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Kato Y, Fukazawa T, Tanimoto K, Kanawa M, Kojima M, Saeki I, Kurihara S, Touge R, Hirohashi N, Okada S, Hiyama E. Achaete-scute family bHLH transcription factor 2 activation promotes hepatoblastoma progression. Cancer Sci 2024; 115:847-858. [PMID: 38183173 PMCID: PMC10921009 DOI: 10.1111/cas.16051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 11/16/2023] [Accepted: 12/08/2023] [Indexed: 01/07/2024] Open
Abstract
Achaete-scute family bHLH transcription factor 2 (ASCL2) is highly expressed in hepatoblastoma (HB) tissues, but its role remains unclear. Thus, biological changes in the HB cell line HepG2 in response to induced ASCL2 expression were assessed. ASCL2 expression was induced in HepG2 cells using the Tet-On 3G system, which includes doxycycline. Cell viability, proliferation activity, mobility, and stemness were evaluated using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, colony-formation, migration, invasion, and sphere-formation assays. Quantitative reverse-transcription polymerase chain reaction was used to assess the expression of markers for proliferation (CCND1 and MYC), epithelial-mesenchymal transition (EMT; SNAI1, TWIST1, and ZEB1), mesenchymal-epithelial transition (CDH1), and stemness (KLF4, POU5F1, and SOX9). Compared with the non-induced HepG2 cells, cells with induced ASCL2 expression showed significant increases in viability, colony number, migration area (%), and sphere number on days 7, 14, 8, and 7, respectively, and invasion area (%) after 90 h. Furthermore, induction of ASCL2 expression significantly upregulated CCND1, MYC, POU5F1, SOX9, and KLF4 expression on days 2, 2, 3, 3, and 5, respectively, and increased the ratios of SNAI1, TWIST1, and ZEB1 to CDH1 on day 5. ASCL2 promoted the formation of malignant phenotypes in HepG2 cells, which may be correlated with the upregulation of the Wnt signaling pathway-, EMT-, and stemness-related genes. ASCL2 activation may therefore be involved in the progression of HB.
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Affiliation(s)
- Yutaka Kato
- Department of Pediatrics, Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
| | - Takahiro Fukazawa
- Natural Science Center for Basic Research and DevelopmentHiroshima UniversityHiroshimaJapan
- Division of Medical Research Support, Advanced Research Support CenterEhime UniversityToonJapan
| | - Keiji Tanimoto
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and MedicineHiroshima UniversityHiroshimaJapan
| | - Masami Kanawa
- Natural Science Center for Basic Research and DevelopmentHiroshima UniversityHiroshimaJapan
| | - Masato Kojima
- Natural Science Center for Basic Research and DevelopmentHiroshima UniversityHiroshimaJapan
- Department of Surgery, Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
- Department of Pediatric SurgeryHiroshima University HospitalHiroshimaJapan
| | - Isamu Saeki
- Department of Surgery, Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
- Department of Pediatric SurgeryHiroshima University HospitalHiroshimaJapan
| | - Sho Kurihara
- Department of Surgery, Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
- Department of Pediatric SurgeryHiroshima University HospitalHiroshimaJapan
| | - Ryo Touge
- Department of Surgery, Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
- Department of Pediatric SurgeryHiroshima University HospitalHiroshimaJapan
| | - Nobuyuki Hirohashi
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and MedicineHiroshima UniversityHiroshimaJapan
| | - Satoshi Okada
- Department of Pediatrics, Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
| | - Eiso Hiyama
- Natural Science Center for Basic Research and DevelopmentHiroshima UniversityHiroshimaJapan
- Department of Surgery, Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
- Department of Pediatric SurgeryHiroshima University HospitalHiroshimaJapan
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Graf J, Schulz H, Wehland M, Corydon TJ, Sahana J, Abdelfattah F, Wuest SL, Egli M, Krüger M, Kraus A, Wise PM, Infanger M, Grimm D. Omics Studies of Tumor Cells under Microgravity Conditions. Int J Mol Sci 2024; 25:926. [PMID: 38255998 PMCID: PMC10815863 DOI: 10.3390/ijms25020926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/07/2024] [Accepted: 01/08/2024] [Indexed: 01/24/2024] Open
Abstract
Cancer is defined as a group of diseases characterized by abnormal cell growth, expansion, and progression with metastasis. Various signaling pathways are involved in its development. Malignant tumors exhibit a high morbidity and mortality. Cancer research increased our knowledge about some of the underlying mechanisms, but to this day, our understanding of this disease is unclear. High throughput omics technology and bioinformatics were successful in detecting some of the unknown cancer mechanisms. However, novel groundbreaking research and ideas are necessary. A stay in orbit causes biochemical and molecular biological changes in human cancer cells which are first, and above all, due to microgravity (µg). The µg-environment provides conditions that are not reachable on Earth, which allow researchers to focus on signaling pathways controlling cell growth and metastasis. Cancer research in space already demonstrated how cancer cell-exposure to µg influenced several biological processes being involved in cancer. This novel approach has the potential to fight cancer and to develop future cancer strategies. Space research has been shown to impact biological processes in cancer cells like proliferation, apoptosis, cell survival, adhesion, migration, the cytoskeleton, the extracellular matrix, focal adhesion, and growth factors, among others. This concise review focuses on publications related to genetic, transcriptional, epigenetic, proteomic, and metabolomic studies on tumor cells exposed to real space conditions or to simulated µg using simulation devices. We discuss all omics studies investigating different tumor cell types from the brain and hematological system, sarcomas, as well as thyroid, prostate, breast, gynecologic, gastrointestinal, and lung cancers, in order to gain new and innovative ideas for understanding the basic biology of cancer.
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Affiliation(s)
- Jenny Graf
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.G.); (H.S.); (M.W.); (F.A.); (M.K.); (P.M.W.)
| | - Herbert Schulz
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.G.); (H.S.); (M.W.); (F.A.); (M.K.); (P.M.W.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany; (A.K.); (M.I.)
| | - Markus Wehland
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.G.); (H.S.); (M.W.); (F.A.); (M.K.); (P.M.W.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany; (A.K.); (M.I.)
| | - Thomas J. Corydon
- Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark; (T.J.C.); (J.S.)
- Department of Ophthalmology, Aarhus University Hospital, 8200 Aarhus N, Denmark
| | - Jayashree Sahana
- Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark; (T.J.C.); (J.S.)
| | - Fatima Abdelfattah
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.G.); (H.S.); (M.W.); (F.A.); (M.K.); (P.M.W.)
| | - Simon L. Wuest
- Space Biology Group, Institute of Medical Engineering, Lucerne University of Applied Sciences and Arts, 6052 Hergiswil, Switzerland (M.E.)
| | - Marcel Egli
- Space Biology Group, Institute of Medical Engineering, Lucerne University of Applied Sciences and Arts, 6052 Hergiswil, Switzerland (M.E.)
- National Center for Biomedical Research in Space, Innovation Cluster Space and Aviation (UZH Space Hub), University Zurich, 8006 Zurich, Switzerland
| | - Marcus Krüger
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.G.); (H.S.); (M.W.); (F.A.); (M.K.); (P.M.W.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany; (A.K.); (M.I.)
| | - Armin Kraus
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany; (A.K.); (M.I.)
- Clinic for Plastic, Aesthetic and Hand Surgery, Medical Faculty, University Hospital Magdeburg, Otto von Guericke University, 39120 Magdeburg, Germany
| | - Petra M. Wise
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.G.); (H.S.); (M.W.); (F.A.); (M.K.); (P.M.W.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany; (A.K.); (M.I.)
- The Saban Research Institute, Children’s Hospital Los Angeles, University of Southern California, 4650 Sunset Blvd, Los Angeles, CA 90027, USA
| | - Manfred Infanger
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany; (A.K.); (M.I.)
- Clinic for Plastic, Aesthetic and Hand Surgery, Medical Faculty, University Hospital Magdeburg, Otto von Guericke University, 39120 Magdeburg, Germany
| | - Daniela Grimm
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.G.); (H.S.); (M.W.); (F.A.); (M.K.); (P.M.W.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany; (A.K.); (M.I.)
- Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark; (T.J.C.); (J.S.)
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Li W, Shu X, Zhang X, Zhang Z, Sun S, Li N, Long M. Potential Roles of YAP/TAZ Mechanotransduction in Spaceflight-Induced Liver Dysfunction. Int J Mol Sci 2023; 24:ijms24032197. [PMID: 36768527 PMCID: PMC9917057 DOI: 10.3390/ijms24032197] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/16/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Microgravity exposure during spaceflight causes the disordered regulation of liver function, presenting a specialized mechano-biological coupling process. While YAP/TAZ serves as a typical mechanosensitive pathway involved in hepatocyte metabolism, it remains unclear whether and how it is correlated with microgravity-induced liver dysfunction. Here, we discussed liver function alterations induced by spaceflight or simulated effects of microgravity on Earth. The roles of YAP/TAZ serving as a potential bridge in connecting liver metabolism with microgravity were specifically summarized. Existing evidence indicated that YAP/TAZ target gene expressions were affected by mechanotransductive pathways and phase separation, reasonably speculating that microgravity might regulate YAP/TAZ activation by disrupting these pathways via cytoskeletal remodeling or nuclear deformation, or disturbing condensates formation via diffusion limit, and then breaking liver homeostasis.
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Affiliation(s)
- Wang Li
- Center for Biomechanics and Bioengineering, Beijing Key Laboratory of Engineered Construction and Mechanobiology and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xinyu Shu
- Center for Biomechanics and Bioengineering, Beijing Key Laboratory of Engineered Construction and Mechanobiology and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoyu Zhang
- Center for Biomechanics and Bioengineering, Beijing Key Laboratory of Engineered Construction and Mechanobiology and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ziliang Zhang
- Center for Biomechanics and Bioengineering, Beijing Key Laboratory of Engineered Construction and Mechanobiology and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
| | - Shujin Sun
- Center for Biomechanics and Bioengineering, Beijing Key Laboratory of Engineered Construction and Mechanobiology and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ning Li
- Center for Biomechanics and Bioengineering, Beijing Key Laboratory of Engineered Construction and Mechanobiology and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
- Correspondence: (N.L.); (M.L.)
| | - Mian Long
- Center for Biomechanics and Bioengineering, Beijing Key Laboratory of Engineered Construction and Mechanobiology and Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
- Correspondence: (N.L.); (M.L.)
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Fukazawa T, Tanimoto K, Yamaoka E, Kojima M, Kanawa M, Hirohashi N, Hiyama E. Oncogenic Role of ADAM32 in Hepatoblastoma: A Potential Molecular Target for Therapy. Cancers (Basel) 2022; 14:cancers14194732. [PMID: 36230656 PMCID: PMC9562177 DOI: 10.3390/cancers14194732] [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: 09/08/2022] [Revised: 09/22/2022] [Accepted: 09/25/2022] [Indexed: 11/16/2022] Open
Abstract
Outcomes of pediatric hepatoblastoma (HBL) have improved, but refractory cases still occur. More effective and safer drugs are needed that are based on molecular mechanisms. A disintegrin and metalloproteases (ADAMs) are expressed with high frequency in various human carcinomas and play an important role in cancer progression. In this study, we analyzed expression of ADAMs in HBL with a cDNA microarray dataset and found that the expression level of ADAM32 is particularly high. To investigate the role of ADAM32 in cancer, forced expression or knockdown experiments were conducted with HepG2 and HBL primary cells. Colony formation, cell migration and invasion, and cell viability were increased in HepG2 expressing ADAM32, whereas knockdown of ADAM32 induced a decrease in these cellular functions. Quantitative RT-PCR demonstrated an association between ADAM32 expression and the expression of genes related to cancer stem cells and epithelial–mesenchymal transition (EMT), suggesting a role of ADAM32 in cancer stemness and EMT. Furthermore, knockdown of ADAM32 increased cisplatin-induced apoptosis, and this effect was attenuated by a caspase-8 inhibitor, suggesting that ADAM32 plays a role in extrinsic apoptosis signaling. We conclude that ADAM32 plays a crucial role in progression of HBL, so it might be a promising molecular target in anticancer therapy.
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Affiliation(s)
- Takahiro Fukazawa
- Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 734-8553, Japan
| | - Keiji Tanimoto
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima 734-8553, Japan
- Correspondence: (K.T.); (E.H.); Tel.: +81-(0)82-257-5841 (K.T.); +81-(0)82-257-5555 (E.H.)
| | - Emi Yamaoka
- Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 734-8553, Japan
| | - Masato Kojima
- Department of Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan
| | - Masami Kanawa
- Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 734-8553, Japan
| | - Nobuyuki Hirohashi
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima 734-8553, Japan
| | - Eiso Hiyama
- Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 734-8553, Japan
- Correspondence: (K.T.); (E.H.); Tel.: +81-(0)82-257-5841 (K.T.); +81-(0)82-257-5555 (E.H.)
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Kosim MY, Fukazawa T, Miyauchi M, Hirohashi N, Tanimoto K. p53 status modifies cytotoxic activity of lactoferrin under hypoxic conditions. Front Pharmacol 2022; 13:988335. [PMID: 36199689 PMCID: PMC9527284 DOI: 10.3389/fphar.2022.988335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 09/01/2022] [Indexed: 11/13/2022] Open
Abstract
Lactoferrin (LF) is an iron binding glycoprotein of the transferrin family with a wide spectrum of biological effects, including anti-cancer activity. However, the detailed molecular mechanisms of anti-cancer activity of LF have not been fully determined. In this study, we tried to clarify cytotoxic functions of LF on various cell lines under hypoxic conditions and elucidate those molecular mechanisms. Cytotoxic activity of LF on cell lines was found to have a range of sensitivities. Hypoxia decreased sensitivity to LF in KD (lip fibroblast) but increased that in HSC2 (oral squamous cell carcinoma). Expression analyses further revealed that LF treatments increased hypoxic HIF-1α, -2α and p53 proteins in KD but attenuated them in HSC2 cells, and decreased HIF-1 target gene, DEC2, in KD but increased it in HSC2, suggesting a possible relationship between LF-modified DEC2 expression and HIF-α protein. MTT assay strikingly demonstrated that cells expressing mutant-type p53 (MT5) were more sensitive to LF than control HepG2 (hepatoma), suggesting an important role of the p53 signal. Knock-down of TP53 (p53 gene) interestingly reduced sensitivity to LF in HepG2, suggesting that p53 may be a target of LF cytotoxic activity. Further analyses with a ferroptosis promoter or inhibitor demonstrated that LF increased ACSL4 in hypoxic MT5, suggesting LF-induced ferroptosis in cells expressing mutant-type p53. In conclusion, hypoxia was found to regulate cytotoxic activities of LF differently among various cell lines, possibly through the p53 signaling pathway. LF further appeared to regulate ferroptosis through a modification of ACSL4 expression.
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Affiliation(s)
- Maryami Yuliana Kosim
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Takahiro Fukazawa
- Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima, Japan
| | - Mutsumi Miyauchi
- Department of Oral and Maxillofacial Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima , Japan
| | - Nobuyuki Hirohashi
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
| | - Keiji Tanimoto
- Department of Radiation Disaster Medicine, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan
- *Correspondence: Keiji Tanimoto,
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The Fight against Cancer by Microgravity: The Multicellular Spheroid as a Metastasis Model. Int J Mol Sci 2022; 23:ijms23063073. [PMID: 35328492 PMCID: PMC8953941 DOI: 10.3390/ijms23063073] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
Cancer is a disease exhibiting uncontrollable cell growth and spreading to other parts of the organism. It is a heavy, worldwide burden for mankind with high morbidity and mortality. Therefore, groundbreaking research and innovations are necessary. Research in space under microgravity (µg) conditions is a novel approach with the potential to fight cancer and develop future cancer therapies. Space travel is accompanied by adverse effects on our health, and there is a need to counteract these health problems. On the cellular level, studies have shown that real (r-) and simulated (s-) µg impact survival, apoptosis, proliferation, migration, and adhesion as well as the cytoskeleton, the extracellular matrix, focal adhesion, and growth factors in cancer cells. Moreover, the µg-environment induces in vitro 3D tumor models (multicellular spheroids and organoids) with a high potential for preclinical drug targeting, cancer drug development, and studying the processes of cancer progression and metastasis on a molecular level. This review focuses on the effects of r- and s-µg on different types of cells deriving from thyroid, breast, lung, skin, and prostate cancer, as well as tumors of the gastrointestinal tract. In addition, we summarize the current knowledge of the impact of µg on cancerous stem cells. The information demonstrates that µg has become an important new technology for increasing current knowledge of cancer biology.
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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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8
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Cortés-Sánchez JL, Callant J, Krüger M, Sahana J, Kraus A, Baselet B, Infanger M, Baatout S, Grimm D. Cancer Studies under Space Conditions: Finding Answers Abroad. Biomedicines 2021; 10:biomedicines10010025. [PMID: 35052703 PMCID: PMC8773191 DOI: 10.3390/biomedicines10010025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 12/12/2022] Open
Abstract
In this review article, we discuss the current state of knowledge in cancer research under real and simulated microgravity conditions and point out further research directions in this field. Outer space is an extremely hostile environment for human life, with radiation, microgravity, and vacuum posing significant hazards. Although the risk for cancer in astronauts is not clear, microgravity plays a thought-provoking role in the carcinogenesis of normal and cancer cells, causing such effects as multicellular spheroid formation, cytoskeleton rearrangement, alteration of gene expression and protein synthesis, and apoptosis. Furthermore, deleterious effects of radiation on cells seem to be accentuated under microgravity. Ground-based facilities have been used to study microgravity effects in addition to laborious experiments during parabolic flights or on space stations. Some potential 'gravisensors' have already been detected, and further identification of these mechanisms of mechanosensitivity could open up ways for therapeutic influence on cancer growth and apoptosis. These novel findings may help to find new effective cancer treatments and to provide health protection for humans on future long-term spaceflights and exploration of outer space.
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Affiliation(s)
- José Luis Cortés-Sánchez
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.L.C.-S.); (M.K.); (A.K.); (M.I.)
| | - Jonas Callant
- Radiobiology Unit, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), 2400 Mol, Belgium; (J.C.); (B.B.); (S.B.)
| | - Marcus Krüger
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.L.C.-S.); (M.K.); (A.K.); (M.I.)
- Research Group ‘Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt-und Schwerelosigkeitsbedingungen’ (MARS), Otto von Guericke University, 39106 Magdeburg, Germany
| | - Jayashree Sahana
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark;
| | - Armin Kraus
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.L.C.-S.); (M.K.); (A.K.); (M.I.)
- Research Group ‘Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt-und Schwerelosigkeitsbedingungen’ (MARS), Otto von Guericke University, 39106 Magdeburg, Germany
| | - Bjorn Baselet
- Radiobiology Unit, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), 2400 Mol, Belgium; (J.C.); (B.B.); (S.B.)
| | - Manfred Infanger
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.L.C.-S.); (M.K.); (A.K.); (M.I.)
- Research Group ‘Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt-und Schwerelosigkeitsbedingungen’ (MARS), Otto von Guericke University, 39106 Magdeburg, Germany
| | - Sarah Baatout
- Radiobiology Unit, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), 2400 Mol, Belgium; (J.C.); (B.B.); (S.B.)
- Department Molecular Biotechnology, Ghent University, 9000 Ghent, Belgium
| | - Daniela Grimm
- Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany; (J.L.C.-S.); (M.K.); (A.K.); (M.I.)
- Research Group ‘Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt-und Schwerelosigkeitsbedingungen’ (MARS), Otto von Guericke University, 39106 Magdeburg, Germany
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark;
- Correspondence: ; Tel.: +45-21379702
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9
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Cialdai F, Bolognini D, Vignali L, Iannotti N, Cacchione S, Magi A, Balsamo M, Vukich M, Neri G, Donati A, Monici M, Capaccioli S, Lulli M. Effect of space flight on the behavior of human retinal pigment epithelial ARPE-19 cells and evaluation of coenzyme Q10 treatment. Cell Mol Life Sci 2021; 78:7795-7812. [PMID: 34714361 PMCID: PMC11073052 DOI: 10.1007/s00018-021-03989-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/20/2021] [Accepted: 10/13/2021] [Indexed: 10/20/2022]
Abstract
Astronauts on board the International Space Station (ISS) are exposed to the damaging effects of microgravity and cosmic radiation. One of the most critical and sensitive districts of an organism is the eye, particularly the retina, and > 50% of astronauts develop a complex of alterations designated as spaceflight-associated neuro-ocular syndrome. However, the pathogenesis of this condition is not clearly understood. In the current study, we aimed to explore the cellular and molecular effects induced in the human retinal pigment ARPE-19 cell line by their transfer to and 3-day stay on board the ISS in the context of an experiment funded by the Agenzia Spaziale Italiana. Treatment of cells on board the ISS with the well-known bioenergetic, antioxidant, and antiapoptotic coenzyme Q10 was also evaluated. In the ground control experiment, the cells were exposed to the same conditions as on the ISS, with the exception of microgravity and radiation. The transfer of ARPE-19 retinal cells to the ISS and their living on board for 3 days did not affect cell viability or apoptosis but induced cytoskeleton remodeling consisting of vimentin redistribution from the cellular boundaries to the perinuclear area, underlining the collapse of the network of intermediate vimentin filaments under unloading conditions. The morphological changes endured by ARPE-19 cells grown on board the ISS were associated with changes in the transcriptomic profile related to the cellular response to the space environment and were consistent with cell dysfunction adaptations. In addition, the results obtained from ARPE-19 cells treated with coenzyme Q10 indicated its potential to increase cell resistance to damage.
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Affiliation(s)
- Francesca Cialdai
- ASAcampus Joint Laboratory, ASA Res. Div., Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università Degli Studi Di Firenze, Firenze, Italy
| | - Davide Bolognini
- Department of Experimental and Clinical Medicine, Università Degli Studi Di Firenze, Firenze, Italy
| | - Leonardo Vignali
- ASAcampus Joint Laboratory, ASA Res. Div., Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università Degli Studi Di Firenze, Firenze, Italy
| | - Nicola Iannotti
- Department of Life Sciences, Università Degli Studi Di Siena, Siena, Italy
| | - Stefano Cacchione
- Department of Biology and Biotechnology "Charles Darwin", Università Di Roma "La Sapienza", Roma, Italy
| | - Alberto Magi
- Department of Information Engineering, Università Degli Studi Di Firenze, Firenze, Italy
| | | | | | | | | | - Monica Monici
- ASAcampus Joint Laboratory, ASA Res. Div., Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università Degli Studi Di Firenze, Firenze, Italy
| | - Sergio Capaccioli
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università Degli Studi Di Firenze, viale Morgagni 50, 50134, Firenze, Italy
| | - Matteo Lulli
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Università Degli Studi Di Firenze, viale Morgagni 50, 50134, Firenze, Italy.
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10
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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: 26] [Impact Index Per Article: 8.7] [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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11
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Microgravity, Stem Cells, and Cancer: A New Hope for Cancer Treatment. Stem Cells Int 2021; 2021:5566872. [PMID: 34007284 PMCID: PMC8102114 DOI: 10.1155/2021/5566872] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/17/2021] [Accepted: 04/19/2021] [Indexed: 12/11/2022] Open
Abstract
Humans are integrated with the environment where they live. Gravitational force plays an important role in shaping the universe, lives, and even cellular biological processes. Research in the last 40 years has shown how exposure to microgravity changes biological processes. Microgravity has been shown to have significant effects on cellular proliferation, invasion, apoptosis, migration, and gene expression, specifically in tumor cells, and these effects may also exist in stem and cancer stem cells. It has also been shown that microgravity changes the effects of chemotherapeutic drugs. Although studies have been carried out in a simulated microgravity environment in cell culture lines, there are few animal experiments or true microgravity studies. Cancer remains one of the most significant problems worldwide. Despite advances in medical science, no definitive strategies have been found for the prevention of cancer formation or to inform treatment. Thus, the microgravity environment is a potential new therapeutic strategy for future cancer treatment. This review will focus on current knowledge on the impact of the microgravity environment on cancer cells, stem cells, and the biological behavior of cancer stem cells.
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12
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Laranjeiro R, Harinath G, Pollard AK, Gaffney CJ, Deane CS, Vanapalli SA, Etheridge T, Szewczyk NJ, Driscoll M. Spaceflight affects neuronal morphology and alters transcellular degradation of neuronal debris in adult Caenorhabditis elegans. iScience 2021; 24:102105. [PMID: 33659873 PMCID: PMC7890410 DOI: 10.1016/j.isci.2021.102105] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/17/2020] [Accepted: 01/21/2021] [Indexed: 12/21/2022] Open
Abstract
Extended space travel is a goal of government space agencies and private companies. However, spaceflight poses risks to human health, and the effects on the nervous system have to be better characterized. Here, we exploited the unique experimental advantages of the nematode Caenorhabditis elegans to explore how spaceflight affects adult neurons in vivo. We found that animals that lived 5 days of adulthood on the International Space Station exhibited hyperbranching in PVD and touch receptor neurons. We also found that, in the presence of a neuronal proteotoxic stress, spaceflight promotes a remarkable accumulation of neuronal-derived waste in the surrounding tissues, suggesting an impaired transcellular degradation of debris released from neurons. Our data reveal that spaceflight can significantly affect adult neuronal morphology and clearance of neuronal trash, highlighting the need to carefully assess the risks of long-duration spaceflight on the nervous system and to develop adequate countermeasures for safe space exploration.
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Affiliation(s)
- Ricardo Laranjeiro
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Girish Harinath
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Amelia K. Pollard
- MRC Versus Arthritis Centre for Musculoskeletal Ageing Research and NIHR Nottingham BRC, University of Nottingham, Medical School Royal Derby Hospital, Derby, DE22 3DT, UK
| | - Christopher J. Gaffney
- Sport and Health Sciences, University of Exeter, Exeter, EX1 2LU, UK
- Lancaster Medical School, Health Innovation One, Lancaster University, Lancaster, LA1 4AT, UK
| | - Colleen S. Deane
- Sport and Health Sciences, University of Exeter, Exeter, EX1 2LU, UK
| | - Siva A. Vanapalli
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Timothy Etheridge
- Sport and Health Sciences, University of Exeter, Exeter, EX1 2LU, UK
| | - Nathaniel J. Szewczyk
- MRC Versus Arthritis Centre for Musculoskeletal Ageing Research and NIHR Nottingham BRC, University of Nottingham, Medical School Royal Derby Hospital, Derby, DE22 3DT, UK
- Ohio Musculoskeletal and Neurologic Institute and Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH 45701, USA
| | - Monica Driscoll
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
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13
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Monti N, Masiello MG, Proietti S, Catizone A, Ricci G, Harrath AH, Alwasel SH, Cucina A, Bizzarri M. Survival Pathways Are Differently Affected by Microgravity in Normal and Cancerous Breast Cells. Int J Mol Sci 2021; 22:ijms22020862. [PMID: 33467082 PMCID: PMC7829699 DOI: 10.3390/ijms22020862] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/12/2021] [Accepted: 01/13/2021] [Indexed: 12/16/2022] Open
Abstract
Metazoan living cells exposed to microgravity undergo dramatic changes in morphological and biological properties, which ultimately lead to apoptosis and phenotype reprogramming. However, apoptosis can occur at very different rates depending on the experimental model, and in some cases, cells seem to be paradoxically protected from programmed cell death during weightlessness. These controversial results can be explained by considering the notion that the behavior of adherent cells dramatically diverges in respect to that of detached cells, organized into organoids-like, floating structures. We investigated both normal (MCF10A) and cancerous (MCF-7) breast cells and found that appreciable apoptosis occurs only after 72 h in MCF-7 cells growing in organoid-like structures, in which major modifications of cytoskeleton components were observed. Indeed, preserving cell attachment to the substrate allows cells to upregulate distinct Akt- and ERK-dependent pathways in MCF-7 and MCF-10A cells, respectively. These findings show that survival strategies may differ between cell types but cannot provide sufficient protection against weightlessness-induced apoptosis alone if adhesion to the substrate is perturbed.
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Affiliation(s)
- Noemi Monti
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy;
- Systems Biology Group Lab, Sapienza University of Rome, 00161 Rome, Italy
| | - Maria Grazia Masiello
- Department of Surgery “Pietro Valdoni”, Sapienza University of Rome, 00161 Rome, Italy; (M.G.M.); (S.P.); (A.C.)
| | - Sara Proietti
- Department of Surgery “Pietro Valdoni”, Sapienza University of Rome, 00161 Rome, Italy; (M.G.M.); (S.P.); (A.C.)
| | - Angela Catizone
- Department of Anatomy, Histology, Forensic-Medicine and Orthopedics, Section of Histology and Embryology, Sapienza University of Rome, 00161 Rome, Italy;
| | - Giulia Ricci
- Department of Experimental Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Abdel Halim Harrath
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (A.H.H.); (S.H.A.)
| | - Saleh H. Alwasel
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (A.H.H.); (S.H.A.)
| | - Alessandra Cucina
- Department of Surgery “Pietro Valdoni”, Sapienza University of Rome, 00161 Rome, Italy; (M.G.M.); (S.P.); (A.C.)
- Azienda Policlinico Umberto I, 00161 Rome, Italy
| | - Mariano Bizzarri
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy;
- Systems Biology Group Lab, Sapienza University of Rome, 00161 Rome, Italy
- Correspondence: ; Tel.: +39-4976-6606
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14
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Prasad B, Grimm D, Strauch SM, Erzinger GS, Corydon TJ, Lebert M, Magnusson NE, Infanger M, Richter P, Krüger M. Influence of Microgravity on Apoptosis in Cells, Tissues, and Other Systems In Vivo and In Vitro. Int J Mol Sci 2020; 21:E9373. [PMID: 33317046 PMCID: PMC7764784 DOI: 10.3390/ijms21249373] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/04/2020] [Accepted: 12/06/2020] [Indexed: 02/07/2023] Open
Abstract
All life forms have evolved under the constant force of gravity on Earth and developed ways to counterbalance acceleration load. In space, shear forces, buoyance-driven convection, and hydrostatic pressure are nullified or strongly reduced. When subjected to microgravity in space, the equilibrium between cell architecture and the external force is disturbed, resulting in changes at the cellular and sub-cellular levels (e.g., cytoskeleton, signal transduction, membrane permeability, etc.). Cosmic radiation also poses great health risks to astronauts because it has high linear energy transfer values that evoke complex DNA and other cellular damage. Space environmental conditions have been shown to influence apoptosis in various cell types. Apoptosis has important functions in morphogenesis, organ development, and wound healing. This review provides an overview of microgravity research platforms and apoptosis. The sections summarize the current knowledge of the impact of microgravity and cosmic radiation on cells with respect to apoptosis. Apoptosis-related microgravity experiments conducted with different mammalian model systems are presented. Recent findings in cells of the immune system, cardiovascular system, brain, eyes, cartilage, bone, gastrointestinal tract, liver, and pancreas, as well as cancer cells investigated under real and simulated microgravity conditions, are discussed. This comprehensive review indicates the potential of the space environment in biomedical research.
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Affiliation(s)
- Binod Prasad
- Gravitational Biology Group, Department of Biology, Friedrich-Alexander University, Staudtstraße 5, 91058 Erlangen, Germany; (B.P.); (M.L.)
| | - Daniela Grimm
- Department of Biomedicine, Aarhus University, Høegh-Guldbergsgade 10, 8000 Aarhus C, Denmark; (D.G.); (T.J.C.)
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, 39106 Magdeburg, Germany; (M.I.); (M.K.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany
| | - Sebastian M. Strauch
- Postgraduate Program in Health and Environment, University of Joinville Region, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC 89219-710, Brazil; (S.M.S.); (G.S.E.)
| | - Gilmar Sidnei Erzinger
- Postgraduate Program in Health and Environment, University of Joinville Region, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC 89219-710, Brazil; (S.M.S.); (G.S.E.)
| | - Thomas J. Corydon
- Department of Biomedicine, Aarhus University, Høegh-Guldbergsgade 10, 8000 Aarhus C, Denmark; (D.G.); (T.J.C.)
- Department of Ophthalmology, Aarhus University Hospital, Palle Juul-Jensens Blvd. 99, 8200 Aarhus N, Denmark
| | - Michael Lebert
- Gravitational Biology Group, Department of Biology, Friedrich-Alexander University, Staudtstraße 5, 91058 Erlangen, Germany; (B.P.); (M.L.)
- Space Biology Unlimited SAS, 24 Cours de l’Intendance, 33000 Bordeaux, France
| | - Nils E. Magnusson
- Diabetes and Hormone Diseases, Medical Research Laboratory, Department of Clinical Medicine, Faculty of Health, Aarhus University, Palle Juul-Jensens Boulevard 165, 8200 Aarhus N, Denmark;
| | - Manfred Infanger
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, 39106 Magdeburg, Germany; (M.I.); (M.K.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany
| | - Peter Richter
- Gravitational Biology Group, Department of Biology, Friedrich-Alexander University, Staudtstraße 5, 91058 Erlangen, Germany; (B.P.); (M.L.)
| | - Marcus Krüger
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto von Guericke University, 39106 Magdeburg, Germany; (M.I.); (M.K.)
- Research Group “Magdeburger Arbeitsgemeinschaft für Forschung unter Raumfahrt- und Schwerelosigkeitsbedingungen” (MARS), Otto von Guericke University, 39106 Magdeburg, Germany
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15
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Johnson IRD, Nguyen CT, Wise P, Grimm D. Implications of Altered Endosome and Lysosome Biology in Space Environments. Int J Mol Sci 2020; 21:ijms21218205. [PMID: 33147843 PMCID: PMC7663135 DOI: 10.3390/ijms21218205] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 10/30/2020] [Accepted: 10/31/2020] [Indexed: 12/17/2022] Open
Abstract
Space exploration poses multiple challenges for mankind, not only on a technical level but also to the entire physiology of the space traveller. The human system must adapt to several environmental stressors, microgravity being one of them. Lysosomes are ubiquitous to every cell and essential for their homeostasis, playing significant roles in the regulation of autophagy, immunity, and adaptation of the organism to changes in their environment, to name a few. Dysfunction of the lysosomal system leads to age-related diseases, for example bone loss, reduced immune response or cancer. As these conditions have been shown to be accelerated following exposure to microgravity, this review elucidates the lysosomal response to real and simulated microgravity. Microgravity activates the endo-lysosomal system, with resulting impacts on bone loss, muscle atrophy and stem cell differentiation. The investigation of lysosomal adaptation to microgravity can be beneficial in the search for new biomarkers or therapeutic approaches to several disease pathologies on earth as well as the potential to mitigate pathophysiology during spaceflight.
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Affiliation(s)
- Ian R. D. Johnson
- Research in Space Environments Group, UniSA Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia;
- Correspondence:
| | - Catherine T. Nguyen
- Research in Space Environments Group, UniSA Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia;
| | - Petra Wise
- Department of Hematology and Oncology, Children’s Hospital of Los Angeles, Los Angeles, CA 90027, USA;
| | - Daniela Grimm
- Department of Microgravity and Translational Regenerative Medicine, Clinic for Plastic, Aesthetic and Hand Surgery, Otto-von-Guericke-University Magdeburg, 39106 Magdeburg, Germany;
- Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark
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16
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Simulated Microgravity Influences VEGF, MAPK, and PAM Signaling in Prostate Cancer Cells. Int J Mol Sci 2020; 21:ijms21041263. [PMID: 32070055 PMCID: PMC7072928 DOI: 10.3390/ijms21041263] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 01/31/2020] [Accepted: 02/11/2020] [Indexed: 02/07/2023] Open
Abstract
Prostate cancer is one of the leading causes of cancer mortality in men worldwide. An unusual but unique environment for studying tumor cell processes is provided by microgravity, either in space or simulated by ground-based devices like a random positioning machine (RPM). In this study, prostate adenocarcinoma-derived PC-3 cells were cultivated on an RPM for time periods of 3 and 5 days. We investigated the genes associated with the cytoskeleton, focal adhesions, extracellular matrix, growth, survival, angiogenesis, and metastasis. The gene expression of signaling factors of the vascular endothelial growth factor (VEGF), mitogen-activated protein kinase (MAPK), and PI3K/AKT/mTOR (PAM) pathways was investigated using qPCR. We performed immunofluorescence to study the cytoskeleton, histological staining to examine the morphology, and a time-resolved immunofluorometric assay to analyze the cell culture supernatants. When PC-3 cells were exposed to simulated microgravity (s-µg), some cells remained growing as adherent cells (AD), while most cells detached from the cell culture flask bottom and formed multicellular spheroids (MCS). After 3-day RPM exposure, PC-3 cells revealed significant downregulation of the VEGF, SRC1, AKT, MTOR, and COL1A1 gene expression in MCS, whereas FLT1, RAF1, MEK1, ERK1, FAK1, RICTOR, ACTB, TUBB, and TLN1 mRNAs were not significantly changed. ERK2 and TLN1 were elevated in AD, and FLK1, LAMA3, COL4A5, FN1, VCL, CDH1, and NGAL mRNAs were significantly upregulated in AD and MCS after 3 days. After a 5-day culture in s-µg, the PC-3 cells showed significant downregulations of VEGF mRNA in AD and MCS, and FN1, CDH1, and LAMA3 in AD and SCR1 in MCS. In addition, we measured significant upregulations in FLT1, AKT, ERK1, ERK2, LCN2, COL1A1, TUBB, and VCL mRNAs in AD and MCS, and increases in FLK1, FN1, and COL4A5 in MCS as well as LAMB2, CDH1, RAF1, MEK1, SRC1, and MTOR mRNAs in AD. FAK1 and RICTOR were not altered by s-µg. In parallel, the secretion rate of VEGFA and NGAL proteins decreased. Cytoskeletal alterations (F-actin) were visible, as well as a deposition of collagen in the MCS. In conclusion, RPM-exposure of PC-3 cells induced changes in their morphology, cytoskeleton, and extracellular matrix protein synthesis, as well as in their focal adhesion complex and growth behavior. The significant upregulation of genes belonging to the PAM pathway indicated their involvement in the cellular changes occurring in microgravity.
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17
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Sokolovskaya A, Korneeva E, Zaichenko D, Virus E, Kolesov D, Moskovtsev A, Kubatiev A. Changes in the Surface Expression of Intercellular Adhesion Molecule 3, the Induction of Apoptosis, and the Inhibition of Cell-Cycle Progression of Human Multidrug-Resistant Jurkat/A4 Cells Exposed to a Random Positioning Machine. Int J Mol Sci 2020; 21:E855. [PMID: 32013031 PMCID: PMC7037860 DOI: 10.3390/ijms21030855] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 01/21/2020] [Accepted: 01/27/2020] [Indexed: 12/18/2022] Open
Abstract
Experiments from flight- and ground-based model systems suggest that unexpected alterations of the human lymphoblastoid cell line Jurkat, as well as effects on cell growth, metabolism, and apoptosis, can occur in altered gravity conditions. Using a desktop random positioning machine (RPM), we investigated the effects of simulated microgravity on Jurkat cells and their multidrug-resistant subline, Jurkat/A4 cells. The viability of Jurkat/A4 cells decreased after simulated microgravity in contrast with the Jurkat cells. At the same time, the viability between the experimental Jurkat cells and control Jurkat cells was not significantly different. Of note, Jurkat cells appeared as less susceptible to apoptosis than their multidrug-resistant clone Jurkat/A4 cells, whereas cell-cycle analysis showed that the percentage of Jurkat/A4 cells in the S-phase was increased after 72 and 96 h of RPM-simulated microgravity relative to their static counterparts. The differences in Jurkat cells at all phases between static and simulated microgravity were not significant. The surface expression of the intercellular adhesion molecule 3 (ICAM-3)-also known as cluster of differentiation (CD)50-protein was changed for Jurkat/A4 cells following exposure to the RPM. Changes in cell morphology were observed in the Jurkat/A4 cells after 96 h of RPM-simulated microgravity. Thus, we concluded that Jurkat/A4 cells are more sensitive to RPM-simulated microgravity as compared with the parental Jurkat cell line. We also suggest that intercellular adhesion molecule 3 may be an important adhesion molecule involved in the induction of leukocyte apoptosis. The Jurkat/A4 cells with an acquired multidrug resistance phenotype could be a useful model for studying the effects of simulated microgravity and testing anticancer drugs.
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Affiliation(s)
- Alisa Sokolovskaya
- Department of Molecular and Cellular Pathophysiology, Institute of General Pathology and Pathophysiology, Baltiyskaya str. 8, 125315 Moscow, Russia; (E.K.); (D.Z.); (E.V.); (D.K.); (A.M.); (A.K.)
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