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Bai L, Tani T, Kobayashi T, Nouda R, Kanai Y, Sano Y, Takami K, Tomita H, Sugano E, Ozaki T, Kiyono T, Fukuda T. Establishment of immortalized Egyptian Rousettus bat cell lines. FEBS Open Bio 2024; 14:598-612. [PMID: 38373743 PMCID: PMC10988675 DOI: 10.1002/2211-5463.13781] [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: 10/03/2023] [Revised: 01/04/2024] [Accepted: 02/09/2024] [Indexed: 02/21/2024] Open
Abstract
The Egyptian Rousettus bat (Rousettus aegyptiacus) is a common fruit bat species that is distributed mainly in Africa and the Middle East. Bats serve as reservoir hosts for numerous pathogens. Human activities, such as hunting bats for food, managing vermin, and causing habitat loss, elevate the likelihood of transmission of bat pathogens to humans and other animals. Consequently, bat cell lines play a crucial role as research materials for investigating viral pathogens. However, the inherent limitation of finite cell division in primary cells necessitates the use of immortalized cells derived from various bat tissues. Herein, we successfully established six fibroblast cell lines derived from an infant bat heart and lungs and an elderly bat heart. Three of the six cell lines, called K4DT cells, were transduced by a combination of cell cycle regulators, mutant cyclin-dependent kinase 4, cyclin D1, and human telomerase reverse transcriptase. The other three cell lines, named SV40 cells, were transfected with simian virus 40 large T antigen. Transgene protein expression was detected in the transduced cells. All three K4DT cell lines and one lung-derived SV40 cell line were virtually immortalized and nearly maintained the normal diploid karyotypes. However, the two other heart-derived SV40 cell lines had aberrant karyotypes and the young bat-derived cell line stopped proliferating at approximately 40 population doublings. These bat cell lines are valuable for studying pathogen genomics and biology.
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Affiliation(s)
- Lanlan Bai
- Graduate School of Science and EngineeringIwate UniversityJapan
| | - Tetsuya Tani
- Laboratory of Animal Reproduction, Department of AgricultureKindai UniversityNaraJapan
| | - Takeshi Kobayashi
- Department of Virology, Research Institute for Microbial DiseasesOsaka UniversityJapan
| | - Ryotaro Nouda
- Department of Virology, Research Institute for Microbial DiseasesOsaka UniversityJapan
| | - Yuta Kanai
- Department of Virology, Research Institute for Microbial DiseasesOsaka UniversityJapan
| | - Yusuke Sano
- Local Independent Administrative Agency Tennoji Zoological GardensOsakaJapan
| | - Kazutoshi Takami
- Osaka Municipal Tennoji Zoological GardensJapan
- Present address:
*Toyohashi Zoo and Botanical ParkToyohashiJapan
| | - Hiroshi Tomita
- Graduate School of Science and EngineeringIwate UniversityJapan
| | - Eriko Sugano
- Graduate School of Science and EngineeringIwate UniversityJapan
| | - Taku Ozaki
- Graduate School of Science and EngineeringIwate UniversityJapan
| | - Tohru Kiyono
- Exploratory Oncology Research & Clinical Trial CenterNational Cancer CenterChibaJapan
| | - Tomokazu Fukuda
- Graduate School of Science and EngineeringIwate UniversityJapan
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Dill MN, Tabatabaei M, Kamat M, Basso KB, Moore E, Simmons CS. Generation and characterization of two immortalized dermal fibroblast cell lines from the spiny mouse (Acomys). PLoS One 2023; 18:e0280169. [PMID: 37418364 PMCID: PMC10328323 DOI: 10.1371/journal.pone.0280169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 06/14/2023] [Indexed: 07/09/2023] Open
Abstract
The spiny mouse (Acomys) is gaining popularity as a research organism due to its phenomenal regenerative capabilities. Acomys recovers from injuries to several organs without fibrosis. For example, Acomys heals full thickness skin injuries with rapid re-epithelialization of the wound and regeneration of hair follicles, sebaceous glands, erector pili muscles, adipocytes, and dermis without scarring. Understanding mechanisms of Acomys regeneration may uncover potential therapeutics for wound healing in humans. However, access to Acomys colonies is limited and primary fibroblasts can only be maintained in culture for a limited time. To address these obstacles, we generated immortalized Acomys dermal fibroblast cell lines using two methods: transfection with the SV40 large T antigen and spontaneous immortalization. The two cell lines (AcoSV40 and AcoSI-1) maintained the morphological and functional characteristics of primary Acomys fibroblasts, including maintenance of key fibroblast markers and ECM deposition. The availability of these cells will lower the barrier to working with Acomys as a model research organism, increasing the pace at which new discoveries to promote regeneration in humans can be made.
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Affiliation(s)
- Michele N. Dill
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida, United States of America
| | - Mohammad Tabatabaei
- Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, Florida, United States of America
| | - Manasi Kamat
- Department of Chemistry, University of Florida, Gainesville, Florida, United States of America
| | - Kari B. Basso
- Department of Chemistry, University of Florida, Gainesville, Florida, United States of America
| | - Erika Moore
- Department of Materials Science and Engineering, University of Florida, Gainesville, Florida, United States of America
| | - Chelsey S. Simmons
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida, United States of America
- Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, Florida, United States of America
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Jiang H, Song S, Li J, Yin Q, Hu S, Nie Y. Establishment and characterization of an immortalized epicardial cell line. J Cell Mol Med 2021; 25:6070-6081. [PMID: 33822475 PMCID: PMC8406488 DOI: 10.1111/jcmm.16496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 03/03/2021] [Accepted: 03/06/2021] [Indexed: 12/11/2022] Open
Abstract
Recently, the increasing significance of the epicardium in cardiac development and regeneration is beginning to be recognized. However, because of the small proportion of primary epicardial cells and the limited cell culture time, further research on the mechanism of epicardial cells is hindered. Here, we transfected simian virus 40 Large T (SV40-LT) into primary epicardial cells to establish an immortalized cell line, named EpiSV40. We further demonstrated that EpiSV40 can be easy to culture and has the proliferation, migration and differentiation capacities comparable to primary epicardial cells. EpiSV40 can serve as an ideal in vitro model for epicardial cell research, which will booster the study of the epicardium in cardiac development and heart regeneration.
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Affiliation(s)
- Haobin Jiang
- State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Shen Song
- State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Jiacheng Li
- Biodynamic Optical Imaging Center and Center for Reproductive MedicineCollege of Life SciencesThird HospitalPeking UniversityBeijingChina
| | - Qianqian Yin
- State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Shengshou Hu
- State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
| | - Yu Nie
- State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina
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Li P, Chen Y, Yang K, Chen D, Kong D. Mechanical characteristics of BMSCs-intervened sciatic nerve in chronic alcohol-intoxicated animal model. Int J Neurosci 2020; 131:650-656. [PMID: 32233713 DOI: 10.1080/00207454.2020.1750397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To study the mechanical properties of sciatic nerve in rats with chronic alcoholism (CA) and intervened with bone marrow mesenchymal stem cells (BMSCs) and to provide biomechanical basis for clinical practice. METHODS the serum of the BMSCs-intervened CA rats was sampled and determined the contents of malondialdehyde (MDA), metallothionein (CAS, MT), and Glutathione/r -glutamyl cysteinyl/glycine (GSH); meanwhile, the rats' sciatic nerve was tested the tensile and observed the histomorphological changes. RESULTS The mechanical properties of sciatic nerve in BMSCs-intervened CA rats, as well as the serum levels of MT and GSH, were significantly different from those in the basic fibroblast growth factor (bFGF)-intervened CA rats (p < 0.05). CONCLUSIONS BMSCs intervention can restore the levels of MT, GSH, MDA, histomorphology, and tensile mechanical properties in CA animal model, and its effects on repairing sciatic nerve are obvious.
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Affiliation(s)
- Peng Li
- Department of Mechanics, School of Mechanical and Aerospace Engineering, Jilin University, Changchun, China
| | - Yudong Chen
- Department of Mechanics, School of Mechanical and Aerospace Engineering, Jilin University, Changchun, China
| | - Kun Yang
- Aviation Fundamental College, Aviation University of Air Force, Changchun, China
| | - Dachuan Chen
- Aviation Fundamental College, Aviation University of Air Force, Changchun, China
| | - Daliang Kong
- Department of Orthopedics, China-Japan Friendship Hospital, Jilin University, Changchun, China
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Chen Y, Hu S, Wang M, Zhao B, Yang N, Li J, Chen Q, Liu M, Zhou J, Bao G, Wu X. Characterization and Establishment of an Immortalized Rabbit Melanocyte Cell Line Using the SV40 Large T Antigen. Int J Mol Sci 2019; 20:ijms20194874. [PMID: 31575080 PMCID: PMC6802187 DOI: 10.3390/ijms20194874] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 09/24/2019] [Accepted: 09/25/2019] [Indexed: 12/27/2022] Open
Abstract
Melanocytes (MCs) are specialized cells that synthesize melanin within the melanosome. Cultured MCs are useful in order to study their role in relation to pigmentation. However, MC isolation is laborious and the obtained cells have a limited culture time. In this study, we transformed lentivirus-mediated simian virus 40 Large T (SV40-LT) into primary rabbit melanocytes (Pri RMCs) to establish an immortalized cell line. Morphologically, the immortalized RMCs (Im RMC) were indistinguishable from the Pri RMCs, and dendrites were visible following Dopa staining. No significant differences in cell proliferation or growth between immortalized and primary RMCs were observed. Based on melanocyte-specific markers, the expression of MITF, TYR, and TYRP1 were detected by PCR, immunofluorescence staining, and western blot analysis. Through karyotype, soft agar, and tumorigenesis assays, the immortalized RMCs did not undergo malignant transformation. Our results show that Im RMCs can be used as a tool cell for future MC studies on the pigmentation mechanisms of fur animals.
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Affiliation(s)
- Yang Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Shuaishuai Hu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Manman Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Bohao Zhao
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Naisu Yang
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Jiali Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Qiuran Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Ming Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Juan Zhou
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
| | - Guolian Bao
- Animal Husbandry and Veterinary Research Institute Zhejiang Academy of Agricultural Sciences Hangzhou 310021, Zhejiang, China.
| | - Xinsheng Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, Jiangsu, China.
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, Jiangsu, China.
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Hu H, Zheng N, Gao H, Dai W, Zhang Y, Li S, Wang J. Immortalized bovine mammary epithelial cells express stem cell markers and differentiate in vitro. Cell Biol Int 2016; 40:861-72. [DOI: 10.1002/cbin.10624] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 05/07/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Han Hu
- Ministry of Agriculture-Milk Risk Assessment Laboratory, State Key Laboratory of Animal Nutrition; Institute of Animal Science, Chinese Academy of Agricultural Sciences; Beijing 100193 China
- Institute of Apicultural Research/Key laboratory of Pollinating Biology; Ministry of Agriculture, Chinese Academy of Agricultural Sciences; Beijing 100193 China
| | - Nan Zheng
- Ministry of Agriculture-Milk Risk Assessment Laboratory, State Key Laboratory of Animal Nutrition; Institute of Animal Science, Chinese Academy of Agricultural Sciences; Beijing 100193 China
| | - Haina Gao
- Institute of Apicultural Research/Key laboratory of Pollinating Biology; Ministry of Agriculture, Chinese Academy of Agricultural Sciences; Beijing 100193 China
| | - Wenting Dai
- Institute of Apicultural Research/Key laboratory of Pollinating Biology; Ministry of Agriculture, Chinese Academy of Agricultural Sciences; Beijing 100193 China
| | - Yangdong Zhang
- Institute of Apicultural Research/Key laboratory of Pollinating Biology; Ministry of Agriculture, Chinese Academy of Agricultural Sciences; Beijing 100193 China
| | - Songli Li
- Institute of Apicultural Research/Key laboratory of Pollinating Biology; Ministry of Agriculture, Chinese Academy of Agricultural Sciences; Beijing 100193 China
| | - Jiaqi Wang
- Institute of Apicultural Research/Key laboratory of Pollinating Biology; Ministry of Agriculture, Chinese Academy of Agricultural Sciences; Beijing 100193 China
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Alwin Prem Anand A, Gowri Sankar S, Kokila Vani V. Immortalization of neuronal progenitors using SV40 large T antigen and differentiation towards dopaminergic neurons. J Cell Mol Med 2014; 16:2592-610. [PMID: 22863662 PMCID: PMC4118228 DOI: 10.1111/j.1582-4934.2012.01607.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Transplantation is common in clinical practice where there is availability of the tissue and organ. In the case of neurodegenerative disease such as Parkinson's disease (PD), transplantation is not possible as a result of the non-availability of tissue or organ and therefore, cell therapy is an innovation in clinical practice. However, the availability of neuronal cells for transplantation is very limited. Alternatively, immortalized neuronal progenitors could be used in treating PD. The neuronal progenitor cells can be differentiated into dopaminergic phenotype. Here in this article, the current understanding of the molecular mechanisms involved in the differentiation of dopaminergic phenotype from the neuronal progenitors immortalized with SV40 LT antigen is discussed. In addition, the methods of generating dopaminergic neurons from progenitor cells and the factors that govern their differentiation are elaborated. Recent advances in cell-therapy based transplantation in PD patients and future prospects are discussed.
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Baron O, Förthmann B, Lee YW, Terranova C, Ratzka A, Stachowiak EK, Grothe C, Claus P, Stachowiak MK. Cooperation of nuclear fibroblast growth factor receptor 1 and Nurr1 offers new interactive mechanism in postmitotic development of mesencephalic dopaminergic neurons. J Biol Chem 2012; 287:19827-40. [PMID: 22514272 DOI: 10.1074/jbc.m112.347831] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Experiments in mice deficient for Nurr1 or expressing the dominant-negative FGF receptor (FGFR) identified orphan nuclear receptor Nurr1 and FGFR1 as essential factors in development of mesencephalic dopaminergic (mDA) neurons. FGFR1 affects brain cell development by two distinct mechanisms. Activation of cell surface FGFR1 by secreted FGFs stimulates proliferation of neural progenitor cells, whereas direct integrative nuclear FGFR1 signaling (INFS) is associated with an exit from the cell cycle and neuronal differentiation. Both Nurr1 and INFS activate expression of neuronal genes, such as tyrosine hydroxylase (TH), which is the rate-limiting enzyme in dopamine synthesis. Here, we show that nuclear FGFR1 and Nurr1 are expressed in the nuclei of developing TH-positive cells in the embryonic ventral midbrain. Both nuclear receptors were effectively co-immunoprecipitated from the ventral midbrain of FGF-2-deficient embryonic mice, which previously showed an increase of mDA neurons and enhanced nuclear FGFR1 accumulation. Immunoprecipitation and co-localization experiments showed the presence of Nurr1 and FGFR1 in common nuclear protein complexes. Fluorescence recovery after photobleaching and chromatin immunoprecipitation experiments demonstrated the Nurr1-mediated shift of nuclear FGFR1-EGFP mobility toward a transcriptionally active population and that both Nurr1 and FGFR1 bind to a common region in the TH gene promoter. Furthermore, nuclear FGFR1 or its 23-kDa FGF-2 ligand (FGF-2(23)) enhances Nurr1-dependent activation of the TH gene promoter. Transcriptional cooperation of FGFR1 with Nurr1 was confirmed on isolated Nurr1-binding elements. The proposed INFS/Nurr1 nuclear partnership provides a novel mechanism for TH gene regulation in mDA neurons and a potential therapeutic target in neurodevelopmental and neurodegenerative disorders.
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Affiliation(s)
- Olga Baron
- Institute of Neuroanatomy, Hannover Medical School, 30625 Hannover, Germany
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Hansmann F, Pringproa K, Ulrich R, Sun Y, Herder V, Kreutzer M, Baumgärtner W, Wewetzer K. Highly malignant behavior of a murine oligodendrocyte precursor cell line following transplantation into the demyelinated and nondemyelinated central nervous system. Cell Transplant 2012; 21:1161-75. [PMID: 22420305 DOI: 10.3727/096368911x627444] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Understanding the basic mechanisms that control CNS remyelination is of direct clinical relevance. Suitable model systems include the analysis of naturally occurring and genetically generated mouse mutants and the transplantation of oligodendrocyte precursor cells (OPCs) following experimental demyelination. However, aforementioned studies were exclusively carried out in rats and little is known about the in vivo behavior of transplanted murine OPCs. Therefore in the present study, we (i) established a model of ethidium bromide-induced demyelination of the caudal cerebellar peduncle (CCP) in the adult mouse and (ii) studied the distribution and marker expression of the murine OPC line BO-1 expressing the enhanced green fluorescent protein (eGFP) 10 and 17 days after stereotaxic implantation. Injection of ethidium bromide (0.025%) in the CCP resulted in a severe loss of myelin, marked astrogliosis, and mild to moderate axonal alterations. Transplanted cells formed an invasive and liquorogenic metastasizing tumor, classified as murine giant cell glioblastoma. Transplanted BO-1 cells displayed substantially reduced CNPase expression as compared to their in vitro phenotype, low levels of MBP and GFAP, prominent upregulation of NG2, PDGFRα, nuclear p53, and an unaltered expression of signal transducer and activator of transcription (STAT)-3. Summarized environmental signaling in the brain stem was not sufficient to trigger oligodendrocytic differentiation of BO-1 cells and seemed to block CNPase expression. Moreover, the lack of the remyelinating capacity was associated with tumor formation indicating that BO-1 cells may serve as a versatile experimental model to study tumorigenesis of glial tumors.
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Affiliation(s)
- Florian Hansmann
- Department of Pathology, University of Veterinary Medicine Hannover, Hannover, Germany
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