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Liang W, Han M, Li G, Dang W, Wu H, Meng X, Zhen Y, Lin W, Ao R, Hu X, An Y. Perfusable adipose decellularized extracellular matrix biological scaffold co-recellularized with adipose-derived stem cells and L6 promotes functional skeletal muscle regeneration following volumetric muscle loss. Biomaterials 2024; 307:122529. [PMID: 38489911 DOI: 10.1016/j.biomaterials.2024.122529] [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: 11/05/2023] [Revised: 02/02/2024] [Accepted: 03/08/2024] [Indexed: 03/17/2024]
Abstract
Muscle tissue engineering is a promising therapeutic strategy for volumetric muscle loss (VML). Among them, decellularized extracellular matrix (dECM) biological scaffolds have shown certain effects in restoring muscle function. However, researchers have inconsistent or even contradictory results on whether dECM biological scaffolds can efficiently regenerate muscle fibers and restore muscle function. This suggests that therapeutic strategies based on dECM biological scaffolds need to be further optimized and developed. In this study, we used a recellularization method of perfusing adipose-derived stem cells (ASCs) and L6 into adipose dECM (adECM) through vascular pedicles. On one hand, this strategy ensures sufficient quantity and uniform distribution of seeded cells inside scaffold. On the other hand, auxiliary L6 cells addresses the issue of low myogenic differentiation efficiency of ASCs. Subsequently, the treatment of VML animal experiments showed that the combined recellularization strategy can improve muscle regeneration and angiogenesis than the single ASCs recellularization strategy, and the TA of former had greater muscle contraction strength. Further single-nucleus RNA sequencing (snRNA-seq) analysis found that L6 cells induced ASCs transform into a new subpopulation of cells highly expressing Mki67, CD34 and CDK1 genes, which had stronger ability of oriented myogenic differentiation. This study demonstrates that co-seeding ASCs and L6 cells through vascular pedicles is a promising recellularization strategy for adECM biological scaffolds, and the engineered muscle tissue constructed based on this has significant therapeutic effects on VML. Overall, this study provides a new paradigm for optimizing and developing dECM-based therapeutic strategies.
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Affiliation(s)
- Wei Liang
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Meng Han
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Guan Li
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Wanwen Dang
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Huiting Wu
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Xiaoyu Meng
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Yonghuan Zhen
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Weibo Lin
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Rigele Ao
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China
| | - Xiaoqing Hu
- Department of Sports Medicine, Peking University Third Hospital, Beijing, 100191, China.
| | - Yang An
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, 100191, China.
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Ballesteros-Pla C, Sánchez-Alonso MG, Pizarro-Delgado J, Zuccaro A, Sevillano J, Ramos-Álvarez MP. Pleiotrophin and metabolic disorders: insights into its role in metabolism. Front Endocrinol (Lausanne) 2023; 14:1225150. [PMID: 37484951 PMCID: PMC10360176 DOI: 10.3389/fendo.2023.1225150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 06/26/2023] [Indexed: 07/25/2023] Open
Abstract
Pleiotrophin (PTN) is a cytokine which has been for long studied at the level of the central nervous system, however few studies focus on its role in the peripheral organs. The main aim of this review is to summarize the state of the art of what is known up to date about pleiotrophin and its implications in the main metabolic organs. In summary, pleiotrophin promotes the proliferation of preadipocytes, pancreatic β cells, as well as cells during the mammary gland development. Moreover, this cytokine is important for the structural integrity of the liver and the neuromuscular junction in the skeletal muscle. From a metabolic point of view, pleiotrophin plays a key role in the maintenance of glucose and lipid as well as whole-body insulin homeostasis and favors oxidative metabolism in the skeletal muscle. All in all, this review proposes pleiotrophin as a druggable target to prevent from the development of insulin-resistance-related pathologies.
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Preclinical Ultrasonography in Rodent Models of Neuromuscular Disorders: The State of the Art for Diagnostic and Therapeutic Applications. Int J Mol Sci 2023; 24:ijms24054976. [PMID: 36902405 PMCID: PMC10003358 DOI: 10.3390/ijms24054976] [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: 02/16/2023] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
Ultrasonography is a safe, non-invasive imaging technique used in several fields of medicine, offering the possibility to longitudinally monitor disease progression and treatment efficacy over time. This is particularly useful when a close follow-up is required, or in patients with pacemakers (not suitable for magnetic resonance imaging). By virtue of these advantages, ultrasonography is commonly used to detect multiple skeletal muscle structural and functional parameters in sports medicine, as well as in neuromuscular disorders, e.g., myotonic dystrophy and Duchenne muscular dystrophy (DMD). The recent development of high-resolution ultrasound devices allowed the use of this technique in preclinical settings, particularly for echocardiographic assessments that make use of specific guidelines, currently lacking for skeletal muscle measurements. In this review, we describe the state of the art for ultrasound skeletal muscle applications in preclinical studies conducted in small rodents, aiming to provide the scientific community with necessary information to support an independent validation of these procedures for the achievement of standard protocols and reference values useful in translational research on neuromuscular disorders.
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Cai S, Hu B, Wang X, Liu T, Lin Z, Tong X, Xu R, Chen M, Duo T, Zhu Q, Liang Z, Li E, Chen Y, Li J, Liu X, Mo D. Integrative single-cell RNA-seq and ATAC-seq analysis of myogenic differentiation in pig. BMC Biol 2023; 21:19. [PMID: 36726129 PMCID: PMC9893630 DOI: 10.1186/s12915-023-01519-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 01/18/2023] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Skeletal muscle development is a multistep process whose understanding is central in a broad range of fields and applications, from the potential medical value to human society, to its economic value associated with improvement of agricultural animals. Skeletal muscle initiates in the somites, with muscle precursor cells generated in the dermomyotome and dermomyotome-derived myotome before muscle differentiation ensues, a developmentally regulated process that is well characterized in model organisms. However, the regulation of skeletal muscle ontogeny during embryonic development remains poorly defined in farm animals, for instance in pig. Here, we profiled gene expression and chromatin accessibility in developing pig somites and myotomes at single-cell resolution. RESULTS We identified myogenic cells and other cell types and constructed a differentiation trajectory of pig skeletal muscle ontogeny. Along this trajectory, the dynamic changes in gene expression and chromatin accessibility coincided with the activities of distinct cell type-specific transcription factors. Some novel genes upregulated along the differentiation trajectory showed higher expression levels in muscular dystrophy mice than that in healthy mice, suggesting their involvement in myogenesis. Integrative analysis of chromatin accessibility, gene expression data, and in vitro experiments identified EGR1 and RHOB as critical regulators of pig embryonic myogenesis. CONCLUSIONS Collectively, our results enhance our understanding of the molecular and cellular dynamics in pig embryonic myogenesis and offer a high-quality resource for the further study of pig skeletal muscle development and human muscle disease.
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Affiliation(s)
- Shufang Cai
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
- Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640 Guangdong China
| | - Bin Hu
- Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640 Guangdong China
| | - Xiaoyu Wang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Tongni Liu
- Faculty of Forestry, University of British Columbia, Vancouver, BC V6T 1Z4 Canada
| | - Zhuhu Lin
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Xian Tong
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Rong Xu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Meilin Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Tianqi Duo
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Qi Zhu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Ziyun Liang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Enru Li
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Yaosheng Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Jianhao Li
- Guangdong Key Laboratory of Animal Breeding and Nutrition, State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640 Guangdong China
| | - Xiaohong Liu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
| | - Delin Mo
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510006 Guangdong China
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De Bellis M, Boccanegra B, Cerchiara AG, Imbrici P, De Luca A. Blockers of Skeletal Muscle Na v1.4 Channels: From Therapy of Myotonic Syndrome to Molecular Determinants of Pharmacological Action and Back. Int J Mol Sci 2023; 24:ijms24010857. [PMID: 36614292 PMCID: PMC9821513 DOI: 10.3390/ijms24010857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/28/2022] [Accepted: 12/30/2022] [Indexed: 01/05/2023] Open
Abstract
The voltage-gated sodium channels represent an important target for drug discovery since a large number of physiological processes are regulated by these channels. In several excitability disorders, including epilepsy, cardiac arrhythmias, chronic pain, and non-dystrophic myotonia, blockers of voltage-gated sodium channels are clinically used. Myotonia is a skeletal muscle condition characterized by the over-excitability of the sarcolemma, resulting in delayed relaxation after contraction and muscle stiffness. The therapeutic management of this disorder relies on mexiletine and other sodium channel blockers, which are not selective for the Nav1.4 skeletal muscle sodium channel isoform. Hence, the importance of deepening the knowledge of molecular requirements for developing more potent and use-dependent drugs acting on Nav1.4. Here, we review the available treatment options for non-dystrophic myotonia and the structure-activity relationship studies performed in our laboratory with a focus on new compounds with potential antimyotonic activity.
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Alternative splicing diversifies the skeletal muscle transcriptome during prolonged spaceflight. Skelet Muscle 2022; 12:11. [PMID: 35642060 PMCID: PMC9153194 DOI: 10.1186/s13395-022-00294-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 04/05/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND As the interest in manned spaceflight increases, so does the requirement to understand the transcriptomic mechanisms that underlay the detrimental physiological adaptations of skeletal muscle to microgravity. While microgravity-induced differential gene expression (DGE) has been extensively investigated, the contribution of differential alternative splicing (DAS) to the plasticity and functional status of the skeletal muscle transcriptome has not been studied in an animal model. Therefore, by evaluating both DGE and DAS across spaceflight, we set out to provide the first comprehensive characterization of the transcriptomic landscape of skeletal muscle during exposure to microgravity. METHODS RNA-sequencing, immunohistochemistry, and morphological analyses were conducted utilizing total RNA and tissue sections isolated from the gastrocnemius and quadriceps muscles of 30-week-old female BALB/c mice exposed to microgravity or ground control conditions for 9 weeks. RESULTS In response to microgravity, the skeletal muscle transcriptome was remodeled via both DGE and DAS. Importantly, while DGE showed variable gene network enrichment, DAS was enriched in structural and functional gene networks of skeletal muscle, resulting in the expression of alternatively spliced transcript isoforms that have been associated with the physiological changes to skeletal muscle in microgravity, including muscle atrophy and altered fiber type function. Finally, RNA-binding proteins, which are required for regulation of pre-mRNA splicing, were themselves differentially spliced but not differentially expressed, an upstream event that is speculated to account for the downstream splicing changes identified in target skeletal muscle genes. CONCLUSIONS Our work serves as the first investigation of coordinate changes in DGE and DAS in large limb muscles across spaceflight. It opens up a new opportunity to understand (i) the molecular mechanisms by which splice variants of skeletal muscle genes regulate the physiological adaptations of skeletal muscle to microgravity and (ii) how small molecule splicing regulator therapies might thwart muscle atrophy and alterations to fiber type function during prolonged spaceflight.
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Hirata Y, Nomura K, Kato D, Tachibana Y, Niikura T, Uchiyama K, Hosooka T, Fukui T, Oe K, Kuroda R, Hara Y, Adachi T, Shibasaki K, Wake H, Ogawa W. A Piezo1/KLF15/IL-6 axis mediates immobilization-induced muscle atrophy. J Clin Invest 2022; 132:1-13. [PMID: 35290243 PMCID: PMC9159676 DOI: 10.1172/jci154611] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 03/01/2022] [Indexed: 11/17/2022] Open
Abstract
Although immobility is a common cause of muscle atrophy, the mechanism underlying this causality is unclear. We here show that Krüppel-like factor 15 (KLF15) and IL-6 are upregulated in skeletal muscle of limb-immobilized mice and that mice with KLF15 deficiency in skeletal muscle or with systemic IL-6 deficiency are protected from immobility-induced muscle atrophy. A newly developed Ca2+ bioimaging revealed that the cytosolic Ca2+ concentration ([Ca2+]i) of skeletal muscle is reduced to below the basal level by immobilization, which is associated with the downregulation of Piezo1. Acute disruption of Piezo1 in skeletal muscle induced Klf15 and Il6 expression as well as muscle atrophy, which was prevented by antibodies against IL-6. A role for the Piezo1/KLF15/IL-6 axis in immobility-induced muscle atrophy was validated in human samples. Our results thus uncover a paradigm for Ca2+ signaling in that a decrease in [Ca2+]i from the basal level triggers a defined biological event.
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Affiliation(s)
- Yu Hirata
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kazuhiro Nomura
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Daisuke Kato
- Department of Anatomy and Molecular Cell Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshihisa Tachibana
- Department of Physiology and Cell Biology, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takahiro Niikura
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kana Uchiyama
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tetsuya Hosooka
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoaki Fukui
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Keisuke Oe
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuji Hara
- Department of Integrative Physiology, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Takahiro Adachi
- Department of Precision Health, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Koji Shibasaki
- Laboratory of Neurochemistry, Graduate School of Human Health Science, University of Nagasaki, Nagasaki, Japan
| | - Hiroaki Wake
- Department of Anatomy and Molecular Cell Biology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Wataru Ogawa
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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Ergogenic Effect of BCAAs and L-Alanine Supplementation: Proof-of-Concept Study in a Murine Model of Physiological Exercise. Nutrients 2020; 12:nu12082295. [PMID: 32751732 PMCID: PMC7468919 DOI: 10.3390/nu12082295] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 12/20/2022] Open
Abstract
Background: Branched-chain amino acids (BCAAs: leucine, isoleucine, valine) account for 35% of skeletal muscle essential amino acids (AAs). As such, they must be provided in the diet to support peptide synthesis and inhibit protein breakdown. Although substantial evidence has been collected about the potential usefulness of BCAAs in supporting muscle function and structure, dietary supplements containing BCAAs alone may not be effective in controlling muscle protein turnover, due to the rate-limiting bioavailability of other AAs involved in BCAAs metabolism. Methods: We aimed to evaluate the in vivo/ex vivo effects of a 4-week treatment with an oral formulation containing BCAAs alone (2:1:1) on muscle function, structure, and metabolism in a murine model of physiological exercise, which was compared to three modified formulations combining BCAAs with increasing concentrations of L-Alanine (ALA), an AA controlling BCAAs catabolism. Results: A preliminary pharmacokinetic study confirmed the ability of ALA to boost up BCAAs bioavailability. After 4 weeks, mix 2 (BCAAs + 2ALA) had the best protective effect on mice force and fatigability, as well as on muscle morphology and metabolic indices. Conclusion: Our study corroborates the use of BCAAs + ALA to support muscle health during physiological exercise, underlining how the relative BCAAs/ALA ratio is important to control BCAAs distribution.
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Abstract
Pleiotrophin (PTN) is a potent mitogenic cytokine with a high affinity for the polysaccharide glycosaminoglycan (GAG). Although it is most strongly associated with neural development during embryogenesis and the neonatal period, its expression has also been linked to a plethora of other physiological events including cancer metastasis, angiogenesis, bone development, and inflammation. A considerable amount of research has been carried out to understand the mechanisms by which PTN regulates these events. In particular, PTN has now been shown to bind a diverse collection of receptors including many GAG-containing proteoglycans. These interactions lead to the activation of many intracellular kinases and, ultimately, activation and transformation of cells. Structural studies of PTN in complex with both GAG and domains from its non-proteoglycan receptors reveal a binding mechanism that relies on electrostatic interactions and points to PTN-induced receptor oligomerization as one of the possible ways PTN uses to control cellular functions.
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Ohira T, Ino Y, Nakai Y, Morita H, Kimura A, Kurata Y, Kagawa H, Kimura M, Egashira K, Moriya S, Hiramatsu K, Kawakita M, Kimura Y, Hirano H. Proteomic analysis revealed different responses to hypergravity of soleus and extensor digitorum longus muscles in mice. J Proteomics 2020; 217:103686. [PMID: 32061808 DOI: 10.1016/j.jprot.2020.103686] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 01/30/2020] [Accepted: 02/12/2020] [Indexed: 01/01/2023]
Abstract
Investigating protein abundance profiles is important to understand the differences in the slow and fast skeletal muscle characteristics. The profiles in soleus (Sol) and extensor digitorum longus (EDL) muscles in mice exposed to 1 g or 3 g for 28 d were compared. The biological implications of the profiles revealed that hypergravity exposure activated a larger number of pathways involved in protein synthesis in Sol. In contrast, the inactivation of signalling pathways involved in oxidative phosphorylation were conspicuous in EDL. These results suggested that the reactivity of molecular pathways in Sol and EDL differed. Additionally, the levels of spermidine synthase and spermidine, an important polyamine for cell growth, increased in both muscles following hypergravity exposure, whereas the level of spermine oxidase (SMOX) increased in EDL alone. The SMOX level was negatively correlated with spermine content, which is involved in muscle atrophy, and was higher in EDL than Sol, even in the 1 g group. These results indicated that the contribution of SMOX to the regulation of spermidine and spermine contents in Sol and EDL differed. However, contrary to expectations, the difference in the SMOX level did not have a significant impact on the growth of these muscles following hypergravity exposure. SIGNIFICANCE: The skeletal muscle-specific protein abundance profiles result in differences in the characteristics of slow and fast skeletal muscles. We investigated differences in the profiles in mouse slow-twitch Sol and fast-twitch EDL muscles following 28-d of 1 g and 3 g exposure by LC-MS/MS analysis and label-free quantitation. A two-step solubilisation of the skeletal muscle proteins increased the coverage of proteins identified by LC-MS/MS analysis. Additionally, this method reduced the complexity of samples more easily than protein or peptide fractionation by SDS-PAGE and offline HPLC while maintaining the high operability of samples and was reproducible. A larger number of hypergravity-responsive proteins as well as a prominent increase in the wet weights was observed in Sol than EDL muscles. The biological implications of the difference in the protein abundance profiles in 1 g and 3 g groups revealed that the reactivity of each molecular pathway in Sol and EDL muscles to hypergravity exposure differed significantly. In addition, we found that the biosynthetic and interconversion pathway of polyamines, essential factors for cell growth and survival in mammals, was responsive to hypergravity exposure; spermidine and spermine contents in Sol and EDL muscles were regulated by different mechanisms even in the 1 g group. However, our results indicated that the difference in the mechanism regulating polyamine contents is unlikely to have a significant effect on the differences in Sol and EDL muscle growth following hypergravity exposure.
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Affiliation(s)
- Takashi Ohira
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Yoko Ino
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Yusuke Nakai
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Hironobu Morita
- Department of Physiology, Gifu University Graduate School of Medicine, Gifu, Japan
| | - Ayuko Kimura
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Yoichi Kurata
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Hiroyuki Kagawa
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Mitsuo Kimura
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Kenji Egashira
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Shunsuke Moriya
- Department of Advanced Research for Biomolecules, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Kyoko Hiramatsu
- Department of Advanced Research for Biomolecules, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Masao Kawakita
- Department of Advanced Research for Biomolecules, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yayoi Kimura
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan.
| | - Hisashi Hirano
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan.
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Theeuwes W, Gosker H, Langen R, Pansters N, Schols A, Remels A. Inactivation of glycogen synthase kinase 3β (GSK-3β) enhances mitochondrial biogenesis during myogenesis. Biochim Biophys Acta Mol Basis Dis 2018; 1864:2913-2926. [DOI: 10.1016/j.bbadis.2018.06.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/18/2018] [Accepted: 06/04/2018] [Indexed: 12/31/2022]
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12
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Camerino GM, Musumeci O, Conte E, Musaraj K, Fonzino A, Barca E, Marino M, Rodolico C, Tricarico D, Camerino C, Carratù MR, Desaphy JF, De Luca A, Toscano A, Pierno S. Risk of Myopathy in Patients in Therapy with Statins: Identification of Biological Markers in a Pilot Study. Front Pharmacol 2017; 8:500. [PMID: 28798690 PMCID: PMC5529355 DOI: 10.3389/fphar.2017.00500] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 07/14/2017] [Indexed: 11/24/2022] Open
Abstract
Statin therapy may induce skeletal muscle damage ranging from myalgia to severe rhabdomyolysis. Our previous preclinical studies showed that statin treatment in rats involves the reduction of skeletal muscle ClC-1 chloride channel expression and related chloride conductance (gCl). An increase of the activity of protein kinase C theta (PKC theta) isoform, able to inactivate ClC-1, may contribute to destabilize sarcolemma excitability. These effects can be detrimental for muscle function leading to drug-induced myopathy. Our goal is to study the causes of statin-induced muscle side effects in patients at the aim to identify biological markers useful to prevent and counteract statin-induced muscle damage. We examined 10 patients, who experienced myalgia and hyper-CK-emia after starting statin therapy compared to 9 non-myopathic subjects not using lipid-lowering drugs. Western Blot (WB) analysis showed a 40% reduction of ClC-1 protein and increased expression of phosphorylated PKC in muscle biopsies of statin-treated patients with respect to untreated subjects, independently from their age and statin type. Real-time PCR analysis showed that despite reduction of the protein, the ClC-1 mRNA was not significantly changed, suggesting post-transcriptional modification. The mRNA expression of a series of genes was also evaluated. MuRF-1 was increased in accord with muscle atrophy, MEF-2, calcineurin (CN) and GLUT-4 transporter were reduced, suggesting altered transcription, alteration of glucose homeostasis and energy deficit. Accordingly, the phosphorylated form of AMPK, measured by WB, was increased, suggesting cytoprotective process activation. In parallel, mRNA expression of Notch-1, involved in muscle cell proliferation, was highly expressed in statin-treated patients, indicating active regeneration. Also, PGC-1-alpha and isocitrate-dehydrogenase increased expression together with increased activity of mitochondrial citrate-synthase, measured by spectrophotometric assay, suggests mitochondrial biogenesis. Thus, the reduction of ClC-1 protein and consequent sarcolemma hyperexcitability together with energy deficiency appear to be among the most important alterations to be associated with statin-related risk of myopathy in humans. Thus, it may be important to avoid statin treatment in pathologies characterized by energy deficit and chloride channel malfunction. This study validates the measure of ClC-1 expression as a reliable clinical test for assessing statin-dependent risk of myopathy.
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Affiliation(s)
- Giulia M Camerino
- Section of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo MoroBari, Italy
| | - Olimpia Musumeci
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Elena Conte
- Section of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo MoroBari, Italy
| | - Kejla Musaraj
- Section of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo MoroBari, Italy
| | - Adriano Fonzino
- Section of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo MoroBari, Italy
| | - Emanuele Barca
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Marco Marino
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Carmelo Rodolico
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Domenico Tricarico
- Section of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo MoroBari, Italy
| | - Claudia Camerino
- Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro Medical SchoolBari, Italy
| | - Maria R Carratù
- Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro Medical SchoolBari, Italy
| | - Jean-François Desaphy
- Department of Biomedical Sciences and Human Oncology, University of Bari Aldo Moro Medical SchoolBari, Italy
| | - Annamaria De Luca
- Section of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo MoroBari, Italy
| | - Antonio Toscano
- Department of Clinical and Experimental Medicine, University of MessinaMessina, Italy
| | - Sabata Pierno
- Section of Pharmacology, Department of Pharmacy and Drug Sciences, University of Bari Aldo MoroBari, Italy
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13
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Tascher G, Brioche T, Maes P, Chopard A, O'Gorman D, Gauquelin-Koch G, Blanc S, Bertile F. Proteome-wide Adaptations of Mouse Skeletal Muscles during a Full Month in Space. J Proteome Res 2017; 16:2623-2638. [PMID: 28590761 DOI: 10.1021/acs.jproteome.7b00201] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The safety of space flight is challenged by a severe loss of skeletal muscle mass, strength, and endurance that may compromise the health and performance of astronauts. The molecular mechanisms underpinning muscle atrophy and decreased performance have been studied mostly after short duration flights and are still not fully elucidated. By deciphering the muscle proteome changes elicited in mice after a full month aboard the BION-M1 biosatellite, we observed that the antigravity soleus incurred the greatest changes compared with locomotor muscles. Proteomics data notably suggested mitochondrial dysfunction, metabolic and fiber type switching toward glycolytic type II fibers, structural alterations, and calcium signaling-related defects to be the main causes for decreased muscle performance in flown mice. Alterations of the protein balance, mTOR pathway, myogenesis, and apoptosis were expected to contribute to muscle atrophy. Moreover, several signs reflecting alteration of telomere maintenance, oxidative stress, and insulin resistance were found as possible additional deleterious effects. Finally, 8 days of recovery post flight were not sufficient to restore completely flight-induced changes. Thus in-depth proteomics analysis unraveled the complex and multifactorial remodeling of skeletal muscle structure and function during long-term space flight, which should help define combined sets of countermeasures before, during, and after the flight.
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Affiliation(s)
- Georg Tascher
- Université de Strasbourg, CNRS, IPHC UMR 7178, F-670000 Strasbourg, France.,Centre National d'Etudes Spatiales, CNES , 75039 Paris, France
| | - Thomas Brioche
- Université de Montpellier, INRA, UMR 866 Dynamique Musculaire et Métabolisme, Montpellier F-34060, France
| | - Pauline Maes
- Université de Strasbourg, CNRS, IPHC UMR 7178, F-670000 Strasbourg, France
| | - Angèle Chopard
- Université de Montpellier, INRA, UMR 866 Dynamique Musculaire et Métabolisme, Montpellier F-34060, France
| | - Donal O'Gorman
- National Institute for Cellular Biotechnology and the School of Health and Human Performance, Dublin City University , Dublin 9, Ireland
| | | | - Stéphane Blanc
- Université de Strasbourg, CNRS, IPHC UMR 7178, F-670000 Strasbourg, France
| | - Fabrice Bertile
- Université de Strasbourg, CNRS, IPHC UMR 7178, F-670000 Strasbourg, France
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14
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Maqoud F, Cetrone M, Mele A, Tricarico D. Molecular structure and function of big calcium-activated potassium channels in skeletal muscle: pharmacological perspectives. Physiol Genomics 2017; 49:306-317. [DOI: 10.1152/physiolgenomics.00121.2016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 02/08/2017] [Accepted: 04/10/2017] [Indexed: 11/22/2022] Open
Abstract
The large-conductance Ca2+-activated K+ (BK) channel is broadly expressed in various mammalian cells and tissues such as neurons, skeletal muscles (sarco-BK), and smooth muscles. These channels are activated by changes in membrane electrical potential and by increases in the concentration of intracellular calcium ion (Ca2+). The BK channel is subjected to many mechanisms that add diversity to the BK channel α-subunit gene. These channels are indeed subject to alternative splicing, auxiliary subunits modulation, posttranslational modifications, and protein-protein interactions. BK channels can be modulated by diverse molecules that may induce either an increase or decrease in channel activity. The linkage of these channels to many intracellular metabolites and pathways, as well as their modulation by extracellular natural agents, have been found to be relevant in many physiological processes. BK channel diversity is obtained by means of alternative splicing and modulatory β- and γ-subunits. The association of the α-subunit with β- or with γ-subunits can change the BK channel phenotype, functional diversity, and pharmacological properties in different tissues. In the case of the skeletal muscle BK channel (sarco-BK channel), we established that the main mechanism regulating BK channel diversity is the alternative splicing of the KCNMA1/slo1 gene encoding for the α-subunit generating different splicing isoform in the muscle phenotypes. This finding helps to design molecules selectively targeting the skeletal muscle subtypes. The use of drugs selectively targeting the skeletal muscle BK channels is a promising strategy in the treatment of familial disorders affecting muscular skeletal apparatus including hyperkalemia and hypokalemia periodic paralysis.
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Affiliation(s)
- Fatima Maqoud
- Department of Pharmacy-Drug Science, University of Bari, Bari, Italy
- Faculty of Science, Chouaib Doukkali University, El Jadida, Morocco
| | - Michela Cetrone
- Istituto Tumori Giovanni Paolo II, Istituto di Ricovero e Cura a Carattere Scientifico, National Cancer Institute, Bari, Italy; and
| | - Antonietta Mele
- Department of Pharmacy-Drug Science, University of Bari, Bari, Italy
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15
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Conte E, Camerino GM, Mele A, De Bellis M, Pierno S, Rana F, Fonzino A, Caloiero R, Rizzi L, Bresciani E, Ben Haj Salah K, Fehrentz J, Martinez J, Giustino A, Mariggiò MA, Coluccia M, Tricarico D, Lograno MD, De Luca A, Torsello A, Conte D, Liantonio A. Growth hormone secretagogues prevent dysregulation of skeletal muscle calcium homeostasis in a rat model of cisplatin-induced cachexia. J Cachexia Sarcopenia Muscle 2017; 8:386-404. [PMID: 28294567 PMCID: PMC5703021 DOI: 10.1002/jcsm.12185] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 12/21/2016] [Accepted: 12/28/2016] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Cachexia is a wasting condition associated with cancer types and, at the same time, is a serious and dose-limiting side effect of cancer chemotherapy. Skeletal muscle loss is one of the main characteristics of cachexia that significantly contributes to the functional muscle impairment. Calcium-dependent signaling pathways are believed to play an important role in skeletal muscle decline observed in cachexia, but whether intracellular calcium homeostasis is affected in this situation remains uncertain. Growth hormone secretagogues (GHS), a family of synthetic agonists of ghrelin receptor (GHS-R1a), are being developed as a therapeutic option for cancer cachexia syndrome; however, the exact mechanism by which GHS interfere with skeletal muscle is not fully understood. METHODS By a multidisciplinary approach ranging from cytofluorometry and electrophysiology to gene expression and histology, we characterized the calcium homeostasis in fast-twitch extensor digitorum longus (EDL) muscle of adult rats with cisplatin-induced cachexia and established the potential beneficial effects of two GHS (hexarelin and JMV2894) at this level. Additionally, in vivo measures of grip strength and of ultrasonography recordings allowed us to evaluate the functional impact of GHS therapeutic intervention. RESULTS Cisplatin-treated EDL muscle fibres were characterized by a ~18% significant reduction of the muscle weight and fibre diameter together with an up-regulation of atrogin1/Murf-1 genes and a down-regulation of Pgc1-a gene, all indexes of muscle atrophy, and by a two-fold increase in resting intracellular calcium, [Ca2+ ]i , compared with control rats. Moreover, the amplitude of the calcium transient induced by caffeine or depolarizing high potassium solution as well as the store-operated calcium entry were ~50% significantly reduced in cisplatin-treated rats. Calcium homeostasis dysregulation parallels with changes of functional ex vivo (excitability and resting macroscopic conductance) and in vivo (forelimb force and muscle volume) outcomes in cachectic animals. Administration of hexarelin or JMV2894 markedly reduced the cisplatin-induced alteration of calcium homeostasis by both common as well as drug-specific mechanisms of action. This effect correlated with muscle function preservation as well as amelioration of various atrophic indexes, thus supporting the functional impact of GHS activity on calcium homeostasis. CONCLUSIONS Our findings provide a direct evidence that a dysregulation of calcium homeostasis plays a key role in cisplatin-induced model of cachexia gaining insight into the etiopathogenesis of this form of muscle wasting. Furthermore, our demonstration that GHS administration efficaciously prevents cisplatin-induced calcium homeostasis alteration contributes to elucidate the mechanism of action through which GHS could potentially ameliorate chemotherapy-associated cachexia.
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Affiliation(s)
- Elena Conte
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | | | - Antonietta Mele
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Michela De Bellis
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Sabata Pierno
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Francesco Rana
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Adriano Fonzino
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Roberta Caloiero
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Laura Rizzi
- Department of Medicine and SurgeryUniversity of Milano‐BicoccaVia Cadore 4820900MonzaItaly
| | - Elena Bresciani
- Department of Medicine and SurgeryUniversity of Milano‐BicoccaVia Cadore 4820900MonzaItaly
| | - Khoubaib Ben Haj Salah
- Max Mousseron Institute of Biomolecules UMR5247, CNRSUniversity of Montpellier, ENSCMAvenue Charles Flahault BP 14491Montpellier Cedex 5France
| | - Jean‐Alain Fehrentz
- Max Mousseron Institute of Biomolecules UMR5247, CNRSUniversity of Montpellier, ENSCMAvenue Charles Flahault BP 14491Montpellier Cedex 5France
| | - Jean Martinez
- Max Mousseron Institute of Biomolecules UMR5247, CNRSUniversity of Montpellier, ENSCMAvenue Charles Flahault BP 14491Montpellier Cedex 5France
| | - Arcangela Giustino
- Department of Biomedical Sciences and Human OncologyUniversity of BariPiazza Giulio Cesare70125BariItaly
| | - Maria Addolorata Mariggiò
- Department of Biomedical Sciences and Human OncologyUniversity of BariPiazza Giulio Cesare70125BariItaly
| | - Mauro Coluccia
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Domenico Tricarico
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | | | - Annamaria De Luca
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Antonio Torsello
- Department of Medicine and SurgeryUniversity of Milano‐BicoccaVia Cadore 4820900MonzaItaly
| | - Diana Conte
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
| | - Antonella Liantonio
- Department of Pharmacy – Drug SciencesUniversity of BariVia Orabona 470125BariItaly
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16
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Mele A, Fonzino A, Rana F, Camerino GM, De Bellis M, Conte E, Giustino A, Conte Camerino D, Desaphy JF. In vivo longitudinal study of rodent skeletal muscle atrophy using ultrasonography. Sci Rep 2016; 6:20061. [PMID: 26832124 PMCID: PMC4735519 DOI: 10.1038/srep20061] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 12/23/2015] [Indexed: 11/28/2022] Open
Abstract
Muscle atrophy is a widespread ill condition occurring in many diseases, which can reduce quality of life and increase morbidity and mortality. We developed a new method using non-invasive ultrasonography to measure soleus and gastrocnemius lateralis muscle atrophy in the hindlimb-unloaded rat, a well-accepted model of muscle disuse. Soleus and gastrocnemius volumes were calculated using the conventional truncated-cone method and a newly-designed sinusoidal method. For Soleus muscle, the ultrasonographic volume determined in vivo with either method was linearly correlated to the volume determined ex-vivo from excised muscles as muscle weight-to-density ratio. For both soleus and gastrocnemius muscles, a strong linear correlation was obtained between the ultrasonographic volume and the muscle fiber cross-sectional area determined ex-vivo on muscle cryosections. Thus ultrasonography allowed the longitudinal in vivo evaluation of muscle atrophy progression during hindlimb unloading. This study validates ultrasonography as a powerful method for the evaluation of rodent muscle atrophy in vivo, which would prove useful in disease models and therapeutic trials.
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Affiliation(s)
- Antonietta Mele
- Section of Pharmacology, Department of Pharmacy & Drug Sciences, University of Bari Aldo Moro, Bari, 70125 Italy
| | - Adriano Fonzino
- Section of Pharmacology, Department of Pharmacy & Drug Sciences, University of Bari Aldo Moro, Bari, 70125 Italy
| | - Francesco Rana
- Section of Pharmacology, Department of Pharmacy & Drug Sciences, University of Bari Aldo Moro, Bari, 70125 Italy
| | - Giulia Maria Camerino
- Section of Pharmacology, Department of Pharmacy & Drug Sciences, University of Bari Aldo Moro, Bari, 70125 Italy
| | - Michela De Bellis
- Section of Pharmacology, Department of Pharmacy & Drug Sciences, University of Bari Aldo Moro, Bari, 70125 Italy
| | - Elena Conte
- Section of Pharmacology, Department of Pharmacy & Drug Sciences, University of Bari Aldo Moro, Bari, 70125 Italy
| | - Arcangela Giustino
- Department of Biomedical Sciences & Human Oncology, Polyclinic Biological Research Institute, University of Bari Aldo Moro, P.zza Giulio Cesare 11, Bari, 70124 Italy
| | - Diana Conte Camerino
- Section of Pharmacology, Department of Pharmacy & Drug Sciences, University of Bari Aldo Moro, Bari, 70125 Italy
| | - Jean-François Desaphy
- Department of Biomedical Sciences & Human Oncology, Polyclinic Biological Research Institute, University of Bari Aldo Moro, P.zza Giulio Cesare 11, Bari, 70124 Italy
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17
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Rea G, Cristofaro F, Pani G, Pascucci B, Ghuge SA, Corsetto PA, Imbriani M, Visai L, Rizzo AM. Microgravity-driven remodeling of the proteome reveals insights into molecular mechanisms and signal networks involved in response to the space flight environment. J Proteomics 2015; 137:3-18. [PMID: 26571091 DOI: 10.1016/j.jprot.2015.11.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 11/02/2015] [Accepted: 11/04/2015] [Indexed: 12/21/2022]
Abstract
UNLABELLED Space is a hostile environment characterized by high vacuum, extreme temperatures, meteoroids, space debris, ionospheric plasma, microgravity and space radiation, which all represent risks for human health. A deep understanding of the biological consequences of exposure to the space environment is required to design efficient countermeasures to minimize their negative impact on human health. Recently, proteomic approaches have received a significant amount of attention in the effort to further study microgravity-induced physiological changes. In this review, we summarize the current knowledge about the effects of microgravity on microorganisms (in particular Cupriavidus metallidurans CH34, Bacillus cereus and Rhodospirillum rubrum S1H), plants (whole plants, organs, and cell cultures), mammalian cells (endothelial cells, bone cells, chondrocytes, muscle cells, thyroid cancer cells, immune system cells) and animals (invertebrates, vertebrates and mammals). Herein, we describe their proteome's response to microgravity, focusing on proteomic discoveries and their future potential applications in space research. BIOLOGICAL SIGNIFICANCE Space experiments and operational flight experience have identified detrimental effects on human health and performance because of exposure to weightlessness, even when currently available countermeasures are implemented. Many experimental tools and methods have been developed to study microgravity induced physiological changes. Recently, genomic and proteomic approaches have received a significant amount of attention. This review summarizes the recent research studies of the proteome response to microgravity inmicroorganisms, plants, mammalians cells and animals. Current proteomic tools allow large-scale, high-throughput analyses for the detection, identification, and functional investigation of all proteomes. Understanding gene and/or protein expression is the key to unlocking the mechanisms behind microgravity-induced problems and to finding effective countermeasures to spaceflight-induced alterations but also for the study of diseases on earth. Future perspectives are also highlighted.
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Affiliation(s)
- Giuseppina Rea
- Institute of Crystallography, National Research Council of Italy (CNR), Via Salaria km 29.300, 00015 Monterotondo Scalo, Rome, Italy
| | - Francesco Cristofaro
- Department of Molecular Medicine, Center for Health Technologies (CHT), University of Pavia, Via Taramelli 3/b, 27100 Pavia, Italy
| | - Giuseppe Pani
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Via D. Trentacoste 2, 20134 Milan, Italy
| | - Barbara Pascucci
- Institute of Crystallography, National Research Council of Italy (CNR), Via Salaria km 29.300, 00015 Monterotondo Scalo, Rome, Italy
| | - Sandip A Ghuge
- Institute of Crystallography, National Research Council of Italy (CNR), Via Salaria km 29.300, 00015 Monterotondo Scalo, Rome, Italy
| | - Paola Antonia Corsetto
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Via D. Trentacoste 2, 20134 Milan, Italy
| | - Marcello Imbriani
- Department of Public Health, Experimental Medicine and Forensics, University of Pavia, V.le Forlanini 8, Pavia, Italy; Department of Occupational Medicine, Toxicology and Environmental Risks, S. Maugeri Foundation, IRCCS, Via S. Boezio 28, 27100 Pavia, Italy
| | - Livia Visai
- Department of Molecular Medicine, Center for Health Technologies (CHT), University of Pavia, Via Taramelli 3/b, 27100 Pavia, Italy; Department of Occupational Medicine, Toxicology and Environmental Risks, S. Maugeri Foundation, IRCCS, Via S. Boezio 28, 27100 Pavia, Italy.
| | - Angela M Rizzo
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Via D. Trentacoste 2, 20134 Milan, Italy
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18
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Ohira T, Kawano F, Ohira T, Goto K, Ohira Y. Responses of skeletal muscles to gravitational unloading and/or reloading. J Physiol Sci 2015; 65:293-310. [PMID: 25850921 PMCID: PMC10717835 DOI: 10.1007/s12576-015-0375-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 03/17/2015] [Indexed: 02/04/2023]
Abstract
Adaptation of morphological, metabolic, and contractile properties of skeletal muscles to inhibition of antigravity activities by exposure to a microgravity environment or by simulation models, such as chronic bedrest in humans or hindlimb suspension in rodents, has been well reported. Such physiological adaptations are generally detrimental in daily life on earth. Since the development of suitable countermeasure(s) is essential to prevent or inhibit these adaptations, effects of neural, mechanical, and metabolic factors on these properties in both humans and animals were reviewed. Special attention was paid to the roles of the motoneurons (both efferent and afferent neurograms) and electromyogram activities as the neural factors, force development, and/or length of sarcomeres as the mechanical factors and mitochondrial bioenergetics as the metabolic factors.
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Affiliation(s)
- Takashi Ohira
- Space Biomedical Research Office, Japan Aerospace Exploration Agency, Tsukuba, Ibaraki 305-8505 Japan
| | - Fuminori Kawano
- Graduate School of Medicine, Osaka University, Toyonaka, Osaka 560-0043 Japan
| | - Tomotaka Ohira
- Graduate School of Health Sciences, Toyohashi SOZO University, Toyohashi, Aichi 440-8511 Japan
| | - Katsumasa Goto
- Graduate School of Health Sciences, Toyohashi SOZO University, Toyohashi, Aichi 440-8511 Japan
| | - Yoshinobu Ohira
- Graduate School of Health and Sports Science, Doshisha University, Miyakodani 1-3, Tatara, Kyotanabe, Kyoto 610-0394 Japan
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19
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Camerino GM, Desaphy JF, De Bellis M, Capogrosso RF, Cozzoli A, Dinardo MM, Caloiero R, Musaraj K, Fonzino A, Conte E, Jagerschmidt C, Namour F, Liantonio A, De Luca A, Conte Camerino D, Pierno S. Effects of Nandrolone in the Counteraction of Skeletal Muscle Atrophy in a Mouse Model of Muscle Disuse: Molecular Biology and Functional Evaluation. PLoS One 2015; 10:e0129686. [PMID: 26066046 PMCID: PMC4466268 DOI: 10.1371/journal.pone.0129686] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 05/12/2015] [Indexed: 11/29/2022] Open
Abstract
Muscle disuse produces severe atrophy and a slow-to-fast phenotype transition in the postural Soleus (Sol) muscle of rodents. Antioxidants, amino-acids and growth factors were ineffective to ameliorate muscle atrophy. Here we evaluate the effects of nandrolone (ND), an anabolic steroid, on mouse skeletal muscle atrophy induced by hindlimb unloading (HU). Mice were pre-treated for 2-weeks before HU and during the 2-weeks of HU. Muscle weight and total protein content were reduced in HU mice and a restoration of these parameters was found in ND-treated HU mice. The analysis of gene expression by real-time PCR demonstrates an increase of MuRF-1 during HU but minor involvement of other catabolic pathways. However, ND did not affect MuRF-1 expression. The evaluation of anabolic pathways showed no change in mTOR and eIF2-kinase mRNA expression, but the protein expression of the eukaryotic initiation factor eIF2 was reduced during HU and restored by ND. Moreover we found an involvement of regenerative pathways, since the increase of MyoD observed after HU suggests the promotion of myogenic stem cell differentiation in response to atrophy. At the same time, Notch-1 expression was down-regulated. Interestingly, the ND treatment prevented changes in MyoD and Notch-1 expression. On the contrary, there was no evidence for an effect of ND on the change of muscle phenotype induced by HU, since no effect of treatment was observed on the resting gCl, restCa and contractile properties in Sol muscle. Accordingly, PGC1α and myosin heavy chain expression, indexes of the phenotype transition, were not restored in ND-treated HU mice. We hypothesize that ND is unable to directly affect the phenotype transition when the specialized motor unit firing pattern of stimulation is lacking. Nevertheless, through stimulation of protein synthesis, ND preserves protein content and muscle weight, which may result advantageous to the affected skeletal muscle for functional recovery.
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Affiliation(s)
- Giulia Maria Camerino
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Jean-François Desaphy
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Michela De Bellis
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | | | - Anna Cozzoli
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Maria Maddalena Dinardo
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Roberta Caloiero
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Kejla Musaraj
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Adriano Fonzino
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Elena Conte
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | | | | | - Antonella Liantonio
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Annamaria De Luca
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Diana Conte Camerino
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
| | - Sabata Pierno
- Section of Pharmacology, Dept. of Pharmacy & Drug Sciences, University of Bari “Aldo Moro”, Bari, Italy
- * E-mail:
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