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Takagi H, Neyatani N, Fujita S, Oka Y, Sasagawa T, Makinoda S. O671 EFFICACY AND SAFETY OF LONG-TERM DIENOGEST THERAPY FOR ENDOMETRIOSIS. Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)61101-1] [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]
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Abe A, Takagi H, Fujibe T, Aya K, Kojima M, Sakakibara H, Uemura A, Matsuoka M, Terauchi R. OsGA20ox1, a candidate gene for a major QTL controlling seedling vigor in rice. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2012; 125:647-57. [PMID: 22481119 DOI: 10.1007/s00122-012-1857-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Accepted: 03/21/2012] [Indexed: 05/07/2023]
Abstract
Seedling vigor is among the major determinants of stable stand establishment in direct-seeded rice (Oryza sativa L.) in temperate regions. Quantitative trait loci (QTL) for seedling vigor were identified using 250 recombinant inbred lines (RILs) derived from a cross between two japonica rice cultivars Kakehashi and Dunghan Shali. Seedling heights measured at 14 days after sowing were 20.3 and 29.4 cm for Kakehashi and Dunghan Shali, respectively. For the RILs, the height ranged from 14.1 to 31.7 cm. Four putative QTLs associated with seedling height were detected. qPHS3-2, the major QTL that was located on the long arm of chromosome 3, accounted for 26.2 % of the phenotypic variance. Using progeny of the near isogenic lines (NILs) produced by the backcross introduction of a chromosome segment carrying this major QTL into an elite cultivar Iwatekko, we fine-mapped qPHS3-2 to a 81-kb interval between two markers, ID_CAPS_01 and RM16227. Within this mapped region, we identified the gene OsGA20ox1, which is related to gibberellin (GA) biosynthesis. The relative expression levels of GA20ox1 in seedlings of Dunghan Shali and NILs were higher than that of Iwatekko. Concomitantly, the amount of endogenous active GA was higher in Dunghan Shali and the NILs compared to the level detected in Iwatekko. These results indicate that OsGA20ox1 is a strong candidate gene for major QTL controlling seedling vigor in rice.
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Fujiyama S, Ohsumi H, Komesu T, Matsuno J, Kim BJ, Takata M, Arima T, Takagi H. Two-dimensional Heisenberg behavior of J(eff)=1/2 isospins in the paramagnetic state of the spin-orbital Mott insulator Sr2IrO4. PHYSICAL REVIEW LETTERS 2012; 108:247212. [PMID: 23004324 DOI: 10.1103/physrevlett.108.247212] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Indexed: 06/01/2023]
Abstract
The dynamical correlations of J(eff)=1/2 isospins in the paramagnetic state of spin-orbital Mott insulator Sr2IrO4 were revealed by resonant magnetic x-ray diffuse scattering. We found a two-dimensional antiferromagnetic fluctuation with a large in-plane correlation length exceeding 100 lattice spacings at even 20 K above the magnetic ordering temperature. In marked contrast to the naive expectation of the strong magnetic anisotropy associated with an enhanced spin-orbit coupling, we discovered an isotropic isospin correlation that is well described by the two-dimensional S=1/2 quantum Heisenberg model. The estimated antiferromagnetic coupling constant as large as J∼0.1 eV that is comparable to the small Mott gap (<0.5 eV) points out the weak and marginal Mott character of this spin-orbital entangled system.
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Takayama T, Kuwano K, Hirai D, Katsura Y, Yamamoto A, Takagi H. Strong coupling superconductivity at 8.4 K in an antiperovskite phosphide SrPt3P. PHYSICAL REVIEW LETTERS 2012; 108:237001. [PMID: 23003981 DOI: 10.1103/physrevlett.108.237001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Revised: 03/23/2012] [Indexed: 06/01/2023]
Abstract
We report the discovery of a family of ternary platinum phosphides APt3P (A = Ca, Sr, and La), which crystallize in an antiperovskite-based structure closely related to that of the heavy fermion superconductor CePt3Si. All three phosphides showed superconductivity at low temperatures and the highest critical temperature T(c) = 8.4 K was observed for SrPt3P. The analysis of specific heat C(T) for SrPt3P shows clear evidence for very strong coupling s-wave superconductivity with a large ratio between superconducting gap Δ0 and T(c), 2Δ0/k(B)T(c) ∼ 5, and the presence of low-energy phonons. The presence of multiple Fermi surface pockets was inferred from the nonlinear magnetic field dependence of Hall resistivity, which we argue might play a role in realizing the strong coupling of charge carriers with the low-lying phonons.
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Ohyama T, Sato K, Kishimoto K, Yamazaki Y, Horiguchi N, Ichikawa T, Kakizaki S, Takagi H, Izumi T, Mori M. Azelnidipine is a calcium blocker that attenuates liver fibrosis and may increase antioxidant defence. Br J Pharmacol 2012; 165:1173-87. [PMID: 21790536 DOI: 10.1111/j.1476-5381.2011.01599.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND AND PURPOSE Oxidative stress plays a critical role in liver fibrogenesis. Reactive oxygen species (ROS) stimulate hepatic stellate cells (HSCs), and ROS-mediated increases in calcium influx further increase ROS production. Azelnidipine is a calcium blocker that has been shown to have antioxidant effects in endothelial cells and cardiomyocytes. Therefore, we evaluated the anti-fibrotic and antioxidative effects of azelnidipine on liver fibrosis. EXPERIMENTAL APPROACH We used TGF-β1-activated LX-2 cells (a human HSC line) and mouse models of fibrosis induced by treatment with either carbon tetrachloride (CCl(4) ) or thioacetamide (TAA). KEY RESULTS Azelnidipine inhibited TGF-β1 and angiotensin II (Ang II)-activated α1(I) collagen mRNA expression in HSCs. Furthermore, TGF-β1- and Ang II-induced oxidative stress and TGF-β1-induced p38 and JNK phosphorylation were reduced in HSCs treated with azelnidipine. Azelnidipine significantly decreased inflammatory cell infiltration, pro-fibrotic gene expressions, HSC activation, lipid peroxidation, oxidative DNA damage and fibrosis in the livers of CCl(4) - or TAA-treated mice. Finally, azelnidipine prevented a decrease in the expression of some antioxidant enzymes and accelerated regression of liver fibrosis in CCl(4) -treated mice. CONCLUSIONS AND IMPLICATIONS Azelnidipine inhibited TGF-β1- and Ang II-induced HSC activation in vitro and attenuated CCl(4) - and TAA-induced liver fibrosis, and it accelerated regression of CCl(4) -induced liver fibrosis in mice. The anti-fibrotic mechanism of azelnidipine against CCl(4) -induced liver fibrosis in mice may have been due an increased level of antioxidant defence. As azelnidipine is widely used in clinical practice without serious adverse effects, it may provide an effective new strategy for anti-fibrotic therapy.
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Abe A, Kosugi S, Yoshida K, Natsume S, Takagi H, Kanzaki H, Matsumura H, Yoshida K, Mitsuoka C, Tamiru M, Innan H, Cano L, Kamoun S, Terauchi R. Genome sequencing reveals agronomically important loci in rice using MutMap. Nat Biotechnol 2012; 30:174-178. [PMID: 22267009 DOI: 10.1038/nbt2095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Accepted: 12/14/2011] [Indexed: 05/19/2023]
Abstract
The majority of agronomic traits are controlled by multiple genes that cause minor phenotypic effects, making the identification of these genes difficult. Here we introduce MutMap, a method based on whole-genome resequencing of pooled DNA from a segregating population of plants that show a useful phenotype. In MutMap, a mutant is crossed directly to the original wild-type line and then selfed, allowing unequivocal segregation in second filial generation (F(2)) progeny of subtle phenotypic differences. This approach is particularly amenable to crop species because it minimizes the number of genetic crosses (n = 1 or 0) and mutant F(2) progeny that are required. We applied MutMap to seven mutants of a Japanese elite rice cultivar and identified the unique genomic positions most probable to harbor mutations causing pale green leaves and semidwarfism, an agronomically relevant trait. These results show that MutMap can accelerate the genetic improvement of rice and other crop plants.
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Abe A, Kosugi S, Yoshida K, Natsume S, Takagi H, Kanzaki H, Matsumura H, Yoshida K, Mitsuoka C, Tamiru M, Innan H, Cano L, Kamoun S, Terauchi R. Genome sequencing reveals agronomically important loci in rice using MutMap. Nat Biotechnol 2012. [PMID: 22267009 DOI: 10.3410/f.717950009.793455210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The majority of agronomic traits are controlled by multiple genes that cause minor phenotypic effects, making the identification of these genes difficult. Here we introduce MutMap, a method based on whole-genome resequencing of pooled DNA from a segregating population of plants that show a useful phenotype. In MutMap, a mutant is crossed directly to the original wild-type line and then selfed, allowing unequivocal segregation in second filial generation (F(2)) progeny of subtle phenotypic differences. This approach is particularly amenable to crop species because it minimizes the number of genetic crosses (n = 1 or 0) and mutant F(2) progeny that are required. We applied MutMap to seven mutants of a Japanese elite rice cultivar and identified the unique genomic positions most probable to harbor mutations causing pale green leaves and semidwarfism, an agronomically relevant trait. These results show that MutMap can accelerate the genetic improvement of rice and other crop plants.
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Undan JR, Tamiru M, Abe A, Yoshida K, Kosugi S, Takagi H, Yoshida K, Kanzaki H, Saitoh H, Fekih R, Sharma S, Undan J, Yano M, Terauchi R. Mutation in OsLMS, a gene encoding a protein with two double-stranded RNA binding motifs, causes lesion mimic phenotype and early senescence in rice ( Oryza sativa L.). Genes Genet Syst 2012; 87:169-79. [DOI: 10.1266/ggs.87.169] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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159
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Matsui M, Takagi H, Yamamoto H, Goto S, Umemoto T. S89 A meta-analysis of limited resection vs lobectomy for stage I non-small cell lung cancer. Thorax 2011. [DOI: 10.1136/thoraxjnl-2011-201054b.89] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Yamamoto H, Takagi H, Goto S, Matsui M, Umemoto T. P191 A meta-analysis of adjusted and unadjusted observational studies of sleeve lobectomy vs pneumonectomy for non-small cell lung cancer. Thorax 2011. [DOI: 10.1136/thoraxjnl-2011-201054c.191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Colakoglu M, Toy H, Icen MS, Vural M, Mahmoud AS, Yazici F, Buendgen N, Cordes T, Schultze-Mosgau A, Diedrich K, Beyer D, Griesinger G, Oude Loohuis EJ, Nahuis MJ, Bayram N, Hompes PGA, Oosterhuis GJE, Bossuyt PM, van der Veen F, Mol BWJ, van Wely M, Nahuis MJ, Oude Loohuis EJ, Kose N, Bayram N, Hompes PGA, Oosterhuis GJE, Bossuyt PM, van der Veen F, Mol BWJ, van Wely M, Yaba A, Demir N, Allegra A, Pane A, Marino A, Scaglione P, Ruvolo G, Manno M, Volpes A, Lunger F, Wildt L, Seeber B, Kolibianakis EM, Venetis CA, Bosdou J, Toulis K, Goulis DG, Tarlatzi TB, Tarlatzis BC, Franz M, Keck C, Daube S, Pietrowski D, Demir N, Yaba A, Iannetta R, Santos RDS, Lima TP, Giolo F, Iannetta O, Martins WP, Paula FJ, Ferriani RA, Rosa e Silva ACJS, Martinelli CE, Reis RM, Devesa M, Rodriguez I, Coroleu B, Tur R, Gonzalez C, Barri PN, Nardo LG, Mohiyiddeen L, Mulugeta B, McBurney H, Roberts SA, Newman WG, Grynberg M, Lamazou F, Even M, Gallot V, Frydman R, Fanchin R, Abdalla H, Nicopoullos J, Leader A, Pang S, Witjes H, Gordon K, Devroey P, Arrivi C, Ferraretti AP, Magli MC, Tartaglia ML, Fasolino MC, Gianaroli L, Macek sr. M, Feldmar P, Kluckova H, Hrehorcak M, Diblik J, Cernikova J, Paulasova P, Turnovec M, Macek jr. M, Hillensjo T, Yeko T, Witjes H, Elbers J, Devroey P, Mardesic T, Abuzeid M, Witjes H, Mannaerts B, Okubo T, Matsuo R, Kuwayama M, Teramoto S, Chakraborty P, Goswami SK, Chakravarty BN, Nandi SS, Kabir SN, Ramos Vidal J, Prados N, Caligara C, Garcia J, Carranza FJ, Gonzalez-Ravina A, Salazar A, Tocino A, Rodriguez I, Fernandez-Sanchez M, Ito H, Iwasa T, Hasegawa E, Hatano K, Nakayama D, Kazuka M, Usuda S, Isaka K, Ventura V, Doria S, Fernandes S, Barros A, Valkenburg O, Lao O, Schipper I, Louwers YV, Uitterlinden AG, Kayser M, Laven JSE, Sharma S, Goswami S, Goswami SK, Ghosh S, Chattopadhyay R, Sarkar A, Chakravarty BN, Louwers YV, Valkenburg O, Lie Fong S, van Dorp W, de Jong FH, Laven JSE, Ghosh S, Chattopadhyay R, Goswami SK, Radhika KL, Chakravarty BN, Benkhalifa M, Demirol A, Montjeant D, Delagrange P, Gentien D, Giakoumakis G, Menezo Y, Dattilo M, Gurgan T, Engels S, Blockeel C, Haentjens P, De Vos M, Camus M, Devroey P, Dimitraki M, Koutlaki N, Gioka T, Messini CI, Dafopoulos K, Messinis IE, Gurlek B, Batioglu S, Ozyer S, Nafiye Y, Kale I, Karayalcin R, Uncu G, Kasapoglu I, Uncu Y, Celik N, Ozerkan K, Ata B, Ferrero H, Gomez R, Delgado F, Simon C, Gaytan F, Pellicer A, Osborn JC, Fien L, Wolyncevic J, Esler JH, Choi D, Kim N, Choi J, Jo M, Lee E, Lee D, Fujii R, Neyatani N, Waseda T, Oka Y, Takagi H, Tomizawa H, Sasagawa T, Makinoda S, Ajina M, Zorgati H, Ben Salem A, Ben Ali H, Mehri S, Touhami M, Saad A, Piouka A, Karkanaki A, Katsikis I, Delkos D, Mousatat T, Daskalopoulos G, Panidis D, Pantos K, Stavrou D, Sfakianoudis K, Angeli E, Chronopoulou M, Vaxevanoglou T, Jones R GMJ, Lee WD, Kim SD, Jee BC, Kim KC, Kim KH, Kim SH, Kim YJ, Park KA, Chae SJ, Lim KS, Hur CY, Kang YJ, Lee WD, Lim JH, Tomizawa H, Makinoda S, Fujita S, Waseda T, Fujii R, Utsunomiya R T, Vieira C, Martins WP, Fernandes JBF, Soares GM, Reis RM, Silva de Sa MF, Ferriani R RA, Yoo JH, Kim HO, Cha SH, Koong MK, Song IO, Kang IS, Hatakeyama N, Jinno M, Watanabe A, Hirohama J, Hiura R, Konig TE, Beemsterboer SN, Overbeek A, Hendriks ML, Heymans MW, Hompes P, Homburg R, Schats R, Lambalk CB, van der Houwen L, Konig TE, Overbeek A, Hendriks ML, Beemsterboer SN, Kuchenbecker WK, Renckens CNM, Bernardus RE, Schats R, Homburg R, Hompes P, Lambalk CB, Potdar N, Gelbaya TA, Nardo LG, de Groot PCM, Dekkers OM, Romijn JA, Dieben SWM, Helmerhorst FM, Guivarch Leveque A, Homer L, Broux PL, Moy L, Priou G, Vialard J, Colleu D, Arvis P, Dewailly D, Aghahosseini M, Aleyasin A, Sarvi F, Safdarian L, Rahmanpour H, Akhtar MA, Navaratnam K, Ankers D, Sharma SD, Son WY, Chung JT, Reinblatt S, Dahan M, Demirtas M, Holzer H, Aspichueta F, Exposito A, Crisol L, Prieto B, Mendoza R, Matorras R, Kim K, Lee J, Jee B, Lee W, Suh C, Moon J, Kim S, Sarapik A, Velthut A, Haller-Kikkatalo K, Faure GC, Bene MC, de Carvalho M, Massin F, Uibo R, Salumets A, Alhalabi M, Samawi S, Taha A, Kafri N, Modi S, Khatib A, Sharif J, Othman A, Hamamah S, Assou S, Anahory T, Loup V, Dechaud H, Dewailly D, Mousavi Fatemi H, Doody K, Witjes H, Mannaerts B, Basconi V, Jungblut L, Young E, Van Thillo G, Paz D, Pustovrh MC, Fabbri R, Pasquinelli G, Magnani V, Macciocca M, Parazza I, Battaglia C, Paradisi R, Venturoli S, Ono M, Teranisi A, Fumino T, Ohama N, Hamai H, Chikawa A, Takata R, Teramura S, Iwahasi K, Shigeta M, Heidari M, Farahpour M, Talebi S, Edalatkhah H, Zarnani AH, Ardekani AM, Pietrowski D, Szabo L, Sator M, Just A, Franz M, Egarter C, Hope N, Motteram C, Rombauts LJ, Lee W, Chang E, Han J, Won H, Yoon T, Seok H, Diao FY, Mao YD, Wang W, Ding W, Liu JY, Chang E, Yoon T, Lee W, Cho J, Kwak I, Kim Y, Afshan I, Cartwright R, Trew G, Lavery S, Lockwood G, Niyani K, Banerjee S, Chambers A, Pados G, Tsolakidis D, Billi H, Athanatos D, Tarlatzis B, Salumets A, Laanpere M, Altmae S, Kaart T, Stavreus-Evers A, Nilsson TK, van Dulmen-den Broeder E, van der Stroom E, Konig TE, van Montfrans J, Overbeek A, van den Berg MH, van Leeuwen FE, Lambalk CB, Taketani T, Tamura H, Tamura I, Asada H, Sugino N, Al - Azemi M, Kyrou D, Papanikolaou EG, Polyzos NP, Devroey P, Fatemi HM, Qiu Z, Yang L, Yan G, Sun H, Hu Y, Mohiyiddeen L, Higgs J, Roberts S, Newman W, Nardo LG, Ho C, Guijarro JA, Nunez R, Alonso J, Garcia A, Cordeo C, Cortes S, Caballero P, Soliman S, Baydoun R, Wang B, Shreeve N, Cagampang F, Sadek K, Hill CM, Brook N, Macklon N, Cheong Y, Santana R, Setti AS, Maldonado LG, Valente FM, Iaconelli C, Braga DPAF, Iaconelli Jr. A, Borges Jr. E, Yoon JS, Won MY, Kim SD, Jung JH, Yang SH, Lim JH, Kavrut M, Kahraman S, Sadek KH, Bruce KB, Macklon N, Cagampang FR, Cheong YC, Cota AMM, Oliveira JBA, Petersen CG, Mauri AL, Massaro FC, Silva LFI, Vagnini LD, Nicoletti A, Pontes A, Cavagna M, Baruffi RLR, Franco Jr. JG, Won MY, Kim SD, Yoon JS, Jung JH, Yang SH, Lim JH, Kim SD, Kim JW, Yoon TK, Lee WS, Han JE, Lyu SW, Shim SH, Kuwabara Y, Katayama A, Tomiyama R, Piao H, Ono S, Shibui Y, Abe T, Ichikawa T, Mine K, Akira S, Takeshita T, Hatzi E, Lazaros L, Xita N, Kaponis A, Makrydimas G, Sofikitis N, Stefos T, Zikopoulos K, Georgiou I, Guimera M, Casals G, Fabregues F, Estanyol JM, Balasch J, Mochtar MH, Van den Wijngaard L, Van Voorst S, Koks CAM, Van Mello NM, Mol BWJ, Van der Veen F, Van Wely M, Fabregues F, Iraola A, Casals G, Creus M, Carmona F, Balasch J, Villarroel C, Lopez P, Merino P, Iniguez G, Codner E, Xu B, Cui Y, Gao L, Xue KAI, Li MEI, Zhang YUAN, Diao F, Ma X, Liu J, Leonhardt H, Gull B, Kishimoto K, Kataoka M, Stener-Victorin E, Hellstrom M, Cui Y, Wang X, Zhang Z, Ding G, HU X, Sha J, Zhou Z, Liu J, Liu J, Kyrou D, Kolibianakis EM, Fatemi HM, Camus M, Tournaye H, Tarlatzis BC, Devroey P, Davari F, Rashidi B, Rahmanpour Zanjani H, Al-Inany H, Youssef M, Aboulghar M, Broekmans F, Sterrenburg M, Smit J, Abousetta A, Van Dessel H, Van Leeuwen J, McGee EA, Bodri D, Guillen JJ, Rodriguez A, Trullenque M, Coll O, Vernaeve V, Snajderova M, Keslova P, Sedlacek P, Formankova R, Kotaska K, Stary J, Weghofer A, Dietrich W, Barad DH, Gleicher N, Rustamov O, Pemberton P, Roberts S, Smith A, Yates A, Patchava S, Nardo L, Toulis KA, Mintziori G, Goulis DG, Kintiraki E, Eukarpidis E, Mouratoglou SA, Pavlaki A, Stergianos S, Poulasouhidou M, Tzellos TG, Tarlatzis BC, Nasiri R, Ramezanzadeh F, Sarafraz Yazdi M, Baghrei M, Lee RKK, Wu FS, Lin S, Lin MH, Hwu YM. POSTER VIEWING SESSION - REPRODUCTIVE ENDOCRINOLOGY. Hum Reprod 2011. [DOI: 10.1093/humrep/26.s1.90] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Fausti D, Tobey RI, Dean N, Kaiser S, Dienst A, Hoffmann MC, Pyon S, Takayama T, Takagi H, Cavalleri A. Light-induced superconductivity in a stripe-ordered cuprate. Science 2011; 331:189-91. [PMID: 21233381 DOI: 10.1126/science.1197294] [Citation(s) in RCA: 271] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
One of the most intriguing features of some high-temperature cuprate superconductors is the interplay between one-dimensional "striped" spin order and charge order, and superconductivity. We used mid-infrared femtosecond pulses to transform one such stripe-ordered compound, nonsuperconducting La(1.675)Eu(0.2)Sr(0.125)CuO(4), into a transient three-dimensional superconductor. The emergence of coherent interlayer transport was evidenced by the prompt appearance of a Josephson plasma resonance in the c-axis optical properties. An upper limit for the time scale needed to form the superconducting phase is estimated to be 1 to 2 picoseconds, which is significantly faster than expected. This places stringent new constraints on our understanding of stripe order and its relation to superconductivity.
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Matsunami K, Takagi H, Ichigo S, Murase T, Ikeda T, Imai A. Peptide YY producing strumal carcinoid tumor of the ovary. EUR J GYNAECOL ONCOL 2011; 32:201-202. [PMID: 21614915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND Primary ovarian carcinoid tumor is uncommon and represents less than 0.1% of ovarian malignancies. The strumal carcinoid may be complicated by carcinoid syndrome induced by peptide YY (PYY). CASE REPORT We describe a 45-year-old woman with a bilateral ovarian tumor diagnosed through periodical gynecological examination. She presented with severe constipation. Right ovarian cyst laparoscopically resected was diagnosed as a strumal carcinoid tumor; the left one was mature cystic teratoma. No metastatic findings were seen macroscopically on the ovarian surface and pelvic peritoneum. Constipation was drastically improved by resecting the tumor. The carcinoid tumor cells were positive for tumor-producing PYY by mRNA analysis. CONCLUSION It is important to be aware of this entity in the pathological diagnosis of ovarian tumors, in the presence of any clinical indicator of carcinoid tumor/syndrome, as it carries a markedly better prognosis and clinical outcome in comparison with most other malignant ovarian tumors.
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Takagi H, Matsunami K, Ichigo S, Imai A. Novel [corrected] medical management of primary bladder endometriosis with dienogest: a case report. CLIN EXP OBSTET GYN 2011; 38:184-185. [PMID: 21793288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
BACKGROUND Because of its low incidence, medical treatment of has not yet been well established although surgical excision is generally considered effective. We report the first case of primary bladder endometriosis successfully managed with a novel progestin dienogest. CASE A 39-year-old woman, nulligravida, presented with lower urinary tract symptoms, especially during menstruation. Cystoscopy, with subsequent cold cup biopsy, revealed a solitary submucosal mass (2 x 2 cm) in the bladder on the posterior wall; histopathology revealed the diagnosis of extraperitoneal endometriosis. MRI and laparoscopy confirmed no peritoneal endometriosis implants or adenomyosis. She was treated with oral 2 mg/day dienogest for six months. The measurable lesion exhibited a remarkable reduction in its size, accompanied with immediate relief of the lesion-related symptoms. At one year after medication cessation, she is well and symptom-free. CONCLUSION Dienogest may be a novel conservative alternative for bladder endometriosis, in particular for women who wish to avoid surgical intervention.
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Takagi H, Matsunami K, Imai A. Uterovaginal duplication with blind hemivagina and ipsilateral renal agenesis: review of unusual presentation. J OBSTET GYNAECOL 2010; 30:350-3. [PMID: 20455715 DOI: 10.3109/01443611003763416] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Congenital abnormalities of the Müllerian duct system can result in various urogenital anomalies, including uterus didelphys with blind hemivagina and ipsilateral renal agenesis (Herlyn-Werner-Wunderlich syndrome). It usually presents after the menarche with progressive pelvic pain during periods secondary to haematocolpos. However, rarely presentation is unusual with consequent diagnostic delay. This paper attempts to review the medical literature for rare presentations that make diagnosis and treatment difficult, including our cases. Clinicians must be aware of the importance of this rare congenital anomaly of the female genital tract, especially many years after the menarche. This condition should be considered to prevent misdiagnosis or suboptimal treatment.
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Takagi H, Manabe H, Kawai N, Goto SN, Umemoto T. Serum high-density and low-density lipoprotein cholesterol is associated with abdominal aortic aneurysm presence: a systematic review and meta-analysis. INT ANGIOL 2010; 29:371-375. [PMID: 20671656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
AIM To summarize the present evidence for an association between high-density lipoprotein (HDL) or low-density lipoprotein (LDL) cholesterol and abdominal aortic aneurysm (AAA) presence, we performed a systematic review and meta-analysis of case-control studies that compared serum HDL or LDL cholesterol between patients with AAA and control subjects. METHODS MEDLINE and EMBASE databases were searched to identify all case-control studies that compared serum HDL or LDL cholesterol between patients with AAA and control subjects. For each study, data regarding serum HDL or LDL cholesterol in both the AAA and control groups were used to generate mean differences (MDs) and 95% confidence intervals (CIs). Study-specific estimates were combined using inverse variance-weighted average of logarithmic MDs in both fixed- and random-effects models. RESULTS Our search identified 8 eligible studies including 812 patients with AAA and 8 267 control subjects. Pooled analysis demonstrated significantly lower serum HDL cholesterol (MD, -0.15 mmol/L; 95% CI, -0.24 to -0.07 mmol/L; P=0.0006) and significantly higher serum LDL cholesterol (MD, 0.25 mmol/L; 95% CI, 0.08 to 0.42 mmol/L; P=0.004) in the AAA group than those in the control group in random-effect models. There was significant study heterogeneity of results but no evidence of significant publication bias. Several sensitivity analyses did not substantively alter the overall result of our analysis. CONCLUSION We found that, based on a systematic review and meta-analysis, serum HDL cholesterol is likely lower and serum LDL cholesterol is likely higher in patients with AAA than control subjects. Lower serum HDL cholesterol and higher serum LDL cholesterol may be associated with AAA presence.
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Bhobe PA, Chainani A, Taguchi M, Takeuchi T, Eguchi R, Matsunami M, Ishizaka K, Takata Y, Oura M, Senba Y, Ohashi H, Nishino Y, Yabashi M, Tamasaku K, Ishikawa T, Takenaka K, Takagi H, Shin S. Evidence for a correlated insulator to antiferromagnetic metal transition in CrN. PHYSICAL REVIEW LETTERS 2010; 104:236404. [PMID: 20867257 DOI: 10.1103/physrevlett.104.236404] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2010] [Indexed: 05/29/2023]
Abstract
We investigate the electronic structure of chromium nitride (CrN) across the first-order magnetostructural transition at T(N)∼286 K. Resonant photoemission spectroscopy (PES) shows a gap in the 3d partial density of states at the Fermi level and an on-site Coulomb energy U∼4.5 eV, indicating strong electron-electron correlations. Bulk-sensitive high-resolution (6 meV) laser PES reveals a clear Fermi edge indicating an antiferromagnetic metal below T(N). Hard x-ray Cr 2p core-level PES shows T-dependent changes across T(N) which originate from screening due to coherent states as substantiated by cluster model calculations using the experimentally observed U. Electrical resistivity confirms an insulator above T(N) (E(g)∼70 meV) becoming a disordered metal below T(N). Thus, CrN transforms from a correlated insulator to an antiferromagnetic metal, coupled to the magnetostructural transition.
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Fujii R, Fujita S, Waseda T, Oka Y, Takagi H, Tomizawa H, Sasagawa T, Makinoda S, Cavagna M, Braga DPAF, Figueira RCS, Aoki T, Maldonado LGL, Iaconelli A, Borges E, Prabhakar S, Dittrich R, Beckmann MW, Hoffmann I, Mueller A, Kjotrod S, Carlsen SM, Rasmussen PE, Holst-Larsen T, Mellembakken J, Thurin-Kjellberg A, Haapaniemi Kouru K, Morin Papunen L, Humaidan P, Sunde A, von During V, Pappalardo S, Valeri C, Crescenzi F, Manna C, Sallam HN, Polec A, Raki M, Tanbo T, Abyholm T, Fedorcsak P, Tabanelli C, Ferraretti AP, Feliciani E, Magli MC, Fasolino C, Gianaroli L, Wang T, Feng C, Song Y, Dong MY, Sheng JZ, Huang HF, Sayyah Melli M, Kazemi-shishvan M, Snajderova M, Zemkova D, Pechova M, Teslik L, Lanska V, Ketel I, Serne E, Stehouwer C, Korsen T, Hompes P, Smulders Y, Voorstemans L, Homburg R, Lambalk C, Bellver J, Martinez-Conejero JA, Pellicer A, Labarta E, Alama P, Melo MAB, Horcajadas JA, Agirregoitia N, Peralta L, Mendoza R, Exposito A, Matorras R, Agirregoitia E, Ajina M, Chaouache N, Gaddas M, Souissi A, Tabka Z, Saad A, Zaouali-Ajina M, Zbidi A, Eguchi N, Jinno M, Watanabe A, Hirohama J, Hatakeyama N, Choi YM, Kim JJ, Kim DH, Yoon SH, Ku SY, Kim SH, Kim JG, Lee KS, Moon SY, Hirohama J, Jinno M, Watanabe A, Eguchi N, Hatakeyama N, Jinno M, Watanabe A, Hirohama J, Eguchi N, Hatakeyama N, Xiong Y, Liang X, Li Y, Yang X, Wei L, Makinoda S, Tomizawa H, Fujita S, Takagi H, Oka Y, Waseda T, Sasagawa T, Fujii R, Utsunomiya T, Chu S, Li P, Akarsu S, Dirican EK, Akin KO, Kormaz C, Goktolga U, Ceyhan ST, Kara C, Nadamoto K, Tarui S, Ida M, Sugihara K, Haruki A, Hukuda A, Morimoto Y, Albu A, Albu D, Sandu L, Kong G, Cheung L, Lok I, Pinto A, Teixeira L, Figueiredo H, Pires I, Silva Carvalho JL, Pereira ML, Faut M, de Zuniga I, Colaci D, Barrios E, Oubina A, Terrado Gil G, Motta A, Colaci D, de Zuniga I, Horton M, Faut M, Sobral F, Gomez Pena M, Motta A, Gleicher N, Barad DH, Li YP, Zhao HC, Spaczynski RZ, Guzik P, Banaszewska B, Krauze T, Wykretowicz A, Wysocki H, Pawelczyk L, Sarikaya E, Gulerman C, Cicek N, Mollamahmutoglu L, Venetis CA, Kolibianakis EM, Toulis K, Goulis D, Loutradi K, Chatzimeletiou K, Papadimas I, Bontis I, Tarlatzis BC, Schultze-Mosgau A, Griesinger G, Schoepper B, Cordes T, Diedrich K, Al-Hasani S, Gomez R, Jovanovic V, Sauer CM, Shawber CJ, Sauer MV, Kitajewski J, Zimmermann RC, Bungum L, Jacobsson AK, Rosen F, Becker C, Andersen CY, Guner N, Giwercman A, Kiapekou E, Zapanti E, Boukelatou D, Mavreli T, Bletsa R, Stefanidis K, Drakakis P, Mastorakos G, Loutradis D, Malhotra N, Sharma V, Kumar S, Roy KK, Sharma JB, Ferraretti A, Gianaroli L, Magli MC, Crippa A, Stanghellini I, Robles F, Serdynska-Szuster M, Spaczynski RZ, Banaszewska B, Pawelczyk L, Kristensen SL, Ernst E, Toft G, Olsen SF, Bonde JP, Vested A, Ramlau-Hansen CH, Wang FF, Qu F, Ding GL, Huang HF, Gallot V, Genro V, Roux I, Scheffer JB, Frydman R, Fanchin R, Kanta Goswami S, Banerjee S, Chakravarty BN, Kabir SN, Seeber BE, Morandell E, Kurzthaler D, Wildt L, Dieplinger H, Tutuncu L, Bodur S, Dundar O, Ron - El R, Seger R, Komarovsky D, Kasterstein E, Komsky A, Maslansky B, Strassburger D, Ben-Ami I, Zhao XM, Ni RM, Lin L, Dong M, Tu CH, He ZH, Yang DZ, Karamalegos C, Polidoropoulos N, Papanikopoulos C, Stefanis P, Argyrou M, Doriza S, Sisi V, Moschopoulou M, Karagianni T, Mentorou C, Economou K, Davies S, Mastrominas M, Gougeon A, De Los Santos MJ, Garcia-Laez V, Martinez-Conejero JA, Horcajadas JA, Esteban F, Labarta E, Crespo J, Pellicer A, Li HWR, Anderson RA, Yeung WSB, Ho PC, Ng EHY, Yang HI, Lee KE, Seo SK, Kim HY, Cho SH, Choi YS, Lee BS, Park KH, Cho DJ, Hart R, Doherty D, Mori T, Hickey M, Sloboda D, Norman R, Huang RC, Beilin L, Freiesleben N, Lossl K, Johannsen TH, Loft A, Bangsboll S, Hougaard D, Friis-Hansen L, Christiansen M, Nyboe Andersen A, Thum MY, Abdalla H, Martinez-Salazar J, De la Fuente G, Kohls G, Pellicer A, Garcia Velasco JA, Yasmin E, Kukreja S, Barth J, Balen AH, Esra T, Var T, Citil A, Dogan M, Cicek N, Messini CI, Dafopoulos K, Chalvatzas N, Georgoulias P, Anifandis G, Messinis IE, Celik O, Hascalik S, Celik N, Sahin I, Aydin S, Hanna CW, Bretherick KL, Liu CC, Stephenson MD, Robinson WP, Louwers YV, Goodarzi MO, Taylor KD, Jones MR, Cui J, Kwon S, Chen YDI, Guo X, Stolk L, Uitterlinden AG, Laven JSE, Azziz R, Navaratnarajah R, Grun B, Sinclair J, Dafou D, Gayther S, Timms JF, Hardiman PJ, Ye Y, Wu R, Ou J, Kim SD, Jee BC, Lee JY, Suh CS, Kim SH, Jung JH, Moon SY, Opmeer BC, Broeze KA, Coppus SF, Collins JA, Den Hartog JE, Land JA, Van der Linden PJ, Marianowski P, Ng E, Van der Steeg JW, Steures P, Strandell A, Mol BW, Tarlatzi TB, Kyrou D, Mertzanidou A, Fatemi HM, Tarlatzis BC, Devroey P, Batenburg TE, Konig TE, Overbeek A, Hompes P, Schats R, Lambalk CB, Carone D, Vizziello G, Vitti A, Chiappetta R, Topcu HO, Yuksel B, Islimye M, Karakaya J, ozat M, Batioglu S, Kuchenbecker WK, Groen H, Bolster JH, van Asselt S, Wolffenbuettel BH, Land JA, Hoek A, Wu Y, Pan H, Chen X, Wang T, Huang H, Zavos A, Dafopoulos K, Georgoulias P, Messini CI, Verikouki C, Messinis IE, Van Os L, Vink-Ranti CQJ, Rijnders PM, Tucker KE, Jansen CAM, Lucco F, Pozzobon C, Lara E, Galliano D, Pellicer A, Ballesteros A, Ghoshdastidar B, Maity SP, Ghoshdastidar B, Ghoshdastidar S, Luna M, Vela G, Sandler B, Barritt J, Flisser ED, Copperman AB, Nogueira D, Prat L, Degoy J, Bonald F, Montagut J, Ghoshdastidar S, Maity S, Ghoshdastidar B, Chen S, Chen X, Luo C, Zhen H, Shi X, Wu F, Ni Y, Merdassi G, Chaker A, Kacem K, Benmeftah M, Fourati S, Wahabi D, Zhioua F, Zhioua A, Saini P, Saini A, Sugiyama R, Nakagawa K, Nishi Y, Jyuen H, Kuribayashi Y, Sugiyama R, Inoue M, Jancar N, Vrtacnik Bokal E, Virant-Klun I, Lee JH, Kim SG, Cha EM, Park IH, Lee KH, Dahdouh EM, Desrosiers P, St-Michel P, Villeneuve M, Fontaine JY, Granger L, Ramon O, Matorras R, Burgos J, Abanto E, Gonzalez M, Mugica J, Corcostegui B, Exposito A, Tal J, Ziskind G, Ohel G, Paltieli Y, Paz G, Lewit N, Sendel H, Khouri S, Calderon I, van Gelder P, Al-Inany HG, Antaki R, Dean N, Lapensee L, Racicot M, Menard S, Kadoch I, Meylaerts LJ, Dreesen L, Vandersteen M, Neumann C, Zollner U, Kato K, Segawa T, Kawachiya S, Okuno T, Kobayashi T, Takehara Y, Kato O, Jayaprakasan K, Nardo L, Hopkisson J, Campbell B, Raine-Fenning N. Posters * Reproductive Endocrinology (i.e. PCOS, Menarche, Menopause etc.). Hum Reprod 2010. [DOI: 10.1093/humrep/de.25.s1.438] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Hanaguri T, Niitaka S, Kuroki K, Takagi H. Unconventional
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-Wave Superconductivity in Fe(Se,Te). Science 2010; 328:474-6. [DOI: 10.1126/science.1187399] [Citation(s) in RCA: 431] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Taguchi M, Chainani A, Matsunami M, Eguchi R, Takata Y, Yabashi M, Tamasaku K, Nishino Y, Ishikawa T, Tsuda S, Watanabe S, Chen CT, Senba Y, Ohashi H, Fujiwara K, Nakamura Y, Takagi H, Shin S. Anomalous state sandwiched between Fermi liquid and charge ordered Mott-insulating phases of Ti4O7. PHYSICAL REVIEW LETTERS 2010; 104:106401. [PMID: 20366439 DOI: 10.1103/physrevlett.104.106401] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2009] [Indexed: 05/29/2023]
Abstract
The Magnéli phase Ti(4)O(7) exhibits two sharp jumps in resistivity with coupled structural transitions as a function of temperature at T(c1) approximately 142 K and T(c2) = 154 K. We have studied electronic structure changes across the two transitions using 7 eV laser, soft x-ray, and hard x-ray (HX) photoemission spectroscopy (PES). Ti 2p-3d resonant PES and HX PES show a clear metallic Fermi edge and mixed valency above T(c2). The low temperature phase below T(c1) shows a clear insulating gap of approximately 100 meV. The intermediate phase between T(c1) and T(c2) indicates a pseudogap coexisting with remnant coherent states. HX PES and complementary calculations have confirmed the coherent screening in the strongly correlated intermediate phase. The results suggest the existence of a highly anomalous state sandwiched between the mixed-valent Fermi liquid and charge ordered Mott-insulating phase in Ti(4)O(7).
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Chang J, Daou R, Proust C, Leboeuf D, Doiron-Leyraud N, Laliberté F, Pingault B, Ramshaw BJ, Liang R, Bonn DA, Hardy WN, Takagi H, Antunes AB, Sheikin I, Behnia K, Taillefer L. Nernst and Seebeck coefficients of the cuprate superconductor YBa2Cu3O6.67: a study of Fermi surface reconstruction. PHYSICAL REVIEW LETTERS 2010; 104:057005. [PMID: 20366789 DOI: 10.1103/physrevlett.104.057005] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2009] [Indexed: 05/29/2023]
Abstract
The Seebeck and Nernst coefficients S and nu of the cuprate superconductor YBa{2}Cu{3}O{y} (YBCO) were measured in a single crystal with doping p=0.12 in magnetic fields up to H=28 T. Down to T=9 K, nu becomes independent of field by H approximately 30 T, showing that superconducting fluctuations have become negligible. In this field-induced normal state, S/T and nu/T are both large and negative in the T-->0 limit, with the magnitude and sign of S/T consistent with the small electronlike Fermi surface pocket detected previously by quantum oscillations and the Hall effect. The change of sign in S(T) at T approximately 50 K is remarkably similar to that observed in La2-xBaxCuO4, La{2-x-y}Nd{y}Sr_{x}CuO{4}, and La{2-x-y}Eu{y}Sr{x}CuO{4}, where it is clearly associated with the onset of stripe order. We propose that a similar density-wave mechanism causes the Fermi surface reconstruction in YBCO.
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Hiei K, Takagi H, Matsunami K, Imai A. Ovarian torsion; early diagnosis by MRI to prevent irreversible damage. CLIN EXP OBSTET GYN 2010; 37:233-234. [PMID: 21077534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND Early diagnosis of ovarian torsion can help prevent irreversible damage to the adnexal structures in women desiring to maintain fertility. CASE The patient was transferred by ambulance for a six-hour history of severe lower abdominal pain. Magnetic resonance imaging (MRI) revealed bilateral enlarged ovaries measuring 5 x 6 cm (right) and 4 x 5 cm (left) with a right twisted and thickened peduncle. Ultrasonography failed to detect the peduncle changes. At surgery, the right adnexa was twisted 180 degrees in a clockwise direction with no findings suggestive of gangrenous change, hemorrhagic infarction or ischemic change. Detorsion of the twisted ovary was performed. CONCLUSION Detection of tube torsion at MRI may be useful in the preoperative evaluation for surgical detorsion of twisted adnexa encountered in enlarged ovaries.
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Arai K, Hirao K, Yamauchi M, Takagi H, Kobayashi M. Influence of BMI, Age and Duration of Diabetes Mellitus on Glycaemic Control with Twice-Daily Injections of Biphasic Insulin Aspart 30 versus Multiple Daily Injections of Insulin Aspart (JDDM 18). Clin Drug Investig 2010; 30:35-40. [DOI: 10.2165/11530920-000000000-00000] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Takagi H, Miura S, Matsunami K, Ikeda T, Imai A. Cervical cancer metastasis to the scalp: case report and literature review. EUR J GYNAECOL ONCOL 2010; 31:217-218. [PMID: 20527246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND Distant metastasis in carcinoma of the uterine cervix is a rare manifestation, with scalp metastasis being an exceptional event. CASE We describe a 48-year-old woman with Stage IIb, squamous cell carcinoma of the cervix who was initially treated with radical hysterectomy and lymphadenectomy followed by concurrent chemoradiotherapy. The patient presented eight months later with swelling over the top of the scalp. The scalp was involved in the disease as the sole anatomic site of distant metastasis. CONCLUSION A search of the literature revealed only seven cases of such distant metastatic involvement of the scalp from cervical cancer. More frequent reports and better understanding on these rare events may give new insight to clear strategies to prevent scalp metastases.
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Mizuno T, Takagi H, Matsunami K, Imai A. Sequential methotrexate treatment with and estrogen and progestin in a retained adhesive placenta. CLIN EXP OBSTET GYN 2010; 37:331-332. [PMID: 21355472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
BACKGROUND Hysterectomy is the definite and recommended treatment of a retained adhesive placenta. CASE A 33-year-old woman at 38 weeks plus one day of gestation had a cesarean delivery due to previous history of myomectomy. On ultrasound placental retention was noted thus curettage was attempted two weeks postpartum but it induced moderate fresh bleeding. A contrast-enhanced computed tomography scan depicted the multiple vessels within the intrauterine mass and the absence of deep myometrial invasion. The patient received four doses of 50 mg of methotrexate intramuscularly every other day, alternating with four doses of 15 mg of folic acid. An attempt to evacuate the necrotic tissue along with withdrawal bleeding was successful after three courses of sequential conjugated estrogen (0.25 mg)-progestin (5 mg) therapy. CONCLUSION The use of estrogen and progestogen together with methotrexate in combination may be simple and potentially effective for placenta accreta and placenta increta.
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Katayama N, Uchida M, Hashizume D, Niitaka S, Matsuno J, Matsumura D, Nishihata Y, Mizuki J, Takeshita N, Gauzzi A, Nohara M, Takagi H. Anomalous metallic state in the vicinity of metal to valence-bond solid insulator transition in LiVS2. PHYSICAL REVIEW LETTERS 2009; 103:146405. [PMID: 19905589 DOI: 10.1103/physrevlett.103.146405] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2009] [Indexed: 05/28/2023]
Abstract
We investigate LiVS2 and LiVSe2 with a triangular lattice as itinerant analogues of LiVO2 known for the formation of a valence-bond solid (VBS) state out of an S=1 frustrated magnet. LiVS2, which is located at the border between a metal and a correlated insulator, shows a first order transition from a paramagnetic metal to a VBS insulator at Tc approximately 305 K upon cooling. The presence of a VBS state in the close vicinity of insulator-metal transition may suggest the importance of itinerancy in the formation of a VBS state. We argue that the high temperature metallic phase of LiVS2 has a pseudogap, likely originating from the VBS fluctuation. LiVSe2 was found to be a paramagnetic metal down to 2 K.
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Tomizawa H, Neyatani N, Takagi H, Fujii R, Makinoda S. O941 Usefulness of G-CSF in the treatment of luteinized unruptured follicle (LUF). Int J Gynaecol Obstet 2009. [DOI: 10.1016/s0020-7292(09)61314-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Hashizume H, Sato K, Takagi H, Kanda D, Kashihara T, Kiso S, Mori M. Werner syndrome as a possible cause of non-alcoholic steatohepatitis. J Clin Pathol 2009; 62:1043-5. [PMID: 19720629 DOI: 10.1136/jcp.2009.070680] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Non-alcoholic steatohepatitis (NASH) is characterised by steatosis, liver cell injuries, the presence of a mixed inflammatory lobular infiltrate, and variable degrees of fibrosis. Werner syndrome (WS) is a rare autosomal recessive disease characterised by the premature onset of multiple age-related disorders. Central obesity and insulin resistance are common symptoms of both NASH and WS. Three cases were studied to evaluate the association between WS and NASH. NASH was diagnosed by liver biopsies and imaging studies following the exclusion of alcohol consumption, viral disease or autoimmune liver disease. Liver histology was compatible with NASH in all cases. Liver dysfunction, hyperlipidaemia, insulin resistance and regional increase of intra-abdominal fat even though the body mass indices were all normal or low, were observed. Metabolic disorders due to WS may complicate and cause NASH. Hence, the observed clinical association between WS and NASH suggests that patients with WS should also be screened for NASH.
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Wakisaka Y, Sudayama T, Takubo K, Mizokawa T, Arita M, Namatame H, Taniguchi M, Katayama N, Nohara M, Takagi H. Excitonic insulator state in Ta2NiSe5 probed by photoemission spectroscopy. PHYSICAL REVIEW LETTERS 2009; 103:026402. [PMID: 19659224 DOI: 10.1103/physrevlett.103.026402] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2009] [Indexed: 05/28/2023]
Abstract
We report on a photoemission study of Ta2NiSe5 that has a quasi-one-dimensional structure and an insulating ground state. Ni 2p core-level spectra show that the Ni 3d subshell is partially occupied and the Ni 3d states are heavily hybridized with the Se 4p states. In angle-resolved photoemission spectra, the valence-band top is found to be extremely flat, indicating that the ground state can be viewed as an excitonic insulator state between the Ni 3d-Se 4p hole and the Ta 5d electron. We argue that the high atomic polarizability of Se plays an important role to stabilize the excitonic state.
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Furui T, Imai A, Takagi A, Tamaya T, Takagi H, Matsunami K, Shiraki S. Differential efficacy of gonadotropin-releasing hormone (GnRH) agonist treatment on pedunculated and degenerated myomas: a retrospective study of 630 women. J OBSTET GYNAECOL 2009; 20:504-6. [PMID: 15512637 DOI: 10.1080/014436100434703] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
This study was designed to compare the anatomical location of myomas (submucous, intramural, subserous, or cervical), whether pedunculated or non-pedunculated if degenerated or undegenerated and relating these findings to myoma volume reduction in women treated with gonadotropin-releasing hormone agonist (GnRHa). Our retrospective study group included 630 patients with symptoms attributed to fibroids. They were treated with a single GnRH agonist for 20 weeks and the size of the myoma was monitored by magnetic resonance imaging and/or ultrasonographic scan. During a 20 week-treatment, submucous, intramural, or subserous fibroids showed an overall reduction of 63% (P<0.01) with little variation between these types. No reduction in size was seen in cases of pedunculated, degenerated, or cervical myomas. These data suggest that GnRH agonist therapy might be used primarily for non-pedunculated and undegenerated myomas.
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Takagi H, Manabe H, Kawai N, Goto SN, Umemoto T. Circulating lipoprotein(a) concentrations and abdominal aortic aneurysm presence. Interact Cardiovasc Thorac Surg 2009; 9:467-70. [DOI: 10.1510/icvts.2009.208843] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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182
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Iguchi S, Hanasaki N, Kinuhara M, Takeshita N, Terakura C, Taguchi Y, Takagi H, Tokura Y. Emergence of a diffusive metal state with no magnetic order near the Mott transition in frustrated pyrochlore-type molybdates. PHYSICAL REVIEW LETTERS 2009; 102:136407. [PMID: 19392382 DOI: 10.1103/physrevlett.102.136407] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2008] [Indexed: 05/27/2023]
Abstract
The electron-correlation driven metal-insulator (Mott) transition in pyrocholore-type R2Mo2O7(R being rare-earth-metal ions) is accompanied by the change of the magnetic state from ferromagnetic to spin glass due to the competing double-exchange and superexchange interactions on the frustrated lattice. By application of high pressures on the compounds with Mott criticality, however, a new unique paramagnetic metal phase is observed to show up with nearly temperature-independent high resistivity close to the Ioffe-Regel limit. A possible non-Fermi-liquid character of this anomalously diffuse metallic state is argued in terms of the extended double-exchange model with the magnetically frustrated local S=1/2 spins.
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Cyr-Choinière O, Daou R, Laliberté F, LeBoeuf D, Doiron-Leyraud N, Chang J, Yan JQ, Cheng JG, Zhou JS, Goodenough JB, Pyon S, Takayama T, Takagi H, Tanaka Y, Taillefer L. Enhancement of the Nernst effect by stripe order in a high-Tc superconductor. Nature 2009; 458:743-5. [DOI: 10.1038/nature07931] [Citation(s) in RCA: 117] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2008] [Accepted: 02/23/2009] [Indexed: 11/09/2022]
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Irizawa A, Shimai K, Sato K, Iizuka K, Nishiyama M, Nanba T, Niitaka S, Takagi H. Observation of charge ordering state in LiV2O4investigated by optical study. ACTA ACUST UNITED AC 2009. [DOI: 10.1088/1742-6596/150/4/042070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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185
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Kim BJ, Ohsumi H, Komesu T, Sakai S, Morita T, Takagi H, Arima T. Phase-sensitive observation of a spin-orbital Mott state in Sr2IrO4. Science 2009; 323:1329-32. [PMID: 19265017 DOI: 10.1126/science.1167106] [Citation(s) in RCA: 286] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Measurement of the quantum-mechanical phase in quantum matter provides the most direct manifestation of the underlying abstract physics. We used resonant x-ray scattering to probe the relative phases of constituent atomic orbitals in an electronic wave function, which uncovers the unconventional Mott insulating state induced by relativistic spin-orbit coupling in the layered 5d transition metal oxide Sr2IrO4. A selection rule based on intra-atomic interference effects establishes a complex spin-orbital state represented by an effective total angular momentum = 1/2 quantum number, the phase of which can lead to a quantum topological state of matter.
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186
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Hanaguri T, Kohsaka Y, Ono M, Maltseva M, Coleman P, Yamada I, Azuma M, Takano M, Ohishi K, Takagi H. Coherence Factors in a High-
T
c
Cuprate Probed by Quasi-Particle Scattering Off Vortices. Science 2009; 323:923-6. [DOI: 10.1126/science.1166138] [Citation(s) in RCA: 100] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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187
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Cooper RA, Wang Y, Vignolle B, Lipscombe OJ, Hayden SM, Tanabe Y, Adachi T, Koike Y, Nohara M, Takagi H, Proust C, Hussey NE. Anomalous criticality in the electrical resistivity of La2-xSrxCuO4. Science 2008; 323:603-7. [PMID: 19074310 DOI: 10.1126/science.1165015] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The presence or absence of a quantum critical point and its location in the phase diagram of high-temperature superconductors have been subjects of intense scrutiny. Clear evidence for quantum criticality, particularly in the transport properties, has proved elusive because the important low-temperature region is masked by the onset of superconductivity. We present measurements of the low-temperature in-plane resistivity of several highly doped La2-xSrxCuO4 single crystals in which the superconductivity had been stripped away by using high magnetic fields. In contrast to other quantum critical systems, the resistivity varies linearly with temperature over a wide doping range with a gradient that scales monotonically with the superconducting transition temperature. It is maximal at a critical doping level (pc) approximately 0.19 at which superconductivity is most robust. Moreover, its value at pc corresponds to the onset of quasi-particle incoherence along specific momentum directions, implying that the interaction that first promotes high-temperature superconductivity may ultimately destroy the very quasi-particle states involved in the superconducting pairing.
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188
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Iikubo S, Kodama K, Takenaka K, Takagi H, Takigawa M, Shamoto S. Local lattice distortion in the giant negative thermal expansion material Mn3Cu1-xGexN. PHYSICAL REVIEW LETTERS 2008; 101:205901. [PMID: 19113356 DOI: 10.1103/physrevlett.101.205901] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2008] [Revised: 08/27/2008] [Indexed: 05/26/2023]
Abstract
Giant negative thermal expansion is achieved in antiperovskite manganese nitrides when the sharp volume change associated with magnetic ordering is broadened by substitution. In this Letter, we address the unique role of the ''magic" element, Ge, for such broadening in Mn3Cu1-xGexN. We present evidence for a local lattice distortion well described by the low-temperature tetragonal (T4) structure of Mn3GeN for a range of x, where the overall structure remains cubic. This structural instability shows a strong correlation with the broadness of the growth of the ordered magnetic moment and, hence, is considered to trigger the broadening of the volume change.
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189
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Takagi H, Numazaki M, Kajiwara T, Abe Y, Ishii M, Kato C, Kojima N. Cooperation of specific ICAM-3 grabbing nonintegrin-related 1 (SIGNR1) and complement receptor type 3 (CR3) in the uptake of oligomannose-coated liposomes by macrophages. Glycobiology 2008; 19:258-66. [DOI: 10.1093/glycob/cwn128] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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190
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Smith RP, Sutherland M, Lonzarich GG, Saxena SS, Kimura N, Takashima S, Nohara M, Takagi H. Marginal breakdown of the Fermi-liquid state on the border of metallic ferromagnetism. Nature 2008. [DOI: 10.1038/nature07401] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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191
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Ooto S, Kimura D, Itoi K, Mukuno H, Kusuhara S, Miyamoto N, Akimoto M, Takagi H. Suprachoroidal fluid as a complication of 23-gauge vitreous surgery. Br J Ophthalmol 2008; 92:1433-4. [DOI: 10.1136/bjo.2007.133462] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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192
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Takagi H. Liquid state of spins and charges in geometrically frustrated spinel oxides. Acta Crystallogr A 2008. [DOI: 10.1107/s010876730809510x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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193
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Dragoe N, Pinsard-Gaudart L, Niitaka S, Itie JP, Chervin JC, Lagarde P, Flank AM, Takagi H. High-pressure induced charge ordering in lithium vanadate spinel. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308096839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
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194
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Takagi H, Manabe H, Kawai N, Goto SN, Umemoto T. Impact of preoperative statin therapy on adverse postoperative outcomes in patients undergoing cardiac surgery: a meta-analysis of over 30 000 patients. Eur Heart J 2008; 29:2443; author reply 2443-4. [DOI: 10.1093/eurheartj/ehn351] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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195
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Kusuhara S, Ooto S, Kimura D, Itoi K, Mukuno H, Miyamoto N, Akimoto M, Kuriyama S, Takagi H. Outcomes of 23- and 25-gauge transconjunctival sutureless vitrectomies for idiopathic macular holes. Br J Ophthalmol 2008; 92:1261-4. [PMID: 18614566 DOI: 10.1136/bjo.2008.140533] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND/AIMS To assess the outcomes of 23-gauge sutureless transconjunctival vitrectomies (TSV), as compared with 25-gauge TSV in macular hole surgeries. METHODS A retrospective, consecutive, interventional case series of 47 eyes with idiopathic macular holes treated by 23- or 25-gauge TSV were analysed. RESULTS The operative time was 37.2 (SD 8.9) min with 23-gauge TSV and 34.2 (8.7) min with 25-gauge TSV (p = 0.388). The anatomical success rate was 96% with 23-gauge TSV and 92% with 25-gauge TSV (p>0.999). The logarithm of the minimum angle of resolution of best-corrected visual acuity (BCVA) at the sixth postoperative month was 0.19 (0.16) with 23-gauge TSV and 0.19 (0.25) with 25-gauge TSV (p = 0.521). Postoperative improvement in BCVA was comparable between the two TSVs. IOP on postoperative day 1 was lower with 25-gauge TSV (12.3 (4.9) mm Hg) than with 23-gauge TSV (17.4 (5.8) mm Hg) (p = 0.036). Complications included retinal break, intraoperative bleeding and slippage of the infusion cannula with 23-gauge TSV, while retinal detachment and postoperative hypotony occurred in the 25-gauge TSV group (p = 0.570). CONCLUSION 23-gauge TSV appears to be as safe and effective as 25-gauge TSV in macular hole surgery.
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196
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Hossain MA, Hu Z, Haverkort MW, Burnus T, Chang CF, Klein S, Denlinger JD, Lin HJ, Chen CT, Mathieu R, Kaneko Y, Tokura Y, Satow S, Yoshida Y, Takagi H, Tanaka A, Elfimov IS, Sawatzky GA, Tjeng LH, Damascelli A. Crystal-field level inversion in lightly Mn-doped Sr3Ru2O7. PHYSICAL REVIEW LETTERS 2008; 101:016404. [PMID: 18764131 DOI: 10.1103/physrevlett.101.016404] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2008] [Indexed: 05/26/2023]
Abstract
Sr3(Ru(1-x)Mnx)2O7, in which 4d-Ru is substituted by the more localized 3d-Mn, is studied by x-ray dichroism and spin-resolved density functional theory. We find that Mn impurities do not exhibit the same 4+ valence of Ru, but act as 3+ acceptors; the extra eg electron occupies the in-plane 3d(x2-y2) orbital instead of the expected out-of-plane 3d(3z2-r2). We propose that the 3d-4d interplay, via the ligand oxygen orbitals, is responsible for this crystal-field level inversion and the material's transition to an antiferromagnetic, possibly orbitally ordered, low-temperature state.
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197
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Baba T, Yokoya T, Tsuda S, Kiss T, Shimojima T, Ishizaka K, Takeya H, Hirata K, Watanabe T, Nohara M, Takagi H, Nakai N, Machida K, Togashi T, Watanabe S, Wang XY, Chen CT, Shin S. Bulk electronic structure of the antiferromagnetic superconducting phase in ErNi2B2C. PHYSICAL REVIEW LETTERS 2008; 100:017003. [PMID: 18232808 DOI: 10.1103/physrevlett.100.017003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2006] [Indexed: 05/25/2023]
Abstract
We have performed temperature- (T-)dependent laser-photoemission spectroscopy of the antiferromagnetic (AF) superconductor ErNi2B2C to study the electronic-structure evolution reflecting the interplay between antiferromagnetism and superconductivity. The spectra at the superconducting (SC) phase show a very broad spectral shape. A T-dependent SC gap shows a sudden deviation from the BCS prediction just below TN. This observation can be explained well by the theoretical model and thus represents the characteristic bulk electronic structure of the AF SC phase for the first time.
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198
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Takagi H, Takenaka K, Kobayashi H, Koizumi M, Hirose Y, Obata Y, Goto H, Hattori T. New Monitoring System for Setting Position, and for Checking During Irradiation and in the Course of Radiotherapy. Int J Radiat Oncol Biol Phys 2007. [DOI: 10.1016/j.ijrobp.2007.07.2058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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199
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Jönsson PE, Takenaka K, Niitaka S, Sasagawa T, Sugai S, Takagi H. Correlation-driven heavy-fermion formation in LiV2O4. PHYSICAL REVIEW LETTERS 2007; 99:167402. [PMID: 17995290 DOI: 10.1103/physrevlett.99.167402] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2007] [Indexed: 05/25/2023]
Abstract
Optical reflectivity measurements were performed on a single crystal of the d-electron heavy-fermion (HF) metal LiV2O4. Our results evidence the highly incoherent charge dynamics above T* approximately 20 K and the redistribution of the spectral weight of the optical conductivity over broad energy scales ( approximately 5 eV) as the quantum coherence of the charge carriers is recovered. This reveals that LiV2O4 is close to a correlation-driven insulating state and indicates that, in sharp contrast to f-electron HF Kondo-lattice systems, strong electronic correlation effects dominate the heavy quasiparticle formation in LiV2O4.
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200
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Ichikawa T, Oh-I S, Kaira K, Kakizaki S, Sato K, Takagi H, Mori M. Education and imaging. Hepatobiliary and pancreatic: multifocal nodular hepatic steatosis associated with the metabolic syndrome. J Gastroenterol Hepatol 2007; 22:1693. [PMID: 17845699 DOI: 10.1111/j.1440-1746.2007.05148.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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