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Raja E, Changarathil G, Oinam L, Tsunezumi J, Ngo YX, Ishii R, Sasaki T, Imanaka‐Yoshida K, Yanagisawa H, Sada A. The extracellular matrix fibulin 7 maintains epidermal stem cell heterogeneity during skin aging. EMBO Rep 2022; 23:e55478. [PMID: 36278510 PMCID: PMC9724670 DOI: 10.15252/embr.202255478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 10/01/2022] [Accepted: 10/06/2022] [Indexed: 12/12/2022] Open
Abstract
Tissue stem cells (SCs) divide infrequently as a protective mechanism against internal and external stresses associated with aging. Here, we demonstrate that slow- and fast-cycling SCs in the mouse skin epidermis undergo distinct aging processes. Two years of lineage tracing reveals that Dlx1+ slow-cycling clones expand into the fast-cycling SC territory, while the number of Slc1a3+ fast-cycling clones gradually declines. Transcriptome analysis further indicate that the molecular properties of each SC population are altered with age. Mice lacking fibulin 7, an extracellular matrix (ECM) protein, show early impairments resembling epidermal SC aging, such as the loss of fast-cycling clones, delayed wound healing, and increased expression of inflammation- and differentiation-related genes. Fibulin 7 interacts with structural ECM and matricellular proteins, and the overexpression of fibulin 7 in primary keratinocytes results in slower proliferation and suppresses differentiation. These results suggest that fibulin 7 plays a crucial role in maintaining tissue resilience and epidermal SC heterogeneity during skin aging.
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Affiliation(s)
- Erna Raja
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA)University of TsukubaTsukubaJapan
| | - Gopakumar Changarathil
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA)University of TsukubaTsukubaJapan
- Graduate School of Comprehensive Human SciencesUniversity of TsukubaTsukubaJapan
| | - Lalhaba Oinam
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA)University of TsukubaTsukubaJapan
- School of Integrative and Global MajorsUniversity of TsukubaTsukubaJapan
| | - Jun Tsunezumi
- Department of Pharmaceutical SciencesKyushu University of Health and WelfareMiyazakiJapan
| | - Yen Xuan Ngo
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA)University of TsukubaTsukubaJapan
- School of Integrative and Global MajorsUniversity of TsukubaTsukubaJapan
| | - Ryutaro Ishii
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA)University of TsukubaTsukubaJapan
- Graduate School of Comprehensive Human SciencesUniversity of TsukubaTsukubaJapan
- Faculty of MedicineUniversity of TsukubaTsukubaJapan
| | - Takako Sasaki
- Department of Biochemistry IIOita UniversityOitaJapan
| | - Kyoko Imanaka‐Yoshida
- Department of Pathology and Matrix BiologyMie University Graduate School of MedicineMieJapan
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA)University of TsukubaTsukubaJapan
- Faculty of MedicineUniversity of TsukubaTsukubaJapan
| | - Aiko Sada
- International Research Center for Medical Sciences (IRCMS)Kumamoto UniversityKumamotoJapan
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA)University of TsukubaTsukubaJapan
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Xuan Ngo Y, Haga K, Suzuki A, Kato H, Yanagisawa H, Izumi K, Sada A. Isolation and Culture of Primary Oral Keratinocytes from the Adult Mouse Palate. J Vis Exp 2021. [PMID: 34633387 DOI: 10.3791/62820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
For years, most studies involving keratinocytes have been conducted using human and mouse skin epidermal keratinocytes. Recently, oral keratinocytes have attracted attention because of their unique function and characteristics. They maintain the homeostasis of the oral epithelium and serve as resources for applications in regenerative therapies. However, in vitro studies that use oral primary keratinocytes from adult mice have been limited due to the lack of an efficient and well-established culture protocol. Here, oral primary keratinocytes were isolated from the palate tissues of adult mice and cultured in a commercial low-calcium medium supplemented with a chelexed-serum. Under these conditions, keratinocytes were maintained in a proliferative or stem cell-like state, and their differentiation was inhibited even after increased passages. Marker expression analysis showed that the cultured oral keratinocytes expressed the basal cell markers p63, K14, and α6-integrin and were negative for the differentiation marker K13 and the fibroblast marker PDGFRα. This method produced viable and culturable cells suitable for downstream applications in the study of oral epithelial stem cell functions in vitro.
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Affiliation(s)
- Yen Xuan Ngo
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba; Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba; International Research Center for Medical Sciences (IRCMS), Kumamoto University
| | - Kenta Haga
- Division of Biomimetics, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University
| | - Ayako Suzuki
- Division of Biomimetics, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University
| | - Hiroko Kato
- Division of Biomimetics, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba; Faculty of Medicine, University of Tsukuba
| | - Kenji Izumi
- Division of Biomimetics, Faculty of Dentistry and Graduate School of Medical and Dental Sciences, Niigata University;
| | - Aiko Sada
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba; International Research Center for Medical Sciences (IRCMS), Kumamoto University;
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Umar BN, Adamu J, Ahmad MT, Ahmad KH, Sada A, Orakpoghenor O. Fowlpox virus: an overview of its classification, morphology and genome, replication mechanisms, uses as vaccine vector and disease dynamics. WORLD POULTRY SCI J 2021. [DOI: 10.1080/00439339.2021.1959278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- B. N. Umar
- Virology and Immunology Unit, Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria
| | - J Adamu
- Virology and Immunology Unit, Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria
| | - M. T Ahmad
- Avian and Fish Health Unit, Veterinary Teaching Hospital, Ahmadu Bello University, Zaria, Nigeria
| | - K. H. Ahmad
- Diagnostic Laboratory, Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria
| | - A. Sada
- Virology and Immunology Unit, Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria
- Central Diagnostic Unit, National Veterinary Research Institute (NVRI), Vom, Nigeria
| | - O. Orakpoghenor
- Department of Veterinary Pathology, Faculty of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria
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Kimura K, Ramirez K, Nguyen TAV, Yamashiro Y, Sada A, Yanagisawa H. Contribution of PDGFRα-positive cells in maintenance and injury responses in mouse large vessels. Sci Rep 2021; 11:8683. [PMID: 33883668 PMCID: PMC8060414 DOI: 10.1038/s41598-021-88126-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 04/07/2021] [Indexed: 11/09/2022] Open
Abstract
The maladaptive remodeling of vessel walls with neointima formation is a common feature of proliferative vascular diseases. It has been proposed that neointima formation is caused by the dedifferentiation of mature smooth muscle cells (SMCs). Recent evidence suggests that adventitial cells also participate in neointima formation; however, their cellular dynamics are not fully understood. In this study, we utilized a lineage tracing model of platelet-derived growth factor receptor alpha (PDGFRa) cells and examined cellular behavior during homeostasis and injury response. PDGFRa marked adventitial cells that were largely positive for Sca1 and a portion of medial SMCs, and both cell types were maintained for 2 years. Upon carotid artery ligation, PDGFRa-positive (+) cells were slowly recruited to the neointima and exhibited an immature SMC phenotype. In contrast, in a more severe wire denudation injury, PDGFRa+ cells were recruited to the neointima within 14 days and fully differentiated into SMCs. Under pressure overload induced by transverse aortic constriction, PDGFRa+ cells developed marked adventitial fibrosis. Taken together, our observations suggest that PDGFRa+ cells serve as a reservoir of adventitial cells and a subset of medial SMCs and underscore their context-dependent response to vascular injuries.
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Affiliation(s)
- Kenichi Kimura
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Karina Ramirez
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.,Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, Tsukuba, Japan
| | - Tram Anh Vu Nguyen
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.,Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, Tsukuba, Japan
| | - Yoshito Yamashiro
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan
| | - Aiko Sada
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan.,International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto, Japan
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan. .,Faculty of Medicine, University of Tsukuba, Tsukuba, Japan.
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Ichijo R, Kabata M, Kidoya H, Muramatsu F, Ishibashi R, Abe K, Tsutsui K, Kubo H, Iizuka Y, Kitano S, Miyachi H, Kubota Y, Fujiwara H, Sada A, Yamamoto T, Toyoshima F. Vasculature-driven stem cell population coordinates tissue scaling in dynamic organs. Sci Adv 2021; 7:eabd2575. [PMID: 33568475 PMCID: PMC7875541 DOI: 10.1126/sciadv.abd2575] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 12/28/2020] [Indexed: 06/12/2023]
Abstract
Stem cell (SC) proliferation and differentiation organize tissue homeostasis. However, how SCs regulate coordinate tissue scaling in dynamic organs remain unknown. Here, we delineate SC regulations in dynamic skin. We found that interfollicular epidermal SCs (IFESCs) shape basal epidermal proliferating clusters (EPCs) in expanding abdominal epidermis of pregnant mice and proliferating plantar epidermis. EPCs consist of IFESC-derived Tbx3+-basal cells (Tbx3+-BCs) and their neighboring cells where Adam8-extracellular signal-regulated kinase signaling is activated. Clonal lineage tracing revealed that Tbx3+-BC clones emerge in the abdominal epidermis during pregnancy, followed by differentiation after parturition. In the plantar epidermis, Tbx3+-BCs are sustained as long-lived SCs to maintain EPCs invariably. We showed that Tbx3+-BCs are vasculature-dependent IFESCs and identified mechanical stretch as an external cue for the vasculature-driven EPC formation. Our results uncover vasculature-mediated IFESC regulations, which explain how the epidermis adjusts its size in orchestration with dermal constituents in dynamic skin.
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Affiliation(s)
- Ryo Ichijo
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
| | - Mio Kabata
- Department of Life Science Frontiers, Center for iPS Cell Research and Application (CiRA), Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hiroyasu Kidoya
- Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Fumitaka Muramatsu
- Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Riki Ishibashi
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
| | - Kota Abe
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
- Department of Mammalian Regulatory Network, Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| | - Ko Tsutsui
- Laboratory for Tissue Microenvironment, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe 650-0047, Japan
| | - Hirokazu Kubo
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
- Department of Mammalian Regulatory Network, Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| | - Yui Iizuka
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
- Department of Mammalian Regulatory Network, Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| | - Satsuki Kitano
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hitoshi Miyachi
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yoshiaki Kubota
- Department of Anatomy, Keio University School of Medicine, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Hironobu Fujiwara
- Laboratory for Tissue Microenvironment, RIKEN Center for Biosystems Dynamics Research (BDR), Kobe 650-0047, Japan
| | - Aiko Sada
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
- International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto 860-0811, Japan
| | - Takuya Yamamoto
- Department of Life Science Frontiers, Center for iPS Cell Research and Application (CiRA), Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
- Institute for the Advanced Study of Human Biology (WPI-ASHBi), Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan
- AMED-CREST, AMED 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
- Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto 606-8507, Japan
| | - Fumiko Toyoshima
- Department of Biosystems Science, Institute for Frontier Life and Medical Science, Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan.
- Department of Mammalian Regulatory Network, Graduate School of Biostudies, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
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6
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Ishii R, Yanagisawa H, Sada A. Defining compartmentalized stem cell populations with distinct cell division dynamics in the ocular surface epithelium. Development 2020; 147:dev197590. [PMID: 33199446 PMCID: PMC7758628 DOI: 10.1242/dev.197590] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 11/04/2020] [Indexed: 12/11/2022]
Abstract
Adult tissues contain label-retaining cells (LRCs), which are relatively slow-cycling and considered to represent a property of tissue stem cells (SCs). In the ocular surface epithelium, LRCs are present in the limbus and conjunctival fornix; however, the character of these LRCs remains unclear, owing to lack of appropriate molecular markers. Using three CreER transgenic mouse lines, we demonstrate that the ocular surface epithelium accommodates spatially distinct populations with different cell division dynamics. In the limbus, long-lived Slc1a3CreER-labeled SCs either migrate centripetally toward the central cornea or slowly expand their clones laterally within the limbal region. In the central cornea, non-LRCs labeled with Dlx1CreER and K14CreER behave as short-lived progenitor cells. The conjunctival epithelium in the bulbar, fornix and palpebral compartment is regenerated by regionally unique SC populations. Severe damage to the cornea leads to the cancellation of SC compartments and conjunctivalization, whereas milder limbal injury induces a rapid increase of laterally expanding clones in the limbus. Taken together, our work defines compartmentalized multiple SC/progenitor populations of the mouse eye in homeostasis and their behavioral changes in response to injury.
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Affiliation(s)
- Ryutaro Ishii
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan
- Faculty of Medicine, University of Tsukuba, Tsukuba 305-8577, Japan
| | - Aiko Sada
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan
- International Research Center for Medical Sciences (IRCMS), Kumamoto University, Kumamoto 860-0811, Japan
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Oinam L, Changarathil G, Raja E, Ngo YX, Tateno H, Sada A, Yanagisawa H. Glycome profiling by lectin microarray reveals dynamic glycan alterations during epidermal stem cell aging. Aging Cell 2020; 19:e13190. [PMID: 32681764 PMCID: PMC7431822 DOI: 10.1111/acel.13190] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 05/01/2020] [Accepted: 06/06/2020] [Indexed: 12/02/2022] Open
Abstract
Aging in the epidermis is marked by a gradual decline in barrier function, impaired wound healing, hair loss, and an increased risk of cancer. This could be due to age‐related changes in the properties of epidermal stem cells and defective interactions with their microenvironment. Currently, no biochemical tools are available to detect and evaluate the aging of epidermal stem cells. The cellular glycosylation is involved in cell–cell communications and cell–matrix adhesions in various physiological and pathological conditions. Here, we explored the changes of glycans in epidermal stem cells as a potential biomarker of aging. Using lectin microarray, we performed a comprehensive glycan profiling of freshly isolated epidermal stem cells from young and old mouse skin. Epidermal stem cells exhibited a significant difference in glycan profiles between young and old mice. In particular, the binding of a mannose‐binder rHeltuba was decreased in old epidermal stem cells, whereas that of an α2‐3Sia‐binder rGal8N increased. These glycan changes were accompanied by upregulation of sialyltransferase, St3gal2 and St6gal1 and mannosidase Man1a genes in old epidermal stem cells. The modification of cell surface glycans by overexpressing these glycogenes leads to a defect in the regenerative ability of epidermal stem cells in culture. Hence, our study suggests the age‐related global alterations in cellular glycosylation patterns and its potential contribution to the stem cell function. These glycan modifications detected by lectins may serve as molecular markers for aging, and further functional studies will lead us to a better understanding of the process of skin aging.
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Affiliation(s)
- Lalhaba Oinam
- Life Science Center for Survival Dynamics Tsukuba Advanced Research Alliance (TARA) University of Tsukuba Tsukuba Japan
- Ph.D. Program in Human Biology School of Integrative and Global Majors University of Tsukuba Tsukuba Japan
| | - Gopakumar Changarathil
- Life Science Center for Survival Dynamics Tsukuba Advanced Research Alliance (TARA) University of Tsukuba Tsukuba Japan
- Graduate School of Comprehensive Human Sciences University of Tsukuba Tsukuba Japan
| | - Erna Raja
- Life Science Center for Survival Dynamics Tsukuba Advanced Research Alliance (TARA) University of Tsukuba Tsukuba Japan
- International Research Center for Medical Sciences (IRCMS) Kumamoto University Kumamoto Japan
| | - Yen Xuan Ngo
- Life Science Center for Survival Dynamics Tsukuba Advanced Research Alliance (TARA) University of Tsukuba Tsukuba Japan
- Ph.D. Program in Human Biology School of Integrative and Global Majors University of Tsukuba Tsukuba Japan
| | - Hiroaki Tateno
- Life Science Center for Survival Dynamics Tsukuba Advanced Research Alliance (TARA) University of Tsukuba Tsukuba Japan
- Cellular and Molecular Biotechnology Research Institute National Institute of Advanced Industrial Science and Technology Tsukuba Japan
| | - Aiko Sada
- Life Science Center for Survival Dynamics Tsukuba Advanced Research Alliance (TARA) University of Tsukuba Tsukuba Japan
- International Research Center for Medical Sciences (IRCMS) Kumamoto University Kumamoto Japan
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics Tsukuba Advanced Research Alliance (TARA) University of Tsukuba Tsukuba Japan
- Faculty of Medicine University of Tsukuba Tsukuba Japan
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Pinto L, Cefola M, Bonifacio MA, Cometa S, Bocchino C, Pace B, De Giglio E, Palumbo M, Sada A, Logrieco AF, Baruzzi F. Effect of red thyme oil (Thymus vulgaris L.) vapours on fungal decay, quality parameters and shelf-life of oranges during cold storage. Food Chem 2020; 336:127590. [PMID: 32763742 DOI: 10.1016/j.foodchem.2020.127590] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/13/2020] [Accepted: 07/13/2020] [Indexed: 10/23/2022]
Abstract
This work has been aimed at studying the effect of red thyme oil (RTO, Thymus vulgaris L.) on the shelf-life and Penicillium decay of oranges during cold storage. RTO vapours significantly reduced (P ≤ 0.05) the percentage of infected wounds, the external growth area and the production of spores in inoculated orange fruit stored for 12 days at 7 °C in a polypropylene film selected for its appropriate permeability. Among the RTO compounds, p-cymene and thymol were the most abundant in packed boxes at the end of cold storage. The RTO vapours did not affect the main quality parameters of the oranges, or the taste and odour of the juice. The results have shown that an active packaging, using RTO vapours, could be employed, by the citrus industry, to extend the shelf-life of oranges for fresh market use and juice processing.
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Affiliation(s)
- L Pinto
- Institute of Sciences of Food Production, National Research Council of Italy, Via G. Amendola 122/O, 70126 Bari, Italy.
| | - M Cefola
- Institute of Sciences of Food Production, National Research Council of Italy, Via M. Protano, 71121 Foggia, Italy.
| | - M A Bonifacio
- Department of Chemistry, University of Bari, Via Orabona 4, 70126 Bari, Italy.
| | - S Cometa
- Jaber Innovation S.r.l., Via Calcutta 8, 00144 Rome, Italy.
| | - C Bocchino
- Sada Packaging S.r.l., Via G. Salvemini snc, 84098 Pontecagnano Faiano, Salerno, Italy.
| | - B Pace
- Institute of Sciences of Food Production, National Research Council of Italy, Via M. Protano, 71121 Foggia, Italy.
| | - E De Giglio
- Department of Chemistry, University of Bari, Via Orabona 4, 70126 Bari, Italy.
| | - M Palumbo
- Institute of Sciences of Food Production, National Research Council of Italy, Via M. Protano, 71121 Foggia, Italy.
| | - A Sada
- Antonio Sada & Figli S.p.a., Via A. Pacinotti 30, 84098 Pontecagnano Faiano, Salerno, Italy.
| | - A F Logrieco
- Institute of Sciences of Food Production, National Research Council of Italy, Via G. Amendola 122/O, 70126 Bari, Italy.
| | - F Baruzzi
- Institute of Sciences of Food Production, National Research Council of Italy, Via G. Amendola 122/O, 70126 Bari, Italy.
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Kang S, Long K, Wang S, Sada A, Tumbar T. Histone H3 K4/9/27 Trimethylation Levels Affect Wound Healing and Stem Cell Dynamics in Adult Skin. Stem Cell Reports 2019; 14:34-48. [PMID: 31866458 PMCID: PMC6962642 DOI: 10.1016/j.stemcr.2019.11.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 01/03/2023] Open
Abstract
Epigenetic mechanisms controlling adult mammalian stem cell (SC) dynamics might be critical for tissue regeneration but are poorly understood. Mouse skin and hair follicle SCs (HFSCs) display reduced histone H3 K4me3, K9me3, and K27me3 methylation levels (hypomethylation) preceding hair growth. Chemical inhibition of relevant histone demethylases impairs subsequent differentiation and growth of HFs and delays wound healing. In wounding, this impairs epithelial cell differentiation and blood vessel recruitment, but not proliferation and fibroblast recruitment. With Aspm-CreER as a newfound inter-follicular epidermis lineage-labeling tool, and Lgr5-CreER for hair follicles, we demonstrate a reduced contribution of both lineages to wound healing after interfering with hypomethylation. Blocked hypomethylation increases BMP4 expression and selectively upregulates H3 K4me3 on the Bmp4 promoter, which may explain the effects on HFSC quiescence, hair cycle, and injury repair. Thus, transient hypomethylation of histone H3 K4/9/27me3 is essential for adult skin epithelial SC dynamics for proper tissue homeostasis and repair. H3 K4/9/27me3 hypomethylation is necessary for proper subsequent wound healing Hypomethylation affects dynamics of both hair follicle and inter-follicular lineages Hypomethylation affects hair follicle stem cell activation and differentiation Aspm-CreER, a genetic driver specific to inter-follicular epidermis in mouse skin
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Affiliation(s)
- Sangjo Kang
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Kylie Long
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Sherry Wang
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Aiko Sada
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA; International Research Center for Medical Sciences, Kumamoto University, Kumamoto City 860-0811, Japan
| | - Tudorita Tumbar
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA.
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Tsunezumi J, Sugiura H, Oinam L, Ali A, Thang BQ, Sada A, Yamashiro Y, Kuro-O M, Yanagisawa H. Fibulin-7, a heparin binding matricellular protein, promotes renal tubular calcification in mice. Matrix Biol 2018; 74:5-20. [PMID: 29730503 DOI: 10.1016/j.matbio.2018.04.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 04/28/2018] [Accepted: 04/28/2018] [Indexed: 12/11/2022]
Abstract
Ectopic calcification occurs during development of chronic kidney disease and has a negative impact on long-term prognosis. The precise molecular mechanism and prevention strategies, however, are not established. Fibulin-7 (Fbln7) is a matricellular protein structurally similar to elastogenic short fibulins, shown to bind dental mesenchymal cells and heparin. Here, we report that Fbln7 is highly expressed in renal tubular epithelium in the adult kidney and mediates renal calcification in mice. In vitro analysis revealed that Fbln7 bound heparin at the N-terminal coiled-coil domain. In Fbln7-expressing CHO-K1 cells, exogenous heparin increased the release of Fbln7 into conditioned media in a dose-dependent manner. This heparin-induced Fbln7 release was abrogated in CHO-745 cells lacking heparan sulfate proteoglycan or in CHO-K1 cells expressing the Fbln7 mutant lacking the N-terminal coiled-coil domain, suggesting that Fbln7 was tethered to pericellular matrix via this domain. Interestingly, Fbln7 knockout (Fbln7-/-) mice were protected from renal tubular calcification induced by high phosphate diet. Mechanistically, Fbln7 bound artificial calcium phosphate particles (aCPP) implicated in calcification and renal inflammation. Binding was decreased significantly in Fbln7-/- primary kidney cells relative to wild-type cells. Further, overexpression of Fbln7 increased binding to aCPP. Addition of heparin reduced binding between aCPP and wild-type cells to levels of Fbln7-/- cells. Taken together, our study suggests that Fbln7 is a local mediator of calcium deposition and that releasing Fbln7 from the cell surface by heparin/heparin derivatives or Fbln7 inhibitory antibodies may provide a novel strategy to prevent ectopic calcification in vivo.
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Affiliation(s)
- Jun Tsunezumi
- Department of Medicine, Division of Nephrology, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Hidekazu Sugiura
- Fourth Department of Internal Medicine, Tokyo Women's Medical University, Tokyo 162-8666, Japan; Department of Nephrology, Division of Medicine, Saiseikai Kurihashi Hospital, Saitama 349-1105, Japan
| | - Lalhaba Oinam
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan; Ph.D. Program in Human Biology, School of Integrative and Global Majors, University of Tsukuba, 305-8577, Japan
| | - Aktar Ali
- Center for Mineral Metabolism and Clinical Research, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Bui Quoc Thang
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan; Department of Cardiovascular Surgery, University of Tsukuba, Tsukuba 305-8575, Japan
| | - Aiko Sada
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan
| | - Yoshito Yamashiro
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan
| | - Makoto Kuro-O
- Center for Molecular Medicine, Jichi Medical University, Tochigi 329-0498, Japan
| | - Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance (TARA), University of Tsukuba, Tsukuba 305-8577, Japan; Faculty of Medicine, University of Tsukuba, Tsukuba, 305-8575, Japan.
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11
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Cebreros D, Sada A, Miragall L, Puche M. Unwanted unaesthetic results of the fronto-orbital advancement for nonsyndromic craniosynostosis and how we avoid them. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Sada A, Jain P, Wang S, Leung E, Tumbar T. Slc1a3-CreER as a Targeting Tool for the K6+ Epithelial Stem Cell Niche and its Precursors during Mouse Hair Follicle Cycle. J Invest Dermatol 2017; 137:1569-1571. [PMID: 28259680 DOI: 10.1016/j.jid.2017.02.974] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Revised: 02/08/2017] [Accepted: 02/08/2017] [Indexed: 10/20/2022]
Affiliation(s)
- Aiko Sada
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA; Life Science Center, Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Prachi Jain
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA
| | - Sherry Wang
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA
| | - Eva Leung
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA
| | - Tudorita Tumbar
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA.
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13
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Zhou Z, Shirakawa T, Ohbo K, Sada A, Wu Q, Hasegawa K, Saba R, Saga Y. RNA Binding Protein Nanos2 Organizes Post-transcriptional Buffering System to Retain Primitive State of Mouse Spermatogonial Stem Cells. Dev Cell 2015; 34:96-107. [DOI: 10.1016/j.devcel.2015.05.014] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Revised: 03/12/2015] [Accepted: 05/18/2015] [Indexed: 01/08/2023]
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14
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Lee S, Sada A, Zhang M, McDermitt D, Lu S, Kemphues K, Tumbar T. High Runx1 Levels Promote a Reversible, More-Differentiated Cell State in Hair-Follicle Stem Cells during Quiescence. Cell Rep 2014. [DOI: 10.1016/j.celrep.2014.01.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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15
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Lee SE, Sada A, Zhang M, McDermitt DJ, Lu SY, Kemphues KJ, Tumbar T. High Runx1 levels promote a reversible, more-differentiated cell state in hair-follicle stem cells during quiescence. Cell Rep 2014; 6:499-513. [PMID: 24462289 DOI: 10.1016/j.celrep.2013.12.039] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 10/31/2013] [Accepted: 12/27/2013] [Indexed: 12/17/2022] Open
Abstract
Quiescent hair follicle (HF) bulge stem cells (SCs) differentiate to early progenitor (EP) hair germ (HG) cells, which divide to produce transit-amplifying matrix cells. EPs can revert to SCs upon injury, but whether this dedifferentiation occurs in normal HF homeostasis (hair cycle) and the mechanisms regulating both differentiation and dedifferentiation are unclear. Here, we use lineage tracing, gain of function, transcriptional profiling, and functional assays to examine the role of observed endogenous Runx1 level changes in the hair cycle. We find that forced Runx1 expression induces hair degeneration (catagen) and simultaneously promotes changes in the quiescent bulge SC transcriptome toward a cell state resembling the EP HG fate. This cell-state transition is functionally reversible. We propose that SC differentiation and dedifferentiation are likely to occur during normal HF degeneration and niche restructuring in response to changes in endogenous Runx1 levels associated with SC location with respect to the niche.
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Affiliation(s)
- Song Eun Lee
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Aiko Sada
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Meng Zhang
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - David J McDermitt
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Shu Yang Lu
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Kenneth J Kemphues
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - Tudorita Tumbar
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA.
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16
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Nagatomo H, Kagawa S, Kishi Y, Takuma T, Sada A, Yamanaka KI, Abe Y, Wada Y, Takahashi M, Kono T, Kawahara M. Transcriptional Wiring for Establishing Cell Lineage Specification at the Blastocyst Stage in Cattle. Biol Reprod 2013; 88:158. [DOI: 10.1095/biolreprod.113.108993] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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17
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Abstract
Stem cells can self-renew and differentiate over extended periods of time. Understanding how stem cells acquire their fates is a central question in stem cell biology. Early work in Drosophila germ line and neuroblast showed that fate choice is achieved by strict asymmetric divisions that can generate each time one stem and one differentiated cell. More recent work suggests that during homeostasis, some stem cells can divide symmetrically to generate two differentiated cells or two identical stem cells to compensate for stem cell loss that occurred by direct differentiation or apoptosis. The interplay of all these factors ensures constant tissue regeneration and the maintenance of stem cell pool size. This interplay can be modeled as a population-deterministic dynamics that, at least in some systems, may be described as stochastic behavior. Here, we overview recent progress made on the characterization of stem cell dynamics in regenerative tissues.
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Affiliation(s)
- Aiko Sada
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA
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18
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Sada A, Hasegawa K, Pin PH, Saga Y. NANOS2 Acts Downstream of Glial Cell Line-Derived Neurotrophic Factor Signaling to Suppress Differentiation of Spermatogonial Stem Cells. Stem Cells 2012; 30:280-91. [DOI: 10.1002/stem.790] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Abstract
The sudden onset, short duration and stereotyped features of panic attacks, and the fear aura of seizures starting at the mesial aspects of the temporal lobe, suggest common mechanisms underlying panic disorder (PD) and mesiotemporal epilepsy (MTLE). However, current consensus emphasizes the importance of differentiating the two entities based on 1) intact consciousness in panic attacks, 2) poor response to antiepileptics, and 3) unsuccessful electrophysiological attempts to demonstrate a relationship. We report two cases with a diagnosis of PD that had been partially responsive to first line treatments. During the EEG session, both patients developed panic symptoms with minimal EEG changes in response to paper bag-hyperventilation (PB-HV), and several minutes later presented a clear ictal EEG pattern associated with very different clinical symptoms, but both with strong fear content. Z-scored LORETA analysis showed increased current source densities (CSD) at the right amygdala in both subjects during the induced panic symptoms. Several areas were involved during the seizure, different in each subject. Yet, a very significant increase at the amygdala was found in both cases. The LORETA Z-scored source correlation (LSC) analysis also showed similar abnormal patterns during the panic symptoms in both patients, and marked differences during the seizure. These findings show a major role of amygdalar hyperactivity in both fear-related conditions for the two patients, and are discussed in relation to existing models of PD in general. Abnormal overactivation at mesiotemporal regions is poorly represented at the surface recordings but can be detected by the appropriate analytical techniques.
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Affiliation(s)
- M Gerez
- Department of Neurophysiology, Hospital Español de Mexico, Mexico City 11520, USA.
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20
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Abstract
BACKGROUND The regulation of gene expression via a 3' untranslated region (UTR) plays essential roles in the discrimination of the germ cell lineage from somatic cells during embryogenesis. This is fundamental to the continuation of a species. Mouse NANOS3 is an essential protein required for the germ cell maintenance and is specifically expressed in these cells. However, the regulatory mechanisms that restrict the expression of this gene in the germ cells is largely unknown at present. METHODOLOGY/PRINCIPAL FINDINGS In our current study, we show that differences in the stability of Nanos3 mRNA between germ cells and somatic cells is brought about in a 3'UTR-dependent manner in mouse embryos. Although Nanos3 is transcribed in both cell lineages, it is efficiently translated only in the germ lineage. We also find that the translational suppression of NANOS3 in somatic cells is caused by a 3'UTR-mediated mRNA destabilizing mechanism. Surprisingly, even when under the control of the CAG promoter which induces strong ubiquitous transcription in both germ cells and somatic cells, the addition of the Nanos3-3'UTR sequence to the coding region of exogenous gene was effective in restricting protein expression in germ cells. CONCLUSIONS/SIGNIFICANCE Our current study thus suggests that Nanos3-3'UTR has an essential role in translational control in the mouse embryo.
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Affiliation(s)
- Hitomi Suzuki
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
| | - Rie Saba
- Division of Mammalian Development, National Institute of Genetics, Shizuoka, Japan
| | - Aiko Sada
- Department of Genetics, The Graduate University for Advanced Studies (Sokendai), Shizuoka, Japan
| | - Yumiko Saga
- Department of Biological Sciences, Graduate School of Science, University of Tokyo, Tokyo, Japan
- Division of Mammalian Development, National Institute of Genetics, Shizuoka, Japan
- Department of Genetics, The Graduate University for Advanced Studies (Sokendai), Shizuoka, Japan
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21
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Suzuki H, Sada A, Yoshida S, Saga Y. The heterogeneity of spermatogonia is revealed by their topology and expression of marker proteins including the germ cell-specific proteins Nanos2 and Nanos3. Dev Biol 2009; 336:222-31. [PMID: 19818747 DOI: 10.1016/j.ydbio.2009.10.002] [Citation(s) in RCA: 159] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2008] [Revised: 08/25/2009] [Accepted: 10/01/2009] [Indexed: 12/19/2022]
Abstract
Spermatogonial stem cells (SSCs) reside in undifferentiated type-A spermatogonia and contribute to continuous spermatogenesis by maintaining the balance between self-renewal and differentiation, thereby meeting the biological demand in the testis. Spermatogonia have to date been characterized principally through their morphology, but we herein report the detailed characterization of undifferentiated spermatogonia in mouse testes based on their gene expression profiles in combination with topological features. The detection of the germ cell-specific proteins Nanos2 and Nanos3 as markers of spermatogonia has enabled the clear dissection of complex populations of these cells as Nanos2 was recently shown to be involved in the maintenance of stem cells. Nanos2 is found to be almost exclusively expressed in A(s) to A(pr) cells, whereas Nanos3 is detectable in most undifferentiated spermatogonia (A(s) to A(al)) and differentiating A(1) spermatogonia. In our present study, we find that A(s) and A(pr) can be basically classified into three categories: (1) GFRalpha1(+)Nanos2(+)Nanos3(-)Ngn3(-), (2) GFRalpha1(+)Nanos2(+)Nanos3(+)Ngn3(-), and (3) GFRalpha1(-)Nanos2(+/-)Nanos3(+)Ngn3(+). We propose that the first of these groups is most likely to include the stem cell population and that Nanos3 may function in transit amplifying cells.
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Affiliation(s)
- Hitomi Suzuki
- Department of Biological Sciences, Graduate School of Science, University of Tokyo Bunkyo, Hongo, Tokyo, 113-0033, Japan
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22
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Abstract
Stem cells give rise to differentiated cell types but also preserve their undifferentiated state through cell self-renewal. With the use of transgenic mice, we found that the RNA-binding protein NANOS2 is essential for maintaining spermatogonial stem cells. Lineage-tracing analyses revealed that undifferentiated spermatogonia expressing Nanos2 self-renew and generate the entire spermatogenic cell lineage. Conditional disruption of postnatal Nanos2 depleted spermatogonial stem cell reserves, whereas mouse testes in which Nanos2 had been overexpressed accumulated spermatogonia with undifferentiated, stem cell-like properties. Thus, NANOS2 is a key stem cell regulator that is expressed in self-renewing spermatogonial stem cells and maintains the stem cell state during murine spermatogenesis.
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Affiliation(s)
- Aiko Sada
- Department of Genetics, SOKENDAI, 1111 Yata, Mishima, Shizuoka 411-8540, Japan
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23
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24
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Yamasaki H, Sada A, Iwata T, Niwa T, Tomizawa M, Xanthopoulos KG, Koike T, Shiojiri N. Suppression of C/EBPalpha expression in periportal hepatoblasts may stimulate biliary cell differentiation through increased Hnf6 and Hnf1b expression. Development 2006; 133:4233-43. [PMID: 17021047 DOI: 10.1242/dev.02591] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The expression of C/EBPalpha, which may govern transcription of mature hepatocyte marker genes, was suppressed in periportal hepatoblasts in mouse liver development, leading to biliary cell differentiation. This study was undertaken to analyze how inactivation of the Cebpa gene affects biliary cell differentiation and gene expression of the regulatory genes for that differentiation, including Hnf1b and Hnf6. In the knockout mouse liver at midgestation stages, pseudoglandular structures were abundantly induced in the parenchyma with elevated expression of Hnf6 and Hnf1b mRNAs. The wild-type liver parenchyma expressed mRNAs of these transcription factors at low levels, though periportal biliary progenitors had strong expression of them. These results suggest that expression of Hnf6 and Hnf1b is downstream of C/EBPalpha action in fetal liver development, and that the suppression of C/EBPalpha expression in periportal hepatoblasts may lead to expression of Hnf6 and Hnf1b mRNAs. Immunohistochemical studies with biliary cell markers in knockout livers demonstrated that differentiated biliary epithelial cells were confined to around the portal veins. The suppression of C/EBPalpha expression may result in upregulation of Hnf6 and Hnf1b gene expression, but be insufficient for biliary cell differentiation. When liver fragments of Cebpa-knockout fetuses, in which hepatoblasts were contained as an endodermal component, were transplanted in the testis of Scid (Prkdc) male mice, almost all hepatoblasts gave rise to biliary epithelial cells. Wild-type hepatoblasts constructed mature hepatic tissue accompanied by biliary cell differentiation. These results also demonstrate that the suppression of C/EBPalpha expression may stimulate biliary cell differentiation.
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Affiliation(s)
- Harufumi Yamasaki
- Department of Biology, Faculty of Science, Shizuoka University, 836 Oya, Surugaku, Shizuoka City, Shizuoka 422-8529, Japan
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25
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Giulio BD, Orlando P, Barba G, Coppola R, Rosa MD, Sada A, Prisco PPD, Nazzaro F. Use of alginate and cryo-protective sugars to improve the viability of lactic acid bacteria after freezing and freeze-drying. World J Microbiol Biotechnol 2005. [DOI: 10.1007/s11274-004-4735-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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26
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Yakushijin K, Murayama T, Mizuno I, Sada A, Koizumi T, Imoto S. Chronic eosinophilic leukemia with unique chromosomal abnormality, t(5;12) (q33;q22). Am J Hematol 2001; 68:301-2. [PMID: 11754424 DOI: 10.1002/ajh.1191] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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27
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Sugimoto T, Imoto S, Matsuo Y, Kojima K, Yasukawa M, Murayama T, Kohfuku J, Mizuno I, Yakushijin K, Sada A, Nishimura R, Koizumi T. T-cell receptor gammadelta T-cell leukemia with the morphology of T-cell prolymphocytic leukemia and a postthymic immunophenotype. Ann Hematol 2001; 80:749-51. [PMID: 11797117 DOI: 10.1007/s00277-001-0381-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2001] [Accepted: 08/30/2001] [Indexed: 11/25/2022]
Abstract
T-cell prolymphocytic leukemia (T-PLL) is a postthymic T-cell neoplasm with a characteristic morphology and heterogeneous immunophenotype. Most cases of T-PLL express membrane T-cell receptors (TCRs) of the alphabeta phenotype. We experienced a 30-year-old man suffering from TCRgammadelta T-cell leukemia with morphology compatible to T-PLL with a postthymic phenotype. He was admitted with skin eruption and pancytopenia. Peripheral blood and bone marrow were occupied with medium-sized lymphocytes, which had moderately condensed chromatin with a single nucleolus and sparse, nongranular basophilic cytoplasm. The immunophenotype was CD1a-, CD2-, CD3+, CD4-, CD5+, CD7+, CD8-, and terminal deoxynucleotidyl transferase negative. Hepatosplenomegaly was absent. He was diagnosed as having T-PLL and was treated with combination chemotherapy. Six months later the leukemic cell became chemoresistant. Although the patient showed transient improvement in response to pentostatin, he died 13 months after the diagnosis. To our knowledge, this is the first case of T-PLL with a TCRgammadelta phenotype.
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MESH Headings
- Adult
- Anemia
- Antigens, CD/analysis
- Bone Marrow/pathology
- Cell Membrane/immunology
- Cytogenetic Analysis
- Erythema
- Flow Cytometry
- Gene Rearrangement, delta-Chain T-Cell Antigen Receptor
- Gene Rearrangement, gamma-Chain T-Cell Antigen Receptor
- HLA-DR Antigens/analysis
- Humans
- Immunophenotyping
- Leukemia, Prolymphocytic/diagnosis
- Leukemia, Prolymphocytic/immunology
- Leukemia, Prolymphocytic/pathology
- Leukemia, T-Cell/diagnosis
- Leukemia, T-Cell/immunology
- Leukemia, T-Cell/pathology
- Leukocyte Count
- Lymphatic Diseases
- Lymphocyte Count
- Male
- Microscopy, Electron
- Receptors, Antigen, T-Cell, gamma-delta/analysis
- Receptors, Antigen, T-Cell, gamma-delta/genetics
- Thymus Gland/pathology
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Affiliation(s)
- T Sugimoto
- Clinical Research Institute, Hyogo Medical Center for Adults, Hyogo, Japan
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Santin M, Rosso F, Sada A, Peluso G, Improta R, Trincone A. Enzymatic synthesis of 2-β-D-galactopyranosyloxy ethyl methacrylate (GalEMA) by the thermophilic archeonSulfolobus solfataricus. Biotechnol Bioeng 1996; 49:217-22. [DOI: 10.1002/(sici)1097-0290(19960120)49:2<217::aid-bit10>3.0.co;2-b] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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29
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Branford D, Sada A, Davinson T, Davis NJ, Macdonald EW, Rahighi J, Sellin P, Shepherd-Themistocleous CH, Shotter AC. Kinematically complete study of the 7Li(p, gamma )8Be*-->2 alpha reaction at Ep=25 MeV. Phys Rev C Nucl Phys 1991; 43:2866-2869. [PMID: 9967353 DOI: 10.1103/physrevc.43.2866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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30
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Sada A, Santin M, Cacace MG. Beta-N-acetylglucosaminidase activity from sea urchin spermatozoa. Ital J Biochem 1990; 39:190A-192A. [PMID: 2391230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- A Sada
- Istituto di Biochimica delle Proteine ed Enzimologia, CNR, Arco Felice, Napoli
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31
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Honda T, Cacace MG, Sada A, Tokushige M. Characterization of the reactivity of sulphydryl groups in tryptophanase by a dual-monitoring high-performance liquid chromatographic system with a site-directed fluorescent reagent. J Chromatogr A 1986; 371:353-60. [PMID: 3558554 DOI: 10.1016/s0021-9673(01)94718-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Sulphydryl groups of E. coli tryptophanase (L-tryptophan indole lyase, E.C. 4.1.99.1) were made to react with a fluorescent maleimide derivative, N-(4-anilino-1-naphthyl)maleimide(ANM). By carefully controlling the reaction conditions it was possible to limit the extent of sulphydryl group modification. The modified enzyme was digested with (L-1-tosylamide-2-phenylethyl chloromethyl ketone)-trypsin. The fluorescent peptides obtained were analysed by reversed-phase high-performance liquid chromatography on a C18 column with a dual-monitoring system consisting of a UV and a fluorescence monitor connected in tandem. This was followed by the determination of the amino acid composition of the fluorescent peptides. Comparison of these results with the known, complete primary structure of tryptophanase from the K-12 strain of E. coli allowed the assignment of position 298 to the cysteine residue, which is more selectively modified by ANM under the conditions chosen and is involved in the maintenance of the catalytic activity.
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32
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Ohtsuka N, Ohkuma T, Hongoh H, Sada A, Sugihara S, Miyauchi Y, Sugimoto M, Ando M, Matsuda T, Iwamasa T. [Adenocarcinoma arising in a bronchial cyst of the mediastinum]. Gan No Rinsho 1985; 31:1914-8. [PMID: 4094073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A 39 year-old man with a mediastinal tumor was operated on. After the median sternotomy incision, a mediastinal cyst, which was connected to the right pulmonary hilus with a string, was found. The microscopic examination of the cyst revealed a bronchial cyst with ciliated columunar epithelium and muscle fibers. Adenocarcinoma was found in the mucosa of the cyst. This patient seemed to be the first reported instance of carcinoma in a mediastinal bronchial cyst.
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Geraci G, Sada A, Cirotto C. Cooperative, low-molecular-weight dimeric myoglobins from the radular muscle of the gastropod mollusc Nassa mutabilis L. Eur J Biochem 1977; 77:555-60. [PMID: 19256 DOI: 10.1111/j.1432-1033.1977.tb11698.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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