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Hashinaga T, Miyazaki S, Ueki T, Horikawa H. Transformation and Deformation Behavior in Sputter-Deposited Ti-Ni-Cu Thin Films. ACTA ACUST UNITED AC 2014. [DOI: 10.1051/jp4/199558689] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Ishida A, Sato M, Takei A, Kase Y, Miyazaki S. Effect of Heat Treatment on Shape Memory Behavior of Ti-Ni Thin Films. ACTA ACUST UNITED AC 2014. [DOI: 10.1051/jp4/199558701] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Nomura K, Miyazaki S, Ishida A. Effect of Plastic Strain on Shape Memory Characteristics in Sputter-Deposited Ti-Ni Thin Films. ACTA ACUST UNITED AC 2014. [DOI: 10.1051/jp4/199558695] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Miyazaki S, Nomura K, Ishida A. Shape Memory Effects Associated with the Martensitic and R-Phase Transformations in Sputter-Deposited Ti-Ni Thin Films. ACTA ACUST UNITED AC 2014. [DOI: 10.1051/jp4/199558677] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Chan JSD, Abdo S, Ghosh A, Alquier T, Chenier I, Filep JG, Ingelfinger JR, Zhang SL, Ross EA, Willenberg BJ, Oca-Cossio J, Clapp WL, Terada N, Abrahamson DR, Ellison GW, Matthews CE, Batich CD, Ihoriya C, Satoh M, Sasaki T, Kashihara N, Piwkowska A, Rogacka D, Angielski S, Jankowski M, Pontrelli P, Conserva F, Papale M, Accetturo M, Gigante M, Vocino G, Dipalma AM, Grandaliano G, Di Paolo S, Gesualdo L, Franzen S, Pihl L, Khan N, Gustafsson H, Palm F, Koszegi S, Hodrea J, Lenart L, Hosszu A, Wagner L, Vannay A, Tulassay T, Szabo A, Fekete A, Aoki R, Sekine F, Kikuchi K, Miyazaki S, Yamashita Y, Itoh Y, Kolling M, Park JK, Haller H, Thum T, Lorenzen J, Hirayama A, Yoh K, Ueda A, Itoh H, Owada S, Kokeny G, Szabo L, Fazekas K, Rosivall L, Mozes MM, Kim Y, Koh ES, Lim JH, Kim MY, Chang YS, Park CW, Kim Y, Kim HW, Kim MY, Lim JH, Chang YS, Park CW, Shin BC, Kim HL, Chung JH, Chan JS, Wu TC, Chen JW, Rogacka D, Piwkowska A, Angielski S, Jankowski M, Clotet S, Soler MJ, Rebull M, Pascual J, Riera M, Patinha D, Afonso J, Sousa T, Morato M, Albino-Teixeira A, Kim H, Min HS, Kang MJ, Kim JE, Lee JE, Kang YS, Cha DR, Jo YI, Seo EH, Kim JD, Lee SH, Jorge L, Silva KAS, Luiz RS, Rampaso RR, Lima W, Cunha TS, Schor N, Lee HJ, Park JY, Kim SK, Moon JY, Lee SH, Ihm CG, Lee TW, Jeong KH, Moon JY, Kim S, Park JY, Kim SY, Kim YG, Jeong KH, Lee SH, Ihm CG, Marques C, Mega C, Goncalves A, Rodrigues-Santos P, Teixeira-Lemos E, Teixeira F, Fontes Ribeiro C, Reis F, Fernandes R, Sutariya BK, Badgujar LB, Kshtriya AA, Saraf MN, Chiu CH, Lee WC, Chau YY, Lee LC, Lee CT, Chen JB, Dahan I, Nakhoul F, Thawho N, Ben-Itzhaq O, Levy AP, Conserva F, Pontrelli P, Accetturo M, Cordisco G, Fiorentino L, Federici M, Grandaliano G, Di Paolo S, Gesualdo L, Wystrychowski G, Havel PJ, Graham JL, Zukowska-Szczechowska E, Obuchowicz E, Psurek A, Grzeszczak W, Wystrychowski A, Clotet S, Soler MJ, Rebull M, Gimeno J, Pascual J, Riera M, Almeida BZD, Seraphim DCC, Punaro G, Nascimento M, Mouro M, Lanzoni VP, Lopes GS, Higa EMS, Roca-Ho H, Riera M, Marquez E, Pascual J, Soler MJ. DIABETES EXPERIMENTAL. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Miyazaki S, Yoshikawa T, Hashiramoto A, Yamada R, Tsubouchi Y, Kohno M, Kawahito Y, Kondo M, Sano H. ACTH expression in synovium of patients with rheumatoid arthritis and Lewis rats with adjuvant arthritis. Mod Rheumatol 2014; 12:206-12. [PMID: 24387059 DOI: 10.3109/s101650200036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract Adrenocorticotropic hormone (ACTH) and another pro-opiomelanocortin-derived neuropeptide, β-endorphin (β-End), are stimulated by corticotropin-releasing hormone (CRH) at the anterior pituitary. CRH and β-End have predominantly proinflammatory effects in peripheral inflammatory sites. We have supposed that inflammatory stimuli develop ACTH as well as β-End. In this study, we investigated the expression of ACTH in inflamed synovial tissue from patients with rheumatoid arthritis (RA) and osteoarthritis (OA), and at inflammatory joints with adjuvant-induced arthritis (AA) in female Lewis (LEW/N) rats. The expression of ACTH immunostaining was significantly greater in synovium of RA patients than in that of OA patients (P < 0.0001), and correlated with the extent of inflammatory mononuclear cell infiltration. Extensive and intense intracellular ACTH immunostaining, which correlated with the advance in arthritis score, was observed in the synovial lining layer, inflammatory mononuclear cells, and fibroblast-like cells of synovium and chondrocytes in LEW/N rats with AA. In addition, we performed double immunostaining of the same sections from arthritic joints in rats with anti-ACTH and anti-CRH antibodies. ACTH and CRH colocalized in inflammatory mononuclear cells and fibroblast-like cells. ACTH may play a role in the pathogenesis of RA as well as CRH.
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Waki H, Miyazaki S, Miura T, Uebaba K, Hisajima T. LB004-MON EFFECT OF ENZYME-TREATED ASPARAGUS (ETAS) ON THE STRESS RESPONSE SUBSTANCE IN A CLINICAL TRIAL. Clin Nutr 2013. [DOI: 10.1016/s0261-5614(13)60606-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ikeda T, Iwanaga Y, Morooka H, Fujiki H, Miyazaki S. Chronic blockade of vasopressin type1a receptor and/or type2 receptor improves both cardiac and renal damage and dysfunction in hypertensive rats. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p3312] [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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Takeno H, Yasaka Y, Ishikawa M, Nakashima Y, Kume M, Sotani N, Munakata Y, Harada S, Akashi D, Kawaguchi T, Miyazaki S, Ichimura K. Recent Results in Research on Direct Energy Conversion for a Fusion System. FUSION SCIENCE AND TECHNOLOGY 2013. [DOI: 10.13182/fst13-a16888] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Miyazaki S, Fujita K, Harada S, Takeno H, Yasaka Y, Ichimura K, Nakashima Y. Studies on Characteristics of a Bias-Type Traveling Wave Direct Energy Converter Installed on GAMMA 10 Tandem Mirror. FUSION SCIENCE AND TECHNOLOGY 2013. [DOI: 10.13182/fst13-a16936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Ohta A, Murakami H, Higashi S, Miyazaki S. Determination of Energy Band Alignment in Ultrathin Hf-based Oxide/Pt System. ACTA ACUST UNITED AC 2013. [DOI: 10.1088/1742-6596/417/1/012012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Mizuta E, Utami SB, Ohtahara A, Endo S, Mishima M, Hasegawa A, Yamada K, Kato M, Yamamoto K, Ogino K, Ninomiya H, Miyazaki S, Hamada T, Taniguchi SI, Cheng J, Hisatome I. A vasodilating β1 blocker celiprolol inhibits muscular release of uric acid precursor in patients with essential hypertension. Horm Metab Res 2013; 45:69-73. [PMID: 22893261 DOI: 10.1055/s-0032-1321872] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Although nonvasodilating β1 blockers increase the levels of uric acid in serum, it is not known whether vasodilating β1 blockers have a similar effect. In the present study, we evaluated the effect of celiprolol on the release of hypoxanthine, a uric acid precursor, from muscles after an exercise. We used the semi-ischemic forearm test to examine the release of lactate (ΔLAC), ammonia (ΔAmm), and hypoxanthine (ΔHX) before and 4, 10, and 60 min after an exercise in 18 hypertensive patients as well as 4 normotensive subjects. Before celiprolol treatment, all the levels of ΔHX and ΔAmm, and ΔLAC were increased by semi-ischemic exercise in hypertensive patients, and the increases were remarkably larger than those in normotensive subjects. Celiprolol decreased both systolic and diastolic pressure. It also decreased the levels of ΔHX and ΔAmm without changes in ΔLAC after an exercise. These findings also were confirmed by summation of each metabolite (ΣΔMetabolites). Celiprolol caused a marginal decrease of serum uric acid, but the difference was not statistically significant. On the other hand, nonvasodilating β1 blockers did not suppress the levels of ΔHX and ΔAmm, whereas they significantly increased ΔLAC after an exercise. Celiprolol improved energy metabolism in skeletal muscles. It suppressed HX production and consequently did not adversely affect serum uric acid levels.
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Jovanovic I, Giga V, Tesic M, Paunovic I, Kostic J, Dobric M, Dikic M, Stepanovic J, Belesiln B, Djordjevic-Dikic A, Lindqvist P, Henein M, Soderberg S, Gonzalez M, Tossavainen E, Djordjevic-Dikic A, Tesic M, Stepanovic J, Giga V, Kostic J, Trifunovic D, Jovanovic I, Paunovic I, Stanic S, Beleslin B, Koutsogiannis N, Moulias A, Xanthopoulou I, Mavronasiou E, Kakkavas A, Davlouros P, Alexopoulos D, Barbier P, Cefalu' C, Gripari P, Pontone G, Andreini D, Pepi M, Duncan AM, Snow T, Barker S, Davies S, Di Mario C, Moat N, Serra W, Chetta A, Marangio E, Reverberi C, Cattabiani MA, Ardissino D, Sahlen A, Hakansson F, Shahgaldi K, Manouras A, Norman M, Winter R, Johnson J, Fawzi S, Rafla SM, El Atroush H, Farouk K, Wilson C, Hilde J, Skjoerten I, Melsom M, Humerfelt S, Hansteen V, Hisdal J, Steine K, Rees P, Hutchings S, Magnino C, Omede' P, Avenatti E, Chiarlo M, Presutti D, Bucca C, Moretti C, Gaita F, Veglio F, Milan A, Kostic J, Tesic M, Stepanovic J, Giga V, Paunovic I, Marinkovic A, Jovanovic I, Beleslin B, Ostojic M, Djordjevic Dikic A, Najjar E, Winter R, Gunyeli E, Shahgaldi K, Manouras A, Rodriguez Munoz DA, Moya Mur J, Baguda JDJ, Lazaro Rivera C, Navas Tejedor P, Jimenez Nacher J, Castillo Orive M, Fernandez-Golfin C, Zamorano Gomez J, Satendra M, Sargento L, Sousa C, Lousada N, Palma Reis R, Said K, Shehata A, Ashour Z, El-Tobgi S, Li Kam Wa M, Pabari P, Perry S, Kyriacou A, Manisty C, Francis D, Kusmierczyk-Droszcz B, Kowalik E, Niewiadomska J, Lech A, Hoffman P, Patrianakos A, Kalogerakis A, Zacharaki A, Nyktari E, Psathakis E, Parthenakis F, Vardas P, Stefani L, Milicia M, Bartolini A, Gori N, Tempesti G, Toncelli L, Vono M, Di Tante V, Pedri S, Galanti G, Zhong L, Huang F, Le T, Chen Q, Gao F, Tan R, Anwar A, Nosir Y, Alasnig M, Llemit M, Alhagoly A, Chamsi-Pasha H, Trifunovic D, Ostojic M, Stankovic S, Vujisic-Tesic B, Petrovic M, Nedeljkovic I, Beleslin B, Djordjevic-Dikic A, Banovic M, Tesic M, Orii M, Hirata K, Tanimoto T, Ishibashi K, Yamano T, Ino Y, Yamaguchi T, Kubo T, Imanishi T, Akasaka T, Giesecke A, Ripsweden J, Shahgaldi K, Guyeli E, Winter R, Hristova K, Vasilev D, Pavlov P, Katova T, Simova I, Kostova V, Wada T, Hirata KH, Kubo T, Shiono Y, Ishibashi K, Tanimoto T, Ino Y, Yamaguchi T, Imanishi TI, Akasaka T, Martirosyan M, Adamyan K, Chilingaryan A, Negrea S, Alexandrescu C, Civaia F, Bourlon F, Dreyfus G, Malev E, Kim G, Omelchenko M, Mitrofanova L, Zemtsovsky E, Santoro A, Costantino F, Dores E, Tarsia G, Di Natale M, Innelli P, Schiano Lomoriello V, De Stefano F, Galderisi M, Lee SP, Ahn H, Hwang H, Kim H, Kim Y, Kim K, Kim K, Sohn D, Ahn H, Calin A, Popescu B, Rosca M, Beladan C, Enache R, Gurzun M, Calinescu C, Calin C, Ginghina C, Rafla S, Hamdy S, Lotfi M, Elneklawy M, Mordi I, Spratt J, Sonecki P, Stanton T, Mcculloch A, Goodfield N, Tzemos N, Ghulam Ali S, Fusini L, Tamborini G, Celeste F, Gripari P, Muratori M, Maffessanti F, Mirea O, Alamanni F, Pepi M, Demirkan B, Guray Y, Guray U, Ege M, Kisacik H, Sasmaz H, Korkmaz S, Petrovic-Nagorni S, Zdravkovic-Ciric S, Nagorni A, Stanojevic D, Jankovic-Tomasevic R, Atanaskovic V, Mitic V, Szymanski C, Magne J, Rusinaru D, Fournier A, Mezghani S, Peltier M, Touati G, Tribouilloy C, Huttin O, Khachab H, Voilliot D, Schwartz J, Zinzius P, Lemoine S, Carillo S, Popovic B, Juilliere Y, Selton-Suty C, Kimura K, Takenaka K, Ebihara A, Uno K, Morita H, Nakajima T, Motoyoshi Y, Komori T, Yatomi Y, Nagai R, Mihaila S, Mincu R, Rimbas R, Badiu C, Vinereanu D, Igual Munoz B, Maceira Gonzalez A, Domingo Valero D, Estornell Erill J, Giner Blasco J, Arnau Vives M, Molina Aguilar P, Navarro Manchon J, Zorio Grima E, Miglioranza M, Sant'anna R, Rover M, Mantovani A, Lessa J, Haertel J, Salgado Filho P, Kalil R, Leiria T, Risum N, Sogaard P, Fritz Hansen T, Bruun N, Kisslo J, Velazquez E, Jons C, Olsen N, Azevedo O, Lourenco M, Machado I, Pereira V, Medeiros R, Pereira A, Quelhas I, Lourenco A, Rangel I, Goncalves A, Sousa C, Correia A, Pinho T, Madureira A, Martins E, Silva-Cardoso J, Macedo F, Maciel M, Kinova E, Zlatareva N, Goudev A, Rogge B, Cramariuc D, Lonnebakken M, Rieck A, Gohlke-Baerwolf C, Chambers J, Boman K, Gerdts E, Florescu M, Mihalcea D, Enescu O, Suran B, Mincu R, Patrascu N, Magda L, Cinteza M, Vinereanu D, Bruno R, Cogo A, Bartesaghi M, Thapa K, Duo E, Basnyat B, Ghiadoni L, Picano E, Sicari R, Pratali L, Jensen-Urstad K, Nordin A, Bjornadal L, Svenungsson E, King GJ, Murphy R, Almuntaser I, Mc Loughlin B, Livingston A, Nevin S, Clarke J, De Sousa CC, Rangel I, Martins E, Correia A, Nadais G, Silveira F, Silva Cardoso J, Goncalves A, Macedo F, Maciel M, Lindqvist P, Henein M, Hornsten R, Rasmunsson J, Hedstrom M, Alm C, Filali T, Jedaida B, Lahidheb D, Gommidh M, Mahfoudhi H, Hajlaoui N, Dahmani R, Fehri W, Haouala H, Shin SH, Woo S, Kim D, Park K, Kwan J, Brambila CA, Gabrielli L, Bijnens B, Marin J, Sitges I, Grazioli G, Pare C, Mont L, Brugada J, Sitges M, Pica S, Ghio S, Raineri C, Camporotondo R, Rordorf R, Previtali M, Landolina M, Valentini A, Turco A, Visconti L, Stuart B, Santos A, Cruz I, Caldeira D, Cotrim C, Fazendas P, Joao I, Almeida A, Pereira H, Goncalves A, Pinho T, Sousa C, Rangel I, Correia A, Madureira A, Macedo F, Zamorano JL, Maciel M, Driessen M, Kort E, Leiner T, Cramer M, Sieswerda G, Chamuleau S, Kim D, Choi Y, Park H, Kim H, Shin J, Song J, Kang D, Song J, Parisi V, Galasso G, Festa G, Piccolo R, Rengo G, De Rosa R, Pagano G, Iacotucci P, Leosco D, Piscione F, Bellsham-Revell H, Nedjati-Gilani S, Yao C, Pushparajah K, Penney G, Simpson J, Lopez Melgar B, Sanchez Sanchez V, Rodriguez Garcia J, Coma Samartin R, Martin Asenjo R, Fernandez Casares S, Lopez-Guarch CJ, Diaz Anton B, Mayordomo Gomez S, Lombera Romero F, Yamada S, Okada K, Iwano H, Nishino H, Nakabachi M, Yokoyama S, Kaga S, Mikami T, Tsutsui H, Stoebe S, Tarr A, Pfeiffer D, Hagendorff A, Klitsie L, Roest A, Kuipers I, Van Der Hulst A, Hazekamp M, Blom N, Ten Harkel A, Hagendorff A, Stoebe S, Tarr A, Gelbrich G, Loeffler M, Pfeiffer D, Badran H, Elnoamany M, Soltan G, Ezat M, Elsedi M, Abdelfatah R, Yacoub M, Kydd A, Khan F, Mccormick L, Gopalan D, Virdee M, Dutka D, Ruiz Ortiz M, Mesa D, Delgado M, Romo E, Morenate M, Baeza F, Castillo F, Lopez Granados A, Del Prado JA, De Lezo JS, Kilickiran Avci B, Yurdakul S, Sahin S, Ermis E, Dilekci B, Aytekin S, Turhan S, Gerede D, Hural R, Ozcan O, Candemir B, Erol C, Saha SK, Kiotsekoglou A, Gopal A, Govind S, Lindqvist P, Soderberg S, Kawata T, Daimon M, Sekita G, Miyazaki S, Ichikawa R, Maruyama M, Suzuki H, Daida H, Persic V, Lovric D, Jurin H, Pehar Pejcinovic V, Baricevic Z, Pezo Nikolic B, Ivanac Vranesic I, Separovic Hanzevacki J, Ahn H, Cho G, Lee S, Kim H, Kim Y, Sohn D, Igual Munoz B, Estornell Erill J, Gonzalez AM, Bel Minguez A, Perez Guillen M, Donate Bertolin L, Monmeneu Menadas J, Lopez Lereu P, La Huerta AA, Argudo AM, Igual Munoz B, Gonzalez AM, Valero DD, La Huerta AA, Fernandez PA, Ferrer JM, Rueda Soriano J, Buendia Sanchez F, Estornell Erill J, Carrasco J, Carvalho MS, De Araujo Goncalves P, Sousa P, Dores H, Marques H, Pereira Machado F, Gaspar A, Aleixo A, Mota Carmo M, Roquette J, Vassiliadis IV, Despotopoulos E, Kaitozis O, Tekedis C, Al-Mallah M, Nour K, Tomaszewski A, Kutarski A, Brzozowski W, Tomaszewski M, Oleszczak K, Tong J, Bian Y, Yang F, Li P, Chen L, Shen X, Xu Y, Yan L, Kilickiran Avci B, Yurdakul S, Sahin S, Ermis E, Dilekci B, Aytekin S, Hristova K, Marinov R, Georgiev S, Kaneva A, Lasarov S, Mitev P, Katova T, Pilosoff V, Ikonomidis I, Tzortzis S, Triantafyllidi H, Paraskevaidis I, Trivilou P, Papadakis I, Papadopoulos C, Pavlidis G, Anastasiou-Nana M, Lekakis J. Poster session: Aortic stenosis. Eur Heart J Cardiovasc Imaging 2012. [DOI: 10.1093/ehjci/jes264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Miyazaki S, Yamamoto H, Miyoshi N, Takahashi H, Suzuki Y, Haraguchi N, Ishii H, Doki Y, Mori M. Emerging Methods for Preparing iPS Cells. Jpn J Clin Oncol 2012; 42:773-779. [DOI: 10.1093/jjco/hys108] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Matsumoto Y, Miyazaki S, Fukunaga DH, Shimizu K, Kawamoto S, Sekimizu K. Quantitative evaluation of cryptococcal pathogenesis and antifungal drugs using a silkworm infection model with Cryptococcus neoformans. J Appl Microbiol 2011; 112:138-46. [PMID: 22040451 DOI: 10.1111/j.1365-2672.2011.05186.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AIMS To develop an in vivo system that could quantitatively evaluate the therapeutic effects of antifungal drugs using a silkworm infection model with Cryptococcus neoformans. METHODS AND RESULTS Silkworms reared at 37°C died after an injection of viable serotype A C. neoformans fungus into the haemolymph. The serotype A C. neoformans, which is known to have higher mammal pathogenicity than the serotype D, was also more virulent against the silkworm. Furthermore, the deletion mutants of genes gpa1, pka1 and cna1, which are genes known to be necessary for the pathogenesis in mammals, showed an increase in the number of fungal cells necessary to kill half of the silkworm population (LD(50) value). Antifungal drugs, amphotericin B, flucytosine, fluconazole and ketoconazole, showed therapeutic effects in silkworms infected with C. neoformans. However, amphotericin B was not therapeutically effective when injected into the silkworm intestine, comparable to the fact that amphotericin B is not absorbed by the intestine in mammals. CONCLUSIONS The silkworm-C. neoformans infection model is useful for evaluating the therapeutic effects of antifungal drugs. SIGNIFICANCE AND IMPACT OF THE STUDY The silkworm infection model has various advantages for screening antifungal drug candidates. We can also elucidate the cryptococcal pathogenesis and evaluate the in vivo pharmacokinetics and toxicity of each drug.
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Andersson T, Magnusson A, Bryngelsson IL, Frobert O, Henriksson KM, Edvardsson N, Poci D, Polovina M, Potpara T, Licina M, Mujovic N, Kocijancic A, Simic D, Ostojic MC, Providencia RA, Botelho A, Trigo J, Nascimento J, Quintal N, Mota P, Leitao-Marques AM, Bosch RF, Kirch W, Rosin L, Willich SN, Pittrow D, Bonnemeier H, Valenza MC, Martin L, Munoz Casaubon T, Valenza G, Botella M, Serrano M, Valenza B, Cabrera I, Anderson K, Benzaquen BS, Koziolova N, Nikonova J, Shilova Y, Scherr D, Narayan S, Wright M, Krummen D, Jadidi A, Jais P, Haissaguerre M, Hocini M, Hunter R, Liu Y, Lu Y, Wang W, Schilling RJ, Bernstein S, Wong B, Rooke R, Vasquez C, Shah R, Rosenberg S, Chinitz L, Morley G, Bashir Choudhary M, Holmqvist F, Carlson J, Nilsson HJ, Platonov PG, Jadidi AS, Cochet H, Miyazaki S, Shah AJ, Scherr D, Marrouche N, Haissaguerre M, Jais P, Calvo N, Nadal M, Andreu D, Tamborero D, Diaz FE, Berruezo A, Brugada J, Mont L, Fichtner S, Hessling G, Estner HL, Jilek C, Reents T, Ammar S, Wu J, Deisenhofer I, Nakanishi H, Kashiwase K, Hirata A, Wada M, Ueda Y, Skoda J, Neuzil P, Popelova J, Petru J, Sediva L, Lavergne T, Le Heuzey JY, Mousseaux E, Hersi A, Alhabib K, Alfaleh H, Sulaiman K, Almahmeed W, Alsuwidi J, Amin H, Reddy VY, Almotarreb A, Pang HWK, Redfearn DP, Simpson CS, Michael K, Pereira EJ, Munt PW, Fitzpatrick MF, Baranchuk A, Revishvili AS, Uldry L, Simonyan G, Dzhordzhikiya T, Sopov O, Kalinin V, Locati ET, Vecchi AM, Cattafi G, Sachero A, Lunati M, Sayah S, Forclaz A, Alizadeh A, Nazari N, Hekmat M, Moradi M, Zeighami M, Ghanji H, Suzuki K, Takagi M, Maeda K, Tatsumi H, Virag N, Gomes C, Meireles A, Anjo D, Roque C, Vieira P, Lagarto V, Reis H, Torres S, Toth A, Vago H, Hocini M, Takacs P, Edes E, Marki A, Balazs GY, Huttl K, Merkely B, Lainis F, Buckley MM, Johns EJ, Seifer CM, Vesin JM, Daba L, Liebrecht K, Pietrucha AZ, Borowiec A, Mroczek-Czernecka D, Bzukala I, Wnuk M, Piwowarska W, Nessler J, Toquero Ramos J, Jais P, Perez Pereira E, Mitroi C, Castro Urda V, Fernandez Villanueva JM, Corona Figueroa A, Hernandez Reina L, Fernandez Lozano I, Bartoletti A, Bocconcelli P, Giuli S, Kappenberger L, Massa R, Svetlich C, Tarsi G, Tronconi F, Vitale E, Pietrucha AZ, Bzukala I, Wnuk M, Stryjewski P, Konduracka E, Haissaguerre M, Wegrzynowska M, Kruszelnicka O, Nessler J, Lousinha A, Labandeiro J, Antunes E, Silva S, Alves S, Timoteo A, Oliveira M, Sehra R, Cruz Ferreira R, Pietrucha AZ, Wnuk M, Jedrzejczyk-Spaho J, Bzukala I, Kruszelnicka O, Wegrzynowska M, Piwowarska W, Nessler J, Krummen D, Briggs C, Rappel WJ, Narayan S, Sediva L, Neuzil P, Petru J, Skoda J, Janotka M, Chovanec M, Yamashiro K, Takami K, Sakamoto Y, Satoh K, Suzuki T, Nakagawa H, Romanov A, Pokushalov E, Artemenko S, Shabanov V, Stenin I, Elesin D, Turov A, Yakubov A, Hioki M, Matsuo S, Ito K, Narui R, Yamashita S, Sugimoto K, Yoshimura M, Yamane T, Pokushalov E, Romanov A, Artemenko S, Shabanov V, Elesin D, Stenin I, Turov A, Yakubov A, Miyazaki S, Shah AJ, Hocini M, Jais P, Haissaguerre M, Di Biase L, Gallinghouse JD, Rajappan K, Kautzner J, Dello Russo A, Tondo C, Lorgat F, Natale A, Balta O, Buenz K, Paessler M, Anders H, Horlitz M, Deneke T, Lickfett L, Liberman I, Linhart M, Andrie R, Mittmann-Braun E, Stockigt F, Nickenig G, Schrickel J, Tilz R, Rillig A, Feige B, Metzner A, Fuernkranz A, Burchard A, Wissner E, Ouyang F, Betts TR, Jones MA, Wong KCK, Qureshi N, Bashir Y, Rajappan K, Romanov A, Pokushalov E, Corbucci G, Artemenko S, Shabanov V, Turov A, Losik D, Selina V, Crandall MA, Daniels C, Daoud E, Kalbfleisch S, Yamaji H, Murakami T, Kawamura H, Murakami M, Hina K, Kusachi S, Dakos G, Vassilikos V, Paraskevaidis S, Mantziari A, Theophylogiannakos S, Chouvarda I, Chatzizisis I, Styliadis I, Kimura T, Fukumoto K, Nishiyama N, Aizawa Y, Fukuda Y, Sato T, Miyoshi S, Takatsuki S, Navarrete Casas AJ, Ali I, Conte FC, Moran M, Graham BG, Kalejs O, Lacis R, Stradins P, Koris A, Putnins I, Vikmane M, Lejnieks A, Erglis A, Estrada A, Perez Silva A, Castrejon S, Doiny D, Merino JL, Baranchuk A, Greiss I, Simpson CS, Abdollah H, Redfearn DP, Buys-Topart M, Nitzsche R, Thibault B, Deisenhofer I, Reents T, Ammar S, Fichtner S, Kathan S, Kolb C, Hessling G, Reif S, Schade S, Taggeselle J, Frey A, Birkenhagen A, Kohler S, Schmidt M, Cano Perez O, Buendia F, Igual B, Osca JM, Sanchez JM, Sancho-Tello MJ, Olague JM, Salvador A, Calvo N, Tolosana JM, Fernandez-Armenta J, Matas M, Barbarin MC, Berruezo A, Brugada J, Mont L, Habibovic M, Van Den Broek KC, Theuns DAMJ, Jordaens L, Alings M, Van Der Voort PH, Pedersen SS, Pupita G, Molini S, Brambatti M, Capucci A, Molodykh S, Idov EM, Belyaev OV, Segreti L, Soldati E, Zucchelli G, Di Cori A, Viani S, Paperini L, De Lucia R, Bongiorni MG, Binner L, Taborsky M, Bello D, Heuer H, Ramza B, Jenniskens I, Johnson WB, Silvetti MS, Rava' L, Russo MS, Di Mambro C, Ammirati A, Gimigliano G, Prosperi M, Drago F, Santos AR, Picarra B, Semedo P, Dionisio P, Matos R, Leitao M, Jacinto A, Trinca M, Mazzone P, Ciconte G, Marzi A, Paglino G, Vergara P, Sora N, Gulletta S, Della Bella P, Koppitz P, Fach A, Hobbiesiefken S, Fiehn E, Hambrecht R, Sperzel J, Jung M, Schmitt J, Pajitnev D, Burger H, Burger H, Goebel G, Ehrlich W, Walther T, Ziegelhoeffer T, Vancura V, Wichterle D, Melenovsky V, Kautzner J, Glikson M, Goldenberg G, Segev A, Dvir D, Kuzniec J, Finkelstein A, Hay I, Guetta V, Choo WK, Gupta S, Kirkfeldt R, Johansen J, Nohr E, Moller M, Arnsbo P, Nielsen J, Santos AR, Picarra B, Semedo P, Dionisio P, Matos R, Leitao M, Banha M, Trinca M, Stojanov P, Raspopovic S, Vasic D, Savic D, Nikcevic G, Jovanovic V, Defaye P, Mondesert B, Mbaye A, Cassagneau R, Gagniere V, Jacon J, Sanfins V, Reis HR, Nobre JN, Martins VM, Duarte LD, Morais CM, Conceicao JC, Hero M, Rey JL, Thibault B, Ducharme A, Simpson C, Stuglin C, Blier L, Senaratne M, Khaykin Y, Pinter A, Mlynarska A, Mlynarski R, Sosnowski M, Wilczek J, Iorgulescu C, Bogdan S, Constantinescu D, Caldararu C, Dorobantu M, Radu A, Vatasescu RG, Yusu S, Ikeda T, Mera H, Miwa Y, Abe A, Miyakoshi M, Tsukada T, Yoshino H, Nayar V, Cantelon P, Rawling A, Belham MRD, Pugh PJ, Osca Asensi J, Sanchez JM, Cano O, Tejada D, Munoz B, Rodriguez M, Sancho-Tello MJ, Olague J, Wecke L, Van Hunnik A, Thompson T, Di Carlo L, Zdeblick M, Auricchio A, Prinzen F, Doltra Magarolas A, Bijnens B, Silva E, Penela D, Mont L, Tolosana JM, Brugada J, Sitges M, Ofman P, Navaravong L, Leng J, Peralta A, Hoffmeister P, Levine R, Cook J, Stoenescu M, Tettamanti ME, Revilla Orodea A, Lopez Diaz J, De La Fuente Galan L, Arnold R, Garcia Moran E, San Roman Calvar JA, Gomez Salvador I, Nakamura K, Takami M, Keida T, Mesato A, Higa S, Shimabukuro M, Masuzaki H, Proietti R, Sagone A, Domenichini G, Burri H, Valzania C, Biffi M, Sunthorn H, Gavaruzzi G, Foulkes H, Boriani G, Koh S, Hou W, Rosenberg S, Snell J, Poore J, Dalal N, Bornzin G, Kloppe A, Mijic D, Bogossian H, Ninios I, Zarse M, Lemke B, Guedon-Moreau L, Kouakam C, Klug D, Marquie C, Ziglio F, Kacet S, Mohamed Fereig Hamed H, Hamdy AMAL, Abd El Aziz AHMED, Nabih MRVAT, Hamdy REHAB, Yaminisaharif A, Davoudi GH, Kasemisaeid A, Sadeghian S, Vasheghani Farahani A, Yazdanifard P, Shafiee A, Alonso C, Grimard C, Jauvert G, Lazarus A, Fernandez-Armenta J, Berruezo A, Mont LL, Sitges M, Andreu D, Ortiz-Perez J, Caralt T, Brugada J, Escudero J, Perez F, Griffith KM, Ferreyra R, Urena P, Demas M, Muratore C, Mazzetti H, Guardado J, Sanfins V, Fernandes M, Pereira VH, Canario-Almeida F, Ferreira F, Rodrigues B, Almeida J, Sokal A, Jedrzejczyk E, Lenarczyk R, Pluta S, Kowalski O, Pruszkowska P, Swiatkowski A, Kalarus Z, Heinke M, Ismer B, Kuehnert H, Heinke T, Surber R, Osypka N, Prochnau D, Figulla HR, Iacopino S, Landolina M, Proclemer A, Padeletti L, Calvi V, Pierantozzi A, Di Stefano P, Boriani G, Bauer A, Bode F, Le Gal F, Deharo JC, Delay M, Nitzsche R, Clementy J, Kawamura M, Munetsugu Y, Tanno K, Kobayashi Y, Cannom D, Hosoda J, Ishikawa T, Andoh K, Nobuyoshi M, Fujii S, Shizuta S, Kimura T, Isshiki T, Castel MA, Tolosana JM, Perez-Villa F, Mont L, Sitges M, Vidal B, Brugada J, Pluta S, Lenarczyk R, Kowalski O, Pruszkowska-Skrzep P, Sokal A, Szulik M, Kukulski T, Kalarus Z, Gianfranchi L, Bettiol K, Pacchioni F, Alboni P, Abu Sham'a R, Buber J, Nof E, Kuperstein R, Feinberg M, Luria D, Eldar M, Glikson M, Parks K, Stone JR, Singh JP, Hatzinikolaou-Kotsakou E, Kotsakou M, Beleveslis TH, Moschos G, Reppas E, Latsios P, Tsakiridis K, Kazemisaeid A, Davoodi G, Yamini Sharif A, Sadeghian S, Sheikhvatan M, Toniolo M, Zanotto G, Rossi A, Tomasi L, Vassanelli C, Versteeg H, Van Den Broek KC, Theuns DAMJ, Mommersteeg PMC, Alings M, Van Der Voort PH, Jordaens L, Pedersen SS, Vergara G, Blauer J, Ranjan R, Vijayakumar S, Kholmovski E, Volland N, Macleod R, Marrouche N, Aguinaga Arrascue LE, Bravo A, Garcia Freire P, Gallardo P, Hasbani E, Dantur J, Quintana R, Adragao PP, Cavaco D, Parreira L, Reis Santos K, Carmo P, Miranda R, Marcelino S, Cabrita D, Sommer P, Gaspar T, Rolf S, Arya A, Piorkowski C, Hindricks G, Valles Gras E, Bazan V, Portillo L, Suarez F, Bruguera J, Marti J, Huo Y, Arya A, Richter S, Schoenbauer R, Sommer P, Hindricks G, Piorkowski C, Rivas N, Casaldaliga J, Roca I, Dos L, Perez-Rodon J, Pijuan A, Garcia-Dorado D, Moya A, Carter HB, Garg A, Hegrenes J, Sih HJ, Teplitsky LR, Kuroki K, Tada H, Seo Y, Ishizu T, Igawa M, Sekiguchi Y, Kuga K, Aonuma K, Rodriguez A C, Mejias J, Hidalgo P, Hidalgo L JA, Orczykowski M, Derejko P, Walczak F, Szufladowicz E, Urbanek P, Bodalski R, Bieganowska K, Szumowski L, Peichl P, Wichterle D, Cihak R, Skalsky I, Kautzner J, Kubus P, Vit P, Zaoral L, Peichl P, Gebauer RA, Fiala M, Janousek J, Hiroshima K, Goya M, Ohe M, Hayashi K, Makihara Y, Nagashima M, An Y, Nobuyoshi M, Schloesser M, Lawrenz T, Meyer Zu Vilsendorf D, Strunk-Mueller C, Stellbrink C, Papagiannis J, Avramidis D, Kokkinakis C, Kirvassilis G, Eidelman G, Arenal A, Datino T, Atienza F, Gonzalez Torrecilla E, Miracle A, Hernandez J, Fernandez Aviles F, Ene E, Caldararu C, Iorgulescu C, Dorobantu M, Vatasescu RG, Insulander P, Bastani H, Braunschweig F, Drca N, Kenneback G, Schwieler J, Tapanainen J, Jensen-Urstad M, Andrea B, Andrea EMA, Maciel WM, Siqueira LS, Cosenza RC, Mittidieri FM, Farah SF, Atie JA, Kanoupakis E, Kallergis E, Mavrakis H, Goudis C, Saloustros I, Malliaraki N, Chlouverakis G, Vardas P, Bonnes JL, Jaspers Focks J, Westra SW, Brouwer MA, Smeets JLRM, Inama G, Pedrinazzi C, Landolina M, Oliva F, Senni M, Proclemer A, Zoni Berisso M, Mostov S, Haim M, Nevzorov R, Hasadi D, Starsberg B, Porter A, Kuschyk J, Schoene A, Streitner F, Veltmann CG, Schimpf R, Borggrefe M, Luesebrink U, Gardiwal A, Oswald H, Koenig T, Duncker D, Klein G, Bastiaenen R, Batchvarov V, Atty O, Cheng JH, Behr ER, Gallagher MM, Starrenburg AH, Kraaier K, Pedersen SS, Scholten MF, Van Der Palen J, Adhya S, Smith LA, Zhao T, Bannister C, Kamdar RH, Martinelli M, Siqueira S, Greco R, Nishioka SAD, Pedrosa AAA, Alkmim-Teixeira R, Peixoto GL, Costa R, Pedersen SS, Versteeg H, Nielsen JC, Mortensen PT, Johansen JB, Kwasniewski W, Filipecki A, Urbanczyk-Swic D, Orszulak W, Trusz - Gluza M, Jimenez-Candil J, Hernandez J, Morinigo J, Ledesma C, Martin-Luengo C, Vogtmann T, Gomer M, Stiller S, Kuehlkamp V, Zach G, Loescher S, Kespohl S, Baumann G, Snell JD, Korsun N, Rooke R, Snell JR, Morley B, Bharmi R, Nabutovsky Y, Mollerus M, Naslund L, Meyer A, Lipinski M, Libey B, Dornfeld K, Jimenez-Candil J, Hernandez J, Martin A, Gallego M, Morinigo J, Ledesma C, Martin-Luengo C, De Bie MK, Van Rees JB, Borleffs CJ, Thijssen J, Jukema JW, Schalij MJ, Van Erven L, Van Der Velde ET, Witteman TA, Foeken H, Van Erven L, Schalij MJ, Szili-Torok T, Akca F, Caliskan K, Ten Cate F, Jordaens L, Michels M, Cozma DC, Petrescu L, Mornos C, Dragulescu SI, Groeneweg JA, Velthuis BK, Cox MGPJ, Loh P, Dooijes D, Cramer MJ, De Bakker JMT, Hauer RNW, Park SD, Shin SH, Woo SI, Kwan J, Park KS, Kim DH, Kwan J, Iorio A, Vitali Serdoz L, Brun F, Daleffe E, Zecchin M, Dal Ferro M, Santangelo S, Sinagra GF, Ouali S, Hammemi R, Hammas S, Kacem S, Gribaa R, Neffeti E, Remedi F, Boughzela E, Korantzopoulos P, Letsas K, Christogiannis Z, Kalantzi K, Ntorkos A, Goudevenos J, Foley PWX, Yung L, Barnes E, Munetsugu Y, Tanno K, Kikuchi M, Ito H, Miyoshi F, Kawamura M, Kobayashi Y, Pecini R, Marott JM, Jensen GB, Theilade J, Mine T, Kodani T, Masuyama T, Mozos IM, Serban C, Costea C, Susan L, Barthel P, Mueller A, Malik M, Schmidt G, Schmidt G, Barthel P, Mueller A, Malik M, Karakurt O, Kilic H, Munevver Sari DR, Mroczek-Czernecka D, Pietrucha AZ, Borowiec A, Wnuk M, Bzukala I, Kruszelnicka O, Konduracka E, Nessler J, Kikuchi Y, Meireles A, Gomes C, Anjo D, Roque C, Pinheiro Vieira A, Lagarto V, Hipolito Reis A, Torres S, Nof E, Miller L, Kuperstein R, Eldar M, Glikson M, Luria D, Vedrenne G, Bruguiere E, Redheuil A. Poster Session 2. Europace 2011. [DOI: 10.1093/europace/eur222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Patrier L, Dupuis AM, Granger Vallee A, Chenine L, Leray-Moragues H, Chalabi L, Morena M, Canaud B, Cristol JP, Akizawa T, Fukuhara S, Fukagawa M, Onishi Y, Yamaguchi T, Hasegawa T, Kido R, Kurokawa K, Vega O, Usvyat L, Rosales L, Thijssen S, Levin N, Kotanko P, An WS, Son YK, Kim SE, Kim KH, Han JY, Bae HR, Park Y, Passlick-Deetjen J, Kroczak M, Buschges-Seraphin B, Covic AC, Ponce P, Marzell B, Schulze F, de Francisco ALM, Esteve V, Junque A, Duarte V, Fulquet M, Saurina A, Pou M, Salas K, Macias J, Sanchez Ramos A, Lavado M, Ramirez de Arellano M, Del Valle E, Negri AL, Ryba J, Peri P, Puddu M, Bravo M, Rosa Diez G, Crucelegui S, Sintado L, Bevione PE, Canalis M, Fradinger E, Marini A, Marelli C, Schiller A, Covic A, Schiller O, Roman V, Andrei C, Berca S, Ivacson Z, Anton C, Raletchi C, Sezer S, Tutal E, Bal Z, Erkmen Uyar M, Ozdemir Acar FN, Lessard M, Ouimet D, Leblanc M, Nadeau-Fredette AC, Bell R, Lafrance JP, Pichette V, Vallee M, Solak Y, Atalay H, Torun B, Tonbul Z, Lacueva J, Santamaria C, Bordils A, Vicent C, Fernandez M, Casado M, Karakan S, Sezer S, Tutal E, Ozdemir Acar N, Ishimura E, Okuno S, Tsuboniwa N, Ichii M, Yamakawa T, Shoji S, Inaba M, Lomonte C, Derosa C, Libutti P, Teutonico A, Chimienti D, Antonelli M, Bruno A, Cocola S, Basile C, Petrucci I, Giovannini L, Samoni S, Colombini E, Cupisti A, Meola M, Stancu S, Zugravu A, Stanescu B, Barbulescu C, Anghel C, Cinca S, Petrescu L, Mircescu G, Hung PH, Chiang PC, Jong IC, Hsiao CY, Hung KY, Tentori F, Karaboyas A, Sen A, Hecking M, Bommer J, Depner T, Akiba T, Port FK, Robinson BM, Basile C, Libutti P, Di Turo AL, Vernaglione L, Casucci F, Losurdo N, Teutonico A, Lomonte C, Sanadgol H, Baiani M, Mohanna M, Basile C, Libutti P, Di Turo AL, Casucci F, Losurdo N, Teutonico A, Vernaglione L, Lomonte C, Negri AL, Del Valle EE, Zanchetta MB, Nobaru M, Silveira F, Puddu M, Barone R, Bogado CE, Zanchetta JR, Mlot-Michalska M, Grzegorzewska AE, Fedak D, Kuzniewski M, Janda K, Krzanowski M, Pawlica D, Kusnierz-Cabala B, Solnica B, Sulowicz W, Novotna H, vara F, Polakovic V, Sedlackova E, Marzell B, Kaufmann P, Merello JI, Mora J, Crespo A, Arens HJ, Passlick-Deetjen J, Takahashi T, Ogawa H, Kitajima Y, Sato Y, Cayabyab S, Mallari J, Kikuchi H, Nakayama H, Saito N, Shimada H, Miyazaki S, Sakai S, Suzuki M, Gonzalez E, Torregrosa V, Cannata J, Gonzalez MT, Arenas MD, Montenegro J, Rios F, Mora J, Moreno R, Muniz ML, Copley JB, Smyth M, Poole L, Wilson R. Bone disease in CKD 5D. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.40] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Iseki K, Hirano T, Fukushi Y, Kitamura Y, Miyazaki S, Takada M, Sugawara M, Saitoh H, Miyazaki K. The pH Dependent Uptake of Enoxacin by Rat Intestinal Brush-border Membrane Vesicles. J Pharm Pharmacol 2011; 44:722-6. [PMID: 1360522 DOI: 10.1111/j.2042-7158.1992.tb05507.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Abstract
The mechanism of the intestinal transport of enoxacin, an orally active fluoroquinolone antibiotic, has been investigated using brush-border membrane vesicles isolated from rat small intestine. The initial rate and time-course of enoxacin uptake were considerably dependent upon the medium pH (pH 5·5 > pH 7·5) and upon the percent ionization of the carboxyl group (pKa 6·2, anionic charge), namely, the degree of uptake of cationic form was higher than that of the zwitterionic form. There was evidence of transport into the intravesicular space as shown by the effect of extravesicular medium osmolarity on enoxacin uptake at steady state (30 min). This transport across the brush-border membrane was stimulated by the valinomycin-induced K+-diffusion potential (interior negative) and an outward H+-diffusion potential. Furthermore, changing the pH of the medium from 5·5 to 7·5 significantly decreased the effect of valinomycin-induced K+-diffusion potential on the enoxacin uptake. These results suggest that the uptake behaviour of the cationic form of enoxacin plays an important role in the intestinal absorption process of enoxacin.
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Takakura M, Yasaka T, Miyazaki S, Hirose M. Chemical Structure of Native Oxide Grown on Hydrogenterminated Silicon Surfaces. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-259-113] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
ABSTRACTChemical bonding features and suboxide compositions in native oxide grown on chemically-cleaned hydrogen-terminated Si(100) surfaces stored in pure water have been studied by using surface sensitive infrared spectroscopy and x-ray photoelectron spectroscopy. The LO phonon peak for the native oxide is located at 1210cm−1, which is shifted to a significantly lower wavenumber side than the ultrathin thermal oxide peak at 1250cm−1. This is because an appreciable amount of SiHx bonds are incorporated in the native oxide/Si interface and such hydrogen termination in the network dramatically reduces strained bonds in the interface. Very weak Si2+ suboxide signal from the oxide grown in pure water is also explained by the incorporated SiHx bonds which interrupt the Si2+ suboxide formation in the interface.
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Yasaka T, Uenaga S, Yasutake H, Takakura M, Miyazaki S, Hirose M. Cleaning and Oxidation of Heavily Doped Si Surfaces. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-259-385] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
ABSTRACTHF-treated Si surfaces and the oxidation kinetics in pure water or in clean room air have systematically been studied by x-ray photoelectron spectroscopy (XPS). The oxidation of heavily-doped n-type Si appears to proceed parallel to the surface, resulting in the layer-by-layer oxidation. The oxide growth rate in pure water for heavily-doped n-type Si is significantly higher than that of heavily-doped ptype Si. This is explained by the electron tunneling from the Si conduction band to adsorbed O2 molecules to form the O2 state. O2 ions easily decompose and induce a surface electric field, enhancing the oxidation rate. The growth rate of native oxide on heavily-doped n-type Si is less sensitive to the crystallographic orientations than the case of lightly doped Si where the steric hindrance against oxygen molecules significantly lowers the oxidation rate of the (110) and (111) surfaces. We suggest that the decomposed oxygen can penetrate into Si without steric hindrance. It is also found that the oxidation of heavily-doped n-type Si in pure water is effectively suppressed by adding a small amount (10 ∼ 3600 ppm) of HCI.
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Hirose M, Yasaka T, Hiroshima M, Takakura M, Miyazaki S. Structural and Electrical Characterization of U Ltra-Thin SiO2 Grown on Hydrogen-Terminated Silicon Surfaces. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-315-367] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Abstract
ABSTRACTGrowth kinetics of native oxide on HF-treated Si surfaces terminated with Si-H bonds has been studied by angle-resolved x-ray photoelectron spectroscopy. The oxide growth rate in pure water for an n+ Si(100) surface is significantly high compared to that of p+, and the n or p type Si oxidation rate is in between. This is explained by the formation of ions through electron transfer from Si to adsorbed O2 molecules and the resulting enhancement of the oxidation rate. The oxide growth on Si(100) is faster than (110) and (111) as interpreted in terms of the steric hindrance for molecular oxygen adsorption on the hydrogen terminated silicon 1×1 surface structures.
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Ishida A, Takei A, Sato M, Miyazaki S. Shape Memory Behavior of Ti-Ni Thin Films Annealed at Various Temperatures. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-360-381] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractTi-Ni thin films with three different types of compositions, titanium-rich Ti-Ni, near equiatomic TiNi and nickel-rich Ti-Ni were prepared by sputtering. The sputter-deposited films were annealed at various temperatures between 773 and 973K in order to crystallize. After the heat treatment, the shape memory behavior was examined with a thermomechanical tester. The shape memory behavior of the near equiatomic composition films was not affected by the heat treatment. On the other hand, the shape memory behavior of the other composition films strongly depended on the annealing temperature. As the annealing temperature increases, the martensitic and reverse martensitic transformation temperatures of the nickel-rich films decreased and those of the titanium-rich films increased. These opposite behaviors of the transformation temperatures can be explained by the opposite dependence of the precipitation of the second phase on the annealing temperature. All the nickel-rich films exhibited good shape memory effect over a wide range of stress, while all the titanium-rich films exhibited a small plastic strain only in the stress range where the shape changes associated with both the R-phase and the martensitic transformations were observed.
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74
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Nakagawa K, Fukuda M, Miyazaki S, Hirose M. Self-Assembling Formation of Silicon Quantum Dots by Low Pressure Chemical Vapor Deposition. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-452-243] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractThe growth of Si dots on thermally-grown SiO2/c-Si from a thermal decomposition of pure silane has been systematically studied in the temperature range from 500 to 650°C. It has been suggested mat the Si dot height and dot diameter on as-grown SiO2 are rate-limited by the cohesive action of adsorbed precursors and the thermal decomposition of silane on Si nucleation sites, respectively. The nucleation site on as-grown SiO2 is likely to be generated by the thermal dissociation of surface Si-O bonds. It has been also found that in Si dot formation on OH-terminated SiO2 surface the nucleation density is dramatically enhanced and consequently the dot size and its distribution become small. This implies that surface OH bonds can provide the nucleation sites.
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75
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Miyazaki S, Yasaka T, Okamoto K, Shiba K, Sakamoto K, Hirose M. Structural Characterization of Porous Silicon Fabricated by Electrochemical and Chemical Dissolution of Si Wafers. ACTA ACUST UNITED AC 2011. [DOI: 10.1557/proc-256-185] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
ABSTRACTThe structure of porous silicon exhibiting efficient visible photoluminescence has been characterized by using Fourier transformed infrared absorption, Raman scattering and x-ray diffraction. It is shown that the lattice spacing in the porous Si layer expands by about 0.3% in the direction perpendicular to the surface and also a partially disordered structure is existing. Electron beam irradiation causes desorption of hydrogen and fluorine bonds which terminate the surface, resulting in the quenching of the visible luminescence. The chemical etching of such layer has led to complete recovery of the luminescence intensity as well as the hydrogen and fluorine bonds termination.
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76
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Ishida M, Imanari Y, Isobe T, Kuze S, Ezuhara T, Umeda T, Ohno K, Miyazaki S. First-principles study of blue silicate phosphors. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2010; 22:384202. [PMID: 21386536 DOI: 10.1088/0953-8984/22/38/384202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
First-principles calculations were performed to investigate the optical property of blue silicate phosphor, CMS:Eu. The optical absorption property is discussed based on electronic band structure and density of states. Our calculation results indicate that hybridization of the wavefunction plays an important role for nonradiative migration of electrons and holes. The calculated optical absorption spectrum could reproduce the optical features of the experimental excitation spectrum. It is also demonstrated that a practical approach using computational materials screening is effective in phosphor materials development.
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Miyazaki S, Kuwahara T, Kobori A, Takahashi Y, Takei A, Sato A, Isobe M, Takahashi A. Long-term clinical outcome of extensive pulmonary vein isolation-based catheter ablation therapy in patients with paroxysmal and persistent atrial fibrillation. Heart 2010; 97:668-73. [DOI: 10.1136/hrt.2009.186874] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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78
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Hagihara A, Miyazaki S, Tarumi K. Internet use and suicide among younger age groups between 1989 and 2008 in Japan. Acta Psychiatr Scand 2010; 121:485; author reply 485-6. [PMID: 20199488 DOI: 10.1111/j.1600-0447.2010.01547.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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79
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Inaba T, Miyazaki S. Service performance improvement by using RFID-enabled goods traceability data: a case study. INTERNATIONAL JOURNAL OF SERVICES TECHNOLOGY AND MANAGEMENT 2010. [DOI: 10.1504/ijstm.2010.035781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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80
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Azuma R, Murakami S, Ogawa A, Okada Y, Miyazaki S, Makino T. Arcanobacterium abortisuis sp. nov., isolated from a placenta of a sow following an abortion. Int J Syst Evol Microbiol 2009. [DOI: 10.1099/ijs.0.66890-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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81
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Miyazaki S, Kuwahara T, Kobori A, Takahashi Y, Takei A, Sato A, Isobe M, Takahashi A. Pharmacological cardioversion preceding left atrial ablation: bepridil predicts the clinical outcome following ablation in patients with persistent atrial fibrillation. Europace 2009; 11:1620-3. [DOI: 10.1093/europace/eup363] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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82
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Ishida A, Sato M, Kimura T, Miyazaki S. Stress-strain curves of sputter-deposited Ti-Ni thin films. ACTA ACUST UNITED AC 2009. [DOI: 10.1080/01418610008212093] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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83
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Pelton AR, Dicello J, Miyazaki S. Optimisation of processing and properties of medical grade Nitinol wire. MINIM INVASIV THER 2009. [DOI: 10.3109/13645700009063057] [Citation(s) in RCA: 178] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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84
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Ichikawa H, Miyazaki S, Kato T, Morita Y, Satomi S. [Simulation of thoracoscopic esophagectomy for esophageal cancer by three-dimensional computed tomography and usefulness for preservation of bronchial arteries]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2009; 62:754-763. [PMID: 20715705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Thoracoscopic esophagectomy for esophageal cancer was simulated preoperatively by 3-dimensional computed tomography (3D-CT). The anatomical structures such as major vessels, bone, trachea and bronchi, esophagus, lymph nodes, and broncial arteries were extracted from multi-detector row CT scanning and integrated to build the virtual operative field by multi-volume fusion. The virtual thoracoscopy was helpful to understand the location of lymph nodes and bronchial arteries in relation to the adjacent anatomical structures. Preservation of bronchial arteries is important to avoid tracheobronchial ischemia which is a fatal complication in salvage esophagectomy after definitive chemoradiotherapy. 3D-CT revealed anatomical variations of bronchial arteries and was useful for identification and preservation of bronchial arteries in thoracoscopic esophagectomy.
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85
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Azuma R, Murakami S, Ogawa A, Okada Y, Miyazaki S, Makino T. Arcanobacterium abortisuis sp. nov., isolated from a placenta of a sow following an abortion. Int J Syst Evol Microbiol 2009; 59:1469-73. [DOI: 10.1099/ijs.0.004465-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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86
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Mizukami T, Miyazaki S, Yamamoto S. Beitrag zum Problem der nervösen Einflüsse auf das Krebswachstum. Oncology 2009. [DOI: 10.1159/000224153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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87
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Platonov PG, Nault I, Stridh M, Haissaguerre M, Sztajzel J, Jackson Y, Getaz L, Tardin A, Gaspoz J, Chappuis F, Arsenos P, Gatzoulis K, Dilaveris P, Gialernios T, Manis G, Papaioannou T, Sideris S, Stefanadis C, Stoica E, Coriu D, Chioncel O, Macarie C, Szydlo K, Wita K, Trusz-Gluza M, Tabor Z, Filipecki A, Apiyasawat S, Ngarmukos T, Chandanamattha P, Likittanasombat K, Caselli L, Galanti G, Nieri M, Vignini S, Michelucci A, Castilla San Jose ML, Almendral Garrote J, Atienza Fernandez F, Rojo Alvarez JL, Everss, Gonzalez-Torrecilla E, Arenal Maiz A, Fernandez-Aviles F, Senga M, Fujii E, Sugiura S, Yamazato S, Nakamura M, Ito M, Zorio Grima E, Cano Perez O, Navarro Manchon J, Osca Asensi J, Arnau Vives MA, Gonzalez Llopis F, Olague De Ros J, Salvador Sanz A, Nagahori W, Suzuki M, Ohno M, Matsumura A, Hashimoto Y, Forclaz A, Narayan S, Jadidi A, Nault I, Miyazaki S, Wright M, Hocini M, Haissaguerre M, Arsenos P, Gatzoulis K, Dilaveris P, Gialernios T, Archontakis S, Tatsis I, Tsiliki G, Stefanadis C, Brembilla-Perrot B, Luporsi JD, Sadoul N, Kaminsky P, Letsas K, Weber R, Astheimer K, Kalusche D, Arentz T, Brembilla-Perrot B, Luporsi JD, Sadoul N, Kaminsky P, Hatzinikolaou-Kotsakou E, Kotsakou M, Moschos G, Reppas E, Beleveslis TH, Tsakiridis K, Platonov PG, Christensen AH, Carlson J, Holmqvist F, Haunso S, Svendsen JH, Scopinaro A, Rollando D, Modonesi E, Bezante GP, Brunelli C, Barsotti A, Bertero G, Garcia Quintana A, Arbelo Lainez E, Serrano Arriezu L, Serrano Aguilar P, Caballero Dorta E, Led S, Garcia Perez L, Medina Fernandez-Aceytuno A, Saravanan P, Gatley M, O'neill S, Davidson N, Sanchez-Munoz JJ, Garcia-Alberola A, Martinez-Sanchez J, Penafiel-Verdu P, Giner-Caro JA, Pastor-Perez FJ, Valdes-Chavarri M, Donoiu I, Giuca A, Militaru C, Moise B, Ionescu DD, Al-Shawabkeh NN, Van Der Zwaag P, Jongbloed JDH, Van Den Berg MP, Hofstra RMW, Van Tintelen JP, Pap R, Bencsik G, Klausz G, Makai A, Forster T, Saghy L, Haman L, Parizek P, Dostalova H, Fragakis N, Antoniadis A, Bikias A, Delithanasis I, Tsaritsaniotis E, Katsaris G, Londono Sanchez O, Terrades S, Paredes L, Santeladze V, Ezekowitz M, Connolly S, Parekh A, Reilly P, Oldgren J, Themeles E, Wallentin L, Yusuf S. Poster Session 4: ECG. Europace 2009. [DOI: 10.1093/europace/euq237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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88
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Marti Almor J, Bazan V, Matiello M, Cian D, Oliva X, Altaba C, Guijo MA, Bruguera J, Fiala M, Sknouril M, Dorda M, Chovancik J, Nevralova R, Jiravsky O, Jiravska-Godula B, Branny M, Elvan A, Beukema WP, Smit JJJ, Delnoy PPHM, Ramdat Misier AR, Tuan J, Chung I, Jeilan M, Kundu S, Osman F, Stafford P, Ng GA, Vergara P, Mazzone P, Paglino G, Saviano M, Crisa S, Maida G, Vicedomini G, Pappone C, Miyazaki S, Wright M, Hocini M, Jais P, Haissaguerre M, Yoshitani K, Kaitani K, Hanazawa K, Nakagawa Y, Yokokawa M, Tada H, Naito S, Oshima S, Taniguchi K, Romanov A, Pokushalov E, Shugaev P, Artemenko S, Turov A, Gindele FM, Wiedemann M, Ewertsen C, Heiderfazel S, Andresen D, Kaitani K, Hanazawa K, Yoshitani K, Miyake M, Motooka M, Izumi T, Izumi C, Nakagawa Y, Sunthorn H, Burri HB, Gentil PG, Shah DS, Sugiura S, Fujii E, Senga M, Yamazato S, Nakamura M, Ito M, Den Uijl DW, Delgado V, Tops LF, Trines SAIP, Zeppenfeld K, Van Der Wall EE, Schalij MJ, Bax JJ, Pappalardo A, Forleo GB, Avella A, Bencardino G, De Girolamo PG, Dello Russo A, Laurenzi F, Tondo C, Mueller H, Burri H, Gentil-Baron P, Lerch R, Shah D, Pokushalov E, Romanov A, Turov A, Shugaev P, Artemenko S, Shirokova N, Pedrote Martinez AA, Arana E, Garcia-Riesco L, Urbano-Moral JA, Frutos-Lopez M, Sanchez-Brotons JA, Torres-Llergo J, Martinez-Martinez A, Matsuda H, Harada T, Nakano E, Takai M, Fujita S, Sasaki T, Mizuno K, Miyake F, Doshi A, Hummel J, Daoud E, Augostini R, Weiss R, Hart D, Houmsse M, Kalbfleisch S, Fiala M, Chovancik J, Gorzolka J, Bulkova V, Wojnarova D, Neuwirth R, Januska J, Branny M, Cerrato E, Amellone C, Tizzani E, Antolini M, Massa R, Golzio PG, Comoglio C, Rinaldi M, El-Domiaty HA, Kamal HM, Moubarak AM, Mansy MM, El-Kerdawy H, Ahmed S, Klinkenberg TJ, Ten Hagen A, Wiesfeld ACP, Tan ES, Van Gelder IC. Poster Session 1: Ablation of atrial fibrillation. Europace 2009. [DOI: 10.1093/europace/euq213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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89
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Forclaz A, Narayan S, Jadidi A, Nault I, Miyazaki S, Wright M, Hocini M, Haissaguerre M, Grigoryan S, Adamyan KG, Hazarapetyan LG, Kallergis EM, Kanoupakis EM, Mavrakis HE, Goudis CA, Maliaraki NI, Milathianaki M, Manios EG, Vardas PE, Kawamura M, Asano T, Tanno K, Kobayashi Y, Kanoupakis EM, Kallergis EM, Mavrakis HE, Goudis CA, Maliaraki NE, Milathianaki M, Manios EG, Vardas PE, Aldhoon B, Melenovsky V, Kucera T, Martinek J, Kautzner J. Abstracts: Pathophysiology and structural remodelling of atrial fibrillation. Europace 2009. [DOI: 10.1093/europace/euq202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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90
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Zenimoto K, Kitagawa T, Miyazaki S, Sasai Y, Sasaki H, Kimura S. The effects of seasonal and interannual variability of oceanic structure in the western Pacific North Equatorial Current on larval transport of the Japanese eel Anguilla japonica. JOURNAL OF FISH BIOLOGY 2009; 74:1878-1890. [PMID: 20735678 DOI: 10.1111/j.1095-8649.2009.02295.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
As the North Equatorial Current (NEC)-bifurcation is known to be related to El Niño-Southern Oscillation (ENSO) events, the influence of the position of the NEC bifurcation on transport success of the larval Japanese eel Anguilla japonica was investigated. Using a Lagrangian modelling approach, larval transport was simulated and the relative influence of El Niño and La Niña events and the NEC-bifurcation position on the success of particle transport analysed. The number of particles transported from the NEC to the Kuroshio tended to be lowest during El Niño years, and differences between La Niña and regular years were small. The transport success observed in simulations showed some relationships to annual A. japonica glass eel recruitment to Tanegashima Island over 1993 to 2001, but not in 2002. The study shows that particle tracking simulations can be used to improve knowledge of the oceanic migration of A. japonica but further studies are required, including comparisons with the effects on larval survival of fluctuations in temperature and food availability.
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91
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Kusakabe Y, Miyazaki S, Tachibana A, Matsuura R, Matsuura N, Murase K. Development of a method to quantitatively monitor the effect of inhibition of nitric oxide synthase on tumour vascular activity using dynamic contrast-enhanced computed tomography. J Med Eng Technol 2009; 33:460-9. [DOI: 10.1080/03091900902952642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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92
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Nemoto I, Miyazaki S, Saito M, Utsunomiya T. Behavior of solutions of the Hodgkin-Huxley equations and its relation to properties of mechanoreceptors. Biophys J 2009; 15:469-79. [PMID: 19211018 DOI: 10.1016/s0006-3495(75)85831-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
The membrane current in the Hodgkin-Huxley equations is considered to be a stimulus to the membrane and the responses to the simulus are numerically calculated. Responses of the Hodgkin-Huxley model to an alternating current superimposed upon a constant bias current show qualitative analogy to responses of biological mechanoreceptors. The intensity of the bias current seems to correspond to the degree of adaptation of actual receptors.
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93
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Niizuma S, Iwanaga Y, Yahata T, Goto Y, Kita T, Miyazaki S, Nakahama H. Plasma B-type natriuretic peptide levels reflect the presence and severity of stable coronary artery disease in chronic haemodialysis patients. Nephrol Dial Transplant 2008; 24:597-603. [DOI: 10.1093/ndt/gfn491] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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94
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Miyazaki S, Ishikawa F, Matsuo S, Yamaguchi K. Effect of fluoroquinolones on body temperature of mice. J Antimicrob Chemother 2008; 62:1319-22. [DOI: 10.1093/jac/dkn418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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95
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Takahashi T, Hiasa Y, Ohara Y, Miyazaki S, Mahara K, Ogura R, Miyajima H, Yuba K, Suzuki N, Hosokawa S, Kishi K, Ohtani R. Acute hyperglycaemia prevents the protective effect of pre-infarction angina on microvascular function after primary angioplasty for acute myocardial infarction. Heart 2008; 94:1402-6. [DOI: 10.1136/hrt.2008.142158] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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96
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Kamei T, Miyazaki S. [Perioperative management and prevention of complication for salvage esophagectomy after definitive chemoradiotherapy]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2008; 61:731-737. [PMID: 20715419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Salvage esophagectomy has been increasing as a second-line treatment after failure of definitive chemoradiotherapy (CRT) for esophageal cancer. A number of patients who have received CRT, especially those who have residual tumors and shorter waiting times until operation, have developed malnutrition and problems in their immunologic condition because of decreasing oral intake and bone marrow suppression. Because high-dose radiation causes inflammation, fibrosis and peripheral circulatory disturbance of various tissues in the treatment fields, salvage surgery can be a technically difficult operation. In our previous experience, postoperative complications of salvage esophagectomy are more frequent and more serious than that of planned esophagectomy. For example, we have experienced necrosis of the reconstructed gastric tube, esophago-tracheal fistula, mediastinal abscess, hard-to-treat acute respiratory distress syndrome (ARDS) and so on. In particular, respiratory tract necrosis or perforation is the most critical complication and frequently becomes lethal. Patients who undergo a salvage esophagectomy have a significantly higher risk of pulmonary and cardiac complication, and have high rates of repeated surgery. Rapid diagnosis and appropriate treatment of complications are necessary to reduce postoperative mortality. To improve the overall outcome, it is very important to better understand the condition of patients after CRT, so appropriate surgery can be carefully planned. Furthermore, it is absolutely essential to perform the operation with great care and to meticulously manage the perioperative care for salvage esophagectomy.
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97
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Miyazaki S, Murase K, Yoshikawa T, Morimoto S, Ohno Y, Sugimura K. A quantitative method for estimating hepatic blood flow using a dual-input single-compartment model. Br J Radiol 2008; 81:790-800. [PMID: 18591199 DOI: 10.1259/bjr/52166324] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
The purpose of this study was to investigate the accuracy of a quantitative method for estimating arterial hepatic blood flow and portal hepatic blood flow separately using a dual-input single-compartment model compared with the maximum slope method using computer simulations and clinical data. In computer simulations, the rate constants for the transfer of contrast agent (CA) from the hepatic artery to the liver (K(1a)), from the portal vein to the liver (K(1p)) and from the liver to the blood (k(2)) were estimated from simulated time-density curves with various transit times of CA from the aorta to the liver (tau(a)) and from the portal vein to the liver (tau(p)) using the linear least-squares (LLSQ) method. In clinical studies, dynamic CT data were acquired from 27 patients, and parametric maps of K(1a), K(1p) and k(2) were generated by applying the LLSQ method pixel by pixel. In simulation studies, tau(a) and tau(p) were found to have a large and a small effect on the estimates of K(1a) and K(1p), respectively. In clinical studies, the K(1a) and K(1p) values estimated with the maximum slope method were underestimated by 60+/-29% and 37+/-12%, respectively, compared with those estimated by the LLSQ method. In conclusion, our results suggest that correction of tau(a) is necessary for accurately estimating K(1a) and K(1p). Our method is therefore promising for the evaluation of hepatic blood flow in various liver diseases because it allows us to evaluate arterial hepatic blood flow and portal hepatic blood flow separately and visually.
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98
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Takayama I, Miyazaki S, Tashiro F, Fujikura J, Miyazaki J, Yamato E. Pdx-1-independent differentiation of mouse embryonic stem cells into insulin-expressing cells. Diabetes Res Clin Pract 2008; 79:e8-10. [PMID: 17900743 DOI: 10.1016/j.diabres.2007.08.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2007] [Accepted: 08/21/2007] [Indexed: 10/22/2022]
Abstract
To investigate whether insulin-producing cells obtained from ES cells via the nestin-positive cell-mediated method are of the pancreatic lineage, we established a pdx-1 knockout ES cell line and analyzed its differentiation into insulin-producing cells. As a result, pdx-1 knockout ES cell expressed insulin 2 gene at the final differentiated cells. Thus, our study demonstrated that pdx-1 is not essential for insulin gene expression, at least in cells differentiated from this population of nestin-expression enriched ES cells, and suggested that the insulin-producing cells derived from ES cells may be different from the pancreatic beta cells in terms of their lineage.
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99
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Miyazaki S. Calcium signalling during mammalian fertilization. CIBA FOUNDATION SYMPOSIUM 2007; 188:235-47; discussion 247-51. [PMID: 7587620 DOI: 10.1002/9780470514696.ch13] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The fertilized mammalian egg is a nice model system for analysing spatiotemporal Ca2+ signalling in the intact cell. Hamster eggs show repetitive Ca2+ transients, associated in the initial response with Ca2+ waves which begin from the site of sperm attachment and are propagated across the deep cytoplasm to the opposite pole. In unfertilized eggs, a regenerative Ca2+ wave is induced by injection of either inositol 1,4,5-trisphosphate (InsP3) or Ca2+, and Ca2+ oscillations are produced by continuous injection of InsP3. These Ca2+ waves and oscillations in both fertilized and unfertilized eggs are inhibited in a dose-dependent manner by a monoclonal antibody to the type 1 InsP3 receptor. Ryanodine receptors (both skeletal and cardiac types) are not detected by physiological or immunoblot analyses. Positive and negative feedback between cytosolic Ca2+ and Ca2+ release from InsP3-sensitive pools accounts for the spatiotemporal Ca2+ signalling. In addition to intracellular Ca2+ release, Ca2+ entry from outside the egg is necessary to refill the Ca2+ pools and maintain Ca2+ oscillations. Evidence suggests that inositol 1,3,4,5-tetrakisphosphate activates the Ca2+ influx. The signal transduction process leading to the production of InsP3 and the mechanism of egg activation following the Ca2+ response still remain to be elucidated.
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100
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Murase K, Miyazaki S, Yang X. An efficient method for calculating kinetic parameters in a dual-input single-compartment model. Br J Radiol 2007; 80:371-5. [PMID: 17038408 DOI: 10.1259/bjr/72152927] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Quantitative measurement of hepatic perfusion has the potential to provide important information in the assessment and management of various liver diseases. The utility of hepatic perfusion characterization relies on the resolution of each component of its dual blood supply, i.e. the hepatic artery and portal vein. In this study, a linear equation was derived by integrating the differential equation describing the kinetic behaviour of contrast agent (CA) in a dual-input single-compartment model, from which the kinetic parameters can be easily obtained using the linear least-squares method. The usefulness of this method was investigated using computer simulations, in comparison with the non-linear least-squares (NLSQ) method. This method calculated the kinetic parameters faster than the NLSQ method by a factor of approximately 10, with almost the same accuracy as the NLSQ method. This method will be useful for analysing the kinetic behaviour of CA in the unique liver environment, especially by generating the functional images of kinetic parameters.
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