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Jeong D, Lee E, Sung J, Kang S. Relationship between sleep quality and gravitational Tolerance. Sleep Breath 2024:10.1007/s11325-023-02987-x. [PMID: 38308752 DOI: 10.1007/s11325-023-02987-x] [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: 04/20/2023] [Revised: 12/06/2023] [Accepted: 12/27/2023] [Indexed: 02/05/2024]
Abstract
BACKGROUND The purpose of this study was to investigate the relationship between sleep quality and gravitational tolerance because sleep could directly affect physiological variables of the human body. METHODS For the present study, 157 male Korea Air Force Academy cadets were recruited. They were assigned into a gravity (G)-tolerance test pass group (GP, n = 87) and a G-tolerance test fail group (GF, n = 70). All participants were assessed for G-tolerance test and Pittsburgh Sleep Quality Index (PSQI), a self-report questionnaire. Physical fitness test was performed based on the physical fitness test of the Ministry of National Defense of Korea. RESULTS Independent t-test showed that PSQI global score (p < 0.001), PSQI sleep quality (p < 0.001), PSQI sleep onset latency (p = 0.009), PSQI sleep disturbance (p < 0.001), and PSQI daytime dysfunction (p < 0.001) were significantly different between the two groups. Participants with PSQI score less than 5 were more likely to have a longer G-tolerance test time (OR = 4.705, 95% CI = 2.00-11.05). Additionally, associations between those with PSQI score less than 5 (OR = 4.567, 95% CI = 1.94-10.74) were after adjusting (< 30 s and ≥ 30 s) for covariates. A negative correlation was found between G-tolerance test time and PSQI global score (p < 0.001). Negative correlations were found among 3 km running, push-up (p < 0.001), and sit-up (p < 0.001). A positive correlation was found between push-up and sit-up (p < 0.001). CONCLUSION In conclusion, participants with good sleep quality were 4.705 times more likely to have longer G-tolerance test time. Thus, it is important for aircraft pilots to manage their sleep quality. Pre-pilots should also improve their sleep quality to pass the G-tolerance test.
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Affiliation(s)
- Deokhwa Jeong
- Department of Smart Health Science and Technology, Graduate School, Kangwon National University, Gangwon-Do, Republic of Korea
- Department of Aero Fitness, Republic of Korea Air Force Academy, Chungcheongbuk-Do, Republic of Korea
| | - Eunjae Lee
- Waseda Institute for Sport Sciences, Waseda University, Saitama, Japan
- Institute of Sports and Arts Convergence (ISAC), Inha University, Incheon, Republic of Korea
| | - Junyoung Sung
- Department of Aero Fitness, Republic of Korea Air Force Academy, Chungcheongbuk-Do, Republic of Korea
| | - Sunghwun Kang
- Laboratory of Exercise Physiology, College of Art, Culture and Engineering, Kangwon National University, Gangwon-Do, Republic of Korea.
- Interdisciplinary Program in Biohealth-Machinery Convergence Engineering, Kangwon National University, Gangwon-Do, Republic of Korea.
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2
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Hicks J, Olson M, Mitchell C, Juran CM, Paul AM. The Impact of Microgravity on Immunological States. Immunohorizons 2023; 7:670-682. [PMID: 37855736 PMCID: PMC10615652 DOI: 10.4049/immunohorizons.2200063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 09/13/2023] [Indexed: 10/20/2023] Open
Abstract
As we explore other planetary bodies, astronauts will face unique environmental and physiological challenges. The human immune system has evolved under Earth's gravitational force. Consequently, in the microgravity environment of space, immune function is altered. This can pose problematic consequences for astronauts on deep space missions where medical intervention will be limited. Studying the unique environment of microgravity has its challenges, yet current research has uncovered immunological states that are probable during exploration missions. As microgravity-induced immune states are uncovered, novel countermeasure developments and personalized mitigation programs can be designed to improve astronaut health. This can also benefit immune-related monitoring programs for disorders on Earth. This is a comprehensive review, including gaps in knowledge, of simulated and spaceflight microgravity studies in human and rodent models.
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Affiliation(s)
- Janelle Hicks
- Department of Human Factors and Behavioral Neurobiology, Embry-Riddle Aeronautical University, Daytona Beach, FL
| | - Makaila Olson
- Department of Human Factors and Behavioral Neurobiology, Embry-Riddle Aeronautical University, Daytona Beach, FL
| | - Carol Mitchell
- Department of Human Factors and Behavioral Neurobiology, Embry-Riddle Aeronautical University, Daytona Beach, FL
| | - Cassandra M. Juran
- Department of Human Factors and Behavioral Neurobiology, Embry-Riddle Aeronautical University, Daytona Beach, FL
- NASA Ames Research Center, Space Biosciences Division, Moffett Field, CA
- Blue Marble Space Institute of Science, Seattle, WA
| | - Amber M. Paul
- Department of Human Factors and Behavioral Neurobiology, Embry-Riddle Aeronautical University, Daytona Beach, FL
- NASA Ames Research Center, Space Biosciences Division, Moffett Field, CA
- Blue Marble Space Institute of Science, Seattle, WA
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3
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Lv H, Yang H, Jiang C, Shi J, Chen RA, Huang Q, Shao D. Microgravity and immune cells. J R Soc Interface 2023; 20:20220869. [PMID: 36789512 PMCID: PMC9929508 DOI: 10.1098/rsif.2022.0869] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
The microgravity environment experienced during spaceflight severely impaired immune system, making astronauts vulnerable to various diseases that seriously threaten the health of astronauts. Immune cells are exceptionally sensitive to changes in gravity and the microgravity environment can affect multiple aspects of immune cells through different mechanisms. Previous reports have mainly summarized the role of microgravity in the classification of innate and adaptive immune cells, lacking an overall grasp of the laws that microgravity effects on immune cells at different stages of their entire developmental process, such as differentiation, activation, metabolism, as well as function, which are discussed and concluded in this review. The possible molecular mechanisms are also analysed to provide a clear understanding of the specific role of microgravity in the whole development process of immune cells. Furthermore, the existing methods by which to reverse the damage of immune cells caused by microgravity, such as the use of polysaccharides, flavonoids, other natural immune cell activators etc. to target cell proliferation, apoptosis and impaired function are summarized. This review will provide not only new directions and ideas for the study of immune cell function in the microgravity environment, but also an important theoretical basis for the development of immunosuppression prevention and treatment drugs for spaceflight.
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Affiliation(s)
- Hongfang Lv
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, People's Republic of China
| | - Huan Yang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, People's Republic of China
| | - Chunmei Jiang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, People's Republic of China
| | - Junling Shi
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, People's Republic of China
| | - Ren-an Chen
- Hematology Department, Shaanxi Provincial Tumor Hospital, 309 Yanta West Road, Xi'an, Shaanxi 710072, People's Republic of China
| | - Qingsheng Huang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, People's Republic of China
| | - Dongyan Shao
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an 710072, People's Republic of China
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4
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Xu Y, Pei W, Hu W. A Current Overview of the Biological Effects of Combined Space Environmental Factors in Mammals. Front Cell Dev Biol 2022; 10:861006. [PMID: 35493084 PMCID: PMC9039719 DOI: 10.3389/fcell.2022.861006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 03/23/2022] [Indexed: 12/28/2022] Open
Abstract
Distinct from Earth’s environment, space environmental factors mainly include space radiation, microgravity, hypomagnetic field, and disrupted light/dark cycles that cause physiological changes in astronauts. Numerous studies have demonstrated that space environmental factors can lead to muscle atrophy, bone loss, carcinogenesis, immune disorders, vascular function and cognitive impairment. Most current ground-based studies focused on single environmental factor biological effects. To promote manned space exploration, a better understanding of the biological effects of the spaceflight environment is necessary. This paper summarizes the latest research progress of the combined biological effects of double or multiple space environmental factors on mammalian cells, and discusses their possible molecular mechanisms, with the hope of providing a scientific theoretical basis to develop appropriate countermeasures for astronauts.
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Affiliation(s)
- Ying Xu
- State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
- School of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
- Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Weiwei Pei
- State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
- School of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
- Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
- *Correspondence: Weiwei Pei, ; Wentao Hu,
| | - Wentao Hu
- State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
- School of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, Suzhou, China
- Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
- *Correspondence: Weiwei Pei, ; Wentao Hu,
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5
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Dhar S, Kaeley DK, Kanan MJ, Yildirim-Ayan E. Mechano-Immunomodulation in Space: Mechanisms Involving Microgravity-Induced Changes in T Cells. Life (Basel) 2021; 11:life11101043. [PMID: 34685414 PMCID: PMC8537592 DOI: 10.3390/life11101043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 01/03/2023] Open
Abstract
Of the most prevalent issues surrounding long-term spaceflight, the sustainability of human life and the maintenance of homeostasis in an extreme environment are of utmost concern. It has been observed that the human immune system is dysregulated in space as a result of gravitational unloading at the cellular level, leading to potential complications in astronaut health. A plethora of studies demonstrate intracellular changes that occur due to microgravity; however, these ultimately fall short of identifying the underlying mechanisms and dysfunctions that cause such changes. This comprehensive review covers the changes in human adaptive immunity due to microgravity. Specifically, there is a focus on uncovering the gravisensitive steps in T cell signaling pathways. Changes in gravitational force may lead to interrupted immune signaling cascades at specific junctions, particularly membrane and surface receptor-proximal molecules. Holistically studying the interplay of signaling with morphological changes in cytoskeleton and other cell components may yield answers to what in the T cell specifically experiences the consequences of microgravity. Fully understanding the nature of this problem is essential in order to develop proper countermeasures before long-term space flight is conducted.
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Affiliation(s)
- Sarit Dhar
- Department of Bioengineering, College of Engineering, University of Toledo, Toledo, OH 43606, USA; (S.D.); (D.K.K.); (M.J.K.)
| | - Dilpreet Kaur Kaeley
- Department of Bioengineering, College of Engineering, University of Toledo, Toledo, OH 43606, USA; (S.D.); (D.K.K.); (M.J.K.)
| | - Mohamad Jalal Kanan
- Department of Bioengineering, College of Engineering, University of Toledo, Toledo, OH 43606, USA; (S.D.); (D.K.K.); (M.J.K.)
| | - Eda Yildirim-Ayan
- Department of Bioengineering, College of Engineering, University of Toledo, Toledo, OH 43606, USA; (S.D.); (D.K.K.); (M.J.K.)
- Department of Orthopaedic Surgery, University of Toledo Medical Center, Toledo, OH 43614, USA
- Correspondence: ; Tel.: +1-419-530-8257; Fax: +1-419-530-8030
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6
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ElGindi M, Sapudom J, Ibrahim IH, Al-Sayegh M, Chen W, Garcia-Sabaté A, Teo JCM. May the Force Be with You (Or Not): The Immune System under Microgravity. Cells 2021; 10:1941. [PMID: 34440709 PMCID: PMC8391211 DOI: 10.3390/cells10081941] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 02/07/2023] Open
Abstract
All terrestrial organisms have evolved and adapted to thrive under Earth's gravitational force. Due to the increase of crewed space flights in recent years, it is vital to understand how the lack of gravitational forces affects organisms. It is known that astronauts who have been exposed to microgravity suffer from an array of pathological conditions including an impaired immune system, which is one of the most negatively affected by microgravity. However, at the cellular level a gap in knowledge exists, limiting our ability to understand immune impairment in space. This review highlights the most significant work done over the past 10 years detailing the effects of microgravity on cellular aspects of the immune system.
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Affiliation(s)
- Mei ElGindi
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates; (M.E.); (J.S.); (I.H.I.)
| | - Jiranuwat Sapudom
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates; (M.E.); (J.S.); (I.H.I.)
| | - Ibrahim Hamed Ibrahim
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates; (M.E.); (J.S.); (I.H.I.)
| | - Mohamed Al-Sayegh
- Biology Division, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates;
| | - Weiqiang Chen
- Department of Mechanical and Aerospace Engineering, New York University, Brooklyn, NY 11201, USA;
- Department of Biomedical Engineering, New York University, Brooklyn, NY 11201, USA
| | - Anna Garcia-Sabaté
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates; (M.E.); (J.S.); (I.H.I.)
| | - Jeremy C. M. Teo
- Laboratory for Immuno Bioengineering Research and Applications, Division of Engineering, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates; (M.E.); (J.S.); (I.H.I.)
- Department of Mechanical and Aerospace Engineering, New York University, Brooklyn, NY 11201, USA;
- Department of Biomedical Engineering, New York University, Brooklyn, NY 11201, USA
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7
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Green MJ, Aylott JW, Williams P, Ghaemmaghami AM, Williams PM. Immunity in Space: Prokaryote Adaptations and Immune Response in Microgravity. Life (Basel) 2021; 11:life11020112. [PMID: 33540536 PMCID: PMC7912908 DOI: 10.3390/life11020112] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 01/25/2021] [Accepted: 01/28/2021] [Indexed: 12/16/2022] Open
Abstract
Immune dysfunction has long been reported by medical professionals regarding astronauts suffering from opportunistic infections both during their time in space and a short period afterwards once back on Earth. Various species of prokaryotes onboard these space missions or cultured in a microgravity analogue exhibit increased virulence, enhanced formation of biofilms, and in some cases develop specific resistance for specific antibiotics. This poses a substantial health hazard to the astronauts confined in constant proximity to any present bacterial pathogens on long space missions with a finite number of resources including antibiotics. Furthermore, some bacteria cultured in microgravity develop phenotypes not seen in Earth gravity conditions, providing novel insights into bacterial evolution and avenues for research. Immune dysfunction caused by exposure to microgravity may increase the chance of bacterial infection. Immune cell stimulation, toll-like receptors and pathogen-associated molecular patterns can all be altered in microgravity and affect immunological crosstalk and response. Production of interleukins and other cytokines can also be altered leading to immune dysfunction when responding to bacterial infection. Stem cell differentiation and immune cell activation and proliferation can also be impaired and altered by the microgravity environment once more adding to immune dysfunction in microgravity. This review elaborates on and contextualises these findings relating to how bacteria can adapt to microgravity and how the immune system subsequently responds to infection.
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Affiliation(s)
- Macauley J. Green
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, UK; (M.J.G.); (J.W.A.)
- School of Life Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (P.W.); (A.M.G.)
| | - Jonathan W. Aylott
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, UK; (M.J.G.); (J.W.A.)
| | - Paul Williams
- School of Life Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (P.W.); (A.M.G.)
| | - Amir M. Ghaemmaghami
- School of Life Sciences, University of Nottingham, Nottingham NG7 2RD, UK; (P.W.); (A.M.G.)
| | - Philip M. Williams
- School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, UK; (M.J.G.); (J.W.A.)
- Correspondence:
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8
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Stervbo U, Roch T, Westhoff TH, Gayova L, Kurchenko A, Seibert FS, Babel N. Repeated Changes to the Gravitational Field Negatively Affect the Serum Concentration of Select Growth Factors and Cytokines. Front Physiol 2019; 10:402. [PMID: 31057415 PMCID: PMC6478750 DOI: 10.3389/fphys.2019.00402] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 03/22/2019] [Indexed: 12/13/2022] Open
Abstract
Space flights, some physical activities, and extreme sports can greatly alter the gravitational forces experienced by the body. Being a deviation from the constant pull of Earth, these alterations can be considered gravitational stress and have the potential to affect physiological processes. Physical cues play a vital role in the homeostasis and function of the immune system. The effect of recurrent alterations of the gravitational pull on the levels of soluble mediator such as cytokines is unknown. Parabolic flights provide a controlled environment and make these a suitable model to study the effects of gravitational stress. Utilizing this model, we evaluated the effects of short-term gravitational stress on serum concentration of cytokines and other soluble mediators. Blood was taken from 12 healthy volunteers immediately before the first parabola and immediately after the last. Samples taken on the ground at corresponding time points the day before were used to control for circadian effects. A wide range of soluble mediators was analyzed using a multiplex bead assay. We found that the rate-change of eight molecules was significantly affected by the parabolic flight. Among other functions, these molecules, EGF, PDGF-AA, PDGF-BB, HGF, IP-10, Eotaxin (CCL11), TARC, and Angiopoietin-2, can be associated with bone remodeling and immune activation. It is therefore possible that gravitational stress can have clinically relevant impact on the control of a wide range of physiological processes.
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Affiliation(s)
- Ulrik Stervbo
- Center for Translational Medicine, Medical Department I, Marien Hospital Herne, University Hospitals of the Ruhr-University of Bochum, Herne, Germany
| | - Toralf Roch
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany
| | - Timm H Westhoff
- Center for Translational Medicine, Medical Department I, Marien Hospital Herne, University Hospitals of the Ruhr-University of Bochum, Herne, Germany
| | - Ludmyla Gayova
- Department of Bioorganic and Biological Chemistry, Bogomolets National Medical University, Kyiv, Ukraine
| | - Andrii Kurchenko
- Department of Bioorganic and Biological Chemistry, Bogomolets National Medical University, Kyiv, Ukraine
| | - Felix S Seibert
- Center for Translational Medicine, Medical Department I, Marien Hospital Herne, University Hospitals of the Ruhr-University of Bochum, Herne, Germany
| | - Nina Babel
- Center for Translational Medicine, Medical Department I, Marien Hospital Herne, University Hospitals of the Ruhr-University of Bochum, Herne, Germany.,Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin-Brandenburg Center for Regenerative Therapies, Berlin, Germany
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9
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Ronca AE, Moyer EL, Talyansky Y, Lowe M, Padmanabhan S, Choi S, Gong C, Cadena SM, Stodieck L, Globus RK. Behavior of mice aboard the International Space Station. Sci Rep 2019; 9:4717. [PMID: 30976012 PMCID: PMC6459880 DOI: 10.1038/s41598-019-40789-y] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 02/15/2019] [Indexed: 12/31/2022] Open
Abstract
Interest in space habitation has grown dramatically with planning underway for the first human transit to Mars. Despite a robust history of domestic and international spaceflight research, understanding behavioral adaptation to the space environment for extended durations is scant. Here we report the first detailed behavioral analysis of mice flown in the NASA Rodent Habitat on the International Space Station (ISS). Following 4-day transit from Earth to ISS, video images were acquired on orbit from 16- and 32-week-old female mice. Spaceflown mice engaged in a full range of species-typical behaviors. Physical activity was greater in younger flight mice as compared to identically-housed ground controls, and followed the circadian cycle. Within 7-10 days after launch, younger (but not older), mice began to exhibit distinctive circling or 'race-tracking' behavior that evolved into coordinated group activity. Organized group circling behavior unique to spaceflight may represent stereotyped motor behavior, rewarding effects of physical exercise, or vestibular sensation produced via self-motion. Affording mice the opportunity to grab and run in the RH resembles physical activities that the crew participate in routinely. Our approach yields a useful analog for better understanding human responses to spaceflight, providing the opportunity to assess how physical movement influences responses to microgravity.
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Affiliation(s)
- April E Ronca
- NASA Ames Research Center, Space Biosciences Division, Moffett Field, CA, 94035, USA. .,Wake Forest School of Medicine, Obstetrics and Gynecology, Winston-Salem, NC, 27101, USA.
| | - Eric L Moyer
- Blue Marble Space Institute of Science, Seattle, WA, 98154, USA.,Utrecht University Graduate School of Life Sciences, Regenerative Medicine and Technology Program, Universiteitsweg 98, 3584 CG, UTRECHT, The Netherlands
| | - Yuli Talyansky
- Universities Space Research Association, NASA Ames Research Center, Moffett Field, CA, 94035, USA.,San Jose State University, San Jose, CA, 95192, USA.,Keck School of Medicine of the University of Southern California, Department of Molecular Microbiology and Immunology, 2011 Zonal Avenue, Los Angeles, CA, 90033, USA
| | - Moniece Lowe
- Blue Marble Space Institute of Science, Seattle, WA, 98154, USA
| | - Shreejit Padmanabhan
- San Jose State University, San Jose, CA, 95192, USA.,Duke Empirical Inc., 2829 Mission St, Santa Cruz, CA, 95060, USA
| | - Sungshin Choi
- KBRwyle, NASA Ames Research Center, Moffett Field, CA, 94035, USA
| | - Cynthia Gong
- KBRwyle, NASA Ames Research Center, Moffett Field, CA, 94035, USA
| | - Samuel M Cadena
- Novartis Institutes for Biomedical Research, Cambridge, MA, 02139, USA
| | - Louis Stodieck
- BioServe Space Technologies, Department of Aerospace Engineering Sciences, University of Colorado, Boulder, CO, 80302, USA
| | - Ruth K Globus
- NASA Ames Research Center, Space Biosciences Division, Moffett Field, CA, 94035, USA
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