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Tsukamoto J, Enatsu N, Nakahara E, Furuhashi K, Chiba K, Enatsu Y, Mizusawa Y, Okamoto E, Kokeguchi S, Shiotani M. Differences in clinical outcomes between men with mosaic Klinefelter syndrome and those with non-mosaic Klinefelter syndrome. Reprod Med Biol 2024; 23:e12579. [PMID: 38756694 PMCID: PMC11097125 DOI: 10.1002/rmb2.12579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 04/15/2024] [Accepted: 04/22/2024] [Indexed: 05/18/2024] Open
Abstract
Purpose This study compared the clinical outcomes of men with Klinfelter syndrome based on karyotype. Methods The authors analyzed the outcomes of microdissection testicular sperm extraction (micro-TESE) performed on 57 patients with Klinfelter syndrome (KS) at our clinic. Results The average ages of the non-mosaic and mosaic KS groups were 32.2 ± 4.8 and 45.9 ± 13.1 years, respectively. The sperm retrieval rates of the non-mosaic and mosaic KS groups were 46.5% (20/43) and 50.0% (7/14), respectively. The fertilization rates after intracytoplasmic sperm injection did not significantly differ between the non-mosaic and mosaic KS groups. The mosaic KS group had higher cleavage and blastocyst development rates than the non-mosaic KS group (72.2% vs. 96.2% and 30.5% vs. 44.7%, respectively). The group using motile sperm had better outcomes than the group using immotile sperm. The embryo transfer outcomes of the non-mosaic and mosaic KS groups did not significantly differ (clinical pregnancy rate: 28.0% vs. 20.7%, miscarriage rate: 14.3% vs. 33.3%, production rate per transfer: 22.0% vs. 13.8%, and production rate per case: 58.8% vs. 57.1%). Conclusions Compared with the non-mosaic KS group, the mosaic KS group had significantly better intracytoplasmic sperm injection outcomes because of the higher utilization rate of motile sperm.
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Affiliation(s)
| | | | | | | | - Koji Chiba
- Hanabusa Women's ClinicKobeHyogoJapan
- Division of UrologyKobe University Graduate School of MedicineKobeHyogoJapan
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Suzuki S, Kusumi M, Maeda T, Kawai K, Kawamura T, Okamoto E, Jo T, Tsutsumi R, Takamizawa S, Nakayama T, Nabeta M, Nishiyama Y, Nomiyama M, Furui K, Morimoto Y, Tsutsumi O. Autologous Platelet-Rich Plasma Improves Pregnancy Outcomes of Patients with Thin Endometrium Regardless Endometrial Thickening: Multicenter Retrospective Study with Elimination of Embryonic Confounders. FandR 2022. [DOI: 10.1142/s2661318223500020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Objective:To determine whether endometrial thickening is an important factor for pregnancy outcomes in platelet-rich plasma (PRP) treatment for patients with thin endometrium. Methods:Data from the registry database of the Japan Gynecologic PRP Study Group from April 2019 to October 2021 were analyzed retrospectively. A total of 208 patients who underwent single blastocyst transfer (SBT) after PRP due to thin endometrium (<8 mm) in their previous cycle were included in the study. Their pregnancy outcomes were compared with their own historical data before PRP infusion. The same patient group was then divided into 136 patients whose endometrium thickened after PRP and 72 patients whose endometrium did not, and the pregnancy outcomes of the two groups were compared. Furthermore, to eliminate embryonic confounding, 28 patients who had single euploid blastocyst transfer (SEBT) with preimplantation genetic testing for aneuploidy (PGT-A) were selected from the same patient group and divided into two groups of 22 patients whose endometrium thickened and 6 patients whose endometrium did not, and the pregnancy outcomes were compared in the same method. Results:After PRP administration, the clinical pregnancy rate, live birth rate, and miscarriage rate were all significantly improved compared with the historical controls (34.1 vs 20.0, [Formula: see text] < 0.01; 22.6 vs 3.9, [Formula: see text] < 0.01; 33.8 vs 73.4, [Formula: see text] < 0.01). There were no statistically significant differences in the respective rates between the “thickened endometrium” group and the “unthickened endometrium” group in SBT group (36.0 vs 30.5%, [Formula: see text] = 0.43; 25.7 vs 16.7%, [Formula: see text] = 0.11; 28.5 vs 45.4%, [Formula: see text] = 0.16, respectively). Likewise, in the SEBT with PGT-A group, there were no statistically significant differences in results between the two groups (36.4 vs 50%, [Formula: see text] = 0.30; 36.4 vs 50%, [Formula: see text] = 0.30; 0 vs 0%, respectively). Conclusions:PRP administration to patients with thin endometrium improves pregnancy outcomes even when endometrial thickening is not achieved.
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Affiliation(s)
- Satoshi Suzuki
- Center for Human Reproduction and Gynecologic Endoscopy, Sanno Hospital, Tokyo, Japan
| | - Maki Kusumi
- Center for Human Reproduction and Gynecologic Endoscopy, Sanno Hospital, Tokyo, Japan
| | | | - Kiyotaka Kawai
- Department of Reproductive Medicine, Kameda IVF Clinic Makuhari, Chiba, Japan
| | | | | | | | - Ryo Tsutsumi
- Center for Reproductive Medicine and Endoscopy, Sugiyama Clinic Marunouchi, Tokyo, Japan
| | | | | | | | - Yukio Nishiyama
- Medical Corporation, Nishiyama Obstetrics and Gynecology Clinic, Mie, Japan
| | - Mari Nomiyama
- Department of Obstetrics & Gynecology, Takagi Hospital, Fukuoka, Japan
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Enatsu Y, Enatsu N, Kishi K, Otsuki J, Iwasaki T, Okamoto E, Kokeguchi S, Shiotani M. Clinical outcome of intrauterine infusion of platelet-rich plasma in patients with recurrent implantation failure. Reprod Med Biol 2021; 21:e12417. [PMID: 34938145 PMCID: PMC8656680 DOI: 10.1002/rmb2.12417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/01/2021] [Accepted: 09/22/2021] [Indexed: 11/08/2022] Open
Abstract
Purpose This study aimed to evaluate the effectiveness of intrauterine infusion of platelet-rich plasma (PRP) before embryo transfer (ET) in recurrent implantation failure (RIF) cases. Methods The authors retrospectively analyzed 54 ET cycles involving frozen and thawed high-quality blastocysts after intrauterine PRP infusion between September 2019 and November 2020. All patients had a history of at least two times of implantation failure on ET. A total of 54 patients were categorized into two groups: thin endometrium (39 patients) and unexplained implantation failure (15 patients). In the thin-endometrium group, the endometrial thickness (EMT) was <8.0 mm at cycle days 12-14 in the prior ET cycle. Results Among the 54 ET cycles after PRP infusion, 31 (57.4%) were positive for human chorionic gonadotropin (hCG) and 27 (50%) achieved clinical pregnancy, which was significantly better than that in prior ET cycles without PRP infusion (27.2% and 9.6%, respectively). The EMT was not increased at ET date on the PRP cycle compared with that in the prior ET cycle in both patient groups. Moreover, EMT was not different between the hCG-positive and hCG-negative groups. Conclusion Although intrauterine PRP infusion had no superior effect on increasing the EMT than conventional therapeutic agents, it resulted in high pregnancy rates in patients experiencing RIF with or without thin endometrium.
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Affiliation(s)
| | | | | | - Junko Otsuki
- Hanabusa Women's Clinic Kobe city Japan.,Okayama University Assisted Reproduction Technology Center Okayama city Japan
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Sawa Y, Matsumiya G, Matsuda K, Tatsumi E, Abe T, Fukunaga K, Ichiba S, Taguchi T, Kokubo K, Masuzawa T, Myoui A, Nishimura M, Nishimura T, Nishinaka T, Okamoto E, Tokunaga S, Tomo T, Tsukiya T, Yagi Y, Yamaoka T. Journal of Artificial Organs 2018: the year in review : Journal of Artificial Organs Editorial Committee. J Artif Organs 2019; 22:1-5. [PMID: 30796540 DOI: 10.1007/s10047-019-01094-7] [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: 01/29/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Y Sawa
- Division of Cardiovascular Surgery, Department of Surgery, Osaka University Graduate School of Medicine, Osaka, Japan.
| | - G Matsumiya
- Department of Cardiovascular Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - K Matsuda
- Emergency and Critical Care Medicine, University of Yamanashi Hospital, Yamanashi, Japan
| | - E Tatsumi
- Department of Artificial Organs, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - T Abe
- Department of Urology, Iwate Medical University School of Medicine, Iwate, Japan
| | - K Fukunaga
- Faculty of Health Sciences, Kyorin University, Tokyo, Japan
| | - S Ichiba
- Department of Surgical Intensive Care Medicine, Nippon Medical School Hospital, Tokyo, Japan
| | - T Taguchi
- Biomaterial Unit, National Institute of Material Science, Ibaraki, Japan
| | - K Kokubo
- Department of Medical Engineering and Technology, Kitasato University School of Allied Health Science, Kanagawa, Japan
| | - T Masuzawa
- Department of Mechanical Engineering, Ibaraki University, Ibaraki, Japan
| | - A Myoui
- Medical Center for Translational Research, Osaka University Hospital, Osaka, Japan
| | - M Nishimura
- Division of Organ Regeneration Surgery, Tottori University Faculty of Medicine, Tottori, Japan
| | - T Nishimura
- Department of Therapeutic Strategy for Heart Failure, The University of Tokyo, Tokyo, Japan
| | - T Nishinaka
- Department of Cardiovascular Surgery, Tokyo Women's Medical University, Tokyo, Japan
| | - E Okamoto
- Department of Human Science and Informatics, School of Bioscience and Engineering, Tokai University, Sapporo, Japan
| | - S Tokunaga
- The Department of Cardiovascular Surgery, JCHO Kyushu Hospital, Fukuoka, Japan
| | - T Tomo
- Second Department of Internal Medicine, Faculty of Medicine, Oita University, Oita, Japan
| | - T Tsukiya
- Department of Artificial Organs, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - Y Yagi
- Department of Clinical Engineering, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - T Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
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Okamoto E, Moriyama Y, Kuraku S, Kai KI, Tanaka M. Involvement of HGF/MET signaling in appendicular muscle development in cartilaginous fish. Dev Growth Differ 2019; 61:97-103. [DOI: 10.1111/dgd.12591] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 11/25/2018] [Accepted: 11/27/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Eri Okamoto
- School of Life Science and Technology; Tokyo Institute of Technology; Yokohama Japan
| | - Yuuta Moriyama
- School of Life Science and Technology; Tokyo Institute of Technology; Yokohama Japan
| | - Shigehiro Kuraku
- Laboratory for Phyloinformatics; RIKEN Center for Biosystems Dynamics Research (BDR); Kobe Hyogo Japan
| | - Kei-ichi Kai
- School of Life Science and Technology; Tokyo Institute of Technology; Yokohama Japan
| | - Mikiko Tanaka
- School of Life Science and Technology; Tokyo Institute of Technology; Yokohama Japan
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Okamoto E, Van Mai H, Ishimatsu A, Tanaka M. Modification of pectoral fins occurs during the larva-to-juvenile transition in the mudskipper ( Periophthalmus modestus). Zoological Lett 2018; 4:23. [PMID: 30116554 PMCID: PMC6086994 DOI: 10.1186/s40851-018-0105-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 07/16/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Mudskippers are amphibious fishes that use their pectoral fins to move on land. Their pectoral fins are specifically modified for terrestrial locomotion. Studies of the anatomy and kinematics of adult mudskippers suggest that modifications of the pectoral fins, such as their protrusion and elongation of the proximal radials, may provide greater control and flexibility in pectoral fin-based locomotion. However, it is unknown when and how the unique features of these pectoral fins form during the development of mudskippers, which begin life as a planktonic organism. RESULTS Here we examined the developmental process of the pectoral fins of the mudskipper Periophthalmus modestus to address these questions. We also observed other developmental characteristics to provide clarified descriptions, including indicative morphological changes that occur during metamorphosis. CONCLUSION Our results show that the localized cell division of the proximal part of the endoskeletal disc-the primordium of the proximal radials-and subsequent cell division along the proximal-distal axis, which is restricted to the distal part of the disc during the larva-to-juvenile transition (metamorphosis), lead to the elongation of the proximal radials.
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Affiliation(s)
- Eri Okamoto
- School of Life Science and Technology, Tokyo Institute of Technology, B-17, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Japan
| | - Hieu Van Mai
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyomachi, Nagasaki, 851-8521 Japan
| | - Atsushi Ishimatsu
- Institute for East China Sea Research, Organization of Marine Science and Technology, Nagasaki University, 1551-7 Tairamachi, Nagasaki, 851-2213 Japan
| | - Mikiko Tanaka
- School of Life Science and Technology, Tokyo Institute of Technology, B-17, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Japan
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Shiotani M, Matsumoto Y, Okamoto E, Yamada S, Mizusawa Y, Furuhashi K, Ogata H, Ogata S, Kokeguchi S. Is human chorionic gonadotropin supplementation beneficial for frozen and thawed embryo transfer in estrogen/progesterone replacement cycles?: A randomized clinical trial. Reprod Med Biol 2017; 16:166-169. [PMID: 29259465 PMCID: PMC5661815 DOI: 10.1002/rmb2.12023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 01/07/2017] [Indexed: 11/10/2022] Open
Abstract
Aim Human chorionic gonadotropin (hCG) is used frequently for luteal support in fresh in vitro fertilization cycles as it induces progesterone secretion from the ovaries after oocyte retrieval and modulates the endometrium for implantation in fresh cycles. In contrast, hCG is not usually used for the transfer of cryopreserved-thawed embryos in estrogen/progesterone replacement cycles because ovulation is suppressed. However, several studies have shown that luteinizing hormone and hCG receptors are present in the human endometrium and that hCG can directly induce the decidualization of endometrial stromal cells in vitro. Thus, this study evaluated whether hCG supplementation can be beneficial for cryopreserved-thawed embryo transfer in estrogen/progesterone replacement cycles. Methods One-hundred-and seventy-three cryopreserved-thawed embryo transfer cycles with estrogen/progesterone replacement were divided randomly into two groups. Transdermal oestradiol was used in combination with vaginal progesterone suppositories for HR. The embryo transfer was performed on day 17 and/or day 20 of the HR therapy cycle in both groups. In Group A, 3000 IU of hCG was administered on days 17, 20, and 23. In Group B, hCG was not used. Results There was no significant difference in the average age of the patients, the average number of previous assisted reproductive technology cycles, or the average number of embryo transfers between the two groups. The rates of pregnancy and implantation per embryo were 37.2% and 25.3%, respectively, in Group A and 35.6% and 21.7%, respectively, in Group B. The pregnancy and implantation rates were similar in both groups. Conclusion Supplementation with hCG is not beneficial for cryopreserved-thawed embryo transfer in estrogen/progesterone replacement cycles.
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Kokeguchi S, Matsumoto Y, Ogata S, Yamada S, Okamoto E, Mizusawa Y, Furuhashi K, Shiotani M. Comparison of cases of spontaneous abortion early in the course of pregnancy with normal and abnormal karyotypes (16 trisomy and 22 trisomy) in which conception was achieved by assisted reproductive technology. J Reprod Immunol 2016. [DOI: 10.1016/j.jri.2016.10.064] [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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Sawa Y, Matsuda K, Tatsumi E, Matsumiya G, Tsukiya T, Abe T, Fukunaga K, Kishida A, Kokubo K, Masuzawa T, Myoui A, Nishimura M, Nishimura T, Nishinaka T, Okamoto E, Tokunaga S, Tomo T, Yagi Y, Yamaoka T. Journal of Artificial Organs 2015: the year in review : Journal of Artificial Organs Editorial Committee. J Artif Organs 2016; 19:1-7. [PMID: 26896942 DOI: 10.1007/s10047-016-0886-9] [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: 02/02/2016] [Indexed: 11/30/2022]
Affiliation(s)
- Y Sawa
- Division of Cardiovascular Surgery, Department of Surgery, Osaka University Graduate School of Medicine, Osaka, Japan.
| | - K Matsuda
- Emergency and Critical Care Medicine, University of Yamanashi Hospital, Yamanashi, Japan
| | - E Tatsumi
- Department of Artificial Organs, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - G Matsumiya
- Department of Cardiovascular Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - T Tsukiya
- Department of Artificial Organs, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - T Abe
- Department of Urology, Iwate Medical University School of Medicine, Iwate, Japan
| | - K Fukunaga
- Faculty of Health Sciences, Kyorin University, Tokyo, Japan
| | - A Kishida
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - K Kokubo
- Department of Medical Engineering and Technology, Kitasato University School of Allied Health Science, Kanagawa, Japan
| | - T Masuzawa
- Department of Mechanical Engineering, Ibaraki University, Ibaraki, Japan
| | - A Myoui
- Medical Center for Translational Research, Osaka University Hospital, Osaka, Japan
| | - M Nishimura
- Division of Organ Regeneration Surgery, Tottori University Faculty of Medicine, Tottori, Japan
| | - T Nishimura
- Department of Therapeutic Strategy for Heart Failure, The University of Tokyo, Tokyo, Japan
| | - T Nishinaka
- Department of Cardiovascular Surgery, Tokyo Women's Medical University, Tokyo, Japan
| | - E Okamoto
- Department of Human Science and Informatics, School of Bioscience and Engineering, Tokai University, Sapporo, Japan
| | - S Tokunaga
- The Department of Cardiovascular Surgery, Kanagawa Cardiovascular and Respiratory Center, Yokohama, Japan
| | - T Tomo
- Second Department of Internal Medicine, Faculty of Medicine, Oita University, Oita, Japan
| | - Y Yagi
- Department of Clinical Engineering, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - T Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
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Kishi K, Ogata H, Ogata S, Mizusawa Y, Okamoto E, Matsumoto Y, Kokeguchi S, Shiotani M. Frequency of Sperm DNA Fragmentation According to Selection Method: Comparison and Relevance of a Microfluidic Device and a Swim-up Procedure. J Clin Diagn Res 2015; 9:QC14-6. [PMID: 26674361 DOI: 10.7860/jcdr/2015/10332.6811] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2015] [Accepted: 09/13/2015] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Multiple rounds of centrifugation or washing spermatozoa can cause sperm DNA fragmentation (SDF); however, a microfluidic approach to select spermatozoa does not require centrifugation. Reports have suggested that sperm sorting using a microfluidic device is an effective method to select good quality spermatozoa, however, it is not known whether it reduces sperm DNA damage. We investigated whether the frequency of SDF was affected by selection method during sperm processing. MATERIALS AND METHODS Semen samples from ten men with normal, oligozoospermia and asthenozoospermia were split into two groups and sorted using a microfluidic device or by a swim-up method. Subsequently, semen parameters and SDF were measured and analyzed using paired or non-paired Student's t-tests. RESULTS For samples sorted by the microfluidic device (Sperm Sorter Qualis(®); Menicon, Kasugai, Japan) or the swim-up method, both showed a decrease in SDF. However, the decrease was more significant when the microfluidic device was used. CONCLUSION Sorting using the microfluidic device resulted in less SDF than did the swim-up method.
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Affiliation(s)
- Kanako Kishi
- Embryologist, Hanabusa Women's Clinic , Sannomiya, Kobe, Japan
| | - Hiromi Ogata
- Director of Embryologist, Hanabusa Women's Clinic , Sannomiya, Kobe, Japan
| | - Seiji Ogata
- PhD, Hanabusa Women's Clinic , Sannomiya, Kobe, Japan
| | - Yuri Mizusawa
- PhD, Hanabusa Women's Clinic , Sannomiya, Kobe, Japan
| | - Eri Okamoto
- Hanabusa Women's Clinic , Sannomiya, Kobe, Japan
| | | | | | - Masahide Shiotani
- PhD, CEO and Chief of Medical Clinic, Hanabusa Women's Clinic , Sannomiya, Kobe, Japan
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Pikel M, Nogueira L, Costa A, Okamoto E, Piemonte M. Comparison of efficacy and learning effects of two different cognitive tasks in gait performance under dual-task in Parkinson's disease patients. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.2140] [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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Pikel M, Costa A, Nogueira L, Okamoto E, Piemonte M. Mental practice may improve the gait stability in patients with Parkinson's disease: a single-blind, randomised clinical trial. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.2137] [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: 10/23/2022]
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13
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Sawa Y, Matsuda K, Tatsumi E, Matsumiya G, Abe T, Fukunaga K, Kishida A, Kokubo K, Masuzawa T, Myoui A, Nishimura M, Nishimura T, Nishinaka T, Okamoto E, Tokunaga S, Tomo T, Tsukiya T, Yagi Y, Yamaoka T. Journal of Artificial Organs 2014: the year in review. J Artif Organs 2015; 18:1-7. [PMID: 25701365 DOI: 10.1007/s10047-015-0821-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Indexed: 12/18/2022]
Affiliation(s)
| | - Y Sawa
- Division of Cardiovascular Surgery, Department of Surgery, Osaka University Graduate School of Medicine, Osaka, Japan
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Naik R, Bahadur G, Olivier F, Srikantharajah A, Mehta J, Joshi H, Shapiro B, Daneshmand S, Garner F, Aguirre M, Hudson C, Catt S, Lingham E, Lee W, Muthusamy Y, Kally C, Chen P, Pangestu M, Catt J, Temple-Smith P, Kailasam C, Gordon UD, Kobayashi M, Yoshida A, Tanigiwa S, Seida K, Suzuki H, Tanaka M, Ogata S, Matsu-ura M, Ogata H, Kajiwara A, Tokura Y, Matsumoto Y, Mizusawa Y, Okamoto E, Yamada S, Kokeguchi S, Shiotani M, Grassa LH, Marin SP, Barragan SA, Lorite JA, Campos FB, Garcia-Velasco JA. Session 61: Effects of interventions on embryo quality. Hum Reprod 2013. [DOI: 10.1093/humrep/det194] [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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Sawa Y, Tatsumi E, Tsukiya T, Matsuda K, Fukunaga K, Kishida A, Masuzawa T, Matsumiya G, Myoui A, Nishimura M, Nishimura T, Nishinaka T, Okamoto E, Tokunaga S, Tomo T, Yagi Y, Yamaoka T. Journal of Artificial Organs 2012: the year in review. J Artif Organs 2013; 16:1-8. [PMID: 23456197 DOI: 10.1007/s10047-013-0690-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Indexed: 12/19/2022]
Affiliation(s)
- Y Sawa
- Division of Cardiovascular Surgery, Department of Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
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Furuhashi K, Ishikawa T, Hashimoto H, Yamada S, Ogata S, Mizusawa Y, Matsumoto Y, Okamoto E, Kokeguchi S, Shiotani M. Onco-testicular sperm extraction: testicular sperm extraction in azoospermic and very severely oligozoospermic cancer patients. Andrologia 2012; 45:107-10. [PMID: 22690948 DOI: 10.1111/j.1439-0272.2012.01319.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/14/2012] [Indexed: 11/28/2022] Open
Abstract
An increased risk of testicular cancer in men with infertility and poor semen quality has been reported. In view of the high cure rates for testicular germ cell tumours, increasing clinical importance is being placed on the protection of fertility. High-dose cytostatic therapy may be expected to cause long-term infertility. Thus, the standard procedure for fertility protection is the cryopreservation of ejaculated spermatozoa or testicular tissue before therapy. Four male patients with azoospermia and two patients with very severe oligozoospermia underwent onco-testicular sperm extraction (TESE). We attempted onco-TESE in patients with azoospermia and very severe oligozoospermia after orchiectomy. Of the patients with testicular germ cell tumours, four had spermatozoa in their testicular tissues. Sertoli cell-only syndrome was found in one patient, and one patient showed maturation arrest without the detection of spermatozoa. Three of six showed seminomatous germ cell tumour, two of six had nonseminomatous germ cell tumour and one patient showed no malignancy. Two patients achieved clinical pregnancy. Fertility challenges in men with cancer are the most straightforward because of the relative ease of obtaining and cryopreserving sperm. Testicular sperm extraction is a useful technique for obtaining spermatozoa before cytotoxic therapy in azoospermic and very severely oligozoospermic cancer patients.
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Chakraborty P, Chakravarty BN, Kabir SN, Goswami SK, Yenicesu O, Gulerman C, Ozyer S, Cakar E, Sarikaya E, Mollamahmutoglu L, Daponte A, Deligeoroglou E, Pournaras S, Tsezou A, Garas A, Skentou H, Messinis IE, Chakravarty BN, Ganesh A, Chowdhuri K, Shyam T, Ghosh S, Chattopadhyay R, Banerjee P, Pasricha P, Chakravarty BN, Chaudhury K, Kuji N, Kitamura S, Mochimaru Y, Yamada M, Hamatani T, Kawakami M, Hirayama A, Sugimoto M, Soga T, Tomita M, Yoshimura Y, Tabibi A, Tarahhomi M, Roghayee M, Bayatsarmadi H, Zolghadri J, Younesi M, Bug S, Solfrank B, Pricelius J, Craig A, Botcherby M, Stecher M, Bingemann S, Becker B, Nevinny-Stickel-Hinzpeter C, Kuroda K, Venkatakrishnan R, Salker MS, Quenby S, Brosens JJ, Rahmati M, Petitbarat M, Dubanchet S, Chaouat G, Ledee N, van den Berg M, van Maarle MC, van Wely M, Goddijn M, Telli P, Erdem M, Bozkurt N, Oktem M, Yirmibes K. M, Karabacak O, Erdem A, Kim CH, Lee KH, Kim SH, Chae HD, Kang BM, Jung KS, Johnson S, Godbert S, Perry P, Parkinson P, Vink-Ranti CQJ, Van Os HC, Tucker KE, Kapiteijn K, Heijdra PMA, Jansen CAM, Matsumoto H, Sato Y, Suginami K, Horie A, Fujiwara H, Konishi I, Yamada S, Kataoka N, Ogata S, Mukai M, Inai K, Hashimoto H, Tokura Y, Mizusawa Y, Matsumoto Y, Okamoto E, Kokeguchi S, Shiotani M, Mariee N, Li TC, Laird SM, Refaat B, Simpson H, Ledger W, Confino E, Williams A, Grabar V, Feskov A, Feskova I, Blazhko E, Horie A, Fujiwara H, Sato Y, Suginami K, Matsumoto H, Maruyama M, Konishi I, Hattori A, Chi HB, Qiao J, Wang HN, Hong TP, Gao HW, Abdelnaby El Gelany SAA, Nady Abdelmegeed A, Markoff A, Rogenhofer N, Engels L, Bogdanova N, Tuettelmann F, Thaler C, Seckin B, Sarikaya E, Sargin Oruc A, Celen S, Cicek N, Zarei S, Torabi R, Zeraati H, Zarnani AH, Akhondi MM, Hadavi R, Savadi-Shiraz E, Jeddi-Tehrani M, Sugiura-Ogasawara M, Ozaki Y, Katano K, Suzumori N, Kitaori T, Mizutani E, Al-Gubory KH, Bolifraud P, Angele K, Grange S, Puillet-Anselme L, Garrel C. EARLY PREGNANCY. Hum Reprod 2012. [DOI: 10.1093/humrep/27.s2.76] [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: 11/14/2022] Open
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18
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Caballero P, Alonso J, Cortes S, Caballero Campo M, Gago M, Nunez-Calonge R, Ricciarelli E, Gomez Palomares JL, Bruna Catalan I, Hernandez ER, Grzegorczyk-Martin V, Belaisch-Allart J, Mayenga JM, Kulski O, Plachot M, Darby HC, Florensa Bargallo M, Perals Vazquez N, Esbert Algam M, Belles Fernandez M, Ballesteros Boluda A, Calderon de Oya G, Alegre de Miquel M, Choudhary M, Ramineni A, Stewart J, Cabello Y, Ricciarelli E, Fernandez-Shaw S, Mercader A, Herrer R, Arroyo G, Del Rio F, Carrera M, Fernandez Sanchez M, Sumimoto T, Kataoka N, Ogata H, Mizuta S, Tokura Y, Yamada S, Ogata S, Mizusawa Y, Matsumoto Y, Okamoto E, Kokeguchi S, Shiotani M, Nagai Y, Otsuki J, Maeda K, Momma Y, Takahashi K, Chuko M, Miwa A, Nagai A, Seggers J, Haadsma ML, La Bastide-van Gemert S, Heineman MJ, Kok JH, Middelburg KJ, Roseboom TJ, Schendelaar P, Van den Heuvel ER, Hadders-Algra M, Schendelaar P, Hadders-Algra M, Heineman MJ, Jongbloed-Pereboom M, La Bastide-Van Gemert S, Middelburg KJ, Van den Heuvel ER, Heineman KR, Schendelaar P, Middelburg KJ, Bos AF, Heineman MJ, Kok JH, La Bastide-Van Gemert S, Seggers J, Van den Heuvel ER, Hadders-Algra M, Kondapalli LA, Shaunik A, Molinaro TA, Ratcliffe SJ, Barnhart KT, Haadsma M, Seggers J, Bos AF, Heineman MJ, Keating P, Middelburg KJ, Van Hoften JC, Veenstra-Knol HE, Kok JH, Cobben JM, Hadders-Algra M, Pirkevi C, Atayurt Z, Yelke H, Kahraman S, Desmyttere S, Verpoest W, Haentjens P, Verheyen G, Liebaers I, Bonduelle M, Winter C, Van Acker F, Desmyttere S, De Schrijver F, Bonduelle M, Nekkebroeck J, Pariente-Khayat A, de Laubier A, Fehily D, Lemardeley G, Merlet F, Creusvaux H, Nakajo Y, Sakamoto E, Doshida M, Toya M, Nasu I, Kyono K, Schats R, Vergouw CG, Kostelijk EH, Doejaaren E, Hompes PGA, Lambalk CB, Nakamura Y, Takisawa T, Shibuya Y, Sato Y, Sato K, Kyono K, Berard A, Chaabane S, Sheehy O, Blais L, Fraser W, Bissonnette F, Monnier P, Tan SL, Trasler J, Subramaniam A, Chiappetta R, Mania A, Trew G, Lavery SA, van den Akker O, Purewal S, Bunnell C, Lashen H, Terriou P, Giorgetti C, Porcu-Buisson G, Roger V, Chinchole JM, Hamon V, Allemand-Sourieu J, Cravello L, Moreau J, Chabert-Orsini V, Belva F, Roelants M, De Schepper J, Roseboom TJ, Bonduelle M, Devroey P, Painter RC, Machin L, Fearon K, Morishima K, Fujimoto A, Oishi H, Hirata T, Harada M, Hasegawa A, Osuga Y, Yano T, Kozuma S, Taketani Y. QUALITY AND SAFETY OF ART THERAPIES. Hum Reprod 2012. [DOI: 10.1093/humrep/27.s2.86] [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: 11/14/2022] Open
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19
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Asakawa T, Hayashi T, Okamoto E, Mizuno-Matsumoto Y. P24-3 Visualization for coherence analysis of EEG under the emotional stimuli. Clin Neurophysiol 2010. [DOI: 10.1016/s1388-2457(10)61000-0] [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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20
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González-Alva P, Kikuchi K, Miyazaki Y, Okamoto E, Oku Y, Tsuchiya H, Noguchi Y, Sakashita H, Ide F, Kusama K. Expression of heparanase: a possible role in invasiveness and aggressive clinical behavior of ameloblastomas. J Oral Sci 2010; 52:39-47. [DOI: 10.2334/josnusd.52.39] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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21
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Okamoto E, Kikuchi K, Miyazaki Y, González-Alva P, Oku Y, Tanaka A, Yoshida N, Fujinami M, Ide F, Sakashita H, Kusama K. Significance of podoplanin expression in keratocystic odontogenic tumor. J Oral Pathol Med 2010; 39:110-4. [DOI: 10.1111/j.1600-0714.2009.00851.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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22
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González-Alva P, Tanaka A, Oku Y, Miyazaki Y, Okamoto E, Fujinami M, Yoshida N, Kikuchi K, Ide F, Sakashita H, Kusama K. Enhanced expression of podoplanin in ameloblastomas. J Oral Pathol Med 2010; 39:103-9. [DOI: 10.1111/j.1600-0714.2009.00818.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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23
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Miyazaki Y, Okamoto E, González-Alva P, Hayashi J, Ishige T, Kikuchi K, Nemoto N, Shin K, Sakashita H, Ochiai K, Kusama K. The significance of podoplanin expression in human inflamed gingiva. J Oral Sci 2009; 51:283-7. [DOI: 10.2334/josnusd.51.283] [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] [Indexed: 11/01/2022]
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24
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Tanaka A, Alva PG, Miyazaki Y, Yoshida N, Kaneko T, Oku Y, Okamoto E, Sakashita H, Kusama K. Intraneural perineurioma of the tongue: report of a case and review of the literature. ACTA ACUST UNITED AC 2009. [DOI: 10.3353/omp.13.71] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [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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25
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Shima H, Okamoto E, Yabumoto H, Ikoma F, Yamamoto Y. mRNA Expression of the Androgen Receptor Gene in Cases with Intersex. Aktuelle Urol 2008. [DOI: 10.1055/s-2008-1055652] [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: 10/21/2022]
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27
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Bedeschi C, Ibrahim J, Cardoso C, Loureiro B, Okamoto E, Ribeiro do Valle L, Piemonte M. P2.058 Effects of a new approach to improve the gait performance in dual-task conditions for patients with Parkinson's disease. Parkinsonism Relat Disord 2008. [DOI: 10.1016/s1353-8020(08)70288-8] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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28
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Piemonte M, Okamoto E, Richi L, Valle L. P2.088 Is it possible to train the ability to divide the attention during gait of patients with Parkinson's disease? Parkinsonism Relat Disord 2008. [DOI: 10.1016/s1353-8020(08)70318-3] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Okamoto E, Richi L, Valle L, Piemonte M. P2.041 Improvement of the gait and of the ability to divide the attention of elder after training into dual-task condition. Parkinsonism Relat Disord 2008. [DOI: 10.1016/s1353-8020(08)70270-0] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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30
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Misugi F, Sumi T, Okamoto E, Nobeyama H, Hattori K, Yoshida H, Matsumoto Y, Yasui T, Honda KI, Ishiko O. Expression of matrix metalloproteinases and tissue inhibitors of metalloproteinase in uterine endometrial carcinoma and a correlation between expression of matrix metalloproteinase-7 and prognosis. Int J Mol Med 2005; 16:541-6. [PMID: 16142384] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023] Open
Abstract
Matrix metalloproteinases (MMPs) are associated with invasion and metastasis of several human malignant tumors, in particular MMP-7, which is mainly produced by the cancer cell itself. We examined the expression of MMP-2, 7 and 9, and tissue inhibitors of metalloproteinase (TIMP)-1 and 2 in uterine endometrial carcinoma, and compared the expression with clinicopathological characteristics in uterine endometrial carcinoma (UEC). A group of 256 patients with UEC received surgery at the Osaka City University Medical School Hospital, and 196 tumor samples were immunohistochemically stained to examine the expression of MMP-2, 7 and 9, and TIMP-1 and 2. Additionally, the invasion ability of cell stain established from UEC was examined using an in vitro invasion assay. The expression of MMP-2, 7 and 9, and TIMP-1 and 2 was observed in the cytoplasm, and the expression of MMP-2 and 7, and TIMP-1 and 2 was observed in stromal cells around the tumor cells. The expression of MMP-7 was significantly stronger in higher-grade than lower-grade tumors (P<0.05). The invasion assay showed that the invasion of cells derived from UECs was significantly inhibited by TIMP-1 and 2. The disease-free interval was significantly shorter when MMP-7 expression was intense. This increased expression of MMP-7 in high grade UECs may be associated with tumor invasion and metastasis, and MMP-7 could serve as a prognostic maker in UEC.
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Affiliation(s)
- Fumiko Misugi
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abenoku, Osaka 545-8585, Japan
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31
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Okamoto E, Sumi T, Misugi F, Nobeyama H, Hattori K, Yoshida H, Matsumoto Y, Yasui T, Honda KI, Ishiko O. Expression of apoptosis-related proteins in advanced uterine cervical cancer after balloon-occluded arterial infusion chemotherapy as an indicator of the efficiency of this therapy. Int J Mol Med 2005. [DOI: 10.3892/ijmm.15.1.41] [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: 11/06/2022] Open
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32
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Okamoto E, Sumi T, Misugi F, Nobeyama H, Hattori K, Yoshida H, Matsumoto Y, Yasui T, Honda KI, Ishiko O. Expression of apoptosis-related proteins in advanced uterine cervical cancer after balloon-occluded arterial infusion chemotherapy as an indicator of the efficiency of this therapy. Int J Mol Med 2005; 15:41-7. [PMID: 15583826] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023] Open
Abstract
We previously reported satisfactory therapeutic results of cisplatin-based cyclic balloon-occluded arterial infusion chemotherapy (BOAI) as neoadjuvant chemotherapy, which enabled treatment by hysterectomy in patients with advanced cervical cancer. We also reported expression of apoptosis among these patients and determined that the bax gene is related to this apoptosis. In the present study, we investigated the relationship between the effectiveness of BOAI therapy and expression of apoptosis regulatory genes and proteins in these cases. The subjects were 27 women with advanced cervical cancer classified as FIGO (International Federation of Gynecology and Obstetrics) stage III or higher who were admitted to the Department of Gynecology, Osaka City University Medical School Hospital between 2000 and 2003. All patients were treated by BOAI, and expression of cancer cell apoptosis was examined by the TUNEL method, expression of bax, bcl-2 and bcl-xL proteins were examined by immunohistochemistry, and expression of bax, bcl-2 and bcl-xL mRNA was examined by quantitative RT-PCR before and 3 days after BOAI. The effectiveness of BOAI therapy was thus determined. The 20 patients in whom BOAI was effective showed significantly higher expression of the bax protein and gene after BOAI, and cancer cell apoptosis was accelerated. On the other hand, the 7 patients in whom BOAI was ineffective showed significantly higher expression of the bcl-xL protein and gene after BOAI. These results suggest that bax/bcl-xL expression can be used as an indicator of the effectiveness of BOAI therapy.
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Affiliation(s)
- Eri Okamoto
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka 545-8585, Japan
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33
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Nobeyama H, Sumi T, Misugi F, Okamoto E, Hattori K, Matsumoto Y, Yasui T, Honda KI, Iwai K, Ishiko O. Association of HPV infection with prognosis after neoadjuvant chemotherapy in advanced uterine cervical cancer. Int J Mol Med 2004. [DOI: 10.3892/ijmm.14.1.101] [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: 11/06/2022] Open
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34
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Nobeyama H, Sumi T, Misugi F, Okamoto E, Hattori K, Matsumoto Y, Yasui T, Honda KI, Iwai K, Ishiko O. Association of HPV infection with prognosis after neoadjuvant chemotherapy in advanced uterine cervical cancer. Int J Mol Med 2004; 14:101-5. [PMID: 15202023] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023] Open
Abstract
Whether the human papillomavirus (HPV) status of the tumor affects the sensitivity to neoadjuvant chemotherapy, and the prognosis in advanced uterine cervical cancer (FIGO stage III or higher) remains unknown. We examined the HPV status of 43 patients who had received CDDP therapy by balloon-occluded arterial infusion (BOAI), as neoadjuvant chemotherapy for advanced uterine cervical cancer (squamous cell carcinoma) stage III or higher. DNA was extracted from formalin-fixed, paraffin-embedded tumor samples obtained by punch biopsy before the neoadjuvant chemotherapy. The detection of HPV and its typing were analyzed by a polymerase chain reaction (PCR)-based assay using consensus primers for the L1 consensus regions. HPV DNA was detected in all 43 patients (100%): 29 cases with HPV 16 (67.4%), 5 cases with HPV 33 (11.6%), 4 cases with HPV 31 (9.3%), 3 cases with HPV 35 (7.0%), 1 case with HPV 18 (2.3%) and 1 case with HPV 58 (2.3%). The HPV types were divided into 3 groups, HPV 16, HPV 33 and other HPV types (HPV 18, 31, 35, 58), and comparisons and examinations were performed among the 3 groups. Although the rates of tumor reduction and operation accomplishment after 3 courses of BOAI showed no significant differences among the 3 groups, there were significant differences in the survival rates. The survival rate of advanced uterine cervical cancer patients with HPV 33 infection was the highest, followed by that of patients with HPV 16 infection. The survival rates of patients with the other types of HPV infection were the worst among the 3 groups and significantly lower than those of patients with HPV 16 or HPV 33 infection. The differences in the curative effect after BOAI may depend on the different characters of the HPV types.
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Affiliation(s)
- Hiroyuki Nobeyama
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, 1-4-3 Asahimachi, Abeno-ku, Osaka 545-8585, Japan
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Abstract
Use of neuraxial block in a patient with motor neuron disease is controversial. We describe the anaesthetic management by epidural anaesthesia of a patient with Kennedy's disease, a rare lower motor neuron disease characterized by progressive weakness and wasting of limbs and bulbar muscles. The perioperative course was uneventful, and there was no exacerbation of neurologic signs or symptoms. We suggest that a patient with Kennedy's disease may be successfully managed by epidural anaesthesia for surgical internal urethrotomy.
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Affiliation(s)
- E Okamoto
- Department of Anesthesiology, Fukuoka University School of Medicine, Fukuoka, Japan
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36
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Hattori K, Sumi T, Yasui T, Morimura M, Nobeyama H, Okamoto E, Noriyuki M, Honda K, Kiyama H, Ishiko O. VEGF mRNA in adipocytes increase with rebound weight-gain after diet-restriction. Int J Mol Med 2004. [DOI: 10.3892/ijmm.13.3.395] [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: 11/06/2022] Open
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37
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Hattori K, Sumi T, Yasui T, Morimura M, Nobeyama H, Okamoto E, Noriyuki M, Honda K, Kiyama H, Ishiko O. VEGF mRNA in adipocytes increase with rebound weight-gain after diet-restriction. Int J Mol Med 2004; 13:395-9. [PMID: 14767569] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2023] Open
Abstract
The mechanism of rebound body weight-gain after a restricted-diet state is unclear. We investigated the expression of angiogenic factors in human adipocytes with a changing nutritional state in culture medium, and attempted to ascertain the mechanisms involved in rebound weight-gain. Adipocytes were divided into three groups; the first group (control group) was cultured in medium with 10% fetal calf serum (FCS), the second (DR3% group) was cultured in medium with 3% FCS, and the third (DR6% group) was cultured in medium with 6% FCS. After being cultured for 48 h, each was next cultured with 12% FCS for a further 48 h. When made to change from a low nutrition state to a higher one, adipocytes changed from hypotrophic to hypertrophic. Simultaneously, vascular endothelial growth factor (VEGF) in the culture medium increased significantly. When investigated immunohistochemically, the expression of VEGF was similarly shown in the cytoplasm of adipocytes. The same tendency with the same quantity of mRNA was shown by RT-PCR. These results show that VEGF produced and secreted from adipocytes increases, when the cultivation state of adipocytes is changed from a low nutritional state to a higher one. VEGF produced and secreted from adipocytes may be related to rebound weight-gain.
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Affiliation(s)
- Kanae Hattori
- Department of Obstetrics and Gynecology, Osaka City University Graduate School of Medicine, Abeno-ku, Osaka 545-8585, Japan
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Okamoto E, Inoue T, Watanabe K, Hashimoto T, Iwazawa E, Abe Y, Chinzei T, Isoyama T, Kobayashi S, Saito I, Sato F, Matsuki H, Imachi K, Mitamura Y. Development of an implantable high-energy and compact battery system for artificial heart. Artif Organs 2003; 27:184-8. [PMID: 12580777 DOI: 10.1046/j.1525-1594.2003.t01-1-06993.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [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: 11/20/2022]
Abstract
The purpose of this study was to demonstrate the feasibility of the use of an implantable, high-energy, and compact battery system for an undulation pump total artificial heart (UPTAH). The implantable battery system tested consists of six lithium-ion batteries in series, a charge unit, and a charge/discharge control unit. A lithium-ion battery is currently the best energy-storage device because it has more energy density, a better life cycle, and a smaller temperature rise than those of other secondary batteries. The performance of the implantable battery system was evaluated in an in vitro experiment using an electric load that simulated the UPTAH. Also, sufficiently reliable operation of a system for supplying energy to a UPTAH consisting of a transcutaneous energy transmission system (TETS) and an implantable battery system was confirmed in three experiments using goats. The results of the in vitro and in vivo experiments showed that the implantable battery system supplied sufficient current to the UPTAH for maintenance of physiological conditions in the goat with maximum rise in temperature to less than 43 degrees C.
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Affiliation(s)
- E Okamoto
- Department of Electric and Information Engineering, Graduate School of Science and Engineering, Hokkaido Tokai University, Minami-sawa 5-1-1-1, Minami-ku, Sapporo 005-8601, Japan.
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Abstract
The effects of parathyroid hormone (PTH) on tension and intracellular Ca level ([Ca ] ) were examined in ring preparations of rat mesenteric artery using isometric tension recording and the fura-2 method, respectively. The PTH (30 n ) elicited relaxation in arterial rings precontracted by phenylephrine regardless of the presence or absence of endothelium. In the endothelium-denuded arterial rings precontracted by 3 micro M of phenylephrine or 60 m of potassium chloride (KCl), PTH-related protein and PTH produced concentration-dependent relaxation to the same extent, but inhibited contraction induced by phenylephrine more effectively than that induced by KCl. Phenylephrine-induced tonic contraction was changed to a phasic one with decreased peak tension in the presence of PTH. Similar changes were observed with extracellular Ca removal or methoxyverapamil plus SK&F96365, respective of voltage-gated and receptor-operated Ca channel inhibitors. Phenylephrine evoked a concentration-dependent contraction concomitant with an increase in [Ca ]. PTH reduced both responses to the same extent. In a Ca -free solution, PTH inhibited a phasic contraction and a transient increase in [Ca ] in response to phenylephrine but not caffeine. Reverse transcriptase-polymerase chain reaction showed that PTH and PTH receptors were expressed in the rat mesenteric artery. In this tissue, PTH increased cyclic adenosine monophosphate (cAMP) levels. These results suggest that the inhibitory effect of PTH on alpha -adrenoceptor-mediated contraction results from the inhibition of Ca influx through receptor-operated and voltage-gated Ca channels, and Ca release from Ca stores, probably via increased cAMP in the rat mesenteric artery.
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Affiliation(s)
- Toshio Ohta
- Laboratory of Pharmacology, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan
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Kitamura A, Yashima K, Okamoto E, Andachi H, Hosoda A, Kishimoto Y, Shiota G, Ito H, Kaibara N, Kawasaki H. Reduced Fhit expression occurs in the early stage of esophageal tumorigenesis: no correlation with p53 expression and apoptosis. Oncology 2002; 61:205-11. [PMID: 11574776 DOI: 10.1159/000055376] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.3] [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: 11/19/2022]
Abstract
The FHIT gene, encompassing the FRA3B fragile site at chromosome 3p14.2, is a candidate tumor suppressor gene involved in multiple tumors, including esophageal carcinoma. We analyzed Fhit expression using an immunohistochemical method in invasive carcinoma, carcinoma in situ (CIS) and dysplasia, in paraffin sections of 75 esophageal squamous cell carcinomas (ESCs) to further elucidate the role of Fhit protein in esophageal carcinogenesis. In addition, we also examined whether Fhit expression correlated with p53 expression and apoptosis. Compared to adjacent normal mucosa, significant loss or reduction of Fhit expression was noted in 67 of 75 (89.3%) invasive ESCs, in 13 of 19 (68.4%) CIS lesions, and in 10 of 23 (43.5%) dysplastic lesions. There was a progressive loss or reduction of Fhit expression with progressive increases in the severity of histopathological changes (p < 0.001). However, there was no association between Fhit expression and clinicopathological findings, including tumor stage, lymph node metastasis, or overall survival. Moreover, Fhit expression was not significantly associated with p53 expression and apoptosis. These results indicate that abnormal Fhit expression is a common event in the early stage of ESC development and may occur independently of p53 expression and apoptosis mechanisms.
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Affiliation(s)
- A Kitamura
- Second Department of Internal Medicine, Faculty of Medicine, Tottori University, Yonago, Japan
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Awakura Y, Nonomura M, Fukuyama T, Okamoto E. Metastatic renal cancer arising from adenoid cystic carcinoma of the parotid gland: a case report. Hinyokika Kiyo 2001; 47:785-7. [PMID: 11771171] [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: 02/23/2023]
Abstract
A 40-year-old woman underwent excision of the right parotid gland tumor in 1988. The pathological examination showed adenoid cystic carcinoma. In 1993 she underwent excision of a recurrent tumor on the right face and was referred to our department because of an incidental finding of left renal tumors. She underwent nephrectomy and was diagnosed with left renal metastasis on pathological examination. In 1997 computerized tomography demonstrated multiple metastases in the right kidney, liver, lungs and brain. She died of cancer in 1998. Secondary carcinoma of the kidney is usually identified at autopsy and represents a late and poor manifestation of primary disease when diagnosed during life. The present case is unique in its primary site, pathology and clinical course.
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Affiliation(s)
- Y Awakura
- Department of Urology, Kyoto National Hospital
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42
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Okamoto E, Couse T, De Leon H, Vinten-Johansen J, Goodman RB, Scott NA, Wilcox JN. Perivascular inflammation after balloon angioplasty of porcine coronary arteries. Circulation 2001; 104:2228-35. [PMID: 11684636 DOI: 10.1161/hc4301.097195] [Citation(s) in RCA: 166] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Inflammation has been suggested to play a role in vascular lesion formation after angioplasty. Whereas previous studies have focused on inflammatory reactions in the intima and media, less attention has been paid to adventitial and perivascular responses and their potential role in vascular remodeling. METHODS AND RESULTS Balloon overstretch injury of porcine coronary arteries was performed with standard clinical angioplasty catheters. Vessels were examined from 0.5 hour to 14 days after injury by immunohistochemistry and in situ hybridization (ISH) for neutrophil and macrophage markers, cell adhesion molecules (P-selectin, E-selectin, and vascular cell adhesion molecule-1), and neutrophil-specific CXC chemokines (alveolar macrophage-derived neutrophil chemotactic factor [AMCF]-I/interleukin-8 and AMCF-II). Neutrophils accumulated in the adventitia surrounding the injury site from 2 hours to 3 days, followed by macrophages from 1 to 7 days after angioplasty. Inflammation was associated temporally with the expression of mRNAs encoding cell adhesion molecules and chemokines. The main inflammatory and proliferative foci were not limited to the adventitia but rather extended many millimeters away from the injured vessel throughout the surrounding adipose and myocardial tissues. CONCLUSIONS Inflammatory responses after angioplasty of porcine coronary arteries occurred throughout the entire perivascular tissue. We hypothesize that perivascular inflammatory cells play a role in the recruitment and/or proliferation of adventitial myofibroblasts, possibly through the release of reactive oxygen species and/or cytokines, and thus contribute to vascular remodeling associated with postangioplasty restenosis.
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Affiliation(s)
- E Okamoto
- Winship Cancer Institute, Department of Surgery, Emory University, Atlanta, GA, USA
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43
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Yamanaka N, Yasui C, Yamanaka J, Ando T, Kuroda N, Maeda S, Ito T, Okamoto E. Left hemihepatectomy with microsurgical reconstruction of the right-sided hepatic vasculature. A strategy for preserving hepatic function in patients with proximal bile duct cancer. Langenbecks Arch Surg 2001; 386:364-8. [PMID: 11685568 DOI: 10.1007/s004230100225] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.7] [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: 09/04/2000] [Accepted: 02/26/2001] [Indexed: 10/27/2022]
Abstract
BACKGROUND Right hemihepatectomy (RH) for proximal bile duct cancer occasionally results in liver failure. We report the feasibility of left hemihepatectomy (LH) with vascular reconstruction (VR) of the right-sided hilar vessels to preserve hepatic reserve. METHODS Among 110 patients with proximal bile duct cancer (PBC) treated between January 1980 and December 1998, 11 patients underwent LH with VR of eight portal veins and nine hepatic arteries, and 14 underwent RH with VR of four portal veins and one hepatic artery. Microsurgical techniques were used in 80% (8/10) of the hepatic arterial reconstructions. RESULTS Although operation time was significantly longer in the LH group, hospital mortality, blood loss and incidence of histologically cancer positive margin at the bilioenteric anastomotic site were similar in the two groups. Peak serum liver enzyme concentration was significantly higher in the LH group with longer inflow occlusion time, whereas peak serum total bilirubin concentration was significantly higher in the RH group, which had smaller liver remnant. No liver abscess occurred in any patients who underwent microvascular reconstructions. The cumulative survival of the LH group was worse than that of the RH group, in which the proportion of vascular invasion was lower, but not significantly. CONCLUSION LH with right-sided microvascular reconstruction is technically possible and a feasible option when RH is likely to result in postoperative liver failure.
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Affiliation(s)
- N Yamanaka
- Meiwa General Hospital, 4-31, Agenaruo-Cho, Nishinomiya, Japan 663-8186.
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44
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Koyama K, Inoue T, Hasegawa A, Oriuchi N, Okamoto E, Tomaru Y, Endo K. Alternating myocardial sympathetic neural function of athlete's heart in professional cycle racers examined with iodine-123-MIBG myocardial scintigraphy. Ann Nucl Med 2001; 15:307-12. [PMID: 11577754 DOI: 10.1007/bf02988236] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [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: 10/21/2022]
Abstract
Myocardial sympathetic neural function in professional athletes who had the long-term tremendous cardiac load has not been fully investigated by myocardial iodine-123-metaiodobenzylguanidine (MIBG) uptake in comparison with power spectral analysis (PSA) in electrocardiography. Eleven male professional cycle racers and age-matched 11 male healthy volunteers were enrolled in this study. The low frequency components in the power spectral density (LF), the high frequency components in the power spectral density (HF), the LF/HF ratio and mean R-R interval were derived from PSA and time-domain analysis of heart rate variability in electrocardiography. The mean heart-to-mediastinum uptake ratio (H/M ratio) of the MIBG uptake, in professional cycle racers was significantly lower than that in healthy volunteers (p < 0.01) and HF power in professional cycle racers was significantly higher than that in healthy volunteers (p < 0.05). In the group of professional cycle racers, the H/M ratio showed a significant correlation with the R-R interval, as indices of parasympathetic nerve activity (r = 0.80, p < 0.01), but not with the LF/HF ratio as an index of sympathetic nerve activity. These results may indicate that parasympathetic nerve activity has an effect on MIBG uptake in a cyclist's heart.
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Affiliation(s)
- K Koyama
- Department of Nuclear Medicine, Gunma University School of Medicine, Japan. aoyagi
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45
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Abstract
One of the key technologic requirements for rotary blood pumps is the sealing of the motor shaft. A mechanical seal, a journal bearing, magnetic coupling, and magnetic suspension have been developed, but they have drawbacks such as wear, thrombus formation, and power consumption. A magnetic fluid seal was developed for an axial flow pump. A magnetic fluid seal is durable, simple, and non power consumptive. Long-term experiments and finite element modeling (FEM) analyses confirmed these advantages. The seal body was composed of a Ned-Fe magnet and two pole pieces; the seal was formed by injecting ferrofluid into the gap (50 microm) between the pole pieces and the motor shaft. To contain the ferrofluid in the seal and to minimize the possibility of ferrofluid making contact with blood, a shield with a small cavity was attached to the pole piece. While submerged in blood, the sealing pressure of the seal was measured and found to be 188 mm Hg with ferrofluid LS-40 (saturated magnetization, 24.3 kA/m) at a motor speed of 10,000 rpm and 225 mm Hg under static conditions. The magnetic fluid seals performed perfectly at a pressure of 100 mm Hg for 594 + days in a static condition, and 51, 39+, and 34+ days at a motor speed of 8,000 rpm. FEM analyses indicated a theoretical sealing pressure of 260 mm Hg. The state of the magnetic fluid in the seal in water was observed with a microscope. Neither splashing of magnetic fluid nor mixing of the magnetic fluid and water was observed. The specially designed magnetic fluid seal for keeping liquids out is useful for axial flow blood pumps. The magnetic fluid seal was incorporated into an intracardiac axial flow pump.
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Affiliation(s)
- Y Mitamura
- Division of Systems and Information Engineering, Graduate School of Engineering, Hokkaido University, Sapporo, Japan
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46
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Imakita M, Yamanaka N, Kuroda N, Kitayama Y, Okamoto E. Does topical cooling alleviate ischemia/reperfusion injury during inflow occlusion in hepatectomy? Results of an experimental and clinical study. Surg Today 2001; 30:795-804. [PMID: 11039707 DOI: 10.1007/s005950070061] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [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: 10/27/2022]
Abstract
This study was undertaken to evaluate whether topical cooling can alleviate ischemia/reperfusion injury, after continuous inflow occlusion during hepatectomy. Using a canine model of 70% partial liver ischemia (60 min), alteration in the subcellular (cytoplasm, mitochondria, nucleus) elements calcium, sodium, potassium, and chloride, and liver functions following reperfusion were compared between control livers and livers subjected to topical cooling down to 23 degrees +/- 4.9 degrees C by seeding ice slush over the ischemic lobe. The elements were determined by X-ray microanalysis using liver biopsy specimens. A similar clinical study was undertaken examining ten patients with hepatocellular carcinoma and chronic liver disease who underwent right-sided segmentectomy under continuous right inflow occlusion, five of whom were given topical cooling and five of whom were not. In the experimental study, postreperfusion worsening of liver function tests was significantly suppressed in the cooling group, which was associated with the suppression of subcellular Ca, Na, and Cl increases and K decreases after reperfusion. In the clinical study, the occlusion time was significantly longer in the hypothermic patients than in the normothermic patients, but no significant differences in postoperative liver function or postischemic increases in Ca, Na, or Cl and decreases in K were observed. These experimental and clinical findings suggest that topical cooling alleviates ischemic insult and enhances safe prolonged inflow occlusion.
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Affiliation(s)
- M Imakita
- First Department of Surgery, Hyogo College of Medicine, Nishinomiya, Japan
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47
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Okamoto E, Osaki M, Kase S, Adachi H, Kaibara N, Ito H. Thymidine phosphorylase expression causes both the increase of intratumoral microvessels and decrease of apoptosis in human esophageal carcinomas. Pathol Int 2001; 51:158-64. [PMID: 11328530 DOI: 10.1046/j.1440-1827.2001.01184.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [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: 01/25/2023]
Abstract
Thymidine phosphorylase (dThdPase)/platelet-derived endothelial cell growth factor, is expressed at higher levels in tumor tissues compared to the adjacent normal tissues in a variety of human carcinomas. The higher expression is associated with an increase of intratumoral microvessel density (IMVD) and an unfavorable patient prognosis. We examined the role of dThdPase in apoptosis, IMVD, P53 expression and patient prognosis of human stages II and III esophageal squamous cell carcinomas (SCC). dThdPase expression was noted in 52 of the 78 esophageal SCC (66.7%), regardless of tumor stages and histologic grades. Mean IMVD was 117.9 +/- 32.6 in the dThdPase-positive cases and 103.1 +/- 21.5 in the dThdPase-negative cases, the value being significantly higher in the former (P < 0.05). Similarly, median (range) apoptotic index (AI: percentage of apoptotic cells) was significantly lower in the dThdPase-positive SCC, 1.8 (0.4-6.5), than in the dThdPase-negative SCC, 3.7 (0.6-7.0) (P < 0.01). AI and IMVD showed a significant inverse correlation (r = - 0.31, P = 0.005). There was also no significant difference in the frequency of P53 expression between the dThdPase-positive SCC and the negative SCC. No statistical difference was noted regarding the postoperative survival rate between the dThdPase-positive and the negative SCC. Although dThdPase expression was not associated with patient prognosis, the expression provided an advantage for tumor growth of human esophageal SCC, not only by increasing the intratumoral microvessels, but also attenuation of apoptosis, which might occur via a p53 gene-independent pathway.
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Affiliation(s)
- E Okamoto
- First Department of Pathology, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
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48
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Yamanaka N, Takata M, Tanaka T, Yamanaka J, Yasui C, Ando T, Kuroda N, Maeda S, Okamoto E. Evolution of and obstacles in surgical treatment for hepatocellular carcinoma over the last 25 years: differences over four treatment eras. J Gastroenterol 2001; 35:613-21. [PMID: 10955600 DOI: 10.1007/s005350070061] [Citation(s) in RCA: 9] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
This study was designed to clarify what differences the last 25 years have made in surgical results for patients with hepatocellular carcinoma (HCC). We examined results for 716 hepatectomized patients in four treatment eras: first era (1973-1980; n = 58), second era (1981-1985; n = 155), third era (1986-1990; n = 243), and fourth era (1991-1997; n = 260). Patient background, tumor characteristics, type of hepatectomy, treatment for intrahepatic recurrences, and surgical results in the four eras were compared by univariate analysis to clarify the factors that have contributed to or impeded progress in the surgical treatment of HCC. Although there were no significant chronological differences in liver pathology and surgical resectability, operative mortality was reduced to 2% in the fourth era, from 29% in the first era. With an increasing proportion of early-stage HCCs (TNM, stages I and II), the cumulative survival rate at 5 years improved in the course of the eras in our overall population of patients (12%, 31%, 38%, and 51%, respectively, for the first, second, third, and fourth eras) and in a subset of the population divided according to tumor stage. Also, we found a chronological improvement in the survival rate at 3 years after intrahepatic recurrence (10%, 28%, 36%, and 44%, respectively in the first second, third, and fourth eras). This improvement was associated with the establishment of an early detection program for intrahepatic recurrences. However, the recurrence rate was similar in any subset of the population through the four eras. Although this univariate study could not determine independent factors that contributed to the chronological progress in results for HCC surgery in the four eras, it is conceivable that the establishment of indication criteria for hepatectomy, an early detection program for primary and recurrent lesions, and the introduction of multimodal treatment for recurrence were contributory factors in this improvement. A strategy for alleviating the frequent recurrences originating from posthepatectomy metachronous carcinogenesis remains to be established.
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Affiliation(s)
- N Yamanaka
- First Department of Surgery, Hyogo College of Medicine, Nishinomiya, Japan
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49
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Yamanaka N, Takada M, Tanaka T, Yamanaka J, Yasui C, Ando T, Maeda S, Matsushita K, Okamoto E. Viral serostatus and coexisting inflammatory activity affect metachronous carcinogenesis after hepatectomy for hepatocellular carcinoma. A further report. J Gastroenterol 2001; 35:206-13. [PMID: 10755690 DOI: 10.1007/s005350050332] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Little data are available regarding the effects of hepatitis virus serostatus and the severity of coexisting chronic inflammation on intrahepatic recurrence after hepatectomy for hepatocellular carcinoma (HCC). We investigated the extent to which these factors modified the prognosis of hepatectomized patients. A total of 274 patients treated in the period January 1981 to December 1996 were divided into three groups: antihepatitis C-positive (HCV; n = 144), hepatitis B surface antigen-positive and HCV antibody (Ab)-negative (HBsAg; n = 106), and HBsAg-negative and HCV Ab-negative (NBNC; n = 20). Positivity for HBV-related antibody in the HCV group was 76%. Histologic grading of inflammatory activity from coexisting hepatitis was determined according to Knodel's histological activity index (HAI) scoring system. Post-hepatectomy crude survival rates and disease-free survival (DFS) rates were compared, according to tumor characteristics, between the three groups. In the patients overall and also in the patients with a single nodular HCC, the HCV group had significantly higher HAI scores and preoperative serum aspartate aminotransaminase (AST) levels than the other two groups. When the patients were limited to those with a single nodular HCC, the crude survival was similar in the three groups with comparable tumor characteristics; however, the DFS was different (NBNC > HBsAg > HCV). When the patients were further limited to those with a single nodular HCC without microscopic extracapsular spread, in whom removal of the tumor was expected to be microscopically complete, the difference in the DFS became more marked. Irrespective of the viral serostatus, better crude and disease-free survivals were observed in the patients with lower AST levels (< or =50 IU/ 1) than in those with higher AST levels (>50IU/l). In contrast, there were no differences in survivals and HAI scores according to the presence or absence of HBV-related antibody in the HCV group. From our univariate analysis, we can conclude that the severity of virally induced inflammation, which was well correlated with viral serostatus, may be a factor that affects intrahepatic recurrence, which is more likely to originate from metachronous carcinogenesis. Prior co-infection of HBV in HCV patients may not be an adverse risk factor for intrahepatic recurrence.
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MESH Headings
- Carcinoma, Hepatocellular/blood
- Carcinoma, Hepatocellular/complications
- Carcinoma, Hepatocellular/mortality
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/surgery
- Disease-Free Survival
- Female
- Hepatectomy
- Hepatitis Antibodies/blood
- Hepatitis, Viral, Human/blood
- Hepatitis, Viral, Human/complications
- Humans
- Liver Neoplasms/blood
- Liver Neoplasms/complications
- Liver Neoplasms/mortality
- Liver Neoplasms/pathology
- Liver Neoplasms/surgery
- Male
- Middle Aged
- Neoplasm Staging
- Neoplasms, Second Primary/blood
- Neoplasms, Second Primary/epidemiology
- Prognosis
- Survival Rate
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Affiliation(s)
- N Yamanaka
- First Department of Surgery, Hyogo College of Medicine, Nishinomiya, Japan
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50
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Ueki T, Okamoto E, Takeuchi M, Fujimoto J. [Persectives on postgenome medicine: Gene therapy for liver cirrhosis]. Nihon Rinsho 2001; 59:152-6. [PMID: 11197847] [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: 02/19/2023]
Abstract
Liver cirrhosis is the irreversible end result of chronic liver disease, characterized by diffuse disorganization of the normal hepatic structure of regenerative nodules and fibrotic tissue. It is associated with prominent morbidity and mortality, and is induced by many factors. The ideal strategy for the treatment of liver cirrhosis should include prevention of fibrogenesis, stimulation of hepatocyte mitosis, and reorganization of the liver architecture. We have developed a novel gene therapy approach for rat liver cirrhosis by muscle-directed gene transfer of hepatocyte growth factor(HGF). HGF gene transduction inhibited fibrogenesis and hepatocyte apoptosis, and also produced resolution of fibrosis in the cirrhotic liver. Thus, HGF gene therapy may be potentially useful for the treatment of patients with liver cirrhosis, which is otherwise fatal and untreatable by conventional therapy.
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Affiliation(s)
- T Ueki
- First Department of Surgery, Hyogo College of Medicine
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