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van Loon JJWA, Berezovska OP, Bervoets TJM, Montufar-Solis D, Semeins CM, Zandieh-Doulabi B, Rodionova PNV, Duke J, Veldhuijzen JP. Growth and mineralization of fetal mouse long bones under microgravity and daily 1 g gravity exposure. NPJ Microgravity 2024; 10:80. [PMID: 39060264 PMCID: PMC11282293 DOI: 10.1038/s41526-024-00421-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
In a previous Space Shuttle/Spacelab experiment (STS-42), we observed direct responses of isolated fetal mouse long bones to near weightlessness. This paper aimed to verify those results and study the effects of daily 1×g exposure during microgravity on the growth and mineralization of these bones. Two experiments were conducted: one on an American Space Shuttle mission (IML-2 on STS-65) and another on a Russian Bio-Cosmos flight (Bion-10 on Cosmos-2229). Despite differences in hardware, both used 17-day-old fetal mouse metatarsals cultured for 4 days. Results showed reduced proteoglycan content under microgravity compared to 1×g conditions, with no main differences in other cellular structures. While the overall metatarsal length was unaffected, the length increase of the mineralized diaphysis was significantly reduced under microgravity. Daily 1×g exposure for at least 6 h abolished the microgravity-induced reduction in cartilage mineralization, indicating the need for long-duration exposure to 1×g as an in-flight countermeasure using artificial gravity.
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Affiliation(s)
- Jack J W A van Loon
- Department of Oral Biology, Section Oral Cell Biology, ACTA-Vrije Universiteit, Amsterdam, The Netherlands.
| | - Olga P Berezovska
- Department of Radiobiology and Radioecology, Institute for Nuclear Research of National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Theodorus J M Bervoets
- Department of Oral Biology, Section Oral Cell Biology, ACTA-Vrije Universiteit, Amsterdam, The Netherlands
| | - Dina Montufar-Solis
- Department of Integrative Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center, Houston, TX, USA
| | - Cor M Semeins
- Department of Oral Biology, Section Oral Cell Biology, ACTA-Vrije Universiteit, Amsterdam, The Netherlands
| | - Behrouz Zandieh-Doulabi
- Department of Oral Biology, Section Oral Cell Biology, ACTA-Vrije Universiteit, Amsterdam, The Netherlands
| | - P Natalia V Rodionova
- Schmalhausen Institute for Zoology, National Academy of Sciences Ukraine, Kiev, Ukraine
| | - Jackie Duke
- Department of Orthodontics & Dentofacial Orthopedics, University of Texas Health Science Center, Houston, TX, USA
| | - J Paul Veldhuijzen
- Department of Oral Biology, Section Oral Cell Biology, ACTA-Vrije Universiteit, Amsterdam, The Netherlands
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2
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Bukreeva I, Gulimova VI, Krivonosov YS, Buzmakov AV, Junemann O, Cedola A, Fratini M, Maugeri L, Begani Provinciali G, Palermo F, Sanna A, Pieroni N, Asadchikov VE, Saveliev SV. The Study of the Caudal Vertebrae of Thick-Toed Geckos after a Prolonged Space Flight by X-ray Phase-Contrast Micro-CT. Cells 2023; 12:2415. [PMID: 37830629 PMCID: PMC10572532 DOI: 10.3390/cells12192415] [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: 06/30/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 10/14/2023] Open
Abstract
The proximal caudal vertebrae and notochord in thick-toed geckos (TG) (Chondrodactylus turneri, Gray, 1864) were investigated after a 30-day space flight onboard the biosatellite Bion-M1. This region has not been explored in previous studies. Our research focused on finding sites most affected by demineralization caused by microgravity (G0). We used X-ray phase-contrast tomography to study TG samples without invasive prior preparation to clarify our previous findings on the resistance of TG's bones to demineralization in G0. The results of the present study confirmed that geckos are capable of preserving bone mass after flight, as neither cortical nor trabecular bone volume fraction showed statistically significant changes after flight. On the other hand, we observed a clear decrease in the mineralization of the notochordal septum and a substantial rise in intercentrum volume following the flight. To monitor TG's mineral metabolism in G0, we propose to measure the volume of mineralized tissue in the notochordal septum. This technique holds promise as a sensitive approach to track the demineralization process in G0, given that the volume of calcification within the septum is limited, making it easy to detect even slight changes in mineral content.
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Affiliation(s)
- Inna Bukreeva
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
- P.N. Lebedev Physical Institute Russian Academy of Sciences, Leninskiy Prospekt 53, 119991 Moscow, Russia
| | - Victoria I. Gulimova
- Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution, “Petrovsky National Research Centre of Surgery”, Tsyurupy Str. 3, 117418 Moscow, Russia;
| | - Yuri S. Krivonosov
- Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences, Leninskiy Prospekt 59, 119333 Moscow, Russia (V.E.A.)
| | - Alexey V. Buzmakov
- Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences, Leninskiy Prospekt 59, 119333 Moscow, Russia (V.E.A.)
| | - Olga Junemann
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
- Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution, “Petrovsky National Research Centre of Surgery”, Tsyurupy Str. 3, 117418 Moscow, Russia;
| | - Alessia Cedola
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
| | - Michela Fratini
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
- IRCCS Fondazione Santa Lucia, Via Ardeatina 306/354, 00142 Roma, Italy
| | - Laura Maugeri
- IRCCS Fondazione Santa Lucia, Via Ardeatina 306/354, 00142 Roma, Italy
| | - Ginevra Begani Provinciali
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
- Physics Department, ‘Sapienza’ University, Piazzale Aldo Moro 2, 00185 Rome, Italy
- Laboratoire d’Optique Appliquée, CNRS, ENSTA Paris, Ecole Polytechnique IP Paris, 91120 Palaiseau, France
| | - Francesca Palermo
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
| | - Alessia Sanna
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
| | - Nicola Pieroni
- Institute of Nanotechnology, CNR, Rome Unit, Piazzale Aldo Moro 5, 00185 Rome, Italy; (I.B.); (O.J.); (A.C.); (M.F.)
| | - Victor E. Asadchikov
- Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences, Leninskiy Prospekt 59, 119333 Moscow, Russia (V.E.A.)
| | - Sergey V. Saveliev
- Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution, “Petrovsky National Research Centre of Surgery”, Tsyurupy Str. 3, 117418 Moscow, Russia;
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3
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Ha P, Kwak JH, Zhang Y, Shi J, Tran L, Liu TP, Pan HC, Lee S, Kim JK, Chen E, Shirazi-Fard Y, Stodieck LS, Lin A, Zheng Z, Dong SN, Zhang X, Wu BM, Ting K, Soo C. Bisphosphonate conjugation enhances the bone-specificity of NELL-1-based systemic therapy for spaceflight-induced bone loss in mice. NPJ Microgravity 2023; 9:75. [PMID: 37723136 PMCID: PMC10507033 DOI: 10.1038/s41526-023-00319-7] [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: 04/18/2022] [Accepted: 08/18/2023] [Indexed: 09/20/2023] Open
Abstract
Microgravity-induced bone loss results in a 1% bone mineral density loss monthly and can be a mission critical factor in long-duration spaceflight. Biomolecular therapies with dual osteogenic and anti-resorptive functions are promising for treating extreme osteoporosis. We previously confirmed that NELL-like molecule-1 (NELL-1) is crucial for bone density maintenance. We further PEGylated NELL-1 (NELL-polyethylene glycol, or NELL-PEG) to increase systemic delivery half-life from 5.5 to 15.5 h. In this study, we used a bio-inert bisphosphonate (BP) moiety to chemically engineer NELL-PEG into BP-NELL-PEG and specifically target bone tissues. We found conjugation with BP improved hydroxyapatite (HA) binding and protein stability of NELL-PEG while preserving NELL-1's osteogenicity in vitro. Furthermore, BP-NELL-PEG showed superior in vivo bone specificity without observable pathology in liver, spleen, lungs, brain, heart, muscles, or ovaries of mice. Finally, we tested BP-NELL-PEG through spaceflight exposure onboard the International Space Station (ISS) at maximal animal capacity (n = 40) in a long-term (9 week) osteoporosis therapeutic study and found that BP-NELL-PEG significantly increased bone formation in flight and ground control mice without obvious adverse health effects. Our results highlight BP-NELL-PEG as a promising therapeutic to mitigate extreme bone loss from long-duration microgravity exposure and musculoskeletal degeneration on Earth, especially when resistance training is not possible due to incapacity (e.g., bone fracture, stroke).
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Affiliation(s)
- Pin Ha
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jin Hee Kwak
- Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, 90089, USA
| | - Yulong Zhang
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Forsyth Institute, Cambridge, MA, 02142, USA
| | - Jiayu Shi
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Luan Tran
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Timothy Pan Liu
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Hsin-Chuan Pan
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Samantha Lee
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jong Kil Kim
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Eric Chen
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Yasaman Shirazi-Fard
- Space Biosciences Division, NASA Ames Research Center, Moffett Field, CA, 94035, USA
| | - Louis S Stodieck
- BioServe Space Technologies and Aerospace Engineering Sciences, University of Colorado, Boulder, CO, 80303, USA
| | - Andy Lin
- Office of Advanced Research Computing, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Zhong Zheng
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Stella Nuo Dong
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xinli Zhang
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Benjamin M Wu
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Forsyth Institute, Cambridge, MA, 02142, USA.
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
| | - Kang Ting
- Forsyth Institute, Cambridge, MA, 02142, USA.
| | - Chia Soo
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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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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5
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Sattgast LH, Wong CP, Branscum AJ, Olson DA, Aguirre-Burk AM, Iwaniec UT, Turner RT. Small changes in thermoregulation influence cancellous bone turnover balance in distal femur metaphysis in growing female mice. Bone Rep 2023; 18:101675. [PMID: 37007217 PMCID: PMC10063413 DOI: 10.1016/j.bonr.2023.101675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/16/2023] [Accepted: 03/18/2023] [Indexed: 03/30/2023] Open
Abstract
Mice are typically housed at temperatures well below their thermoneutral zone. When individually housed at room temperature (~22 °C) mice experience cold stress which results in cancellous bone loss and has the potential to alter the skeletal response to treatment. It is not clear if there is a threshold temperature for cold stress-induced bone loss. It is also not clear if alternative strategies for attenuating cold stress, such as group housing, influence bone accrual and turnover. This study aimed to determine how small differences in temperature (4 °C) or heat loss (individual versus group housing with nestlets) influence bone in growing female C57BL/6 J mice. Five-week-old mice were randomized by weight to 1 of 4 treatment groups (N = 10/group): 1) baseline, 2) single housed at 22 °C, 3) single housed at 26 °C, or 4) group housed (n = 5/cage) with nestlets at 22 °C. Mice in the baseline group were sacrificed 1 week later, at 6 weeks of age. The other 3 groups of mice were maintained at their respective temperatures and housing conditions for 13 weeks until 18 weeks of age. Compared to baseline, mice single housed at room temperature had increased body weight and femur size, but dramatically decreased cancellous bone volume fraction in distal femur metaphysis. The cancellous bone loss was attenuated but not prevented in mice individually housed at 26 °C or group housed at 22 °C. In conclusion, by impacting thermogenesis or heat loss, modest differences in housing conditions could influence experimental results.
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Affiliation(s)
- Lara H. Sattgast
- Skeletal Biology Laboratory, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
| | - Carmen P. Wong
- Skeletal Biology Laboratory, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
| | - Adam J. Branscum
- Biostatistics Program, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
| | - Dawn A. Olson
- Skeletal Biology Laboratory, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
| | - Allan M. Aguirre-Burk
- Skeletal Biology Laboratory, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
| | - Urszula T. Iwaniec
- Skeletal Biology Laboratory, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
- Center for Healthy Aging Research, Oregon State University, Corvallis, OR 97331, USA
| | - Russell T. Turner
- Skeletal Biology Laboratory, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
- Center for Healthy Aging Research, Oregon State University, Corvallis, OR 97331, USA
- Corresponding author at: Skeletal Biology Laboratory, School of Biological and Population Health Sciences, 127 Milam Hall, Oregon State University, Corvallis, OR 97331, USA.
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Bedree JK, Kerns K, Chen T, Lima BP, Liu G, Ha P, Shi J, Pan HC, Kim JK, Tran L, Minot SS, Hendrickson EL, Lamont EI, Schulte F, Hardt M, Stephens D, Patel M, Kokaras A, Stodieck L, Shirazi-Fard Y, Wu B, Kwak JH, Ting K, Soo C, McLean JS, He X, Shi W. Specific host metabolite and gut microbiome alterations are associated with bone loss during spaceflight. Cell Rep 2023; 42:112299. [PMID: 37080202 PMCID: PMC10344367 DOI: 10.1016/j.celrep.2023.112299] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 10/30/2022] [Accepted: 03/07/2023] [Indexed: 04/22/2023] Open
Abstract
Understanding the axis of the human microbiome and physiological homeostasis is an essential task in managing deep-space-travel-associated health risks. The NASA-led Rodent Research 5 mission enabled an ancillary investigation of the gut microbiome, varying exposure to microgravity (flight) relative to ground controls in the context of previously shown bone mineral density (BMD) loss that was observed in these flight groups. We demonstrate elevated abundance of Lactobacillus murinus and Dorea sp. during microgravity exposure relative to ground control through whole-genome sequencing and 16S rRNA analyses. Specific functionally assigned gene clusters of L. murinus and Dorea sp. capable of producing metabolites, lactic acid, leucine/isoleucine, and glutathione are enriched. These metabolites are elevated in the microgravity-exposed host serum as shown by liquid chromatography-tandem mass spectrometry (LC-MS/MS) metabolomic analysis. Along with BMD loss, ELISA reveals increases in osteocalcin and reductions in tartrate-resistant acid phosphatase 5b signifying additional loss of bone homeostasis in flight.
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Affiliation(s)
- Joseph K Bedree
- Section of Oral Biology, Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Microbiology, The Forsyth Institute, Cambridge, MA 02142, USA.
| | - Kristopher Kerns
- Department of Periodontics, School of Dentistry, University of Washington, Seattle, WA 98195, USA
| | - Tsute Chen
- Department of Microbiology, The Forsyth Institute, Cambridge, MA 02142, USA; Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA 02115, USA
| | - Bruno P Lima
- Department of Diagnostic and Biological Sciences, University of Minnesota, Minneapolis, MN 55455, USA
| | - Guo Liu
- Section of Oral Biology, Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Pin Ha
- Section of Orthodontics, Division of Growth & Development, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA; Division of Plastic and Reconstructive Surgery, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jiayu Shi
- Section of Oral Biology, Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Orthodontics and Pediatric Dentistry, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Hsin Chuan Pan
- Section of Oral Biology, Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jong Kil Kim
- Section of Oral Biology, Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Luan Tran
- Section of Oral Biology, Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Samuel S Minot
- Microbiome Research Initiative, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - Erik L Hendrickson
- Department of Periodontics, School of Dentistry, University of Washington, Seattle, WA 98195, USA
| | - Eleanor I Lamont
- Department of Periodontics, School of Dentistry, University of Washington, Seattle, WA 98195, USA
| | - Fabian Schulte
- Forsyth Center for Salivary Diagnostics, Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA 02142, USA; Harvard School of Dental Medicine, Department of Developmental Biology, Boston, MA 02115, USA
| | - Markus Hardt
- Forsyth Center for Salivary Diagnostics, Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA 02142, USA; Harvard School of Dental Medicine, Department of Developmental Biology, Boston, MA 02115, USA
| | - Danielle Stephens
- Multiplex Core, Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA 02142, USA
| | - Michele Patel
- Multiplex Core, Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA 02142, USA
| | - Alexis Kokaras
- Department of Microbiology, The Forsyth Institute, Cambridge, MA 02142, USA
| | - Louis Stodieck
- BioServe Space Technologies, Department of Aerospace Engineering Sciences, University of Colorado, Boulder, CO 80303, USA
| | - Yasaman Shirazi-Fard
- Bone and Signaling Laboratory, Space Biosciences Division, NASA Ames Research Center, Mail Stop 288-2, Moffett Field, CA 94035, USA
| | - Benjamin Wu
- Department of Bioengineering, School of Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA; Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jin Hee Kwak
- Section of Orthodontics, Division of Growth & Development, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Kang Ting
- Section of Orthodontics, Division of Growth & Development, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Chia Soo
- Division of Plastic and Reconstructive Surgery, School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Orthopedic Surgery, School of Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jeffrey S McLean
- Department of Periodontics, School of Dentistry, University of Washington, Seattle, WA 98195, USA
| | - Xuesong He
- Department of Microbiology, The Forsyth Institute, Cambridge, MA 02142, USA; Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Boston, MA 02115, USA
| | - Wenyuan Shi
- Department of Microbiology, The Forsyth Institute, Cambridge, MA 02142, USA.
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7
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Moussa MS, Goldsmith M, Komarova SV. Craniofacial Bones and Teeth in Spacefarers: Systematic Review and Meta-analysis. JDR Clin Trans Res 2023; 8:113-122. [PMID: 35311413 PMCID: PMC10026165 DOI: 10.1177/23800844221084985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
INTRODUCTION Estimating the risk of dental problems in long-duration space missions to the Moon and Mars is critical for avoiding dental emergencies in an environment that does not support proper treatment. Previous risk estimates were constructed based on the experience in short-duration space missions and isolated environments on Earth. However, previous estimates did not account for potential changes in dental structures due to space travel, even though bone loss is a known problem for long-duration spaceflights. The objective of this study was to systematically analyze the changes in hard tissues of the craniofacial complex during spaceflights. METHODS Comprehensive search of Medline, Embase, Scopus, the NASA Technical Report Server, and other sources identified 1,585 potentially relevant studies. After screening, 32 articles that presented quantitative data for skull in humans (6/32) and for calvariae, mandible, and lower incisors in rats (20/32) and mice (6/32) were selected. RESULTS Skull bone mineral density showed a significant increase in spacefaring humans. In spacefaring rodents, calvariae bone volume to tissue volume (BV/TV) demonstrated a trend toward increasing that did not reach statistical significance, while in mandibles, there was a significant decrease in BV/TV. Dentin thickness and incisor volume of rodent incisors were not significantly different between spaceflight and ground controls. DISCUSSION Our study demonstrates significant knowledge gaps regarding many structures of the craniofacial complex such as the maxilla, molar, premolar, and canine teeth, as well as small sample sizes for the studies of mandible and incisors. Understanding the effects of microgravity on craniofacial structures is important for estimating risks during long-duration spaceflight and for formulating proper protocols to prevent dental emergencies. KNOWLEDGE TRANSFER STATEMENT Avoiding dental emergencies in long-duration spaceflights is critical since this environment does not support proper treatment. Prior risk estimates did not account for changes in dental structures due to space travel. We reviewed and synthesized the literature for changes in craniofacial complex associated with spaceflight. The results of our study will help clinicians and scientists to better prepare to mitigate potential oral health issues in space travelers on long-duration missions.
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Affiliation(s)
- M S Moussa
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
- Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
| | - M Goldsmith
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
- Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
| | - S V Komarova
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Quebec, Canada
- Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
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Real and Simulated Microgravity: Focus on Mammalian Extracellular Matrix. Life (Basel) 2022; 12:life12091343. [PMID: 36143379 PMCID: PMC9501067 DOI: 10.3390/life12091343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/12/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022] Open
Abstract
The lack of gravitational loading is a pivotal risk factor during space flights. Biomedical studies indicate that because of the prolonged effect of microgravity, humans experience bone mass loss, muscle atrophy, cardiovascular insufficiency, and sensory motor coordination disorders. These findings demonstrate the essential role of gravity in human health quality. The physiological and pathophysiological mechanisms of an acute response to microgravity at various levels (molecular, cellular, tissue, and physiological) and subsequent adaptation are intensively studied. Under the permanent gravity of the Earth, multicellular organisms have developed a multi-component tissue mechanosensitive system which includes cellular (nucleo- and cytoskeleton) and extracellular (extracellular matrix, ECM) “mechanosensory” elements. These compartments are coordinated due to specialized integrin-based protein complexes, forming a distinctive mechanosensitive unit. Under the lack of continuous gravitational loading, this unit becomes a substrate for adaptation processes, acting as a gravisensitive unit. Since the space flight conditions limit large-scale research in space, simulation models on Earth are of particular importance for elucidating the mechanisms that provide a response to microgravity. This review describes current state of art concerning mammalian ECM as a gravisensitive unit component under real and simulated microgravity and discusses the directions of further research in this field.
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Goldsmith M, Crooks SD, Condon SF, Willie BM, Komarova SV. Bone strength and composition in spacefaring rodents: systematic review and meta-analysis. NPJ Microgravity 2022; 8:10. [PMID: 35418128 PMCID: PMC9008045 DOI: 10.1038/s41526-022-00195-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 03/04/2022] [Indexed: 11/09/2022] Open
Abstract
Studying the effects of space travel on bone of experimental animals provides unique advantages, including the ability to perform post-mortem analysis and mechanical testing. To synthesize the available data to assess how much and how consistently bone strength and composition parameters are affected by spaceflight, we systematically identified studies reporting bone health in spacefaring animals from Medline, Embase, Web of Science, BIOSIS, and NASA Technical reports. Previously, we reported the effect of spaceflight on bone architecture and turnover in rodents and primates. For this study, we selected 28 articles reporting bone strength and composition in 60 rats and 60 mice from 17 space missions ranging from 7 to 33 days in duration. Whole bone mechanical indices were significantly decreased in spaceflight rodents, with the percent difference between spaceflight and ground control animals for maximum load of −15.24% [Confidence interval: −22.32, −8.17]. Bone mineral density and calcium content were significantly decreased in spaceflight rodents by −3.13% [−4.96, −1.29] and −1.75% [−2.97, −0.52] respectively. Thus, large deficits in bone architecture (6% loss in cortical area identified in a previous study) as well as changes in bone mass and tissue composition likely lead to bone strength reduction in spaceflight animals.
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Affiliation(s)
- Matthew Goldsmith
- Research Centre, Shriners Hospital for Children - Canada, Montréal, QC, Canada.,Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montréal, QC, Canada
| | - Sequoia D Crooks
- Research Centre, Shriners Hospital for Children - Canada, Montréal, QC, Canada
| | - Sean F Condon
- Research Centre, Shriners Hospital for Children - Canada, Montréal, QC, Canada
| | - Bettina M Willie
- Research Centre, Shriners Hospital for Children - Canada, Montréal, QC, Canada.,Department of Pediatric Surgery, McGill University, Montréal, QC, Canada
| | - Svetlana V Komarova
- Research Centre, Shriners Hospital for Children - Canada, Montréal, QC, Canada. .,Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montréal, QC, Canada.
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