1
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Chen Y, Meng W, Ren G, An N, Zhang J, Liu Z, Wu X, Yin W, Hu X, Liu Z, Feng F, Chen Y. NLRP3 inflammasome inhibition of OP9 cells enhance therapy for inflammatory bowel disease. Heliyon 2023; 9:e18038. [PMID: 37483815 PMCID: PMC10362138 DOI: 10.1016/j.heliyon.2023.e18038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 07/01/2023] [Accepted: 07/05/2023] [Indexed: 07/25/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are becoming more popular in therapy. Therefore, in-depth studies on mesenchymal stem cells in therapy are urgently needed. However, the difficulty in culturing and propagating MSCs in vitro complicates potential studies on MSCs in a murine model. OP9 cells are a stromal cell line from mouse bone marrow, which have similar characteristics and functions to MSCs and can maintain their original characteristics. Because of these properties, OP9 cells have become a suitable substitute for research on MSCs. Previously, we have found that MSCs can cure inflammatory bowel disease in mice. In this study, we aimed to investigate whether OP9 cells can functionally regulate and alleviate inflammatory diseases. We evaluated the therapeutic effect of OP9 cells in the mouse model of inflammatory bowel disease and found OP9 cells were able to ameliorate inflammatory bowel disease. We explored the existence of NLRP3 inflammasome in OP9 cells, and showed better therapeutic effects when the NLRP3 inflammasome was suppressed. Thus, OP9 cell line is similar to MSCs in characteristic and function, and is an ideal substitute for MSCs research. The preliminary exploration of the inflammasome system in OP9 cells lays a theoretical and methodological foundation for further study of MSCs.
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Affiliation(s)
- Yutong Chen
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Weicheng Meng
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Guangming Ren
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, 710032, China
| | - Ning An
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Jing Zhang
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhixin Liu
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Xiaoshuang Wu
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Wen Yin
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Xingbin Hu
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Zheng Liu
- Kobilka Institute of Innovative Drug Discovery, School of Medicine, Chinese University of Hong Kong, Shenzhen, Guangdong, 518172, China
| | - Fan Feng
- Division of Digestive Surgery, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, 710032, China
| | - Yaozhen Chen
- Department of Transfusion Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
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2
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Miura T, Kouno T, Takano M, Kuroda T, Yamamoto Y, Kusakawa S, Morioka MS, Sugawara T, Hirai T, Yasuda S, Sawada R, Matsuyama S, Kawaji H, Kasukawa T, Itoh M, Matsuyama A, Shin JW, Umezawa A, Kawai J, Sato Y. Single-Cell RNA-Seq Reveals LRRC75A-Expressing Cell Population Involved in VEGF Secretion of Multipotent Mesenchymal Stromal/Stem Cells Under Ischemia. Stem Cells Transl Med 2023; 12:379-390. [PMID: 37263619 PMCID: PMC10267575 DOI: 10.1093/stcltm/szad029] [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: 01/21/2023] [Accepted: 04/15/2023] [Indexed: 06/03/2023] Open
Abstract
Human multipotent mesenchymal stromal/stem cells (MSCs) have been utilized in cell therapy for various diseases and their clinical applications are expected to increase in the future. However, the variation in MSC-based product quality due to the MSC heterogeneity has resulted in significant constraints in the clinical utility of MSCs. Therefore, we hypothesized that it might be important to identify and ensure/enrich suitable cell subpopulations for therapies using MSC-based products. In this study, we aimed to identify functional cell subpopulations to predict the efficacy of angiogenic therapy using bone marrow-derived MSCs (BM-MSCs). To assess its angiogenic potency, we observed various levels of vascular endothelial growth factor (VEGF) secretion among 11 donor-derived BM-MSC lines under in vitro ischemic culture conditions. Next, by clarifying the heterogeneity of BM-MSCs using single-cell RNA-sequencing analysis, we identified a functional cell subpopulation that contributed to the overall VEGF production in BM-MSC lines under ischemic conditions. We also found that leucine-rich repeat-containing 75A (LRRC75A) was more highly expressed in this cell subpopulation than in the others. Importantly, knockdown of LRRC75A using small interfering RNA resulted in significant inhibition of VEGF secretion in ischemic BM-MSCs, indicating that LRRC75A regulates VEGF secretion under ischemic conditions. Therefore, LRRC75A may be a useful biomarker to identify cell subpopulations that contribute to the angiogenic effects of BM-MSCs. Our work provides evidence that a strategy based on single-cell transcriptome profiles is effective for identifying functional cell subpopulations in heterogeneous MSC-based products.
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Affiliation(s)
- Takumi Miura
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
- Center for Regenerative Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - Tsukasa Kouno
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Megumi Takano
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
| | - Takuya Kuroda
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
| | - Yumiko Yamamoto
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Shinji Kusakawa
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
| | | | - Tohru Sugawara
- Center for Regenerative Medicine, National Center for Child Health and Development, Tokyo, Japan
- Biopharmaceutical and Regenerative Sciences, Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan
| | - Takamasa Hirai
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
| | - Satoshi Yasuda
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
| | - Rumi Sawada
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
| | - Satoko Matsuyama
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
- Center for Reverse TR, Osaka Habikino Medical Center, Osaka Prefectural Hospital Organization, Osaka, Japan
| | - Hideya Kawaji
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Research Center for Genome & Medical Sciences, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Takeya Kasukawa
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Masayoshi Itoh
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Akifumi Matsuyama
- Center for Reverse TR, Osaka Habikino Medical Center, Osaka Prefectural Hospital Organization, Osaka, Japan
| | - Jay W Shin
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Genomic Institute of Singapore, Agency for Science, Technology and Research, Singapore
| | - Akihiro Umezawa
- Center for Regenerative Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - Jun Kawai
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Life Science Technology Project, Kanagawa Institute of Industrial Science and Technology, Kawasaki, Japan
| | - Yoji Sato
- Division of Cell-Based Therapeutic Products, National Institute of Health Sciences, Kanagawa, Japan
- Life Science Technology Project, Kanagawa Institute of Industrial Science and Technology, Kawasaki, Japan
- Department of Cellular and Gene Therapy Products, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
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3
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Figueiredo C, Blasczyk R. Generation of HLA Universal Megakaryocytes and Platelets by Genetic Engineering. Front Immunol 2021; 12:768458. [PMID: 34777386 PMCID: PMC8579098 DOI: 10.3389/fimmu.2021.768458] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/11/2021] [Indexed: 11/13/2022] Open
Abstract
Patelet transfusion refractoriness remains a relevant hurdle in the treatment of severe alloimmunized thrombocytopenic patients. Antibodies specific for the human leukocyte antigens (HLA) class I are considered the major immunological cause for PLT transfusion refractoriness. Due to the insufficient availability of HLA-matched PLTs, the development of new technologies is highly desirable to provide an adequate management of thrombocytopenia in immunized patients. Blood pharming is a promising strategy not only to generate an alternative to donor blood products, but it may offer the possibility to optimize the therapeutic effect of the produced blood cells by genetic modification. Recently, enormous technical advances in the field of in vitro production of megakaryocytes (MKs) and PLTs have been achieved by combining progresses made at different levels including identification of suitable cell sources, cell pharming technologies, bioreactors and application of genetic engineering tools. In particular, use of RNA interference, TALEN and CRISPR/Cas9 nucleases or nickases has allowed for the generation of HLA universal PLTs with the potential to survive under refractoriness conditions. Genetically engineered HLA-silenced MKs and PLTs were shown to be functional and to have the capability to survive cell- and antibody-mediated cytotoxicity using in vitro and in vivo models. This review is focused on the methods to generate in vitro genetically engineered MKs and PLTs with the capacity to evade allogeneic immune responses.
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Affiliation(s)
- Constanca Figueiredo
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Hannover, Germany
| | - Rainer Blasczyk
- Institute of Transfusion Medicine and Transplant Engineering, Hannover Medical School, Hannover, Germany
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4
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Ono‐Uruga Y, Ikeda Y, Matsubara Y. Platelet production using adipose-derived mesenchymal stem cells: Mechanistic studies and clinical application. J Thromb Haemost 2021; 19:342-350. [PMID: 33217130 PMCID: PMC7898515 DOI: 10.1111/jth.15181] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/29/2020] [Accepted: 11/12/2020] [Indexed: 12/12/2022]
Abstract
Megakaryocytes (MKs) are platelet progenitor stem cells found in the bone marrow. Platelets obtained from blood draws can be used for therapeutic applications, especially platelet transfusion. The needs for platelet transfusions for clinical situation is increasing, due in part to the growing number of patients undergoing chemotherapy. Platelets obtained from donors, however, have the disadvantages of a limited storage lifespan and the risk of donor-related infection. Extensive effort has therefore been directed at manufacturing platelets ex vivo. Here, we review ex vivo technologies for MK development, focusing on human adipose tissue-derived mesenchymal stem/stromal cell line (ASCL)-based strategies and their potential clinical application. Bone marrow and adipose tissues contain mesenchymal stem/stromal cells that have an ability to differentiate into MKs, which release platelets. Taking advantage of this mechanism, we developed a donor-independent system for manufacturing platelets for clinical application using ASCL established from adipose-derived mesenchymal stem/stromal cells (ASCs). Culture of ASCs with endogenous thrombopoietin and its receptor c-MPL, and endogenous genes such as p45NF-E2 leads to MK differentiation and subsequent platelet production. ASCs compose heterogeneous cells, however, and are not suitable for clinical application. Thus, we established ASCLs, which expand into a more homogeneous population, and fulfill the criteria for mesenchymal stem cells set by the International Society for Cellular Therapy. Using our ASCL culture system with MK lineage induction medium without recombinant thrombopoietin led to peak production of platelets within 12 days, which may be sufficient for clinical application.
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Affiliation(s)
- Yukako Ono‐Uruga
- Clinical and Translational Research CenterKeio University School of MedicineTokyoJapan
| | - Yasuo Ikeda
- Department of HematologyKeio University School of MedicineTokyoJapan
- Life Science and Medical BioscienceWaseda UniversityTokyoJapan
| | - Yumiko Matsubara
- Clinical and Translational Research CenterKeio University School of MedicineTokyoJapan
- Department of Laboratory MedicineKeio University School of MedicineTokyoJapan
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5
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Yang J, Luan J, Shen Y, Chen B. Developments in the production of platelets from stem cells (Review). Mol Med Rep 2020; 23:7. [PMID: 33179095 PMCID: PMC7673345 DOI: 10.3892/mmr.2020.11645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 10/13/2020] [Indexed: 01/01/2023] Open
Abstract
Platelets are small pieces of cytoplasm that have become detached from the cytoplasm of mature megakaryocytes (MKs) in the bone marrow. Platelets modulate vascular system integrity and serve important role, particularly in hemostasis. With the rapid development of clinical medicine, the demand for platelet transfusion as a life‑saving intervention increases continuously. Stem cell technology appears to be highly promising for transfusion medicine, and the generation of platelets from stem cells would be of great value in the clinical setting. Furthermore, several studies have been undertaken to investigate the potential of producing platelets from stem cells. Initial success has been achieved in terms of the yields and function of platelets generated from stem cells. However, the requirements of clinical practice remain unmet. The aim of the present review was to focus on several sources of stem cells and factors that induce MK differentiation. Updated information on current research into the genetic regulation of megakaryocytopoiesis and platelet generation was summarized. Additionally, advanced strategies of platelet generation were reviewed and the progress made in this field was discussed.
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Affiliation(s)
- Jie Yang
- Department of Hematology and Oncology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Jianfeng Luan
- Jinling Hospital Department of Blood Transfusion, School of Medicine, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Yanfei Shen
- Medical School, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Baoan Chen
- Department of Hematology and Oncology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu 210009, P.R. China
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6
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Shimizu Y, Kawashiri SY, Kiyoura K, Koyamatsu J, Fukui S, Tamai M, Nobusue K, Yamanashi H, Nagata Y, Maeda T. Circulating CD34+ cells and active arterial wall thickening among elderly men: A prospective study. Sci Rep 2020; 10:4656. [PMID: 32170211 PMCID: PMC7069955 DOI: 10.1038/s41598-020-61475-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 02/12/2020] [Indexed: 11/10/2022] Open
Abstract
Age-related physical changes, such as low-grade inflammation and increased oxidative stress, induce endothelial repair and cause active arterial wall thickening by stimulating the production of CD34+ cells (the principal mediators of atherosclerosis). Despite this, aggressive endothelial repair (progressing atherosclerosis) might cause a wasting reduction in CD34+ cells, which could result in a lower capacity of endothelial repair and hypertension. As yet, no prospective study has clarified the association of circulating CD34+ cells with active arterial wall thickening. We conducted a prospective study of 363 men aged 60-69 years who participated in a general health check-up at least twice from 2014-2017. The circulating CD34+ cell count was significantly positively associated with active arterial wall thickening among subjects without hypertension (n = 236), but not among subjects with hypertension (n = 127). The fully adjusted odds ratios (ORs) of active arterial wall thickening for the logarithmic circulating CD34+ cell count were 1.83 (1.19, 2.84) and 0.69 (0.36, 1.32) for subjects without and with hypertension, respectively. Circulating CD34+ cells are positively associated with active arterial wall thickening in subjects without hypertension. This study demonstrates a means to clarify the mechanisms of endothelial repair in elderly subjects.
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Affiliation(s)
- Yuji Shimizu
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan. .,Department of Cardiovascular Disease Prevention, Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan.
| | - Shin-Ya Kawashiri
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kairi Kiyoura
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Jun Koyamatsu
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shoichi Fukui
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Mami Tamai
- Department of Immunology and Rheumatology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kenichi Nobusue
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hirotomo Yamanashi
- Department of General Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yasuhiro Nagata
- Center for Comprehensive Community Care Education, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takahiro Maeda
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of General Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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7
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Megakaryocytes and platelets from a novel human adipose tissue-derived mesenchymal stem cell line. Blood 2018; 133:633-643. [PMID: 30487128 DOI: 10.1182/blood-2018-04-842641] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 10/02/2018] [Indexed: 12/24/2022] Open
Abstract
The clinical need for platelet transfusions is increasing; however, donor-dependent platelet transfusions are associated with practical problems, such as the limited supply and the risk of infection. Thus, we developed a manufacturing system for platelets from a donor-independent cell source: a human adipose-derived mesenchymal stromal/stem cell line (ASCL). The ASCL was obtained using an upside-down culture flask method and satisfied the minimal criteria for defining mesenchymal stem cells (MSCs) by The International Society for Cellular Therapy. The ASCL showed its proliferation capacity for ≥2 months without any abnormal karyotypes. The ASCL was cultured in megakaryocyte induction media. ASCL-derived megakaryocytes were obtained, with a peak at day 8 of culture, and ASCL-derived platelets (ASCL-PLTs) were obtained, with a peak at day 12 of culture. We observed that CD42b+ cells expressed an MSC marker (CD90) which is related to cell adhesion. Compared with peripheral platelets, ASCL-PLTs exhibit higher levels of PAC1 binding, P-selectin surface exposure, ristocetin-induced platelet aggregation, and ADP-induced platelet aggregation, as well as similar levels of fibrinogen binding and collagen-induced platelet aggregation. ASCL-PLTs have lower epinephrine-induced platelet aggregation. The pattern of in vivo kinetics after infusion into irradiated immunodeficient NOD.Cg-PrkdcscidIl2rgtm1Wjl/SzJ mice was similar to that of platelet concentrates. ASCL-PLTs have similar characteristics to those of peripheral platelets and might have an additional function as MSCs. The establishment of the ASCL and its differentiation into ASCL-PLTs do not require gene transfer, and endogenous thrombopoietin is used for differentiation. The present protocol is a simple method that does not require feeder cells, further enhancing the clinical application of our approach.
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8
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Shimizu Y, Sato S, Koyamatsu J, Yamanashi H, Nagayoshi M, Kadota K, Maeda T. Platelets as an indicator of vascular repair in elderly Japanese men. Oncotarget 2018; 7:44919-44926. [PMID: 27374094 PMCID: PMC5216694 DOI: 10.18632/oncotarget.10229] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 06/09/2016] [Indexed: 01/03/2023] Open
Abstract
Platelets and circulating CD34-positive cells have been reported to contribute to vascular repair (endothelial repair and developing atherosclerosis). And because hypertension is known to be a strong vascular impairment factors, it should also influence the respective numbers of these factors. To clarify the clinical importance of platelets on vascular repair, we conducted a cross-sectional study of 567 Japanese men aged 60-69 who underwent an annual health check-up between 2013 and 2015. Multiple linear regression analysis of non-hypertensive subjects adjusting for classical cardiovascular risk factors showed that although platelet count did not significantly correlate with carotid intima media thickness (β = −0.05, p = 0.356), it did positively correlate significantly with the natural log of the number of circulating CD34-positive cells (β = 0.26, p < 0.001). In hypertensive subjects, a significant positive correlation was seen between platelets and intima media thickness (β = 0.19, p = 0.008), whereas no significant correlation was seen between platelet count and the natural log of the number of circulating CD34-positive cells (β = 0.11, p = 0.119). Our results indicate that platelet count is an indicator of vascular repair activity (endothelial repair and developing atherosclerosis). Additionally, hypertension might mask the beneficial effects of circulating CD34-positive cells.
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Affiliation(s)
- Yuji Shimizu
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan.,Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan
| | - Shimpei Sato
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Jun Koyamatsu
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Hirotomo Yamanashi
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Mako Nagayoshi
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Koichiro Kadota
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Takahiro Maeda
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan.,Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
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9
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Shimizu Y, Sato S, Koyamatsu J, Yamanashi H, Nagayoshi M, Kadota K, Kawashiri SY, Maeda T. Possible mechanism underlying the association between height and vascular remodeling in elderly Japanese men. Oncotarget 2017; 9:7749-7757. [PMID: 29487687 PMCID: PMC5814254 DOI: 10.18632/oncotarget.23660] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 10/30/2017] [Indexed: 01/25/2023] Open
Abstract
Height is reported to be inversely associated with cardiovascular disease. And platelets play an important role in vascular remodeling by supporting CD34-positive cells. To clarify the association between height and platelet, we conducted a cross-sectional study of 219 elderly Japanese men. Since hemoglobin concentration is influenced by vascular remodeling activity, an analysis stratified by hemoglobin level was performed. An inverse association was seen between height and platelet count in subjects with a high hemoglobin concentration (≥ 14.5 g/dL), but not in subjects with a low hemoglobin concentration (< 14.5 g/dL). The standardized parameter estimates (β) were β = -0.22, p = 0.019 for subjects with high hemoglobin, and β = -0.01, p = 0.931 for subjects with low hemoglobin. We also found a positive association between platelets and carotid intima media thickness (CIMT) and circulating CD34-positive cells in subjects with high hemoglobin (partial correlation coefficient (r) = 0.21, p = 0.037 and r = 0.40, p =< 0.001), but not in subjects with low hemoglobin (r = 0.04, p = 0.710 and r = 0.06, p = 0.544). In subjects with a high hemoglobin concentration, platelets were inversely associated with height, and positively associated with CIMT and circulating CD34-positive cells. These results indicate that subjects with a short stature activate vascular remodeling to a much greater extent than subjects with a tall stature.
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Affiliation(s)
- Yuji Shimizu
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan.,Department of Cardiovascular Disease Prevention, Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan
| | - Shimpei Sato
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Jun Koyamatsu
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Hirotomo Yamanashi
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Mako Nagayoshi
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Koichiro Kadota
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Shin-Ya Kawashiri
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
| | - Takahiro Maeda
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan.,Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan
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10
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Shimizu Y, Sato S, Koyamatsu J, Yamanashi H, Nagayoshi M, Kadota K, Kawashiri SY, Inoue K, Nagata Y, Maeda T. Handgrip strength and subclinical carotid atherosclerosis in relation to platelet levels among hypertensive elderly Japanese. Oncotarget 2017; 8:69362-69369. [PMID: 29050209 PMCID: PMC5642484 DOI: 10.18632/oncotarget.20618] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 08/16/2017] [Indexed: 11/25/2022] Open
Abstract
Age-related disruption of microvascular endothelium exacerbates hypertension and sarcopenia; and atherosclerosis is a well-known biological response to vascular endothelial injury. Therefore, prevalence of atherosclerosis among hypertensive elderly subjects may partly indicate the presence of an appropriate response to endothelial injury. We conducted a cross-sectional study of 795 elderly hypertensive Japanese subjects aged 60-89 years. Since platelet level is an indicator of vascular repair activity, subjects were stratified by platelet counts. No significant association between handgrip strength and subclinical carotid atherosclerosis (carotid intima-media thickness (CIMT) ≥1.1mm) was observed for subjects with lower platelet counts, while a significant positive association was observed for subjects with higher platelets. Adjusted odds and 95% confidence intervals of subclinical carotid atherosclerosis for 1 standard deviation increments in handgrip strength were 0.86 (0.61, 1.22) for subjects with lower platelets and 1.82 (1.26, 2.64) for subjects with higher platelets. A positive association between handgrip strength and subclinical carotid atherosclerosis exists in hypertensive elderly subjects with higher, but not lower, platelet counts. These results lead us to speculate that subjects with a beneficial influence on prevention of sarcopenia (maintenance of handgrip strength) may possess the capacity of active endothelial repair that causes atherosclerosis.
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Affiliation(s)
- Yuji Shimizu
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Cardiovascular Disease Prevention, Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan
| | - Shimpei Sato
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Jun Koyamatsu
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hirotomo Yamanashi
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Mako Nagayoshi
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Koichiro Kadota
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Shin-Ya Kawashiri
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Keita Inoue
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yasuhiro Nagata
- Center for Comprehensive Community Care Education, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takahiro Maeda
- Department of Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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11
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Platelets and circulating CD34-positive cells as an indicator of the activity of the vicious cycle between hypertension and endothelial dysfunction in elderly Japanese men. Atherosclerosis 2017; 259:26-31. [DOI: 10.1016/j.atherosclerosis.2017.02.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/31/2017] [Accepted: 02/22/2017] [Indexed: 11/21/2022]
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Wang B, Zheng J. Platelet generation in vivo and in vitro. SPRINGERPLUS 2016; 5:787. [PMID: 27390629 PMCID: PMC4914488 DOI: 10.1186/s40064-016-2384-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 05/22/2016] [Indexed: 12/14/2022]
Abstract
Platelet (PLT) transfusion, which is the primary cell therapy for thrombocytopenia, has been a source of concern in recent years due to its limitations of donor-dependent supply and soaring costs. In vitro platelet generation on an industrial scale is a possible solution requiring exploration. The technology of platelet generation ex vivo has been widely studied across the world, though the mechanisms of physiological thrombopoiesis and platelet biology function in vivo still remain elusive today. Various culture systems have been studied, most of which proved quite inefficient in generating functional platelets ex vivo, so there is still a long way to reach our ultimate goal of generating a fully functional platelet in vitro on an industrial scale. This review integrates the latest research into physiological platelet biogenesis and ex vivo-platelet/megakaryocyte (MK) generation protocols with a focus on the ability to generate PLT/MK in large quantities, summarizes current culture systems based on induced human pluripotent stem cells and adipose-derived stem cells, and discusses significant challenges that must be overcome for these approaches to be perfected.
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Affiliation(s)
- Biao Wang
- Department of Burns and Plastic Surgery, The 175th Hospital of PLA, Affiliated Southeast Hospital of Xiamen University, Zhangzhou, 363000 Fujian China
| | - Jiansheng Zheng
- Department of Burns and Plastic Surgery, The 175th Hospital of PLA, Affiliated Southeast Hospital of Xiamen University, Zhangzhou, 363000 Fujian China
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Ono-Uruga Y, Tozawa K, Horiuchi T, Murata M, Okamoto S, Ikeda Y, Suda T, Matsubara Y. Human adipose tissue-derived stromal cells can differentiate into megakaryocytes and platelets by secreting endogenous thrombopoietin. J Thromb Haemost 2016; 14:1285-97. [PMID: 26990635 DOI: 10.1111/jth.13313] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Indexed: 12/13/2022]
Abstract
UNLABELLED Essentials Manufacturing platelets from a donor-independent source is highlighted in transfusion medicine. We examined the differentiation of adipose tissue-derived stromal cells (ASCs) into platelets. Endogenous thrombopoietin (TPO) induced ASCs differentiation into megakaryocytes and platelets. TPO secretion from ASCs was due to an interaction of transferrin with its receptor CD71. SUMMARY Background Ex vivo production of megakaryocytes (MKs) and platelets from a donor-independent source is currently of intense interest in transfusion medicine. Adipose tissue-derived stromal cells (ASCs) constitute an attractive candidate cell source, because inducing these cells into MK lineages requires no gene transfer and only endogenous transcription factors containing p45NF-E2/Maf, an MK-inducing factor. Objectives To examine whether ASCs differentiate into MK lineages by using endogenous thrombopoietin (TPO), a primary cytokine that drives MK lineages. Methods TPO levels were measured by quantitative real-time PCR and ELISA. To investigate the effects of endogenous TPO on MK and platelet production, surface marker expression and functions for platelets were analyzed in ASC-derived cells cultured in the presence or absence of recombinant TPO. Based on a screening test, the role of transferrin receptor CD71 in TPO production and MK differentiation was examined with anti-CD71 antibody, small interfering RNA (siRNA) against CD71 (siRNA-CD71), and CD71-positive/negative cells. Results ASCs secreted TPO during MK differentiation, and the endogenous TPO facilitated MK and platelet production from ASCs. TPO secretion from ASCs occurred in a transferrin-dependent manner. ASCs treated with anti-CD71 antibody or transfected with siRNA-CD71 produced markedly less TPO. The TPO levels and MK yield were significantly higher when CD71-positive ASCs were used than when CD71-negative ASCs were used. Conclusions CD71 might be an appropriate marker for MK progenitor cells among human ASCs, because of the higher capacity of CD71-positive cells to produce TPO and their ability to differentiate into MKs. These findings could help to establish an efficient method for platelet production.
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Affiliation(s)
- Y Ono-Uruga
- Clinical and Translational Research Center, Keio University School of Medicine, Tokyo, Japan
- Kanagawa Academy of Science and Technology, Kanagawa, Japan
- Division of Hematology, Keio University School of Medicine, Tokyo, Japan
| | - K Tozawa
- Division of Hematology, Keio University School of Medicine, Tokyo, Japan
| | - T Horiuchi
- Clinical and Translational Research Center, Keio University School of Medicine, Tokyo, Japan
- Kanagawa Academy of Science and Technology, Kanagawa, Japan
| | - M Murata
- Department of Laboratory Medicine, Keio University School of Medicine, Tokyo, Japan
| | - S Okamoto
- Division of Hematology, Keio University School of Medicine, Tokyo, Japan
| | - Y Ikeda
- Division of Hematology, Keio University School of Medicine, Tokyo, Japan
- Faculty of Science and Engineering, Life Science and Medical Bioscience, Waseda University, Tokyo, Japan
| | - T Suda
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Y Matsubara
- Clinical and Translational Research Center, Keio University School of Medicine, Tokyo, Japan
- Kanagawa Academy of Science and Technology, Kanagawa, Japan
- Department of Laboratory Medicine, Keio University School of Medicine, Tokyo, Japan
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Megakaryocytic differentiation of mouse embryonic stem cells via coculture with immortalized OP9 stromal cells. Exp Cell Res 2015; 339:44-50. [DOI: 10.1016/j.yexcr.2015.10.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 09/12/2015] [Accepted: 10/02/2015] [Indexed: 12/14/2022]
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