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Nakashima M, Suzuki A, Hashimoto K, Yamashita M, Fujiwara Y, Miyamoto Y. Vitronectin regulates osteoclastogenesis and bone remodeling in a mouse model of osteoporosis. Anat Cell Biol 2024; 57:305-315. [PMID: 38575559 PMCID: PMC11184428 DOI: 10.5115/acb.23.251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 02/29/2024] [Accepted: 03/06/2024] [Indexed: 04/06/2024] Open
Abstract
Vitronectin (VN) is an extracellular matrix protein with a crucial role in regulating bone remodeling. In this study, we aimed to investigate the effect of VN deficiency in a mouse model of osteoporosis induced by ovariectomy (OVX). The findings revealed that the absence of VN led to an increase in the activity of tartrate-resistant acid phosphatase (TRAP), a marker for osteoclasts, in the plasma of OVX-operated mice. TRAP staining further demonstrated that VN deficiency resulted in a higher number of osteoclasts within the femurs of OVX-operated mice. X-ray micro-computed tomography analysis of the femurs in OVX-operated mice indicated that VN deficiency significantly suppressed the OVX-induced increase of marrow area and total volume of bone. Additionally, we assessed structural model index (SMI) and degree of anisotropy (DA) as indices of osteoporosis. The results showed that VN deficiency effectively attenuated the OVX-induced increase in SMI and DA among OVX-operated mice. In summary, our study demonstrates the vital role of VN in regulating osteoclastogenesis and bone remodeling in the mouse model of osteoporosis.
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Affiliation(s)
- Mari Nakashima
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
| | - Akiko Suzuki
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
| | - Kei Hashimoto
- Institute for Human Life Science, Ochanomizu University, Tokyo, Japan
| | - Mayu Yamashita
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
| | - Yoko Fujiwara
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
- Institute for Human Life Science, Ochanomizu University, Tokyo, Japan
| | - Yasunori Miyamoto
- Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan
- Institute for Human Life Science, Ochanomizu University, Tokyo, Japan
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Huang Y, He C, Hu Z, Chu X, Zhou S, Hu X, Deng J, Xiao D, Tao T, Yang H, Chen AF, Yin Y, Yang X. The beneficial effects of alpha-tocopherol on intestinal function and the expression of tight junction proteins in differentiated segments of the intestine in piglets. Food Sci Nutr 2022; 11:677-687. [PMID: 36789053 PMCID: PMC9922147 DOI: 10.1002/fsn3.3103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 09/12/2022] [Accepted: 09/28/2022] [Indexed: 11/10/2022] Open
Abstract
Alpha (α)-tocopherol is a major component of dietary vitamin E. Despite being one of the most widely used food supplements in both animals and humans, its role in intestinal functions remains unknown. We were able to examine and accurately demonstrate its permeability effect in vitro and its differentiated effect on tight junction expression in different segments of the intestine in vivo using cultured intestinal porcine epithelial cell line (IPEC-J2) and piglets. A cultured IPEC-J2 demonstrated that α-tocopherol upregulated the expression of tight junction proteins and improved their integrity, with a maximum effect at concentrations ranging from 20 to 40 μmol/L. In vivo data from weaned pigs fed different doses of α-tocopherol for 2 weeks revealed that α-tocopherol effectively increases the expression of tight junction proteins in all sections of the intestinal mucosa, with the highest effect on the duodenum at an optimum dose of 20-50 mg/kg. In contrast, α-tocopherol did not affect intestinal inflammation. These findings suggest that α-tocopherol maintains intestinal integrity and increases the expression of tight junction proteins both in vitro and in vivo.
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Affiliation(s)
- Yanjun Huang
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Caimei He
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Zheng Hu
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Xuetong Chu
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Sichun Zhou
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Xin Hu
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Jun Deng
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Di Xiao
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Ting Tao
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Huansheng Yang
- Research Center for Healthy Breeding of Livestock and PoultryHunan Engineering and Research Center of Animal and Poultry Science and Key Laboratory for Agro‐ecological Processes in Subtropical RegionInstitute of Subtropical Agriculture, The Chinese Academy of SciencesChangshaChina
| | - Alex F. Chen
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina
| | - Yulong Yin
- Research Center for Healthy Breeding of Livestock and PoultryHunan Engineering and Research Center of Animal and Poultry Science and Key Laboratory for Agro‐ecological Processes in Subtropical RegionInstitute of Subtropical Agriculture, The Chinese Academy of SciencesChangshaChina
| | - Xiaoping Yang
- Key Laboratory for Study and Discovery of Small Targeted Molecules of Hunan ProvinceDepartment of Pharmacy, School of MedicineHunan Normal UniversityChangshaChina,Research Center for Healthy Breeding of Livestock and PoultryHunan Engineering and Research Center of Animal and Poultry Science and Key Laboratory for Agro‐ecological Processes in Subtropical RegionInstitute of Subtropical Agriculture, The Chinese Academy of SciencesChangshaChina
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FUJIWARA Y, KO Y, SONODA M, ICHI I, ISHIKAWA T. Effects of Vitamin E and Dietary Conditions on the Differentiation and Maturation of Osteoclast. J Nutr Sci Vitaminol (Tokyo) 2022; 68:73-77. [DOI: 10.3177/jnsv.68.73] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Yoko FUJIWARA
- Food and Nutritional Sciences, Graduate Course of Humanities and Sciences, Ochanomizu University
| | - Yuko KO
- Food and Nutritional Sciences, Graduate Course of Humanities and Sciences, Ochanomizu University
| | - Mariko SONODA
- Food and Nutritional Sciences, Graduate Course of Humanities and Sciences, Ochanomizu University
| | - Ikuyo ICHI
- Food and Nutritional Sciences, Graduate Course of Humanities and Sciences, Ochanomizu University
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Romero-Márquez JM, Varela-López A, Navarro-Hortal MD, Badillo-Carrasco A, Forbes-Hernández TY, Giampieri F, Domínguez I, Madrigal L, Battino M, Quiles JL. Molecular Interactions between Dietary Lipids and Bone Tissue during Aging. Int J Mol Sci 2021; 22:ijms22126473. [PMID: 34204176 PMCID: PMC8233828 DOI: 10.3390/ijms22126473] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 01/06/2023] Open
Abstract
Age-related bone disorders such as osteoporosis or osteoarthritis are a major public health problem due to the functional disability for millions of people worldwide. Furthermore, fractures are associated with a higher degree of morbidity and mortality in the long term, which generates greater financial and health costs. As the world population becomes older, the incidence of this type of disease increases and this effect seems notably greater in those countries that present a more westernized lifestyle. Thus, increased efforts are directed toward reducing risks that need to focus not only on the prevention of bone diseases, but also on the treatment of persons already afflicted. Evidence is accumulating that dietary lipids play an important role in bone health which results relevant to develop effective interventions for prevent bone diseases or alterations, especially in the elderly segment of the population. This review focuses on evidence about the effects of dietary lipids on bone health and describes possible mechanisms to explain how lipids act on bone metabolism during aging. Little work, however, has been accomplished in humans, so this is a challenge for future research.
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Affiliation(s)
- Jose M. Romero-Márquez
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - Alfonso Varela-López
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - María D. Navarro-Hortal
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - Alberto Badillo-Carrasco
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
| | - Tamara Y. Forbes-Hernández
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, 36310 Vigo, Spain;
| | - Francesca Giampieri
- Department of Clinical Sicences, Università Politecnica delle Marche, 60131 Ancona, Italy; (F.G.); (M.B.)
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Irma Domínguez
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain;
- Universidad Internacional Iberoamericana, Calle 15 Num. 36, Entre 10 y 12 IMI III, Campeche 24560, Mexico;
| | - Lorena Madrigal
- Universidad Internacional Iberoamericana, Calle 15 Num. 36, Entre 10 y 12 IMI III, Campeche 24560, Mexico;
| | - Maurizio Battino
- Department of Clinical Sicences, Università Politecnica delle Marche, 60131 Ancona, Italy; (F.G.); (M.B.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
| | - José L. Quiles
- Department of Physiology, Institute of Nutrition and Food Technology ‘‘José Mataix”, Biomedical Research Centre, University of Granada, Armilla, Avda. del Conocimiento s.n., 18100 Armilla, Spain; (J.M.R.-M.); (A.V.-L.); (M.D.N.-H.); (A.B.-C.)
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain;
- Correspondence:
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Ziegler M, Wallert M, Lorkowski S, Peter K. Cardiovascular and Metabolic Protection by Vitamin E: A Matter of Treatment Strategy? Antioxidants (Basel) 2020; 9:E935. [PMID: 33003543 PMCID: PMC7600583 DOI: 10.3390/antiox9100935] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases (CVD) cause about 1/3 of global deaths. Therefore, new strategies for the prevention and treatment of cardiovascular events are highly sought-after. Vitamin E is known for significant antioxidative and anti-inflammatory properties, and has been studied in the prevention of CVD, supported by findings that vitamin E deficiency is associated with increased risk of cardiovascular events. However, randomized controlled trials in humans reveal conflicting and ultimately disappointing results regarding the reduction of cardiovascular events with vitamin E supplementation. As we discuss in detail, this outcome is strongly affected by study design, cohort selection, co-morbidities, genetic variations, age, and gender. For effective chronic primary and secondary prevention by vitamin E, oxidative and inflammatory status might not have been sufficiently antagonized. In contrast, acute administration of vitamin E may be more translatable into positive clinical outcomes. In patients with myocardial infarction (MI), which is associated with severe oxidative and inflammatory reactions, decreased plasma levels of vitamin E have been found. The offsetting of this acute vitamin E deficiency via short-term treatment in MI has shown promising results, and, thus, acute medication, rather than chronic supplementation, with vitamin E might revitalize vitamin E therapy and even provide positive clinical outcomes.
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Affiliation(s)
- Melanie Ziegler
- Department of Cardiology and Angiology, Internal Medicine III, University Clinic of Tübingen, 72076 Tübingen, Germany;
| | - Maria Wallert
- Institute of Nutritional Sciences, Friedrich Schiller University, 07743 Jena, Germany; (M.W.); (S.L.)
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
| | - Stefan Lorkowski
- Institute of Nutritional Sciences, Friedrich Schiller University, 07743 Jena, Germany; (M.W.); (S.L.)
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, Germany
| | - Karlheinz Peter
- Atherothrombosis and Vascular Biology Laboratory, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, VIC 3004, Australia
- Department of Medicine and Immunology, Monash University, Melbourne, VIC 3800, Australia
- Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC 3800, Australia
- Department of Cardiology, The Alfred Hospital, Melbourne, VIC 3800, Australia
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Osteoclast Multinucleation: Review of Current Literature. Int J Mol Sci 2020; 21:ijms21165685. [PMID: 32784443 PMCID: PMC7461040 DOI: 10.3390/ijms21165685] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 08/05/2020] [Accepted: 08/06/2020] [Indexed: 12/14/2022] Open
Abstract
Multinucleation is a hallmark of osteoclast maturation. The unique and dynamic multinucleation process not only increases cell size but causes functional alterations through reconstruction of the cytoskeleton, creating the actin ring and ruffled border that enable bone resorption. Our understanding of the molecular mechanisms underlying osteoclast multinucleation has advanced considerably in this century, especially since the identification of DC-STAMP and OC-STAMP as “master fusogens”. Regarding the molecules and pathways surrounding these STAMPs, however, only limited progress has been made due to the absence of their ligands. Various molecules and mechanisms other than the STAMPs are involved in osteoclast multinucleation. In addition, several preclinical studies have explored chemicals that may be able to target osteoclast multinucleation, which could enable us to control pathogenic bone metabolism more precisely. In this review, we will focus on recent discoveries regarding the STAMPs and other molecules involved in osteoclast multinucleation.
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Odai T, Terauchi M, Hirose A, Kato K, Miyasaka N. Bone Mineral Density in Premenopausal Women Is Associated with the Dietary Intake of α-Tocopherol: A Cross-Sectional Study. Nutrients 2019; 11:nu11102474. [PMID: 31618965 PMCID: PMC6835764 DOI: 10.3390/nu11102474] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/04/2019] [Accepted: 10/05/2019] [Indexed: 12/19/2022] Open
Abstract
This study aimed to investigate the relationship between the consumption of various nutrients and bone mineral density (BMD) in middle-aged women. This cross-sectional survey was conducted based on the clinical records of 157 women aged 38–76. Their lumbar spine BMD was measured with dual-energy X-ray absorptiometry and dietary habits were assessed with the brief-type self-administered diet history questionnaire. Participants were divided into premenopausal (n = 46) and postmenopausal (n = 111) groups and the correlation between the BMD Z-score (Z-score) and the intakes of 43 nutrients was investigated separately for each group. In premenopausal women, the daily intake of ash, calcium, and α-tocopherol was positively correlated with the Z-score (Pearson’s correlation coefficient, R = 0.31, 0.34, 0.33, p = 0.037, 0.020, 0.027, respectively). When dividing the consumption of ash, calcium, and α-tocopherol into low, middle, and high tertiles, the Z-score significantly differed only between the α-tocopherol tertiles. After adjustment for age, body mass index, and lifestyle factors, daily intake of α-tocopherol remained significantly associated with the Z-score (regression coefficient = 0.452, p = 0.022). No nutrient was found to be significantly correlated with the Z-score in postmenopausal women. Increase in the intake of α-tocopherol could help maintain bone mass in premenopausal women.
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Affiliation(s)
- Tamami Odai
- Department of Obstetrics and Gynecology, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo, Tokyo 113-8510, Japan.
| | - Masakazu Terauchi
- Department of Women's Health, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo, Tokyo 113-8510, Japan.
| | - Asuka Hirose
- Department of Obstetrics and Gynecology, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo, Tokyo 113-8510, Japan.
- Department of Women's Health, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo, Tokyo 113-8510, Japan.
| | - Kiyoko Kato
- Department of Women's Health, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo, Tokyo 113-8510, Japan.
| | - Naoyuki Miyasaka
- Department of Obstetrics and Gynecology, Tokyo Medical and Dental University, Yushima 1-5-45, Bunkyo, Tokyo 113-8510, Japan.
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Ikeda S, Nomura S, Hanzawa F, Takahashi S, Oda H, Fujiwara Y, Uchida T. α-Tocopherol Intake Decreases Phylloquinone Concentration in Bone but Does Not Affect Bone Metabolism in Rats. J Nutr Sci Vitaminol (Tokyo) 2018; 64:243-250. [PMID: 30175786 DOI: 10.3177/jnsv.64.243] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Previous studies have shown that α-tocopherol intake lowers phylloquinone (PK) concentration in some extrahepatic tissues in rats. The study's aim was to clarify the effect of α-tocopherol intake on vitamin K concentration in bone, as well as the physiological action of vitamin K. Male Wistar rats were divided into 4 groups. Over a 3-mo period, the K-free group was fed a vitamin K-free diet with 50 mg RRR-α-tocopherol/kg, the E-free group was fed a diet containing 0.75 mg PK/kg without vitamin E, the control group was fed a diet containing 0.75 mg PK/kg with 50 mg RRR-α-tocopherol/kg, and the E-excess group was fed a diet containing 0.75 mg PK/kg with 500 mg RRR-α-tocopherol/kg. PK concentration in the liver was higher in E-excess rats than in E-free rats, was lower in the tibias of control rats than in those of E-free rats, and was lower in E-excess rats than in control rats. Menaquinone-4 (MK-4) concentration in the liver was higher in E-excess rats than in E-free and control rats. However, MK-4 concentrations in the tibias of E-free, control, and E-excess rats were almost the same. Blood coagulation activity was lower in K-free rats than in the other rats but was not affected by the level of α-tocopherol intake. Additionally, dietary intake of PK and α-tocopherol did not affect uncarboxylated-osteocalcin concentration in the serum, femur density, or expression of the genes related to bone resorption and formation in the femur. These results suggest that α-tocopherol intake decreases PK concentration in bone but does not affect bone metabolism in rats.
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Affiliation(s)
- Saiko Ikeda
- Department of Nutritional Sciences, Nagoya University of Arts and Sciences
| | - Saki Nomura
- Department of Nutritional Sciences, Nagoya University of Arts and Sciences
| | - Fumiaki Hanzawa
- Department of Nutritional Sciences, Nagoya University of Arts and Sciences
| | - Saki Takahashi
- Department of Nutritional Sciences, Nagoya University of Arts and Sciences
| | - Hiroaki Oda
- Department of Applied Molecular Biosciences, Nagoya University
| | - Yoko Fujiwara
- Department of Nutrition and Food Science, Ochanomizu University
| | - Tomono Uchida
- Department of Home Economics, Aichi Gakusen University
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