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Sakahashi Y, Higashisaka K, Izutani R, Seo J, Kitahara G, Kobayashi J, Nakamoto Y, Yamamoto R, Tsujino H, Haga Y, Tsutsumi Y. P06-02 Silver nanoparticles inhibit intercellular fusion in the BeWo syncytialization process. Toxicol Lett 2022. [DOI: 10.1016/j.toxlet.2022.07.320] [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: 10/14/2022]
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2
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Urabe F, Kimura T, Sasaki H, Iwatani K, Aikawa K, Tashiro K, Tsutsumi Y, Morikawa M, Sato S, Takahashi H, Aoki M, Miki K, Egawa S. Comparison between long-term outcomes of low-dose-rate brachytherapy and radical prostatectomy in patients with intermediate-risk prostate cancer: Propensity match scoring analysis. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)01031-4] [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: 11/26/2022]
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3
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Yang L, Higashisaka K, Haga Y, Tsujino H, Nagano K, Tsutsumi Y. Alpha-crystallin B chains enhance cell migration in basal-like 2 triple-negative breast cancer cells. Pharmazie 2022; 77:45-47. [PMID: 35209962 DOI: 10.1691/ph.2022.11019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Triple-negative breast cancer (TNBC) can be divided into six subtypes. Among these subtypes, the basal-like 2 (BL2) subtype shows the lowest five-year survival rate and highest risk of metastasis. Alpha-crystallin B chains (αB-crystallin), a small heat shock protein that is known to be involved in breast cancer metastasis, is highly expressed in the basal-like subtype but not in the other non-basal subtypes. Thus, we hypothesized that αB-crystallin may be an important factor involved in the worse prognosis of the BL2 subtype compared with those of the other TNBC subtypes. Here, we examined the role of αB-crystallin in cell motility in two TNBC cell lines: HCC1806 (BL2 subtype) and, as control, MDA-MB-436 (mesenchymal stem-like subtype). HCC1806 showed greater cell migration capacity and a higher expression level of the gene encoding αB-crystallin (CRYAB) than did MDA-MB-436. Short interfering RNA-mediated silencing of CRYAB expression significantly reduced the cell migration capacity of HCC1806 cells, whereas it had no effect in MDA-MB-436 cells, indicating that αB-crystallin is essential for the migration of HCC1806 cells. Thus, high αB-crystallin expression may be a contributing factor to the poor prognosis of BL2 TNBC.
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Affiliation(s)
- L Yang
- Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
| | - K Higashisaka
- Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan; Institute for Advanced Co-Creation Studies, Osaka University, Osaka, Japan;,
| | - Y Haga
- Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
| | - H Tsujino
- Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan; The Museum of Osaka University, Osaka, Japan
| | - K Nagano
- Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan; School of Pharmaceutical Sciences, Wakayama Medical University, Wakayama
| | - Y Tsutsumi
- Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan; Global Center for Medical Engineering and Informatics, Osaka University, Osaka, Japan;,
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4
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Hanamuro S, Lin Y, Konishi H, Izusawa K, Yang L, Haga Y, Tsujino H, Nagano K, Higashisaka K, Tsutsumi Y. Progesterone receptor membrane component 2 expression leads to erlotinib resistance in lung adenocarcinoma cells. Pharmazie 2021; 76:602-605. [PMID: 34986956 DOI: 10.1691/ph.2021.1775] [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: 06/14/2023]
Abstract
Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) provide a favorable treatment outcome in patients with EGFR mutation-positive non-small cell lung cancer. However, most of such patients become resistant to EGFR-TKIs within a year. Thus, clarifying the mechanism of acquired resistance to EGFR-TKIs has been a research focus. Here, we demonstrated that the expression of progesterone receptor membrane component 2 (PGRMC2) was upregulated in an erlotinib-resistant cell line, PC9/ER, compared with the parental PC9 lung cancer cells. Our previous study showed that PGRMC1 is responsible for acquired resistance to erlotinib; however, PGRMC2 has not been discussed yet. Thus, the aim of this study was to determine the role of PGRMC2 in acquired resistance to erlotinib. Transfection with PGRMC2 siRNA significantly enhanced the sensitivity to erlotinib in PC9/ER cells. Furthermore, knockdown of PGRMC2 reduced the expression of p21, which is known as cell-cycle inhibitor and antiproliferative effector. These results suggest that PGRMC2 partially contributes to erlotinib resistance in PC9/ER cells, and that investigation into the effect of PGRMC2 on apoptosis and the cell cycle are warranted.
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Affiliation(s)
- S Hanamuro
- Laboratory of Toxicology and Safety Science, Osaka, Japan
| | - Y Lin
- Laboratory of Toxicology and Safety Science, Osaka, Japan
| | - H Konishi
- Laboratory of Toxicology and Safety Science, Osaka, Japan
| | - K Izusawa
- Laboratory of Toxicology and Safety Science, Osaka, Japan
| | - L Yang
- Laboratory of Toxicology and Safety Science, Osaka, Japan
| | - Y Haga
- Laboratory of Toxicology and Safety Science, Osaka, Japan
| | - H Tsujino
- Laboratory of Toxicology and Safety Science, Osaka, Japan; Graduate School of Pharmaceutical Sciences, Osaka University; The Museum of Osaka University, Osaka, Osaka, Japan
| | - K Nagano
- Laboratory of Toxicology and Safety Science, Osaka, Japan; School of Pharmaceutical Sciences, Wakayama Medical University, Wakayama, Osaka, Japan
| | - K Higashisaka
- Laboratory of Toxicology and Safety Science, Osaka, Japan; Institute for Advanced Co-Creation Studies, Osaka University, Osaka, Japan;,
| | - Y Tsutsumi
- Laboratory of Toxicology and Safety Science, Osaka, Japan; Global Center for Medical Engineering and Informatics, Osaka University, Osaka, Japan;,
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Yamashita T, Kamada H, Kanasaki S, Nagano K, Inoue M, Higashisaka K, Yoshioka Y, Tsutsumi Y, Tsunoda S. Ephrin type-A receptor 2 on tumor-derived exosomes enhances angiogenesis through the activation of MAPK signaling. Pharmazie 2019; 74:614-619. [PMID: 31685088 DOI: 10.1691/ph.2019.9474] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
Abstract
Exosomes are potent players in the development of metastases and they play an important role in cancer angiogenesis and exacerbation. However, it is unclear how proteins on exosomes affect development of blood vessel networks. In this study, we focused on relationships between membrane proteins on exosomes and angiogenesis using human umbilical vein endothelial cells (HUVEC). Lung tumor cell-derived exosomes induced tube formation and growth of endothelial cells in vitro in a dose-dependent manner involving MAPK activation, but this was not seen in normal lung epithelial cells. Ephrin type-A receptor 2 (EphA2) was identified by proteomic analysis and an inhibition assays showed it is a major MAPK activator on exosomes. Thus EphA2 on exosomes participates in angiogenesis as a ligand of the ephrin signaling pathway. These results support the development of novel therapeutic strategies such as blockade of remote cancer communications through exosomes.
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Zhang X, Dyer M, Tsutsumi Y, Langner U, Qureshi M, Keohan S, Truong M. Clinical Outcomes for Benign Intracranial Tumors Treated with Stereotactic Radiotherapy (5 Gy x 5). Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2225] [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: 10/26/2022]
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Shigematsu A, Ota S, Kobayashi R, Kondo T, Endo T, Tsutsumi Y, Kobayashi H, Kakinoki Y, Yamamoto S, Konuma Y, Miyagishima T, Igarashi T, Oda T, Sakai H, Ishihara T, Yoshida M, Nagashima T, Sato K, Kanisawa Y, Haseyama T, Hirayama Y, Kurosawa M. PF184 EFFICACY OF CONSOLIDATION CHEMOTHERAPY FOR PATIENTS WITH ACUTE LYMPHOBLASTIC LEUKEMIA WHO ACHIEVED COMPLETE REMISSION BY FIRST COURSE OF REMISSION INDUCTION THERAPY. Hemasphere 2019. [DOI: 10.1097/01.hs9.0000558952.18518.ed] [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] Open
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8
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Matsuoka S, Tsutsumi Y, Kikuchi R, Ito S, Teshima T. Gene Polymorphism of Tacrolimus-Metabolizing Enzymes Associated With Impaired Absorption of Tacrolimus Following Allogeneic Hematopoietic Stem Cell Transplantation: A Case Report. Transplant Proc 2019; 51:998-1001. [PMID: 30979494 DOI: 10.1016/j.transproceed.2019.01.061] [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] [Received: 06/03/2018] [Revised: 12/25/2018] [Accepted: 01/17/2019] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To elucidate the mechanisms by which orally administered tacrolimus was not absorbed in a patient following allogeneic hematopoietic stem cell transplantation. CLINICAL COURSE A 17-year-old girl with acute myeloid leukemia underwent HLA-haploidentical peripheral blood stem cell transplantation following fludarabine, busulfan, and total-body irradiation. Graft-vs-host disease prophylaxis was post-transplant cyclophosphamide, followed by intravenous tacrolimus and mycophenolate mofetil. When tacrolimus was switched to oral administration, its blood level declined rapidly, resulting in development of acute graft-vs-host disease, which was ameliorated by switching back to intravenous administration. METHODS/RESULTS To elucidate if impaired tacrolimus absorption could be related to genetic polymorphism of tacrolimus-metabolizing enzymes, we analyzed gene polymorphisms of cytochrome P450 3A4, cytochrome P450 3A5, and multidrug resistance 1 (MDR1). The patient had wild-type cytochrome P450 3A4 (*1/*1) and variant-type cytochrome P450 3A5 (*3/*3), while MDR1 genes (2677A/G, 3435C/C) were wild-type. CONCLUSION Wild-type MDR1 gene product P-glycoprotein expressed in the intestine reduces drug absorption from the gastrointestinal tract and may have contributed to low blood levels of tacrolimus in this patient when tacrolimus was orally administered.
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Affiliation(s)
- S Matsuoka
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan.
| | - Y Tsutsumi
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan
| | - R Kikuchi
- Department of Hematology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | - S Ito
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan
| | - T Teshima
- Department of Hematology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
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Tsuchiya A, Yasunaga H, Tsutsumi Y, Kawahara T, Matsui H, Fushimi K. Nationwide observational study of mortality from complicated intra-abdominal infections and the role of bacterial cultures. Br J Surg 2019; 106:606-615. [PMID: 30883708 DOI: 10.1002/bjs.11095] [Citation(s) in RCA: 4] [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: 08/03/2018] [Revised: 10/30/2018] [Accepted: 11/26/2018] [Indexed: 12/29/2022]
Abstract
BACKGROUND The benefit of taking intra-abdominal cultures during source control procedures in patients with complicated intra-abdominal infection (CIAI) is unknown. The aim of this study was to evaluate whether intra-abdominal cultures reduce the mortality rate of CIAI. METHODS The Japanese Diagnosis Procedure Combination database was used to identify adult patients with CIAI who had undergone source control procedures on the first day of admission to hospital between April 2014 and March 2016. In-hospital mortality was compared between patients who did and those who did not have intra-abdominal cultures taken. A generalized linear mixed-effect logistic regression model and a random intercept per hospital were used to adjust for baseline confounders and institutional differences. Subgroup analyses were also performed according to disease cause, site of onset and severity of CIAI. RESULTS Intra-abdominal cultures were taken from 16 303 of 41 495 included patients. Multivariable logistic regression analysis showed that patients with intra-abdominal cultures had a significantly lower mortality than those without (odds ratio 0·85, 95 per cent c.i. 0·77 to 0·95). Subgroup analyses revealed statistically significant differences in mortality between patients with and without cultures among those with lower intestinal perforation, biliary tract infection/perforation, healthcare-associated CIAI and high-risk community-acquired CIAI. CONCLUSIONS Intra-abdominal cultures obtained during source control procedures may reduce in-hospital mortality, especially in patients with lower intestinal perforation, biliary tract infection/perforation, or healthcare-associated or high-risk community-acquired CIAI.
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Affiliation(s)
- A Tsuchiya
- Department of Clinical Epidemiology and Health Economics, School of Public Health, University of Tokyo, Tokyo, Japan.,Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Centre, Ibaraki, Japan
| | - H Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, University of Tokyo, Tokyo, Japan
| | - Y Tsutsumi
- Department of Emergency and Critical Care Medicine, National Hospital Organization Mito Medical Centre, Ibaraki, Japan
| | - T Kawahara
- Biostatistics Division, Central Coordinating Unit, Clinical Research Support Centre, University of Tokyo Hospital, Tokyo, Japan
| | - H Matsui
- Department of Clinical Epidemiology and Health Economics, School of Public Health, University of Tokyo, Tokyo, Japan
| | - K Fushimi
- Department of Health Policy and Informatics, Tokyo Medical and Dental University, Tokyo, Japan
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Strasser P, Abe M, Aoki M, Choi S, Fukao Y, Higashi Y, Higuchi T, Iinuma H, Ikedo Y, Ishida K, Ito T, Ito TU, Iwasaki M, Kadono R, Kamigaito O, Kanda S, Kawagoe K, Kawall D, Kawamura N, Kitaguchi M, Koda A, Kojima KM, Kubo K, Matama M, Matsuda Y, Matsudate Y, Mibe T, Miyake Y, Mizutani T, Nagamine K, Nishimura S, Ogitsu T, Saito N, Sasaki K, Seo S, Shimizu HM, Shimomura K, Suehara T, Tajima M, Tanaka KS, Tanaka T, Tojo J, Tomono D, Torii HA, Torikai E, Toyoda A, Tsutsumi Y, Ueno K, Ueno Y, Yagi D, Yamamoto A, Yamanaka T, Yamazaki T, Yasuda H, Yoshida M, Yoshioka T. New precise measurements of muonium hyperfine structure at J-PARC MUSE. EPJ Web Conf 2019. [DOI: 10.1051/epjconf/201919800003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
High precision measurements of the ground state hyperfine structure (HFS) of muonium is a stringent tool for testing bound-state quantum electrodynamics (QED) theory, determining fundamental constants of the muon magnetic moment and mass, and searches for new physics. Muonium is the most suitable system to test QED because both theoretical and experimental values can be precisely determined. Previous measurements were performed decades ago at LAMPF with uncertainties mostly dominated by statistical errors. At the J-PARC Muon Science Facility (MUSE), the MuSEUM collaboration is planning complementary measurements of muonium HFS both at zero and high magnetic field. The new high-intensity muon beam that will soon be available at H-Line will provide an opportunity to improve the precision of these measurements by one order of magnitude. An overview of the different aspects of these new muonium HFS measurements, the current status of the preparation for high-field measurements, and the latest results at zero field are presented.
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11
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Takemura T, Kataoka Y, Uneno Y, Otoshi T, Matsumoto H, Tsutsumi Y, Tsujimoto Y, Yuasa M, Yoshioka T, Wada H. The reporting quality of prediction models in oncology journals: A systematic review. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy433.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [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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12
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Isoda K, Daibo T, Yushina K, Yoshioka Y, Tsutsumi Y, Akimoto Y, Kawakami H, Taira Y, Taira I, Yanoshita R, Nishimura T, Ishida I. Hepatotoxicity, nephrotoxicity, and drug/chemical interaction toxicity of platinum nanoparticles in mice. Pharmazie 2018; 72:10-16. [PMID: 29441891 DOI: 10.1691/ph.2017.6758] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
Abstract
Nanomaterials are frequently used in microelectronics, cosmetics, and sunscreens. Platinum reagents are commonly used in disease diagnosis, cosmetics, and the food industry. Although research into the development of nanomaterialbased drug delivery systems has yielded promising results, the toxicity of these materials is not fully understood. We investigated the toxicity and drug interactions of 1- and 8-nm diameter platinum nanoparticles (nPt1 and nPt8, respectively) in mice. Acute hepato-renal toxicity of intravenously administered platinum nanoparticles was evaluated biochemically and histologically. Dose-dependent increases in serum markers of hepato-renal function (serum aminotransferases and blood urea nitrogen) were observed following administration of nPt1, whereas nPt8 had no effect, even at 20 mg/kg. Moreover, nPt1 induced interleukin (IL)-6 and IL-1β production 3 and 6 hours after administration. The effect of nPts on drug-induced toxicity was evaluated in mice injected intraperitoneally with carbon tetrachloride or cisplatin, with or without intravenous administration of platinum nanoparticles. All treatments in the absence of nanoparticles were non-lethal and resulted in moderate toxicity. However, exacerbated toxicity was observed in mice injected with carbon tetrachloride or cisplatin together with nPt1, but not in mice co-injected with nPt8. We found that nPt1 cause hepato-renal damage, and the effect is enhanced by chemical inducers of hepatotoxicity and nephrotoxicity. This is the first report demonstrating that nPt1 not only are hepatotoxic and nephrotoxic but also exacerbate drug toxicity. These findings will be useful for future nanotechnology and nanoscience research.
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Horimoto Y, Terao T, Tsutsumi Y, Tanabe M, Mogushi K, Arakawa A, Sonoue H, Saito M. Elucidation of frequent HER2 overexpression in ductal carcinoma in situ. Eur J Cancer 2018. [DOI: 10.1016/s0959-8049(18)30618-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: 11/15/2022]
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Oishi M, Tsutsumi Y, Chen P, Ashida M, Doi H, Hanawa T. Surface changes of yttria-stabilized zirconia in water and Hanks solution characterized using XPS. SURF INTERFACE ANAL 2018. [DOI: 10.1002/sia.6435] [Citation(s) in RCA: 6] [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: 11/05/2022]
Affiliation(s)
- M. Oishi
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; 2-3-10 Kanda-surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - Y. Tsutsumi
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; 2-3-10 Kanda-surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - P. Chen
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; 2-3-10 Kanda-surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - M. Ashida
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; 2-3-10 Kanda-surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - H. Doi
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; 2-3-10 Kanda-surugadai, Chiyoda-ku Tokyo 101-0062 Japan
| | - T. Hanawa
- Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; 2-3-10 Kanda-surugadai, Chiyoda-ku Tokyo 101-0062 Japan
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Otsuki J, Iwasaki T, Katada Y, Tsutsumi Y, Tsuji Y, Furuhashi K, Kokeguchi S, Shiotani M. A higher incidence of cleavage failure in oocytes containing smooth endoplasmic reticulum clusters. J Assist Reprod Genet 2018; 35:899-905. [PMID: 29357025 DOI: 10.1007/s10815-018-1119-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [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: 10/16/2017] [Accepted: 01/05/2018] [Indexed: 11/29/2022] Open
Abstract
PURPOSE In human oocytes, sERCs are one of the dysmorphic phenotypes that have been reported. Significantly reduced pregnancy rates and a comparatively higher number of abnormities in live births appear to be associated with the presence of sERCs in oocytes. However, some reports have shown that healthy babies can be born, without any reduced pregnancy rates, from oocytes observed to contain sERCs. Thus, the clinical and scientific significance of oocytes that harbor sERCs remains controversial. METHODS The presence of sERCs was evaluated using a time-lapse system while studying the dynamic changes within oocytes and embryos. Logistic regression analysis was carried out to explore the independent variables for meiotic and mitotic cleavage failure.. RESULTS The incidence of mitotic cleavage failure and the incidence of meiotic cleavage failure during the second polar body extrusion in oocytes with sERCs were found to be significantly higher than that in oocytes without sERCs. Furthermore, ICSI was found to have a greater frequency of meiotic failure than IVF. CONCLUSIONS In cases of cleavage failure, an embryonic cell could become tetraploid and may induce abnormal chromosomal configurations. Some cells exposed to cleavage failure may become trophectoderm cells and form placental abnormalities. Even if they develop into trophectoderm cells, the ICM can be susceptible to further cleavage failure and may in turn cause further aneuploidy. For these reasons, it is important to monitor pregnancies and births derived from oocytes that contained sERCs.
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Affiliation(s)
- Junko Otsuki
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan. .,Assisted Reproductive Technology Center, Okayama University, 1-1-1 Tsushimanaka, Kita, Okayama, Okayama, 700-0082, Japan.
| | - T Iwasaki
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - Y Katada
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - Y Tsutsumi
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - Y Tsuji
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - K Furuhashi
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - S Kokeguchi
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
| | - M Shiotani
- Hanabusa Women's Clinic, Sannomiya Central Building 2,7,8F 1-1-2 Sannomiya, Chuo, Kobe, Hyogo, 650-0021, Japan
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Iida M, Sahashi K, Kondo N, Nakatsuji H, Tohnai G, Tsutsumi Y, Adachi H, Sobue G, Katsuno M. Akt signaling pathway is dysregulated in polyglutamine diseases. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.597] [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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17
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Tsutsumi Y, Tateno T, Ito S, Shiratori S, Teshima T. Successful T-cell Replete Hematopoietic Stem Cell Boost Without Conditioning for Late Graft Failure. Transplant Proc 2016; 48:3225-3226. [PMID: 27932187 DOI: 10.1016/j.transproceed.2016.06.035] [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] [Received: 03/01/2016] [Revised: 05/05/2016] [Accepted: 06/06/2016] [Indexed: 10/20/2022]
Abstract
Late graft failure is a rare but significant complication after allogeneic stem cell transplantation, which is often complicated by severe infections. We report a case of late graft failure, which was successfully treated with a T-cell replete hematopoietic stem cell boost without conditioning that induced rapid engraftment and relieved the patient of infection. Discontinuation of immunosuppressants and nilotinib administration suppressed the host cells. Achieving full donor chimerism allowed us to administer a peripheral blood stem cell boost without conditioning.
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Affiliation(s)
- Y Tsutsumi
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan.
| | - T Tateno
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan
| | - S Ito
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan
| | - S Shiratori
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan
| | - T Teshima
- Department of Hematology, Hokkaido Graduate School of Medicine, Sapporo, Japan
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Affiliation(s)
- S. Arai
- Chemical-Research Laboratory Toyo Soda Manufacturing Co., Ltd. 4560 Tonda Shin-Nanyo-Shi Yamaguchi-Ken 746, Japan
| | - Y. Tamano
- Chemical-Research Laboratory Toyo Soda Manufacturing Co., Ltd. 4560 Tonda Shin-Nanyo-Shi Yamaguchi-Ken 746, Japan
| | - Y. Tsutsumi
- Chemical-Research Laboratory Toyo Soda Manufacturing Co., Ltd. 4560 Tonda Shin-Nanyo-Shi Yamaguchi-Ken 746, Japan
| | - D.W. Lowe
- Toyo Soda U.S.A., Inc. 1700 Water Place Suite 204 Atlanta, GA 30339 U.S.A
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19
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Affiliation(s)
- S. Arai
- Chemical-Research Laboratory Toyo Soda Manufacturing Co., Ltd. 4560 Tonda Shin-nanyo-shi Yamaguchi-ken 746, Japan
| | - Y. Tsutsumi
- Chemical-Research Laboratory Toyo Soda Manufacturing Co., Ltd. 4560 Tonda Shin-nanyo-shi Yamaguchi-ken 746, Japan
| | - D.W. Lowe
- Toyo Soda U.S.A., Inc. 1700 Water Place Suite 204 Atlanta, GA 30339
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Hirai T, Yoshioka Y, Takahashi H, Handa T, Izumi N, Mori T, Uemura E, Nishijima N, Sagami K, Yamaguchi M, Eto S, Nagano K, Kamada H, Tsunoda S, Ishii KJ, Higashisaka K, Tsutsumi Y. High-dose cutaneous exposure to mite allergen induces IgG-mediated protection against anaphylaxis. Clin Exp Allergy 2016; 46:992-1003. [DOI: 10.1111/cea.12722] [Citation(s) in RCA: 8] [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] [Received: 06/10/2015] [Revised: 01/18/2016] [Accepted: 02/07/2016] [Indexed: 11/30/2022]
Affiliation(s)
- T. Hirai
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - Y. Yoshioka
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
- Vaccine Creation Project; BIKEN Innovative Vaccine Research Alliance Laboratories; Research Institute for Microbial Diseases; Osaka University; Osaka Japan
- BIKEN Center for Innovative Vaccine Research and Development; The Research Foundation for Microbial Diseases of Osaka University; Osaka Japan
| | - H. Takahashi
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
- Vaccine Creation Project; BIKEN Innovative Vaccine Research Alliance Laboratories; Research Institute for Microbial Diseases; Osaka University; Osaka Japan
| | - T. Handa
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - N. Izumi
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - T. Mori
- Laboratory of Innovative Antibody Engineering and Design; Center for Drug Innovation and Screening; National Institutes of Biomedical Innovation; Health and Nutrition; Osaka Japan
| | - E. Uemura
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - N. Nishijima
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - K. Sagami
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - M. Yamaguchi
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - S. Eto
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - K. Nagano
- Laboratory of Biopharmaceutical Research; National Institutes of Biomedical Innovation; Health and Nutrition; Osaka Japan
| | - H. Kamada
- Laboratory of Biopharmaceutical Research; National Institutes of Biomedical Innovation; Health and Nutrition; Osaka Japan
- The Center for Advanced Medical Engineering and Informatics; Osaka University; Osaka Japan
| | - S. Tsunoda
- Laboratory of Biopharmaceutical Research; National Institutes of Biomedical Innovation; Health and Nutrition; Osaka Japan
- The Center for Advanced Medical Engineering and Informatics; Osaka University; Osaka Japan
| | - K. J. Ishii
- Laboratory of Adjuvant Innovation; National Institutes of Biomedical Innovation; Health and Nutrition; Osaka Japan
- Laboratory of Vaccine Science; Immunology Frontier Research Center; World Premier International Research Center; Osaka University; Osaka Japan
| | - K. Higashisaka
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
| | - Y. Tsutsumi
- Laboratory of Toxicology and Safety Science; Graduate School of Pharmaceutical Sciences; Osaka University; Osaka Japan
- Laboratory of Innovative Antibody Engineering and Design; Center for Drug Innovation and Screening; National Institutes of Biomedical Innovation; Health and Nutrition; Osaka Japan
- The Center for Advanced Medical Engineering and Informatics; Osaka University; Osaka Japan
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Ando D, Kamada H, Inoue M, Taki S, Furuya T, Abe Y, Nagano K, Tsutsumi Y, Tsunoda S. Generation of a sensitive TNFR2-specific murine assays system. Pharmazie 2016; 71:235-237. [PMID: 27348964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Tumor necrosis factor (TNF)/TNF receptors (TNFR1/TNFR2) are considered to be potential drug targets to treat refractory diseases, including autoimmune diseases and malignant tumors. However, their specific functions, especially in the case of TNFR2, are poorly understood. In this study, we constructed a mouse TNFR2 (mTNFR2)-mediated biological assay system that shows no effects of mouse TNFR1 (mTNFR1) in order to screen mTNFR2-selective stimulating agents. Mouse TNFR1(-/-)R2(-/-) preadipocytes were transfected with the gene encoding the mTNFR2/mouse Fas (mFas) chimeric receptor in which the extracellular and transmembrane domains of mTNFR2 were fused to the intracellular domain of mFas. Our results demonstrated that this cell line exhibits highly sensitive mTNFR2-mediated cytotoxic effects. We propose that this mTNFR2-mediated biological assay system would be a useful tool to screen for mTNFR2-selective stimulating agents.
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Affiliation(s)
- Y Tsutsumi
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan.
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Numata S, Tsutsumi Y, Monta O, Yamazaki S, Seo H, Yoshida S, Samura T, Ohashi H. Acute type A aortic dissection repair with mild-to-moderate hypothermic circulatory arrest and selective cerebral perfusion. J Cardiovasc Surg (Torino) 2015; 56:525-530. [PMID: 25723762] [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: 06/04/2023]
Abstract
AIM The purpose of this study was to evaluate surgical results of aortic repair with antegrade selective cerebral perfusion (ASCP) and mild-to-moderate hypothermia (MH) from 28 to 31°C comparing with previous series with hypothermia from 20°C to 27 °C. METHODS Between 2000 and 2011, 109 consecutive patients underwent surgical repair for acute type A aortic dissection with circulatory arrest and ASCP and MH in our institution. Mean patient age was 67±11 years old. Total arch replacement was performed in 85 patients (78%). Thirty (27%) patients had shock status preoperatively. The patients were divided into two different subsets, which is group A (circulatory arrest at less than 27.9 °C, N.=70), and group B (at more than 28 °C, N.=39). RESULTS The mean extra-corporeal circulation time was 185±47 minutes in group A and 155±38 minutes in group B (P<0.001). The hospital mortality was 11.4% in group A and 10.3% in group B (P>0.05). Permanent neurological deficit occurred in 10 patients (14.3%) in group A, and in 5 (12.8%) in group B (P>0.05). Two (2.8%) paraplegia occurred in group A, and none in group B (P>0.05). The incidence of renal failure requiring hemodialysis was 17.1% in group A and 7.7% in group B, (P>0.05). Respiratory failure after surgery occurred in 27.1% of patients in group A, and 5.1% in group B (P=0.005). CONCLUSION Circulatory arrest at more than 28 °C offered sufficient cerebral and distal organ protection for acute type A aortic dissection.
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Affiliation(s)
- S Numata
- Department of Cardiovascular Surgery, Fukui Cardiovascular Center, Fukui, Japan -
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Inoue A, Mafune K, Nakagawa Y, Tsutsumi Y, Hino A, Miyazaki Y, Yanagida K, Tanaka N, Hori C, Masuda K, Hiro H. P-33 * JOB STRAIN, SOCIAL SUPPORT AT WORK, AND SMOKING RELAPSE AMONG JAPANESE MALE EMPLOYEES: A THREE-YEAR PROSPECTIVE COHORT STUDY. Alcohol Alcohol 2014. [DOI: 10.1093/alcalc/agu054.33] [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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25
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Tsutsumi Y, Shimono J, Ohhigashi H, Ito S, Shiratori S, Teshima T. Analysis of the influence of dabigatran on coagulation factors and inhibitors. Int J Lab Hematol 2014; 37:225-30. [DOI: 10.1111/ijlh.12270] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 05/27/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Y. Tsutsumi
- Department of Hematology; Hakodate Municipal Hospital; Hakodate Japan
| | - J. Shimono
- Department of Hematology; Hakodate Municipal Hospital; Hakodate Japan
| | - H. Ohhigashi
- Department of Hematology; Hakodate Municipal Hospital; Hakodate Japan
| | - S. Ito
- Department of Hematology; Hakodate Municipal Hospital; Hakodate Japan
| | - S. Shiratori
- Department of Hematology; Hakodate Municipal Hospital; Hakodate Japan
| | - T. Teshima
- Department of Hematology; Graduate School of Medicine; Hokkaido University; Sapporo Japan
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Hayashi R, Ueno T, Migita S, Tsutsumi Y, Doi H, Ogawa T, Hanawa T, Wakabayashi N. Hydrocarbon Deposition Attenuates Osteoblast Activity on Titanium. J Dent Res 2014; 93:698-703. [PMID: 24868012 DOI: 10.1177/0022034514536578] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [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: 11/19/2013] [Accepted: 04/24/2014] [Indexed: 12/12/2022] Open
Abstract
Although the reported percentage of bone-implant contact is far lower than 100%, the cause of such low levels of bone formation has rarely been investigated. This study tested the negative biological effect of hydrocarbon deposition onto titanium surfaces, which has been reported to be inevitable. Osteogenic MC3T3-E1 cells were cultured on titanium disks on which the carbon concentration was experimentally regulated to achieve carbon/titanium (C/Ti) ratios of 0.3, 0.7, and 1.0. Initial cellular activities such as cell attachment and cell spreading were concentration-dependently suppressed by the amount of carbon on the titanium surface. The osteoblastic functions of alkaline phosphatase activity and calcium mineralization were also reduced by more than 40% on the C/Ti (1.0) surface. These results indicate that osteoblast activity is influenced by the degree of hydrocarbon contamination on titanium implants and suggest that hydrocarbon decomposition before implant placement may increase the biocompatibility of titanium.
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Affiliation(s)
- R Hayashi
- Removable Partial Prosthodontics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan
| | - T Ueno
- Removable Partial Prosthodontics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan
| | - S Migita
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - Y Tsutsumi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - H Doi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - T Ogawa
- Laboratory for Bone and Implant Sciences (LBIS), The Jane and Jerry Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, 10833 Le Conte Avenue, CHS B3-088H, Los Angeles, CA 90095-1668, USA
| | - T Hanawa
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-0062, Japan
| | - N Wakabayashi
- Removable Partial Prosthodontics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8549, Japan
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Mizutani Y, Tsuge S, Takeda H, Hasegawa Y, Shiogama K, Onouchi T, Inada K, Sawasaki T, Tsutsumi Y. In situ visualization of plasma cells producing antibodies reactive to Porphyromonas gingivalis in periodontitis: the application of the enzyme-labeled antigen method. Mol Oral Microbiol 2014; 29:156-73. [PMID: 24698402 PMCID: PMC4282379 DOI: 10.1111/omi.12052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [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] [Accepted: 03/28/2014] [Indexed: 12/02/2022]
Abstract
Porphyromonas gingivalis is a keystone periodontal pathogen. Histologocally, the gingival tissue in periodontitis shows dense infiltration of plasma cells. However, antigens recognized by antibodies secreted from the immunocytes remain unknown. The enzyme-labeled antigen method was applied to detecting plasma cells producing P. gingivalis-specific antibodies in biopsied gingival tissue of periodontitis. N-terminally biotinylated P. gingivalis antigens, Ag53 and four gingipain domains (Arg-pro, Arg-hgp, Lys-pro and Lys-hgp) were prepared by the cell-free protein synthesis system using wheatgerm extract. With these five labeled proteins as probes, 20 lesions of periodontitis were evaluated. With the AlphaScreen method, antibodies against any one of the five P. gingivalis antigens were detected in 11 (55%) serum samples and 17 (85%) tissue extracts. Using the enzyme-labeled antigen method on paraformaldehyde-fixed frozen sections of gingival tissue, plasma cells were labeled with any one of the five antigens in 17 (94%) of 18 specimens, in which evaluable plasma cells were detected. The positivity rates in periodontitis were significantly higher than those found previously in radicular cysts (20% in sera and 33% in tissue extracts with the AlphaScreen method, and 25% with the enzyme-labeled antigen method). Our findings directly indicate that antibodies reactive to P. gingivalis are locally produced in the gingival lesions, and that inflammatory reactions against P. gingivalis are involved in periodontitis.
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Affiliation(s)
- Y Mizutani
- Department of Pathology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
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Yamashita T, Kamada H, Kanasaki S, Maeda Y, Nagano K, Abe Y, Inoue M, Yoshioka Y, Tsutsumi Y, Katayama S, Inoue M, Tsunoda S. Epidermal growth factor receptor localized to exosome membranes as a possible biomarker for lung cancer diagnosis. Pharmazie 2013; 68:969-973. [PMID: 24400444] [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: 06/03/2023]
Abstract
Detection of drug-target proteins and biomarkers that are expressed in cancer tissue has significant potential for both diagnosis and treatment of cancer. However, current immuno-histochemical and cytogenetic analyses of biopsy specimens for pre-operational diagnosis are highly invasive and often difficult to apply to lung cancer patients. The purpose of this study was to evaluate the possible utility of determining epidermal growth factor receptor (EGFR) expression on exosomal membranes using a targeted ELISA with an anti-CD81 antibody as a capture antibody for lung cancer diagnosis. While soluble EGFR (sEGFR) levels in plasma were not remarkably different between lung cancer patients and normal controls, significantly higher exosomal EGFR expression levels were observed in 5/9 cancer cases compared to normal controls. These results suggest that measurement of exosomal protein levels could be useful for in vitro diagnosis, and that exosomal EGFR is a possible biomarker for characterization of lung cancer.
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Affiliation(s)
- T Yamashita
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - H Kamada
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - S Kanasaki
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - Y Maeda
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - K Nagano
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - Y Abe
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - M Inoue
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - Y Yoshioka
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - Y Tsutsumi
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - S Katayama
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
| | - M Inoue
- Department of Biochemistry, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - S Tsunoda
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Osaka, Japan
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Kaneko H, Tsutsumi Y, Ohshiro M, Iwai T, Kuroda J, Horiike S, Yokota S, Taniwaki M. Up-Front Autologous Stem Cell Transplantation for Elderly Patients with Diffuse Large B-Cell Lymphoma. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt460.94] [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: 11/12/2022] Open
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30
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Yamazaki S, Tsutsumi Y, Monta O, Numata S, Seo H, Yoshida S, Samura T, Ohashi H. 277 * SEVENTEEN-YEAR EXPERIENCE OF TRICUSPID RING ANNULOPLASTY: DURABILITY AND RISK FACTORS FOR FAILURE. Interact Cardiovasc Thorac Surg 2013. [DOI: 10.1093/icvts/ivt372.277] [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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31
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Iizuka Y, Koda E, Tsutsumi Y, Konishi Y, Ashida H, Nakanishi T, Funabiki M. Neonatal dural arteriovenous fistula at the confluence presenting with paralysis of the orbicularis oris muscle. Neuroradiol J 2013; 26:47-51. [PMID: 23859167 DOI: 10.1177/197140091302600108] [Citation(s) in RCA: 3] [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] [Received: 06/26/2012] [Accepted: 01/27/2013] [Indexed: 11/15/2022] Open
Abstract
A male neonate presented a dural arteriovenous fistula (DAVF) at the confluence with paralysis of the orbicularis oris muscle. The interesting features in our case were the clinical symptoms (orbicularis oris muscle paralysis at birth), angioarchitecture (high-flow arteriovenous shunts at the confluence) and the size and hemodynamic flow (mid-sized venous pouch) of the fistula. Additionally, the embolization technique (i.e., occipital artery approach, closing shunts with pure glue) automatically resulted in the immediate and complete closure of accessory feeders without any additional treatment, and the midterm clinical outcome was good. We succeeded improving the symptoms of a neonate with a congenital high-flow DAVF by closing a fistula using a small amount of glue.
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Affiliation(s)
- Y Iizuka
- Department of Radiology, Toho University Ohashi Medical Center; Tokyo, Japan.
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Abstract
Spontaneous symmetry breaking is an important concept in many branches of physics. In helium-3 ((3)He), the breaking of symmetry leads to the orbital chirality in the superfluid phase known as (3)He-A. Chirality is a fundamental property of (3)He-A, but its direct detection has been challenging. We report direct detection of chirality by transport measurements of electrons trapped below a free surface of (3)He-A. In particular, we observed the so-called intrinsic Magnus force experienced by a moving electron; the direction of the force directly reflected the chirality. We further showed that, at the superfluid transition, the system selected either right- or left-handed chirality. The observation of such selection directly demonstrates chiral symmetry breaking.
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Affiliation(s)
- H Ikegami
- Low Temperature Physics Laboratory, RIKEN, Wako, Saitama, Japan.
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Musial K, Zwolinska D, Pruthi R, Sinha M, Casula A, Lewis M, Tse Y, Maxwell H, O'Brien C, Inward C, Sharaf E, Fadel F, Bazaraa H, Hegazy R, Essam R, Manickavasagar B, Shroff R, McArdle A, Ledermann S, Shaw V, Van't Hoff W, Paudyal B, Prado G, Schoeneman M, Nepal MK, Feygina V, Bansilal V, Tawadrous H, Mongia AK, Melk A, Kracht D, Doyon A, Zeller R, Litwin M, Duzowa A, Sozeri B, Bayzit A, Caliskan S, Querfeld U, Wuhl E, Schaefer F, Schmidt B, Canpolat N, Caliskan S, Kara Acar M, Pehlivan S, Tasdemir M, Sever L, Nusken E, Taylan C, von Gersdorff G, Schaller M, Barth C, Dotsch J, Roomizadeh P, Gheissari A, Abedini A, Garzotto F, Zanella M, Kim J, Cena R, Neri M, Nalesso F, Brendolan A, Ronco C, Canpolat N, Sever L, Celkan T, Lacinel S, Tasdemir M, Keser A, Caliskan S, Taner Elmas A, Tabel Y, Ipek S, Karadag A, Elmas O, Ozyalin F, Hoxha (Qosja) A, Gjyzari A, Tushe E, Said RM, Abdel Fattah MA, Soliman DA, Mahmoud SY, Hattori M, Uemura O, Hataya H, Ito S, Hisano M, Ohta T, Fujinaga S, Kise T, Goto Y, Matsunaga A, Hashimoto T, Tsutsumi Y, Ito N, Akizawa T, Maher S, Cho BS, Choi YM, Suh JS, Farid F, El-Hakim I, Salman M, Rajnochova Bloudickova S, Viklicky O, Seeman T, Yuksel S, Caglar M, Becerir T, Tepeli E, Calli Demirkan N, Yalcin N, Ergin A, Hladik M, Sigutova R, Vsiansky F, Safarcik K, Svagera Z, Abd El Monem Soliman N, Bazaraa HM, Nabhan MM, Badr AM, Abd El Latif Shahin M, Skrzypczyk P, Panczyk-Tomaszewska M, Roszkowska-Blaim M, Wawer Z, Bienias B, Zajaczkowska M, Szczepaniak M, Pawlak-Bratkowska M, Tkaczyk M, Kilis-Pstrusinska K, Jakubowska A, Prikhodina L, Ryzhkova O, Poltavets N, Polyakov V. Paediatric nephrology II. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft157] [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: 11/12/2022] Open
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Yamagishi Y, Watari A, Hayata Y, Li X, Kondoh M, Tsutsumi Y, Yagi K. Hepatotoxicity of sub-nanosized platinum particles in mice. Pharmazie 2013; 68:178-182. [PMID: 23556335] [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: 06/02/2023]
Abstract
Nano-sized materials are widely used in consumer products, medical devices and engineered pharmaceuticals. Advances in nanotechnology have resulted in materials smaller than the nanoscale, but the biologic safety of the sub-nanosized materials has not been fully assessed. In this study, we evaluated the toxic effects of sub-nanosized platinum particles (snPt) in the mouse liver. After intravenous administration of snPt (15 mg/kg body weight) into mice, histological analysis revealed acute hepatic injury, and biochemical analysis showed increased levels of serum markers of liver injury and inflammatory cytokines. In contrast, administration of nano-sized platinum particles did not produce these abnormalities. Furthermore, snPt induced cytotoxicity when directly applied to primary hepatocytes. These data suggest that snPt have the potential to induce hepatotoxicity. These findings provide useful information on the further development of sub-nanosized materials.
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Affiliation(s)
- Y Yamagishi
- Laboratories of Bio-Functional Molecular Chemistry, Graduate School of Pharmaceutical Sciences, Osaka University, Japan
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Yamashita K, Yoshioka Y, Pan H, Taira M, Ogura T, Nagano T, Aoyama M, Nagano K, Abe Y, Kamada H, Tsunoda SI, Aoshima H, Nabeshi H, Yoshikawa T, Tsutsumi Y. Biochemical and hematologic effects of polyvinylpyrrolidone-wrapped fullerene C60 after oral administration. Pharmazie 2013; 68:54-57. [PMID: 23444781] [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: 06/01/2023]
Abstract
The fullerene C60 is used in consumer products such as cosmetics owing to its antioxidative effects and is being developed for nanomedical applications. However, knowledge regarding the safety of fullerene C60, especially after oral administration, is sparse. Here, we examined the safety of fullerene C60 in mice after 7 d of exposure to orally administered polyvinylpyrrolidone (PVP)-wrapped fullerene C60 (PVP-fullerene C60). Mice treated with PVP-fullerene C60 showed few changes in the plasma levels of various markers of kidney and liver injury and experienced no significant hematologic effects. Furthermore, the histology of the colon of PVP-fullerene C60-treated mice was indistinguishable from that of control mice. These results suggest that PVP-fullerene C60 lacks toxicity after high-dose oral administration and indicate that PVP-fullerene C60 can be considered safe for oral medication. These data provide basic information that likely will facilitate the production of safe and effective forms of fullerene C60.
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Affiliation(s)
- K Yamashita
- Laboratory of Toxicology and Safety Science, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
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Harada H, Murayama S, Fuji H, Yamashita H, Konno M, Kase Y, Asakura H, Ogawa H, Tsutsumi Y, Nishimura T. Clinical Comparison of Proton Beam Therapy and Stereotactic Body Radiation Therapy for Medically Inoperable Stage I Non-small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.1528] [Citation(s) in RCA: 1] [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: 11/26/2022]
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Tsutsumi Y, Harada H, Hirasawa N, Ogawa H, Asakura H, Fuji H, Murayama S, Mitsuya K, Nakasu Y, Nishimura T. Efficacy of Reirradiation for Patients With Recurrent High-grade Glioma. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.688] [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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Nagano T, Yoshioka Y, Higashisaka K, Kunieda A, Hata K, Nagano K, Abe Y, Kamada H, Tsunoda S, Nabeshi H, Yoshikawa T, Tsutsumi Y. Potential of acute-phase proteins as biomarkers for sub-nano platinum exposure. Pharmazie 2012; 67:958-959. [PMID: 23210250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Affiliation(s)
- T Nagano
- Laboratory of Toxicology and Safety Science, Graduate School of Pharmaceutical Sciences, Osaka University, Japan
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Kobayashi T, Tsutsumi Y, Sakamoto N, Nagoshi H, Yamamoto-Sugitani M, Shimura Y, Mizutani S, Matsumoto Y, Nishida K, Horiike S, Asano N, Nakamura S, Kuroda J, Taniwaki M. Double-hit Lymphomas Constitute a Highly Aggressive Subgroup in Diffuse Large B-cell Lymphomas in the Era of Rituximab. Jpn J Clin Oncol 2012; 42:1035-42. [DOI: 10.1093/jjco/hys148] [Citation(s) in RCA: 16] [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: 12/22/2022] Open
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40
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Hirai T, Yoshikawa T, Nabeshi H, Yoshida T, Akase T, Yoshioka Y, Itoh N, Tsutsumi Y. Dermal absorption of amorphous nanosilica particles after topical exposure for three days. Pharmazie 2012; 67:742-743. [PMID: 22957443] [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: 06/01/2023]
Abstract
The skin penetration and cellular localization of well-dispersed amorphous nanosilica particles (nSPs) with a diameter of 70 nm was analyzed in mice. Our results suggest that after topical exposure for three days the particles penetrate the skin barrier and are transported to the lymph nodes. These findings underscore the need to examine biological effects following dermal exposure to nSPs for the development of safer use of nSPs.
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Affiliation(s)
- T Hirai
- Laboratory of Toxicology and Safety Science, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
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Yoshida T, Yoshikawa T, Nabeshi H, Matsuyama K, Hirai T, Akase T, Yoshioka Y, Itoh N, Tsutsumi Y. Amorphous nanosilica particles induce ROS generation in Langerhans cells. Pharmazie 2012; 67:740-741. [PMID: 22957442] [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: 06/01/2023]
Abstract
Generation of total intracellular reactive oxygen species (ROS) was measured in XS52 cells, a Langerhans cell-like line, treated with different sized amorphous silica particles. The results suggested that exposure to amorphous nanosilica particles (nSPs) with a particle size of 70 nm induced a higher level of ROS generation than did exposure to micron-sized amorphous silica particles. This finding means that it is essential to examine the biological effects of ROS generated after exposure to nSPs, which will provide useful information for hazard identification as well as the design of safer nanomaterials.
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Affiliation(s)
- T Yoshida
- Laboratory of Toxicology and Safety Science, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
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Kamada H, Yamashita T, Kanasaki S, Maeda Y, Inoue M, Nagano K, Abe Y, Tsutsumi Y, Tsunoda S. 986 Detection of Drug-target Proteins on Tumor-derived Exosomes by ELISA Using Anti-CD81 Antibodies. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)71604-0] [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: 10/28/2022]
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43
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Nagano K, Okamura T, Yamashita T, Kanasaki S, Maeda Y, Inoue M, Abe Y, Kamada H, Tsutsumi Y, Tsunoda S. 263 Expression of Rho GDP Dissociation Inhibitor Correlates Positively With Lymph Node Metastasis in Colorectal Cancer. Eur J Cancer 2012. [DOI: 10.1016/s0959-8049(12)70958-9] [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: 11/26/2022]
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Kiyotani C, Uno T, Ogiwara H, Morota N, Nakazawa A, Tsutsumi Y, Masaki H, Mori T, Sanz JAS, Guibelalde M, Tavera A, Herandez I, Ibanez J, Brell M, Mas A, Muller HL, Gebhardt U, Warmuth-Metz M, Pietsch T, Sorensen N, Kortmann RD, Stapleton S, Gonzalez I, Steinbrueck S, Rodriguez L, Tuite G, Krzyzankova M, Mertsch S, Jeibmann A, Kordes U, Wolff J, Paulus W, Hasselblatt M, Nonaka Y, Hara S, Fukazawa S, Shimizu K, Ben-Arush M, Postovsky S, Toledano H, Peretz-Nahum M, Fujimura J, Sakaguchi S, Kondo A, Saito Y, Shimoji K, Ohara Y, Arakawa A, Saito M, Shimizu T, Benesch M, von Bueren AO, Dantonello T, von Hoff K, Pietsch T, Leuschner I, Claviez A, Bierbach U, Kropshofer G, Korinthenberg R, Graf N, Suttorp M, Kortmann RD, Friedrich C, Klingebiel T, Koscielniak E, Rutkowski S, Mesa M, Sanchez M, Mejia J, Pena G, Dussan R, Cabeza M, Storino A, Dincer F, Roffidal T, Powell M, Berrak S, Wolff JE, Fouyssac F, Delaunay C, Vignaud JM, Schmitt E, Klein O, Mansuy L, Chastagner P, Cruz O, Guillen A, Garcia G, Alamar M, Candela S, Roussos I, Garzon M, Sunol M, Muchart J, Rebollo M, Mora J, Wolff J, Diez B, Muggeri A, Arakaki N, Meli F, Sevlever G, Tsitouras V, Pettorini B, Fellows G, Blair J, Didi M, Daousi C, Steele C, Javadpour M, Sinha A, Hishii M, Kondo A, Fujimura J, Sakaguchi S, Ishii H, Shimoji K, Miyajima M, Arai H, Dvir R, Sayar D, Levin D, Ben-Sirah L, Constantini S, Elhasid R, Gertsch E, Foreman N, Valera ET, Brassesco MS, Machado HR, Oliveira RS, Santos AC, Terra VC, Barros MV, Scrideli CA, Tone LG, Merino D, Pienkowska M, Shlien A, Tabori U, Gilbertson R, Malkin D, Jeeva I, Chang B, Long V, Picton S, Burton D, Clark S, Kwok C, Mokete B, Rafiq O, Simmons I, Shing MMK, Li CK, Chan GCF, Ha SY, Yuen HL, Luk CW, Li CK, Ling SC, Li RCH, Yoon JH, Park HJ, Shin HJ, Park BK, Kim JY, Jung HL, Ra YS, Ghim TT, Wolff J, Hasselblatt M, Hartung S, Powell M, Garami M, Traunecker H, Thall P, Mahajan A, Kordes U, Sumerauer D, Grillner P, Orrego A, Mosskin M, Gustavsson B, Holm S, Peters N, Rogers M, Chowdry S, Selman W, Mitchell A, Bangert B, Ahuja S, Laschinger K, Gold D, Stearns D, Wright K, Gupta K, Klimo P, Ellison D, Keating G, Eckel L, Giannini C, Wetjen N, Patton A, Zaky W, McComb G, Finlay J, Grimm J, Wong K, Dhall G, Zaky W, Gilles F, Grimm J, Dhall G, Finlay J, Ormandy D, Alston R, Estlin E, Gattamaneni R, Birch J, Kamaly-Asl I, Hemenway M, Foreman N, Rush S, Reginald YA, Nicolin G, Bartel U, Buncic JR, Aguilera D, Flamini R, Mazewski C, Schniederjan M, Hayes L, Boydston W, MacDonald T, Fleming A, Jabado N, Saint-Martin C, Albrecht S, Ramsay DA, Farmer JP, Bendel A, Hansen M, Dugan S, Mendelsohn N. RARE TUMORS. Neuro Oncol 2012; 14:i148-i156. [PMCID: PMC3483354 DOI: 10.1093/neuonc/nos108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023] Open
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Machida Y, Itoh A, So Y, Izawa K, Haga Y, Yamamoto E, Kimura N, Onuki Y, Tsutsumi Y, Machida K. Twofold spontaneous symmetry breaking in the heavy-fermion superconductor UPt3. Phys Rev Lett 2012; 108:157002. [PMID: 22587277 DOI: 10.1103/physrevlett.108.157002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2011] [Indexed: 05/31/2023]
Abstract
The field-orientation dependent thermal conductivity of the heavy-fermion superconductor UPt3 was measured down to very low temperatures and under magnetic fields throughout the distinct superconducting phases: B and C phases. In the C phase, a striking twofold oscillation of the thermal conductivity within the basal plane is resolved reflecting the superconducting gap structure with a line of node along the a axis. Moreover, we find an abrupt vanishing of the oscillation across a transition to the B phase, as a clear indication of a change of gap symmetries. We also identify extra two line nodes below and above the equator in both B and C phases. From these results together with the symmetry consideration, the gap function of UPt3 is determined as a E(1u) representation characterized by a combination of two line nodes at the tropics and point nodes at the poles.
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Affiliation(s)
- Y Machida
- Department of Physics, Tokyo Institute of Technology, Meguro 152-8551, Japan
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Numata S, Tsutsumi Y, Ohashi H. Aortic arch surgery with a mild-to-moderate circulatory arrest: the significance of aortic arch pathology. Eur J Cardiothorac Surg 2012; 42:602; author reply 602-3. [DOI: 10.1093/ejcts/ezs161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Tsutsumi Y, Ogasawara R, Ito S, Sasaki J, Morita A, Senoo N, Murata N, Tanaka J, Asaka M, Imamura M. Retrospective analysis of an efficient peripheral blood stem cell collection and the relation between infused cell dose and clinical outcome in patients with malignant lymphoma and multiple myeloma. Int J Lab Hematol 2012; 34:403-9. [PMID: 22376221 DOI: 10.1111/j.1751-553x.2012.01410.x] [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: 11/27/2022]
Abstract
INTRODUCTION Etoposide (VP16) is a drug used not only for the treatment of lymphoma but also for the collection of peripheral blood stem cells (PBSCs). We analysed the efficacy and adverse effects of collecting PBSCs and the relation between the infused cell dose and the clinical outcome in lymphoid malignancies. METHOD Investigating 30 patients with non-Hodgkin's lymphoma, one patient with Hodgkin's lymphoma, and five patients with multiple myeloma, we compared the effects of several doses of etoposide with those of CHOP or CHOP-like treatments or salvage treatments. We also analysed the relation between the amount of CD34(+) cells collected (above or below 5.0 × 10(6) /kg/day) and prognosis of these patients. RESULTS We found the collected cell count to be highest in patients treated with 500 mg/m(2) of VP16 and lowest in those not treated with VP16 (P = 0.0073). A CD34(+) cell count above 100/μL on the collection day indicates that the target amount of CD34(+) cells (4.0 × 10(6) /kg) can be readily obtained and was reached most rapidly by the patients who had received 500 mg/m(2) of VP16 (P = 0.01). The longer duration of neutropenia in those patients (P = 0.000006) resulted in longer antibiotic treatment (P = 0.0052). Both progression-free survival (PFS) and overall survival (OS) were better for the patients who yielded more than 5.0 × 10(6) CD34(+) cells/kg/day (P = 0.087 for PFS and P < 0.033 for OS). CONCLUSION We show here that 3 days of VP16 at 500 mg/m(2) was useful for the collection of PBSCs and that patients who yielded more than 5.0 × 10(6) CD34(+) cells/kg/day survived longer than those who yielded less.
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Affiliation(s)
- Y Tsutsumi
- Department of Hematology, Hakodate Municipal Hospital, Hakodate, Japan.
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Yamashita T, Okamura T, Nagano K, Imai S, Abe Y, Nabeshi H, Yoshikawa T, Yoshioka Y, Kamada H, Tsutsumi Y, Tsunoda S. Rho GDP-dissociation inhibitor alpha is associated with cancer metastasis in colon and prostate cancer. Pharmazie 2012; 67:253-255. [PMID: 22530308] [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: 05/31/2023]
Abstract
Since metastasis is one of the most important prognostic factors in colorectal cancer, development of new methods to diagnose and prevent metastasis is highly desirable. However, the molecular mechanisms leading to the metastatic phenotype have not been well elucidated. In this study, a proteomics-based search was carried out for metastasis-related proteins in colorectal cancer by analyzing the differential expression of proteins in primary versus metastasis focus-derived colorectal tumor cells. Protein expression profiles were determined using a tissue microarray (TMA), and the results identified Rho GDP-dissociation inhibitor alpha (Rho GDI) as a metastasis-related protein in colon and prostate cancer patients. Consequently, Rho GDI may be useful as a diagnostic biomarker and/or a therapeutic to prevent colon and prostate cancer metastasis.
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Affiliation(s)
- T Yamashita
- Laboratory of Biopharmaceutical Research, National Institute of Biomedical Innovation, Graduate School of Pharmaceutical Sciences Osaka University, Osaka, Japan
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Tamakuma K, Mizutani Y, Ito M, Shiogama K, Inada K, Miyamoto K, Utsunomiya H, Mahara F, Tsutsumi Y. Histopathological diagnosis of Japanese spotted fever using formalin-fixed, paraffin-embedded skin biopsy specimens Usefulness of immunohistochemistry and real-time PCR analysis. Clin Microbiol Infect 2012; 18:260-7. [DOI: 10.1111/j.1469-0691.2011.03569.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [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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50
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Shinfuku M, Uchida H, Tsutsumi C, Suzuki T, Watanabe K, Kimura Y, Tsutsumi Y, Ishii K, Imasaka Y, Mimura M, Kapur S. How Psychotropic Polypharmacy in Schizophrenia Begins: A Longitudinal Perspective. Pharmacopsychiatry 2011; 45:133-7. [DOI: 10.1055/s-0031-1297934] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- M. Shinfuku
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
- Department of Psychiatry, Asaka Hospital, Fukushima, Japan
| | - H. Uchida
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
- Geriatric Mental Health Program, Centre for Addiction and Mental Health,Toronto, Canada
- Department of Psychiatry, Asakadai Mental Clinic, Saitama, Japan
| | - C. Tsutsumi
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
- Department of Psychiatry, Komagino Hospital,Tokyo, Japan
| | - T. Suzuki
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - K. Watanabe
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
- Department of Psychiatry, Ohizumi Hospital, Tokyo, Japan
| | - Y. Kimura
- Department of Psychiatry, Asakadai Mental Clinic, Saitama, Japan
- Department of Psychiatry, Ohizumi Hospital, Tokyo, Japan
| | - Y. Tsutsumi
- Department of Psychiatry, Ongata Hospital, Tokyo, Japan
| | - K. Ishii
- Department of Psychiatry, Ohizumi Hospital, Tokyo, Japan
| | - Y. Imasaka
- Department of Psychiatry, Ohizumi Hospital, Tokyo, Japan
- Department of Psychiatry, Ohizumi Mental Clinic, Tokyo, Japan
| | - M. Mimura
- Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan
| | - S. Kapur
- Institute of Psychiatry, King's College, London, United Kingdom
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