street, HX 315, Lexington, KY 40536, USA,Corresponding author.
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32
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Zhao J, Huang H, Xu Q, Pan Q, Guo J. Quantitative assessment of changes in skeletal muscle injury by computer-aided analysis based on two-dimensional ultrasonography combined with contrast-enhanced ultrasonography and estimated by a modified semi-quantitative scoring system: An experimental study in a contusion model. Int J Exp Pathol 2022; 103:208-218. [PMID: 35752880 PMCID: PMC9482354 DOI: 10.1111/iep.12447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 04/11/2022] [Accepted: 04/30/2022] [Indexed: 11/30/2022] Open
Abstract
The aim of this study was to investigate the potential application of computer-aided analysis in the quantitative assessment of changes in skeletal muscle injury in the rabbit contusion model. Forty healthy rabbits were randomly divided into control (n = 5) and contusion (n = 35) groups. Rabbits in the contusion group were used to construct a muscle contusion model induced by a hammer hitting the right gastrocnemius, while the muscles of rabbits in the control group were non-injured. Two-dimensional ultrasound (2D US) and contrast-enhanced ultrasonography (CEUS) were performed on the rabbits that had received skeletal muscle contusion injury at 1 h, and 1, 3, 7, 14, 21 and 28 days after injury. Afterwards, a multiscale blob feature (MBF) method was used to extract the textural features from the 2D US, and the muscle injuries were quantitatively evaluated. The eight textural parameters of skeletal muscle analysed by MBF at 1 h, and 1, 3 and 7 days post-injury were found to be significantly higher in the contusion group than in the control group (p < .05). On Day 14, the textural parameters (e.g., greyscale mean [Mean], greyscale standard deviation [SDev], number of blobs, average size of blobs, homogeneity of distribution, periodicity of distribution [POD] and irregularity) were also evidently higher in the contusion group than in the control group (p < .05). On Day 28, Mean, SDev and POD in the contusion group were markedly higher (p < .05). After that, the microcirculation in the injured areas increased from Day 7 to Day 21 after injury, but decreased on Day 28 after injury. Thus the quantitative assessment of changes in skeletal muscle injury (SMI) using computer-aided analysis allowed us to describe the geometric features of injured muscle fibres and the microperfusion changes estimated by the modified semi-quantitative scoring system. This provides a scientific basis for the development of a novel approach for the evaluation of SMI and rehabilitation process.
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Affiliation(s)
- Jiaqi Zhao
- Department of Ultrasound, Changzheng HospitalNaval Medical UniversityShanghaiChina
| | - Hejing Huang
- Department of Ultrasound, Changzheng HospitalNaval Medical UniversityShanghaiChina
| | - Qi Xu
- Department of Information EngineeringShanghai Maritime UniversityShanghaiChina
| | - Qian Pan
- Department of Ultrasound, Changzheng HospitalNaval Medical UniversityShanghaiChina
| | - Jia Guo
- Department of Ultrasound, Shuguang HospitalShanghai University of Traditional Chinese MedicineShanghaiChina
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33
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Khalili A, Noziere R, Vaughn ET, Freeman JW. Self‐actuating
multilayer scaffold for skeletal muscle tissue engineering. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Amin Khalili
- Department of Biomedical Engineering Rutgers University Piscataway New Jersey USA
| | - Rocheny Noziere
- Department of Biomedical Engineering Rutgers University Piscataway New Jersey USA
| | - Emma Tuberty Vaughn
- Department of Biomedical Engineering Rutgers University Piscataway New Jersey USA
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Pinho RA, Haupenthal DPS, Fauser PE, Thirupathi A, Silveira PCL. Gold Nanoparticle-Based Therapy for Muscle Inflammation and Oxidative Stress. J Inflamm Res 2022; 15:3219-3234. [PMID: 35668914 PMCID: PMC9166907 DOI: 10.2147/jir.s327292] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 05/27/2022] [Indexed: 12/13/2022] Open
Abstract
Proinflammatory cytokines and reactive oxygen species are released after muscle damage, and although they are necessary for the muscle regeneration process, an excess of these substances leads to the destruction of biomolecules and impairment of the repair system. Several drugs have emerged in recent years to control the muscle inflammatory response, and studies have shown that gold nanoparticles (AuNPs) have anti-inflammatory and antioxidant properties. This review reveals the effects of AuNPs on the inflammatory and redox mechanisms of muscles. We assessed the results of several studies published in different journals over the last 20 years, with a focus on the effects of AuNPs on possible aspects of muscle regeneration or recovery, namely, inflammatory processes and redox system mechanisms. A systematic database search was conducted using PubMed, Medline, Bireme, Web of Science, and Google Scholar to identify peer-reviewed studies from the 2000s. Combinations of keywords related to muscle damage, regeneration or repair, AuNPs, oxidative stress, and antioxidants were used in the search. This review did not address other variables, such as specific diseases or other biological effects; however, these variables should be considered for a complete understanding of the effects of AuNPs on skeletal muscles.
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Affiliation(s)
- Ricardo A Pinho
- Laboratory of Exercise Biochemistry in Health, Graduate Program in Health Sciences, School of Life Sciences and Medicine, Pontifícia Universidade Católica Do Paraná, Curitiba, Paraná, Brazil.,Faculty of Sports Science, Ningbo University, Ningbo, People's Republic of China
| | - Daniela P S Haupenthal
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade Do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
| | - Paulo Emílio Fauser
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade Do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
| | - Anand Thirupathi
- Faculty of Sports Science, Ningbo University, Ningbo, People's Republic of China
| | - Paulo C L Silveira
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade Do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
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Chen Y, Luo Z, Lin J, Qi B, Sun Y, Li F, Guo C, Lin W, Kang X, He X, Wang Q, Chen S, Chen J. Exploring the Potential Mechanisms of Melilotus officinalis (L.) Pall. in Chronic Muscle Repair Patterns Using Single Cell Receptor-Ligand Marker Analysis and Molecular Dynamics Simulations. DISEASE MARKERS 2022; 2022:9082576. [PMID: 35692879 PMCID: PMC9177293 DOI: 10.1155/2022/9082576] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 02/28/2022] [Accepted: 04/26/2022] [Indexed: 02/07/2023]
Abstract
Information regarding the function of Melilotus officinalis (L.) Pall. in skeletal muscles is still unknown. In this study, we explored the possible regulatory targets of M. (L.) Pall. that affects the repair patterns in chronic muscle injury. We analyzed the potential target genes and chemical composition of M. (L.) Pall. and constructed a "drug-component-disease target genes" network analysis. Five active ingredients and 87 corresponding targets were obtained. Muscle-tendon junction (MTJ) cells were used to perform receptor-ligand marker analysis using the CellphoneDB algorithm. Targets of M. (L.) Pall. were screened further for the cellular ligand-receptor protein action on MTJs. Enrichment analysis suggests that those protein-associated ligand receptors may be associated with a range of intercellular signaling pathways. Molecular docking validation was then performed. Five proteins (CCL2, VEGFA, MMP2, MET, and EGFR) may be regulated by the active ingredient luteolin and scoparone. Finally, molecular dynamics simulations revealed that luteolin can stably target binding to MMP2. M. (L.) Pall. influences skeletal muscle repair patterns by affecting the fibroblast interactions in the muscle-tendon junctions through the active ingredients luteolin and scoparone.
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Affiliation(s)
- Yisheng Chen
- 1Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhiwen Luo
- 1Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jinrong Lin
- 1Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Beijie Qi
- 1Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yaying Sun
- 1Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Fangqi Li
- 1Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Chenyang Guo
- 2Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai 200080, China
| | - Weiwei Lin
- 3Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009 Zhejiang, China
| | - Xueran Kang
- 4Shanghai Jiao Tong University, Shanghai 200080, China
| | - Xinyi He
- 5State Key Laboratory of Genetics Engineering, Collaborative Innovation Center for Genetics and Development, School Life Sciences and Human Phenome Institute, Fudan University, Shanghai, China
| | - Qian Wang
- 6Postdoctoral Workstation, Department of Central Laboratory, The Affiliated Taian City Central Hospital of Qingdao University, Taian 271000, China
| | - Shiyi Chen
- 1Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Jiwu Chen
- 2Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai 200080, China
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Rehabilitation Using a Systematic and Holistic Approach for the Injured Athlete Returning to Sport. Arthrosc Sports Med Rehabil 2022; 4:e215-e219. [PMID: 35141554 PMCID: PMC8811513 DOI: 10.1016/j.asmr.2021.09.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/07/2021] [Accepted: 09/15/2021] [Indexed: 11/29/2022] Open
Abstract
The purpose of this article is to identify gold standards of care for return to sport following athletic injury, investigate overlooked aspects of return to sport rehabilitation, and provide expert opinion regarding current practices. The article was written by performing a literature review, then providing editorial expert opinion regarding current standards of return to sport. We concluded, through literature review and expert consensus, that a three-pronged approach to return to sport is recommended for therapists. These three prongs are ROM, strength, and hop testing. Cardiovascular readiness and psychological readiness for return to sport must also be assessed.”
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Dünkel J, Tamborrini G. [CME-Sonography 105: Ultrasound in Sports Injuries]. PRAXIS 2022; 111:397-420. [PMID: 35611482 DOI: 10.1024/1661-8157/a003882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
CME-Sonography 105: Ultrasound in Sports Injuries Abstract. Muscle injuries are frequent in athletes and in the general population. For therapy and prognosis, it is important to understand the total extent of the injury and to be aware of possible complications. In most cases ultrasound is a useful tool for diagnostics of muscle injuries. However, muscle ultrasound is not as common as joint ultrasound; this article discusses the possibilities of high-resolution dynamic ultrasound in diagnostics and its limitations.
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Affiliation(s)
| | - Giorgio Tamborrini
- UZR® - Schweizer Ultraschallzentrum und Institut für Rheumatologie, Basel, Schweiz
- Klinik für Rheumatologie, Universitätsspital Basel, Basel, Schweiz
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Expert Consensus on the Contraindications and Cautions of Foam Rolling-An International Delphi Study. J Clin Med 2021; 10:jcm10225360. [PMID: 34830642 PMCID: PMC8622134 DOI: 10.3390/jcm10225360] [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: 09/09/2021] [Revised: 10/27/2021] [Accepted: 11/10/2021] [Indexed: 11/23/2022] Open
Abstract
Background: Foam rolling is a type of self-massage using tools such as foam or roller sticks. However, to date, there is no consensus on contraindications and cautions of foam rolling. A methodological approach to narrow that research gap is to obtain reliable opinions of expert groups. The aim of the study was to develop experts’ consensus on contraindications and cautions of foam rolling by means of a Delphi process. Methods: An international three-round Delphi study was conducted. Academic experts, defined as having (co-) authored at least one PubMed-listed paper on foam rolling, were invited to participate. Rounds 1 and 2 involved generation and rating of a list of possible contraindications and cautions of foam rolling. In round 3, participants indicated their agreement on contraindications and cautions for a final set of conditions. Consensus was evaluated using a priori defined criteria. Consensus on contraindications and cautions was considered as reached if more than 70% of participating experts labeled the respective item as contraindication and contraindication or caution, respectively, in round 3. Results: In the final Delphi process round, responses were received from 37 participants. Panel participants were predominantly sports scientists (n = 21), physiotherapists (n = 6), and medical professionals (n = 5). Consensus on contraindications was reached for open wounds (73% agreement) and bone fractures (84%). Consensus on cautions was achieved for local tissue inflammation (97%), deep vein thrombosis (97%), osteomyelitis (94%), and myositis ossificans (92%). The highest impact/severity of an adverse event caused by contraindication/cautions was estimated for bone fractures, deep vein thrombosis, and osteomyelitis. Discussion: The mechanical forces applied through foam rolling can be considered as potential threats leading to adverse events in the context of the identified contraindications and cautions. Further evaluations by medical professionals as well as the collection of clinical data are needed to assess the risks of foam rolling and to generate guidance for different applications and professional backgrounds.
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Eugenis I, Wu D, Rando TA. Cells, scaffolds, and bioactive factors: Engineering strategies for improving regeneration following volumetric muscle loss. Biomaterials 2021; 278:121173. [PMID: 34619561 PMCID: PMC8556323 DOI: 10.1016/j.biomaterials.2021.121173] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 08/01/2021] [Accepted: 08/14/2021] [Indexed: 12/20/2022]
Abstract
Severe traumatic skeletal muscle injuries, such as volumetric muscle loss (VML), result in the obliteration of large amounts of skeletal muscle and lead to permanent functional impairment. Current clinical treatments are limited in their capacity to regenerate damaged muscle and restore tissue function, promoting the need for novel muscle regeneration strategies. Advances in tissue engineering, including cell therapy, scaffold design, and bioactive factor delivery, are promising solutions for VML therapy. Herein, we review tissue engineering strategies for regeneration of skeletal muscle, development of vasculature and nerve within the damaged muscle, and achievements in immunomodulation following VML. In addition, we discuss the limitations of current state of the art technologies and perspectives of tissue-engineered bioconstructs for muscle regeneration and functional recovery following VML.
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Affiliation(s)
- Ioannis Eugenis
- Department of Bioengineering, Stanford University, Stanford, CA, USA; Center for Tissue Regeneration, Repair, and Restoration, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Di Wu
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA; Center for Tissue Regeneration, Repair, and Restoration, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Thomas A Rando
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA; Paul F. Glenn Center for the Biology of Aging, Stanford University School of Medicine, Stanford, CA, USA; Center for Tissue Regeneration, Repair, and Restoration, Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA.
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Álvarez-Zafra M, Yanci J, García-Tabar I, Bikandi E, Etxaleku S, Izquierdo M, Krosshaug T, Fernandez-Lasa U, Setuain I. Functional and Anthropometrical Screening Test among High Performance Female Football Players: A Descriptive Study with Injury Incidence Analysis, the Basque Female Football Cohort (BFFC) Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:10658. [PMID: 34682404 PMCID: PMC8535649 DOI: 10.3390/ijerph182010658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 10/03/2021] [Accepted: 10/07/2021] [Indexed: 11/17/2022]
Abstract
The main objectives of the present study were to describe the injury incidence and to analyze the anthropometric and physical characteristics of players from three high-level women's football teams. The present study involved 54 female football players (21.9 ± 4.9 years old) from three different teams competing in the Spanish Reto Iberdrola-Segunda División PRO league. A battery of tests was carried out to determine the anthropometric and physical performance characteristics of the players along with an injury incidence record during a full competitive season. The obtained results showed that there was a high incidence of injury, as 38% of the players suffered some type of injury during the season (range 1-5; 1.75 ± 1.02 injuries per player). Injuries occurred in both matches and during training at a similar percentage (48.6 vs. 51.4%), and the majority of the registered episodes were graded as moderate or severe injury types (60%). Players suffering from an injury accumulated a total of 1587 chronological days off work due to injury during the season, with a recurrence rate of 55%. Considering the high incidence of injury, and the injury burden and the reinjure rate observed in this research, it seems necessary to apply the most efficient prevention and recovery measures possible in these female football teams. These descriptive data could serve athletic trainers and medical staff of female football teams to better understand their own screening procedure-derived data.
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Affiliation(s)
- Marta Álvarez-Zafra
- Faculty of Education and Sport, University of the Basque Country (UPV/EHU), 01007 Vitoria-Gasteiz, Spain;
| | - Javier Yanci
- Society, Sports and Physical Exercise Research Group (GIKAFIT), Department of Physical Education and Sport, Faculty of Education and Sport, University of the Basque Country (UPV/EHU), 01007 Vitoria-Gasteiz, Spain; (I.G.-T.); (U.F.-L.)
| | - Ibai García-Tabar
- Society, Sports and Physical Exercise Research Group (GIKAFIT), Department of Physical Education and Sport, Faculty of Education and Sport, University of the Basque Country (UPV/EHU), 01007 Vitoria-Gasteiz, Spain; (I.G.-T.); (U.F.-L.)
| | - Eder Bikandi
- Navarrabiomed, Complejo Hospitalario de Navarra (CHN)-Public University of Navarra (UPNA), Navarra Institute for Health Research (IdiSNA), 31006 Pamplona, Spain; (E.B.); (M.I.); (I.S.)
| | - Saioa Etxaleku
- Clinical Research Department, TDN, Advanced Rehabilitation Center, 31006 Pamplona, Spain;
| | - Mikel Izquierdo
- Navarrabiomed, Complejo Hospitalario de Navarra (CHN)-Public University of Navarra (UPNA), Navarra Institute for Health Research (IdiSNA), 31006 Pamplona, Spain; (E.B.); (M.I.); (I.S.)
| | - Tron Krosshaug
- Oslo Sports Trauma Research Center, Department of Sports Medicine, Norwegian School of Sport Sciences, 0806 Oslo, Norway;
| | - Uxue Fernandez-Lasa
- Society, Sports and Physical Exercise Research Group (GIKAFIT), Department of Physical Education and Sport, Faculty of Education and Sport, University of the Basque Country (UPV/EHU), 01007 Vitoria-Gasteiz, Spain; (I.G.-T.); (U.F.-L.)
| | - Igor Setuain
- Navarrabiomed, Complejo Hospitalario de Navarra (CHN)-Public University of Navarra (UPNA), Navarra Institute for Health Research (IdiSNA), 31006 Pamplona, Spain; (E.B.); (M.I.); (I.S.)
- Clinical Research Department, TDN, Advanced Rehabilitation Center, 31006 Pamplona, Spain;
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Zhang C, Jia S, Huang J, Peng H, Zhang J, Liu L, Zhang W, Xin H, Wang X. A carbonized wormwood modified photothermal microneedle patch for the repair of damaged skeletal muscles. J Mater Chem B 2021; 9:8014-8020. [PMID: 34477628 DOI: 10.1039/d1tb00610j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, we aimed to achieve an efficient repair of damaged skeletal muscles using polyvinyl alcohol (PVA) soluble microneedle patches (MNP) loaded with carbonized wormwood and prostaglandin E2 (inflammatory factors). The introduction of carbonized wormwood imparted the MNP with near-infrared light heating characteristics that improved the efficiency of prostaglandin E2 delivery while also promoting circulation in the damaged muscle area. Our experimental results showed that, compared with the classical moxibustion treatment, the system could more quickly restore muscle strength and the cross-sectional area of muscle bundle fibers in a mouse model of muscular injury. In addition, it could also successfully induce the proliferation and differentiation of muscle stem cells to effectively repair injured muscle tissues. Above all, this light-controlled photothermal MN (microneedle) drug-delivery system avoided the common problems of traditional moxibustion such as large levels of smoke, slow efficacy and risk of scalding. Collectively, we put forward a safe, accurate and efficient approach for skeletal muscle damage treatment using carbonized wormwood.
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Affiliation(s)
- Chuxi Zhang
- The First Clinical Medical College, Nanchang University, Nanchang, Jiangxi 330088, China
| | - Shuang Jia
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, China.
| | - Jinlong Huang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, China.
| | - Haichuan Peng
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, China.
| | - Jiao Zhang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, China.
| | - Lubing Liu
- The First Clinical Medical College, Nanchang University, Nanchang, Jiangxi 330088, China
| | - Wei Zhang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, China.
| | - Hongbo Xin
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, China.
| | - Xiaolei Wang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi 330088, China. .,College of Chemistry, Nanchang University, Nanchang, Jiangxi 330088, China
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Paoletta M, Moretti A, Liguori S, Snichelotto F, Menditto I, Toro G, Gimigliano F, Iolascon G. Ultrasound Imaging in Sport-Related Muscle Injuries: Pitfalls and Opportunities. MEDICINA (KAUNAS, LITHUANIA) 2021; 57:medicina57101040. [PMID: 34684077 PMCID: PMC8540210 DOI: 10.3390/medicina57101040] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 02/05/2023]
Abstract
Muscle injuries occur frequently in athletes, accounting for more than one-third of sport-related trauma. Athletes most affected by these injuries are those practicing football and track and field, with hamstrings and gastrocnemius-soleus as the mainly involved sites. Muscle injuries lead to loss of competitions, long recovery times and risk of re-injury with a consequent increase of the management costs. It is therefore advisable to make an accurate and timely diagnosis to establish appropriate interventions for proper healing in the shortest time. In this context, ultrasound imaging is widely used for diagnosis of musculoskeletal disorders because of several advantages including absence of radiation, portability, good spatial resolution, and the ability to perform dynamic tests. The aim of this review is to address the role of US in the evaluation of athletes with muscle injuries. US may play a pivotal role for the management of sport-related muscle injuries because it is fast and relatively cheap, allowing dynamic muscle assessment and time series evaluation of the healing process.
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Affiliation(s)
- Marco Paoletta
- Department of Medical and Surgical Specialties and Dentistry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (M.P.); (S.L.); (F.S.); (I.M.); (G.T.); (G.I.)
| | - Antimo Moretti
- Department of Medical and Surgical Specialties and Dentistry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (M.P.); (S.L.); (F.S.); (I.M.); (G.T.); (G.I.)
- Correspondence: ; Tel.: +39-081-566-5537
| | - Sara Liguori
- Department of Medical and Surgical Specialties and Dentistry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (M.P.); (S.L.); (F.S.); (I.M.); (G.T.); (G.I.)
| | - Francesco Snichelotto
- Department of Medical and Surgical Specialties and Dentistry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (M.P.); (S.L.); (F.S.); (I.M.); (G.T.); (G.I.)
| | - Ilaria Menditto
- Department of Medical and Surgical Specialties and Dentistry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (M.P.); (S.L.); (F.S.); (I.M.); (G.T.); (G.I.)
| | - Giuseppe Toro
- Department of Medical and Surgical Specialties and Dentistry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (M.P.); (S.L.); (F.S.); (I.M.); (G.T.); (G.I.)
| | - Francesca Gimigliano
- Department of Mental and Physical Health and Preventive Medicine, University of Campania Luigi Vanvitelli, 81100 Naples, Italy;
| | - Giovanni Iolascon
- Department of Medical and Surgical Specialties and Dentistry, University of Campania Luigi Vanvitelli, 80138 Naples, Italy; (M.P.); (S.L.); (F.S.); (I.M.); (G.T.); (G.I.)
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Indirect Structural Muscle Injuries of Lower Limb: Rehabilitation and Therapeutic Exercise. J Funct Morphol Kinesiol 2021; 6:jfmk6030075. [PMID: 34564194 PMCID: PMC8482242 DOI: 10.3390/jfmk6030075] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 11/17/2022] Open
Abstract
Muscle injuries are the most common trauma in team and individual sports. The muscles most frequently affected are those of the lower limb, and in particular hamstrings, adductors, rectus femoris and calf muscles. Although several scientific studies have tried to propose different rehabilitation protocols, still too often the real rehabilitation process is not based on scientific knowledge, especially in non-elite athletes. Moreover, the growing use of physical and instrumental therapies has made it increasingly difficult to understand what can be truly effective. Therefore, the aim of the present paper is to review proposed therapeutic algorithms for muscle injuries, proposing a concise and practical summary. Following a three-phase rehabilitation protocol, this review aims to describe the conservative treatment of indirect structural muscle injuries, which are the more routinely found and more challenging type. For each phase, until return to training and return to sport are completed, the functional goal, the most appropriate practitioner, and the best possible treatment according to current evidence are expressed. Finally, the last section is focused on the specific exercise rehabilitation for the four main muscle groups with a structured explanatory timetable.
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Çölbe SA, Çiftdemir M, Ustabaşıoğlu FE, Özgür C. Iatrogenic gluteus medius muscle insertion injury while trochanteric entry nailing due to trochanteric fractures: a comparative study in forty patients with gray-scale ultrasound and shear-wave elastography. INTERNATIONAL ORTHOPAEDICS 2021; 45:3253-3261. [PMID: 34448922 DOI: 10.1007/s00264-021-05177-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 07/30/2021] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Trochanteric entry nailing potentially causes damage to the gluteus medius (GM) tendon. The aim of this study is to determine the amount of iatrogenic damage to the tendon during reaming by measuring the thickness and stiffness of the GM muscle in patients with trochanteric fractures who are treated with trochanteric entry nails using gray-scale ultrasound (GSUS) and shear-wave elastography (SWE). METHODS Thickness and stiffness values of bilateral GM muscles in 40 patients with trochanteric fractures treated with PFN-A were measured using GSUS and SWE at post-operative sixth week or later. Harris Hip Scores and bilateral active hip abduction measurements of the patients were recorded. The data was analyzed using statistical methods to assess the extent and amount of iatrogenic injury that occurred during trochanteric entry. RESULTS Mean age of the patients was 70. Thirty-three fractures occurred with low-energy trauma. In the SWE evaluation, there was no statistically significant difference between ipsi- and contralateral GM muscle thickness measurements or ipsi- and contralateral GM muscle stiffness measurements. Also, the difference between the clinical evaluation results of the ipsi- and contralateral hip functions was not statistically significant. DISCUSSION In this study, we used the Harris Hip Score and hip abduction range of motion in addition to SWE and GSUS in order to assess the patients' functional status. There are studies in the literature that report significant injury to the GM tendon with cephalomedullary nailing. The majority of these studies are cadaver studies with only clinically irrelevant or uncertain evidence. In this study, we aimed to evaluate the potential negative effects of the iatrogenic damage to the bone-tendon junction during nailing, by measuring the stiffness (consistency) and atrophy of the GM muscle alongside the functional evaluation. CONCLUSION We have found no statistically significant difference between operated and intact side GM muscles in terms of stiffness, atrophy, and functional evaluation in patients with TFs treated using PFN-A. The results of our study should not be interpreted as trochanteric entry nailing does not cause any damage on the GM tendon.
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Affiliation(s)
- Süleyman Alp Çölbe
- Department of Orthopedics and Traumatology, Faculty of Medicine, Trakya University, Balkan Yerleşkesi, 22030, Edirne, Turkey
| | - Mert Çiftdemir
- Department of Orthopedics and Traumatology, Faculty of Medicine, Trakya University, Balkan Yerleşkesi, 22030, Edirne, Turkey.
| | - Fethi Emre Ustabaşıoğlu
- Department of Radiology, Faculty of Medicine, Trakya University, Balkan Yerleşkesi, 22030, Edirne, Turkey
| | - Cihan Özgür
- Department of Radiology, Faculty of Medicine, Trakya University, Balkan Yerleşkesi, 22030, Edirne, Turkey
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Mini review: Biomaterials in repair and regeneration of nerve in a volumetric muscle loss. Neurosci Lett 2021; 762:136145. [PMID: 34332029 DOI: 10.1016/j.neulet.2021.136145] [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: 10/16/2020] [Revised: 06/28/2021] [Accepted: 07/26/2021] [Indexed: 01/23/2023]
Abstract
Volumetric muscle loss (VML) following a severe trauma or injury is beyond the intrinsic regenerative capacity of muscle tissues, and hence interventional therapy is required. Extensive muscle loss concomitant with damage to neuromuscular components overwhelms the muscles' remarkable regenerative capacity. The loss of nervous and vascular tissue leads to further damage and atrophy, so a combined treatment for neuromuscular junction (NMJ) along with the volumetric muscle regeneration is important. There have been immense advances in the field of tissue engineering for skeletal muscle tissue and peripheral nerve regeneration, but very few address the interdependence of the tissues and the need for combined therapies to repair and regenerate fully functional muscle tissue. This review addresses the problem and presents an overview of the biomaterials that have been studied for tissue engineering of neuromuscular tissues associated with skeletal muscles.
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Silva NC, Alvarez AM, DeOcesano-Pereira C, Fortes-Dias CL, Moreira V. Catalytically active phospholipase A 2 myotoxin from Crotalus durissus terrificus induces proliferation and differentiation of myoblasts dependent on prostaglandins produced by both COX-1 and COX-2 pathways. Int J Biol Macromol 2021; 187:603-613. [PMID: 34314795 DOI: 10.1016/j.ijbiomac.2021.07.121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/18/2021] [Accepted: 07/19/2021] [Indexed: 01/18/2023]
Abstract
Although crotoxin B (CB) is a well-established catalytically active secretory phospholipase A2 group IIA (sPLA2-IIA) myotoxin, we investigated its potential stimulatory effect on myogenesis with the involvement of prostaglandins (PGs) produced by cyclooxygenase (COX)-1 and -2 pathways. Myoblast C2C12 were cultured in proliferation or commitment protocols and incubated with CB followed by lumiracoxib (selective COX-2 inhibitor) or valeryl salicylate (selective COX-1 inhibitor) and subjected to analysis of PG release, cell proliferation and activation of myogenic regulatory factors (MRFs). Our data showed that CB in non-cytotoxic concentrations induces an increase of COX-2 protein expression and stimulates the activity of both COX isoforms to produce PGE2, PGD2 and 15d-PGJ2. CB induced an increase in the proliferation of C2C12 myoblast cells dependent on PGs from both COX-1 and COX-2 pathways. In addition, CB stimulated the activity of Pax7, MyoD, Myf5 and myogenin in proliferated cells. Otherwise, CB increased myogenin activity but not MyoD in committed cells. Our findings evidence the role of COX-1- and COX-2-derived PGs in modulating CB-induced activation of MRFs. This study contributes to the knowledge that CB promote early myogenic events via regulatory mechanisms on PG-dependent COX pathways, showing new concepts about the effect of sPLA2-IIA in skeletal muscle repair.
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Affiliation(s)
- Nadine C Silva
- Pharmacology Department, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil
| | - Angela M Alvarez
- Pharmacology Department, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil; Centre of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, SP 05503-900, Brazil.
| | - Carlos DeOcesano-Pereira
- Centre of Excellence in New Target Discovery (CENTD), Butantan Institute, São Paulo, SP 05503-900, Brazil.
| | | | - Vanessa Moreira
- Pharmacology Department, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP 04044-020, Brazil.
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Uddin SMZ, Komatsu DE, Motyka T, Petterson S. Low-Intensity Continuous Ultrasound Therapies—A Systematic Review of Current State-of-the-Art and Future Perspectives. J Clin Med 2021; 10:2698. [PMID: 34207333 PMCID: PMC8235587 DOI: 10.3390/jcm10122698] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/10/2021] [Accepted: 06/14/2021] [Indexed: 01/02/2023] Open
Abstract
Therapeutic ultrasound has been studied for over seven decades for different medical applications. The versatility of ultrasound applications are highly dependent on the frequency, intensity, duration, duty cycle, power, wavelength, and form. In this review article, we will focus on low-intensity continuous ultrasound (LICUS). LICUS has been well-studied for numerous clinical disorders, including tissue regeneration, pain management, neuromodulation, thrombosis, and cancer treatment. PubMed and Google Scholar databases were used to conduct a comprehensive review of all research studying the application of LICUS in pre-clinical and clinical studies. The review includes articles that specify intensity and duty cycle (continuous). Any studies that did not identify these parameters or used high-intensity and pulsed ultrasound were not included in the review. The literature review shows the vast implication of LICUS in many medical fields at the pre-clinical and clinical levels. Its applications depend on variables such as frequency, intensity, duration, and type of medical disorder. Overall, these studies show that LICUS has significant promise, but conflicting data remain regarding the parameters used, and further studies are required to fully realize the potential benefits of LICUS.
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Affiliation(s)
- Sardar M. Z. Uddin
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY 11794, USA;
| | - David E. Komatsu
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY 11794, USA;
| | - Thomas Motyka
- Department of Osteopathic Manipulative Medicine, Campbell University, Buies Creek, NC 27506, USA;
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Haug M, Ritter P, Michael M, Reischl B, Schurmann S, Prols G, Friedrich O. Structure-Function Relationships in Muscle Fibres: MyoRobot online Assessment of Muscle Fibre Elasticity and Sarcomere Length Distributions. IEEE Trans Biomed Eng 2021; 69:148-155. [PMID: 34133271 DOI: 10.1109/tbme.2021.3089739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Muscle biomechanics is set by the spacing of repetitive striation patterns of individual sarcomeres within single muscle fibres of stacked myofibrils. Sarcomere lengths (SL) are rather unequally distributed than of equal distance. This non-uniformity may affect both, force production as well as passive-elastic deformation. However, online recording of SL during axially imposed strains is cumbersome due to a lack of compact technologies. METHODS To fuse SL pattern recognition with restoration force assessments during quasi-static axial stretch, we implemented live tracking of SL distributions simultaneous to voice-coil actuated stretch and restoration force recordings in our MyoRobot 2.0 automated biomechatronics platform. Both were obtained online during stretchrelaxation cycles of murine single muscle fibres. RESULTS Under quasi-static stretch conditions (∼1 μm/s fibre length changes), almost no apparent hysteresis was detected in single fibres. SL showed a non-uniform distribution. While mean SL varied between 2.6 μm and 3.4 μm upon 140% stretch, two populations of fibres were noticed: one showing a minor change in SL distribution with stretch, and one becoming more equally distributed upon stretch. CONCLUSION A roughly 5% SL variability under rest either diminishes or remains almost unaltered upon elastic axial deformation. This may reflect differential impact of mostly extra-sarcomeric components to stretch in this stretch range. SIGNIFICANCE The augmented functionality of the MyoRobot 2.0 towards online sarcomere analyses within single fibres shall provide a valuable tool for the muscle community to study the contribution of serial elastic and force producing elements in health and disease models.
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Lanuza Lagunilla L, Ramírez Barragán A, Miranda Gorozarri C. Ossifying myositis in the infant. About a case. Rev Esp Cir Ortop Traumatol (Engl Ed) 2021. [DOI: 10.1016/j.recote.2021.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Dos Santos Haupenthal DP, de Bem Silveira G, Zaccaron RP, Corrêa MEAB, de Souza PS, Filho MCB, de Roch Casagrande L, de Melo Cardoso M, Rigo FK, Haupenthal A, Silveira PCL. Effects of cryotherapy on the regeneration process and muscular mechanical properties after lacerative injury model. Scand J Med Sci Sports 2021; 31:610-622. [PMID: 33176018 DOI: 10.1111/sms.13872] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 10/21/2020] [Accepted: 10/26/2020] [Indexed: 12/26/2022]
Abstract
Cryotherapy is a therapeutic modality widely used for the treatment of muscle injuries to control pain and inflammatory processes. This study aimed to investigate the effects of cryotherapy on the inflammatory and oxidative stress parameters and mechanical properties of, and pain in, the skeletal muscles of rats with lacerative muscle injury. The rats were anesthetized with 4% isoflurane and subjected to gastrocnemius muscle laceration injury. After injury, all animals in the intervention groups received cryotherapy treatment for 20 minutes using plastic bags containing crushed ice. The protocol comprised three daily applications at 3-hour intervals on the day of injury, with reapplication 24 hours later. Seventy-two male Wistar rats were divided into three groups: sham, muscle injury (MI), and MI + cryotherapy (MI + cryo). Muscle mechanical properties were analyzed by mechanical tensile testing on day 7 after injury. The MI + cryo group showed reduced TNF-α, IFN-γ, and IL1β levels; elevated IL4, IL6, and IL10 levels; reduced oxidant production and carbonyl levels; and elevated sulfhydryl contents. Animals that underwent tissue cooling showed superoxide dismutase activity and glutathione levels close to those of the animals in the sham group. The MI and MI + cryo groups showed reduced values of the evaluated mechanical properties and lower mechanical thresholds compared to those of the animals from the sham group. Our results demonstrated that the proposed cryotherapy protocol reduced the inflammatory process and controlled oxidative stress but did not reverse the changes in the mechanical properties of muscle tissues or provide analgesic effects within the time frame analyzed.
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Affiliation(s)
| | - Gustavo de Bem Silveira
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
| | - Rubya Pereira Zaccaron
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
| | | | - Priscila Soares de Souza
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
| | - Mário Cesar Búrigo Filho
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
| | - Laura de Roch Casagrande
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
| | - Mariana de Melo Cardoso
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
| | - Flávia Karine Rigo
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
| | - Alessandro Haupenthal
- Aging, Resources and Rheumatology Laboratory, Federal University of Santa Catarina, Araranguá, Brazil
| | - Paulo Cesar Lock Silveira
- Laboratory of Experimental Pathophysiology, Graduate Program in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Brazil
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