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Murgia M, Rittweger J, Reggiani C, Bottinelli R, Mann M, Schiaffino S, Narici MV. Spaceflight on the ISS changed the skeletal muscle proteome of two astronauts. NPJ Microgravity 2024; 10:60. [PMID: 38839773 PMCID: PMC11153545 DOI: 10.1038/s41526-024-00406-3] [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: 02/05/2024] [Accepted: 05/22/2024] [Indexed: 06/07/2024] Open
Abstract
Skeletal muscle undergoes atrophy and loss of force during long space missions, when astronauts are persistently exposed to altered gravity and increased ionizing radiation. We previously carried out mass spectrometry-based proteomics from skeletal muscle biopsies of two astronauts, taken before and after a mission on the International Space Station. The experiments were part of an effort to find similarities between spaceflight and bed rest, a ground-based model of unloading, focused on proteins located at the costameres. We here extend the data analysis of the astronaut dataset and show compartment-resolved changes in the mitochondrial proteome, remodeling of the extracellular matrix and of the antioxidant response. The astronauts differed in their level of onboard physical exercise, which correlated with their respective preservation of muscle mass and force at landing in previous analyses. We show that the mitochondrial proteome downregulation during spaceflight, particularly the inner membrane and matrix, was dramatic for both astronauts. The expression of autophagy regulators and reactive oxygen species scavengers, however, showed partially opposite expression trends in the two subjects, possibly correlating with their level of onboard exercise. As mitochondria are primarily affected in many different tissues during spaceflight, we hypothesize that reactive oxygen species (ROS) rather than mechanical unloading per se could be the primary cause of skeletal muscle mitochondrial damage in space. Onboard physical exercise might have a strong direct effect on the prevention of muscle atrophy through mechanotransduction and a subsidiary effect on mitochondrial quality control, possibly through upregulation of autophagy and anti-oxidant responses.
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Affiliation(s)
- Marta Murgia
- Department of Biomedical Sciences, University of Padova, 35131, Padua, Italy.
- Max-Planck-Institute of Biochemistry, 82152, Martinsried, Germany.
| | - Jörn Rittweger
- Institute of Aerospace Medicine, German Aerospace Center, Cologne, Germany
- Department of Pediatrics and Adolescent Medicine, University Hospital Cologne, Cologne, Germany
| | - Carlo Reggiani
- Department of Biomedical Sciences, University of Padova, 35131, Padua, Italy
- Science and Research Center Koper, Institute for Kinesiology Research, 6000, Koper, Slovenia
| | - Roberto Bottinelli
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
- IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Matthias Mann
- Department of Biomedical Sciences, University of Padova, 35131, Padua, Italy
- NNF Center for Protein Research, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | - Marco V Narici
- Department of Biomedical Sciences, University of Padova, 35131, Padua, Italy
- Science and Research Center Koper, Institute for Kinesiology Research, 6000, Koper, Slovenia
- CIR-MYO Myology Center, 35121, Padua, Italy
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2
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Wang M, Chen S, Zhong C, Liu L, Wang G, Huang X, Yang X, Yang H, Li L. The influence of simulated weightlessness on the composition and function of gut microbiota and bile acid metabolism products. LIFE SCIENCES IN SPACE RESEARCH 2024; 41:18-28. [PMID: 38670645 DOI: 10.1016/j.lssr.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 11/15/2023] [Accepted: 01/08/2024] [Indexed: 04/28/2024]
Abstract
The aim of this study was to investigate the effects of simulated weightlessness on gut microbiota, bile acid metabolism, and inflammatory cytokines compared to the control group. The study compared the changes in gut microbiota at the phylum and genus levels in the feces of control and weightlessness rats after 1 and 8 weeks using fecal 16S rRNA sequencing. In the weightlessness group, there was an increase in the proportion of anaerobic bacteria and biofilm-forming bacteria, and a decrease in the proportion of aerobic and Gram-negative bacteria. Further investigations explored the impact of weightlessness on bile acid metabolism products. The levels of glycine ursodeoxycholic acid, glycine chenodeoxycholic acid, glycine deoxycholic acid and glycine cholic acid levels were lower in rats undergoing weightlessness for 1 week compared to the control group.Moreover, the study examined the relationship between gut microbiota and bile acid metabolism products.It was observed that, unlike the control group, there were significant positive correlations between Planctomycetes, Proteobacteria, Synergistetes, and GUDCA levels in rats after 1 week of weightlessness. Finally, ELISA results indicated significant differences in the levels of MDA, GSH, NLRP3, and SIgA inflammatory cytokines between rats undergoing weightlessness for 1 week and the control group rats. Our research confirmed that the simulated weightlessness environment significantly affects the gut microbiota and bile acid metabolism in rats, potentially leading to changes in inflammatory cytokines and causing intestinal tissue inflammation. Further exploring the relationship between gut microbiota and bile acid metabolism under weightless conditions will be crucial for understanding the functional changes in the intestines caused by weightlessness.
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Affiliation(s)
- Min Wang
- Department of Gastroenterology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China
| | - Sheng Chen
- Department of Gastroenterology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China
| | - Changqing Zhong
- Department of Gastroenterology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China
| | - Lei Liu
- Department of Gastroenterology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China
| | - Guodong Wang
- Department of Gastroenterology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China
| | - Xin Huang
- Department of Gastroenterology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China
| | - Xiaoman Yang
- Department of Pathology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China
| | - Heming Yang
- Department of General Surgery, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China.
| | - Lianyong Li
- Department of Gastroenterology, PLA Strategic Support Force Characteristic Medical Center, No. 9 Anxiang North Lane, Chaoyang District, Beijing 100101, China.
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3
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Ino Y, Ohira T, Kumagai K, Nakai Y, Akiyama T, Moriyama K, Takeda Y, Saito T, Ryo A, Inaba Y, Hirano H, Kimura Y. Identification of mouse soleus muscle proteins altered in response to changes in gravity loading. Sci Rep 2023; 13:15768. [PMID: 37737267 PMCID: PMC10517164 DOI: 10.1038/s41598-023-42875-8] [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: 04/03/2023] [Accepted: 09/15/2023] [Indexed: 09/23/2023] Open
Abstract
Gravity-dependent physical processes strongly affect the ability of elderly people to maintain musculoskeletal health by reducing muscle atrophy and increasing bone mineral density, thereby increasing quality of life. A need therefore exists to identify molecules in the musculoskeletal system that are responsive to gravitational loading and to establish an objective indicator for the maintenance of healthy musculoskeletal systems. Here, we performed an integrated assessment of the results of soleus muscle proteomic analyses in three model mouse experiments under different gravity environments (hypergravity, hindlimb unloading, and spaceflight). Myl6b, Gpd1, Fbp2, Pvalb, and Actn3 were shown to be gravity-responsive muscle proteins, and alterations in the levels of these proteins indicated changes in muscle fiber type to slow-twitch type due to gravity loading. In addition, immunoblotting and enzyme-linked immunosorbent assays revealed that Pvalb levels in the sera of hindlimb-unloaded mice and osteoporosis patients were higher than in control subjects, suggesting that Pvalb levels might be useful to objectively evaluate soleus muscle atrophy and bone loss.
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Affiliation(s)
- Yoko Ino
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan
| | - Takashi Ohira
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan.
- Department of Physiology and Regenerative Medicine, Kindai University Faculty of Medicine, Ohno-Higashi 377-2, Osaka-Sayama, Osaka, Japan.
| | - Ken Kumagai
- Department of Orthopaedic Surgery, Yokohama City University School of Medicine, Yokohama, Japan
| | - Yusuke Nakai
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan
| | - Tomoko Akiyama
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan
| | - Kayano Moriyama
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan
| | - Yuriko Takeda
- Department of Biostatistics, Yokohama City University School of Medicine, Yokohama, Japan
| | | | - Akihide Ryo
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan
| | - Yutaka Inaba
- Department of Orthopaedic Surgery, Yokohama City University School of Medicine, Yokohama, Japan
| | - Hisashi Hirano
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan
| | - Yayoi Kimura
- Advanced Medical Research Center, Yokohama City University, Fukuura 3-9, Kanazawa-Ku, Yokohama, 236-0004, Japan.
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4
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Baranowski RW, Braun JL, Hockey BL, Yumol JL, Geromella MS, Watson CJ, Kurgan N, Messner HN, Whitley KC, MacNeil AJ, Gauquelin-Koch G, Bertile F, Gittings W, Vandenboom R, Ward WE, Fajardo VA. Toward countering muscle and bone loss with spaceflight: GSK3 as a potential target. iScience 2023; 26:107047. [PMID: 37360691 PMCID: PMC10285634 DOI: 10.1016/j.isci.2023.107047] [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: 12/19/2022] [Revised: 05/15/2023] [Accepted: 06/01/2023] [Indexed: 06/28/2023] Open
Abstract
We examined the effects of ∼30 days of spaceflight on glycogen synthase kinase 3 (GSK3) content and inhibitory serine phosphorylation in murine muscle and bone samples from four separate missions (BION-M1, rodent research [RR]1, RR9, and RR18). Spaceflight reduced GSK3β content across all missions, whereas its serine phosphorylation was elevated with RR18 and BION-M1. The reduction in GSK3β was linked to the reduction in type IIA fibers commonly observed with spaceflight as these fibers are particularly enriched with GSK3. We then tested the effects of inhibiting GSK3 before this fiber type shift, and we demonstrate that muscle-specific Gsk3 knockdown increased muscle mass, preserved muscle strength, and promoted the oxidative fiber type with Earth-based hindlimb unloading. In bone, GSK3 activation was enhanced after spaceflight; and strikingly, muscle-specific Gsk3 deletion increased bone mineral density in response to hindlimb unloading. Thus, future studies should test the effects of GSK3 inhibition during spaceflight.
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Affiliation(s)
- Ryan W. Baranowski
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Jessica L. Braun
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Briana L. Hockey
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Jenalyn L. Yumol
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Mia S. Geromella
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Colton J.F. Watson
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada
| | - Nigel Kurgan
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Holt N. Messner
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Kennedy C. Whitley
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Adam J. MacNeil
- Department of Health Sciences, Brock University, St. Catharines, ON, Canada
| | | | - Fabrice Bertile
- Hubert Curien Pluridisciplinary Institute (IPHC), CNRS, Strasbourg University, Strasbourg, France
| | - William Gittings
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Rene Vandenboom
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Wendy E. Ward
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
| | - Val A. Fajardo
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- Centre for Bone and Muscle Health, Brock University, St. Catharines, ON, Canada
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5
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Malhan D, Yalçin M, Schoenrock B, Blottner D, Relógio A. Skeletal muscle gene expression dysregulation in long-term spaceflights and aging is clock-dependent. NPJ Microgravity 2023; 9:30. [PMID: 37012297 PMCID: PMC10070655 DOI: 10.1038/s41526-023-00273-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 03/13/2023] [Indexed: 04/05/2023] Open
Abstract
The circadian clock regulates cellular and molecular processes in mammals across all tissues including skeletal muscle, one of the largest organs in the human body. Dysregulated circadian rhythms are characteristic of aging and crewed spaceflight, associated with, for example, musculoskeletal atrophy. Molecular insights into spaceflight-related alterations of circadian regulation in skeletal muscle are still missing. Here, we investigated potential functional consequences of clock disruptions on skeletal muscle using published omics datasets obtained from spaceflights and other clock-altering, external (fasting and exercise), or internal (aging) conditions on Earth. Our analysis identified alterations of the clock network and skeletal muscle-associated pathways, as a result of spaceflight duration in mice, which resembles aging-related gene expression changes observed in humans on Earth (e.g., ATF4 downregulation, associated with muscle atrophy). Furthermore, according to our results, external factors such as exercise or fasting lead to molecular changes in the core-clock network, which may compensate for the circadian disruption observed during spaceflights. Thus, maintaining circadian functioning is crucial to ameliorate unphysiological alterations and musculoskeletal atrophy reported among astronauts.
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Affiliation(s)
- Deeksha Malhan
- Institute for Theoretical Biology (ITB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany
- Molecular Cancer Research Center (MKFZ), Medical Department of Hematology, Oncology, and Tumour Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany
- Institute for Systems Medicine and Faculty of Human Medicine, MSH Medical School Hamburg, Hamburg, 20457, Germany
| | - Müge Yalçin
- Institute for Theoretical Biology (ITB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany
- Molecular Cancer Research Center (MKFZ), Medical Department of Hematology, Oncology, and Tumour Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany
- Institute for Systems Medicine and Faculty of Human Medicine, MSH Medical School Hamburg, Hamburg, 20457, Germany
| | - Britt Schoenrock
- Institute of Integrative Neuroanatomy, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany
| | - Dieter Blottner
- Institute of Integrative Neuroanatomy, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany
- Neuromuscular System and Neuromuscular Signaling, Berlin Center of Space Medicine & Extreme Environments, Berlin, 10115, Germany
| | - Angela Relógio
- Institute for Theoretical Biology (ITB), Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany.
- Molecular Cancer Research Center (MKFZ), Medical Department of Hematology, Oncology, and Tumour Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, 10117, Germany.
- Institute for Systems Medicine and Faculty of Human Medicine, MSH Medical School Hamburg, Hamburg, 20457, Germany.
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6
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Cameron SJS, Edwards A, Lambert RJ, Stroud M, Mur LAJ. Participants in the Trans-Antarctic Winter Traverse Expedition Showed Increased Bacterial Load and Diversity in Saliva but Maintained Individual Differences within Stool Microbiota and Across Metabolite Fingerprints. Int J Mol Sci 2023; 24:ijms24054850. [PMID: 36902282 PMCID: PMC10002533 DOI: 10.3390/ijms24054850] [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: 01/27/2023] [Revised: 02/28/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Understanding the impact of long-term physiological and environmental stress on the human microbiota and metabolome may be important for the success of space flight. This work is logistically difficult and has a limited number of available participants. Terrestrial analogies present important opportunities to understand changes in the microbiota and metabolome and how this may impact participant health and fitness. Here, we present work from one such analogy: the Transarctic Winter Traverse expedition, which we believe is the first assessment of the microbiota and metabolome from different bodily locations during prolonged environmental and physiological stress. Bacterial load and diversity were significantly higher during the expedition when compared with baseline levels (p < 0.001) in saliva but not stool, and only a single operational taxonomic unit assigned to the Ruminococcaceae family shows significantly altered levels in stool (p < 0.001). Metabolite fingerprints show the maintenance of individual differences across saliva, stool, and plasma samples when analysed using flow infusion electrospray mass spectrometry and Fourier transform infrared spectroscopy. Significant activity-associated changes in terms of both bacterial diversity and load are seen in saliva but not in stool, and participant differences in metabolite fingerprints persist across all three sample types.
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Affiliation(s)
- Simon J. S. Cameron
- Institute for Global Food Security, School of Biological Sciences, Queen’s University Belfast, Chlorine Gardens, Belfast BT9 5DL, UK
- Correspondence: (S.J.S.C.); (L.A.J.M.)
| | - Arwyn Edwards
- Institute of Biological, Environmental and Rural Sciences, Edward Llywd Building, Penglais Campus, Aberystwyth SY23 3FG, UK
| | - Robert J. Lambert
- Department of Orthopaedics, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK
| | - Mike Stroud
- NIHR BRC Nutrition, University of Southampton Medical School, Southampton SO16 6YD, UK
| | - Luis A. J. Mur
- Institute of Biological, Environmental and Rural Sciences, Edward Llywd Building, Penglais Campus, Aberystwyth SY23 3FG, UK
- Correspondence: (S.J.S.C.); (L.A.J.M.)
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7
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Chen J, Li Z, Zhang Y, Zhang X, Zhang S, Liu Z, Yuan H, Pang X, Liu Y, Tao W, Chen X, Zhang P, Chen GQ. Mechanism of reduced muscle atrophy via ketone body (D)-3-hydroxybutyrate. Cell Biosci 2022; 12:94. [PMID: 35725651 PMCID: PMC9208164 DOI: 10.1186/s13578-022-00826-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 06/03/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Muscle atrophy is an increasingly global health problem affecting millions, there is a lack of clinical drugs or effective therapy. Excessive loss of muscle mass is the typical characteristic of muscle atrophy, manifesting as muscle weakness accompanied by impaired metabolism of protein and nucleotide. (D)-3-hydroxybutyrate (3HB), one of the main components of the ketone body, has been reported to be effective for the obvious hemodynamic effects in atrophic cardiomyocytes and exerts beneficial metabolic reprogramming effects in healthy muscle. This study aims to exploit how the 3HB exerts therapeutic effects for treating muscle atrophy induced by hindlimb unloaded mice. RESULTS Anabolism/catabolism balance of muscle protein was maintained with 3HB via the Akt/FoxO3a and the mTOR/4E-BP1 pathways; protein homeostasis of 3HB regulation includes pathways of ubiquitin-proteasomal, autophagic-lysosomal, responses of unfolded-proteins, heat shock and anti-oxidation. Metabolomic analysis revealed the effect of 3HB decreased purine degradation and reduced the uric acid in atrophied muscles; enhanced utilization from glutamine to glutamate also provides evidence for the promotion of 3HB during the synthesis of proteins and nucleotides. CONCLUSIONS 3HB significantly inhibits the loss of muscle weights, myofiber sizes and myofiber diameters in hindlimb unloaded mouse model; it facilitates positive balance of proteins and nucleotides with enhanced accumulation of glutamate and decreased uric acid in wasting muscles, revealing effectiveness for treating muscle atrophy.
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Affiliation(s)
- Jin Chen
- School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Zihua Li
- School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Yudian Zhang
- School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Xu Zhang
- School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Shujie Zhang
- School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Zonghan Liu
- National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Huimei Yuan
- National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Xiangsheng Pang
- National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Yaxuan Liu
- National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Wuchen Tao
- National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094, China
| | - Xiaoping Chen
- National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, 100094, China.
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, 100094, China.
| | - Peng Zhang
- State Key Laboratory of Space Medicine Fundamentals and Application, China Astronaut Research and Training Center, Beijing, 100094, China.
| | - Guo-Qiang Chen
- School of Life Sciences, Tsinghua University, Beijing, 100084, China.
- Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084, China.
- MOE Key Lab of Industrial Biocatalysis, Dept of Chemical Engineering, Tsinghua University, Beijing, 100084, China.
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8
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Sharlo KA, Lvova ID, Shenkman BS. Interaction of Oxidative Metabolism and Epigenetic Regulation of Gene Expression under Muscle Functional Unloading. J EVOL BIOCHEM PHYS+ 2022. [DOI: 10.1134/s0022093022030012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Deane CS, da Silveira WA, Herranz R. Space omics research in Europe: Contributions, geographical distribution and ESA member state funding schemes. iScience 2022; 25:103920. [PMID: 35265808 PMCID: PMC8898910 DOI: 10.1016/j.isci.2022.103920] [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] [Indexed: 11/16/2022] Open
Abstract
The European research community, via European Space Agency (ESA) spaceflight opportunities, has significantly contributed toward our current understanding of spaceflight biology. Recent molecular biology experiments include "omic" analysis, which provides a holistic and systems level understanding of the mechanisms underlying phenotypic adaptation. Despite vast interest in, and the immense quantity of biological information gained from space omics research, the knowledge of ESA-related space omics works as a collective remains poorly defined due to the recent exponential application of omics approaches in space and the limited search capabilities of pre-existing records. Thus, a review of such contributions is necessary to clarify and promote the development of space omics among ESA and ESA state members. To address this gap, in this review, we i) identified and summarized omics works led by European researchers, ii) geographically described these omics works, and iii) highlighted potential caveats in complex funding scenarios among ESA member states.
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Affiliation(s)
- Colleen S Deane
- Department of Sport and Health Science, College of Life and Environmental Sciences, University of Exeter, Exeter EX1 2LU, UK.,Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | | | - Willian A da Silveira
- Department of Applied Biomedical Science, Faculty of Health Sciences, University of Malta, Msida MSD, 2080, Malta
| | - Raúl Herranz
- Centro de Investigaciones Biológicas Margarita Salas (CSIC), 28040 Madrid, Spain
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10
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Tran KN, Choi JI. Mimic microgravity effect on muscle transcriptome under ionizing radiation. LIFE SCIENCES IN SPACE RESEARCH 2022; 32:96-104. [PMID: 35065767 DOI: 10.1016/j.lssr.2021.12.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/30/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Spaceflight imposes the risk of skeletal muscle atrophy for astronauts. Two main factors of a spaceflight that results in deleterious effects are microgravity and cosmic rays in outer space. To study spaceflight-induced muscle atrophy with ground-based models, we performed two models of microgravity, tail suspension and denervation, in a low dose radiation environment and studied transcriptional changes in rat soleus muscle using microarrays. Soleus muscle from rats in the denervation group had greater expression changes compared to that found in rats from the tail suspension group. However, there was a very similar pattern of expression of differentially expressed genes (DEGs) in both models. In total, we identified 144 differentially expressed genes common in both models. Our study yielded two main findings. First, a large number of genes involved in energy metabolism were transcriptionally suppressed including those involved in fatty acid transport and beta-oxidation, and oxidative phosphorylation. Second, slow-twitch contractile protein encoding genes were down-regulated while there was an up-regulation in the fast-twitch type transcription. These results were consistent with other spaceflight studies on the effects on muscle cells, hence showed the potential of our ground-based models in studying spaceflight effects. The genes that might be involved in spaceflight effects will serve as candidate genes for future studies in understanding the mechanism of spaceflight-induced muscle atrophy and result in the development of effective countermeasures.
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Affiliation(s)
- Kim Ngan Tran
- Department of Biotechnology and Bioengineering, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Jong-Il Choi
- Department of Biotechnology and Bioengineering, Chonnam National University, Gwangju 61186, Republic of Korea.
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11
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Schulz H, Strauch SM, Richter P, Wehland M, Krüger M, Sahana J, Corydon TJ, Wise P, Baran R, Lebert M, Grimm D. Latest knowledge about changes in the proteome in microgravity. Expert Rev Proteomics 2022; 19:43-59. [PMID: 35037812 DOI: 10.1080/14789450.2022.2030711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
INTRODUCTION : A long-term stay of humans in space causes a large number of well-known health problems and changes in protists and plants. Deep space exploration will increase the time humans or rodents will spend in microgravity (µg). Moreover, they are exposed to cosmic radiation, hypodynamia, and isolation. OMICS investigations will increase our knowledge of the underlying mechanisms of µg-induced alterations in vivo and in vitro. AREAS COVERED : We summarize the findings over the recent 3 years on µg-induced changes in the proteome of protists, plants, rodent and human cells. Considering the thematic orientation of microgravity-related publications in that time frame, we focus on medicine-associated findings such as the µg-induced antibiotic resistance of bacteria, the myocardial consequences of µg-induced calpain activation and the role of MMP13 in osteoarthritis. All these point to the fact that µg is an extreme stressor that could not be evolutionarily addressed on Earth. EXPERT COMMENTARY : In conclusion, when interpreting µg-experiments, the direct, mostly unspecific stress response, must be distinguished from specific µg-effects. For this reason, recent studies often do not consider single protein findings but place them in the context of protein-protein interactions. This enables an estimation of functional relationships, especially if these are supported by epigenetic and transcriptional data (multi-omics).
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Affiliation(s)
- Herbert Schulz
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany.,Research Group 'Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen' (MARS), Otto-von-Guericke University, Magdeburg, Germany
| | - Sebastian M Strauch
- Postgraduate Program in Health and Environment, University of Joinville Region, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89219-710, Brazil
| | - Peter Richter
- Gravitational Biology Group, Department of Biology, Friedrich-Alexander University, Staudtstraße 5, 91058 Erlangen, Germany
| | - Markus Wehland
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany.,Research Group 'Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen' (MARS), Otto-von-Guericke University, Magdeburg, Germany
| | - Marcus Krüger
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany.,Research Group 'Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen' (MARS), Otto-von-Guericke University, Magdeburg, Germany
| | | | - Thomas J Corydon
- Department of Biomedicine, Aarhus University, Aarhus C, Denmark.,Department of Ophthalmology, Aarhus University Hospital, Aarhus C, Denmark
| | - Petra Wise
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany.,The Saban Research Institute, Children's Hospital Los Angeles, University of Southern California, Los Angeles, USA
| | - Ronni Baran
- Department of Biomedicine, Aarhus University, Aarhus C, Denmark
| | - Michael Lebert
- Gravitational Biology Group, Department of Biology, Friedrich-Alexander University, Staudtstraße 5, 91058 Erlangen, Germany.,Space Biology Unlimited SAS, 24 Cours de l'Intendance, 33000 Bordeaux, France
| | - Daniela Grimm
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, Magdeburg, Germany.,Research Group 'Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen' (MARS), Otto-von-Guericke University, Magdeburg, Germany.,Department of Biomedicine, Aarhus University, Aarhus C, Denmark
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12
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The effects of real and simulated microgravity on cellular mitochondrial function. NPJ Microgravity 2021; 7:44. [PMID: 34750383 PMCID: PMC8575887 DOI: 10.1038/s41526-021-00171-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 10/07/2021] [Indexed: 11/22/2022] Open
Abstract
Astronauts returning from space shuttle missions or the International Space Station have been diagnosed with various health problems such as bone demineralization, muscle atrophy, cardiovascular deconditioning, and vestibular and sensory imbalance including visual acuity, altered metabolic and nutritional status, and immune system dysregulation. These health issues are associated with oxidative stress caused by a microgravity environment. Mitochondria are a source of reactive oxygen species (ROS). However, the molecular mechanisms through which mitochondria produce ROS in a microgravity environment remain unclear. Therefore, this review aimed to explore the mechanism through which microgravity induces oxidative damage in mitochondria by evaluating the expression of genes and proteins, as well as relevant metabolic pathways. In general, microgravity-induced ROS reduce mitochondrial volume by mainly affecting the efficiency of the respiratory chain and metabolic pathways. The impaired respiratory chain is thought to generate ROS through premature electron leakage in the electron transport chain. The imbalance between ROS production and antioxidant defense in mitochondria is the main cause of mitochondrial stress and damage, which leads to mitochondrial dysfunction. Moreover, we discuss the effects of antioxidants against oxidative stress caused by the microgravity environment space microgravity in together with simulated microgravity (i.e., spaceflight or ground-based spaceflight analogs: parabolic flight, centrifugal force, drop towers, etc.). Further studies should be taken to explore the effects of microgravity on mitochondrial stress-related diseases, especially for the development of new therapeutic drugs that can help increase the health of astronauts on long space missions.
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13
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Characterizing SERCA Function in Murine Skeletal Muscles after 35-37 Days of Spaceflight. Int J Mol Sci 2021; 22:ijms222111764. [PMID: 34769190 PMCID: PMC8584217 DOI: 10.3390/ijms222111764] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 10/25/2021] [Accepted: 10/25/2021] [Indexed: 12/17/2022] Open
Abstract
It is well established that microgravity exposure causes significant muscle weakness and atrophy via muscle unloading. On Earth, muscle unloading leads to a disproportionate loss in muscle force and size with the loss in muscle force occurring at a faster rate. Although the exact mechanisms are unknown, a role for Ca2+ dysregulation has been suggested. The sarco(endo)plasmic reticulum Ca2+ ATPase (SERCA) pump actively brings cytosolic Ca2+ into the SR, eliciting muscle relaxation and maintaining low intracellular Ca2+ ([Ca2+]i). SERCA dysfunction contributes to elevations in [Ca2+]i, leading to cellular damage, and may contribute to the muscle weakness and atrophy observed with spaceflight. Here, we investigated SERCA function, SERCA regulatory protein content, and reactive oxygen/nitrogen species (RONS) protein adduction in murine skeletal muscle after 35–37 days of spaceflight. In male and female soleus muscles, spaceflight led to drastic impairments in Ca2+ uptake despite significant increases in SERCA1a protein content. We attribute this impairment to an increase in RONS production and elevated total protein tyrosine (T) nitration and cysteine (S) nitrosylation. Contrarily, in the tibialis anterior (TA), we observed an enhancement in Ca2+ uptake, which we attribute to a shift towards a faster muscle fiber type (i.e., increased myosin heavy chain IIb and SERCA1a) without elevated total protein T-nitration and S-nitrosylation. Thus, spaceflight affects SERCA function differently between the soleus and TA.
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14
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Ohira T, Ino Y, Kimura Y, Nakai Y, Kimura A, Kurata Y, Kagawa H, Kimura M, Egashira K, Matsuda C, Ohira Y, Furukawa S, Hirano H. Effects of microgravity exposure and fructo-oligosaccharide ingestion on the proteome of soleus and extensor digitorum longus muscles in developing mice. NPJ Microgravity 2021; 7:34. [PMID: 34535681 PMCID: PMC8448765 DOI: 10.1038/s41526-021-00164-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 08/26/2021] [Indexed: 12/22/2022] Open
Abstract
Short-chain fatty acids produced by the gut bacterial fermentation of non-digestible carbohydrates, e.g., fructo-oligosaccharide (FOS), contribute to the maintenance of skeletal muscle mass and oxidative metabolic capacity. We evaluated the effect of FOS ingestion on protein expression of soleus (Sol) and extensor digitorum longus muscles in mice exposed to microgravity (μ-g). Twelve 9-week-old male C57BL/6J mice were raised individually on the International Space Station under μ-g or artificial 1-g and fed a diet with or without FOS (n = 3/group). Regardless of FOS ingestion, the absolute wet weights of both muscles tended to decrease, and the fiber phenotype in Sol muscles shifted toward fast-twitch type following μ-g exposure. However, FOS ingestion tended to mitigate the μ-g-exposure-related decrease in oxidative metabolism and enhance glutathione redox detoxification in Sol muscles. These results indicate that FOS ingestion mildly suppresses metabolic changes and oxidative stress in antigravity Sol muscles during spaceflight.
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Affiliation(s)
- Takashi Ohira
- Research Center for Space and Medical Sciences and Organization for Research Initiatives and Development, Doshisha University, Kyoto, Japan. .,Department of Physiology and Regenerative Medicine, Kindai University Faculty of Medicine, 377-2 Ohno-Higashi Osaka-Sayama, Osaka, Japan. .,Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan. .,Space Biomedical Research Group, Japan Aerospace Exploration Agency, Ibaraki, Japan.
| | - Yoko Ino
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Yayoi Kimura
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
| | - Yusuke Nakai
- Advanced Medical Research Center, Yokohama City University, Kanagawa, 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
| | - Chie Matsuda
- Space Biomedical Research Group, Japan Aerospace Exploration Agency, Ibaraki, Japan
| | - Yoshinobu Ohira
- Research Center for Space and Medical Sciences and Organization for Research Initiatives and Development, Doshisha University, Kyoto, Japan
| | - Satoshi Furukawa
- Space Biomedical Research Group, Japan Aerospace Exploration Agency, Ibaraki, Japan
| | - Hisashi Hirano
- Advanced Medical Research Center, Yokohama City University, Kanagawa, Japan
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15
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Moosavi D, Wolovsky D, Depompeis A, Uher D, Lennington D, Bodden R, Garber CE. The effects of spaceflight microgravity on the musculoskeletal system of humans and animals, with an emphasis on exercise as a countermeasure: a systematic scoping review. Physiol Res 2021; 70:119-151. [PMID: 33992043 DOI: 10.33549/physiolres.934550] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The purpose of this systematic review is twofold: 1) to identify, evaluate, and synthesize the heretofore disparate scientific literatures regarding the effects of direct exposure to microgravity on the musculoskeletal system, taking into account for the first time both bone and muscle systems of both humans and animals; and 2) to investigate the efficacy and limitations of exercise countermeasures on the musculoskeletal system under microgravity in humans.The Framework for Scoping Studies (Arksey and O'Malley 2005) and the Cochrane Handbook for Systematic Reviews of Interventions (Higgins JPT 2011) were used to guide this review. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist was utilized in obtaining the combined results (Moher, Liberati et al. 2009). Data sources, PubMed, Embase, Scopus, and Web of Science were searched for published articles through October 2019 using the Mesh terms of microgravity, musculoskeletal system, and exercise countermeasures. A total of 84 references were selected, including 40 animal studies and 44 studies with human participants. The heterogeneity in the study designs, methodologies, and outcomes deemed this review unsuitable for a meta-analysis. Thus, we present a narrative synthesis of the results for the key domains under five categories: 1) Skeletal muscle responses to microgravity in humans 2) Skeletal muscle responses to microgravity in animals 3) Adaptation of the skeletal system to microgravity in humans 4) Adaptation of the skeletal system to microgravity in animals 5) Effectiveness of exercise countermeasures on the human musculoskeletal system in microgravity. Existing studies have produced only limited data on the combined effects on bone and muscle of human spaceflight, despite the likelihood that the effects on these two systems are complicated due to the components of the musculoskeletal system being anatomically and functionally interconnected. Bone is directly affected by muscle atrophy as well as by changes in muscle strength, notably at muscle attachments. Given this interplay, the most effective exercise countermeasure is likely to be robust, individualized, resistive exercise, primarily targeting muscle mass and strength.
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Affiliation(s)
- D Moosavi
- Department of Biobehavioral Sciences, Teachers College, Columbia University. New York City, NY, United States.
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16
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Bertile F, Habold C, Le Maho Y, Giroud S. Body Protein Sparing in Hibernators: A Source for Biomedical Innovation. Front Physiol 2021; 12:634953. [PMID: 33679446 PMCID: PMC7930392 DOI: 10.3389/fphys.2021.634953] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/12/2021] [Indexed: 12/11/2022] Open
Abstract
Proteins are not only the major structural components of living cells but also ensure essential physiological functions within the organism. Any change in protein abundance and/or structure is at risk for the proper body functioning and/or survival of organisms. Death following starvation is attributed to a loss of about half of total body proteins, and body protein loss induced by muscle disuse is responsible for major metabolic disorders in immobilized patients, and sedentary or elderly people. Basic knowledge of the molecular and cellular mechanisms that control proteostasis is continuously growing. Yet, finding and developing efficient treatments to limit body/muscle protein loss in humans remain a medical challenge, physical exercise and nutritional programs managing to only partially compensate for it. This is notably a major challenge for the treatment of obesity, where therapies should promote fat loss while preserving body proteins. In this context, hibernating species preserve their lean body mass, including muscles, despite total physical inactivity and low energy consumption during torpor, a state of drastic reduction in metabolic rate associated with a more or less pronounced hypothermia. The present review introduces metabolic, physiological, and behavioral adaptations, e.g., energetics, body temperature, and nutrition, of the torpor or hibernation phenotype from small to large mammals. Hibernating strategies could be linked to allometry aspects, the need for periodic rewarming from torpor, and/or the ability of animals to fast for more or less time, thus determining the capacity of individuals to save proteins. Both fat- and food-storing hibernators rely mostly on their body fat reserves during the torpid state, while minimizing body protein utilization. A number of them may also replenish lost proteins during arousals by consuming food. The review takes stock of the physiological, molecular, and cellular mechanisms that promote body protein and muscle sparing during the inactive state of hibernation. Finally, the review outlines how the detailed understanding of these mechanisms at play in various hibernators is expected to provide innovative solutions to fight human muscle atrophy, to better help the management of obese patients, or to improve the ex vivo preservation of organs.
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Affiliation(s)
- Fabrice Bertile
- University of Strasbourg, CNRS, IPHC UMR 7178, Laboratoire de Spectrométrie de Masse Bio-Organique, Strasbourg, France
| | - Caroline Habold
- University of Strasbourg, CNRS, IPHC UMR 7178, Ecology, Physiology & Ethology Department, Strasbourg, France
| | - Yvon Le Maho
- University of Strasbourg, CNRS, IPHC UMR 7178, Ecology, Physiology & Ethology Department, Strasbourg, France.,Centre Scientifique de Monaco, Monaco, Monaco
| | - Sylvain Giroud
- Research Institute of Wildlife Ecology, Department of Interdisciplinary Life Sciences, University of Veterinary Medicine Vienna, Vienna, Austria
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17
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Lai Polo SH, Saravia-Butler AM, Boyko V, Dinh MT, Chen YC, Fogle H, Reinsch SS, Ray S, Chakravarty K, Marcu O, Chen RB, Costes SV, Galazka JM. RNAseq Analysis of Rodent Spaceflight Experiments Is Confounded by Sample Collection Techniques. iScience 2020; 23:101733. [PMID: 33376967 PMCID: PMC7756143 DOI: 10.1016/j.isci.2020.101733] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 10/04/2020] [Accepted: 10/22/2020] [Indexed: 02/07/2023] Open
Abstract
To understand the physiological changes that occur in response to spaceflight, mice are transported to the International Space Station (ISS) and housed for variable periods of time before euthanasia on-orbit or return to Earth. Sample collection under such difficult conditions introduces confounding factors that need to be identified and addressed. We found large changes in the transcriptome of mouse tissues dissected and preserved on-orbit compared with tissues from mice euthanized on-orbit, preserved, and dissected after return to Earth. Changes due to preservation method eclipsed those between flight and ground samples, making it difficult to identify spaceflight-specific changes. Follow-on experiments to interrogate the roles of euthanasia methods, tissue and carcass preservation protocols, and library preparation methods suggested that differences due to preservation protocols are exacerbated when coupled with polyA selection. This has important implications for the interpretation of existing datasets and the design of future experiments. Experimentation is necessary to understand how organisms respond to space Specialized protocols are used for preserving biological samples on the ISS RNAseq datasets are impacted by preservation protocols used on the ISS Impacts can be alleviated with improved carcass preservation protocols
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Affiliation(s)
- San-Huei Lai Polo
- KBR, NASA Ames Research Center, Moffett Field, CA 94035, USA.,NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - Amanda M Saravia-Butler
- NASA Ames Research Center, Moffett Field, CA 94035, USA.,Logyx, LLC, Mountain View, CA 94043, USA
| | - Valery Boyko
- NASA Ames Research Center, Moffett Field, CA 94035, USA.,The Bionetics Corporation, NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - Marie T Dinh
- NASA Ames Research Center, Moffett Field, CA 94035, USA.,Logyx, LLC, Mountain View, CA 94043, USA
| | - Yi-Chun Chen
- KBR, NASA Ames Research Center, Moffett Field, CA 94035, USA.,NASA Ames Research Center, Moffett Field, CA 94035, USA
| | - Homer Fogle
- NASA Ames Research Center, Moffett Field, CA 94035, USA.,The Bionetics Corporation, NASA Ames Research Center, Moffett Field, CA 94035, USA
| | | | - Shayoni Ray
- NGM Biopharmaceuticals, South San Francisco, CA 94080, USA
| | | | - Oana Marcu
- Carl Sagan Center, SETI Institute, Mountain View, CA 94043, USA
| | - Rick B Chen
- KBR, NASA Ames Research Center, Moffett Field, CA 94035, USA.,NASA Ames Research Center, Moffett Field, CA 94035, USA
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18
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Yang JQ, Jiang N, Li ZP, Guo S, Chen ZY, Li BB, Chai SB, Lu SY, Yan HF, Sun PM, Zhang T, Sun HW, Yang JW, Zhou JL, Yang HM, Cui Y. The effects of microgravity on the digestive system and the new insights it brings to the life sciences. LIFE SCIENCES IN SPACE RESEARCH 2020; 27:74-82. [PMID: 34756233 DOI: 10.1016/j.lssr.2020.07.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 07/04/2020] [Accepted: 07/28/2020] [Indexed: 06/13/2023]
Abstract
BACKGROUND Weightlessness is a component of the complex space environment. It exerts adverse effects on the human body, and may pose unknown challenges to the implementation of space missions. The regular function of the digestive system is an important checkpoint for astronauts to conduct missions. Simulated microgravity can recreate the changes experienced by the human body in a weightless environment in space to a certain extent, providing technical support for the exploration of its mechanism and a practical method for other scientific research. METHODS AND MATERIALS In the present study, we reviewed and discussed the latest research on the effects of weightlessness or simulated microgravity on the digestive system, as well as the current challenges and future expectations for progress in medical science and further space exploration. RESULTS A series of studies have investigated the effects of weightlessness on the human digestive system. On one hand, weightlessness and the changing space environment may exert certain adverse effects on the human body. Studies based on cells or animals have demonstrated the complex effects on the human digestive system in response to weightlessness. On the other hand, a microgravity environment also facilitates the ideation of novel concepts for research in the domain of life science. CONCLUSION The effects of weightlessness on the digestive system are considerably complicated. The emergence of methods that help simulate a weightless environment provides a more convenient alternative for assessing the impact and the mechanism underlying the effect of weightlessness on the human body. In addition, the simulated microgravity environment facilitates the ideation of novel concepts for application in regenerative medicine and other fields of life science.
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Affiliation(s)
- Jia-Qi Yang
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China; Department of General Surgery, the 306th Hospital of Chinese PLA-Peking University Teaching Hospital, Beijing 100101, China
| | - Nan Jiang
- The Center for Hepatopancreatobiliary Diseases, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing 102218, China
| | - Zheng-Peng Li
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Song Guo
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China; Department of General Surgery, the 306th Hospital of Chinese PLA-Peking University Teaching Hospital, Beijing 100101, China
| | - Zheng-Yang Chen
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China; Department of General Surgery, the 306th Hospital of Chinese PLA-Peking University Teaching Hospital, Beijing 100101, China
| | - Bin-Bin Li
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Shao-Bin Chai
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Sheng-Yu Lu
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China; Department of General Surgery, the 306th Hospital of Chinese PLA-Peking University Teaching Hospital, Beijing 100101, China
| | - Hong-Feng Yan
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Pei-Ming Sun
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Tao Zhang
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Hong-Wei Sun
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Jian-Wu Yang
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Jin-Lian Zhou
- Department of Pathology, the Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China.
| | - He-Ming Yang
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Yan Cui
- Department of General Surgery, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China.
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19
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Kenny HC, Tascher G, Ziemianin A, Rudwill F, Zahariev A, Chery I, Gauquelin-Koch G, Barielle MP, Heer M, Blanc S, O'Gorman DJ, Bertile F. Effectiveness of Resistive Vibration Exercise and Whey Protein Supplementation Plus Alkaline Salt on the Skeletal Muscle Proteome Following 21 Days of Bed Rest in Healthy Males. J Proteome Res 2020; 19:3438-3451. [PMID: 32609523 DOI: 10.1021/acs.jproteome.0c00256] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Muscle atrophy is a deleterious consequence of physical inactivity and is associated with increased morbidity and mortality. The aim of this study was to decipher the mechanisms involved in disuse muscle atrophy in eight healthy men using a 21 day bed rest with a cross-over design (control, with resistive vibration exercise (RVE), or RVE combined with whey protein supplementation and an alkaline salt (NEX)). The main physiological findings show a significant reduction in whole-body fat-free mass (CON -4.1%, RVE -4.3%, NEX -2.7%, p < 0.05), maximal oxygen consumption (CON -20.5%, RVE -6.46%, NEX -7.9%, p < 0.05), and maximal voluntary contraction (CON -15%, RVE -12%, and NEX -9.5%, p < 0.05) and a reduction in mitochondrial enzyme activity (CON -30.7%, RVE -31.3%, NEX -17%, p < 0.05). The benefits of nutrition and exercise countermeasure were evident with an increase in leg lean mass (CON -1.7%, RVE +8.9%, NEX +15%, p < 0.05). Changes to the vastus lateralis muscle proteome were characterized using mass spectrometry-based label-free quantitative proteomics, the findings of which suggest alterations to cell metabolism, mitochondrial metabolism, protein synthesis, and degradation pathways during bed rest. The observed changes were partially mitigated during RVE, but there were no significant pathway changes during the NEX trial. The mass spectrometry proteomics data have been deposited to the ProteomeXchange Consortium with the dataset identifier PXD006882. In conclusion, resistive vibration exercise, when combined with whey/alkalizing salt supplementation, could be an effective strategy to prevent skeletal muscle protein changes, muscle atrophy, and insulin sensitivity during medium duration bed rest.
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Affiliation(s)
- Helena C Kenny
- 3U Diabetes Partnership, School of Health and Human Performance, Dublin City University, Dublin 9, Ireland.,National Institute for Cellular and Biotechnology, Dublin City University, Dublin 9, Ireland
| | - Georg Tascher
- Département Sciences Analytiques, Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg 67087, France.,Centre National d'Etudes Spatiales (CNES), Paris 75001, France.,Institute of Biochemistry II, Goethe University Hospital, D-60590 Frankfurt am Main, Germany
| | - Anna Ziemianin
- Département Sciences Analytiques, Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg 67087, France.,Centre National d'Etudes Spatiales (CNES), Paris 75001, France
| | - Floriane Rudwill
- Départment d'Ecologie, Physiologie et Ethologie, Université de Strasbourg, Institut Pluridisiplinaire Hubert Curien. CNRS, UMR 7178, Strasbourg 67087, France
| | - Alexandre Zahariev
- Départment d'Ecologie, Physiologie et Ethologie, Université de Strasbourg, Institut Pluridisiplinaire Hubert Curien. CNRS, UMR 7178, Strasbourg 67087, France
| | - Isabelle Chery
- Départment d'Ecologie, Physiologie et Ethologie, Université de Strasbourg, Institut Pluridisiplinaire Hubert Curien. CNRS, UMR 7178, Strasbourg 67087, France
| | | | | | - Martina Heer
- Profil, Hellersbergstrasse 9, Neuss D-41460, Germany.,Institute of Nutrition and Food Sciences, University of Bonn, Bonn D-53113, Germany
| | - Stephane Blanc
- Départment d'Ecologie, Physiologie et Ethologie, Université de Strasbourg, Institut Pluridisiplinaire Hubert Curien. CNRS, UMR 7178, Strasbourg 67087, France
| | - Donal J O'Gorman
- 3U Diabetes Partnership, School of Health and Human Performance, Dublin City University, Dublin 9, Ireland.,National Institute for Cellular and Biotechnology, Dublin City University, Dublin 9, Ireland
| | - Fabrice Bertile
- Département Sciences Analytiques, Université de Strasbourg, CNRS, IPHC UMR 7178, F-67000 Strasbourg 67087, France
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Hypergravity Activates a Pro-Angiogenic Homeostatic Response by Human Capillary Endothelial Cells. Int J Mol Sci 2020; 21:ijms21072354. [PMID: 32231163 PMCID: PMC7177524 DOI: 10.3390/ijms21072354] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/23/2020] [Accepted: 03/25/2020] [Indexed: 12/15/2022] Open
Abstract
Capillary endothelial cells are responsible for homeostatic responses to organismic and environmental stimulations. When malfunctioning, they may cause disease. Exposure to microgravity is known to have negative effects on astronauts’ physiology, the endothelium being a particularly sensitive organ. Microgravity-related dysfunctions are striking similar to the consequences of sedentary life, bed rest, and ageing on Earth. Among different countermeasures implemented to minimize the effects of microgravity, a promising one is artificial gravity. We examined the effects of hypergravity on human microvascular endothelial cells of dermal capillary origin (HMEC-1) treated at 4 g for 15 min, and at 20 g for 15 min, 3 and 6 h. We evaluated cell morphology, gene expression and 2D motility and function. We found a profound rearrangement of the cytoskeleton network, dose-dependent increase of Focal Adhesion kinase (FAK) phosphorylation and Yes-associated protein 1 (YAP1) expression, suggesting cell stiffening and increased proneness to motility. Transcriptome analysis showed expression changes of genes associated with cardiovascular homeostasis, nitric oxide production, angiogenesis, and inflammation. Hypergravity-treated cells also showed significantly improved motility and function (2D migration and tube formation). These results, expanding our knowledge about the homeostatic response of capillary endothelial cells, show that adaptation to hypergravity has opposite effect compared to microgravity on the same cell type.
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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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Effects of exercise countermeasure on myocardial contractility measured by 4D speckle tracking during a 21-day head-down bed rest. Eur J Appl Physiol 2019; 119:2477-2486. [DOI: 10.1007/s00421-019-04228-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 09/09/2019] [Indexed: 01/12/2023]
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Mortreux M, Riveros D, Bouxsein ML, Rutkove SB. A Moderate Daily Dose of Resveratrol Mitigates Muscle Deconditioning in a Martian Gravity Analog. Front Physiol 2019; 10:899. [PMID: 31379604 PMCID: PMC6656861 DOI: 10.3389/fphys.2019.00899] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 06/27/2019] [Indexed: 11/22/2022] Open
Abstract
While there is a relatively good understanding of the effects of microgravity on human physiology based on five decades of experience, the physiological consequences of partial gravity remain far less well understood. Until recently, no model had been able to replicate partial gravity such as that experienced on Mars (0.38 g), which would be critical to help sustain long-term missions and ensure a safe return to Earth. Recent development of two partial weight bearing (PWB) models, one in mice and one in rats, now allows for quadrupedal partial unloading that mimics Martian gravity. Resveratrol (RSV), a polyphenol most commonly found in grapes and blueberries, has been extensively investigated for its health benefits, including its anti-inflammatory, anti-oxidative, and anti-diabetic effects. In the context of mechanical unloading, RSV has also been shown to preserve bone and muscle mass. However, there is a lack of research regarding its effect on the musculoskeletal system in partial gravity. We hypothesized that a moderate daily dose of RSV (150 mg/kg/day) would help mitigate muscle deconditioning in a Mars gravity analog. Indeed, our results demonstrate that RSV treatment during partial unloading significantly preserves muscle function (e.g., the average change in grip force after 14 days of PWB40 was of −6.18, and +10.92% when RSV was administered) and mitigates muscle atrophy (e.g., RSV supplementation led to an increase of 21.6% in soleus weight for the unloaded animals). This work suggests the potential of a nutraceutical approach to reduce musculoskeletal deconditioning on a long-term mission to Mars.
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Affiliation(s)
- Marie Mortreux
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Daniela Riveros
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Mary L Bouxsein
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
| | - Seward B Rutkove
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States
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Reptiles in Space Missions: Results and Perspectives. Int J Mol Sci 2019; 20:ijms20123019. [PMID: 31226840 PMCID: PMC6627973 DOI: 10.3390/ijms20123019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 06/04/2019] [Accepted: 06/17/2019] [Indexed: 12/17/2022] Open
Abstract
Reptiles are a rare model object for space research. However, some reptile species demonstrate effective adaptation to spaceflight conditions. The main scope of this review is a comparative analysis of reptile experimental exposure in weightlessness, demonstrating the advantages and shortcomings of this model. The description of the known reptile experiments using turtles and geckos in the space and parabolic flight experiments is provided. Behavior, skeletal bones (morphology, histology, and X-ray microtomography), internal organs, and the nervous system (morphology, histology, and immunohistochemistry) are studied in the spaceflight experiments to date, while molecular and physiological results are restricted. Therefore, the results are discussed in the scope of molecular data collected from mammalian (mainly rodents) specimens and cell cultures in the parabolic and orbital flights and simulated microgravity. The published data are compared with the results of the gecko model studies after the 12–44.5-day spaceflights with special reference to the unique peculiarities of the gecko model for the orbital experiments. The complex study of thick-toed geckos after three spaceflights, in which all geckos survived and demonstrated effective adaptation to spaceflight conditions, was performed. However, future investigations are needed to study molecular mechanisms of gecko adaptation in space.
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Strauch SM, Grimm D, Corydon TJ, Krüger M, Bauer J, Lebert M, Wise P, Infanger M, Richter P. Current knowledge about the impact of microgravity on the proteome. Expert Rev Proteomics 2018; 16:5-16. [PMID: 30451542 DOI: 10.1080/14789450.2019.1550362] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Introduction: Microgravity (µg) is an extreme stressor for plants, animals, and humans and influences biological systems. Humans in space experience various health problems during and after a long-term stay in orbit. Various studies have demonstrated structural alterations and molecular biological changes within the cellular milieu of plants, bacteria, microorganisms, animals, and cells. These data were obtained by proteomics investigations applied in gravitational biology to elucidate changes in the proteome occurring when cells or organisms were exposed to real µg (r-µg) and simulated µg (s-µg). Areas covered: In this review, we summarize the current knowledge about the impact of µg on the proteome in plants, animals, and human cells. The literature suggests that µg impacts the proteome and thus various biological processes such as angiogenesis, apoptosis, cell adhesion, cytoskeleton, extracellular matrix proteins, migration, proliferation, stress response, and signal transduction. The changes in cellular function depend on the respective cell type. Expert commentary: This data is important for the topics of gravitational biology, tissue engineering, cancer research, and translational regenerative medicine. Moreover, it may provide new ideas for countermeasures to protect the health of future space travelers.
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Affiliation(s)
- Sebastian M Strauch
- a Department of Biology, Cell Biology , Friedrich-Alexander-University Erlangen-Nuremberg , Erlangen , Germany
| | - Daniela Grimm
- b Department of Biomedicine , Aarhus University , Aarhus C , Denmark.,c Clinic and Policlinic for Plastic, Aesthetic and Hand Surgery , Otto-von-Guericke-University , Magdeburg , Germany.,d Gravitational Biology and Translational Regenerative Medicine, Faculty of Medicine and Mechanical Engineering , Otto-von-Guericke-University Magdeburg , Magdeburg , Germany
| | - Thomas J Corydon
- b Department of Biomedicine , Aarhus University , Aarhus C , Denmark.,e Department of Ophthalmology , Aarhus University Hospital , Aarhus C , Denmark
| | - Marcus Krüger
- c Clinic and Policlinic for Plastic, Aesthetic and Hand Surgery , Otto-von-Guericke-University , Magdeburg , Germany
| | - Johann Bauer
- f Max-Planck-Institute of Biochemistry, Information Retrieval Services , Martinsried , Germany
| | - Michael Lebert
- a Department of Biology, Cell Biology , Friedrich-Alexander-University Erlangen-Nuremberg , Erlangen , Germany
| | - Petra Wise
- g Charles R. Drew University of Medicine and Science, AXIS Center , Los Angeles , CA , USA
| | - Manfred Infanger
- c Clinic and Policlinic for Plastic, Aesthetic and Hand Surgery , Otto-von-Guericke-University , Magdeburg , Germany
| | - Peter Richter
- a Department of Biology, Cell Biology , Friedrich-Alexander-University Erlangen-Nuremberg , Erlangen , Germany
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Gerbaix M, White H, Courbon G, Shenkman B, Gauquelin-Koch G, Vico L. Eight Days of Earth Reambulation Worsen Bone Loss Induced by 1-Month Spaceflight in the Major Weight-Bearing Ankle Bones of Mature Mice. Front Physiol 2018; 9:746. [PMID: 29988558 PMCID: PMC6026650 DOI: 10.3389/fphys.2018.00746] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 05/28/2018] [Indexed: 02/01/2023] Open
Abstract
Spaceflight induces bone alterations with site-specific rates of bone loss according to the weight-bearing function of the bone. For the first time, this study aimed to characterize bone microarchitecture and density alterations of three ankle bones (calcaneus, navicular, and talus) of mice after spaceflight and to evaluate the impact of 8 days of Earth reambulation. Ten C57BL/6N male 4-month-old mice flew on the Bion-M1 biosatellite for 1 month; half were euthanized within 24-h of return and half after 8-days recovery on Earth. Bone microarchitecture and quality was assessed by microtomography (μCT). Whole calcaneus bone volume fraction decreased in Flight group (-6.4%, p < 0.05), and worsened in the Recovery group (-11.08%, p < 0.01), when compared to Control group. Navicular and talus trabecular bone volume fraction showed trends toward decrease in Flight and differences reached statistical significance in Recovery group (-8.16%; -8.87%, respectively; p < 0.05) when compared to Control group. At calcaneus, cortical thickness decreased in Recovery vs. Control groups (-11.69%; p < 0.01). Bone surface area, reflecting periosteal bone erosion, significantly increased in all bone sites analyzed. Qualitative analyses of 3-D bone reconstruction revealed local sites of cortical thinning and bone erosion, predominantly at articulations, muscle insertions, and ground contact bone sites. Overall, spaceflight-induced bone loss in ankle bones was site and compartment specific whilst the tissue mineral density of the remaining bone was preserved. Eight days after landing, bone status worsened as compared to immediate return.
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Affiliation(s)
- Maude Gerbaix
- French National Center for Space Studies, Paris, France.,INSERM, UMR 1059, University of Lyon, Jean Monnet University, Saint-Étienne, France
| | - Heather White
- INSERM, UMR 1059, University of Lyon, Jean Monnet University, Saint-Étienne, France
| | - Guillaume Courbon
- INSERM, UMR 1059, University of Lyon, Jean Monnet University, Saint-Étienne, France
| | - Boris Shenkman
- Institute for Biomedical Problems, Russian Academy of Sciences, Moscow, Russia
| | | | - Laurence Vico
- INSERM, UMR 1059, University of Lyon, Jean Monnet University, Saint-Étienne, France
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27
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Beheshti A, Miller J, Kidane Y, Berrios D, Gebre SG, Costes SV. NASA GeneLab Project: Bridging Space Radiation Omics with Ground Studies. Radiat Res 2018; 189:553-559. [DOI: 10.1667/rr15062.1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Afshin Beheshti
- Wyle Labs, NASA Ames Research Center, Moffett Field, California, 94035
| | - Jack Miller
- Lawrence Berkeley National Laboratory, Berkeley, California, 94720
| | - Yared Kidane
- Wyle Labs, NASA Ames Research Center, Moffett Field, California, 94035
| | - Daniel Berrios
- USRA, NASA Ames Research Center, Moffett Field, Calfornia 94035
| | - Samrawit G. Gebre
- Wyle Labs, NASA Ames Research Center, Moffett Field, California, 94035
| | - Sylvain V. Costes
- NASA Ames Research Center, Space Biosciences Division, Moffett Field, California 94035
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