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Goigoux T, Ascher P, Blank B, Gerbaux M, Giovinazzo J, Grévy S, Kurtukian Nieto T, Magron C, Doornenbal P, Kiss GG, Nishimura S, Söderström PA, Phong VH, Wu J, Ahn DS, Fukuda N, Inabe N, Kubo T, Kubono S, Sakurai H, Shimizu Y, Sumikama T, Suzuki H, Takeda H, Agramunt J, Algora A, Guadilla V, Montaner-Piza A, Morales AI, Orrigo SEA, Rubio B, Fujita Y, Tanaka M, Gelletly W, Aguilera P, Molina F, Diel F, Lubos D, de Angelis G, Napoli D, Borcea C, Boso A, Cakirli RB, Ganioglu E, Chiba J, Nishimura D, Oikawa H, Takei Y, Yagi S, Wimmer K, de France G, Go S, Brown BA. Two-Proton Radioactivity of ^{67}Kr. PHYSICAL REVIEW LETTERS 2016; 117:162501. [PMID: 27792367 DOI: 10.1103/physrevlett.117.162501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Indexed: 06/06/2023]
Abstract
In an experiment with the BigRIPS separator at the RIKEN Nishina Center, we observed two-proton (2p) emission from ^{67}Kr. At the same time, no evidence for 2p emission of ^{59}Ge and ^{63}Se, two other potential candidates for this exotic radioactivity, could be observed. This observation is in line with Q value predictions which pointed to ^{67}Kr as being the best new candidate among the three for two-proton radioactivity. ^{67}Kr is only the fourth 2p ground-state emitter to be observed with a half-life of the order of a few milliseconds. The decay energy was determined to be 1690(17) keV, the 2p emission branching ratio is 37(14)%, and the half-life of ^{67}Kr is 7.4(30) ms.
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Kashiwagi T, Murakami T, Azuma M, Tamaki J, Ishibashi K, Kishida Y, Takei Y, Kawano S, Fusamoto H, Kamada T, Nakamura H, Kozuka T. Three-Dimensional Display of Liver, Spleen, Hepatoma, and Blood Vessels by MR Imaging and Computer Graphics. Acta Radiol 2016. [DOI: 10.1177/028418519403500118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The technique of generating 3-D images from CT and MR data has made progress. Manipulation of the images has become simpler, the processing time shorter, and the quality better. Clinical application of this technique has been performed for images of brain (5, 7, 8) and bone (1, 2, 6), but only a few studies have been done of abdominal organs (3, 4).
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Urawa M, Kobayashi T, D'Alessandro-Gabazza CN, Fujimoto H, Toda M, Roeen Z, Hinneh JA, Yasuma T, Takei Y, Taguchi O, Gabazza EC. Protein S is protective in pulmonary fibrosis. J Thromb Haemost 2016; 14:1588-99. [PMID: 27172994 DOI: 10.1111/jth.13362] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Indexed: 01/10/2023]
Abstract
UNLABELLED Essentials Epithelial cell apoptosis is critical in the pathogenesis of idiopathic pulmonary fibrosis. Protein S, a circulating anticoagulant, inhibited apoptosis of lung epithelial cells. Overexpression of protein S in lung cells reduced bleomycin-induced pulmonary fibrosis. Intranasal therapy with exogenous protein S ameliorated bleomycin-induced pulmonary fibrosis. SUMMARY Background Pulmonary fibrosis is the terminal stage of interstitial lung diseases, some of them being incurable and of unknown etiology. Apoptosis plays a critical role in lung fibrogenesis. Protein S is a plasma anticoagulant with potent antiapoptotic activity. The role of protein S in pulmonary fibrosis is unknown. Objectives To evaluate the clinical relevance of protein S and its protective role in pulmonary fibrosis. Methods and Results The circulating level of protein S was measured in patients with pulmonary fibrosis and controls by the use of enzyme immunoassays. Pulmonary fibrosis was induced with bleomycin in transgenic mice overexpressing human protein S and wild-type mice, and exogenous protein S or vehicle was administered to wild-type mice; fibrosis was then compared in both models. Patients with pulmonary fibrosis had reduced circulating levels of protein S as compared with controls. Inflammatory changes, the levels of profibrotic cytokines, fibrosis score, hydroxyproline content in the lungs and oxygen desaturation were significantly reduced in protein S-transgenic mice as compared with wild-type mice. Wild-type mice treated with exogenous protein S showed significant decreases in the levels of inflammatory and profibrotic markers and fibrosis in the lungs as compared with untreated control mice. After bleomycin infusion, mice overexpressing human protein S showed significantly low caspase-3 activity, enhanced expression of antiapoptotic molecules and enhanced Akt and Axl kinase phosphorylation as compared with wild-type counterparts. Protein S also inhibited apoptosis of alveolar epithelial cells in vitro. Conclusions These observations suggest clinical relevance and a protective role of protein S in pulmonary fibrosis.
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Saitoh M, Kobayashi K, Ohmori I, Tanaka Y, Tanaka K, Inoue T, Horino A, Ohmura K, Kumakura A, Takei Y, Hirabayashi S, Kajimoto M, Uchida T, Yamazaki S, Shiihara T, Kumagai T, Kasai M, Terashima H, Kubota M, Mizuguchi M. Cytokine-related and sodium channel polymorphism as candidate predisposing factors for childhood encephalopathy FIRES/AERRPS. J Neurol Sci 2016; 368:272-6. [PMID: 27538648 DOI: 10.1016/j.jns.2016.07.040] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 11/15/2022]
Abstract
Febrile infection-related epilepsy syndrome (FIRES), or acute encephalitis with refractory, repetitive partial seizures (AERRPS), is an epileptic encephalopathy beginning with fever-mediated seizures. The etiology remains unclear. To elucidate the genetic background of FIRES/AERRPS (hereafter FIRES), we recruited 19 Japanese patients, genotyped polymorphisms of the IL1B, IL6, IL10, TNFA, IL1RN, SCN1A and SCN2A genes, and compared their frequency between the patients and controls. For IL1RN, the frequency of a variable number of tandem repeat (VNTR) allele, RN2, was significantly higher in the patients than in controls (p=0.0067), and A allele at rs4251981 in 5' upstream of IL1RN with borderline significance (p=0.015). Haplotype containing RN2 was associated with an increased risk of FIRES (OR 3.88, 95%CI 1.40-10.8, p=0.0057). For SCN1A, no polymorphisms showed a significant association, whereas a missense mutation, R1575C, was found in two patients. For SCN2A, the minor allele frequency of G allele at rs1864885 was higher in patients with borderline significance (p=0.011). We demonstrated the association of IL1RN haplotype containing RN2 with FIRES, and showed a possible association of IL1RN rs4251981 G>A and SCN2A rs1864885 A>G, in Japanese patients. These preliminary findings suggest the involvement of multiple genetic factors in FIRES, which needs to be confirmed by future studies in a larger number of FIRES cases.
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Motoyama H, Sato T, Iwasaki A, Takei Y, Kume T, Egawa S, Hiraguri K, Hashizume H, Yamanouchi K, Mimura H. Development of high-order harmonic focusing system based on ellipsoidal mirror. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:051803. [PMID: 27250370 DOI: 10.1063/1.4950735] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 03/11/2016] [Indexed: 06/05/2023]
Abstract
We have developed a focusing system for extreme ultraviolet light produced by high-order harmonic generation. An ellipsoidal mirror with a precise surface shape was fabricated and installed into the focusing system. A rigid mirror manipulator and a beam profiler were employed to perform precise and stable mirror alignment. As a demonstration of the focusing performance, high-order harmonics in the wavelength range of 13.5-19.5 nm were successfully focused into a 2.4 × 2.3 μm(2) spot.
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Kobayashi H, Naito M, Masuya M, Maruyama M, Urata K, Takahashi Y, Tomaru A, Fujiwara K, Ohnishi M, Takagi T, Kobayashi T, D'Alessandro-Gabazza C, Urawa M, Gabazza EC, Taguchi O, Takei Y. Circulating fibrocytes correlate with the asthma control test score. Allergol Immunopathol (Madr) 2016; 44:191-6. [PMID: 26774356 DOI: 10.1016/j.aller.2015.09.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Revised: 09/05/2015] [Accepted: 09/30/2015] [Indexed: 11/29/2022]
Abstract
BACKGROUND Bronchial asthma is characterised by airway inflammation and remodelling with a decline of lung function. Fibrocytes are bone marrow-derived mesenchymal progenitor cells that play important roles in the pathogenesis of airway remodelling. Several clinical parameters are currently being used in routine clinical practice to assess outcome of therapy in asthma including frequency of rescue with short-acting β2-agonist and the asthma control test. In this study, we hypothesised that asthma control test is associated with circulating levels of fibrocytes in bronchial asthma. METHODS There were 20 patients with asthma and seven healthy controls. The number of CD45(+)Collagen I(+) circulating fibrocytes was assessed in the peripheral blood by flow cytometry. RESULTS The number of circulating fibrocytes was significantly increased in asthma patients with moderate and severe disease compared to controls, and it was inversely correlated with % forced expiratory volume in one second and % forced vital capacity (%FVC). The frequency of inhalation of short-acting β2 agonist and the asthma control test score was significantly and inversely correlated with the number of circulating fibrocytes. CONCLUSION The results of this study showed that the number of circulating fibrocytes is inversely correlated with clinical asthma control parameters, further supporting the relevance of measuring circulating fibrocytes as a marker of clinical control in bronchial asthma.
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Matsubara S, Takahashi H, Takei Y, Lefor AK. Re: Abnormally invasive placenta - prevalence, risk factors and antenatal suspicion: results from a large population-based pregnancy cohort study in the Nordic countries. BJOG 2016; 123:1031-2. [DOI: 10.1111/1471-0528.13759] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/22/2015] [Indexed: 11/30/2022]
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Takei Y, Okamoto S, Kawamura K, Jiang Y, Morinaga T, Shingyoji M, Sekine I, Kubo S, Tada Y, Tatsumi K, Shimada H, Hiroshima K, Yamaguchi N, Tagawa M. Expression of p53 synergistically augments caspases-mediated apoptosis induced by replication-competent adenoviruses in pancreatic carcinoma cells. Cancer Gene Ther 2015; 22:445-53. [DOI: 10.1038/cgt.2015.33] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 07/02/2015] [Accepted: 07/03/2015] [Indexed: 12/16/2022]
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Mizuno S, Inoue H, Tanemura A, Murata Y, Kuriyama N, Azumi Y, Kishiwada M, Usui M, Sakurai H, Tabata M, Yamada R, Yamamoto N, Sugimoto K, Shiraki K, Takei Y, Isaji S. Biliary complications in 108 consecutive recipients with duct-to-duct biliary reconstruction in living-donor liver transplantation. Transplant Proc 2015; 46:850-5. [PMID: 24767364 DOI: 10.1016/j.transproceed.2013.11.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Accepted: 11/05/2013] [Indexed: 12/19/2022]
Abstract
BACKGROUND Biliary complications remain the leading cause of postoperative complications after living-donor liver transplantation (LDLT) in patients undergoing duct-to-duct choledochocholedochostomy. The aim of this study was to analyze the causes of these complications. METHODS One hundred eight patients who underwent LDLT with duct-to-duct biliary reconstruction at Mie University Hospital were enrolled in this study. The mean follow-up time was 58.4 months (range, 3-132). The most recent 18 donors underwent indocyanine green (ICG) fluorescence cholangiography for donor hepatectomy. The development of biliary complications was retrospectively analyzed. Biliary complications were defined as needing endoscopic or radiologic treatment. RESULTS Biliary leakages and strictures occurred in 6 (5.6%) and 15 (13.9%) of the recipients, respectively, and 3 donors (2.7%) experienced biliary leakage. However, since the introduction of ICG fluorescence cholangiography, we have not encountered any biliary complications in either donors or recipients. Biliary leakage was an independent risk factor for the development of biliary stricture (P = .013). Twelve (80%) of the 15 recipients with biliary stricture had successful nonoperative endoscopic or radiologic management, and 3 patients underwent surgical repair with hepaticojejunosotomy. CONCLUSIONS Biliary leakage was an independent factor for biliary stricture. ICG fluorescence cholangiography might be helpful to reduce biliary complications after LDLT in both donors and recipients.
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Chelakkot-Govindalayathil AL, Mifuji-Moroka R, D'Alessandro-Gabazza CN, Toda M, Matsuda Y, Gil-Bernabe P, Roeen Z, Yasuma T, Yano Y, Gabazza EC, Iwasa M, Takei Y. Protein S exacerbates alcoholic hepatitis by stimulating liver natural killer T cells. J Thromb Haemost 2015; 13:142-54. [PMID: 25399514 DOI: 10.1111/jth.12789] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 11/05/2014] [Indexed: 12/15/2022]
Abstract
BACKGROUND Alcohol consumption is a major cause of liver injury but the mechanisms are not completely understood. Protein S (PS) is an anticoagulant glycoprotein with multiple functions. The role of PS in liver injury is unknown. OBJECTIVES This study investigated the role of PS in acute alcoholic hepatitis. METHODS A mouse overexpressing human PS (hPS-TG) was generated in which acute hepatitis was induced by intraperitoneal injection of ethanol. RESULTS The levels of serum liver enzymes and liver tissue inflammatory cytokines and the degree of hepatic steatosis were significantly increased in hPS-TG mice treated with ethanol compared with ethanol-treated wild type (WT) mice. Cell expansion, activation and inhibition of apoptosis were significantly augmented in natural killer T (NKT) cells from hPS-TG mice compared with WT mice. Liver mononuclear cells from hPS-TG mice express higher levels of inflammatory cytokines than those from WT mice after stimulation with a specific stimulant of NKT cells in vitro. In a co-culture system of hepatocytes and NKT cells, the effects of PS on ethanol-mediated cell injury were suppressed by a CD1d neutralizing antibody. Alcoholic liver injury was significantly improved in mice pre-treated with PS siRNA and anti-protein S antibody compared with control mice. Patients with alcoholic hepatitis showed significantly increased plasma PS levels and enhanced liver expression of PS and CD1d compared with controls. CONCLUSIONS The results of this study suggest that PS exacerbates acute alcoholic hepatitis by inhibiting apoptosis of activated NKT cells.
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MESH Headings
- Animals
- Antibodies, Neutralizing/pharmacology
- Antigens, CD1d/immunology
- Antigens, CD1d/metabolism
- Apoptosis
- Blood Proteins/genetics
- Blood Proteins/metabolism
- Case-Control Studies
- Cells, Cultured
- Coculture Techniques
- Disease Models, Animal
- Ethanol
- Fatty Liver, Alcoholic/immunology
- Fatty Liver, Alcoholic/metabolism
- Fatty Liver, Alcoholic/pathology
- Hepatitis, Alcoholic/genetics
- Hepatitis, Alcoholic/immunology
- Hepatitis, Alcoholic/metabolism
- Hepatitis, Alcoholic/pathology
- Hepatitis, Alcoholic/prevention & control
- Hepatocytes/immunology
- Hepatocytes/metabolism
- Hepatocytes/pathology
- Humans
- Inflammation Mediators/immunology
- Inflammation Mediators/metabolism
- Liver/immunology
- Liver/metabolism
- Liver/pathology
- Lymphocyte Activation
- Male
- Mice, Inbred C57BL
- Mice, Transgenic
- Natural Killer T-Cells/immunology
- Natural Killer T-Cells/metabolism
- Protein S/genetics
- Protein S/metabolism
- RNAi Therapeutics
- Severity of Illness Index
- Signal Transduction
- Up-Regulation
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Kamijo K, Kurata N, Sarai A, Kubota N, Takei Y, Nanto H. CsBr:Eu Phosphor Ceramics as a New Photostimulable Phosphor Material for Two Dimensional X-ray Imaging Sensor. J NUCL SCI TECHNOL 2014. [DOI: 10.1080/00223131.2004.10875722] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Nakamura K, Satoh T, Takei Y, Nagao S, Sekiguchi I, Suzuki M. Analysis of the effect of adjuvant radiotherapy on outcome and complications after radical hysterectomy in FIGO stage IB1 cervical cancer patients with intermediate risk factors. Gynecol Oncol 2014. [DOI: 10.1016/j.ygyno.2014.03.167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Yamashita M, Yokoyama K, Takei Y, Furuya N, Nakamichi Y, Ihara Y, Takahashi K, Groher ME. Acoustic characteristics of voluntary expiratory sounds after swallow for detecting dysphagia. J Oral Rehabil 2014; 41:667-74. [DOI: 10.1111/joor.12184] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/15/2014] [Indexed: 11/28/2022]
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Iwata H, Mizuno S, Ishikawa E, Tanemura A, Murata Y, Kuriyama N, Azumi Y, Kishiwada M, Usui M, Sakurai H, Tabata M, Yamamoto N, Sugimoto K, Shiraki K, Takei Y, Ito M, Isaji S. Negative Prognostic Impact of Renal Replacement Therapy in Adult Living-donor Liver Transplant Recipients: Preoperative Recipient Condition and Donor Factors. Transplant Proc 2014; 46:716-20. [DOI: 10.1016/j.transproceed.2013.11.113] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 11/15/2013] [Indexed: 02/07/2023]
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Hotta T, Takifuji K, Yokoyama S, Matsuda K, Oku Y, Nasu T, Ieda J, Yamamoto N, Iwamoto H, Takei Y, Mizumoto Y, Yamaue H. Impact of the post/preoperative serum CEA ratio on the survival of patients with rectal cancer. Surg Today 2014; 44:2106-15. [PMID: 24504847 DOI: 10.1007/s00595-014-0852-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Accepted: 11/05/2013] [Indexed: 12/19/2022]
Abstract
PURPOSE This study demonstrated the usefulness of the post/preoperative serum carcinoembryonic antigen (CEA) ratio as a predictor of survival after surgery for stage III rectal cancer patients. METHODS One hundred and four patients with stage III rectal cancer who underwent surgery between 1991 and 2000 were enrolled. The ratio of the postoperative serum CEA value divided by the preoperative serum CEA value was defined as post/preoperative serum CEA ratio, and the patients were separated into two groups: post/preoperative serum CEA ratio ≤ 1 (n = 86) and >1 (n = 18). RESULTS The multivariate analyses demonstrated that the intraoperative blood loss, lack of a sphincter-saving procedure and a post/preoperative serum CEA ratio >1 were independent factors predicting a poor prognosis for the overall and disease-free survival. The overall and disease-free survival rates among patients with a high preoperative serum CEA level (>5 ng/ml) or patients with a high postoperative serum CEA (>5 ng/ml) were longer in patients with a post/preoperative serum CEA ratio ≤ 1, in comparison to those with a post/preoperative serum CEA ratio >1. Liver metastasis was observed more frequently in patients with a post/preoperative serum CEA ratio >1. CONCLUSIONS The post/preoperative serum CEA ratio may be a predictor of the prognosis after surgery for stage III rectal cancer patients.
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Imai Y, Takata Y, Usui Y, Kurohane S, Takei Y, Yamashina A. Severe obstructive sleep apnea increases left atrial volume independent of left ventricular diastolic impairment. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht308.p1119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Takei Y, Tanaka N, Kurohane S, Takahashi N, Imai Y, Yamashina A. Prognostic significance of coronary flow reserve during acute hyperglycemia. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht311.5925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Kijima Y, Takei Y, Nakata T, Takagi T, Kawai K, Fukuda K, Yamagami M, Ichikawa M. Angioscopic characteristics of neoatherosclerosis in coronary dug-eluting stents: comparison between the first and second generations. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p3926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Miyamoto Y, Ohno T, Takei Y, Nanto H, Kurobori T, Yanagida T, Yoshikawa A, Nagashima Y, Yamamoto T. Optical properties in Ag+-doped phosphate glass irradiated with X-rays and α-particles. RADIAT MEAS 2013. [DOI: 10.1016/j.radmeas.2012.10.018] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lai K, Law AY, Lau MC, Takei Y, Tse WK, Wong CK. Osmotic stress transcription factor 1b (Ostf1b) promotes migration properties with the modulation of epithelial mesenchymal transition (EMT) phenotype in human embryonic kidney cell. Int J Biochem Cell Biol 2013; 45:1921-6. [DOI: 10.1016/j.biocel.2013.05.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Revised: 05/17/2013] [Accepted: 05/21/2013] [Indexed: 11/30/2022]
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Suzuki S, Shirakawa S, Takei Y, Matsunaga Y, Kawaguchi A, Akahane K, Shimada Y. SU-E-I-45: Dose Received by One-Year-Old Children During CT Scanning in Japan. Med Phys 2013. [DOI: 10.1118/1.4814155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Takei Y, Suzuki S, Koshida K, Kataoka Y, Kobayashi M, Ootsuka T. SU-E-I-49: Influence of the Phantom Length in Computed Tomography Dose Profile Dosimetry. Med Phys 2013. [DOI: 10.1118/1.4814159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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48
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Fujimori M, Takaki H, Nakatsuka A, Uraki J, Yamanaka T, Hasegawa T, Shiraki K, Takei Y, Sakuma H, Yamakado K. Combination therapy of chemoembolization and radiofrequency ablation for the treatment of hepatocellular carcinoma: 10-year outcomes and prognostic factors. J Vasc Interv Radiol 2013. [DOI: 10.1016/j.jvir.2013.01.285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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49
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Inoue H, Katurahara M, Hamada Y, Ninomiya K, Tano S, Takayama R, Nojiri K, Tameda M, Horiki N, Takei Y. Hemosuccus pancreaticus caused by in situ carcinoma of the pancreas. Endoscopy 2013; 44 Suppl 2 UCTN:E336-7. [PMID: 23012009 DOI: 10.1055/s-0032-1309863] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
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50
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Suzuki T, Yano Y, Sakamoto M, Uemura M, Yasuma T, Onishi Y, Sasaki R, Matsumoto K, Hayashi T, Maruyama-Furuta N, Akatsuka H, Gabazza EC, Sumida Y, Takei Y. Correlation of circulating dehydroepiandrosterone with activated protein C generation and carotid intima-media thickness in male patients with type 2 diabetes. Diabet Med 2012; 29:e41-6. [PMID: 22248365 DOI: 10.1111/j.1464-5491.2012.03573.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
AIMS Dehydroepiandrosterone exerts a protective effect against cardiovascular diseases. However, the relationship of dehydroepiandrosterone with the anticoagulant factor activated protein C, generated by the thrombin-thrombomodulin complex on vascular endothelial cells, remains unknown. This study aimed at studying the relationship between dehydroepiandrosterone and activated protein C generation in patients with Type 2 diabetes. METHODS Sixty-two male patients with Type 2 diabetes were enrolled in this study. Data obtained from 40 healthy male subjects were used as controls. The plasma levels of dehydroepiandrosterone, the activated protein C-protein C inhibitor complex, high-sensitivity C-reactive protein and monocyte chemoattractant protein-1 were measured by enzyme immunoassays. Carotid intima-media thickness was measured by ultrasonography. RESULTS The plasma levels of dehydroepiandrosterone (5.15 ± 2.81 vs. 3.76 ± 2.16 ng/ml; P < 0.005) and the activated protein C-protein C inhibitor complex (1.90 ± 1.07 vs. 1.02 ± 0.51 ng/ml; P < 0.001) were significantly lower in patients with diabetes than in normal subjects. Univariate analysis showed a significant correlation of the plasma level of dehydroepiandrosterone with that of the activated protein C-protein C inhibitor complex (r = 0.48, P < 0.001), high-sensitivity C-reactive protein (r = -0.30, P < 0.05) and with the mean intima-media thickness (r = -0.28, P < 0.05) in patients with diabetes. Stepwise multiple regression analysis showed that the plasma level of dehydroepiandrosterone is significantly correlated with the plasma levels of the activated protein C-protein C inhibitor complex (F = 18.06) and high-sensitivity C-reactive protein (F = 4.94). There was no correlation between the plasma levels of dehydroepiandrosterone and monocyte chemoattractant protein-1. CONCLUSIONS These results suggest that lower circulating levels of dehydroepiandrosterone are associated with decreased activated protein C generation and higher intima-media thickness in patients with Type 2 diabetes.
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