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Kinoshita H, Ogasawara T, Nishibata T, Yoshioka M, Makihara R, Hashimoto Y. Dental Implants Acting as External Fixation for the Fracture of Severe Atrophic Mandible: A Case Report. J Maxillofac Oral Surg 2024; 23:290-293. [PMID: 38601256 PMCID: PMC11001809 DOI: 10.1007/s12663-023-02064-6] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/07/2023] [Indexed: 04/12/2024] Open
Abstract
Treatment of edentulous and atrophic mandibular fractures is extremely difficult. Generally, mandibular fractures are repaired and fixed as internal fixation using a reconstruction plate or miniplates with intra- or extraoral approach. Few cases in which external fixation including a transmucosal fixation was performed have also been reported. We report a case of atrophic and edentulous mandibular fracture which was healed by the fixation using dental implants and implant-supported bridge.
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Affiliation(s)
- H. Kinoshita
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui 910-8561 Japan
| | - T. Ogasawara
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui 910-8561 Japan
| | - T. Nishibata
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui 910-8561 Japan
| | - M. Yoshioka
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui 910-8561 Japan
| | - R. Makihara
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui 910-8561 Japan
| | - Y. Hashimoto
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui 910-8561 Japan
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2
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Wanifuchi A, Kyoda Y, Ogasawara T, Kobayashi K, Ito N, Shindo T, Takahashi A, Kunishima Y, Masumori N. Difference in symptom manifestation between postmenopausal and premenopausal women in acute uncomplicated cystitis: A multi-institutional pilot study. Curr Urol 2023; 17:174-178. [PMID: 37448620 PMCID: PMC10337814 DOI: 10.1097/cu9.0000000000000197] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 09/19/2022] [Indexed: 04/05/2023] Open
Abstract
Objectives We aimed to prospectively compare lower urinary tract symptoms in premenopausal and postmenopausal women with acute uncomplicated cystitis before and after antibiotic therapy. Materials and methods This study included adult women with acute uncomplicated cystitis who visited 4 institutions between 2019 and 2020. After registration, we administered oral antibiotics and prospectively documented the changes in lower urinary tract symptoms from the first visit to a follow-up visit at 1 week using the Core Lower Urinary Tract Symptoms Score (CLSS) questionnaire. Results After treatment, pyuria disappeared in 60 of the 66 patients (14 premenopausal and 46 postmenopausal). The CLSS total score (range) changed from 13 (3-29) to 4 (0-18) with a significant improvement in all CLSS items. At baseline, nocturia, urgency, and urgency incontinence were more prominent in postmenopausal women than in premenopausal women. In contrast, baseline urethral pain and quality of life index were more severe in premenopausal women than in postmenopausal women. After treatment, the CLSS total score was still higher in postmenopausal women, as reflected by the relatively higher scores for nocturia and urgency, irrespective of the comparable scores for urethral pain and the quality of life index in the 2 groups. Conclusions Our results suggest that if storage symptoms persist, they should be carefully interpreted according to menopausal status.
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Affiliation(s)
- Atsushi Wanifuchi
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuki Kyoda
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takuto Ogasawara
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Ko Kobayashi
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Naoki Ito
- Department of Urology, NTT East Sapporo Hospital, Sapporo, Japan
| | - Tetsuya Shindo
- Department of Urology, Hakodate Goryoukaku Hospital, Hakodate, Japan
| | - Atsushi Takahashi
- Department of Urology, Hakodate Goryoukaku Hospital, Hakodate, Japan
| | | | - Naoya Masumori
- Department of Urology, Sapporo Medical University School of Medicine, Sapporo, Japan
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Ogasawara T, Fukuta F, Fujita M, Tachiki H, Shindo T, Kato J, Uhara H, Masumori N. A rare case of pyoderma gangrenosum occurring at the site of laparoscopic port following laparoscopic radical nephrectomy. IJU Case Rep 2022; 5:410-414. [PMID: 36090933 PMCID: PMC9436675 DOI: 10.1002/iju5.12505] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 06/28/2022] [Indexed: 11/10/2022] Open
Abstract
Introduction Pyoderma gangrenosum is a rare dermatological disease associated with underlying inflammatory conditions. Case presentation A 59‐year‐old man was diagnosed with right renal cancer cT1aN0M0 and laparoscopic right radical nephrectomy was performed. Five days after surgery, he had a high‐grade fever, surgical site flare, and severe pain. At first, we diagnosed surgical site infection and wound dehiscence. Despite treatment for infection, his general condition and dermatological symptoms did not improve. Thereafter, a dermatologist advised us to perform a skin biopsy and blood culture examinations. Finally, the man was diagnosed with pyoderma gangrenosum according to the pathology of the skin biopsy and negative blood culture. After both intravenous administration of predonisolone and a topical corticosteroid, the high‐grade fever and dermatological symptoms improved greatly. Conclusion Although pyoderma gangrenosum is a rare disease, we should bear in mind the disease since the treatment strategy is completely different from that for surgical site infection.
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Affiliation(s)
- Takuto Ogasawara
- Department of Urology Steel Memorial Hospital Muroran‐shi Japan
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
| | - Fumimasa Fukuta
- Department of Urology Steel Memorial Hospital Muroran‐shi Japan
| | - Miri Fujita
- Department of Pathology Steel Memorial Hospital Muroran‐shi Japan
| | - Hitoshi Tachiki
- Department of Urology Steel Memorial Hospital Muroran‐shi Japan
| | - Tetsuya Shindo
- Department of Pathology Steel Memorial Hospital Muroran‐shi Japan
| | - Junji Kato
- Department of Dermatology Sapporo Medical University School of Medicine Sapporo Japan
| | - Hisashi Uhara
- Department of Dermatology Sapporo Medical University School of Medicine Sapporo Japan
| | - Naoya Masumori
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
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Kyoda Y, Kimura M, Shimizu T, Miyao N, Ogasawara T, Shimizu T, Iwasawa A, Yorozuya W, Hashimoto J, Ichihara K, Takei F, Uchida K, Kouzen N, Suzuki N, Tachikawa K, Shibuya A, Muranaka I, Okada M, Igarashi M, Shibamori K, Nofuji S, Fujino K, Toyota T, Ito Y, Shinkai N, Hashimoto K, Kobayashi K, Tanaka T, Masumori N. Efficacy and safety of desmopressin orally disintegrating tablets 25 and 50 μg in male patients with nocturia: A Japanese real‐world multicenter clinical study. Low Urin Tract Symptoms 2022; 14:410-415. [DOI: 10.1111/luts.12459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/16/2022] [Accepted: 07/14/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Yuki Kyoda
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
- Nemuro City Hospital Nemuro Japan
- Yakumo General Hospital Yakumo Japan
- Hokkaido Prefectural Haboro Hospital Haboro Japan
- Rumoi Municipal Hospital Rumoi Japan
| | | | | | | | - Takuto Ogasawara
- Department of Urology Steel Memorial Muroran Hospital Muroran Japan
| | | | | | - Wakako Yorozuya
- Department of Urology Kushiro Red Cross Hospital Kushiro Japan
| | - Jiro Hashimoto
- Teine Urological Clinic Sapporo Japan
- Teine Ekimae Urological Clinic Sapporo Japan
| | - Koji Ichihara
- Department of Urology Sapporo Central Hospital Sapporo Japan
| | - Fumiyasu Takei
- Tokachi Urological Clinic Otofuke Japan
- Obihiro Urological Clinic Obihiro Japan
| | | | - Nodoka Kouzen
- Department of Urology JCHO Hokkaido Medical Center Sapporo Japan
| | | | | | | | - Ippei Muranaka
- Department of Urology Hokkaido Social Work Association Obihiro Hospital Obihiro Japan
| | - Manabu Okada
- Department of Urology Hokkaido Social Work Association Obihiro Hospital Obihiro Japan
| | | | - Kosuke Shibamori
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
- Kuriyama Red Cross Hospital Kuriyama Japan
- Hokkaido Social Work Association Toya Hospital Toyako Japan
- JCHO Noboribetsu Medical Center Noboribetsu Japan
| | - Seisuke Nofuji
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
- Kuriyama Red Cross Hospital Kuriyama Japan
- Hokkaido Social Work Association Toya Hospital Toyako Japan
- JCHO Noboribetsu Medical Center Noboribetsu Japan
| | - Keiko Fujino
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
- Kuriyama Red Cross Hospital Kuriyama Japan
- Hokkaido Social Work Association Toya Hospital Toyako Japan
- JCHO Noboribetsu Medical Center Noboribetsu Japan
| | - Tomohiro Toyota
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
| | - Yu Ito
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
| | - Nobuo Shinkai
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
| | - Kohei Hashimoto
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
| | - Ko Kobayashi
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
| | - Toshiaki Tanaka
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
| | - Naoya Masumori
- Department of Urology Sapporo Medical University School of Medicine Sapporo Japan
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Nakajima Y, Hashimoto K, Ogasawara T, Kyoda Y, Tanaka T, Haga K, Sato Y, Masumori N. [OPEN SURGICAL HEMOSTASIS FOLLOWING TRANSARTERIAL EMBOLIZATION (TAE) FOR RENAL INJURY AFTER EXTRACORPOREAL SHOCK WAVE LITHOTRIPSY (ESWL): A CASE REPORT]. Nihon Hinyokika Gakkai Zasshi 2022; 113:73-77. [PMID: 37081656 DOI: 10.5980/jpnjurol.113.73] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
We report a case of open surgical hemostasis following transarterial embolization (TAE) that failed to stabilize the hemodynamics for renal injury after extracorporeal shock wave lithotripsy (ESWL). A 48-year-old man presented with severe left renal colic pain 1 day after ESWL for a left renal stone. Computed tomography revealed arterial bleeding from the lower pole of the left kidney and retroperitoneal hematoma. TAE was successfully performed for the lower poler bleeding. However, we were unable to complete the procedure for bleeding from an aberrant artery to the lower pole of the kidney that was supplied directly from the aorta. Therefore, an emergency laparotomy was performed and the injury in the aberrant artery was manually ligated. Hemostasis was obtained after the direct surgical ligation and he had a good postoperative recovery. Open surgical hemostasis is a treatment modality that should be considered following TAE that fails to control arterial bleeding after ESWL.
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Affiliation(s)
- Yusuke Nakajima
- Department of Urology, Sapporo Medical University School of Medicine
| | - Kohei Hashimoto
- Department of Urology, Sapporo Medical University School of Medicine
| | - Takuto Ogasawara
- Department of Urology, Sapporo Medical University School of Medicine
| | - Yuki Kyoda
- Department of Urology, Sapporo Medical University School of Medicine
| | - Toshiaki Tanaka
- Department of Urology, Sapporo Medical University School of Medicine
| | | | | | - Naoya Masumori
- Department of Urology, Sapporo Medical University School of Medicine
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Ogasawara T, Ogiku M, Ikematsu Y. Impact of malnutrition classified by glim criteria on prognosis in patients with aspiration pneumonia. Clin Nutr ESPEN 2020. [DOI: 10.1016/j.clnesp.2020.09.583] [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: 11/24/2022]
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7
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Tanabe T, Ogasawara T, Suematsu NJ. Effect of a product on spontaneous droplet motion driven by a chemical reaction of surfactant. Phys Rev E 2020; 102:023102. [PMID: 32942422 DOI: 10.1103/physreve.102.023102] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 07/07/2020] [Indexed: 06/11/2023]
Abstract
We focus on the self-propelled motion of an oil droplet within an aqueous phase or an aqueous droplet within an oil phase, which originates from an interfacial chemical reaction of surfactant. The droplet motion has been explained by mathematical models, which require the assumption that the chemical reaction increases the interfacial tension. However, several experimental reports have demonstrated self-propelled motion with the chemical reaction decreasing the interfacial tension. Our motivation is to construct an improved mathematical model, which explains these experimental observations. In this process, we consider the concentrations of the reactant and product on the interface and of the reactant in the bulk. Our numerical calculations indicate that the droplet potentially moves in the cases of both an increase and a decrease in the interfacial tension. In addition, the reaction rate and size dependencies of the droplet speed observed in experiments were well reproduced using our model. These results indicate the potential of our model as a universal one for droplet motion.
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Affiliation(s)
- Takahiro Tanabe
- Meiji Institute for Advanced Study of Mathematical Sciences (MIMS), Meiji University, 4-21-1 Nakano, Nakano-ku, Tokyo 164-8252, Japan
| | - Takuto Ogasawara
- Graduate School of Advanced Mathematical Sciences, Meiji University, 4-21-1 Nakano, Nakano-ku, Tokyo 164-8525, Japan
| | - Nobuhiko J Suematsu
- Meiji Institute for Advanced Study of Mathematical Sciences (MIMS), Meiji University, 4-21-1 Nakano, Nakano-ku, Tokyo 164-8252, Japan
- Graduate School of Advanced Mathematical Sciences, Meiji University, 4-21-1 Nakano, Nakano-ku, Tokyo 164-8525, Japan
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8
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Ogasawara T, Tanaka T, Shindo T, Hashimoto K, Fukuta F, Kobayashi K, Sugawara T, Hasegawa T, Masumori N. Two cases of osteoblastic bone metastasis from muscle-invasive bladder cancer with discrepancy in response to chemotherapy: problems and limitations of bone biopsy. Int Cancer Conf J 2020; 9:235-239. [PMID: 32904051 DOI: 10.1007/s13691-020-00435-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 05/28/2020] [Accepted: 07/16/2020] [Indexed: 01/01/2023] Open
Abstract
We report two cases of muscle-invasive bladder cancer (MIBC) with increasing multiple osteoblastic bone lesions but shrinking other lesions in response to chemotherapy. Case 1 had MIBC and received radical cystectomy followed by adjuvant gemcitabine plus cisplatin chemotherapy (GC). Three years after, follow computed tomography (CT) showed development of multiple lymph node metastasis, and then we performed GC as a first-line systemic chemotherapy. After two cycles of GC, CT showed de novo multiple osteoblastic lesions although metastatic lymph nodes were shrunk. Biopsy of the sternum revealed metastatic urothelial carcinoma. Case 2 had MIBC with multiple osteoblastic lesions on CT and bone scintigraphy, which was initially diagnosed as cT3bN0M1. After one cycle of GC, the number of osteoblastic lesions obviously increased although bladder tumor was regressed. Since the clinical course was unusual, biopsy of the clavicle was done. The histological diagnosis was benign osteoblastic bone disease, then the clinical diagnosis was revised to non-metastatic MIBC, and radical cystectomy was performed. Ten months after surgery, the patients complained worsening backache and CT showed increase in number of osteoblastic lesions. Eventually, ilium biopsy revealed bone metastasis of urothelial carcinoma. In case of atypical finding and unusual clinical course, biopsy of suspected metastatic lesion may be informative although adequate sampling should be secured.
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Affiliation(s)
- Takuto Ogasawara
- Department of Urology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Toshiaki Tanaka
- Department of Urology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Tetsuya Shindo
- Department of Urology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Kohei Hashimoto
- Department of Urology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Fumimasa Fukuta
- Department of Urology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Ko Kobayashi
- Department of Urology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Taro Sugawara
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Tadashi Hasegawa
- Department of Surgical Pathology, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 060-8543 Japan
| | - Naoya Masumori
- Department of Urology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, 060-8543 Japan
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Fujita M, Domae Y, Noda A, Garcia Ricardez GA, Nagatani T, Zeng A, Song S, Rodriguez A, Causo A, Chen IM, Ogasawara T. What are the important technologies for bin picking? Technology analysis of robots in competitions based on a set of performance metrics. Adv Robot 2019. [DOI: 10.1080/01691864.2019.1698463] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- M. Fujita
- Corporate Research and Development, Mitsubishi Electric Corporation, Tokyo, Japan
| | - Y. Domae
- Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan
| | - A. Noda
- Faculty of Robotics and Design, Osaka Institute of Technology, Osaka, Japan
| | - G. A. Garcia Ricardez
- Division of Information Science, Nara Institute of Science and Technology, Nara, Japan
| | - T. Nagatani
- Corporate Research and Development, Mitsubishi Electric Corporation, Tokyo, Japan
| | - A. Zeng
- Department of Computer Science, Princeton University, Princeton, NJ, USA
| | - S. Song
- Department of Computer Science, Princeton University, Princeton, NJ, USA
| | - A. Rodriguez
- Mechanical Engineering Department, Massachusetts Institute of Technology, Boston, MA, USA
| | - A. Causo
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
| | - I. M. Chen
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
| | - T. Ogasawara
- Division of Information Science, Nara Institute of Science and Technology, Nara, Japan
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Garcia Ricardez GA, Koganti N, Yang PC, Okada S, Uriguen Eljuri PM, Yasuda A, El Hafi L, Yamamoto M, Takamatsu J, Ogasawara T. Adaptive motion generation using imitation learning and highly compliant end effector for autonomous cleaning. Adv Robot 2019. [DOI: 10.1080/01691864.2019.1698461] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- G. A. Garcia Ricardez
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - N. Koganti
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - P.-C. Yang
- Business Innovation Division, Panasonic Corporation, Osaka, Japan
| | - S. Okada
- Business Innovation Division, Panasonic Corporation, Osaka, Japan
| | - P. M. Uriguen Eljuri
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - A. Yasuda
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - L. El Hafi
- College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Japan
| | - M. Yamamoto
- Business Innovation Division, Panasonic Corporation, Osaka, Japan
| | - J. Takamatsu
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - T. Ogasawara
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
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Garcia Ricardez GA, Okada S, Koganti N, Yasuda A, Uriguen Eljuri PM, Sano T, Yang PC, El Hafi L, Yamamoto M, Takamatsu J, Ogasawara T. Restock and straightening system for retail automation using compliant and mobile manipulation. Adv Robot 2019. [DOI: 10.1080/01691864.2019.1698460] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- G. A. Garcia Ricardez
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - S. Okada
- Business Innovation Division, Panasonic Corporation, Osaka, Japan
| | - N. Koganti
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - A. Yasuda
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - P. M. Uriguen Eljuri
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - T. Sano
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - P.-C. Yang
- Business Innovation Division, Panasonic Corporation, Osaka, Japan
| | - L. El Hafi
- College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Japan
| | - M. Yamamoto
- Business Innovation Division, Panasonic Corporation, Osaka, Japan
| | - J. Takamatsu
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
| | - T. Ogasawara
- Division of Information Science, Nara Institute of Science and Technology, Ikoma, Japan
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Sugisaka J, Sugawara S, Toi Y, Ogasawara T, Aso M, Tsurumi K, Ono K, Shimizu H, Domeki Y, Aiba T, Kawana S, Saito R, Terayama K, Kawashima Y, Nakamura A, Yamanda S, Kimura Y, Honda Y. Pembrolizumab plus chemotherapy versus pembrolizumab monotherapy for PD-L1-positive advanced non-small cell lung cancer in the real world. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz438.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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13
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Ikematsu Y, Ogiku M, Ogasawara T, Okamoto Y. MON-PO415: Post-Operative Weight Reduction Worsen Survival After Gastric Cancer Surgery. Clin Nutr 2019. [DOI: 10.1016/s0261-5614(19)32248-4] [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: 11/27/2022]
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14
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Goto Y, Takahashi K, Saito H, Ogasawara T, Shindoh J, Kimura T, Sugino Y, Kojima E, Nomura F, Nakanishi T, Nozaki Y, Takeyama Y, Imaizumi K, Hasegawa Y. P1.01-25 Carboplatin and Pemetrexed Plus Bevacizumab After Failure of First-Line EGFR-TKI Therapy for NSCLC Harboring EGFR Mutation (CJLSG 0908). J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.581] [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: 10/28/2022]
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15
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Ogasawara T, Miura E, Ogiku M, Okamoto Y, Ikematsu Y. Effect of eicosapentaenoic acid on prevention of lean body mass depletion in patients with exacerbation of chronic obstructive pulmonary disease: A prospective randomized controlled trial. Clin Nutr 2018. [DOI: 10.1016/j.clnu.2018.06.1156] [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: 11/17/2022]
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16
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Kuwahara K, Endo M, Nanri A, Kashino I, Nishiura C, Hori A, Kinugawa C, Nakagawa T, Honda T, Yamamoto S, Imai T, Nishihara A, Uehara A, Yamamoto M, Miyamoto T, Sasaki N, Ogasawara T, Tomita K, Nagahama S, Kochi T, Eguchi M, Okazaki H, Murakami T, Shimizu M, Kabe I, Mizoue T, Dohi S. 1221 Changes in body mass index before and after long-term sick leave due to cancer among workers: j-ecoh study. Occup Med (Lond) 2018. [DOI: 10.1136/oemed-2018-icohabstracts.1089] [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: 11/03/2022] Open
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17
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Ogasawara T, Oogiku M, Ikematsu Y. MON-P044: Early Resumption of Oral Intake and Enteral Nutrition Contribute to the Continuation of Oral Intake in Patients with Nursing and Healthcare-Associated Pneumonia. Clin Nutr 2017. [DOI: 10.1016/s0261-5614(17)31039-7] [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: 10/18/2022]
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Okada Y, Sadoshima S, Saku Y, Kitazono T, Irie K, Ogasawara T, Utsunomiya H, Fujishima M. Influence of haemorrhagic transformation on the outcome of thrombolytic therapy for patients with acute brain embolism. Neurol Res 2016; 14:167-70. [PMID: 1355879 DOI: 10.1080/01616412.1992.11740042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Y Okada
- Department of Cerebrovascular Disease, St. Mary's Hospital, Kurume, Japan
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Ogiku M, Ikematsu Y, Ogasawara T, Okamoto Y. SUN-LB020: The Relationship Between Dietary Amino Acids Intake and Training-Induced Muscle Hypertrophy Among Older Individuals. Clin Nutr 2015. [DOI: 10.1016/s0261-5614(15)30741-x] [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: 11/25/2022]
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Kinoshita H, Ogasawara T, Toya T, Makihara R, Hirai R, Kawahara E. Slow-Growing Large Irritation Fibroma of the Anterior Hard Palate: A Case Report Using Immunohistochemical Analysis. J Maxillofac Oral Surg 2015; 15:253-7. [PMID: 27408447 DOI: 10.1007/s12663-015-0767-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [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: 12/13/2013] [Accepted: 02/28/2015] [Indexed: 10/23/2022] Open
Abstract
Irritation fibromas are recognized as fibrous lesions, usually reactive hyperplasias; however, the mechanism of enlargement is unclear. This paper reports on an abnormally large irritation fibroma of extremely gradual growth. The immunohistochemical features (CD34, α-SMA, vimentin, Ki-67, and TGF-α) of this irritation fibroma are presented to distinguish reactive hyperplasia from other true fibrous neoplasm diseases. In the only previous study, it was reported that the expression of TGF-α might be associated with the development of oral fibromas. Therefore, we investigated the relationship between this exceptionally-large fibrous lesion of extremely slow growth and the immunohistochemical reactivity of TGF-α, finding that, in contrast to the previous study, TGF-α was not expressed. This is the first study to evaluate the enlargement mechanism of such a large irritation fibroma using the approach of immunohistochemical analysis, and it indicates that such analysis can help elucidate the diverse causes and enlargement mechanisms of irritation fibromas.
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Affiliation(s)
- H Kinoshita
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui, 910-8561 Japan
| | - T Ogasawara
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui, 910-8561 Japan
| | - T Toya
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui, 910-8561 Japan
| | - R Makihara
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui, 910-8561 Japan
| | - R Hirai
- Division of Dentistry and Oral Surgery, Fukui General Hospital, Egami, Fukui, 910-8561 Japan
| | - E Kawahara
- Division of Health Sciences, Department of Clinical Laboratory Science, Kanazawa University Graduate School of Medical Science, Kodatsuno, Kanazawa, 920-0942 Japan
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Kuwabara K, Higuchi Y, Ogasawara T, Koizumi H, Haga T. Wearable blood flowmeter appcessory with low-power laser Doppler signal processing for daily-life healthcare monitoring. Annu Int Conf IEEE Eng Med Biol Soc 2015; 2014:6274-7. [PMID: 25571431 DOI: 10.1109/embc.2014.6945063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A new appcessory for monitoring peripheral blood flow in daily life consists of a wearable laser Doppler sensor device and a cooperating smart phone application. Bluetooth Low Energy connects them wirelessly. The sensor device features ultralight weight of 15 g and an intermittent signal processing technique that reduces power consumption to only 7 mW at measurement intervals of 0.1 s. These features enable more than 24-h continuous monitoring of peripheral blood flow in daily life, which can provide valuable vital-sign information for healthcare services.
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Kato T, Morise M, Ando M, Kojima E, Ogasawara T, Suzuki R, Shindoh J, Matsumoto M, Sugino Y, Ogawa M, Nozaki Y, Kondo M, Saito H, Hasegawa Y. Can we Predict Severe Adverse Events (Saes) and Clarify Unfit Populations for Platinum-Based Chemotherapy in Elderly Patients (Over 70 Years of Age) with Advanced Non-Small Cell Lung Cancer (Nsclc)? (Cjlsg 1203 Trial). Ann Oncol 2014. [DOI: 10.1093/annonc/mdu349.37] [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: 11/13/2022] Open
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Kimura T, Taniguchi H, Ogasawara T, Suzuki R, Kondo M, Shindoh J, Yoshida N, Kojima E, Yamada Y, Hataji O, Ichikawa M, Saito H. Phase || Study of Pemetrexed + Carboplatin + Bevacizumab As First-Line Therapy for Nonsquamous Non-Small Cell Lung Cancer with Egfr Mutation, Result of Induction Therapy: Central Japan Lung Study Group (Cjlsg) 0910 Trial. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu349.70] [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: 11/13/2022] Open
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24
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Ko E, Fujihara Y, Ogasawara T, Asawa Y, Nishizawa S, Watanabe M, Nagata S, Yang C, Takato T, Hoshi K. The BMP family and the importance of insulin in chondrogenesis: could we substitute BMP-2 with BMP-4 for the tissue engineering of cartilage. Int J Oral Maxillofac Surg 2013. [DOI: 10.1016/j.ijom.2013.07.730] [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: 11/16/2022]
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Ogasawara T, Marui S, Okamoto Y, Ohgiku M, Ikematsu Y. LB005-SUN EFFECT OF EPA-ENRICHED DIETARY SUPPLEMENT IN PATIENTS WITH EXACERBATION OF COPD ON LEAN BODY MASS MAINTENANCE. Clin Nutr 2013. [DOI: 10.1016/s0261-5614(13)60583-x] [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: 11/30/2022]
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26
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Ebina SS, Omori A, Tarakida A, Ogasawara T, Manabe M, Katagiri SI, Kashiwakura I. SP6-28 Effect of umbilical cord blood acid-base status and gas values on the yield of mononuclear cells and cd34 cells. Br J Soc Med 2011. [DOI: 10.1136/jech.2011.142976p.99] [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: 11/04/2022]
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27
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Seto T, Yoshitake M, Ogasawara T, Ikari J, Sakamoto A, Hatano M, Hirata H, Fukuda T, Kuriyama T, Tatsumi K, Tokuhisa T, Arima M. Bcl6 in pulmonary epithelium coordinately controls the expression of the CC-type chemokine genes and attenuates allergic airway inflammation. Clin Exp Allergy 2011; 41:1568-78. [PMID: 21801248 DOI: 10.1111/j.1365-2222.2011.03836.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND There is synteny in the CC-type chemokine gene clusters between humans (CCL2/MCP-1, CCL7MCP-3, CCL11/eotaxin, CCL8/MCP-2, CCL13/MCP-4, and CCL1/I-309) and mice (CCL2, CCL7, CCL11, CCL12/MCP-5, CCL8, and CCL1). OBJECTIVE As many putative Bcl6/STAT-binding sequences are observed in the clusters, we examined the roles of a transcriptional repressor Bcl6 and the regional histone modification in the expression of these chemokine genes in pulmonary epithelium. METHODS We generated transgenic (Tg) mice carrying the Bcl6 or the dominant-negative (DN)-Bcl6 gene under the control of the surfactant protein C (SPC) promoter that induces the exogenous gene expression in the distal lung epithelium. For in vitro studies, A549, alveolar type II-like epithelial cell line transfected with the SPC-DN-Bcl6 gene were stimulated with IL-4+TNF-α, and Bcl6 or STAT6 binding to and histone modification of the cluster in the transfectants were analysed by chromatin immunoprecipitation assays. Tg mice sensitized with ovalbumin (OVA) were challenged with OVA inhalation. The amounts of mRNAs in each sample were analysed by quantitative RT-PCR. RESULTS The amount of Bcl6 bound to the cluster decreased in A549 cells stimulated with IL-4 and TNF-α, whereas STAT6 binding increased in association with regional histone H3-K9/14 acetylation and H3-K4 methylation. The expression of all chemokine genes in the gene cluster was augmented in activated A549 cells transfected with the DN-Bcl6 gene. We also induced allergic airway inflammation in Tg mice. Expression of the chemokine genes and infiltrated cell numbers in the lungs of these Tg mice with allergic airway inflammation were inversely correlated with the amount of Bcl6 in the lungs. CONCLUSION AND CLINICAL RELEVANCE Expression of the pulmonary epithelium-derived CC-type chemokine genes in the cluster is orchestrated by the conserved machinery related to Bcl6. Thus, Bcl6 in pulmonary epithelium may be a critical regulator for pathogenesis of various pulmonary inflammatory diseases.
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Affiliation(s)
- T Seto
- Department of Developmental Genetics (H2), Graduate School of Medicine, Chiba University, Chiba, Japan
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Liu G, Iwata K, Ogasawara T, Watanabe J, Fukazawa K, Ishihara K, Asawa Y, Fujihara Y, Chung UL, Moro T, Takatori Y, Takato T, Nakamura K, Kawaguchi H, Hoshi K. Selection of highly osteogenic and chondrogenic cells from bone marrow stromal cells in biocompatible polymer-coated plates. J Biomed Mater Res A 2010; 92:1273-82. [PMID: 19330850 DOI: 10.1002/jbm.a.32460] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
To enrich the subpopulation that preserves self-renewal and multipotentiality from conventionally prepared bone marrow stromal cells (MSCs), we attempted to use 2-methacryloyloxyethyl phosphorylcholine (MPC) polymer-coated plates that selected the MSCs with strong adhesion ability and evaluated the proliferation ability or osteogenic/chondrogenic potential of the MPC polymer-selected MSCs. The number of MSCs that were attached to the MPC polymer-coated plates decreased with an increase in the density of MPC unit (0-10%), whereas no significant difference in the proliferation ability was seen among these cells. The surface epitopes of CD29, CD44, CD105, and CD166, and not CD34 or CD45, were detectable in the cells of all MPC polymer-coated plates, implying that they belong to the MSC category. In the osteogenic and chondrogenic induction, the MSCs selected by the 2-5% MPC unit composition showed higher expression levels of osteoblastic and chondrocytic markers (COL1A1/ALP, or COL2A1/COL10A1/Sox9) at passage 2, compared with those of 0-1% or even 10% MPC unit composition, while the enhanced effects continued by passage 5. The selection based on the adequate cell adhesiveness by the MPC polymer-coated plates could improve the osteogenic and chondrogenic potential of MSCs, which would provide cell sources that can be used to treat the more severe and various bone/cartilage diseases.
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Affiliation(s)
- G Liu
- Department of Cartilage and Bone Regeneration (Fujisoft), Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Nakazawa Y, Miyashita M, Morita T, Umeda M, Oyagi Y, Ogasawara T. The palliative care knowledge test: reliability and validity of an instrument to measure palliative care knowledge among health professionals. Palliat Med 2009; 23:754-66. [PMID: 19648223 DOI: 10.1177/0269216309106871] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Development of palliative care educational programmes continues in Japan. An instrument to evaluate a wider range of palliative care knowledge among general physicians and nurses is needed. However, such an instrument does not currently exist. The aim of this study was to develop an assessment to measure the efficacy of palliative care educational programmes. The questionnaire survey was validated with a group of 940 nurses at two facilities. The response rate was 85 % (n = 797). This study used psychometric methods such as item response theory and intraclass correlation coefficients. Ultimately, 20 items in 5 domains including 'philosophy', 'pain', 'dyspnoea', 'psychiatric problems' and 'gastrointestinal problems' were selected. For these items, the intraclass correlation was 0.88 overall and 0.61-0.82 in each domain; the Kuder-Richardson formula 20 in internal consistency was 0.81. Validity and reliability of the instrument were established. This tool is designed to evaluate a wider range of palliative care knowledge than currently available assessments and can be used for general physicians and nurses. The evaluation of educational programmes and the clarification of actual knowledge acquired are possible using this instrument.
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Affiliation(s)
- Y Nakazawa
- Department of Adult Nursing/Palliative Care Nursing, School of Health Sciences and Nursing, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan.
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Yamaoka H, Nishizawa S, Asawa Y, Fujihara Y, Ogasawara T, Yamaoka K, Nagata S, Takato T, Hoshi K. Involvement of fibroblast growth factor 18 in dedifferentiation of cultured human chondrocytes. Cell Prolif 2009; 43:67-76. [PMID: 19909293 DOI: 10.1111/j.1365-2184.2009.00655.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVE Chondrocytes inevitably decrease production of cartilaginous matrices during long-term cultures with repeated passaging; this is termed dedifferentiation. To learn more concerning prevention of dedifferentiation, we have focused here on the fibroblast growth factor (FGF) family that influences chondrocyte proliferation or differentiation. MATERIALS AND METHODS We have compared gene expression between differentiated cells in passage 3 (P3) and dedifferentiated ones in P8 of human cultured chondrocytes. We also performed ligand administration of the responsive factor or its gene silencing, using small interfering RNA (siRNA). RESULTS FGFs 1, 5, 10, 13 and 18 were higher at P8 compared to P3, while FGFs 9 and 14 were lower. Especially, FGF18 showed a 10-fold increase by P8. Ligand administration of FGF18 in the P3 cells, or its gene silencing using siRNA in the P8 cells, revealed dose-dependent increase and decrease respectively in type II collagen/type I collagen ratio. Exogenous FGF18 also upregulated expression of transforming growth factor beta (TGF-beta), the anabolic factor of chondrocytes, in P3 chondrocytes, but P8 cells maintained a low level of TGF-beta expression, suggesting a decrease in responsiveness of TGF-beta to FGF18 stimulation in the dedifferentiated chondrocytes. CONCLUSION FGF18 seems to play a role in maintenance of chondrocyte properties, although its expression was rather high in dedifferentiated chondrocytes. Upregulation of FGF18 in dedifferentiated chondrocytes implied that it may be a marker of dedifferentiation.
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Affiliation(s)
- H Yamaoka
- Department of Cartilage, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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31
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Fukui K, Nomura A, Ogasawara T, Kawamura T, Yamauchi S, Watanabe K, Taniguchi S, Daitoku K, Suzuki Y, Fukuda I. [Surgical treatment of aortic root disease]. Kyobu Geka 2009; 62:958-963. [PMID: 19827548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We reviewed aortic root disease and operative procedures. Between January 1982 and December 2008, aortic root operation was performed for 58 patients with various aortic root disease. We chose Bentall type operations in extensive root destructive cases and urgent or reoperative cases. Overall in-hospital mortality was 8.6% (5/58). Four patients (7.5% of survivors) died during the period of followup. Actuarial survival at 15 years was 92%. Freedom from cardiovascular event at 10 and 15 years was 81% and 27%, respectively. Of 5 reoperations in 5 patients, only 1 was required due to complications of the initial Bentall type operation. The Bentall type operations resulted in a durable result. Although, in Marfan syndrome, freedom from cardiovascular event was lower than that in non-Marfan syndrome, actuarial survival rate was equal with non-Marfan syndrome. Close observation is necessary for detecting cardiovascular event, especially in Marfan syndrome.
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Affiliation(s)
- Kozo Fukui
- Department of Thoracic and Cardiovascular Surgery, Hirosaki University, Hirosaki, Japan
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Ko E, Fujihara Y, Ogasawara T, Takato T, Hoshi K. Optimal manipulation of growth factors and combinations in the scaffold atecollagen and the medium for three-dimensional culture of tissue-engineered human chondrocytes. Int J Oral Maxillofac Surg 2009. [DOI: 10.1016/j.ijom.2009.03.462] [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: 10/20/2022]
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Onishi T, Umemura S, Yanagawa M, Matsumura M, Sasaki Y, Ogasawara T, Ooshima T. Remineralization effects of gum arabic on caries-like enamel lesions. Arch Oral Biol 2008; 53:257-60. [DOI: 10.1016/j.archoralbio.2007.10.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2007] [Revised: 10/04/2007] [Accepted: 10/12/2007] [Indexed: 10/22/2022]
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Matsubara M, Okimoto Y, Ogasawara T, Tomioka Y, Okamoto H, Tokura Y. Ultrafast photoinduced insulator-ferromagnet transition in the perovskite manganite Gd0.55Sr0.45MnO3. Phys Rev Lett 2007; 99:207401. [PMID: 18233185 DOI: 10.1103/physrevlett.99.207401] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2007] [Indexed: 05/15/2023]
Abstract
We have investigated the ultrafast spin and charge dynamics in the course of a photoinduced phase transition from an insulator with short-range charge order and orbital order (OO) to a ferromagnetic metal in perovskite-type Gd0.55Sr0.45MnO3. Transient reflectivity changes suggest that the metallic state is formed just after the photoirradiation and decays within approximately 1 ps. The magnetization, however, increases with the time constant of 0.5 ps and decays in approximately 10 ps. The relatively slow increase of the magnetization is attributable to the magnetic-field-induced alignment of ferromagnetic domains in the initially produced metallic state and its slow decay to the partial recovery of the OO.
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Affiliation(s)
- M Matsubara
- Correlated Electron Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba 305-8562, Japan.
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Ogasawara T, Miyoshi N, Sano K, Kinoshita H, Miyauchi K. Photodynamic effect of photoproduct of 5-aminolevulinic acid induced protoporphyrinIX on 4-nitroqu. Int J Oral Maxillofac Surg 2007. [DOI: 10.1016/j.ijom.2007.09.012] [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: 10/22/2022]
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Tomimoto S, Matsubara M, Ogasawara T, Okamoto H, Kimura T, Tokura Y. Optical control of the magnetic anisotropy of ferromagnetic bilayered manganites. Phys Rev Lett 2007; 98:017402. [PMID: 17358505 DOI: 10.1103/physrevlett.98.017402] [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] [Subscribe] [Scholar Register] [Received: 02/25/2006] [Indexed: 05/14/2023]
Abstract
Optical manipulation of the magnetic anisotropy is demonstrated for bilayered manganites, La2-2xSr1+2xMn2O7, by means of femtosecond Kerr-rotation measurements. Upon the photoexcitation on the x=0.32 crystal, the magnetization exhibits the precessional motion for about 1 ns, revealing the directional change of the magnetocrystalline anisotropy from the c axis to the ab plane. This change of the anisotropy induces the nonthermal decrease of the c-axis magnetization component for about 1 ns.
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Affiliation(s)
- S Tomimoto
- Correlated Electron Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
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Ogasawara T, Miyoshi N, Sano K, Kitagawa Y, Yamada T, Ogawa T, Miyauchi K, Kinoshita H. Influence of administration methods on the accumulation of ALA-induced Pp-IX in mouse tongue tumors. Oral Dis 2006; 12:415-9. [PMID: 16792728 DOI: 10.1111/j.1601-0825.2006.01216.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE 5-Aminolevulinic acid (ALA)-induced protoporphyrin IX (PpIX) has been used as a photosensitizer in photodynamic therapy (PDT) for oral cancer. This study investigates the optimal method of administrating ALA by analyzing PpIX fluorescence in tongue tumor tissue. METHODS Protoporphyrin IX intensities in the mouse (C3H)-transplanted tongue cancer (NR-S1) were compared with those in normal tongue after intraperitoneal (i.p.), oral (p.o.) or topical administration of ALA. Tongues were sampled at various times after ALA administration. PpIX intensities were obtained from frozen sections of each sample by using a spectrophotometer. RESULTS Protoporphyrin IX intensity in the tumor group peaked at 3 h after the i.p. and 5 h after the p.o. administration of ALA, and these levels were about twice as high as those in the normal group. Maximum PpIX accumulation in the tongue tumor tissue was seen at 5 h after p.o. administration of ALA. In contrast, the topical administration of 20% ALA cream was associated with the lowest PpIX accumulation in the tumor throughout the experiments. CONCLUSION These results suggested that p.o. administration of ALA was the most effective method in ALA-PDT for oral cancer.
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Affiliation(s)
- T Ogasawara
- Division of Dentistry and Oral Surgery, Department of Sensory and Locomotor Medicine, School of Medicine, Faculty of Medical Sciences, University of Fukui, Matsuoka, Fukui, Japan.
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Ueda J, Ikeda A, Ogasawara T. Grip-force control of an elastic object by vision-based slip-margin feedback during the incipient slip. IEEE T ROBOT 2005. [DOI: 10.1109/tro.2005.853496] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Kurita Y, Ikeda A, Jun Ueda, Ogasawara T. A fingerprint pointing device utilizing the deformation of the fingertip during the incipient slip. IEEE T ROBOT 2005. [DOI: 10.1109/tro.2005.847568] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Habazaki H, Ogasawara T, Konno H, Shimizu K, Asami K, Saito K, Nagata S, Skeldon P, Thompson G. Growth of anodic oxide films on oxygen-containing niobium. Electrochim Acta 2005. [DOI: 10.1016/j.electacta.2005.03.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Nabae K, Ichihara T, Hagiwara A, Hirota T, Toda Y, Tamano S, Nishino M, Ogasawara T, Sasaki Y, Nakamura M, Shirai T. A 90-day oral toxicity study of beta-carotene derived from Blakeslea trispora, a natural food colorant, in F344 rats. Food Chem Toxicol 2005; 43:1127-33. [PMID: 15833388 DOI: 10.1016/j.fct.2005.03.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [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: 11/22/2004] [Revised: 02/21/2005] [Accepted: 03/01/2005] [Indexed: 10/25/2022]
Abstract
A subchronic oral toxicity study of beta-carotene derived from Blakeslea trispora, a natural food colorant, was performed with groups of 10 male and 10 female F344 rats fed the agent at dietary levels of 0%, 0.2%, 1.0% and 5.0% for 90 days. There were no treatment-related adverse effects with regard to body weight, food and water consumption, urinalysis, ophthalmology, hematology, serum biochemistry, and organ weight data. On clinical observation, red coloring of fur was noted in both sexes of the 1.0% and 5.0% group rats, with red feces observed in all treated group animals, and necropsy revealed all rats of the treated groups to have reddish coloration of the contents of the gastro-intestinal tract, due to the pigmentation and thus lacking toxicological significance. On histopathological examination, sporadic spontaneous lesions known to occur in this strain of rats were the only findings, with no specific relation to the test substance. Thus, the no-observed-adverse-effect-level (NOAEL) was judged to be a dietary level of at least 5.0% (3127 mg/kg body weight/day for males, 3362 mg/kg body weight/day for females) for beta-carotene derived from B. trispora under the present experimental conditions.
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Affiliation(s)
- K Nabae
- DIMS Institute of Medical Science, Inc., 64 Goura, Nishiazai, Ichinomiya 491-0113, Japan
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Ogasawara T, Ohgushi K, Tomioka Y, Takahashi KS, Okamoto H, Kawasaki M, Tokura Y. General features of photoinduced spin dynamics in ferromagnetic and ferrimagnetic compounds. Phys Rev Lett 2005; 94:087202. [PMID: 15783924 DOI: 10.1103/physrevlett.94.087202] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2004] [Indexed: 05/24/2023]
Abstract
Ultrafast photoinduced spin dynamics has been investigated by time-resolved magneto-optical Kerr spectroscopy for various ferromagnetic and ferrimagnetic compounds: FeCr2S4, CoCr2S4, CuCr2Se4, CdCr2Se4, La0.6Sr0.4MnO3, and SrRuO3. The temporal demagnetization process, which is observed commonly for all the compounds, essentially consists of two components: One is an instantaneous change which originates perhaps from multiple emissions of magnetic excitations during nonradiative decay of photoexcited carriers, and the other is a delayed response due to thermalization of the spin system. The time constant of the delayed change depends strongly on materials and is scaled with the magnetocrystalline anisotropy, indicating that spin-orbit coupling is a dominant interaction for this process.
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Affiliation(s)
- T Ogasawara
- Correlated Electron Research Center (CERC), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8562, Japan
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Kato A, Ogasawara T, Homma T, Saito H, Matsumoto K. LPS-binding protein is an essential component of LPS-induced IFN-beta signaling pathway in human monocytes. J Allergy Clin Immunol 2005. [DOI: 10.1016/j.jaci.2004.12.1087] [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: 11/17/2022]
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Kitagawa Y, Sano K, Nakamura M, Ogasawara T, Okazawa H, Fujibayashi Y, Yonekura Y. FDG-PET to predict response to intraarterial chemoradiotherapy and prognosis in oral squamous cell carcinoma. Int J Oral Maxillofac Surg 2005. [DOI: 10.1016/s0901-5027(05)81483-3] [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: 10/24/2022]
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Kitagawa Y, Mitera K, Ogasawara T, Nojyo Y, Miyauchi K, Sano K. Alterations in enzyme histochemical characteristics of the masseter muscle caused by long-term soft diet in growing rabbits. Oral Dis 2004; 10:271-6. [PMID: 15315643 DOI: 10.1111/j.1601-0825.2004.01020.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Recently young people have an increasing tendency to intake an easily chewable diet and spend less time on mastication. The aim of the present study was to investigate the histochemical effects of long-term soft diet on the masseter muscle in growing rabbits. MATERIALS AND METHODS Twelve young male Japanese white rabbits were divided into two groups (n = 6 each) at weaning (1 month after birth) and fed a solid diet (control group) or a powder diet (soft-diet group). The duration of the experimental period was 6 months. Masseter fibers from the superficial and the deep portions were histochemically defined as type 1, 2A, 2B, or 2C fibers. RESULTS As compared with that of the control, the deep masseter of the soft-diet group showed a significantly lower ratio of type 1 fiber cross-sectional area to total area (6.3 and 10.1% for the soft-diet and control group, respectively), significantly more type 2A fibers (74.0%vs 50.3%) and significantly fewer type 2B fibers (4.3%vs 12.5%). However, fiber size did not differ between the two groups. NADH-tetrazolium-reductase (NADH-TR) of the masseter was less reactive in the soft-diet group, reflecting a lower oxidative capacity. CONCLUSIONS These findings indicate that the alteration of the functional activities contributed to selective disuse influences on the type 1 and type 2B fibers, and a resultant increase in type 2A fibers. This study suggests that long-term alteration of jaw function induced by a soft diet can lead to adaptations of the masseter muscle.
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Affiliation(s)
- Y Kitagawa
- Division of Dentistry and Oral Surgery, Department of Sensory and Locomotor Medicine, University of Fukui, Matsuoka, Fukui, Japan.
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Nakamura M, Sano K, Kitagawa Y, Ogasawara T, Miyauchi K. Poster 15. J Oral Maxillofac Surg 2004. [DOI: 10.1016/j.joms.2004.05.132] [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: 12/01/2022]
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Ogasawara T, Yoshimine Y, Kiyoshima T, Kobayashi I, Matsuo K, Akamine A, Sakai H. In situ expression of RANKL, RANK, osteoprotegerin and cytokines in osteoclasts of rat periodontal tissue. J Periodontal Res 2004; 39:42-9. [PMID: 14687227 DOI: 10.1111/j.1600-0765.2004.00699.x] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES This study examined the in situ expression of receptor activator of nuclear factor-kappaB ligand (RANKL), receptor activator of nuclear factor-kappaB (RANK), osteoprotegerin, interleukin-1beta (IL-1beta) and tumor necrosis factor alpha (TNFalpha) in the osteoclasts of rat periodontal tissue. BACKGROUND In periodontal disease, osteoclasts cause resorption of the alveolar bone. The function of osteoclasts is regulated by interaction with periodontal ligament cells (PDLs). Furthermore, various kinds of molecules such as RANKL, RANK, osteoprotegerin, IL-1beta and TNFalpha are known to be related to the osteoclasts differentiation and function. It is therefore important to observe the expression of RANKL, RANK, osteoprotegerin and cytokines in osteoclasts and PDLs. METHODS Four-week-old Wistar rats were used. Tooth movement was performed by the Waldo method, and the pathological bone resorption was induced. The demineralized maxillae and mandiblae were embedded with paraffin. In situ hybridization was performed to detect RANKL, RANK, osteoprotegerin, IL-1beta, and TNFalpha mRNAs in osteoclasts and other cells using the specific RNA probes, respectively. RESULTS Both RANKL and RANK were concomitantly expressed in some osteoclasts. RANKL was also positive in osteoblasts and PDLs. No IL-1beta- and TNFalpha-positive osteoclast was noted. The positive signals of osteoprotegerin were detected in almost all osteoblasts, PDLs and odontoblasts. No osteoprotegerin-positive osteoclasts were observed. The number and the distribution pattern of RANKL- and RANK-expressing osteoclasts changed when orthodontic excessive force was applied to periodontal tissue. In addition, IL-1beta and TNFalpha were shown to be expressed in osteoclasts under pathological status. CONCLUSION These findings suggest that an autocrine mechanism of RANKL-RANK exists in osteoclast, which is heightened in the pathological conditions. Furthermore, the autocrine mechanism of IL-1beta and TNFalpha is also provided in osteoclast under pathological condition. These autocrine mechanisms therefore seem to regulate the osteoclast function in both physiological and pathological conditions.
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Affiliation(s)
- T Ogasawara
- Department of Operative Dentistry and Endodontology, Kyushu University, Fukuoka, Japan
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Yoshimine Y, Yamamoto M, Ogasawara T, Koishi Y, Tanabe K, Hashiguchi I, Akamine A. In vitro evaluation of the cytocompatibility of a glass-lonomer cement sealer. J Endod 2003; 29:453-5. [PMID: 12877262 DOI: 10.1097/00004770-200307000-00007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The purpose of this study was to evaluate the cytocompatibility of two different types of root canal sealers in cell culture. Human periodontal ligament cells were cultured with set materials from an experimental glass-ionomer cement sealer (KT-308) and a commercially available zinc oxide-eugenol-based sealer (Canals) for 1, 3, and 7 days. Cytotoxic effects were evaluated from the morphological changes under a light microscope. Canals induced severe degenerative alteration of human periodontal ligament cells. In contrast, human periodontal ligament cells adjacent to KT-308 showed normal morphology and growth during the culture period. These results suggest that the glass-ionomer cement sealer, KT-308, is cytocompatible and has good potential as a root canal sealer.
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Affiliation(s)
- Y Yoshimine
- Department of Endodontology and Operative Dentistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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