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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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Oinam L, Hayashi R, Hiemori K, Kiyoi K, Sage-Ono K, Miura K, Ono M, Tateno H. Quantitative evaluation of glycan-binding specificity of recombinant concanavalin A produced in lettuce (Lactuca sativa). Biotechnol Bioeng 2022; 119:1781-1791. [PMID: 35394653 DOI: 10.1002/bit.28099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 02/25/2022] [Accepted: 03/31/2022] [Indexed: 11/10/2022]
Abstract
Concanavalin A (ConA), a mannose (Man)-specific leguminous lectin isolated from the jack bean (Canavalia ensiformis) seed extracts, was discovered over a century ago. Although ConA has been extensively applied in various life science research, recombinant mature ConA expression has not been fully established. Here, we aimed to produce recombinant ConA (rConA) in lettuce (Lactuca sativa) using an Agrobacterium tumefaciens-mediated transient expression system. rConA could be produced as a fully active form from soluble fractions of lettuce leaves and purified by affinity chromatography. From 12 g wet weight of lettuce leaves, 0.9 mg rConA could be purified. The glycan-binding properties of rConA were then compared with that of the native ConA isolated from jack bean using glycoconjugate microarray and frontal affinity chromatography. rConA demonstrated a glycan-binding specificity similar to nConA. Both molecules bound to N-glycans containing a terminal Man residue. Consistent with previous reports, terminal Manα1-6Man was found to be an essential unit for the high-affinity binding of rConA and nConA, while bisecting GlcNAc diminished the binding of rConA and nConA to Manα1-6Man-terminated N-glycans. These results demonstrate that the fully active rConA could be produced using the A. tumefaciens-mediated transient expression system and used as a recombinant substitute for nConA.
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Affiliation(s)
- Lalhaba Oinam
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
| | - Ryoma Hayashi
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Keiko Hiemori
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
| | - Kayo Kiyoi
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
| | - Kimiyo Sage-Ono
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Kenji Miura
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Michiyuki Ono
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
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Oinam L, Tateno H. Glycan Profiling by Sequencing to Uncover Multicellular Communication: Launching Glycobiology in Single Cells and Microbiomes. Front Cell Dev Biol 2022; 10:919168. [PMID: 35712658 PMCID: PMC9197256 DOI: 10.3389/fcell.2022.919168] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 04/13/2022] [Accepted: 05/02/2022] [Indexed: 11/13/2022] Open
Abstract
Glycans are essential building blocks of life that are located at the outermost surface of all cells from mammals to bacteria and even viruses. Cell surface glycans mediate multicellular communication in diverse biological processes and are useful as “surface markers” to identify cells. Various single-cell sequencing technologies have already emerged that enable the high-throughput analysis of omics information, such as transcriptome and genome profiling on a cell-by-cell basis, which has advanced our understanding of complex multicellular interactions. However, there has been no robust technology to analyze the glycome in single cells, mainly because glycans with branched and heterogeneous structures cannot be readily amplified by polymerase chain reactions like nucleic acids. We hypothesized that the generation of lectins conjugated with DNA barcodes (DNA-barcoded lectins) would enable the conversion of glycan information to gene information, which may be amplified and measured using DNA sequencers. This technology will enable the simultaneous analysis of glycan and RNA in single cells. Based on this concept, we developed a technology to analyze glycans and RNA in single cells, which was referred to as scGR-seq. Using scGR-seq, we acquired glycan and gene expression profiles of individual cells constituting heterogeneous cell populations, such as tissues. We further extended Glycan-seq to the profiling of the surface glycans of bacteria and even gut microbiota. Glycan-seq and scGR-seq are new technologies that enable us to elucidate the function of glycans in cell–cell and cell–microorganism communication, which extends glycobiology to the level of single cells and microbiomes.
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Affiliation(s)
- Lalhaba Oinam
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan
| | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan
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Oinam L, Minoshima F, Tateno H. Glycan profiling of the gut microbiota by Glycan-seq. ISME Commun 2022; 2:1. [PMID: 37938656 PMCID: PMC9723764 DOI: 10.1038/s43705-021-00084-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 12/09/2021] [Accepted: 12/16/2021] [Indexed: 05/07/2023]
Abstract
Bacterial glycans modulate the cross talk between the gut microbiota and its host. However, little is known about these glycans because of the lack of appropriate technology to study them. In this study, we applied Glycan-seq technology for glycan profiling of the intact gut microbiota of mice. The evaluation of cultured gram-positive (Deinococcus radiodurans) and gram-negative (Escherichia coli) bacteria showed significantly distinct glycan profiles between these bacteria, which were selected and further analyzed by flow cytometry. The results of flow cytometry agreed well with those obtained by Glycan-seq, indicating that Glycan-seq can be used for bacterial glycan profiling. We thus applied Glycan-seq for comparative glycan profiling of pups and adult mice gut microbiotas. The glycans of the pups and adult microbiotas had significantly distinct glycan profiles, which reflect the different bacterial compositions of pups and adult gut microbiotas based on 16S rRNA gene sequencing.α2-6Sia-binders bound specifically to the pups microbiota. Lectin pull-down followed by 16S rRNA gene sequencing of the pups microbiota identified Lactobacillaceae as the most abundant bacterial family with glycans reacting with α2-6Sia-binders. The Glycan-seq system can reveal the glycan profile of the intact bacterial gut microbiota.
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Affiliation(s)
- Lalhaba Oinam
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8566, Japan
| | - Fumi Minoshima
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8566, Japan
| | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8566, Japan.
- AMED-Prime, AMED, Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8566, Japan.
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Abstract
Glycan microarray is an essential tool to study glycan-binding proteins called lectins. Using glycan microarrays, glycan-binding specificity can be analyzed by incubation with an array in which a series of glycans are immobilized. Various research groups in the world have developed glycan microarray. Among them, our glycan microarray has two unique points: one is the incorporation of the evanescent-field fluorescence detection system, and another is the use of multivalent glycopolymers. These two unique properties allow high-sensitive detection from a relatively limited amount of only nanograms of lectins, which could even be applied in crude samples such as cell lysates and cell culture media. Thus, this system is suitable for the first screening of lectins, lectin-like molecules, lectin candidates, and lectin mutants. Here we describe the protocols to analyze glycan-binding specificity of lectins using our glycan microarray system.
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Affiliation(s)
- Lalhaba Oinam
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 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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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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