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Ge J, Yue Y, Nie HY, Liu KG, Li H, Lin HG, Zhang T, Yan HF, Sun HW, Yang JW, Zhou JL, Cui Y. Simulated microgravity altered the gene expression profiles and inhibited the proliferation of Kupffer cells in the early phase by downregulating LMO2 and EZH2. LIFE SCIENCES IN SPACE RESEARCH 2024; 40:21-34. [PMID: 38245345 DOI: 10.1016/j.lssr.2023.11.002] [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: 07/15/2023] [Revised: 09/30/2023] [Accepted: 11/08/2023] [Indexed: 01/22/2024]
Abstract
Microgravity is a primary challenge that need to overcome, when human travel to space. Our study provided evidence that Kupffer cells (KCs) are sensitive to simulated microgravity (SMG), and no similar research report has been found in the literature. Using transcriptome sequencing technology, it was showed that 631 genes were upregulated and 801 genes were downregulated in KCs after treatment under SMG for 3 days. The GO analysis indicated that the proliferation of KCs was affected when exposed to SMG for 3 days. CCK-8 assay confirmed that the proliferation of KCs was inhibited in the third day under the environment of SMG. Furthermore, we identified 8 key genes that affect the proliferation of KCs and predicted 2 transcription factors (TFs) that regulate the 8 key genes. Significantly, we found that microgravity could affect the expression of LMO2 and EZH2 to reduce the transcription of Racgap1, Ccna2, Nek2, Aurka, Plk1, Haus4, Cdc20, Bub1b, which resulting in the reduction in KCs proliferation. These finding suggested that the inhibition of KCs proliferation under microgravity may influence the homeostasis of liver, and LMO2 and EZH2 can be the targets in management of KCs' disturbance in the future practice of space medicine.
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Affiliation(s)
- Jun Ge
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing, 100101, China
| | - Yuan Yue
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing, 100101, China
| | - Hong-Yun Nie
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing, 100101, China
| | - Kai-Ge Liu
- Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China
| | - Hao Li
- Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China.
| | - Hai-Guan Lin
- Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China
| | - Tao Zhang
- Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China
| | - Hong-Feng Yan
- Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China
| | - Hong-Wei Sun
- Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China
| | - Jian-Wu Yang
- Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China
| | - Jin-Lian Zhou
- Department of Pathology, Strategic Support Force Medical Center, Beijing, 100101, China
| | - Yan Cui
- Department of General Surgery, The 306th Hospital of PLA-Peking University Teaching Hospital, Beijing, 100101, China; Department of General Surgery, Strategic Support Force Medical Center, Beijing, 100101, China.
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Song C, Kang T, Gao K, Shi X, Zhang M, Zhao L, Zhou L, Guo J. Preparation for mice spaceflight: Indications for training C57BL/6J mice to adapt to microgravity effect with three-dimensional clinostat on the ground. Heliyon 2023; 9:e19355. [PMID: 37662714 PMCID: PMC10472007 DOI: 10.1016/j.heliyon.2023.e19355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 08/09/2023] [Accepted: 08/20/2023] [Indexed: 09/05/2023] Open
Abstract
Like astronauts, animals need to undergo training and screening before entering space. At present, pre-launch training for mice mainly focuses on adaptation to habitat system. Training for the weightless environment of space in mice has not received much attention. Three-dimensional (3D) clinostat is a method to simulate the effects of microgravity on Earth. However, few studies have used a 3D clinostat apparatus to simulate the effects of microgravity on animal models. Therefore, we conducted a study to evaluate the feasibility and effects of long-term treatment with three-dimensional clinostat in C57BL/6 J mice. Thirty 8-week-old male C57BL/6 J mice were randomly assigned to three groups: mice in individually ventilated cages (MC group, n = 6), mice in survival boxes (SB group, n = 12), and mice in survival boxes receiving 3D clinostat treatment (CS group, n = 12). The mice showed good tolerance after 12 weeks of alternate day training. To evaluate the biological effects of simulated microgravity, the changes in serum metabolites were monitored using untargeted metabolomics, whereas bone loss was assessed using microcomputed tomography of the left femur. Compared with the metabolome of the SB group, the metabolome of the CS group showed significant differences during the first three weeks and the last three weeks. The KEGG pathways in the late stages were mainly related to the nervous system, indicating the influence of long-term microgravity on the central nervous system. Besides, a marked reduction in the trabecular number (P < 0.05) and an increasing trend of trabecular spacing (P < 0.1) were observed to occur in a time-dependent manner in the CS group compared with the SB group. These results showed that mice tolerated well in a 3D clinostat and may provide a new strategy in pre-launch training for mice and conducting relevant ground-based modeling experiments.
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Affiliation(s)
- Chenchen Song
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Taisheng Kang
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Kai Gao
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Xudong Shi
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Meng Zhang
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Lianlian Zhao
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Li Zhou
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
| | - Jianguo Guo
- Key Laboratory of Human Disease Comparative Medicine, Chinese Ministry of Health, Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medicine Center, Peking Union Medical College, Beijing, China
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Marfia G, Guarnaccia L, Navone SE, Ampollini A, Balsamo M, Benelli F, Gaudino C, Garzia E, Fratocchi C, Di Murro C, Ligarotti GK, Campanella C, Landolfi A, Perelli P, Locatelli M, Ciniglio Appiani G. Microgravity and the intervertebral disc: The impact of space conditions on the biomechanics of the spine. Front Physiol 2023; 14:1124991. [PMID: 36998982 PMCID: PMC10043412 DOI: 10.3389/fphys.2023.1124991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 02/22/2023] [Indexed: 03/16/2023] Open
Abstract
The environmental conditions to which astronauts and other military pilots are subjected represent a unique example for understanding and studying the biomechanical events that regulate the functioning of the human body. In particular, microgravity has shown a significant impact on various biological systems, such as the cardiovascular system, immune system, endocrine system, and, last but not least, musculoskeletal system. Among the potential risks of flying, low back pain (LBP) has a high incidence among astronauts and military pilots, and it is often associated with intervertebral disc degeneration events. The mechanisms of degeneration determine the loss of structural and functional integrity and are accompanied by the aberrant production of pro-inflammatory mediators that exacerbate the degenerative environment, contributing to the onset of pain. In the present work, the mechanisms of disc degeneration, the conditions of microgravity, and their association have been discussed in order to identify possible molecular mechanisms underlying disc degeneration and the related clinical manifestations in order to develop a model of prevention to maintain health and performance of air- and space-travelers. The focus on microgravity also allows the development of new proofs of concept with potential therapeutic implications.
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Affiliation(s)
- Giovanni Marfia
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Clinical Pathology Unit, Istituto di Medicina Aerospaziale “A. Mosso”, Aeronautica Militare, Milan, Italy
- *Correspondence: Giovanni Marfia,
| | - Laura Guarnaccia
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Stefania Elena Navone
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Antonella Ampollini
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Melissa Balsamo
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Francesca Benelli
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Chiara Gaudino
- Department of Neuroradiology, Azienda Ospedaliero-Universitaria Policlinico Umberto I, Rome, Italy
| | - Emanuele Garzia
- Istituto di Medicina Aerospaziale “A. Mosso”, Aeronautica Militare, Milan, Italy
| | - Claudia Fratocchi
- Clinical Pathology Unit, Istituto di Medicina Aerospaziale “A. Mosso”, Aeronautica Militare, Milan, Italy
| | - Claudia Di Murro
- Clinical Pathology Unit, Istituto di Medicina Aerospaziale “A. Mosso”, Aeronautica Militare, Milan, Italy
| | | | - Carmelo Campanella
- Istituto di Medicina Aerospaziale “Aldo Di Loreto”, Aeronautica Militare, Rome, Italy
| | | | | | - Marco Locatelli
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Medical-Surgical Physiopathology and Transplantation, University of Milan, Milan, Italy
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Musculoskeletal research in human space flight - unmet needs for the success of crewed deep space exploration. NPJ Microgravity 2023; 9:9. [PMID: 36707515 PMCID: PMC9883469 DOI: 10.1038/s41526-023-00258-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 01/20/2023] [Indexed: 01/29/2023] Open
Abstract
Based on the European Space Agency (ESA) Science in Space Environment (SciSpacE) community White Paper "Human Physiology - Musculoskeletal system", this perspective highlights unmet needs and suggests new avenues for future studies in musculoskeletal research to enable crewed exploration missions. The musculoskeletal system is essential for sustaining physical function and energy metabolism, and the maintenance of health during exploration missions, and consequently mission success, will be tightly linked to musculoskeletal function. Data collection from current space missions from pre-, during-, and post-flight periods would provide important information to understand and ultimately offset musculoskeletal alterations during long-term spaceflight. In addition, understanding the kinetics of the different components of the musculoskeletal system in parallel with a detailed description of the molecular mechanisms driving these alterations appears to be the best approach to address potential musculoskeletal problems that future exploratory-mission crew will face. These research efforts should be accompanied by technical advances in molecular and phenotypic monitoring tools to provide in-flight real-time feedback.
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Joint Cartilage in Long-Duration Spaceflight. Biomedicines 2022; 10:biomedicines10061356. [PMID: 35740378 PMCID: PMC9220015 DOI: 10.3390/biomedicines10061356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/05/2022] [Accepted: 06/06/2022] [Indexed: 12/14/2022] Open
Abstract
This review summarizes the current literature available on joint cartilage alterations in long-duration spaceflight. Evidence from spaceflight participants is currently limited to serum biomarker data in only a few astronauts. Findings from analogue model research, such as bed rest studies, as well as data from animal and cell research in real microgravity indicate that unloading and radiation exposure are associated with joint degeneration in terms of cartilage thinning and changes in cartilage composition. It is currently unknown how much the individual cartilage regions in the different joints of the human body will be affected on long-term missions beyond the Low Earth Orbit. Given the fact that, apart from total joint replacement or joint resurfacing, currently no treatment exists for late-stage osteoarthritis, countermeasures might be needed to avoid cartilage damage during long-duration missions. To plan countermeasures, it is important to know if and how joint cartilage and the adjacent structures, such as the subchondral bone, are affected by long-term unloading, reloading, and radiation. The use of countermeasures that put either load and shear, or other stimuli on the joints, shields them from radiation or helps by supporting cartilage physiology, or by removing oxidative stress possibly help to avoid OA in later life following long-duration space missions. There is a high demand for research on the efficacy of such countermeasures to judge their suitability for their implementation in long-duration missions.
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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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