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Lawton A, Tripodi N, Feehan J. Running on empty: Exploring stem cell exhaustion in geriatric musculoskeletal disease. Maturitas 2024; 188:108066. [PMID: 39089047 DOI: 10.1016/j.maturitas.2024.108066] [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: 02/29/2024] [Revised: 06/26/2024] [Accepted: 07/10/2024] [Indexed: 08/03/2024]
Abstract
Ageing populations globally are associated with increased musculoskeletal disease, including osteoporosis and sarcopenia. These conditions place a significant burden of disease on the individual, society and the economy. To address this, we need to understand the underpinning biological changes, including stem cell exhaustion, which plays a key role in the ageing of the musculoskeletal system. This review of the recent evidence provides an overview of the associated biological processes. The review utilised the PubMed/Medline, Science Direct, and Google Scholar databases. Mechanisms of ageing identified involve a reaction to the chronic inflammation and oxidative stress associated with ageing, resulting in progenitor cell senescence and adipogenic differentiation, leading to decreased mass and quality of both bone and muscle tissue. Although the mechanisms underpinning stem cell exhaustion are unclear, it remains a promising avenue through which to identify new strategies for prevention, detection and management.
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Affiliation(s)
- Amy Lawton
- Institute for Health and Sport, Victoria University, Melbourne, Australia; College of Sport, Health and Engineering, Victoria University, Melbourne, Australia
| | - Nicholas Tripodi
- Institute for Health and Sport, Victoria University, Melbourne, Australia; First Year College, Victoria University, Melbourne, Australia
| | - Jack Feehan
- Institute for Health and Sport, Victoria University, Melbourne, Australia; School of Health and Biomedical Sciences, STEM College, RMIT, Melbourne, Australia.
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2
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Wensveen FM, Šestan M, Polić B. The immunology of sickness metabolism. Cell Mol Immunol 2024; 21:1051-1065. [PMID: 39107476 PMCID: PMC11364700 DOI: 10.1038/s41423-024-01192-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 05/29/2024] [Indexed: 09/01/2024] Open
Abstract
Everyone knows that an infection can make you feel sick. Although we perceive infection-induced changes in metabolism as a pathology, they are a part of a carefully regulated process that depends on tissue-specific interactions between the immune system and organs involved in the regulation of systemic homeostasis. Immune-mediated changes in homeostatic parameters lead to altered production and uptake of nutrients in circulation, which modifies the metabolic rate of key organs. This is what we experience as being sick. The purpose of sickness metabolism is to generate a metabolic environment in which the body is optimally able to fight infection while denying vital nutrients for the replication of pathogens. Sickness metabolism depends on tissue-specific immune cells, which mediate responses tailored to the nature and magnitude of the threat. As an infection increases in severity, so do the number and type of immune cells involved and the level to which organs are affected, which dictates the degree to which we feel sick. Interestingly, many alterations associated with metabolic disease appear to overlap with immune-mediated changes observed following infection. Targeting processes involving tissue-specific interactions between activated immune cells and metabolic organs therefore holds great potential for treating both people with severe infection and those with metabolic disease. In this review, we will discuss how the immune system communicates in situ with organs involved in the regulation of homeostasis and how this communication is impacted by infection.
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Affiliation(s)
| | - Marko Šestan
- University of Rijeka Faculty of Medicine, Rijeka, Croatia
| | - Bojan Polić
- University of Rijeka Faculty of Medicine, Rijeka, Croatia
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3
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Sandireddy R, Sakthivel S, Gupta P, Behari J, Tripathi M, Singh BK. Systemic impacts of metabolic dysfunction-associated steatotic liver disease (MASLD) and metabolic dysfunction-associated steatohepatitis (MASH) on heart, muscle, and kidney related diseases. Front Cell Dev Biol 2024; 12:1433857. [PMID: 39086662 PMCID: PMC11289778 DOI: 10.3389/fcell.2024.1433857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 07/01/2024] [Indexed: 08/02/2024] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD), previously known as non-alcoholic fatty liver disease (NAFLD), is the most common liver disorder worldwide, with an estimated global prevalence of more than 31%. Metabolic dysfunction-associated steatohepatitis (MASH), formerly known as non-alcoholic steatohepatitis (NASH), is a progressive form of MASLD characterized by hepatic steatosis, inflammation, and fibrosis. This review aims to provide a comprehensive analysis of the extrahepatic manifestations of MASH, focusing on chronic diseases related to the cardiovascular, muscular, and renal systems. A systematic review of published studies and literature was conducted to summarize the findings related to the systemic impacts of MASLD and MASH. The review focused on the association of MASLD and MASH with metabolic comorbidities, cardiovascular mortality, sarcopenia, and chronic kidney disease. Mechanistic insights into the concept of lipotoxic inflammatory "spill over" from the MASH-affected liver were also explored. MASLD and MASH are highly associated (50%-80%) with other metabolic comorbidities such as impaired insulin response, type 2 diabetes, dyslipidemia, hypertriglyceridemia, and hypertension. Furthermore, more than 90% of obese patients with type 2 diabetes have MASH. Data suggest that in middle-aged individuals (especially those aged 45-54), MASLD is an independent risk factor for cardiovascular mortality, sarcopenia, and chronic kidney disease. The concept of lipotoxic inflammatory "spill over" from the MASH-affected liver plays a crucial role in mediating the systemic pathological effects observed. Understanding the multifaceted impact of MASH on the heart, muscle, and kidney is crucial for early detection and risk stratification. This knowledge is also timely for implementing comprehensive disease management strategies addressing multi-organ involvement in MASH pathogenesis.
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Affiliation(s)
| | | | | | | | - Madhulika Tripathi
- Cardiovascular and Metabolic Disorders Research Program, Duke-NUS Medical School, Singapore, Singapore
| | - Brijesh Kumar Singh
- Cardiovascular and Metabolic Disorders Research Program, Duke-NUS Medical School, Singapore, Singapore
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4
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Majchrzak K, Hentschel E, Hönzke K, Geithe C, von Maltzahn J. We need to talk-how muscle stem cells communicate. Front Cell Dev Biol 2024; 12:1378548. [PMID: 39050890 PMCID: PMC11266305 DOI: 10.3389/fcell.2024.1378548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 06/18/2024] [Indexed: 07/27/2024] Open
Abstract
Skeletal muscle is one of the tissues with the highest ability to regenerate, a finely controlled process which is critically depending on muscle stem cells. Muscle stem cell functionality depends on intrinsic signaling pathways and interaction with their immediate niche. Upon injury quiescent muscle stem cells get activated, proliferate and fuse to form new myofibers, a process involving the interaction of multiple cell types in regenerating skeletal muscle. Receptors in muscle stem cells receive the respective signals through direct cell-cell interaction, signaling via secreted factors or cell-matrix interactions thereby regulating responses of muscle stem cells to external stimuli. Here, we discuss how muscle stem cells interact with their immediate niche focusing on how this controls their quiescence, activation and self-renewal and how these processes are altered in age and disease.
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Affiliation(s)
- Karolina Majchrzak
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
| | - Erik Hentschel
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
| | - Katja Hönzke
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
- Department of Infectious Diseases and Respiratory Medicine, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Christiane Geithe
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
| | - Julia von Maltzahn
- Faculty of Health Sciences Brandenburg, Brandenburg University of Technology Cottbus–Senftenberg, Senftenberg, Germany
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
- Faculty for Environment and Natural Sciences, Brandenburg University of Technology Cottbus—Senftenberg, Senftenberg, Germany
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5
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Islam H, Tsai SH, Figueiredo C, Jackson GS, Marcotte-Chénard A, Bosak J, Moreno-Cabañas A, Lira FS, Little JP. Direct assessment of leukocyte signalling and cytokine secretion reveals exercise intensity-dependent reductions in anti-inflammatory cytokine action. J Physiol 2024; 602:2717-2736. [PMID: 38776176 DOI: 10.1113/jp286228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/24/2024] [Indexed: 05/24/2024] Open
Abstract
Circulating interleukin (IL)-6 and IL-10 concentrations are widely used to evaluate the anti-inflammatory effects of exercise but do not capture cytokine action at the cellular level. Whether and how acute exercise impacts anti-inflammatory cytokine action in humans is unknown. To determine how exercise intensity and pattern impact IL-6 and IL-10 action in blood leukocytes, 16 active adults (eight males/eight females; age: 30 ± 3 years; body mass index: 22.8 ± 2.3 kg/m2;V ̇ O 2 peak ${{\dot{V}}_{{{{\mathrm{O}}}_{\mathrm{2}}}{\mathrm{peak}}}}$ : 51 ± 6 mL/kg/min) completed a no-exercise control condition (CTL) or isocaloric bouts of cycling performed below (moderate continuous exercise; MCE) or above (heavy continuous or heavy intermittent exercise; HCE or HIE, respectively) lactate threshold. Venous blood (before, after, 30 min after and 90 min after exercise) was analysed for immune cell subpopulations, plasma cytokine concentrations, anti-inflammatory cytokine action and monocyte phenotype. Exercise induced rapid leukocytosis (P < 0.001) and increased plasma IL-6 (P < 0.001), IL-10 (P = 0.0145) and tumour necrosis factor-⍺ (TNF-⍺) (P = 0.0338) concentrations in an intensity-dependent manner (HCE and/or HIE vs. CTL). These systemic changes coincided with a diminished ability of IL-10/6 to phosphorylate STAT3 (P < 0.001) and inhibit TNF-⍺ secretion (P = 0.0238) in blood leukocytes following HCE and HIE. Monocyte polarization experiments revealed lower CD80 [MCE (P = 0.0933) and HIE (P = 0.0187) vs. CTL] and a tendency for higher CD163 expression (HCE vs. CTL, P = 0.0985), suggesting that hyporesponsiveness to anti-inflammatory cytokine action does not impede the ability of exercise to promote an anti-inflammatory monocyte phenotype. These findings provide novel insights into the immunomodulatory effects of exercise in humans and highlight the importance of directly measuring cellular cytokine action when evaluating the anti-inflammatory effects of exercise. KEY POINTS: Circulating cytokine concentrations are frequently used to evaluate the anti-inflammatory effects of exercise but may not capture changes in cytokine action occurring at the cellular level. We directly assessed anti-inflammatory cytokine action - measured using a combination of intracellular signalling and cytokine secretion ex vivo - in distinct immune cell subpopulations after acute calorie-matched exercise bouts differing in intensity and pattern. Anti-inflammatory cytokine action was blunted following higher intensity exercise despite corresponding increases in circulating cytokine concentrations and immune cell counts. Changes in cytokine action were not explained by changes in cytokine receptor expression on circulating immune cells. Our findings provide new insights into the immunomodulatory effects of exercise in humans and highlight the importance of directly measuring cellular cytokine action when evaluating the anti-inflammatory effects of exercise.
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Affiliation(s)
- Hashim Islam
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Kelowna, BC, Canada
| | - Shun-Hsi Tsai
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Caíque Figueiredo
- Exercise and Immunometabolism Research Group, Department of Physical Education, Post-Graduation Program in Movement Sciences, State University of São Paulo (UNESP), Presidente Prudente, São Paulo, Brazil
| | - Garett S Jackson
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Kelowna, BC, Canada
| | - Alexis Marcotte-Chénard
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Kelowna, BC, Canada
| | - Johannes Bosak
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Kelowna, BC, Canada
| | | | - Fabio S Lira
- Exercise and Immunometabolism Research Group, Department of Physical Education, Post-Graduation Program in Movement Sciences, State University of São Paulo (UNESP), Presidente Prudente, São Paulo, Brazil
- Centro de Investigação em Desporto e Atividade Física, University of Coimbra, Coimbra, Portugal
| | - Jonathan P Little
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Kelowna, BC, Canada
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Chen WC, Chen WX, Tan YY, Xu YJ, Luo Y, Qian SY, Xu WY, Huang MC, Guo YH, Zhou ZG, Zhang Q, Lu JX, Xie SJ. LncRNA 4930581F22Rik promotes myogenic differentiation by regulating the ERK/MAPK signaling pathway. Heliyon 2024; 10:e30640. [PMID: 38774102 PMCID: PMC11107111 DOI: 10.1016/j.heliyon.2024.e30640] [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: 01/11/2024] [Revised: 04/30/2024] [Accepted: 05/01/2024] [Indexed: 05/24/2024] Open
Abstract
The skeletal muscle is the largest organ in mammals and is the primary motor function organ of the body. Our previous research has shown that long non-coding RNAs (lncRNAs) are significant in the epigenetic control of skeletal muscle development. Here, we observed progressive upregulation of lncRNA 4930581F22Rik expression during skeletal muscle differentiation. Knockdown of lncRNA 4930581F22Rik hindered skeletal muscle differentiation and resulted in the inhibition of the myogenic markers MyHC and MEF2C. Furthermore, we found that lncRNA 4930581F22Rik regulates myogenesis via the ERK/MAPK signaling pathway, and this effect could be attenuated by the ERK-specific inhibitor PD0325901. Additionally, in vivo mice injury model results revealed that lncRNA 4930581F22Rik is involved in skeletal muscle regeneration. These results establish a theoretical basis for understanding the contribution of lncRNAs in skeletal muscle development and regeneration.
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Affiliation(s)
- Wei-Cai Chen
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Wan-Xin Chen
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Ye-Ya Tan
- Guangzhou Women and Children's Medical Center, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Ying-Jun Xu
- Liver Disease Laboratory, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Yi Luo
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Shi-Yu Qian
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Wan-Yi Xu
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Meng-Chun Huang
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Yan-Hua Guo
- Guangzhou Quality Supervision and Testing Institute, Guangzhou, 511447, China
| | - Zhi-Gang Zhou
- Department of Orthopedics, First Affiliated Hospital, Jinan University, Guangzhou, 510630, China
| | - Qi Zhang
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Vaccine Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jian-Xi Lu
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Shu-Juan Xie
- Biotherapy Center, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Vaccine Research Institute of Sun Yat-sen University, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
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7
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Beiter T, Zügel M, Hudemann J, Schild M, Fragasso A, Burgstahler C, Krüger K, Mooren FC, Steinacker JM, Nieß AM. The Acute, Short-, and Long-Term Effects of Endurance Exercise on Skeletal Muscle Transcriptome Profiles. Int J Mol Sci 2024; 25:2881. [PMID: 38474128 DOI: 10.3390/ijms25052881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024] Open
Abstract
A better understanding of the cellular and molecular mechanisms that are involved in skeletal muscle adaptation to exercise is fundamentally important to take full advantage of the enormous benefits that exercise training offers in disease prevention and therapy. The aim of this study was to elucidate the transcriptional signatures that distinguish the endurance-trained and untrained muscles in young adult males (24 ± 3.5 years). We characterized baseline differences as well as acute exercise-induced transcriptome responses in vastus lateralis biopsy specimens of endurance-trained athletes (ET; n = 8; VO2max, 67.2 ± 8.9 mL/min/kg) and sedentary healthy volunteers (SED; n = 8; VO2max, 40.3 ± 7.6 mL/min/kg) using microarray technology. A second cohort of SED volunteers (SED-T; n = 10) followed an 8-week endurance training program to assess expression changes of selected marker genes in the course of skeletal muscle adaptation. We deciphered differential baseline signatures that reflected major differences in the oxidative and metabolic capacity of the endurance-trained and untrained muscles. SED-T individuals in the training group displayed an up-regulation of nodal regulators of oxidative adaptation after 3 weeks of training and a significant shift toward the ET signature after 8 weeks. Transcriptome changes provoked by 1 h of intense cycling exercise only poorly overlapped with the genes that constituted the differential baseline signature of ETs and SEDs. Overall, acute exercise-induced transcriptional responses were connected to pathways of contractile, oxidative, and inflammatory stress and revealed a complex and highly regulated framework of interwoven signaling cascades to cope with exercise-provoked homeostatic challenges. While temporal transcriptional programs that were activated in SEDs and ETs were quite similar, the quantitative divergence in the acute response transcriptomes implicated divergent kinetics of gene induction and repression following an acute bout of exercise. Together, our results provide an extensive examination of the transcriptional framework that underlies skeletal muscle plasticity.
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Affiliation(s)
- Thomas Beiter
- Department of Sports Medicine, Medical Clinic, Eberhard-Karls-University of Tübingen, 72076 Tübingen, Germany
| | - Martina Zügel
- Department of Sport and Rehabilitation Medicine, University of Ulm, 89075 Ulm, Germany
| | - Jens Hudemann
- Department of Sports Medicine, Medical Clinic, Eberhard-Karls-University of Tübingen, 72076 Tübingen, Germany
| | - Marius Schild
- Department of Exercise Physiology and Sports Therapy, University of Gießen, 35394 Gießen, Germany
| | - Annunziata Fragasso
- Department of Sports Medicine, Medical Clinic, Eberhard-Karls-University of Tübingen, 72076 Tübingen, Germany
| | - Christof Burgstahler
- Department of Sports Medicine, Medical Clinic, Eberhard-Karls-University of Tübingen, 72076 Tübingen, Germany
| | - Karsten Krüger
- Department of Exercise Physiology and Sports Therapy, University of Gießen, 35394 Gießen, Germany
| | - Frank C Mooren
- Department of Medicine, Faculty of Health, University of Witten/Herdecke, 58455 Witten, Germany
| | - Jürgen M Steinacker
- Department of Sport and Rehabilitation Medicine, University of Ulm, 89075 Ulm, Germany
| | - Andreas M Nieß
- Department of Sports Medicine, Medical Clinic, Eberhard-Karls-University of Tübingen, 72076 Tübingen, Germany
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8
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Van K, Burns JL, Monk JM. Effect of Short-Chain Fatty Acids on Inflammatory and Metabolic Function in an Obese Skeletal Muscle Cell Culture Model. Nutrients 2024; 16:500. [PMID: 38398822 PMCID: PMC10891728 DOI: 10.3390/nu16040500] [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: 12/28/2023] [Revised: 01/29/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
The fermentation of non-digestible carbohydrates produces short-chain fatty acids (SCFAs), which have been shown to impact both skeletal muscle metabolic and inflammatory function; however, their effects within the obese skeletal muscle microenvironment are unknown. In this study, we developed a skeletal muscle in vitro model to mimic the critical features of the obese skeletal muscle microenvironment using L6 myotubes co-treated with 10 ng/mL lipopolysaccharide (LPS) and 500 µM palmitic acid (PA) for 24 h ± individual SCFAs, namely acetate, propionate and butyrate at 0.5 mM and 2.5 mM. At the lower SCFA concentration (0.5 mM), all three SCFA reduced the secreted protein level of RANTES, and only butyrate reduced IL-6 protein secretion and the intracellular protein levels of activated (i.e., ratio of phosphorylated-total) NFκB p65 and STAT3 (p < 0.05). Conversely, at the higher SCFA concentration (2.5 mM), individual SCFAs exerted different effects on inflammatory mediator secretion. Specifically, butyrate reduced IL-6, MCP-1 and RANTES secretion, propionate reduced IL-6 and RANTES, and acetate only reduced RANTES secretion (p < 0.05). All three SCFAs reduced intracellular protein levels of activated NFκB p65 and STAT3 (p < 0.05). Importantly, only the 2.5 mM SCFA concentration resulted in all three SCFAs increasing insulin-stimulated glucose uptake compared to control L6 myotube cultures (p < 0.05). Therefore, SCFAs exert differential effects on inflammatory mediator secretion in a cell culture model, recapitulating the obese skeletal muscle microenvironment; however, all three SCFAs exerted a beneficial metabolic effect only at a higher concentration via increasing insulin-stimulated glucose uptake, collectively exerting differing degrees of a beneficial effect on obesity-associated skeletal muscle dysfunction.
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Affiliation(s)
- Kelsey Van
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Jessie L. Burns
- Department of Health Sciences, Carleton University, Ottawa, ON K1S 5B6, Canada;
| | - Jennifer M. Monk
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada;
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9
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Wu M, Song W, Zhang M, Teng L, Tang Q, Zhu L. Potential mechanisms of exercise for relieving inflammatory pain: a literature review of animal studies. Front Aging Neurosci 2024; 16:1359455. [PMID: 38389561 PMCID: PMC10881774 DOI: 10.3389/fnagi.2024.1359455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 01/25/2024] [Indexed: 02/24/2024] Open
Abstract
Inflammatory pain (IP) is one of the most prevalent and intractable human conditions, and it leads to progressive dysfunction and reduced quality of life. Additionally, IP is incredibly challenging to treat successfully with drugs or surgery. The development of IP is complex and multifactorial, and peripheral and central sensitization may influence chronicity and treatment resistance in IP. Understanding the mechanisms underlying IP is vital for developing novel therapies. Strong evidence suggests that exercise can be a first-line relief for patients with IP during rehabilitation. However, the mechanisms through which exercise improves IP remain unclear. Here, we reviewed the current animal experimental evidence for an exercise intervention in IP and proposed biological mechanisms for the effects of synaptic plasticity in the anterior cingulate cortex, endocannabinoids, spinal dorsal horn excitability balance, immune cell polarization balance, cytokines, and glial cells. This information will contribute to basic science and strengthen the scientific basis for exercise therapy prescriptions for IP in clinical practice.
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Affiliation(s)
- Minmin Wu
- Department of Rehabilitation Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Wenjing Song
- Department of Rehabilitation Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Mei Zhang
- Department of Rehabilitation Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Lili Teng
- Department of Rehabilitation Medicine, Heilongjiang University of Chinese Medicine, Harbin, China
| | - Qiang Tang
- The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Luwen Zhu
- The Second Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
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10
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Lopes LO, Cury SS, de Moraes D, Oliveira JS, de Oliveira G, Cabral-Marques O, Fernandez GJ, Hirata MH, Wang DZ, Dal-Pai-Silva M, Carvalho RF, Freire PP. The Impact of miR-155-5p on Myotube Differentiation: Elucidating Molecular Targets in Skeletal Muscle Disorders. Int J Mol Sci 2024; 25:1777. [PMID: 38339055 PMCID: PMC10855706 DOI: 10.3390/ijms25031777] [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: 10/20/2023] [Revised: 12/11/2023] [Accepted: 12/16/2023] [Indexed: 02/12/2024] Open
Abstract
MicroRNAs are small regulatory molecules that control gene expression. An emerging property of muscle miRNAs is the cooperative regulation of transcriptional and epitranscriptional events controlling muscle phenotype. miR-155 has been related to muscular dystrophy and muscle cell atrophy. However, the function of miR-155 and its molecular targets in muscular dystrophies remain poorly understood. Through in silico and in vitro approaches, we identify distinct transcriptional profiles induced by miR-155-5p in muscle cells. The treated myotubes changed the expression of 359 genes (166 upregulated and 193 downregulated). We reanalyzed muscle transcriptomic data from dystrophin-deficient patients and detected overlap with gene expression patterns in miR-155-treated myotubes. Our analysis indicated that miR-155 regulates a set of transcripts, including Aldh1l, Nek2, Bub1b, Ramp3, Slc16a4, Plce1, Dync1i1, and Nr1h3. Enrichment analysis demonstrates 20 targets involved in metabolism, cell cycle regulation, muscle cell maintenance, and the immune system. Moreover, digital cytometry confirmed a significant increase in M2 macrophages, indicating miR-155's effects on immune response in dystrophic muscles. We highlight a critical miR-155 associated with disease-related pathways in skeletal muscle disorders.
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Affiliation(s)
- Letícia Oliveira Lopes
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (O.C.-M.); (M.H.H.)
| | - Sarah Santiloni Cury
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
| | - Diogo de Moraes
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
| | - Jakeline Santos Oliveira
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
| | - Grasieli de Oliveira
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
| | - Otavio Cabral-Marques
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (O.C.-M.); (M.H.H.)
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil
- Network of Immunity in Infection, Malignancy, and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), São Paulo 05508-000, Brazil
- Department of Medicine, Division of Molecular Medicine, University of São Paulo School of Medicine, São Paulo 05403-010, Brazil
- Laboratory of Medical Investigation 29, University of São Paulo School of Medicine, São Paulo 05403-010, Brazil
- Interunit Postgraduate Program on Bioinformatics, Institute of Mathematics and Statistics (IME), University of São Paulo, São Paulo 05508-090, Brazil
| | - Geysson Javier Fernandez
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
- College of Medicine, University of Antioquia, UdeA, Medellín 53-108, Colombia
| | - Mario Hiroyuki Hirata
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (O.C.-M.); (M.H.H.)
| | - Da-Zhi Wang
- Health Heart Institute, Center for Regenerative Medicine, University of South Florida, Tampa, FL 33612, USA;
| | - Maeli Dal-Pai-Silva
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
| | - Robson Francisco Carvalho
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
| | - Paula Paccielli Freire
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-689, Brazil; (L.O.L.); (S.S.C.); (D.d.M.); (J.S.O.); (G.d.O.); (G.J.F.); (M.D.-P.-S.)
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508-000, Brazil; (O.C.-M.); (M.H.H.)
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508-000, Brazil
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11
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Wang Y, Wang J, Tao SY, Liang Z, Xie R, Liu NN, Deng R, Zhang Y, Deng D, Jiang G. Mitochondrial damage-associated molecular patterns: A new insight into metabolic inflammation in type 2 diabetes mellitus. Diabetes Metab Res Rev 2024; 40:e3733. [PMID: 37823338 DOI: 10.1002/dmrr.3733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/18/2023] [Accepted: 09/08/2023] [Indexed: 10/13/2023]
Abstract
The pathogenesis of diabetes is accompanied by increased levels of inflammatory factors, also known as "metabolic inflammation", which runs through the whole process of the occurrence and development of the disease. Mitochondria, as the key site of glucose and lipid metabolism, is often accompanied by mitochondrial function damage in type 2 diabetes mellitus (T2DM). Damaged mitochondria release pro-inflammatory factors through damage-related molecular patterns that activate inflammation pathways and reactions to oxidative stress, further aggravate metabolic disorders, and form a vicious circle. Currently, the pathogenesis of diabetes is still unclear, and clinical treatment focuses primarily on symptomatic intervention of the internal environment of disorders of glucose and lipid metabolism with limited clinical efficacy. The proinflammatory effect of mitochondrial damage-associated molecular pattern (mtDAMP) in T2DM provides a new research direction for exploring the pathogenesis and intervention targets of T2DM. Therefore, this review covers the most recent findings on the molecular mechanism and related signalling cascades of inflammation caused by mtDAMP in T2DM and discusses its pathogenic role of it in the pathological process of T2DM to search potential intervention targets.
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Affiliation(s)
- Yan Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Jingwu Wang
- Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Si-Yu Tao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | | | - Rong Xie
- Xinjiang Medical University, Urumqi, China
| | - Nan-Nan Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ruxue Deng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yuelin Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Deqiang Deng
- Department of Endocrinology, Urumqi Hospital of Traditional Chinese Medicine, Urumqi, China
| | - Guangjian Jiang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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12
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Lilong Z, Kuang T, Li M, Li X, Hu P, Deng W, Wang W. Sarcopenia affects the clinical efficacy of immune checkpoint inhibitors in patients with gastrointestinal cancers. Clin Nutr 2024; 43:31-41. [PMID: 38000193 DOI: 10.1016/j.clnu.2023.11.009] [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: 03/19/2023] [Revised: 11/09/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023]
Abstract
OBJECTIVE The impact of sarcopenia on the efficacy of immune checkpoint inhibitors (ICI) in gastrointestinal cancer (GIC) patients remains uncertain in clinical practice. Hence, this study aims to investigate the potential correlation between sarcopenia and the clinical outcomes of GIC patients treated with ICIs. METHODS To gather pertinent studies, a systematic literature search was implemented across multiple databases, including PubMed, Embase, the Cochrane Library, and Google Scholar. The primary outcomes of interest were overall survival (OS) and progression-free survival (PFS), measured with the hazard ratio (HR). And the secondary outcomes, including disease control rate (DCR), overall response rate (ORR), and adverse events (AE), were evaluated with the odd ratio (OR). RESULTS A total of 13 articles involving 1294 patients were collected for this analysis. The pooled results revealed that GIC patients with sarcopenia had significantly poorer OS (HR = 1.697, 95% CI = 1.367-2.106, p < 0.001) and PFS (HR: 1.551, 95% CI: 1.312-1.833, p < 0.001), and lower ORR (OR = 0.594, 95% CI = 0.388-0.909, p = 0.016) and DCR (OR: 0.553, 95% CI: 0.360-0.850, p = 0.007) compared to those without sarcopenia. However, sarcopenia did not increase the incidence of treatment-related adverse events compared with non-sarcopenia (OR = 1.377, 95% CI = 0.693-2.737, p = 0.361). According to subgroup analysis, the association between sarcopenia and the therapeutic effect of ICI on patients with primary liver cancer or gastric cancer was consistent with the above findings. CONCLUSION Sarcopenia is significantly correlated with poorer treatment response and worse long-term efficacy in GIC patients treated with ICIs. Moreover, sarcopenia does not increase the incidence of adverse events.
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Affiliation(s)
- Zhang Lilong
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, China; Hubei Key Laboratory of Digestive System Disease, Wuhan, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Tianrui Kuang
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, China; Hubei Key Laboratory of Digestive System Disease, Wuhan, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Man Li
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, China; Hubei Key Laboratory of Digestive System Disease, Wuhan, China
| | - Xinyi Li
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, China; Hubei Key Laboratory of Digestive System Disease, Wuhan, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Peng Hu
- Department of Emergency, Renmin Hospital of Wuhan University, Wuhan, China; Hubei Key Laboratory of Digestive System Disease, Wuhan, China
| | - Wenhong Deng
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, China; Hubei Key Laboratory of Digestive System Disease, Wuhan, China.
| | - Weixing Wang
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, China; Hubei Key Laboratory of Digestive System Disease, Wuhan, China.
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Varshney A, Manickam N, Orchard P, Tovar A, Zhang Z, Feng F, Erdos MR, Narisu N, Ventresca C, Nishino K, Rai V, Stringham HM, Jackson AU, Tamsen T, Gao C, Yang M, Koues OI, Welch JD, Burant CF, Williams LK, Jenkinson C, DeFronzo RA, Norton L, Saramies J, Lakka TA, Laakso M, Tuomilehto J, Mohlke KL, Kitzman JO, Koistinen HA, Liu J, Boehnke M, Collins FS, Scott LJ, Parker SCJ. Population-scale skeletal muscle single-nucleus multi-omic profiling reveals extensive context specific genetic regulation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.15.571696. [PMID: 38168419 PMCID: PMC10760134 DOI: 10.1101/2023.12.15.571696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Skeletal muscle, the largest human organ by weight, is relevant to several polygenic metabolic traits and diseases including type 2 diabetes (T2D). Identifying genetic mechanisms underlying these traits requires pinpointing the relevant cell types, regulatory elements, target genes, and causal variants. Here, we used genetic multiplexing to generate population-scale single nucleus (sn) chromatin accessibility (snATAC-seq) and transcriptome (snRNA-seq) maps across 287 frozen human skeletal muscle biopsies representing 456,880 nuclei. We identified 13 cell types that collectively represented 983,155 ATAC summits. We integrated genetic variation to discover 6,866 expression quantitative trait loci (eQTL) and 100,928 chromatin accessibility QTL (caQTL) (5% FDR) across the five most abundant cell types, cataloging caQTL peaks that atlas-level snATAC maps often miss. We identified 1,973 eGenes colocalized with caQTL and used mediation analyses to construct causal directional maps for chromatin accessibility and gene expression. 3,378 genome-wide association study (GWAS) signals across 43 relevant traits colocalized with sn-e/caQTL, 52% in a cell-specific manner. 77% of GWAS signals colocalized with caQTL and not eQTL, highlighting the critical importance of population-scale chromatin profiling for GWAS functional studies. GWAS-caQTL colocalization showed distinct cell-specific regulatory paradigms. For example, a C2CD4A/B T2D GWAS signal colocalized with caQTL in muscle fibers and multiple chromatin loop models nominated VPS13C, a glucose uptake gene. Sequence of the caQTL peak overlapping caSNP rs7163757 showed allelic regulatory activity differences in a human myocyte cell line massively parallel reporter assay. These results illuminate the genetic regulatory architecture of human skeletal muscle at high-resolution epigenomic, transcriptomic, and cell state scales and serve as a template for population-scale multi-omic mapping in complex tissues and traits.
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Affiliation(s)
- Arushi Varshney
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Nandini Manickam
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Peter Orchard
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Adelaide Tovar
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Zhenhao Zhang
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Fan Feng
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Michael R Erdos
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Narisu Narisu
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Christa Ventresca
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
- Dept. of Human Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Kirsten Nishino
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Vivek Rai
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Heather M Stringham
- Department of Biostatistics, Center for Statistical Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Anne U Jackson
- Department of Biostatistics, Center for Statistical Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Tricia Tamsen
- Biomedical Research Core Facilities Advanced Genomics Core, University of Michigan, Ann Arbor, MI, USA
| | - Chao Gao
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Mao Yang
- Department of Internal Medicine, Center for Individualized and Genomic Medicine Research, Henry Ford Hospital, Detroit, MI, USA
| | - Olivia I Koues
- Biomedical Research Core Facilities Advanced Genomics Core, University of Michigan, Ann Arbor, MI, USA
| | - Joshua D Welch
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Charles F Burant
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - L Keoki Williams
- Department of Internal Medicine, Center for Individualized and Genomic Medicine Research, Henry Ford Hospital, Detroit, MI, USA
| | - Chris Jenkinson
- South Texas Diabetes and Obesity Research Institute, School of Medicine, University of Texas, Rio Grande Valley, TX, USA
| | - Ralph A DeFronzo
- Department of Medicine/Diabetes Division, University of Texas Health, San Antonio, TX, USA
| | - Luke Norton
- Department of Medicine/Diabetes Division, University of Texas Health, San Antonio, TX, USA
| | - Jouko Saramies
- Savitaipale Health Center, South Karelia Central Hospital, Lappeenranta, Finland
| | - Timo A Lakka
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Markku Laakso
- Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Jaakko Tuomilehto
- Dept. of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
- Dept. of Public Health, University of Helsinki, Helsinki, Finland
- Diabetes Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Karen L Mohlke
- Dept. of Genetics, University of North Carolina, Chapel Hill, NC, USA
| | - Jacob O Kitzman
- Dept. of Human Genetics, University of Michigan, Ann Arbor, MI, USA
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Heikki A Koistinen
- Dept. of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
- Department of Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Minerva Foundation Institute for Medical Research, Helsinki, Finland
| | - Jie Liu
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
| | - Michael Boehnke
- Department of Biostatistics, Center for Statistical Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Francis S Collins
- Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Laura J Scott
- Department of Biostatistics, Center for Statistical Genetics, University of Michigan, Ann Arbor, MI, USA
| | - Stephen C J Parker
- Dept. of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, USA
- Dept. of Human Genetics, University of Michigan, Ann Arbor, MI, USA
- Department of Biostatistics, Center for Statistical Genetics, University of Michigan, Ann Arbor, MI, USA
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14
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Rong Z, Yang Z, Zhang C, Pu R, Chen C, Xu J, Luo F. Bioinformatics analysis of paravertebral muscles atrophy in adult degenerative scoliosis. J Muscle Res Cell Motil 2023; 44:287-297. [PMID: 37209232 PMCID: PMC10665243 DOI: 10.1007/s10974-023-09650-8] [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: 01/13/2023] [Accepted: 04/26/2023] [Indexed: 05/22/2023]
Abstract
Paravertebral muscles (PVM) act as one of the major dynamic factors to maintain human upright activities and play a remarkable role in maintaining the balance of the trunk. Adult degenerative scoliosis (ADS) has become one of the important causes of disability in the elderly population owing to the changes in spinal biomechanics, atrophy and degeneration of PVM, and imbalance of the spine. Previously, many studies focused on the physical evaluation of PVM degeneration. However, the molecular biological changes are still not completely known. In this study, we established a rat model of scoliosis and performed the proteomic analysis of the PVM of ADS. The results showed that the degree of atrophy, muscle fat deposition, and fibrosis of the PVM of rats positively correlated with the angle of scoliosis. The proteomic results showed that 177 differentially expressed proteins were present in the ADS group, which included 105 upregulated proteins and 72 downregulated proteins compared with the PVM in individuals without spinal deformities. Through the construction of a protein-protein interaction network, 18 core differentially expressed proteins were obtained, which included fibrinogen beta chain, apolipoprotein E, fibrinogen gamma chain, thrombospondin-1, integrin alpha-6, fibronectin-1, platelet factor 4, coagulation factor XIII A chain, ras-related protein Rap-1b, platelet endothelial cell adhesion molecule 1, complement C1q subcomponent subunit A, cathepsin G, myeloperoxidase, von Willebrand factor, integrin beta-1, integrin alpha-1, leukocyte surface antigen CD47, and complement C1q subcomponent subunit B. Further analysis of the Kyoto Encyclopedia of Genes and Genomes pathway (KEGG) and immunofluorescence showed that the neutrophil extracellular traps (NETs) formation signaling pathway plays a major role in the pathogenesis of PVM degeneration in ADS. The results of the present study preliminarily laid the molecular biological foundation of PVM atrophy in ADS, which will provide a new therapeutic target for alleviating PVM atrophy and decreasing the occurrence of scoliosis.
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Affiliation(s)
- Zhigang Rong
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), No. 29, Gaotanyan Street, Shapingba District, Chongqing, 400038, People's Republic of China
| | - Zhong Yang
- Department of Pharmacy and Laboratory Medicine, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Chengmin Zhang
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), No. 29, Gaotanyan Street, Shapingba District, Chongqing, 400038, People's Republic of China
| | - Rongxi Pu
- Department of Pharmacy and Laboratory Medicine, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Can Chen
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), No. 29, Gaotanyan Street, Shapingba District, Chongqing, 400038, People's Republic of China
| | - Jianzhong Xu
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), No. 29, Gaotanyan Street, Shapingba District, Chongqing, 400038, People's Republic of China.
| | - Fei Luo
- Department of Orthopaedics, Southwest Hospital, Third Military Medical University (Army Medical University), No. 29, Gaotanyan Street, Shapingba District, Chongqing, 400038, People's Republic of China.
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15
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Duran T, Karaselek MA, Kuccukturk S. Molecular investigation of the effect of weightlifting training on helper T cell subsets in female weightlifting athletes: an immune profiling panel. J Sports Med Phys Fitness 2023; 63:1227-1234. [PMID: 37712925 DOI: 10.23736/s0022-4707.23.15001-8] [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: 09/16/2023]
Abstract
BACKGROUND In this study, it was aimed to molecularly investigate the changes in the helper T (Th) cell subgroups of intense weightlifting training. For this purpose, transcription factor and cytokine expressions of Th1, Th2, Th17, and regulator T cell (Treg) cells were evaluated. METHODS Eight elite weightlifting athletes were included in the study. Within the scope of the study, transcription factor and cytokine expressions of Th cell subgroups were evaluated by real-time polymerase chain reaction (qPCR) method before training, after intense training with 90-100% capacity, and after 120 minutes of rest from training. RESULTS As a result of the study, when the pre-training and post-training expressions were compared, an increase in Th1 and Th2 cell factors and a decrease in Th17 and Treg cell-related expressions were detected. These changes were statistically significant (P<0.05). The changes in expressions after training and after 120 minutes of rest were not statistically significant (P>0.05). CONCLUSIONS Changes have been detected in Th cell subgroups due to intense weightlifting training, and these changes are the first study conducted with female weightlifters.
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Affiliation(s)
- Tuğçe Duran
- Department of Medical Genetic, Faculty of Medicine, KTO Karatay University, Konya, Türkiye
| | - Mehmet A Karaselek
- Meram School of Medicine, Department of Internal Medicine, Necmettin Erbakan University, Konya, Türkiye -
| | - Serkan Kuccukturk
- Department of Medical Biology, Faculty of Medicine, Karamanoğlu Mehmetbey University, Karaman, Türkiye
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16
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Miyoshi M, Usami M, Nishiyama Y, Kai M, Suzuki A, Maeshige N, Yamaguchi A, Ma X, Shinohara M. Soleus muscle contains a higher concentration of lipid metabolites than extensor digitorum longus in rats with lipopolysaccharide-induced acute muscle atrophy. Clin Nutr ESPEN 2023; 57:48-57. [PMID: 37739695 DOI: 10.1016/j.clnesp.2023.06.011] [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: 11/30/2022] [Revised: 06/08/2023] [Accepted: 06/15/2023] [Indexed: 09/24/2023]
Abstract
BACKGROUND & AIMS Muscle atrophy is one of the most important and frequent problems for critically ill patients. The purpose of this study was to evaluate the effect of lipid mediators on acute muscle atrophy. Skeletal muscle fiber-specific analysis of lipid mediators in endotoxemic rats was therefore performed. METHODS Male Wistar rats were intraperitoneally injected with lipopolysaccharide (LPS). Slow-twitch soleus muscle and fast-twitch extensor digitorum longus (EDL) muscle were harvested 0, 6, and 24 h after LPS injection. Lipid mediators were profiled using liquid chromatography-tandem mass spectrometry, and free fatty acid (FFA) concentrations were measured using gas chromatography-mass spectrometry. Muscles were weighed and their cross-sectional areas were evaluated. Expression levels of mRNAs encoding inflammatory cytokines, autophagy-related transcription factors, and members of the ubiquitin-proteasome system were measured using real-time PCR. RESULTS Before LPS injection, the concentrations of all FFAs, including arachidonic acid, eicosapentaenoic acid, and docosahexaenoic acid, and all measured lipid mediators were higher in soleus muscle than in EDL muscle, especially those of pro-inflammatory prostaglandin E2 (PGE2) and leukotriene B4. LPS injection, increased PGE2 and D2 and decreased FFAs in soleus muscle but did not change in EDL muscle. The concentrations of specialized pro-resolving mediators E-series hydroxy-eicosapentaenoic acid and D-series hydroxy-docosahexaenoic acid were higher in soleus muscle. Muscle cross-sectional area decreased and the expression level of atrogin-1 was upregulated in EDL muscle, but both were unchanged in soleus muscle. After LPS injection, a discrepancy involving an increased PGE2 concentration and decreased muscle atrophy was identified in this acute muscle atrophy model of critical illness. CONCLUSION Concentrations of FFAs and lipid mediators were higher in soleus muscle than in EDL muscle, and LPS injection rapidly increased concentrations of pro-inflammatory lipid mediators. However, muscle atrophy with upregulation of autophagy-related transcription factors was observed in EDL muscle but not in soleus muscle.
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Affiliation(s)
- Makoto Miyoshi
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan.
| | - Makoto Usami
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan; Faculty of Clinical Nutrition and Dietetics, Konan Women's University, Kobe, Japan
| | - Yuya Nishiyama
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Motoki Kai
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Ayumi Suzuki
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Noriaki Maeshige
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Atomu Yamaguchi
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Xiaoqi Ma
- Division of Nutrition and Metabolism, Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Masakazu Shinohara
- The Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, Kobe, Japan; Division of Epidemiology, Kobe University Graduate School of Medicine, Kobe, Japan
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17
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Gandolfi S, Pileyre B, Drouot L, Dubus I, Auquit-Auckbur I, Martinet J. Stromal vascular fraction in the treatment of myositis. Cell Death Discov 2023; 9:346. [PMID: 37726262 PMCID: PMC10509179 DOI: 10.1038/s41420-023-01605-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 08/01/2023] [Accepted: 08/14/2023] [Indexed: 09/21/2023] Open
Abstract
Muscle regeneration is a physiological process that converts satellite cells into mature myotubes under the influence of an inflammatory environment progressively replaced by an anti-inflammatory environment, with precise crosstalk between immune and muscular cells. If the succession of these phases is disturbed, the immune system can sometimes become auto-reactive, leading to chronic muscular inflammatory diseases, such as myositis. The triggers of these autoimmune myopathies remain mostly unknown, but the main mechanisms of pathogenesis are partially understood. They involve chronic inflammation, which could be associated with an auto-reactive immune response, and gradually with a decrease in the regenerative capacities of the muscle, leading to its degeneration, fibrosis and vascular architecture deterioration. Immunosuppressive treatments can block the first part of the process, but sometimes muscle remains weakened, or even still deteriorates, due to the exhaustion of its capacities. For patients refractory to immunosuppressive therapies, mesenchymal stem cells have shown interesting effects but their use is limited by their availability. Stromal vascular fraction, which can easily be extracted from adipose tissue, has shown good tolerance and possible therapeutic benefits in several degenerative and autoimmune diseases. However, despite the increasing use of stromal vascular fraction, the therapeutically active components within this heterogeneous cellular product are ill-defined and the mechanisms by which this therapy might be active remain insufficiently understood. We review herein the current knowledge on the mechanisms of action of stromal vascular fraction and hypothesise on how it could potentially respond to some of the unmet treatment needs of refractory myositis.
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Affiliation(s)
- S Gandolfi
- Univ Rouen Normandie, INSERM U1234, FOCIS Center of Excellence PAn'THER, F-76000, Rouen, France
- Toulouse University Hospital, Department of Plastic and Reconstructive Surgery, F-31000, Toulouse, France
| | - B Pileyre
- Univ Rouen Normandie, INSERM U1234, FOCIS Center of Excellence PAn'THER, F-76000, Rouen, France.
- Centre Henri Becquerel, Department of Pharmacy, F-76000, Rouen, France.
| | - L Drouot
- Univ Rouen Normandie, INSERM U1234, FOCIS Center of Excellence PAn'THER, F-76000, Rouen, France
| | - I Dubus
- Univ Rouen Normandie, INSERM U1234, FOCIS Center of Excellence PAn'THER, F-76000, Rouen, France
| | - I Auquit-Auckbur
- Univ Rouen Normandie, INSERM U1234, FOCIS Center of Excellence PAn'THER, CHU Rouen, Department of Plastic, Reconstructive and Hand Surgery, F-76000, Rouen, France
| | - J Martinet
- Univ Rouen Normandie, INSERM U1234, FOCIS Center of Excellence PAn'THER, CHU Rouen, Department of Immunology and Biotherapy, F-76000, Rouen, France
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18
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Chen X, Hao D, Becker N, Müller A, Pishnamaz M, Bollheimer LC, Hildebrand F, Nourbakhsh M. Unsaturated Long-Chain Fatty Acids Activate Resident Macrophages and Stem Cells in a Human Skeletal Muscle Tissue Model. BIOLOGY 2023; 12:1111. [PMID: 37626996 PMCID: PMC10452335 DOI: 10.3390/biology12081111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/28/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023]
Abstract
Phenotypically heterogeneous populations of tissue-resident macrophages and stem cells play important roles in the regeneration of the skeletal muscle tissue. Previous studies using animal and cell culture models implied a beneficial effect of fatty acid (FA) species on tissue regeneration. Here, we applied a human experimental model using excised muscle tissues from reconstructive surgeries to study the effects of FAs on resident macrophages and stem cells in the natural environment of human skeletal muscle tissue. Muscle tissue samples from 20 donors were included in this study. The expression of 34 cytokines/chemokines was determined, using multiplex protein analysis. The phenotypes of macrophages and stem cells were determined immunohistochemically. The numbers of CD80+ macrophages correlated with the expression levels of IL-1α, IL-1RA, IL-8, IL-17A, and MCP-1, while the PAX7+ and MyoD+ stem cell counts were positively correlated with the expression level of CXCL12α, a recognized chemoattractant for muscle stem cells. Treatment of additional tissue sections with FAs revealed that CD80+ or MARCO+ macrophages- and PAX7+ or MyoD+ stem cells were simultaneously increased by unsaturated long-chain FAs. Taken together, this is the first experimental demonstration of a coordinated activation of macrophages and stem cells in human skeletal muscle tissue.
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Affiliation(s)
- Xiaoying Chen
- Clinic for Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany; (X.C.); (D.H.); (A.M.); (L.C.B.)
| | - Dandan Hao
- Clinic for Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany; (X.C.); (D.H.); (A.M.); (L.C.B.)
| | - Nils Becker
- Clinic for Orthopedics, Trauma, and Reconstructive Surgery, RWTH Aachen University Hospital, 52074 Aachen, Germany; (N.B.); (M.P.); (F.H.)
| | - Aline Müller
- Clinic for Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany; (X.C.); (D.H.); (A.M.); (L.C.B.)
| | - Miguel Pishnamaz
- Clinic for Orthopedics, Trauma, and Reconstructive Surgery, RWTH Aachen University Hospital, 52074 Aachen, Germany; (N.B.); (M.P.); (F.H.)
| | - Leo Cornelius Bollheimer
- Clinic for Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany; (X.C.); (D.H.); (A.M.); (L.C.B.)
| | - Frank Hildebrand
- Clinic for Orthopedics, Trauma, and Reconstructive Surgery, RWTH Aachen University Hospital, 52074 Aachen, Germany; (N.B.); (M.P.); (F.H.)
| | - Mahtab Nourbakhsh
- Clinic for Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany; (X.C.); (D.H.); (A.M.); (L.C.B.)
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19
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Shi X, Wang Y, Liu H, Han R. Targeting Hub Genes Involved in Muscle Injury Induced by Jumping Load Based on Transcriptomics. DNA Cell Biol 2023; 42:498-506. [PMID: 37339448 DOI: 10.1089/dna.2022.0285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023] Open
Abstract
The purpose of this study was to find hub genes that may play key roles in skeletal muscle injury induced by jumping load. Twelve female Sprague Dawley rats were divided into the normal control (NC) group and the jumping-induced muscle injury (JI) group. After 6 weeks of jumping, transmission electron microscopy, hematoxylin-eosin staining, transcriptomics sequencing and genes analysis, interaction network prediction of multiple proteins, real-time PCR detection, and Western blotting were performed on gastrocnemius muscles from NC and JI groups. As compared with NC rats, excessive jumping can result in notable structural damage and inflammatory infiltration in JI rats. A total of 112 differentially expressed genes were confirmed in NC rats versus JI rats, with 59 genes upregulated and 53 genes downregulated. Using the online String database, four hub genes in the transcriptional regulatory network were targeted, including FOS, EGR1, ATF3, and NR4A3. All expression levels of FOS, EGR1, ATF3, and NR4A3 mRNAs were decreased in JI rats compared with NC rats (p < 0.05 or p < 0.01). All expression levels of c-Fos, EGR1, ATF3, and NOR1 proteins were upregulated in JI rats (p < 0.01, p < 0.05, p > 0.05, and p < 0.01, respectively). Collectively, these findings indicate that FOS, EGR1, ATF3, and NR4A3 genes may be functionally important in jumping-induced muscle injury.
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Affiliation(s)
- Xiaolan Shi
- Wushu College, Henan University, Kaifeng, China
| | - Yijie Wang
- School of Physical Education and Sport, Henan University, Kaifeng, China
| | - Haitao Liu
- School of Physical Education and Sport, Henan University, Kaifeng, China
- Sports Reform and Development Research Center, Henan University, Kaifeng, China
| | - Rui Han
- School of Physical Education and Sport, Henan University, Kaifeng, China
- Sports Reform and Development Research Center, Henan University, Kaifeng, China
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20
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King MA, Grosche A, Ward SM, Ward JA, Sasidharan A, Mayer TA, Plamper ML, Xu X, Ward MD, Clanton TL, Vidyasagar S. Amino acid solution mitigates hypothermia response and intestinal damage following exertional heat stroke in male mice. Physiol Rep 2023; 11:e15681. [PMID: 37217446 PMCID: PMC10202825 DOI: 10.14814/phy2.15681] [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: 03/29/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 05/24/2023] Open
Abstract
Increased gut permeability is implicated in the initiation and extent of the cytokine inflammatory response associated with exertional heat stroke (EHS). The primary objective of this study was to determine if a five amino acid oral rehydration solution (5AAS), specifically designed for the protection of the gastrointestinal lining, would prolong time to EHS, maintain gut function and dampen the systemic inflammatory response (SIR) measured during EHS recovery. Male C57/BL6J mice instrumented with radiotelemetry were gavaged with 150 μL of 5AAS or H2 O, and ≈12 h later were either exposed to an EHS protocol where mice exercised in a 37.5°C environmental chamber to a self-limiting maximum core temperature (Tc,max) or performed the exercise control (EXC) protocol (25°C). 5AAS pretreatment attenuated hypothermia depth and length (p < 0.005), which are indicators of EHS severity during recovery, without any effect on physical performance or thermoregulatory responses in the heat as determined by percent body weight lost (≈9%), max speed (≈6 m/min), distance (≈700 m), time to Tc,max (≈160 min), thermal area (≈550°C∙min), and Tc,max (42.2°C). EHS groups treated with 5AAS showed a significant decrease in gut transepithelial conductance, decreased paracellular permeability, increased villus height, increased electrolyte absorption and changes in tight junction protein expression pattern suggestive of improved barrier integrity (p < 0.05). No differences were witnessed between EHS groups in acute phase response markers of liver, circulating SIR markers, or indicators of organ damage during recovery. These results suggest that a 5AAS improves Tc regulation during EHS recovery through maintaining mucosal function and integrity.
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Affiliation(s)
- Michelle A. King
- Thermal and Mountain Medicine DivisionUnited States Army Research Institute of Environmental MedicineNatickMassachusettsUSA
| | - Astrid Grosche
- Radiation OncologyUniversity of Florida College of MedicineGainesvilleFloridaUSA
| | - Shauna M. Ward
- Thermal and Mountain Medicine DivisionUnited States Army Research Institute of Environmental MedicineNatickMassachusettsUSA
| | - Jermaine A. Ward
- Thermal and Mountain Medicine DivisionUnited States Army Research Institute of Environmental MedicineNatickMassachusettsUSA
| | - Anusree Sasidharan
- Radiation OncologyUniversity of Florida College of MedicineGainesvilleFloridaUSA
| | - Thomas A. Mayer
- Thermal and Mountain Medicine DivisionUnited States Army Research Institute of Environmental MedicineNatickMassachusettsUSA
| | - Mark L. Plamper
- Thermal and Mountain Medicine DivisionUnited States Army Research Institute of Environmental MedicineNatickMassachusettsUSA
| | - Xiaodong Xu
- Radiation OncologyUniversity of Florida College of MedicineGainesvilleFloridaUSA
| | - Matthew D. Ward
- Thermal and Mountain Medicine DivisionUnited States Army Research Institute of Environmental MedicineNatickMassachusettsUSA
| | - Thomas L. Clanton
- Health and Human PerformanceUniversity of FloridaGainesvilleFloridaUSA
| | - Sadasivan Vidyasagar
- Radiation OncologyUniversity of Florida College of MedicineGainesvilleFloridaUSA
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21
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Sumransub N, Cao Q, Juckett M, Betts B, Holtan S, Jurdi NE, Hu M, Allred J, Assi R, Maakaron JE. Sarcopenia Predicts Inferior Progression-Free Survival in Lymphoma Patients Treated with Autologous Hematopoietic Stem Cell Transplantation. Transplant Cell Ther 2023; 29:263.e1-263.e7. [PMID: 36682471 DOI: 10.1016/j.jtct.2023.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 01/12/2023] [Accepted: 01/15/2023] [Indexed: 01/21/2023]
Abstract
Autologous hematopoietic stem cell transplantation (ASCT) improves survival for patients with chemotherapy-sensitive lymphoma. Validated scoring systems are used in the clinical setting to predict treatment toxicity and survival; however, complications related to disease and treatment still occur, highlighting challenges in optimal patient selection and the need for novel predictors. Analysis of body composition and muscle mass can provide an objective assessment to identify vulnerable populations, as sarcopenia and frailty have been reported to predict outcomes in other tumor types. In this retrospective cohort study of patients undergoing ASCT for lymphoma, we investigated associations of sarcopenia with clinically significant outcomes, including overall survival (OS) and progression-free survival (PFS). Computed tomography (CT) images of 78 patients obtained routinely pretransplantation were used to assess skeletal muscle mass and are reported as skeletal muscle index (SMI). OS, PFS, and clinical outcomes of interest were compared between groups. Twenty-seven patients (34.6%) in the cohort met the criteria for sarcopenia. Patients with sarcopenia had a significantly shorter 3-year PFS (59% [95% confidence interval (CI), 38% to 75%] versus 84% [95% CI, 71% to 92%]; P = .02) after 3 years of follow up, whereas there was no difference in OS between patients with and those without sarcopenia (78% [95% CI, 57% to 89%] versus 88% [95% CI, 76% to 95%]; P = .25). Interestingly, no difference in survival was found with stratification based on the Karnofsky Performance Scale or Hematopoietic Cell Transplantation-Specific Comorbidity Index. There also were no significant between-group differences in length of hospital stay and the incidences of other clinical outcomes of interest, including febrile neutropenia, mucositis, total parenteral nutrition requirement, acute kidney injury, rate of readmission, or intensive care unit admission. This is the first study to our knowledge to correlate sarcopenia with disease control and PFS after ASCT in lymphoma. Possible explanations include a higher rate of chemotherapy-related toxicity, leading to disruptions of treatment as well as dysfunction of antitumor immunity secondary to impaired regulations from myokines from the loss of muscle mass or an unknown cause that is yet to be elucidated. Physical therapy programs and personalized regimens for treatment based on the analysis of body composition indices can be further studied and implemented to mitigate treatment-related toxicity and to optimize survival in patients with sarcopenia.
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Affiliation(s)
| | - Qing Cao
- Biostatistics and Informatics, Clinical and Translational Science Institute, University of Minnesota, Minneapolis, Minnesota
| | - Mark Juckett
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Brian Betts
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Shernan Holtan
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Najla El Jurdi
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Marie Hu
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Jeremy Allred
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Rita Assi
- Division of Hematology and Oncology, Department of Medicine, Stony Brook University Hospital, Stony Brook, New York
| | - Joseph E Maakaron
- Division of Hematology, Oncology, and Transplantation, Department of Medicine, University of Minnesota, Minneapolis, Minnesota.
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22
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Abdelmoez AM, Dmytriyeva O, Zurke YX, Trauelsen M, Marica AA, Savikj M, Smith JAB, Monaco C, Schwartz TW, Krook A, Pillon NJ. Cell selectivity in succinate receptor SUCNR1/GPR91 signaling in skeletal muscle. Am J Physiol Endocrinol Metab 2023; 324:E289-E298. [PMID: 36812387 DOI: 10.1152/ajpendo.00009.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Succinate is released by skeletal muscle during exercise and activates SUCNR1/GPR91. Signaling of SUCNR1 is involved in metabolite-sensing paracrine communication in skeletal muscle during exercise. However, the specific cell types responding to succinate and the directionality of communication are unclear. We aim to characterize the expression of SUCNR1 in human skeletal muscle. De novo analysis of transcriptomic datasets demonstrated that SUCNR1 mRNA is expressed in immune, adipose, and liver tissues, but scarce in skeletal muscle. In human tissues, SUCNR1 mRNA was associated with macrophage markers. Single-cell RNA sequencing and fluorescent RNAscope demonstrated that in human skeletal muscle, SUCNR1 mRNA is not expressed in muscle fibers but coincided with macrophage populations. Human M2-polarized macrophages exhibit high levels of SUCNR1 mRNA and stimulation with selective agonists of SUCNR1 triggered Gq- and Gi-coupled signaling. Primary human skeletal muscle cells were unresponsive to SUCNR1 agonists. In conclusion, SUCNR1 is not expressed in muscle cells and its role in the adaptive response of skeletal muscle to exercise is most likely mediated via paracrine mechanisms involving M2-like macrophages within the muscle.NEW & NOTEWORTHY Macrophages but not skeletal muscle cells respond to extracellular succinate via SUCNR1/GPR91.
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Affiliation(s)
- Ahmed M Abdelmoez
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Oksana Dmytriyeva
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Yasemin-Xiomara Zurke
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Mette Trauelsen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Alesandra A Marica
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Mladen Savikj
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Jonathon A B Smith
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Claudia Monaco
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Thue W Schwartz
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Anna Krook
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Nicolas J Pillon
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
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23
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Progressive development of melanoma-induced cachexia differentially impacts organ systems in mice. Cell Rep 2023; 42:111934. [PMID: 36640353 PMCID: PMC9983329 DOI: 10.1016/j.celrep.2022.111934] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/12/2022] [Accepted: 12/15/2022] [Indexed: 12/30/2022] Open
Abstract
Cachexia is a systemic wasting syndrome that increases cancer-associated mortality. How cachexia progressively and differentially impacts distinct tissues is largely unknown. Here, we find that the heart and skeletal muscle undergo wasting at early stages and are the tissues transcriptionally most impacted by cachexia. We also identify general and organ-specific transcriptional changes that indicate functional derangement by cachexia even in tissues that do not undergo wasting, such as the brain. Secreted factors constitute a top category of cancer-regulated genes in host tissues, and these changes include upregulation of the angiotensin-converting enzyme (ACE). ACE inhibition with the drug lisinopril improves muscle force and partially impedes cachexia-induced transcriptional changes, although wasting is not prevented, suggesting that cancer-induced host-secreted factors can regulate tissue function during cachexia. Altogether, by defining prevalent and temporal and tissue-specific responses to cachexia, this resource highlights biomarkers and possible targets for general and tissue-tailored anti-cachexia therapies.
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24
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Della Guardia L, Codella R. Exercise Restores Hypothalamic Health in Obesity by Reshaping the Inflammatory Network. Antioxidants (Basel) 2023; 12:antiox12020297. [PMID: 36829858 PMCID: PMC9951965 DOI: 10.3390/antiox12020297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
Obesity and overnutrition induce inflammation, leptin-, and insulin resistance in the hypothalamus. The mediobasal hypothalamus responds to exercise enabling critical adaptions at molecular and cellular level that positively impact local inflammation. This review discusses the positive effect of exercise on obesity-induced hypothalamic dysfunction, highlighting the mechanistic aspects related to the anti-inflammatory effects of exercise. In HFD-fed animals, both acute and chronic moderate-intensity exercise mitigate microgliosis and lower inflammation in the arcuate nucleus (ARC). Notably, this associates with restored leptin sensitivity and lower food intake. Exercise-induced cytokines IL-6 and IL-10 mediate part of these positive effect on the ARC in obese animals. The reduction of obesity-associated pro-inflammatory mediators (e.g., FFAs, TNFα, resistin, and AGEs), and the improvement in the gut-brain axis represent alternative paths through which regular exercise can mitigate hypothalamic inflammation. These findings suggest that the regular practice of exercise can restore a proper functionality in the hypothalamus in obesity. Further analysis investigating the crosstalk muscle-hypothalamus would help toward a deeper comprehension of the subject.
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Affiliation(s)
- Lucio Della Guardia
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, 20133 Milan, Italy
| | - Roberto Codella
- Department of Biomedical Sciences for Health, Università degli Studi di Milano, 20133 Milan, Italy
- Department of Endocrinology, Nutrition and Metabolic Diseases, IRCCS MultiMedica, 20138 Milan, Italy
- Correspondence: ; Tel.: +39-02-50330356
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25
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Wang YY, Lin SY, Chang CY, Wu CC, Chen WY, Huang WC, Liao SL, Wang WY, Chen CJ. α7 nicotinic acetylcholine receptor agonist improved brain injury and impaired glucose metabolism in a rat model of ischemic stroke. Metab Brain Dis 2023; 38:1249-1259. [PMID: 36662413 DOI: 10.1007/s11011-023-01167-w] [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: 05/05/2022] [Accepted: 01/13/2023] [Indexed: 01/21/2023]
Abstract
Vagus nerve stimulation through the action of acetylcholine can modulate inflammatory responses and metabolism. α7 Nicotinic Acetylcholine Receptor (α7nAChR) is a key component in the biological functions of acetylcholine. To further explore the health benefits of vagus nerve stimulation, this study aimed to investigate whether α7nAChR agonists offer beneficial effects against poststroke inflammatory and metabolic changes and to identify the underlying mechanisms in a rat model of stroke established by permanent cerebral ischemia. We found evidence showing that pretreatment with α7nAChR agonist, GTS-21, improved poststroke brain infarction size, impaired motor coordination, brain apoptotic caspase 3 activation, dysregulated glucose metabolism, and glutathione reduction. In ischemic cortical tissues and gastrocnemius muscles with GTS-21 pretreatment, macrophages/microglia M1 polarization-associated Tumor Necrosis Factor-α (TNF-α) mRNA, Cluster of Differentiation 68 (CD68) protein, and Inducible Nitric Oxide Synthase (iNOS) protein expression were reduced, while expression of anti-inflammatory cytokine IL-4 mRNA, and levels of M2 polarization-associated CD163 mRNA and protein were increased. In the gastrocnemius muscles, stroke rats showed a reduction in both glutathione content and Akt Serine 473 phosphorylation, as well as an elevation in Insulin Receptor Substrate-1 Serine 307 phosphorylation and Dynamin-Related Protein 1 Serine 616 phosphorylation. GTS-21 reversed poststroke changes in the gastrocnemius muscles. Overall, our findings, provide further evidence supporting the neuroprotective benefits of α7nAChR agonists, and indicate that they may potentially exert anti-inflammatory and metabolic effects peripherally in the skeletal muscle in an acute ischemic stroke animal model.
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Affiliation(s)
- Ya-Yu Wang
- Department of Family Medicine, Taichung Veterans General Hospital, 407, Taichung City, Taiwan
| | - Shih-Yi Lin
- Center for Geriatrics and Gerontology, Taichung Veterans General Hospital, 407, Taichung City, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, 112, Taipei City, Taiwan
| | - Cheng-Yi Chang
- Department of Surgery, Feng Yuan Hospital, 420, Taichung City, Taiwan
- Department of Veterinary Medicine, National Chung Hsing University, 402, Taichung City, Taiwan
| | - Chih-Cheng Wu
- Department of Anesthesiology, Taichung Veterans General Hospital, 407, Taichung City, Taiwan
| | - Wen-Ying Chen
- Department of Veterinary Medicine, National Chung Hsing University, 402, Taichung City, Taiwan
| | - Wei-Chi Huang
- Department of Veterinary Medicine, National Chung Hsing University, 402, Taichung City, Taiwan
| | - Su-Lan Liao
- Department of Medical Research, Taichung Veterans General Hospital, No. 1650, Sec. 4, Taiwan Boulevard, 407, Taichung City, Taiwan
| | - Wen-Yi Wang
- Department of Nursing, Hung Kuang University, 433, Taichung City, Taiwan
| | - Chun-Jung Chen
- Department of Medical Research, Taichung Veterans General Hospital, No. 1650, Sec. 4, Taiwan Boulevard, 407, Taichung City, Taiwan.
- Department of Medical Laboratory Science and Biotechnology, China Medical University, 404, Taichung City, Taiwan.
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26
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Deng Y, Zhao L, Huang X, Zeng Y, Xiong Z, Zuo M. Contribution of skeletal muscle to cancer immunotherapy: A focus on muscle function, inflammation, and microbiota. Nutrition 2023; 105:111829. [PMID: 36265324 DOI: 10.1016/j.nut.2022.111829] [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: 02/25/2022] [Revised: 08/06/2022] [Accepted: 08/09/2022] [Indexed: 11/17/2022]
Abstract
Sarcopenia, characterized by degenerative and systemic loss of skeletal muscle mass and function, is a multifactorial syndrome commonly observed in individuals with cancer. Additionally, it represents a poor nutritional status and indicates possible presence of cancer cachexia. Recently, with the extensive application of cancer immunotherapy, the effects of sarcopenia/cachexia on cancer immunotherapy, have gained attention. The aim of this review was to summarize the influence of low muscle mass (sarcopenia/cachexia) on the response and immune-related adverse events to immunotherapy from the latest literature. It was revealed that low muscle mass (sarcopenia/cachexia) has detrimental effects on cancer immunotherapy in most cases, although there were results that were not consistent with this finding. This review also discussed potential causes of the paradox, such as different measure methods, research types, muscle indicators, time point, and cancer type. Mechanically, chronic inflammation, immune cells, and microbiota may be critically involved in regulating the efficacy of immunotherapy under the condition of low muscle mass (sarcopenia/cachexia). Thus, nutritional interventions will likely be promising ways for individuals with cancer to increase the efficacy of immunotherapy in the future, for low muscle mass (sarcopenia/cachexia) is an important prognostic factor for cancer immunotherapy.
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Affiliation(s)
- Yuanle Deng
- Department of Clinical Nutrition, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Sichuan, China
| | - Ling Zhao
- Department of Clinical Nutrition, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Sichuan, China
| | - Xuemei Huang
- Department of Clinical Nutrition, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Sichuan, China
| | - Yu Zeng
- Department of Clinical Nutrition, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Sichuan, China
| | - Zhujuan Xiong
- Department of Clinical Nutrition, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Sichuan, China.
| | - Ming Zuo
- Department of Clinical Nutrition, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Sichuan, China
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27
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Shams M, Esmaeili F, Sadeghi S, Shanaki-Bavarsad M, Seyyed Ebrahimi SS, Hashemnia SMR, Tajabadi-Ebrahimi M, Emamgholipour S, Shanaki M. Bacillus coagulans T4 and Lactobacillus paracasei TD3 Ameliorate Skeletal Muscle Oxidative Stress and Inflammation in High-Fat Diet-Fed C57BL/6J Mice. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2023; 22:e135249. [PMID: 38116571 PMCID: PMC10728858 DOI: 10.5812/ijpr-135249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 06/03/2023] [Accepted: 07/03/2023] [Indexed: 12/21/2023]
Abstract
Background This study aims to investigate the effects of Bacillus coagulans T4 and Lactobacillus paracasei TD3 probiotics on skeletal muscle inflammation and oxidative stress in C57BL/6J mice fed a high-fat diet (HFD). Methods Probiotics B. coagulans T4, and L. paracasei TD3 were administered to male C57BL/6J mice fed with HFD. The gene expression of macrophage infiltration markers, inflammatory cytokines, and oxidative stress indicators in the muscle tissue was investigated. Results Treatment with B. coagulans T4 and L. paracasei TD3 reduced macrophage infiltration, accompanied by a decrease in the expression of monocyte chemoattractant protein-1 (MCP-1) and an increase in the expression of interleukin (IL)-10. On the other hand, L. paracasei TD3 decreased malondialdehyde (MDA) while B. coagulans T4 decreased carbonyl and increased catalase activity. Conclusions Treatment with probiotics B. coagulans T4 and L. paracasei TD3 partially ameliorated obesity-induced skeletal muscle inflammation in HFD-fed mice.
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Affiliation(s)
- Masoumeh Shams
- Department of Medical Laboratory Sciences, School of Allied Medical Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fataneh Esmaeili
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences Tehran, Iran
| | - Samira Sadeghi
- Department of Medical Laboratory Sciences, School of Allied Medical Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Shanaki-Bavarsad
- Department of Neurology, Memory and Aging Center, University of California San Francisco, San Francisco, CA, USA
| | - Shadi Sadat Seyyed Ebrahimi
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences Tehran, Iran
| | | | | | - Solaleh Emamgholipour
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrnoosh Shanaki
- Department of Medical Laboratory Sciences, School of Allied Medical Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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28
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Whey protein hydrolysate enhances exercise endurance, regulates energy metabolism, and attenuates muscle damage in exercise mice. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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29
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Yan K, Zhang P, Jin J, Chen X, Guan H, Li Y, Li H. Integrative analyses of hub genes and their association with immune infiltration in adipose tissue, liver tissue and skeletal muscle of obese patients after bariatric surgery. Adipocyte 2022; 11:190-201. [PMID: 35412419 PMCID: PMC9009953 DOI: 10.1080/21623945.2022.2060059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Bariatric surgery (BS) is an effective treatment for obesity. Adipose tissue, liver tissue and skeletal muscle are important metabolic tissues. This study investigated hub genes and their association with immune infiltration in these metabolic tissues of obese patients after BS by bioinformatic analysis with Gene Expression Omnibus datasets. Differentially expressed genes (DEGs) were identified, and a protein–protein interaction network was constructed to identify hub genes. As a result, 121 common DEGs were identified and mainly enriched in cytokine–cytokine receptor interactions, chemokine signaling pathway, neutrophil activation and immune responses. Immune cell infiltration analysis showed that the abundance of M1 macrophages was significantly lower in adipose and liver tissue after BS (p<0.05). Ten hub genes (TYROBP, TLR8, FGR, NCF2, HCK, CCL2, LAPTM5, MNDA and S100A9) that were all downregulated after BS were also associated with immune cells. Consistently, results in the validated dataset showed that the expression levels of these hub genes were increased in obese patients and mice, and decreased after BS. In conclusion, this study analysed the potential immune and inflammatory mechanisms of BS in three key metabolic tissues of obese patients, and revealed hub genes associated with immune cell infiltration, thus providing potential targets for obesity treatment.
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Affiliation(s)
- Kemin Yan
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Pengyuan Zhang
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jiewen Jin
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Xin Chen
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Hongyu Guan
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yanbing Li
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Hai Li
- Department of Endocrinology and Diabetes Center, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
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Komori T, Morikawa Y. Essential roles of the cytokine oncostatin M in crosstalk between muscle fibers and immune cells in skeletal muscle after aerobic exercise. J Biol Chem 2022; 298:102686. [PMID: 36370846 PMCID: PMC9720348 DOI: 10.1016/j.jbc.2022.102686] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 10/29/2022] [Accepted: 10/31/2022] [Indexed: 11/10/2022] Open
Abstract
Crosstalk between muscle fibers and immune cells is well known in the processes of muscle repair after exercise, especially resistance exercise. In aerobic exercise, however, this crosstalk is not fully understood. In the present study, we found that macrophages, especially anti-inflammatory (M2) macrophages, and neutrophils accumulated in skeletal muscles of mice 24 h after a single bout of an aerobic exercise. The expression of oncostatin M (OSM), a member of the interleukin 6 family of cytokines, was also increased in muscle fibers immediately after the exercise. In addition, we determined that deficiency of OSM in mice inhibited the exercise-induced accumulation of M2 macrophages and neutrophils, whereas intramuscular injection of OSM increased these immune cells in skeletal muscles. Furthermore, the chemokines related to the recruitment of macrophages and neutrophils were induced in skeletal muscles after aerobic exercise, which were attenuated in OSM-deficient mice. Among them, CC chemokine ligand 2, CC chemokine ligand 7, and CXC chemokine ligand 1 were induced by OSM in skeletal muscles. Next, we analyzed the direct effects of OSM on the skeletal muscle macrophages, because the OSM receptor β subunit was expressed predominantly in macrophages in the skeletal muscle. OSM directly induced the expression of these chemokines and anti-inflammatory markers in the skeletal muscle macrophages. From these findings, we conclude that OSM is essential for aerobic exercise-induced accumulation of M2 macrophages and neutrophils in the skeletal muscle partly through the regulation of chemokine expression in macrophages.
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Nakanishi N, Ono Y, Miyazaki Y, Moriyama N, Fujioka K, Yamashita K, Inoue S, Kotani J. Sepsis causes neutrophil infiltration in muscle leading to muscle atrophy and weakness in mice. Front Immunol 2022; 13:950646. [PMID: 36389802 PMCID: PMC9659852 DOI: 10.3389/fimmu.2022.950646] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 10/19/2022] [Indexed: 12/03/2022] Open
Abstract
Background Sepsis-induced muscle atrophy leads to prolonged physical dysfunction. Although the interaction of muscle atrophy and macrophage has been reported in sepsis, the role of neutrophils in muscle atrophy has not been thoroughly investigated. This study sought to investigate the long-term changes in muscle-localized neutrophils after sepsis induction and their possible role in sepsis. Methods Sepsis was induced in seven-week-old male C57BL/6J mice 8-12 (cecal slurry [CS] model) via intraperitoneal injection of 1 mg/g cecal slurry. The percentage change in body weight and grip strength was evaluated. The tibialis anterior muscles were dissected for microscopic examination of the cross-sectional area of myofibers or Fluorescence-activated cell sorting (FACS) analysis of immune cells. These changes were evaluated in the following conditions: (1) Longitudinal change until day 61, (2) CS concentration-dependent change on day 14 at the low (0.3 mg/g), middle (1.0 mg/g), and high (2.0 mg/g) concentrations, and (3) CS mice on day 14 treated with an anti-Ly6G antibody that depletes neutrophils. Results Body weight and grip strength were significantly lower in the CS model until day 61 (body weight: 123.1% ± 1.8% vs. 130.3% ± 2.5%, p = 0.04; grip strength: 104.5% ± 3.8% vs. 119.3% ± 5.3%, p = 0.04). Likewise, cross-sectional muscle area gradually decreased until day 61 from the CS induction (895.6 [606.0–1304.9] μm2 vs. 718.8 [536.2–937.0] μm2, p < 0.01). The number of muscle-localized neutrophils increased from 2.3 ± 0.6 cell/mg on day 0 to 22.2 ± 13.0 cell/mg on day 14, and decreased thereafter. In terms of CS concentration–dependent change, cross-sectional area was smaller (484.4 ± 221.2 vs. 825.8 ± 436.2 μm2 [p < 0.001]) and grip strength was lower (71.4% ± 12.8% vs. 116.3% ± 7.4%, p = 0.01) in the CS High group compared with the control, with increased neutrophils (p = 0.03). Ly6G-depleted mice demonstrated significant increase of muscle cross-sectional area and grip strength compared with control mice (p < 0.01). Conclusions Sepsis causes infiltration of neutrophils in muscles, leading to muscle atrophy and weakness. Depletion of neutrophils in muscle reverses sepsis-induced muscle atrophy and weakness. These results suggest that neutrophils may play a critical role in sepsis-induced muscle atrophy and weakness.
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Affiliation(s)
- Nobuto Nakanishi
- Division of Disaster and Emergency Medicine, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuko Ono
- Division of Disaster and Emergency Medicine, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yusuke Miyazaki
- Division of Disaster and Emergency Medicine, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naoki Moriyama
- Division of Disaster and Emergency Medicine, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kazumichi Fujioka
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kimihiro Yamashita
- Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shigeaki Inoue
- Division of Disaster and Emergency Medicine, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
- *Correspondence: Shigeaki Inoue,
| | - Joji Kotani
- Division of Disaster and Emergency Medicine, Department of Surgery Related, Kobe University Graduate School of Medicine, Kobe, Japan
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Li H, Meng Y, He S, Tan X, Zhang Y, Zhang X, Wang L, Zheng W. Macrophages, Chronic Inflammation, and Insulin Resistance. Cells 2022; 11:cells11193001. [PMID: 36230963 PMCID: PMC9562180 DOI: 10.3390/cells11193001] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/08/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022] Open
Abstract
The prevalence of obesity has reached alarming levels, which is considered a major risk factor for several metabolic diseases, including type 2 diabetes (T2D), non-alcoholic fatty liver, atherosclerosis, and ischemic cardiovascular disease. Obesity-induced chronic, low-grade inflammation may lead to insulin resistance, and it is well-recognized that macrophages play a major role in such inflammation. In the current review, the molecular mechanisms underlying macrophages, low-grade tissue inflammation, insulin resistance, and T2D are described. Also, the role of macrophages in obesity-induced insulin resistance is presented, and therapeutic drugs and recent advances targeting macrophages for the treatment of T2D are introduced.
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Affiliation(s)
- He Li
- Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Ya Meng
- Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Shuwang He
- Shandong DYNE Marine Biopharmaceutical Co., Ltd., Rongcheng 264300, China
| | - Xiaochuan Tan
- Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yujia Zhang
- Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Xiuli Zhang
- Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Lulu Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050, China
- Correspondence: (L.W.); (W.Z.); Tel.: +86-010-63165233 (W.Z.)
| | - Wensheng Zheng
- Beijing City Key Laboratory of Drug Delivery Technology and Novel Formulation, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
- Correspondence: (L.W.); (W.Z.); Tel.: +86-010-63165233 (W.Z.)
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Chen YF, Lee CW, Wu HH, Lin WT, Lee OK. Immunometabolism of macrophages regulates skeletal muscle regeneration. Front Cell Dev Biol 2022; 10:948819. [PMID: 36147742 PMCID: PMC9485946 DOI: 10.3389/fcell.2022.948819] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
Sarcopenia is an age-related progressive loss of skeletal muscle mass, quality, and strength disease. In addition, sarcopenia is tightly correlated with age-associated pathologies, such as sarcopenic obesity and osteoporosis. Further understanding of disease mechanisms and the therapeutic strategies in muscle regeneration requires a deeper knowledge of the interaction of skeletal muscle and other cells in the muscle tissue. Skeletal muscle regeneration is a complex process that requires a series of highly coordinated events involving communication between muscle stem cells and niche cells, such as muscle fibro/adipogenic progenitors and macrophages. Macrophages play a critical role in tissue regeneration and the maintenance of muscle homeostasis by producing growth factors and cytokines that regulate muscle stem cells and myofibroblast activation. Furthermore, the aging-related immune dysregulation associated with the release of trophic factors and the polarization in macrophages transiently affect the inflammatory phase and impair muscle regeneration. In this review, we focus on the role and regulation of macrophages in skeletal muscle regeneration and homeostasis. The aim of this review is to highlight the important roles of macrophages as a therapeutic target in age-related sarcopenia and the increasing understanding of how macrophages are regulated will help to advance skeletal muscle regeneration.
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Affiliation(s)
- Yu-Fan Chen
- Center for Translational Genomics Research, China Medical University Hospital, Taichung, Taiwan
| | - Chien-Wei Lee
- Center for Translational Genomics Research, China Medical University Hospital, Taichung, Taiwan
| | - Hao-Hsiang Wu
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Stem Cell Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Wei-Ting Lin
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Doctoral Degree Program of Translational Medicine, National Yang Ming Chiao Tung University and Academia Sinica, Taipei, Taiwan
| | - Oscar K. Lee
- Center for Translational Genomics Research, China Medical University Hospital, Taichung, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Stem Cell Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Orthopedics, China Medical University Hospital, Taichung, Taiwan
- *Correspondence: Oscar K. Lee,
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You Z, Huang X, Xiang Y, Dai J, Jiang J, Xu J. Molecular feature of neutrophils in immune microenvironment of muscle atrophy. J Cell Mol Med 2022; 26:4658-4665. [PMID: 35899367 PMCID: PMC9443939 DOI: 10.1111/jcmm.17495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 07/02/2022] [Accepted: 07/06/2022] [Indexed: 12/16/2022] Open
Abstract
Homeostasis in skeletal muscle is sustained by the balance of functional and physical interactions between muscle and myofibre microenvironment. Various factors, such as ageing, disuse and denervation, tip the balance and induce skeletal muscle atrophy. Skeletal muscle atrophy, which involves complex physiological and biochemical changes, is accompanied by adverse outcomes and even increased mortality. Multiple studies have investigated the role of neutrophils in atrophied skeletal muscles; however, neutrophil intrusion in muscle is still a polemical knot. As technical obstacles have been overcome, people have gradually discovered new functions of neutrophils. The classical view of neutrophils is no longer applicable to their biological characteristics. To date, no clear association between the hidden injurious effect of neutrophil intrusion and muscle atrophy has been convincingly proven. Throughout this review, we have discussed the neutrophil activities that mediate muscle atrophy for distinct disease occurrences. Hopefully, this review will help both clinicians and researchers of skeletal muscle atrophy with relevant targets to further explore efficient medical interventions and treatments.
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Affiliation(s)
- Zongqi You
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Xinying Huang
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Yaoxian Xiang
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Junxi Dai
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Junjian Jiang
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China
| | - Jianguang Xu
- Department of Hand Surgery, Huashan Hospital, Fudan University, Shanghai, China.,Key Laboratory of Hand Reconstruction, Ministry of Health, Shanghai, China.,Shanghai Key Laboratory of Peripheral Nerve and Microsurgery, Shanghai, China.,School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Lähteenmäki EI, Koski M, Koskela I, Lehtonen E, Kankaanpää A, Kainulainen H, Walker S, Lehti M. Resistance exercise with different workloads have distinct effects on cellular respiration of peripheral blood mononuclear cells. Physiol Rep 2022; 10:e15394. [PMID: 35852047 PMCID: PMC9295128 DOI: 10.14814/phy2.15394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/28/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023] Open
Abstract
Little is known how acute exercise-induced inflammation and metabolic stress affect immune cell bioenergetics and the portion of its components. Therefore, we investigated acute effects of eccentric-only (E), concentric-only (C) and combined eccentric-concentric resistance exercise (E + C) bouts on cellular respiration of peripheral blood mononuclear cells (PBMCs). Twelve strength-trained young men performed bench press resistance exercises in randomized order. Venous blood samples were drawn at pre-, 5 min post- and 24 h post-exercise. Several PBMC respiration states were measured using high-resolution respirometry. Levels of leukocytes, interleukin 6 (IL-6), C-reactive protein (CRP), creatine kinase (CK), blood lactate and maximum voluntary isometric force were measured from the same time points. Effects of blood lactate and pH change on bioenergetics of PBMCs were investigated ex vivo. PBMC routine respiration (p = 0.017), free routine capacity (p = 0.025) and ET-capacity (p = 0.038) decreased immediately after E + C. E responded in opposite manner 5 min post-exercise compared to E + C (p = 0.013) and C (p = 0.032) in routine respiration, and to E + C in free routine activity (p = 0.013). E + C > C > E was observed for increased lactate levels and decreased isometric force that correlated with routine respiration (R = -0.369, p = 0.035; R = 0.352, p = 0.048). Lactate and pH change did not affect bioenergetics of PBMCs. Acute resistance exercise affected cellular respiration of PBMCs, with training volume and the amount of metabolic stress appear influential. Results suggest that acute inflammation response does not contribute to changes seen in cellular respiration, but the level of peripheral muscle fatigue and metabolic stress could be explaining factors.
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Affiliation(s)
- Emilia Ilona Lähteenmäki
- Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
- Research Centre for Physical Activity and Health LIKESJyväskyläFinland
| | - Max Koski
- Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
- Biology of Physical Activity, Neuromuscular Research CenterUniversity of JyväskyläJyväskyläFinland
| | - Iida Koskela
- Department of Biological and Environmental ScienceUniversity of JyväskyläJyväskyläFinland
| | - Elias Lehtonen
- Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
| | - Anna Kankaanpää
- Gerontology Research Center (GEREC), Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
| | - Heikki Kainulainen
- Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
| | - Simon Walker
- Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
- Biology of Physical Activity, Neuromuscular Research CenterUniversity of JyväskyläJyväskyläFinland
| | - Maarit Lehti
- Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
- Research Centre for Physical Activity and Health LIKESJyväskyläFinland
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The mechanism of Megalobrama amblycephala muscle injury repair based on RNA-seq. Gene X 2022; 827:146455. [PMID: 35395368 DOI: 10.1016/j.gene.2022.146455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 01/19/2022] [Accepted: 03/25/2022] [Indexed: 11/22/2022] Open
Abstract
Skeletal muscle myogenesis and injury-induced muscle regeneration contribute to muscle formation. Skeletal muscle stem cells, termed satellite cells (SCs), proliferate to repair injured muscle. To identify the molecular mechanism of regeneration after muscle injury as well as the genes related to muscle development in fish, in this study, the immunohistochemistry and the high-throughput RNA sequencing (RNA-seq) analysis were performed after Megalobrama amblycephala muscle was injured by needle stab. The results showed that paired box7-positive (Pax7+) SCs increased, and peaked at 96 to 144 h-post injury (hpi). The 6729 differentially expressed genes (DEGs), including 2125 up-regulated and 4604 down-regulated genes were found. GO terms significantly enriched by DEGs contained intercellular connections, signaling transduction and enzyme activity. KEGG enrichment analysis showed that most of the pathways were related to immunity, metabolism and cells related molecules, including actin skeleton regulation, Epstein Barr virus infection and plaque adhesion. The WGCNA results revealed that actin cytoskeleton and lipid metabolism related genes probably played crucial roles during repair after muscle injury. Collectively, all these results will provide new insights into the molecular mechanisms underlying muscle injury repair of fish.
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Kim E, Wu F, Lim D, Zeuthen C, Zhang Y, Allen J, Muraine L, Trollet C, Vest KE, Choo HJ. Fibroadipogenic Progenitors Regulate the Basal Proliferation of Satellite Cells and Homeostasis of Pharyngeal Muscles via HGF Secretion. Front Cell Dev Biol 2022; 10:875209. [PMID: 35669512 PMCID: PMC9164287 DOI: 10.3389/fcell.2022.875209] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
Skeletal muscle stem cells, known as satellite cells (SCs), are quiescent in normal adult limb muscles. Injury stimulates SC proliferation, differentiation, and fusion to regenerate muscle structure. In pharyngeal muscles, which are critical for swallowing foods and liquids, SCs proliferate and fuse in the absence of injury. It is unknown what factors drive increased basal activity of pharyngeal SCs. Here, we determined how niche factors influence the status of pharyngeal versus limb SCs. In vivo, a subset of pharyngeal SCs present features of activated SCs, including large cell size and increased mitochondrial content. In this study, we discovered that the pharyngeal muscle contains high levels of active hepatocyte growth factor (HGF), which is known to activate SCs in mice and humans. We found that fibroadipogenic progenitors (FAPs) are the major cell type providing HGF and are thus responsible for basal proliferation of SCs in pharyngeal muscles. Lastly, we confirmed the critical role of FAPs for pharyngeal muscle function and maintenance. This study gives new insights to explain the distinctive SC activity of pharyngeal muscles.
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Affiliation(s)
- Eunhye Kim
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, United States
- Laboratory of Molecular Diagnostics and Cell Biology, College of Veterinary Medicine, Gyeongsang National University, Jinju, South Korea
| | - Fang Wu
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, United States
| | - Danbi Lim
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, United States
| | - Christopher Zeuthen
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, United States
| | - Yiming Zhang
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, United States
| | - James Allen
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, United States
| | - Laura Muraine
- Sorbonne Université, Inserm, Institut de Myologie, U974, Centre de Recherche en Myologie, Paris, France
| | - Capucine Trollet
- Sorbonne Université, Inserm, Institut de Myologie, U974, Centre de Recherche en Myologie, Paris, France
| | - Katherine E. Vest
- Department of Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Hyojung J. Choo
- Department of Cell Biology, School of Medicine, Emory University, Atlanta, GA, United States
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Graca FA, Rai M, Hunt LC, Stephan A, Wang YD, Gordon B, Wang R, Quarato G, Xu B, Fan Y, Labelle M, Demontis F. The myokine Fibcd1 is an endogenous determinant of myofiber size and mitigates cancer-induced myofiber atrophy. Nat Commun 2022; 13:2370. [PMID: 35501350 PMCID: PMC9061726 DOI: 10.1038/s41467-022-30120-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 04/14/2022] [Indexed: 12/19/2022] Open
Abstract
Decline in skeletal muscle cell size (myofiber atrophy) is a key feature of cancer-induced wasting (cachexia). In particular, atrophy of the diaphragm, the major muscle responsible for breathing, is an important determinant of cancer-associated mortality. However, therapeutic options are limited. Here, we have used Drosophila transgenic screening to identify muscle-secreted factors (myokines) that act as paracrine regulators of myofiber growth. Subsequent testing in mouse myotubes revealed that mouse Fibcd1 is an evolutionary-conserved myokine that preserves myofiber size via ERK signaling. Local administration of recombinant Fibcd1 (rFibcd1) ameliorates cachexia-induced myofiber atrophy in the diaphragm of mice bearing patient-derived melanoma xenografts and LLC carcinomas. Moreover, rFibcd1 impedes cachexia-associated transcriptional changes in the diaphragm. Fibcd1-induced signaling appears to be muscle selective because rFibcd1 increases ERK activity in myotubes but not in several cancer cell lines tested. We propose that rFibcd1 may help reinstate myofiber size in the diaphragm of patients with cancer cachexia.
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Affiliation(s)
- Flavia A Graca
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Mamta Rai
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Liam C Hunt
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Anna Stephan
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Yong-Dong Wang
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Department of Cell and Molecular Biology, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Brittney Gordon
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States
- Xenograft Core, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Ruishan Wang
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Giovanni Quarato
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Beisi Xu
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Yiping Fan
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Center for Applied Bioinformatics, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Myriam Labelle
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Fabio Demontis
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, United States.
- Solid Tumor Program, Comprehensive Cancer Center, St. Jude Children's Research Hospital, Memphis, TN, United States.
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Ghayomzadeh M, Hackett D, SeyedAlinaghi S, Gholami M, Hosseini Rouzbahani N, Azevedo Voltarelli F. Combined training improves the diagnostic measures of sarcopenia and decreases the inflammation in HIV-infected individuals. J Cachexia Sarcopenia Muscle 2022; 13:1024-1035. [PMID: 35142082 PMCID: PMC8977956 DOI: 10.1002/jcsm.12926] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/20/2021] [Accepted: 12/28/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND HIV-related sarcopenia is an emerging health issue that often remains undiagnosed and can lead to reduced quality of life, independence, and premature death if untreated. This study investigated the effects of a 6 month combined training (resistance plus aerobic exercise) (CT) intervention on diagnostic measures of sarcopenia, including grip strength, appendicular lean mass index (ALMI), and gait speed. METHODS Forty participants were randomized into either a CT group (n = 20; age = 38.3 ± 4.9 years) or a control group (CON; n = 20; age = 37.9 ± 5.1 years). Participants in the CT group performed three supervised sessions per week for 6 months, consisting of weekly reverse linear periodized resistance training followed by 20 min aerobic training. Participants in the CON group were instructed to continue with their current lifestyle habits. Assessments were completed at baseline and after 6 months. Statistical analyses were performed using a two-way analysis of covariance (ANCOVA) adjusted for sex and preintervention values. Primary outcomes included grip strength, ALMI, and gait speed. Secondary outcomes were changes in levels of pro-inflammatory cytokines (IL-6 and TNF-α), IGF-1, and myostatin. Associations were explored between changes in inflammatory markers (IL-6 and TNF-α), gait speed, and ALMI with grip strength. RESULTS A significant increase in ALMI was found for CT compared with CON (0.29 ± 0.13 kg/m2 vs. -0.11 ± 0.14 kg/m2 , respectively; P < 0.001). Significant improvements in grip strength (7.86 ± 8.50 kg for CT vs. -1.58 ± 2.47 kg for CON) and gait speed (0.16 ± 0.07 m/s2 for CT vs. -0.06 ± 0.52 m/s2 for CON; both P < 0.001) were also observed in CT compared with CON. Reduction in inflammatory biomarkers was found in CT compared with CON (IL-6; TNF-α, both P < 0.001). An increase in IGF-1 (74.36 ± 56.64 pg/mm3 for CT vs. 7.19 ± 99 pg/mm3 for CON; P < 0.001) and a decrease in myostatin (-158.90 ± 62.03 pg/mm3 for CT vs. -43.33 ± 146.60 pg/mm3 for CON; P < 0.001) was found following CT compared with the CON group. Change in grip strength was correlated with changes in IL-6 (r = -0.65, P < 0.001), TNF-α (r = -0.63, P < 0.001), gait speed (r = 0.63, P < 0.001), and ALMI (r = 0.54, P = 0.001), but not IGF-1 and myostatin. No adverse events were recorded, and compliance with the CT exercise sessions was high (>85%). CONCLUSIONS Combined training appears to be an effective means to counteract sarcopenia and improve various inflammatory markers and growth hormones in people living with HIV.
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Affiliation(s)
- Morteza Ghayomzadeh
- Department of Exercise Science, Murdoch University, Perth, Western Australia, Australia.,Murdoch Applied Sports Science Laboratory, Murdoch University, Perth, Western Australia, Australia
| | - Daniel Hackett
- Physical Activity, Lifestyle, Ageing and Wellbeing Faculty Research Group, School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - SeyedAhmad SeyedAlinaghi
- Iranian Research Center for HIV/AIDS, Iranian Institute for Reduction of High-Risk Behaviors, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Gholami
- Department of Medical Microbiology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Negin Hosseini Rouzbahani
- Department of Medical Immunology, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran
| | - Fabrício Azevedo Voltarelli
- Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Mato Grosso, Cuiab'a, Brazil
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The lasting effects of resistance and endurance exercise interventions on breast cancer patient mental wellbeing and physical fitness. Sci Rep 2022; 12:3504. [PMID: 35241723 PMCID: PMC8894392 DOI: 10.1038/s41598-022-07446-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 12/07/2021] [Indexed: 12/24/2022] Open
Abstract
Breast cancer is a persisting global burden for health services with cases and deaths projected to rise in future years. Surgery complemented by adjuvant therapy is commonly used to treat breast cancer, however comes with detrimental side effects to physical fitness and mental wellbeing. The aim of this systematic review and meta-analysis is to determine whether resistance and endurance interventions performed during adjuvant treatment can lastingly ameliorate these side effects. A systematic literature search was performed in various electronic databases. Papers were assessed for bias and grouped based on intervention design. RStudio was used to perform the meta-analyses for each group using the ‘meta’ package. Publication bias and power analyses were also conducted. These methods conform to PRISMA guidelines. Combined resistance and endurance interventions elicited significant long-lasting improvements in global fatigue and were beneficial to the remaining side effects. Individually, resistance and endurance interventions non-significantly improved these side effects. Resistance interventions elicited higher benefits overall. Exercise interventions have lasting clinical benefits in ameliorating adjuvant therapy side effects, which negatively impact physical fitness and mental wellbeing. These interventions are of clinical value to enhance adherence rates and avoid comorbidities such as sarcopenia, thus improving disease prognosis.
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41
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Park H, Park MS, Seok JH, You J, Kim J, Kim J, Park MS. Insights into the immune responses of SARS-CoV-2 in relation to COVID-19 vaccines. J Microbiol 2022; 60:308-320. [PMID: 35235179 PMCID: PMC8890016 DOI: 10.1007/s12275-022-1598-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/24/2021] [Accepted: 12/31/2021] [Indexed: 12/14/2022]
Abstract
The three types of approved coronavirus disease 2019 (COVID-19) vaccines that have been emergency-use listed (EUL) by the World Health Organization are mRNA vaccines, adenovirus-vectored vaccines, and inactivated vaccines. Canonical vaccine developments usually take years or decades to be completed to commercialization; however, the EUL vaccines being used in the current situation comprise several COVID-19 vaccine candidates applied in studies and clinical settings across the world. The extraordinary circumstances of the COVID-19 pandemic have necessitated the emergency authorization of these EUL vaccines, which have been rapidly developed. Although the benefits of the EUL vaccines outweigh their adverse effects, there have been reports of rare but fatal cases directly associated with COVID-19 vaccinations. Thus, a reassessment of the immunological rationale underlying EUL vaccines in relation to COVID-19 caused by SARSCOV-2 virus infection is now required. In this review, we discuss the manifestations of COVID-19, immunologically projected effects of EUL vaccines, reported immune responses, informed issues related to COVID-19 vaccination, and the potential strategies for future vaccine use against antigenic variants.
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Affiliation(s)
- Heedo Park
- Department of Microbiology, Institute for Viral Diseases, Chung Mong-Koo Vaccine Innovation Center, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Mee Sook Park
- Department of Microbiology, Institute for Viral Diseases, Chung Mong-Koo Vaccine Innovation Center, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Jong Hyeon Seok
- Department of Microbiology, Institute for Viral Diseases, Chung Mong-Koo Vaccine Innovation Center, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Jaehwan You
- Department of Microbiology, Institute for Viral Diseases, Chung Mong-Koo Vaccine Innovation Center, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Jineui Kim
- Department of Microbiology, Institute for Viral Diseases, Chung Mong-Koo Vaccine Innovation Center, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Jeonghun Kim
- Department of Microbiology, Institute for Viral Diseases, Chung Mong-Koo Vaccine Innovation Center, College of Medicine, Korea University, Seoul, 02841, Republic of Korea
| | - Man-Seong Park
- Department of Microbiology, Institute for Viral Diseases, Chung Mong-Koo Vaccine Innovation Center, College of Medicine, Korea University, Seoul, 02841, Republic of Korea.
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Anderson JE. Key concepts in muscle regeneration: muscle "cellular ecology" integrates a gestalt of cellular cross-talk, motility, and activity to remodel structure and restore function. Eur J Appl Physiol 2022; 122:273-300. [PMID: 34928395 PMCID: PMC8685813 DOI: 10.1007/s00421-021-04865-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 11/10/2021] [Indexed: 12/21/2022]
Abstract
This review identifies some key concepts of muscle regeneration, viewed from perspectives of classical and modern research. Early insights noted the pattern and sequence of regeneration across species was similar, regardless of the type of injury, and differed from epimorphic limb regeneration. While potential benefits of exercise for tissue repair was debated, regeneration was not presumed to deliver functional restoration, especially after ischemia-reperfusion injury; muscle could develop fibrosis and ectopic bone and fat. Standard protocols and tools were identified as necessary for tracking injury and outcomes. Current concepts vastly extend early insights. Myogenic regeneration occurs within the environment of muscle tissue. Intercellular cross-talk generates an interactive system of cellular networks that with the extracellular matrix and local, regional, and systemic influences, forms the larger gestalt of the satellite cell niche. Regenerative potential and adaptive plasticity are overlain by epigenetically regionalized responsiveness and contributions by myogenic, endothelial, and fibroadipogenic progenitors and inflammatory and metabolic processes. Muscle architecture is a living portrait of functional regulatory hierarchies, while cellular dynamics, physical activity, and muscle-tendon-bone biomechanics arbitrate regeneration. The scope of ongoing research-from molecules and exosomes to morphology and physiology-reveals compelling new concepts in muscle regeneration that will guide future discoveries for use in application to fitness, rehabilitation, and disease prevention and treatment.
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Affiliation(s)
- Judy E Anderson
- Department of Biological Sciences, Faculty of Science, University of Manitoba, 50 Sifton Road, Winnipeg, MB, R3T 2N2, Canada.
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43
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Ziemkiewicz N, Hilliard GM, Dunn AJ, Madsen J, Haas G, Au J, Genovese PC, Chauvin HM, West C, Paoli A, Garg K. Laminin-111-Enriched Fibrin Hydrogels Enhance Functional Muscle Regeneration Following Trauma. Tissue Eng Part A 2022; 28:297-311. [PMID: 34409846 DOI: 10.1089/ten.tea.2021.0096] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Volumetric muscle loss (VML) is the surgical or traumatic loss of skeletal muscle, which can cause loss of limb function or permanent disability. VML injuries overwhelms the endogenous regenerative capacity of skeletal muscle and results in poor functional healing outcomes. Currently, there are no approved tissue engineering treatments for VML injuries. In this study, fibrin hydrogels enriched with laminin-111 (LM-111; 50-450 μg/mL) were used for the treatment of VML of the tibialis anterior in a rat model. Treatment with fibrin hydrogel containing 450 μg/mL of LM-111 (FBN450) improved muscle regeneration following VML injury. FBN450 hydrogel treatment increased the relative proportion of contractile to fibrotic tissue as indicated by the myosin: collagen ratio on day 28 post-VML injury. FBN450 hydrogels also enhanced myogenic protein expression and increased the quantity of small to medium size myofibers (500-2000 μm2) as well as innervated myofibers. Improved contractile tissue deposition due to FBN450 hydrogel treatment resulted in a significant improvement (∼60%) in torque production at day 28 postinjury. Taken together, these results suggest that the acellular FBN450 hydrogels provide a promising therapeutic strategy for VML that is worthy of further investigation.
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Affiliation(s)
- Natalia Ziemkiewicz
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Genevieve M Hilliard
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Andrew J Dunn
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Josh Madsen
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Gabriel Haas
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Jeffrey Au
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Peter C Genovese
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Hannah M Chauvin
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Charles West
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Allison Paoli
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
| | - Koyal Garg
- Department of Biomedical Engineering, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, Missouri, USA
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44
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Lower grip strength values are associated with increased levels of adiposity and excess weight: a cross-sectional study. NUTR HOSP 2022; 39:752-759. [DOI: 10.20960/nh.04004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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Zhu L, Han Z, He Y, Sun H. Caspase-1-Dependent Pyroptosis Mediates Adjuvant Activity of Platycodin D as an Adjuvant for Intramuscular Vaccines. Cells 2022; 11:cells11010134. [PMID: 35011696 PMCID: PMC8750424 DOI: 10.3390/cells11010134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 02/06/2023] Open
Abstract
Platycodin D (PD) is a potent adjuvant with dual Th1 and Th2 potentiating activity, but its mechanisms of action remain unclear. Here, the C2C12 myoblast cell line and mice were used as in vitro and in vivo models to identify potential signaling pathways involved in the adjuvant activity of PD. PD induced a transient cytotoxicity and inflammatory response in the C2C12 cells and in mouse quadricep muscles. A comparative analysis of microarray data revealed that PD induced similar gene expression profiles in the C2C12 cells and in the quadricep muscles, and triggered rapid regulation of death, immune, and inflammation-related genes, both in vivo and in vitro. It was further demonstrated that caspase-1-dependent pyroptosis was involved in the PD-induced cytotoxicity and inflammatory response in the C2C12 cells via the Ca2+–c-jun N-terminal kinase (JNK)/p38 mitogen-activated protein kinase (MAPK)–NLR family pyrin domain containing 3 (NLRP3) inflammasome signaling pathway. Consistently, the in vivo analysis revealed that a local blockage of NLRP3 and caspase-1 inhibited PD-induced cytokine production and immune cell recruitment at the injection site, and impaired the adjuvant activity of PD on antigen-specific immune responses to model antigen ovalbumin (OVA) in mice. These findings identified the caspase-1-dependent adjuvanticity of PD and expanded the current knowledge on the mechanisms of action of saponin-based adjuvants.
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46
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Zakharova AN, Kironenko TA, Milovanova KG, Orlova AA, Dyakova EY, Kalinnikova Yu G, Kabachkova AV, Chibalin AV, Kapilevich LV. Treadmill Training Effect on the Myokines Content in Skeletal Muscles of Mice With a Metabolic Disorder Model. Front Physiol 2021; 12:709039. [PMID: 34858197 PMCID: PMC8631430 DOI: 10.3389/fphys.2021.709039] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 10/12/2021] [Indexed: 02/02/2023] Open
Abstract
The effect of treadmill training loads on the content of cytokines in mice skeletal muscles with metabolic disorders induced by a 16 week high fat diet (HFD) was studied. The study included accounting the age and biorhythmological aspects. In the experiment, mice were used at the age of 4 and 32 weeks, by the end of the experiment—respectively 20 and 48 weeks. HFD feeding lasted 16 weeks. Treadmill training were carried out for last 4 weeks six times a week, the duration 60 min and the speed from 15 to 18 m/min. Three modes of loading were applied. The first subgroup was subjected to stress in the morning hours (light phase); the second subgroup was subjected to stress in the evening hours (dark phase); the third subgroup was subjected to loads in the shift mode (the first- and third-weeks treadmill training was used in the morning hours, the second and fourth treadmill training was used in the evening hours). In 20-week-old animals, the exercise effect does not depend on the training regime, however, in 48-week-old animals, the decrease in body weight in mice with the shift training regime was more profound. HFD affected muscle myokine levels. The content of all myokines, except for LIF, decreased, while the concentration of CLCX1 decreased only in young animals in response to HFD. The treadmill training caused multidirectional changes in the concentration of myokines in muscle tissue. The IL-6 content changed most profoundly. These changes were observed in all groups of animals. The changes depended to the greatest extent on the training time scheme. The effect of physical activity on the content of IL-15 in the skeletal muscle tissue was observed mostly in 48-week-old mice. In 20-week-old animals, physical activity led to an increase in the concentration of LIF in muscle tissue when applied under the training during the dark phase or shift training scheme. In the HFD group, this effect was significantly more pronounced. The content of CXCL1 did not change with the use of treadmill training in almost all groups of animals. Physical activity, introduced considering circadian rhythms, is a promising way of influencing metabolic processes both at the cellular and systemic levels, which is important for the search for new ways of correcting metabolic disorders.
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Affiliation(s)
- Anna Nikolaevna Zakharova
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia
| | | | - Kseniia G Milovanova
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia
| | - A A Orlova
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia
| | - E Yu Dyakova
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia
| | - G Kalinnikova Yu
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia
| | - Anastasia V Kabachkova
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia
| | - Alexander V Chibalin
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia.,Department of Molecular Medicine and Surgery, Section of Integrative Physiology, Karolinska Institutet, Stockholm, Sweden
| | - Leonid V Kapilevich
- Department of Sport Tourism, Sport Physiology and Medicine, National Research Tomsk State University, Tomsk, Russia.,Central Research Laboratory, Siberian State Medical University, Tomsk, Russia
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Orchard P, Manickam N, Ventresca C, Vadlamudi S, Varshney A, Rai V, Kaplan J, Lalancette C, Mohlke KL, Gallagher K, Burant CF, Parker SCJ. Human and rat skeletal muscle single-nuclei multi-omic integrative analyses nominate causal cell types, regulatory elements, and SNPs for complex traits. Genome Res 2021; 31:2258-2275. [PMID: 34815310 PMCID: PMC8647829 DOI: 10.1101/gr.268482.120] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 09/16/2021] [Indexed: 12/12/2022]
Abstract
Skeletal muscle accounts for the largest proportion of human body mass, on average, and is a key tissue in complex diseases and mobility. It is composed of several different cell and muscle fiber types. Here, we optimize single-nucleus ATAC-seq (snATAC-seq) to map skeletal muscle cell-specific chromatin accessibility landscapes in frozen human and rat samples, and single-nucleus RNA-seq (snRNA-seq) to map cell-specific transcriptomes in human. We additionally perform multi-omics profiling (gene expression and chromatin accessibility) on human and rat muscle samples. We capture type I and type II muscle fiber signatures, which are generally missed by existing single-cell RNA-seq methods. We perform cross-modality and cross-species integrative analyses on 33,862 nuclei and identify seven cell types ranging in abundance from 59.6% to 1.0% of all nuclei. We introduce a regression-based approach to infer cell types by comparing transcription start site-distal ATAC-seq peaks to reference enhancer maps and show consistency with RNA-based marker gene cell type assignments. We find heterogeneity in enrichment of genetic variants linked to complex phenotypes from the UK Biobank and diabetes genome-wide association studies in cell-specific ATAC-seq peaks, with the most striking enrichment patterns in muscle mesenchymal stem cells (∼3.5% of nuclei). Finally, we overlay these chromatin accessibility maps on GWAS data to nominate causal cell types, SNPs, transcription factor motifs, and target genes for type 2 diabetes signals. These chromatin accessibility profiles for human and rat skeletal muscle cell types are a useful resource for nominating causal GWAS SNPs and cell types.
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Affiliation(s)
- Peter Orchard
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Nandini Manickam
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Christa Ventresca
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan 48109, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Swarooparani Vadlamudi
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - Arushi Varshney
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Vivek Rai
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Jeremy Kaplan
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Claudia Lalancette
- Epigenomics Core, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Karen L Mohlke
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
| | - Katherine Gallagher
- Department of Surgery, University of Michigan, Ann Arbor, Michigan 48109, USA
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Charles F Burant
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - Stephen C J Parker
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, Michigan 48109, USA
- Department of Human Genetics, University of Michigan, Ann Arbor, Michigan 48109, USA
- Department of Biostatistics, University of Michigan, Ann Arbor, Michigan 48109, USA
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Malesza IJ, Malesza M, Walkowiak J, Mussin N, Walkowiak D, Aringazina R, Bartkowiak-Wieczorek J, Mądry E. High-Fat, Western-Style Diet, Systemic Inflammation, and Gut Microbiota: A Narrative Review. Cells 2021; 10:cells10113164. [PMID: 34831387 PMCID: PMC8619527 DOI: 10.3390/cells10113164] [Citation(s) in RCA: 238] [Impact Index Per Article: 79.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/07/2021] [Accepted: 11/12/2021] [Indexed: 12/12/2022] Open
Abstract
The gut microbiota is responsible for recovering energy from food, providing hosts with vitamins, and providing a barrier function against exogenous pathogens. In addition, it is involved in maintaining the integrity of the intestinal epithelial barrier, crucial for the functional maturation of the gut immune system. The Western diet (WD)—an unhealthy diet with high consumption of fats—can be broadly characterized by overeating, frequent snacking, and a prolonged postprandial state. The term WD is commonly known and intuitively understood. However, the strict digital expression of nutrient ratios is not precisely defined. Based on the US data for 1908–1989, the calory intake available from fats increased from 32% to 45%. Besides the metabolic aspects (hyperinsulinemia, insulin resistance, dyslipidemia, sympathetic nervous system and renin-angiotensin system overstimulation, and oxidative stress), the consequences of excessive fat consumption (high-fat diet—HFD) comprise dysbiosis, gut barrier dysfunction, increased intestinal permeability, and leakage of toxic bacterial metabolites into the circulation. These can strongly contribute to the development of low-grade systemic inflammation. This narrative review highlights the most important recent advances linking HFD-driven dysbiosis and HFD-related inflammation, presents the pathomechanisms for these phenomena, and examines the possible causative relationship between pro-inflammatory status and gut microbiota changes.
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Affiliation(s)
- Ida Judyta Malesza
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, 61-701 Poznań, Poland; (I.J.M.); (J.W.)
| | - Michał Malesza
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznań, Poland; (M.M.); (J.B.-W.)
| | - Jarosław Walkowiak
- Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan University of Medical Sciences, 61-701 Poznań, Poland; (I.J.M.); (J.W.)
| | - Nadiar Mussin
- Department of General Surgery, West Kazakhstan Marat Ospanov Medical University, Aktobe 030012, Kazakhstan;
| | - Dariusz Walkowiak
- Department of Organization and Management in Health Care, Poznan University of Medical Sciences, 61-701 Poznań, Poland;
| | - Raisa Aringazina
- Department of Internal Diseases No. 1, West Kazakhstan Marat Ospanov Medical University, Aktobe 030012, Kazakhstan;
| | | | - Edyta Mądry
- Department of Physiology, Poznan University of Medical Sciences, 61-701 Poznań, Poland; (M.M.); (J.B.-W.)
- Correspondence:
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50
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Roux-Biejat P, Coazzoli M, Marrazzo P, Zecchini S, Di Renzo I, Prata C, Napoli A, Moscheni C, Giovarelli M, Barbalace MC, Catalani E, Bassi MT, De Palma C, Cervia D, Malaguti M, Hrelia S, Clementi E, Perrotta C. Acid Sphingomyelinase Controls Early Phases of Skeletal Muscle Regeneration by Shaping the Macrophage Phenotype. Cells 2021; 10:3028. [PMID: 34831250 PMCID: PMC8616363 DOI: 10.3390/cells10113028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/30/2021] [Accepted: 11/02/2021] [Indexed: 12/30/2022] Open
Abstract
Skeletal muscle regeneration is a complex process involving crosstalk between immune cells and myogenic precursor cells, i.e., satellite cells. In this scenario, macrophage recruitment in damaged muscles is a mandatory step for tissue repair since pro-inflammatory M1 macrophages promote the activation of satellite cells, stimulating their proliferation and then, after switching into anti-inflammatory M2 macrophages, they prompt satellite cells' differentiation into myotubes and resolve inflammation. Here, we show that acid sphingomyelinase (ASMase), a key enzyme in sphingolipid metabolism, is activated after skeletal muscle injury induced in vivo by the injection of cardiotoxin. ASMase ablation shortens the early phases of skeletal muscle regeneration without affecting satellite cell behavior. Of interest, ASMase regulates the balance between M1 and M2 macrophages in the injured muscles so that the absence of the enzyme reduces inflammation. The analysis of macrophage populations indicates that these events depend on the altered polarization of M1 macrophages towards an M2 phenotype. Our results unravel a novel role of ASMase in regulating immune response during muscle regeneration/repair and suggest ASMase as a supplemental therapeutic target in conditions of redundant inflammation that impairs muscle recovery.
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Affiliation(s)
- Paulina Roux-Biejat
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Marco Coazzoli
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Pasquale Marrazzo
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Silvia Zecchini
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Ilaria Di Renzo
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Cecilia Prata
- Department of Pharmacy and Biotechnology, Alma Mater Studiorum-University of Bologna, 40126 Bologna, Italy;
| | - Alessandra Napoli
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Claudia Moscheni
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Matteo Giovarelli
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
| | - Maria Cristina Barbalace
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Elisabetta Catalani
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), Università degli Studi della Tuscia, 01100 Viterbo, Italy; (E.C.); (D.C.)
| | - Maria Teresa Bassi
- Scientific Institute IRCCS “Eugenio Medea”, 23842 Bosisio Parini, Italy;
| | - Clara De Palma
- Department of Medical Biotechnology and Translational Medicine (BIOMETRA), Università degli Studi di Milano, 20129 Milano, Italy;
| | - Davide Cervia
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), Università degli Studi della Tuscia, 01100 Viterbo, Italy; (E.C.); (D.C.)
| | - Marco Malaguti
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Silvana Hrelia
- Department for Life Quality Studies, Alma Mater Studiorum-University of Bologna, 47921 Rimini, Italy; (P.M.); (M.C.B.); (M.M.); (S.H.)
| | - Emilio Clementi
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
- Scientific Institute IRCCS “Eugenio Medea”, 23842 Bosisio Parini, Italy;
| | - Cristiana Perrotta
- Department of Biomedical and Clinical Sciences “Luigi Sacco” (DIBIC), Università degli Studi di Milano, 20157 Milano, Italy; (P.R.-B.); (M.C.); (S.Z.); (I.D.R.); (A.N.); (C.M.); (M.G.); (E.C.)
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