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Abbassi-Daloii T, el Abdellaoui S, Voortman LM, Veeger TTJ, Cats D, Mei H, Meuffels DE, van Arkel E, 't Hoen PAC, Kan HE, Raz V. A transcriptome atlas of leg muscles from healthy human volunteers reveals molecular and cellular signatures associated with muscle location. eLife 2023; 12:80500. [PMID: 36744868 PMCID: PMC9988256 DOI: 10.7554/elife.80500] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 02/03/2023] [Indexed: 02/07/2023] Open
Abstract
Skeletal muscles support the stability and mobility of the skeleton but differ in biomechanical properties and physiological functions. The intrinsic factors that regulate muscle-specific characteristics are poorly understood. To study these, we constructed a large atlas of RNA-seq profiles from six leg muscles and two locations from one muscle, using biopsies from 20 healthy young males. We identified differential expression patterns and cellular composition across the seven tissues using three bioinformatics approaches confirmed by large-scale newly developed quantitative immune-histology procedures. With all three procedures, the muscle samples clustered into three groups congruent with their anatomical location. Concomitant with genes marking oxidative metabolism, genes marking fast- or slow-twitch myofibers differed between the three groups. The groups of muscles with higher expression of slow-twitch genes were enriched in endothelial cells and showed higher capillary content. In addition, expression profiles of Homeobox (HOX) transcription factors differed between the three groups and were confirmed by spatial RNA hybridization. We created an open-source graphical interface to explore and visualize the leg muscle atlas (https://tabbassidaloii.shinyapps.io/muscleAtlasShinyApp/). Our study reveals the molecular specialization of human leg muscles, and provides a novel resource to study muscle-specific molecular features, which could be linked with (patho)physiological processes.
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Affiliation(s)
| | - Salma el Abdellaoui
- Department of Human Genetics, Leiden University Medical CenterLeidenNetherlands
| | - Lenard M Voortman
- Division of Cell and Chemical Biology, Leiden University Medical CenterLeidenNetherlands
| | - Thom TJ Veeger
- C.J. Gorter MRI Center, Department of Radiology, Leiden University Medical CenterLeidenNetherlands
| | - Davy Cats
- Sequencing Analysis Support Core, Leiden University Medical CenterLeidenNetherlands
| | - Hailiang Mei
- Sequencing Analysis Support Core, Leiden University Medical CenterLeidenNetherlands
| | - Duncan E Meuffels
- Orthopedic and Sport Medicine Department, Erasmus MC, University Medical Center RotterdamRotterdamNetherlands
| | | | - Peter AC 't Hoen
- Department of Human Genetics, Leiden University Medical CenterLeidenNetherlands
- Centre for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboud University Medical CenterRadboudNetherlands
| | - Hermien E Kan
- C.J. Gorter MRI Center, Department of Radiology, Leiden University Medical CenterLeidenNetherlands
- Duchenne Center NetherlandsLeidenNetherlands
| | - Vered Raz
- Department of Human Genetics, Leiden University Medical CenterLeidenNetherlands
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Overbeek CL, Geurkink TH, de Groot FA, Klop I, Nagels J, Nelissen RGHH, de Groot JH. Shoulder movement complexity in the aging shoulder: A cross-sectional analysis and reliability assessment. J Orthop Res 2021; 39:2217-2225. [PMID: 33251589 PMCID: PMC8518861 DOI: 10.1002/jor.24932] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 11/23/2020] [Accepted: 11/25/2020] [Indexed: 02/04/2023]
Abstract
Healthy individuals perform a task such as hitting the head of a nail with an infinite coordination spectrum. This motor redundancy is healthy and allows for learning through exploration and uniform load distribution across muscles. Assessing movement complexity within repetitive movement trajectories may provide insight into the available motor redundancy during aging. We quantified complexity of repetitive arm elevation trajectories in the aging shoulder and assessed test-retest reliability of this quantification. In a cross-sectional study using 3D-electromagnetic tracking, 120 asymptomatic subjects, aged between 18 and 70 years performed repetitive abduction and forward/anteflexion movements. Movement complexity was calculated using the Approximate Entropy (ApEn-value): [0,2], where lower values indicate reduced complexity. Thirty-three participants performed the protocol twice, to determine reliability (intraclass correlation coefficient [ICC]). The association between age and ApEn was corrected for task characteristics (e.g., sample length) with multiple linear regression analysis. Reproducibility was determined using scatter plots and ICC's. Higher age was associated with lower ApEn-values during abduction (unstandardized estimate: -0.003/year; 95% confidence interval: [-0.005; -0.002]; p < .001). ICC's revealed poor to good reliability depending on differences in sample length between repeated measurements. The results may imply more stereotype movement during abduction in the ageing shoulder, making this movement prone to the development of shoulder complaints. Future studies may investigate the pathophysiology and clinical course of shoulder complaints by assessment of movement complexity. To this end, the ApEn-value calculated over repetitive movement trajectories may be used, although biasing factors such as sample length should be taken into account.
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Affiliation(s)
- Celeste L. Overbeek
- Department of OrthopaedicsLeiden University Medical CenterLeidenThe Netherlands,Laboratory for Kinematics and Neuromechanics, Department of Orthopaedics and RehabilitationLeiden University Medical CenterLeidenThe Netherlands
| | - Timon H. Geurkink
- Department of OrthopaedicsLeiden University Medical CenterLeidenThe Netherlands,Laboratory for Kinematics and Neuromechanics, Department of Orthopaedics and RehabilitationLeiden University Medical CenterLeidenThe Netherlands
| | - Fleur A. de Groot
- Laboratory for Kinematics and Neuromechanics, Department of Orthopaedics and RehabilitationLeiden University Medical CenterLeidenThe Netherlands
| | - Ilse Klop
- Laboratory for Kinematics and Neuromechanics, Department of Orthopaedics and RehabilitationLeiden University Medical CenterLeidenThe Netherlands
| | - Jochem Nagels
- Department of OrthopaedicsLeiden University Medical CenterLeidenThe Netherlands
| | | | - Jurriaan H. de Groot
- Laboratory for Kinematics and Neuromechanics, Department of Orthopaedics and RehabilitationLeiden University Medical CenterLeidenThe Netherlands
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Age Differences in Motor Recruitment Patterns of the Shoulder in Dynamic and Isometric Contractions. A Cross-Sectional Study. J Clin Med 2021; 10:jcm10030525. [PMID: 33540507 PMCID: PMC7867168 DOI: 10.3390/jcm10030525] [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: 12/30/2020] [Revised: 01/20/2021] [Accepted: 01/25/2021] [Indexed: 11/20/2022] Open
Abstract
Aging processes in the musculoskeletal system lead to functional impairments that restrict participation. Purpose: To assess differences in the force and motor recruitment patterns of shoulder muscles between age groups to understand functional disorders. A cross-sectional study comparing 30 adults (20–64) and 30 older adults (>65). Surface electromyography (sEMG) of the middle deltoid, upper and lower trapezius, infraspinatus, and serratus anterior muscles was recorded. Maximum isometric voluntary contraction (MIVC) was determined at 45° glenohumeral abduction. For the sEMG signal registration, concentric and eccentric contraction with and without 1 kg and isometric contraction were requested. Participants abducted the arm from 0° up to an abduction angle of 135° for concentric and eccentric contraction, and from 0° to 45°, and remained there at 80% of the MIVC level while isometrically pushing against a handheld dynamometer. Differences in sEMG amplitudes (root mean square, RMS) of all contractions, but also onset latencies during concentric contraction of each muscle between age groups, were analyzed. Statistical differences in strength (Adults > Older adults; 0.05) existed between groups. No significant differences in RMS values of dynamic contractions were detected, except for the serratus anterior, but there were for isometric contractions of all muscles analyzed (Adults > Older adults; 0.05). The recruitment order varied between age groups, showing a general tendency towards delayed onset times in older adults, except for the upper trapezius muscle. Age differences in muscle recruitment patterns were found, which underscores the importance of developing musculoskeletal data to prevent and guide geriatric shoulder pathologies.
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Alcalde-Estévez E, Asenjo-Bueno A, Sosa P, Olmos G, Plaza P, Caballero-Mora MÁ, Rodríguez-Puyol D, Ruíz-Torres MP, López-Ongil S. Endothelin-1 induces cellular senescence and fibrosis in cultured myoblasts. A potential mechanism of aging-related sarcopenia. Aging (Albany NY) 2020; 12:11200-11223. [PMID: 32572011 PMCID: PMC7343454 DOI: 10.18632/aging.103450] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 05/20/2020] [Indexed: 02/06/2023]
Abstract
Endothelial dysfunction, with increased endothelin-1 (ET-1) synthesis, and sarcopenia, characterized by the loss of muscular mass and strength, are two aging–related conditions. However, a relationship between them has not been already established. The aim of this study was to determine whether ET-1 induces senescence and fibrosis in cultured murine myoblasts, which could be involved in the development of sarcopenia related to aging. For this purpose, myoblasts were incubated with ET-1 to assess cellular senescence, analyzed by senescence associated β-galactosidase activity and p16 expression; and fibrosis, assessed by fibronectin expression. ET-1 induced myoblast senescence and fibrosis through ETA receptor. The use of antioxidants and several antagonists revealed that ET-1 effect on senescence and fibrosis depended on ROS production and activation of PI3K-AKT-GSK pathway. To stress the in vivo relevance of these results, circulating ET-1, muscular strength, muscular fibrosis and p16 expression were measured in male C57Bl6 mice from 5-18-24-months-old. Old mice shown high levels of ET-1 correlated with muscular fibrosis, muscular p16 expression and loss of muscle strength. In conclusion, ET-1 promotes fibrosis and senescence in cultured myoblasts, similar results were found in old mice, suggesting a potential role for ET-1 in the development of sarcopenia related to aging.
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Affiliation(s)
- Elena Alcalde-Estévez
- Departamento Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Ana Asenjo-Bueno
- Unidad de Investigación de la Fundación para la Investigación Biomédica del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid 28805, Spain
| | - Patricia Sosa
- Departamento Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain
| | - Gemma Olmos
- Departamento Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain.,Instituto Reina Sofía de Investigación Nefrológica (IRSIN) de la Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Madrid 28003, Spain.,Area 3-Fisiología y Fisiopatología Renal y Vascular del IRYCIS, Madrid 28046, Spain
| | - Patricia Plaza
- Unidad de Investigación de la Fundación para la Investigación Biomédica del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid 28805, Spain
| | | | - Diego Rodríguez-Puyol
- Instituto Reina Sofía de Investigación Nefrológica (IRSIN) de la Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Madrid 28003, Spain.,Area 3-Fisiología y Fisiopatología Renal y Vascular del IRYCIS, Madrid 28046, Spain.,Servicio de Nefrología del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid 28805, Spain
| | - María Piedad Ruíz-Torres
- Departamento Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid 28871, Spain.,Instituto Reina Sofía de Investigación Nefrológica (IRSIN) de la Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Madrid 28003, Spain.,Area 3-Fisiología y Fisiopatología Renal y Vascular del IRYCIS, Madrid 28046, Spain
| | - Susana López-Ongil
- Unidad de Investigación de la Fundación para la Investigación Biomédica del Hospital Universitario Príncipe de Asturias, Alcalá de Henares, Madrid 28805, Spain.,Instituto Reina Sofía de Investigación Nefrológica (IRSIN) de la Fundación Renal Iñigo Álvarez de Toledo (FRIAT), Madrid 28003, Spain.,Area 3-Fisiología y Fisiopatología Renal y Vascular del IRYCIS, Madrid 28046, Spain
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Matson AP, Kim C, Bajpai S, Green CL, Hash TW, Garrigues GE. The effect of obesity on fatty infiltration of the rotator cuff musculature in patients without rotator cuff tears. Shoulder Elbow 2019; 11:30-38. [PMID: 31019560 PMCID: PMC6463385 DOI: 10.1177/1758573217736008] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 09/17/2017] [Indexed: 01/26/2023]
Abstract
BACKGROUND The modified Goutallier classification system describes the fatty infiltration of rotator cuff musculature (RCM) seen on magnetic resonance imaging (MRI) to assist with surgical decision-making for patients with rotator cuff tears (RCT). We describe the relationship between body mass index (BMI) and fatty infiltration in patients without RCT. METHODS Twenty-five patients from each of four different BMI ranges (< 25 kg/m2; 25 kg/m2 to 30 kg/m2; 30 kg/m2 to 35 kg/m2; > 35 kg/m2) were randomly selected from 1088 consecutive shoulder MRI scans (T1 parasagittal series). Four physician-readers evaluated MRI scans and assigned modified Goutallier grades (0 to 4) in each of the four rotator cuff muscles, as well as two adjacent muscles. RESULTS Grade distributions varied significantly based on BMI category for infraspinatus (p = 0.001), teres minor (p < 0.001), subscapularis (p = 0.025), teres major (p < 0.001) and deltoid (p < 0.001). Higher grades were evident with a diagnosis of diabetes mellitus in three of six muscles (p < 0.05), hyperlipidaemia in one muscle (p = 0.021) and greater patient age in three muscles (p < 0.05). CONCLUSIONS Obese and severely obese patients without RCT have more fatty infiltration seen on MRI. Patient factors (older age and diagnosis of diabetes mellitus) can be predictive of fatty infiltration in RCM. Fatty infiltration of RCM is not solely attributable to the presence of a RCT.
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Affiliation(s)
- Andrew P. Matson
- Department of Orthopaedic Surgery, Duke University Medical Center, USA,Andrew P. Matson, Box 3000, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC 27710, USA.
| | - Christopher Kim
- Department of Orthopaedic Surgery, Duke University Medical Center, USA
| | - Swara Bajpai
- School of Medicine, Duke University Medical Center, USA
| | - Cynthia L. Green
- Department of Biostatistics and Bioinformtics, Duke University Medical Center, USA
| | - Thomas W. Hash
- Department of Radiology, Duke University Medical Center, USA
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Gene Expression Patterns Analysis in the Supraspinatus Muscle after a Rotator Cuff Tear in a Mouse Model. BIOMED RESEARCH INTERNATIONAL 2018; 2018:5859013. [PMID: 30671462 PMCID: PMC6323466 DOI: 10.1155/2018/5859013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 11/12/2018] [Indexed: 12/15/2022]
Abstract
Rotator cuff tear is a muscle-tendinous injury representative of various musculoskeletal disorders. In general, rotator cuff tear occurs in the tendon, but it causes unloading of the muscle resulting in muscle degeneration including fatty infiltration. These muscle degenerations lead to muscle weakness, pain, and loss of shoulder function and are well known as important factors for poor functional outcome after rotator cuff repair. Given that rotator cuff tear in various animal species results in similar pathological changes seen in humans, the animal model can be considered a good approach to understand the many aspects of the molecular changes in injured muscle. To comprehensively analyze changes in gene expression with time following a rotator cuff tear, we established a rotator cuff tear in mouse supraspinatus tendon of shoulder. At weeks 1 and 4 after the tear, the injured muscles were harvested for RNA isolation, and microarray analysis was performed. Expression patterns of genes belonging to 10 muscle physiology-related categories, including aging, apoptosis, atrophy, and fatty acid transport, were analyzed and further validated using real-time PCR. A total of 39,429 genes were analyzed, and significant changes in expression were observed for 12,178 genes at 1 week and 2,370 genes at 4 weeks after the tear. From the list of top 10 significantly up- and downregulated genes at the 2 time periods and the network evaluation of relevant genes according to the 10 categories, several important genes in each category were observed. In this study, we found that various genes are significantly altered after rotator cuff tear, and these genes may play key roles in controlling muscle degeneration after a rotator cuff tear.
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