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4. Coordinated Regulation of Myonuclear DNA Methylation, mRNA, And miRNA Levels Associates with The Metabolic Response to Rapid Synergist Ablation-Induced Skeletal Muscle Hypertrophy in Female Mice

Author

Ismaeel, Ahmed, primary, Thomas, Nicholas T, additional, McCashland, Mariah, additional, Vechetti, Ivan J, additional, Edman, Sebastian, additional, Lanner, Johanna T, additional, Figueiredo, Vandré C, additional, Fry, Christopher S, additional, McCarthy, John J, additional, Wen, Yuan, additional, Murach, Kevin A, additional, and von Walden, Ferdinand, additional

Published
2023
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5. Editorial: Inter-organ crosstalk during exercise in health and disease: Extracellular vesicles as new kids on the block

Author

VERBOVEN, Kenneth, Vechetti, Ivan J., VERBOVEN, Kenneth, and Vechetti, Ivan J.

Subjects
exercise, Physiology, extracellular vesicle (EV), Physiology (medical), myokines, microRNA (microRNA), exosomes
Abstract

KEYWORDS extracellular vesicle (EV), exercise, myokines, exosomes, microRNA (microRNA) Editorial on the Research Topic Inter-organ crosstalk during exercise in health and disease: Extracellular vesicles as new kids on the block Within exercise physiology, the study of factors potentially mediating interorgan crosstalk during and after exercise is a fascinating field of research. As exercise activates a plethora of metabolic pathways in several tissues, organs and systems, examining the underlying biological mechanisms contributing to exercise related metabolic benefits is imperative. Since two decades, the skeletal muscle is known to secrete humoral factors into the circulation in response to exercise, originally described as "myokines" by Pedersen et al. (2003). These myokines are now well known and extensively studied in the field of exercise science (Pedersen and Febbraio, 2012). Interestingly, exercise also triggers other metabolic organs to release similar factors arising from the heart, liver, white and brown adipose tissue, and the nervous system (Chow et al., 2022). These "exerkines" (Safdar et al., 2016) have been recognized to comprise an extensive range of biologically active signalling molecules, including cytokines, lipids, metabolites and (noncoding) nucleic acids, as recently reviewed (Chow et al., 2022). Extracellular vesicles (EVs) and their role as carrier particles for molecular signals became of specific interest in the exerkine field, as EVs are considered (co-)drivers of exercise-induced interorgan crosstalk (Whitham et al., 2018; Vechetti et al., 2021). Differentiated by both their size and nature of vesicular biogenesis, EVs can be primarily classified as exosomes, microvesicles and apoptotic bodies although some overlap does exist between these classifications. EVs may enclose plenty of material, including lipids, proteins and nucleic acids (Théry et al., 2018). Indeed, pioneering EV-related exercise studies have shown an increase in the circulating number of EVs after a single bout of exercise (Brahmer et al., 2019; Frühbeis et al., 2015; Oliveira et al., 2018; Whitham et al., 2018), with recent in vivo research estimating about 5% of circulating, tetraspanin-positive EVs to be muscle-derived (Estrada et al., 2022). However, the frequent lack of rigorous characterization, purification and/or quantification of EVs (which ideally requires a combination of multiple methodologies) makes the understanding of the role of EVs in exercise physiology rather hard (Darragh et al., 2021) and argues for standard approaches and reporting on EV-related exercise science. Nevertheless, many points need to be clarified, but as the interest in EVs research from an exercise and health We sincerely thank all authors and reviewers who participated in the Research Topic.

Published
2023

8. Extracellular vesicle characteristics and microRNA content in cerebral palsy and typically developed individuals at rest and in response to aerobic exercise

Author

Vechetti, Ivan J., Norrbom, Jessica, Alkner, Björn, Hjalmarsson, Emma, Palmcrantz, Alexandra, Pontén, Eva, Pingel, Jessica, von Walden, Ferdinand, and Fernandez-Gonzalo, Rodrigo

Subjects
exosomes, endurance exercise, miR-486, skeletal muscle, frame running, Idrottsvetenskap, Sport and Fitness Sciences
Abstract

In this study, the properties of circulating extracellular vesicles (EVs) were examined in cerebral palsy (CP) and typically developed (TD) individuals at rest and after aerobic exercise, focusing on the size, concentration, and microRNA cargo of EVs. Nine adult individuals with CP performed a single exercise bout consisting of 45 min of Frame Running, and TD participants completed either 45 min of cycling (n = 10; TD EX) or were enrolled as controls with no exercise (n = 10; TD CON). Blood was drawn before and 30 min after exercise and analyzed for EV concentration, size, and microRNA content. The size of EVs was similar in CP vs. TD, and exercise had no effect. Individuals with CP had an overall lower concentration (∼25%, p < 0.05) of EVs. At baseline, let-7a, let-7b and let-7e were downregulated in individuals with CP compared to TD (p < 0.05), while miR-100 expression was higher, and miR-877 and miR-4433 lower in CP compared to TD after exercise (p < 0.05). Interestingly, miR-486 was upregulated ∼2-fold in the EVs of CP vs. TD both at baseline and after exercise. We then performed an in silico analysis of miR-486 targets and identified the satellite cell stemness factor Pax7 as a target of miR-486. C2C12 myoblasts were cultured with a miR-486 mimetic and RNA-sequencing was performed. Gene enrichment analysis revealed that several genes involved in sarcomerogenesis and extracellular matrix (ECM) were downregulated. Our data suggest that circulating miR-486 transported by EVs is elevated in individuals with CP and that miR-486 alters the transcriptome of myoblasts affecting both ECM- and sarcomerogenesis-related genes, providing a link to the skeletal muscle alterations observed in individuals with CP In this study, the properties of circulating extracellular vesicles (EVs) were examined in cerebral palsy (CP) and typically developed (TD) individuals at rest and after aerobic exercise, focusing on the size, concentration, and microRNA cargo of EVs. Nine adult individuals with CP performed a single exercise bout consisting of 45 min of Frame Running, and TD participants completed either 45 min of cycling (n = 10; TD EX) or were enrolled as controls with no exercise (n = 10; TD CON). Blood was drawn before and 30 min after exercise and analyzed for EV concentration, size, and microRNA content. The size of EVs was similar in CP vs. TD, and exercise had no effect. Individuals with CP had an overall lower concentration (∼25%, p < 0.05) of EVs. At baseline, let-7a, let-7b and let-7e were downregulated in individuals with CP compared to TD (p < 0.05), while miR-100 expression was higher, and miR-877 and miR-4433 lower in CP compared to TD after exercise (p < 0.05). Interestingly, miR-486 was upregulated ∼2-fold in the EVs of CP vs. TD both at baseline and after exercise. We then performed an in silico analysis of miR-486 targets and identified the satellite cell stemness factor Pax7 as a target of miR-486. C2C12 myoblasts were cultured with a miR-486 mimetic and RNA-sequencing was performed. Gene enrichment analysis revealed that several genes involved in sarcomerogenesis and extracellular matrix (ECM) were downregulated. Our data suggest that circulating miR-486 transported by EVs is elevated in individuals with CP and that miR-486 alters the transcriptome of myoblasts affecting both ECM- and sarcomerogenesis-related genes, providing a link to the skeletal muscle alterations observed in individuals with CP.

Published
2022

14. Genetic and epigenetic regulation of skeletal muscle ribosome biogenesis with exercise

Author

Figueiredo, Vandré C., primary, Wen, Yuan, additional, Alkner, Björn, additional, Fernandez‐Gonzalo, Rodrigo, additional, Norrbom, Jessica, additional, Vechetti, Ivan J., additional, Valentino, Taylor, additional, Mobley, C. Brooks, additional, Zentner, Gabriel E., additional, Peterson, Charlotte A., additional, McCarthy, John J., additional, Murach, Kevin A., additional, and von Walden, Ferdinand, additional

Published
2021
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22. Fusion-Independent Satellite Cell Communication to Muscle Fibers During Load-Induced Hypertrophy

Author

Murach, Kevin A, primary, Vechetti, Ivan J, additional, Van Pelt, Douglas W, additional, Crow, Samuel E, additional, Dungan, Cory M, additional, Figueiredo, Vandre C, additional, Kosmac, Kate, additional, Fu, Xu, additional, Richards, Christopher I, additional, Fry, Christopher S, additional, McCarthy, John J, additional, and Peterson, Charlotte A, additional

Published
2020
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25. Minimal information for studies of extracellular vesicles 2018 (MISEV2018):a position statement of the International Society for Extracellular Vesicles and update of the MISEV2014 guidelines

Author

Théry, Clotilde, Witwer, Kenneth W, Aikawa, Elena, Alcaraz, Maria Jose, Anderson, Johnathon D, Andriantsitohaina, Ramaroson, Antoniou, Anna, Arab, Tanina, Archer, Fabienne, Atkin-Smith, Georgia K, Ayre, D Craig, Bach, Jean-Marie, Bachurski, Daniel, Baharvand, Hossein, Balaj, Leonora, Baldacchino, Shawn, Bauer, Natalie N, Baxter, Amy A, Bebawy, Mary, Beckham, Carla, Bedina Zavec, Apolonija, Benmoussa, Abderrahim, Berardi, Anna C, Bergese, Paolo, Bielska, Ewa, Blenkiron, Cherie, Bobis-Wozowicz, Sylwia, Boilard, Eric, Boireau, Wilfrid, Bongiovanni, Antonella, Borràs, Francesc E, Bosch, Steffi, Boulanger, Chantal M, Breakefield, Xandra, Breglio, Andrew M, Brennan, Meadhbh Á, Brigstock, David R, Brisson, Alain, Broekman, Marike Ld, Bromberg, Jacqueline F, Bryl-Górecka, Paulina, Buch, Shilpa, Buck, Amy H, Burger, Dylan, Busatto, Sara, Buschmann, Dominik, Bussolati, Benedetta, Buzás, Edit I, Byrd, James Bryan, Camussi, Giovanni, Carter, David Rf, Caruso, Sarah, Chamley, Lawrence W, Chang, Yu-Ting, Chen, Chihchen, Chen, Shuai, Cheng, Lesley, Chin, Andrew R, Clayton, Aled, Clerici, Stefano P, Cocks, Alex, Cocucci, Emanuele, Coffey, Robert J, Cordeiro-da-Silva, Anabela, Couch, Yvonne, Coumans, Frank Aw, Coyle, Beth, Crescitelli, Rossella, Criado, Miria Ferreira, D'Souza-Schorey, Crislyn, Das, Saumya, Datta Chaudhuri, Amrita, de Candia, Paola, De Santana, Eliezer F, De Wever, Olivier, Del Portillo, Hernando A, Demaret, Tanguy, Deville, Sarah, Devitt, Andrew, Dhondt, Bert, Di Vizio, Dolores, Dieterich, Lothar C, Dolo, Vincenza, Dominguez Rubio, Ana Paula, Dominici, Massimo, Dourado, Mauricio R, Driedonks, Tom Ap, Duarte, Filipe V, Duncan, Heather M, Eichenberger, Ramon M, Ekström, Karin, El Andaloussi, Samir, Elie-Caille, Celine, Erdbrügger, Uta, Falcón-Pérez, Juan M, Fatima, Farah, Fish, Jason E, Flores-Bellver, Miguel, Försönits, András, Frelet-Barrand, Annie, Fricke, Fabia, Fuhrmann, Gregor, Gabrielsson, Susanne, Gámez-Valero, Ana, Gardiner, Chris, Gärtner, Kathrin, Gaudin, Raphael, Gho, Yong Song, Giebel, Bernd, Gilbert, Caroline, Gimona, Mario, Giusti, Ilaria, Goberdhan, Deborah Ci, Görgens, André, Gorski, Sharon M, Greening, David W, Gross, Julia Christina, Gualerzi, Alice, Gupta, Gopal N, Gustafson, Dakota, Handberg, Aase, Haraszti, Reka A, Harrison, Paul, Hegyesi, Hargita, Hendrix, An, Hill, Andrew F, Hochberg, Fred H, Hoffmann, Karl F, Holder, Beth, Holthofer, Harry, Hosseinkhani, Baharak, Hu, Guoku, Huang, Yiyao, Huber, Veronica, Hunt, Stuart, Ibrahim, Ahmed Gamal-Eldin, Ikezu, Tsuneya, Inal, Jameel M, Isin, Mustafa, Ivanova, Alena, Jackson, Hannah K, Jacobsen, Soren, Jay, Steven M, Jayachandran, Muthuvel, Jenster, Guido, Jiang, Lanzhou, Johnson, Suzanne M, Jones, Jennifer C, Jong, Ambrose, Jovanovic-Talisman, Tijana, Jung, Stephanie, Kalluri, Raghu, Kano, Shin-Ichi, Kaur, Sukhbir, Kawamura, Yumi, Keller, Evan T, Khamari, Delaram, Khomyakova, Elena, Khvorova, Anastasia, Kierulf, Peter, Kim, Kwang Pyo, Kislinger, Thomas, Klingeborn, Mikael, Klinke, David J, Kornek, Miroslaw, Kosanović, Maja M, Kovács, Árpád Ferenc, Krämer-Albers, Eva-Maria, Krasemann, Susanne, Krause, Mirja, Kurochkin, Igor V, Kusuma, Gina D, Kuypers, Sören, Laitinen, Saara, Langevin, Scott M, Languino, Lucia R, Lannigan, Joanne, Lässer, Cecilia, Laurent, Louise C, Lavieu, Gregory, Lázaro-Ibáñez, Elisa, Le Lay, Soazig, Lee, Myung-Shin, Lee, Yi Xin Fiona, Lemos, Debora S, Lenassi, Metka, Leszczynska, Aleksandra, Li, Isaac Ts, Liao, Ke, Libregts, Sten F, Ligeti, Erzsebet, Lim, Rebecca, Lim, Sai Kiang, Linē, Aija, Linnemannstöns, Karen, Llorente, Alicia, Lombard, Catherine A, Lorenowicz, Magdalena J, Lörincz, Ákos M, Lötvall, Jan, Lovett, Jason, Lowry, Michelle C, Loyer, Xavier, Lu, Quan, Lukomska, Barbara, Lunavat, Taral R, Maas, Sybren Ln, Malhi, Harmeet, Marcilla, Antonio, Mariani, Jacopo, Mariscal, Javier, Martens-Uzunova, Elena S, Martin-Jaular, Lorena, Martinez, M Carmen, Martins, Vilma Regina, Mathieu, Mathilde, Mathivanan, Suresh, Maugeri, Marco, McGinnis, Lynda K, McVey, Mark J, Meckes, David G, Meehan, Katie L, Mertens, Inge, Minciacchi, Valentina R, Möller, Andreas, Møller Jørgensen, Malene, Morales-Kastresana, Aizea, Morhayim, Jess, Mullier, François, Muraca, Maurizio, Musante, Luca, Mussack, Veronika, Muth, Dillon C, Myburgh, Kathryn H, Najrana, Tanbir, Nawaz, Muhammad, Nazarenko, Irina, Nejsum, Peter, Neri, Christian, Neri, Tommaso, Nieuwland, Rienk, Nimrichter, Leonardo, Nolan, John P, Nolte-'t Hoen, Esther NM, Noren Hooten, Nicole, O'Driscoll, Lorraine, O'Grady, Tina, O'Loghlen, Ana, Ochiya, Takahiro, Olivier, Martin, Ortiz, Alberto, Ortiz, Luis A, Osteikoetxea, Xabier, Østergaard, Ole, Ostrowski, Matias, Park, Jaesung, Pegtel, D Michiel, Peinado, Hector, Perut, Francesca, Pfaffl, Michael W, Phinney, Donald G, Pieters, Bartijn Ch, Pink, Ryan C, Pisetsky, David S, Pogge von Strandmann, Elke, Polakovicova, Iva, Poon, Ivan Kh, Powell, Bonita H, Prada, Ilaria, Pulliam, Lynn, Quesenberry, Peter, Radeghieri, Annalisa, Raffai, Robert L, Raimondo, Stefania, Rak, Janusz, Ramirez, Marcel I, Raposo, Graça, Rayyan, Morsi S, Regev-Rudzki, Neta, Ricklefs, Franz L, Robbins, Paul D, Roberts, David D, Rodrigues, Silvia C, Rohde, Eva, Rome, Sophie, Rouschop, Kasper Ma, Rughetti, Aurelia, Russell, Ashley E, Saá, Paula, Sahoo, Susmita, Salas-Huenuleo, Edison, Sánchez, Catherine, Saugstad, Julie A, Saul, Meike J, Schiffelers, Raymond M, Schneider, Raphael, Schøyen, Tine Hiorth, Scott, Aaron, Shahaj, Eriomina, Sharma, Shivani, Shatnyeva, Olga, Shekari, Faezeh, Shelke, Ganesh Vilas, Shetty, Ashok K, Shiba, Kiyotaka, Siljander, Pia R-M, Silva, Andreia M, Skowronek, Agata, Snyder, Orman L, Soares, Rodrigo Pedro, Sódar, Barbara W, Soekmadji, Carolina, Sotillo, Javier, Stahl, Philip D, Stoorvogel, Willem, Stott, Shannon L, Strasser, Erwin F, Swift, Simon, Tahara, Hidetoshi, Tewari, Muneesh, Timms, Kate, Tiwari, Swasti, Tixeira, Rochelle, Tkach, Mercedes, Toh, Wei Seong, Tomasini, Richard, Torrecilhas, Ana Claudia, Tosar, Juan Pablo, Toxavidis, Vasilis, Urbanelli, Lorena, Vader, Pieter, van Balkom, Bas Wm, van der Grein, Susanne G, Van Deun, Jan, van Herwijnen, Martijn Jc, Van Keuren-Jensen, Kendall, van Niel, Guillaume, van Royen, Martin E, van Wijnen, Andre J, Vasconcelos, M Helena, Vechetti, Ivan J, Veit, Tiago D, Vella, Laura J, Velot, Émilie, Verweij, Frederik J, Vestad, Beate, Viñas, Jose L, Visnovitz, Tamás, Vukman, Krisztina V, Wahlgren, Jessica, Watson, Dionysios C, Wauben, Marca Hm, Weaver, Alissa, Webber, Jason P, Weber, Viktoria, Wehman, Ann M, Weiss, Daniel J, Welsh, Joshua A, Wendt, Sebastian, Wheelock, Asa M, Wiener, Zoltán, Witte, Leonie, Wolfram, Joy, Xagorari, Angeliki, Xander, Patricia, Xu, Jing, Yan, Xiaomei, Yáñez-Mó, María, Yin, Hang, Yuana, Yuana, Zappulli, Valentina, Zarubova, Jana, Žėkas, Vytautas, Zhang, Jian-Ye, Zhao, Zezhou, Zheng, Lei, Zheutlin, Alexander R, Zickler, Antje M, Zimmermann, Pascale, Zivkovic, Angela M, Zocco, Davide, Zuba-Surma, Ewa K, dB&C I&I, LS Celbiologie-Algemeen, Celbiologie, Afd Pharmaceutics, Sub General Pharmaceutics, Sub Biomol.Mass Spect. and Proteomics, Afd Pharmacology, Urology, Pathology, Medical Oncology, Immunité et cancer, Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM), Johns Hopkins University School of Medicine [Baltimore], Stress Oxydant et Pathologies Métaboliques (SOPAM), Université d'Angers (UA)-Institut National de la Santé et de la Recherche Médicale (INSERM), Protéomique, Réponse Inflammatoire, Spectrométrie de Masse (PRISM) - U 1192 (PRISM), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lille-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Infections Virales et Pathologie Comparée - UMR 754 (IVPC), Institut National de la Recherche Agronomique (INRA)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon, Immuno-Endocrinologie Cellulaire et Moléculaire [Nantes] (IECM), Institut National de la Recherche Agronomique (INRA)-Université de Nantes (UN)-École nationale vétérinaire, agroalimentaire et de l'alimentation Nantes-Atlantique (ONIRIS), Department for Molecular Biology and Nanobiotechnology, National Institute of chemitry, Slovenia, Biologie, génétique et thérapies ostéoarticulaires et respiratoires (BIOTARGEN), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU), Institut de pharmacologie moléculaire et cellulaire (IPMC), Université Nice Sophia Antipolis (1965 - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS), Franche-Comté Électronique Mécanique, Thermique et Optique - Sciences et Technologies (UMR 6174) (FEMTO-ST), Université de Technologie de Belfort-Montbeliard (UTBM)-Ecole Nationale Supérieure de Mécanique et des Microtechniques (ENSMM)-Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC), Immuno-Endocrinologie Cellulaire et Moléculaire (IECM), Institut National de la Recherche Agronomique (INRA)-Université de Nantes (UN)-Ecole Nationale Vétérinaire de Nantes, Paris-Centre de Recherche Cardiovasculaire (PARCC - UMR-S U970), Hôpital Européen Georges Pompidou [APHP] (HEGP), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Physiopathologie des Adaptations Nutritionnelles (PhAN), Université de Nantes - UFR de Médecine et des Techniques Médicales (UFR MEDECINE), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Imagerie Moléculaire et Nanobiotechnologies - Institut Européen de Chimie et Biologie (IECB), Université Sciences et Technologies - Bordeaux 1-Centre National de la Recherche Scientifique (CNRS), Molecular Biotechnology Center, Università degli studi di Torino = University of Turin (UNITO), Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Centre for Sustainable Tropical Fisheries and Aquaculture, James Cook University (JCU), Department of Oncology - Pathology, Cancer Center Karolinska [Karolinska Institutet] (CCK), Karolinska Institutet [Stockholm]-Karolinska Institutet [Stockholm], Departamento de Ciências Biológicas, Universidade do Porto = University of Porto, Laboratory of Experimental Cancer Research, Department of Radiation Oncology and Experimental Cancer Research, Cancer Research Institute Ghent (CRIG), Universiteit Gent = Ghent University [Belgium] (UGENT), Department of Medical and Surgical Sciences for Children and Adults [Modena, Italy] (Laboratory of Cellular Therapy), Università degli Studi di Modena e Reggio Emilia (UNIMORE), Clinical Research Center, Department of Laboratory Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Huddinge, Sweden, Karolinska Institutet [Stockholm]-Karolinska University Hospital [Stockholm], Center for Cooperative Research in Biosciences (CIC bioGUNE), Partner site Munich, German Centre for Infection Research (DZIF), Institute for Transfusion Medicine, University Hospital Essen, Universität Duisburg-Essen [Essen], Mécanismes Adaptatifs et Evolution (MECADEV), Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS), Psychiatry, Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Department of Bacteriology and Immunology [Helsinki], Haartman Institute [Helsinki], Faculty of Medecine [Helsinki], Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Faculty of Medecine [Helsinki], Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki, Rigshospitalet [Copenhagen], Copenhagen University Hospital, Dalhousie University [Halifax], Department of Biology, Molecular Cell Biology, University of Mainz, Johannes Gutenberg - Universität Mainz = Johannes Gutenberg University (JGU), Glycobiologie et signalisation cellulaire, Université Paris-Sud - Paris 11 (UP11)-Institut National de la Santé et de la Recherche Médicale (INSERM), Krefting Research Centre, Department of Internal Medicine and Clinical Nutrition, University of Gothenburg (GU), Universidad de Alicante, École supérieure du professorat et de l'éducation - Académie de Créteil (UPEC ESPE Créteil), Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), University of Antwerp (UA), Université Catholique de Louvain = Catholic University of Louvain (UCL), Research Institute, IRCCS Ospedale Pediatrico Bambino Gesù [Roma], Department of Veterinary Disease Biology [Copenhagen], Faculty of Health and Medical Sciences, University of Copenhagen = Københavns Universitet (KU)-University of Copenhagen = Københavns Universitet (KU), Biologie et Pathologie du Neurone (Brain-C), Adaptation Biologique et Vieillissement = Biological Adaptation and Ageing (B2A), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut de Biologie Paris Seine (IBPS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut de Biologie Paris Seine (IBPS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Department of Mathematics and Statistics, American University, University of Pretoria [South Africa], Ecole des Ingénieurs de la Ville de Paris (EIVP), Universitat Pompeu Fabra [Barcelona] (UPF), Instituto de Investigaciones Biomedicas, Universidad Nacional Autónoma de México (UNAM), Istituto Ortopedico Rizzoli, Department of Molecular Therapeutics, The Scripps Research Institute, Laboratoire d'Informatique de Grenoble (LIG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Montreal Children's Hospital, McGill University Health Center [Montreal] (MUHC), Compartimentation et dynamique cellulaires (CDC), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut Curie [Paris]-Centre National de la Recherche Scientifique (CNRS), National Cancer Institute [Bethesda] (NCI-NIH), National Institutes of Health [Bethesda] (NIH), Cardiovasculaire, métabolisme, diabétologie et nutrition (CarMeN), Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Hospices Civils de Lyon (HCL)-Institut National de la Santé et de la Recherche Médicale (INSERM), Cardiovascular Research Center, Massachusetts General Hospital [Boston], University Medical Center [Utrecht], University of Toronto, Fiocruz Minas - René Rachou Research Center / Instituto René Rachou [Belo Horizonte, Brésil], Fundação Oswaldo Cruz (FIOCRUZ), Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP), Centre de Recherche en Cancérologie de Marseille (CRCM), Aix Marseille Université (AMU)-Institut Paoli-Calmettes, Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Federal University of Sao Paulo (Unifesp), Functional Genomics / Genómica Funcional [Montevideo], Institut Pasteur de Montevideo, Dipartimento di Medicina Sperimentale e Scienze Biochimiche, Università degli Studi di Perugia (UNIPG), Hospital Santa Cristina Instituto de Investigación Sanitaria Princesa C, Unidad de Investigación, Institut Curie [Paris]-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS), Department of Physiology, University of California [San Francisco] (UCSF), University of California-University of California, University of Vermont [Burlington], Peking University [Beijing], Shandong Agricultural University (SDAU), State Key Laboratory of Quality Research in Chinese Medicine Taipa, Macau SAR, (Institute of Chinese Medical Sciences), Human Genetics, Universität Ulm - Ulm University [Ulm, Allemagne], INSERM, Institut Curie, INCa [INCA-11548], French National Research Agency [ANR-10-IDEX-0001-02 PSL*, ANR-11-LABX-0043], SIDACTION [17-1-AAE-1138], Fondation ARC [PGA1 RF20180206962, PJA 20171206453], NIDA [DA040385, DA047807], Ministry of Education, NIA [AG057430], NIMH [MH118164], Institut National de la Recherche Agronomique (INRA)-École Pratique des Hautes Études (EPHE), Institut National de la Recherche Agronomique (INRA)-Université de Nantes (UN)-Ecole Nationale Vétérinaire de Nantes-École nationale vétérinaire, agroalimentaire et de l'alimentation Nantes-Atlantique (ONIRIS), Institut National de la Recherche Agronomique (INRA)-Université de Nantes (UN), Université Sciences et Technologies - Bordeaux 1 (UB)-Centre National de la Recherche Scientifique (CNRS), Universiteit Gent = Ghent University (UGENT), Università degli Studi di Modena e Reggio Emilia = University of Modena and Reggio Emilia (UNIMORE), Universität Duisburg-Essen = University of Duisburg-Essen [Essen], Biotechnology and Biological Sciences Research Council (BBSRC)-Aberystwyth University, University of Copenhagen 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(CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut Curie [Paris]-Université Pierre et Marie Curie - Paris 6 (UPMC), Hospices Civils de Lyon (HCL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Institut National de la Recherche Agronomique (INRA), Université de Toronto [Canada], Institut Curie-Institut National de la Santé et de la Recherche Médicale (INSERM), Protéomique, Réponse Inflammatoire, Spectrométrie de Masse (PRISM) - U1192 (PRISM), Université de Lille-Institut National de la Santé et de la Recherche Médicale (INSERM), Université Côte d'Azur (UCA)-Université Côte d'Azur (UCA)-Centre National de la Recherche Scientifique (CNRS), Université de Franche-Comté (UFC)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Mécanique et des Microtechniques (ENSMM)-Université de Technologie de Belfort-Montbeliard (UTBM), Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Physiopathologie de la Résorption Osseuse et Thérapie des Tumeurs Osseuses Primitives, Université de Nantes (UN)-Institut National de la Santé et de la Recherche Médicale (INSERM), Universidade do Porto [Porto], Ghent University [Belgium] (UGENT), FEMTO-ST Institute, Université de Technologie de Belfort-Montbeliard (UTBM)-Université de Franche-Comté (UFC)-CNRS : UMR6174, Mécanismes adaptatifs : des organismes aux communautés (MECADEV), Centre National de la Recherche Scientifique (CNRS)-Muséum national d'Histoire naturelle (MNHN), Johannes Gutenberg - University of Mainz (JGU), Université Catholique de Louvain (UCL), Universitat Pompeu Fabra [Barcelona], Laboratoire d'Informatique de Grenoble (LIG), Université Pierre Mendès France - Grenoble 2 (UPMF)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National Polytechnique de Grenoble (INPG)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Centre National de la Recherche Scientifique (CNRS)-Institut Curie-Université Pierre et Marie Curie - Paris 6 (UPMC), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Hospices Civils de Lyon (HCL), Laboratoire Réactions et Génie des Procédés (LRGP), Fiocruz Minas - René Rachou Research Center / Instituto René Rachou, Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Paoli-Calmettes, Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Fédération nationale des Centres de lutte contre le Cancer (FNCLCC)-Aix Marseille Université (AMU), Functional Genomics Unit, Institut Curie-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), University of Vermont College of Medicine [Burlington, VT, USA], Extracellular Vesicles, Molecular and Integrative Biosciences Research Programme, Thery, C., Witwer, K. W., Aikawa, E., Alcaraz, M. J., Anderson, J. D., Andriantsitohaina, R., Antoniou, A., Arab, T., Archer, F., Atkin-Smith, G. K., Ayre, D. C., Bach, J. -M., Bachurski, D., Baharvand, H., Balaj, L., Baldacchino, S., Bauer, N. N., Baxter, A. A., Bebawy, M., Beckham, C., Bedina Zavec, A., Benmoussa, A., Berardi, A. C., Bergese, P., Bielska, E., Blenkiron, C., Bobis-Wozowicz, S., Boilard, E., Boireau, W., Bongiovanni, A., Borras, F. E., Bosch, S., Boulanger, C. M., Breakefield, X., Breglio, A. M., Brennan, M. A., Brigstock, D. R., Brisson, A., Broekman, M. L. D., Bromberg, J. F., Bryl-Gorecka, P., Buch, S., Buck, A. H., Burger, D., Busatto, S., Buschmann, D., Bussolati, B., Buzas, E. I., Byrd, J. B., Camussi, G., Carter, D. R. F., Caruso, S., Chamley, L. W., Chang, Y. -T., Chaudhuri, A. D., Chen, C., Chen, S., Cheng, L., Chin, A. R., Clayton, A., Clerici, S. P., Cocks, A., Cocucci, E., Coffey, R. J., Cordeiro-da-Silva, A., Couch, Y., Coumans, F. A. W., Coyle, B., Crescitelli, R., Criado, M. F., D'Souza-Schorey, C., Das, S., de Candia, P., De Santana, E. F., De Wever, O., del Portillo, H. A., Demaret, T., Deville, S., Devitt, A., Dhondt, B., Di Vizio, D., Dieterich, L. C., Dolo, V., Dominguez Rubio, A. P., Dominici, M., Dourado, M. R., Driedonks, T. A. P., Duarte, F. V., Duncan, H. M., Eichenberger, R. M., Ekstrom, K., EL Andaloussi, S., Elie-Caille, C., Erdbrugger, U., Falcon-Perez, J. M., Fatima, F., Fish, J. E., Flores-Bellver, M., Forsonits, A., Frelet-Barrand, A., Fricke, F., Fuhrmann, G., Gabrielsson, S., Gamez-Valero, A., Gardiner, C., Gartner, K., Gaudin, R., Gho, Y. S., Giebel, B., Gilbert, C., Gimona, M., Giusti, I., Goberdhan, D. C. I., Gorgens, A., Gorski, S. M., Greening, D. W., Gross, J. C., Gualerzi, A., Gupta, G. N., Gustafson, D., Handberg, A., Haraszti, R. A., Harrison, P., Hegyesi, H., Hendrix, A., Hill, A. F., Hochberg, F. H., Hoffmann, K. F., Holder, B., Holthofer, H., Hosseinkhani, B., Hu, G., Huang, Y., Huber, V., Hunt, S., Ibrahim, A. G. -E., Ikezu, T., Inal, J. M., Isin, M., Ivanova, A., Jackson, H. K., Jacobsen, S., Jay, S. M., Jayachandran, M., Jenster, G., Jiang, L., Johnson, S. M., Jones, J. C., Jong, A., Jovanovic-Talisman, T., Jung, S., Kalluri, R., Kano, S. -I., Kaur, S., Kawamura, Y., Keller, E. T., Khamari, D., Khomyakova, E., Khvorova, A., Kierulf, P., Kim, K. P., Kislinger, T., Klingeborn, M., Klinke, D. J., Kornek, M., Kosanovic, M. M., Kovacs, A. F., Kramer-Albers, E. -M., Krasemann, S., Krause, M., Kurochkin, I. V., Kusuma, G. D., Kuypers, S., Laitinen, S., Langevin, S. M., Languino, L. R., Lannigan, J., Lasser, C., Laurent, L. C., Lavieu, G., Lazaro-Ibanez, E., Le Lay, S., Lee, M. -S., Lee, Y. X. F., Lemos, D. S., Lenassi, M., Leszczynska, A., Li, I. T. S., Liao, K., Libregts, S. F., Ligeti, E., Lim, R., Lim, S. K., Line, A., Linnemannstons, K., Llorente, A., Lombard, C. A., Lorenowicz, M. J., Lorincz, A. M., Lotvall, J., Lovett, J., Lowry, M. C., Loyer, X., Lu, Q., Lukomska, B., Lunavat, T. R., Maas, S. L. N., Malhi, H., Marcilla, A., Mariani, J., Mariscal, J., Martens-Uzunova, E. S., Martin-Jaular, L., Martinez, M. C., Martins, V. R., Mathieu, M., Mathivanan, S., Maugeri, M., Mcginnis, L. K., Mcvey, M. J., Meckes, D. G., Meehan, K. L., Mertens, I., Minciacchi, V. R., Moller, A., Moller Jorgensen, M., Morales-Kastresana, A., Morhayim, J., Mullier, F., Muraca, M., Musante, L., Mussack, V., Muth, D. C., Myburgh, K. H., Najrana, T., Nawaz, M., Nazarenko, I., Nejsum, P., Neri, C., Neri, T., Nieuwland, R., Nimrichter, L., Nolan, J. P., Nolte-'t Hoen, E. N. M., Noren Hooten, N., O'Driscoll, L., O'Grady, T., O'Loghlen, A., Ochiya, T., Olivier, M., Ortiz, A., Ortiz, L. A., Osteikoetxea, X., Ostegaard, O., Ostrowski, M., Park, J., Pegtel, D. M., Peinado, H., Perut, F., Pfaffl, M. W., Phinney, D. G., Pieters, B. C. H., Pink, R. C., Pisetsky, D. S., Pogge von Strandmann, E., Polakovicova, I., Poon, I. K. H., Powell, B. H., Prada, I., Pulliam, L., Quesenberry, P., Radeghieri, A., Raffai, R. L., Raimondo, S., Rak, J., Ramirez, M. I., Raposo, G., Rayyan, M. S., Regev-Rudzki, N., Ricklefs, F. L., Robbins, P. D., Roberts, D. D., Rodrigues, S. C., Rohde, E., Rome, S., Rouschop, K. M. A., Rughetti, A., Russell, A. E., Saa, P., Sahoo, S., Salas-Huenuleo, E., Sanchez, C., Saugstad, J. A., Saul, M. J., Schiffelers, R. M., Schneider, R., Schoyen, T. H., Scott, A., Shahaj, E., Sharma, S., Shatnyeva, O., Shekari, F., Shelke, G. V., Shetty, A. K., Shiba, K., Siljander, P. R. -M., Silva, A. M., Skowronek, A., Snyder, O. L., Soares, R. P., Sodar, B. W., Soekmadji, C., Sotillo, J., Stahl, P. D., Stoorvogel, W., Stott, S. L., Strasser, E. F., Swift, S., Tahara, H., Tewari, M., Timms, K., Tiwari, S., Tixeira, R., Tkach, M., Toh, W. S., Tomasini, R., Torrecilhas, A. C., Tosar, J. P., Toxavidis, V., Urbanelli, L., Vader, P., van Balkom, B. W. M., van der Grein, S. G., Van Deun, J., van Herwijnen, M. J. C., Van Keuren-Jensen, K., van Niel, G., van Royen, M. E., van Wijnen, A. J., Vasconcelos, M. H., Vechetti, I. J., Veit, T. D., Vella, L. J., Velot, E., Verweij, F. J., Vestad, B., Vinas, J. L., Visnovitz, T., Vukman, K. V., Wahlgren, J., Watson, D. C., Wauben, M. H. M., Weaver, A., Webber, J. P., Weber, V., Wehman, A. M., Weiss, D. J., Welsh, J. A., Wendt, S., Wheelock, A. M., Wiener, Z., Witte, L., Wolfram, J., Xagorari, A., Xander, P., Xu, J., Yan, X., Yanez-Mo, M., Yin, H., Yuana, Y., Zappulli, V., Zarubova, J., Zekas, V., Zhang, J. -Y., Zhao, Z., Zheng, L., Zheutlin, A. R., Zickler, A. M., Zimmermann, P., Zivkovic, A. M., Zocco, D., Zuba-Surma, E. K., dB&C I&I, LS Celbiologie-Algemeen, Celbiologie, Afd Pharmaceutics, Sub General Pharmaceutics, Sub Biomol.Mass Spect. and Proteomics, Afd Pharmacology, CCA - Imaging and biomarkers, Amsterdam Neuroscience - Neuroinfection & -inflammation, and Amsterdam Neuroscience - Cellular & Molecular Mechanisms

Subjects
ectosome, ectosomes, exosomes, extracellular vesicles, guidelines, microparticles, microvesicles, minimal information requirements, reproducibility, rigor, standardization, Histology, Cell Biology, [SDV]Life Sciences [q-bio], size-exclusion, Medicine and Health Sciences, CELL-DERIVED MICROPARTICLES, FIELD-FLOW FRACTIONATION, requirements, circulating, ComputingMilieux_MISCELLANEOUS, Manchester Cancer Research Centre, lcsh:Cytology, PROSTATE-CANCER, microparticle, Cell interaction, microvesicle, chromatography, Position Paper, guideline, Life Sciences & Biomedicine, ectosomes, exosomes, extracellular vesicles, guidelines, microparticles, microvesicles, minimal information requirements, reproducibility, rigor, standardization, MEMBRANE-VESICLES, FETAL BOVINE, Ectosomes, Exosomes, Extracellular Vesicles, Guidelines, Microparticles, Microvesicles, Minimal Information Requirements, Reproducibility, Rigor, Standardization, CIRCULATING MICROPARTICLES, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, ddc:570, exosome, SURFACE-PLASMON RESONANCE, ddc:610, lcsh:QH573-671, Biology, Interacció cel·lular, Science & Technology, ResearchInstitutes_Networks_Beacons/mcrc, Cell membranes, HUMAN URINARY EXOSOMES, PREANALYTICAL PARAMETERS, minimal information requirement, SIZE-EXCLUSION CHROMATOGRAPHY, 1182 Biochemistry, cell and molecular biology, extracellular vesicle, Human medicine, Membranes cel·lulars
Abstract

The last decade has seen a sharp increase in the number of scientific publications describing physiological and pathological functions of extracellular vesicles (EVs), a collective term covering various subtypes of cell-released, membranous structures, called exosomes, microvesicles, microparticles, ectosomes, oncosomes, apoptotic bodies, and many other names. However, specific issues arise when working with these entities, whose size and amount often make them difficult to obtain as relatively pure preparations, and to characterize properly. The International Society for Extracellular Vesicles (ISEV) proposed Minimal Information for Studies of Extracellular Vesicles ("MISEV") guidelines for the field in 2014. We now update these "MISEV2014" guidelines based on evolution of the collective knowledge in the last four years. An important point to consider is that ascribing a specific function to EVs in general, or to subtypes of EVs, requires reporting of specific information beyond mere description of function in a crude, potentially contaminated, and heterogeneous preparation. For example, claims that exosomes are endowed with exquisite and specific activities remain difficult to support experimentally, given our still limited knowledge of their specific molecular machineries of biogenesis and release, as compared with other biophysically similar EVs. The MISEV2018 guidelines include tables and outlines of suggested protocols and steps to follow to document specific EV-associated functional activities. Finally, a checklist is provided with summaries of key points.

Published
2018

27. Elevated myonuclear density during skeletal muscle hypertrophy in response to training is reversed during detraining

Author

Dungan, Cory M., primary, Murach, Kevin A., additional, Frick, Kaitlyn K., additional, Jones, Savannah R., additional, Crow, Samuel E., additional, Englund, Davis A., additional, Vechetti, Ivan J., additional, Figueiredo, Vandre C., additional, Levitan, Bryana M., additional, Satin, Jonathan, additional, McCarthy, John J., additional, and Peterson, Charlotte A., additional

Published
2019
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28. Bovine Milk Extracellular Vesicles (EVs) Modification Elicits Skeletal Muscle Growth in Rats

Author

Parry, Hailey A., primary, Mobley, C. Brooks, additional, Mumford, Petey W., additional, Romero, Matthew A., additional, Haun, Cody T., additional, Zhang, Yufeng, additional, Roberson, Paul A., additional, Zempleni, Janos, additional, Ferrando, Arny A., additional, Vechetti, Ivan J., additional, McCarthy, John J., additional, Young, Kaelin C., additional, Roberts, Michael D., additional, and Kavazis, Andreas N., additional

Published
2019
Full Text
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30. Minimal information for studies of extracellular vesicles 2018 (MISEV2018): a position statement of the International Society for Extracellular Vesicles and update of the MISEV2014 guidelines

Author

Théry, Clotilde, primary, Witwer, Kenneth W, additional, Aikawa, Elena, additional, Alcaraz, Maria Jose, additional, Anderson, Johnathon D, additional, Andriantsitohaina, Ramaroson, additional, Antoniou, Anna, additional, Arab, Tanina, additional, Archer, Fabienne, additional, Atkin-Smith, Georgia K, additional, Ayre, D Craig, additional, Bach, Jean-Marie, additional, Bachurski, Daniel, additional, Baharvand, Hossein, additional, Balaj, Leonora, additional, Baldacchino, Shawn, additional, Bauer, Natalie N, additional, Baxter, Amy A, additional, Bebawy, Mary, additional, Beckham, Carla, additional, Bedina Zavec, Apolonija, additional, Benmoussa, Abderrahim, additional, Berardi, Anna C, additional, Bergese, Paolo, additional, Bielska, Ewa, additional, Blenkiron, Cherie, additional, Bobis-Wozowicz, Sylwia, additional, Boilard, Eric, additional, Boireau, Wilfrid, additional, Bongiovanni, Antonella, additional, Borràs, Francesc E, additional, Bosch, Steffi, additional, Boulanger, Chantal M, additional, Breakefield, Xandra, additional, Breglio, Andrew M, additional, Brennan, Meadhbh Á, additional, Brigstock, David R, additional, Brisson, Alain, additional, Broekman, Marike LD, additional, Bromberg, Jacqueline F, additional, Bryl-Górecka, Paulina, additional, Buch, Shilpa, additional, Buck, Amy H, additional, Burger, Dylan, additional, Busatto, Sara, additional, Buschmann, Dominik, additional, Bussolati, Benedetta, additional, Buzás, Edit I, additional, Byrd, James Bryan, additional, Camussi, Giovanni, additional, Carter, David RF, additional, Caruso, Sarah, additional, Chamley, Lawrence W, additional, Chang, Yu-Ting, additional, Chen, Chihchen, additional, Chen, Shuai, additional, Cheng, Lesley, additional, Chin, Andrew R, additional, Clayton, Aled, additional, Clerici, Stefano P, additional, Cocks, Alex, additional, Cocucci, Emanuele, additional, Coffey, Robert J, additional, Cordeiro-da-Silva, Anabela, additional, Couch, Yvonne, additional, Coumans, Frank AW, additional, Coyle, Beth, additional, Crescitelli, Rossella, additional, Criado, Miria Ferreira, additional, D’Souza-Schorey, Crislyn, additional, Das, Saumya, additional, Datta Chaudhuri, Amrita, additional, de Candia, Paola, additional, De Santana, Eliezer F, additional, De Wever, Olivier, additional, del Portillo, Hernando A, additional, Demaret, Tanguy, additional, Deville, Sarah, additional, Devitt, Andrew, additional, Dhondt, Bert, additional, Di Vizio, Dolores, additional, Dieterich, Lothar C, additional, Dolo, Vincenza, additional, Dominguez Rubio, Ana Paula, additional, Dominici, Massimo, additional, Dourado, Mauricio R, additional, Driedonks, Tom AP, additional, Duarte, Filipe V, additional, Duncan, Heather M, additional, Eichenberger, Ramon M, additional, Ekström, Karin, additional, EL Andaloussi, Samir, additional, Elie-Caille, Celine, additional, Erdbrügger, Uta, additional, Falcón-Pérez, Juan M, additional, Fatima, Farah, additional, Fish, Jason E, additional, Flores-Bellver, Miguel, additional, Försönits, András, additional, Frelet-Barrand, Annie, additional, Fricke, Fabia, additional, Fuhrmann, Gregor, additional, Gabrielsson, Susanne, additional, Gámez-Valero, Ana, additional, Gardiner, Chris, additional, Gärtner, Kathrin, additional, Gaudin, Raphael, additional, Gho, Yong Song, additional, Giebel, Bernd, additional, Gilbert, Caroline, additional, Gimona, Mario, additional, Giusti, Ilaria, additional, Goberdhan, Deborah CI, additional, Görgens, André, additional, Gorski, Sharon M, additional, Greening, David W, additional, Gross, Julia Christina, additional, Gualerzi, Alice, additional, Gupta, Gopal N, additional, Gustafson, Dakota, additional, Handberg, Aase, additional, Haraszti, Reka A, additional, Harrison, Paul, additional, Hegyesi, Hargita, additional, Hendrix, An, additional, Hill, Andrew F, additional, Hochberg, Fred H, additional, Hoffmann, Karl F, additional, Holder, Beth, additional, Holthofer, Harry, additional, Hosseinkhani, Baharak, additional, Hu, Guoku, additional, Huang, Yiyao, additional, Huber, Veronica, additional, Hunt, Stuart, additional, Ibrahim, Ahmed Gamal-Eldin, additional, Ikezu, Tsuneya, additional, Inal, Jameel M, additional, Isin, Mustafa, additional, Ivanova, Alena, additional, Jackson, Hannah K, additional, Jacobsen, Soren, additional, Jay, Steven M, additional, Jayachandran, Muthuvel, additional, Jenster, Guido, additional, Jiang, Lanzhou, additional, Johnson, Suzanne M, additional, Jones, Jennifer C, additional, Jong, Ambrose, additional, Jovanovic-Talisman, Tijana, additional, Jung, Stephanie, additional, Kalluri, Raghu, additional, Kano, Shin-ichi, additional, Kaur, Sukhbir, additional, Kawamura, Yumi, additional, Keller, Evan T, additional, Khamari, Delaram, additional, Khomyakova, Elena, additional, Khvorova, Anastasia, additional, Kierulf, Peter, additional, Kim, Kwang Pyo, additional, Kislinger, Thomas, additional, Klingeborn, Mikael, additional, Klinke, David J, additional, Kornek, Miroslaw, additional, Kosanović, Maja M, additional, Kovács, Árpád Ferenc, additional, Krämer-Albers, Eva-Maria, additional, Krasemann, Susanne, additional, Krause, Mirja, additional, Kurochkin, Igor V, additional, Kusuma, Gina D, additional, Kuypers, Sören, additional, Laitinen, Saara, additional, Langevin, Scott M, additional, Languino, Lucia R, additional, Lannigan, Joanne, additional, Lässer, Cecilia, additional, Laurent, Louise C, additional, Lavieu, Gregory, additional, Lázaro-Ibáñez, Elisa, additional, Le Lay, Soazig, additional, Lee, Myung-Shin, additional, Lee, Yi Xin Fiona, additional, Lemos, Debora S, additional, Lenassi, Metka, additional, Leszczynska, Aleksandra, additional, Li, Isaac TS, additional, Liao, Ke, additional, Libregts, Sten F, additional, Ligeti, Erzsebet, additional, Lim, Rebecca, additional, Lim, Sai Kiang, additional, Linē, Aija, additional, Linnemannstöns, Karen, additional, Llorente, Alicia, additional, Lombard, Catherine A, additional, Lorenowicz, Magdalena J, additional, Lörincz, Ákos M, additional, Lötvall, Jan, additional, Lovett, Jason, additional, Lowry, Michelle C, additional, Loyer, Xavier, additional, Lu, Quan, additional, Lukomska, Barbara, additional, Lunavat, Taral R, additional, Maas, Sybren LN, additional, Malhi, Harmeet, additional, Marcilla, Antonio, additional, Mariani, Jacopo, additional, Mariscal, Javier, additional, Martens-Uzunova, Elena S, additional, Martin-Jaular, Lorena, additional, Martinez, M Carmen, additional, Martins, Vilma Regina, additional, Mathieu, Mathilde, additional, Mathivanan, Suresh, additional, Maugeri, Marco, additional, McGinnis, Lynda K, additional, McVey, Mark J, additional, Meckes, David G, additional, Meehan, Katie L, additional, Mertens, Inge, additional, Minciacchi, Valentina R, additional, Möller, Andreas, additional, Møller Jørgensen, Malene, additional, Morales-Kastresana, Aizea, additional, Morhayim, Jess, additional, Mullier, François, additional, Muraca, Maurizio, additional, Musante, Luca, additional, Mussack, Veronika, additional, Muth, Dillon C, additional, Myburgh, Kathryn H, additional, Najrana, Tanbir, additional, Nawaz, Muhammad, additional, Nazarenko, Irina, additional, Nejsum, Peter, additional, Neri, Christian, additional, Neri, Tommaso, additional, Nieuwland, Rienk, additional, Nimrichter, Leonardo, additional, Nolan, John P, additional, Nolte-’t Hoen, Esther NM, additional, Noren Hooten, Nicole, additional, O’Driscoll, Lorraine, additional, O’Grady, Tina, additional, O’Loghlen, Ana, additional, Ochiya, Takahiro, additional, Olivier, Martin, additional, Ortiz, Alberto, additional, Ortiz, Luis A, additional, Osteikoetxea, Xabier, additional, Østergaard, Ole, additional, Ostrowski, Matias, additional, Park, Jaesung, additional, Pegtel, D. Michiel, additional, Peinado, Hector, additional, Perut, Francesca, additional, Pfaffl, Michael W, additional, Phinney, Donald G, additional, Pieters, Bartijn CH, additional, Pink, Ryan C, additional, Pisetsky, David S, additional, Pogge von Strandmann, Elke, additional, Polakovicova, Iva, additional, Poon, Ivan KH, additional, Powell, Bonita H, additional, Prada, Ilaria, additional, Pulliam, Lynn, additional, Quesenberry, Peter, additional, Radeghieri, Annalisa, additional, Raffai, Robert L, additional, Raimondo, Stefania, additional, Rak, Janusz, additional, Ramirez, Marcel I, additional, Raposo, Graça, additional, Rayyan, Morsi S, additional, Regev-Rudzki, Neta, additional, Ricklefs, Franz L, additional, Robbins, Paul D, additional, Roberts, David D, additional, Rodrigues, Silvia C, additional, Rohde, Eva, additional, Rome, Sophie, additional, Rouschop, Kasper MA, additional, Rughetti, Aurelia, additional, Russell, Ashley E, additional, Saá, Paula, additional, Sahoo, Susmita, additional, Salas-Huenuleo, Edison, additional, Sánchez, Catherine, additional, Saugstad, Julie A, additional, Saul, Meike J, additional, Schiffelers, Raymond M, additional, Schneider, Raphael, additional, Schøyen, Tine Hiorth, additional, Scott, Aaron, additional, Shahaj, Eriomina, additional, Sharma, Shivani, additional, Shatnyeva, Olga, additional, Shekari, Faezeh, additional, Shelke, Ganesh Vilas, additional, Shetty, Ashok K, additional, Shiba, Kiyotaka, additional, Siljander, Pia R-M, additional, Silva, Andreia M, additional, Skowronek, Agata, additional, Snyder, Orman L, additional, Soares, Rodrigo Pedro, additional, Sódar, Barbara W, additional, Soekmadji, Carolina, additional, Sotillo, Javier, additional, Stahl, Philip D, additional, Stoorvogel, Willem, additional, Stott, Shannon L, additional, Strasser, Erwin F, additional, Swift, Simon, additional, Tahara, Hidetoshi, additional, Tewari, Muneesh, additional, Timms, Kate, additional, Tiwari, Swasti, additional, Tixeira, Rochelle, additional, Tkach, Mercedes, additional, Toh, Wei Seong, additional, Tomasini, Richard, additional, Torrecilhas, Ana Claudia, additional, Tosar, Juan Pablo, additional, Toxavidis, Vasilis, additional, Urbanelli, Lorena, additional, Vader, Pieter, additional, van Balkom, Bas WM, additional, van der Grein, Susanne G, additional, Van Deun, Jan, additional, van Herwijnen, Martijn JC, additional, Van Keuren-Jensen, Kendall, additional, van Niel, Guillaume, additional, van Royen, Martin E, additional, van Wijnen, Andre J, additional, Vasconcelos, M Helena, additional, Vechetti, Ivan J, additional, Veit, Tiago D, additional, Vella, Laura J, additional, Velot, Émilie, additional, Verweij, Frederik J, additional, Vestad, Beate, additional, Viñas, Jose L, additional, Visnovitz, Tamás, additional, Vukman, Krisztina V, additional, Wahlgren, Jessica, additional, Watson, Dionysios C, additional, Wauben, Marca HM, additional, Weaver, Alissa, additional, Webber, Jason P, additional, Weber, Viktoria, additional, Wehman, Ann M, additional, Weiss, Daniel J, additional, Welsh, Joshua A, additional, Wendt, Sebastian, additional, Wheelock, Asa M, additional, Wiener, Zoltán, additional, Witte, Leonie, additional, Wolfram, Joy, additional, Xagorari, Angeliki, additional, Xander, Patricia, additional, Xu, Jing, additional, Yan, Xiaomei, additional, Yáñez-Mó, María, additional, Yin, Hang, additional, Yuana, Yuana, additional, Zappulli, Valentina, additional, Zarubova, Jana, additional, Žėkas, Vytautas, additional, Zhang, Jian-ye, additional, Zhao, Zezhou, additional, Zheng, Lei, additional, Zheutlin, Alexander R, additional, Zickler, Antje M, additional, Zimmermann, Pascale, additional, Zivkovic, Angela M, additional, Zocco, Davide, additional, and Zuba-Surma, Ewa K, additional

Published
2018
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32. The role of extracellular vesicles in skeletal muscle and systematic adaptation to exercise.

Author

Vechetti, Ivan J., Valentino, Taylor, Mobley, C. Brooks, and McCarthy, John J.

Subjects
*EXTRACELLULAR vesicles, *SKELETAL muscle, *EXERCISE physiology, *EXERCISE, *TYPE 2 diabetes
Abstract

Regular exercise has a central role in human health by reducing the risk of type 2 diabetes, obesity, stroke and cancer. How exercise is able to promote such systemic benefits has remained somewhat of a mystery but has been thought to be in part mediated by the release of myokines, skeletal muscle‐specific cytokines, in response to exercise. Recent studies have revealed skeletal muscle can also release extracellular vesicles (EVs) into circulation following a bout of exercise. EVs are small membrane‐bound vesicles capable of delivering biomolecules to recipient cells and subsequently altering their metabolism. The notion that EVs may have a role in both skeletal muscle and systemic adaptation to exercise has generated a great deal of excitement within a number of different fields including exercise physiology, neuroscience and metabolism. The purpose of this review is to provide an introduction to EV biology and what is currently known about skeletal muscle EVs and their potential role in the response of muscle and other tissues to exercise. [ABSTRACT FROM AUTHOR]

Published
2021
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34. MicroRNA control of the myogenic cell transcriptome and proteome: the role of miR-16.

Author

Lim S, Lee DE, Morena da Silva F, Koopmans PJ, Vechetti IJ Jr, von Walden F, Greene NP, and Murach KA

Subjects
Cell Differentiation genetics, Muscle Development genetics, Muscle Fibers, Skeletal metabolism, Proteome genetics, Proteomics, Transcriptome genetics, Animals, Mice, MicroRNAs genetics, MicroRNAs metabolism
Abstract

MicroRNAs (miRs) control stem cell biology and fate. Ubiquitously expressed and conserved miR-16 was the first miR implicated in tumorigenesis. miR-16 is low in muscle during developmental hypertrophy and regeneration. It is enriched in proliferating myogenic progenitor cells but is repressed during differentiation. The induction of miR-16 blocks myoblast differentiation and myotube formation, whereas knockdown enhances these processes. Despite a central role for miR-16 in myogenic cell biology, how it mediates its potent effects is incompletely defined. In this investigation, global transcriptomic and proteomic analyses after miR-16 knockdown in proliferating C2C12 myoblasts revealed how miR-16 influences myogenic cell fate. Eighteen hours after miR-16 inhibition, ribosomal protein gene expression levels were higher relative to control myoblasts and p53 pathway-related gene abundance was lower. At the protein level at this same time point, miR-16 knockdown globally upregulated tricarboxylic acid (TCA) cycle proteins while downregulating RNA metabolism-related proteins. miR-16 inhibition induced specific proteins associated with myogenic differentiation such as ACTA2, EEF1A2, and OPA1. We extend prior work in hypertrophic muscle tissue and show that miR-16 is lower in mechanically overloaded muscle in vivo. Our data collectively point to how miR-16 is implicated in aspects of myogenic cell differentiation. A deeper understanding of the role of miR-16 in myogenic cells has consequences for muscle developmental growth, exercise-induced hypertrophy, and regenerative repair after injury, all of which involve myogenic progenitors.

Published
2023
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35. Exercise-mediated alteration of hippocampal Dicer mRNA and miRNAs is associated with lower BACE1 gene expression and Aβ 1-42 in female 3xTg-AD mice.

Author

Dungan CM, Valentino T, Vechetti IJ Jr, Zdunek CJ, Murphy MP, Lin AL, McCarthy JJ, and Peterson CA

Subjects
Animals, Disease Models, Animal, Female, Mice, Transgenic, Motor Activity, RNA, Messenger metabolism, Alzheimer Disease metabolism, Amyloid Precursor Protein Secretases metabolism, Amyloid beta-Peptides metabolism, Aspartic Acid Endopeptidases metabolism, DEAD-box RNA Helicases metabolism, Hippocampus metabolism, MicroRNAs metabolism, Peptide Fragments metabolism, Physical Conditioning, Animal, Ribonuclease III metabolism
Abstract

Changes to cerebral miRNA expression have been implicated in the progression of Alzheimer's disease (AD), as miRNAs that regulate the expression of gene products involved in amyloid beta (Aβ) processing, such as BACE1, are dysregulated in those that suffer from AD. Exercise training improves cognition and reduces BACE1 and Aβ-plaque burden; however, the mechanisms are not fully understood. Using our progressive weighted wheel running (PoWeR) exercise program, we assessed the effect of 20 wk of exercise training on changes in hippocampal miRNA expression in female 3xTg-AD (3xTg) mice. PoWeR was sufficient to promote muscle hypertrophy and increase myonuclear abundance. Furthermore, PoWeR elevated hippocampal Dicer gene expression in 3xTg mice, while altering miRNA expression toward a more wild-type profile. Specifically, miR-29, which is validated to target BACE1, was significantly lower in sedentary 3xTg mice when compared with wild-type but was elevated following PoWeR. Accordingly, BACE1 gene expression, along with detergent-soluble Aβ 1-42 , was lower in PoWeR-trained 3xTg mice. Our data suggest that PoWeR training upregulates Dicer gene expression to alter cerebral miRNA expression, which may contribute to reduced Aβ accumulation and delay AD progression. NEW & NOTEWORTHY Previous studies have outlined the beneficial effects of exercise on lowering BACE1 expression and reducing Aβ plaques. This study extends upon the work of others by outlining a new potential mechanism by which exercise elicits beneficial effects on Alzheimer's disease pathology, specifically through modulation of Dicer and miRNA expression. This is the first study to examine Dicer and miRNA expression in the hippocampus of the 3xTg model within the context of exercise.

Published
2020
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36. Serum extracellular vesicle miR-203a-3p content is associated with skeletal muscle mass and protein turnover during disuse atrophy and regrowth.

Author

Van Pelt DW, Vechetti IJ Jr, Lawrence MM, Van Pelt KL, Patel P, Miller BF, Butterfield TA, and Dupont-Versteegden EE

Subjects
Animals, Biomarkers metabolism, Extracellular Vesicles genetics, Hindlimb Suspension, Humans, Kidney metabolism, Liver metabolism, Microarray Analysis, Muscle Proteins genetics, Muscular Atrophy metabolism, Muscular Atrophy pathology, Muscular Disorders, Atrophic metabolism, Muscular Disorders, Atrophic pathology, Rats, MicroRNAs genetics, Muscle, Skeletal metabolism, Muscular Atrophy genetics, Muscular Disorders, Atrophic genetics
Abstract

Small noncoding microRNAs (miRNAs) are important regulators of skeletal muscle size, and circulating miRNAs within extracellular vesicles (EVs) may contribute to atrophy and its associated systemic effects. The purpose of this study was to understand how muscle atrophy and regrowth alter in vivo serum EV miRNA content. We also associated changes in serum EV miRNA with protein synthesis, protein degradation, and miRNA within muscle, kidney, and liver. We subjected adult (10 mo) F344/BN rats to three conditions: weight bearing (WB), hindlimb suspension (HS) for 7 days to induce muscle atrophy, and HS for 7 days followed by 7 days of reloading (HSR). Microarray analysis of EV miRNA content showed that the overall changes in serum EV miRNA were predicted to target major anabolic, catabolic, and mechanosensitive pathways. MiR-203a-3p was the only miRNA demonstrating substantial differences in HS EVs compared with WB. There was a limited association of EV miRNA content to the corresponding miRNA content within the muscle, kidney, or liver. Stepwise linear regression demonstrated that EV miR-203a-3p was correlated with muscle mass and muscle protein synthesis and degradation across all conditions. Finally, EV miR-203a-3p expression was significantly decreased in human subjects who underwent unilateral lower limb suspension (ULLS) to induce muscle atrophy. Altogether, we show that serum EV miR-203a-3p expression is related to skeletal muscle protein turnover and atrophy. We suggest that serum EV miR-203a-3p content may be a useful biomarker and future work should investigate whether serum EV miR-203a-3p content is mechanistically linked to protein synthesis and degradation.

Published
2020
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37. Depletion of resident muscle stem cells negatively impacts running volume, physical function, and muscle fiber hypertrophy in response to lifelong physical activity.

Author

Englund DA, Murach KA, Dungan CM, Figueiredo VC, Vechetti IJ Jr, Dupont-Versteegden EE, McCarthy JJ, and Peterson CA

Subjects
Adaptation, Physiological, Animals, Diphtheria Toxin genetics, Female, Gene Expression Regulation, Glycolysis, Hypertrophy, Mice, Transgenic, Muscle Fibers, Skeletal metabolism, Oxidation-Reduction, PAX7 Transcription Factor genetics, Peptide Fragments genetics, RNA, Untranslated genetics, Satellite Cells, Skeletal Muscle metabolism, Time Factors, Muscle Fibers, Skeletal pathology, Physical Conditioning, Animal, Running, Satellite Cells, Skeletal Muscle pathology, Sedentary Behavior
Abstract

To date, studies that have aimed to investigate the role of satellite cells during adult skeletal muscle adaptation and hypertrophy have utilized a nontranslational stimulus and/or have been performed over a relatively short time frame. Although it has been shown that satellite cell depletion throughout adulthood does not drive skeletal muscle loss in sedentary mice, it remains unknown how satellite cells participate in skeletal muscle adaptation to long-term physical activity. The current study was designed to determine whether reduced satellite cell content throughout adulthood would influence the transcriptome-wide response to physical activity and diminish the adaptive response of skeletal muscle. We administered vehicle or tamoxifen to adult Pax7-diphtheria toxin A (DTA) mice to deplete satellite cells and assigned them to sedentary or wheel-running conditions for 13 mo. Satellite cell depletion throughout adulthood reduced balance and coordination, overall running volume, and the size of muscle proprioceptors (spindle fibers). Furthermore, satellite cell participation was necessary for optimal muscle fiber hypertrophy but not adaptations in fiber type distribution in response to lifelong physical activity. Transcriptome-wide analysis of the plantaris and soleus revealed that satellite cell function is muscle type specific; satellite cell-dependent myonuclear accretion was apparent in oxidative muscles, whereas initiation of G protein-coupled receptor (GPCR) signaling in the glycolytic plantaris may require satellite cells to induce optimal adaptations to long-term physical activity. These findings suggest that satellite cells play a role in preserving physical function during aging and influence muscle adaptation during sustained periods of physical activity.

Published
2020
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38. Phosphorylation of eukaryotic initiation factor 4E is dispensable for skeletal muscle hypertrophy.

Author

Figueiredo VC, Englund DA, Vechetti IJ Jr, Alimov A, Peterson CA, and McCarthy JJ

Subjects
Animals, Biomechanical Phenomena, Cyclin D1 genetics, Cyclin D1 metabolism, Eukaryotic Initiation Factor-4E metabolism, Female, Gene Expression Regulation, Gene Knock-In Techniques, Hypertrophy metabolism, Hypertrophy pathology, Male, Mice, Mice, Inbred C57BL, Muscle, Skeletal pathology, Nuclear Proteins genetics, Nuclear Proteins metabolism, Organelle Biogenesis, Phosphorylation, Proto-Oncogene Proteins c-myc genetics, Proto-Oncogene Proteins c-myc metabolism, RNA, Ribosomal genetics, RNA, Ribosomal metabolism, Ribosomes genetics, Ribosomes metabolism, Signal Transduction, Eukaryotic Initiation Factor-4E genetics, Hypertrophy genetics, Muscle, Skeletal metabolism, Protein Biosynthesis, Serine metabolism
Abstract

The eukaryotic initiation factor 4E (eIF4E) is a major mRNA cap-binding protein that has a central role in translation initiation. Ser 209 is the single phosphorylation site within eIF4E and modulates its activity in response to MAPK pathway activation. It has been reported that phosphorylation of eIF4E at Ser 209 promotes translation of key mRNAs, such as cyclin D1, that regulate ribosome biogenesis. We hypothesized that phosphorylation at Ser 209 is required for skeletal muscle growth in response to a hypertrophic stimulus by promoting ribosome biogenesis. To test this hypothesis, wild-type (WT) and eIF4E knocked-in (KI) mice were subjected to synergist ablation to induce muscle hypertrophy of the plantaris muscle as the result of mechanical overload; in the KI mouse, Ser 209 of eIF4E was replaced with a nonphosphorylatable alanine. Contrary to our hypothesis, we observed no difference in the magnitude of hypertrophy between WT and KI groups in response to 14 days of mechanical overload induced by synergist ablation. Similarly, the increases in cyclin D1 protein levels, ribosome biogenesis, and translational capacity did not differ between WT and KI groups. Based on these findings, we conclude that phosphorylation of eIF4E at Ser 209 is dispensable for skeletal muscle hypertrophy in response to mechanical overload.

Published
2019
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39. Elevated myonuclear density during skeletal muscle hypertrophy in response to training is reversed during detraining.

Author

Dungan CM, Murach KA, Frick KK, Jones SR, Crow SE, Englund DA, Vechetti IJ Jr, Figueiredo VC, Levitan BM, Satin J, McCarthy JJ, and Peterson CA

Subjects
Animals, Female, Hypertrophy pathology, Mice, Mice, Inbred C57BL, Muscle Fibers, Skeletal pathology, Muscle Fibers, Skeletal physiology, Physical Conditioning, Animal methods, Physical Conditioning, Animal physiology, Weight-Bearing physiology
Abstract

Myonuclei gained during exercise-induced skeletal muscle hypertrophy may be long-lasting and could facilitate future muscle adaptability after deconditioning, a concept colloquially termed "muscle memory." The evidence for this is limited, mostly due to the lack of a murine exercise-training paradigm that is nonsurgical and reversible. To address this limitation, we developed a novel progressive weighted-wheel-running (PoWeR) model of murine exercise training to test whether myonuclei gained during exercise persist after detraining. We hypothesized that myonuclei acquired during training-induced hypertrophy would remain following loss of muscle mass with detraining. Singly housed female C57BL/6J mice performed 8 wk of PoWeR, while another group performed 8 wk of PoWeR followed by 12 wk of detraining. Age-matched sedentary cage-dwelling mice served as untrained controls. Eight weeks of PoWeR yielded significant plantaris muscle fiber hypertrophy, a shift to a more oxidative phenotype, and greater myonuclear density than untrained mice. After 12 wk of detraining, the plantaris muscle returned to an untrained phenotype with fewer myonuclei. A finding of fewer myonuclei simultaneously with plantaris deconditioning argues against a muscle memory mechanism mediated by elevated myonuclear density in primarily fast-twitch muscle. PoWeR is a novel, practical, and easy-to-deploy approach for eliciting robust hypertrophy in mice, and our findings can inform future research on the mechanisms underlying skeletal muscle adaptive potential and muscle memory.

Published
2019
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