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Fukuda Y, Frampton CM, Hickling GJ. Evaluation of two visual birdscarers, the Peaceful Pyramid® and an eye‐spot balloon, in two vineyards. NEW ZEALAND JOURNAL OF ZOOLOGY 2008. [DOI: 10.1080/03014220809510117] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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152
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Kando M, Fukuda Y, Pirozhkov AS, Ma J, Daito I, Chen LM, Esirkepov TZ, Ogura K, Homma T, Hayashi Y, Kotaki H, Sagisaka A, Mori M, Koga JK, Daido H, Bulanov SV, Kimura T, Kato Y, Tajima T. Demonstration of laser-frequency upshift by electron-density modulations in a plasma wakefield. PHYSICAL REVIEW LETTERS 2007; 99:135001. [PMID: 17930598 DOI: 10.1103/physrevlett.99.135001] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2007] [Indexed: 05/25/2023]
Abstract
In a plasma wake wave generated by a high power laser, modulations of the electron density take the shape of paraboloidal dense shells, moving almost at the speed of light. A counterpropagating laser pulse is partially reflected from the shells, acting as relativistic flying mirrors, producing a time-compressed frequency-multiplied pulse due to the double Doppler effect. The counterpropagating laser pulse reflection from the plasma wake wave accompanied by its frequency multiplication (with a factor from 50 to 114) was detected in our experiment.
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Takeshita N, Katagiri Y, Shibui Y, Kitamura M, Fukuda Y, Morita M. Reproductive genetic counseling in patients with complex chromosomal rearrangement. Fertil Steril 2007. [DOI: 10.1016/j.fertnstert.2007.07.820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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154
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Kijima-Tanaka M, Kawanishi M, Fukuda Y, Suzuki S, Yagyu K. Molecular diversity of Photobacterium damselae ssp. piscicida from cultured amberjacks (Seriola spp.) in Japan by pulsed-field gel electrophoresis and plasmid profiles. J Appl Microbiol 2007; 103:381-9. [PMID: 17650198 DOI: 10.1111/j.1365-2672.2006.03257.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
AIMS This study deals with a pulsed-field gel electrophoresis (PFGE) for discriminating between the genetic variants of Photobacterium damselae ssp. piscicida, and characterizing of Japanese field isolates by PFGE together with plasmid profiles and antimicrobial resistances. METHODS AND RESULTS A total of 74 field isolates from cultured Japanese amberjacks were used for PFGE. SmaI and NotI enabled to clearly differentiate strains and we obtained 24 of combined PFGE profiles which were distinct from those of classical Japanese and USA reference strains, and classified them into three groups (Ia-Ic). By plasmid size, we could classify these field isolates into three plasmid types, pA-pC. The predominant PFGE-type Ia was closely associated with plasmid-type pA, and Ib showed a moderate association with pB. Ic was closely associated with pC, and multiresistant isolates were not observed in this type. Whole-genomic variations were also observed between isolates having identical detection areas, fish species and detection-date by PFGE. CONCLUSION Molecular diversity of P. damselae ssp. piscicida could be detected by PFGE, and some relations among the PFGE-type, plasmid-type and antimicrobial resistances were observed in Japanese field isolates. SIGNIFICANCE AND IMPACT OF THE STUDY This study indicated that some genetic transition might have occurred in P. damselae ssp. piscicida around the Japanese seas, and PFGE can be a valuable tool for the epidemiological study of this highly homogeneous subspecies.
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Kuwayama H, Asaka M, Sugiyama T, Fukuda Y, Aoyama N, Hirai Y, Fujioka T. Rabeprazole-based eradication therapy for Helicobacter pylori: a large-scale study in Japan. Aliment Pharmacol Ther 2007; 25:1105-13. [PMID: 17439512 DOI: 10.1111/j.1365-2036.2007.03298.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Large-scale studies of rabeprazole-based Helicobacter pylori eradication therapy have not been reported in Japan. AIMS To evaluate H. pylori eradication by rabeprazole-based therapy with reference to antibiotic susceptibility, CYP2C19 genotype, and rabeprazole and clarithromycin dosages. METHODS From 35 centres 479 H. pylori-positive patients with gastric or duodenal ulcer were randomized to four treatment groups: Group 1 (10 mg rabeprazole + 750 mg amoxicillin + 200 mg clarithromycin twice daily for 7 days); Group 2 (10 mg, 750 mg, 400 mg); Group 3 (20 mg, 750 mg, 200 mg) and Group 4 (20 mg, 750 mg, 400 mg). RESULTS Eradication rates were 86% (102 of 119), 89% (97 of 109), 91% (106 of 116) and 90% (104 of 115) for Groups 1-4, respectively. The eradication rate was 95% (360 of 379) for clarithromycin-susceptible strains, and 50% (30 of 60) for clarithromycin-resistant strains. The eradication rates were 88% (332 of 379) and 96% (77 of 80) in extensive metabolizers and poor metabolizers, respectively. CONCLUSIONS Rabeprazole-based therapies achieved 50% eradication of clarithromycin-resistant H. pylori, and even achieved good rates in extensive metabolizers. Accordingly, rabeprazole can be recommended as part of a first-line proton pump inhibitor-based triple therapy for H. pylori.
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Imamura Y, Yanagihara K, Fukuda Y, Kaneko Y, Seki M, Izumikawa K, Miyazaki Y, Hirakata Y, Sawa T, Wiener-Kronish JP, Kohno S. Effect of anti-PcrV antibody in a murine chronic airway Pseudomonas aeruginosa infection model. Eur Respir J 2007; 29:965-8. [PMID: 17301098 DOI: 10.1183/09031936.00147406] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Pseudomonas aeruginosa is one of the most important pathogens in patients with chronic airway conditions, such as cystic fibrosis and diffuse panbronchiolitis. Type III secretion system-mediated virulence factors contribute to the lung damage in chronic P. aeruginosa infection. The effects of the anti-PcrV immunoglobulin (Ig)G, which blocks the type III secretion system, were evaluated in a mouse model of chronic P. aeruginosa infection. On bacteriological examination, anti-PcrV IgG showed no bactericidal effects. On bronchoalveolar lavage fluid (BALF) analysis, total cell number and neutrophil ratios in the anti-PcrV IgG-treated groups were lower than those in the control group. In addition, macrophage inflammatory protein-2, tumour necrosis factor-alpha, and interleukin-beta concentrations in BALF were lower in the anti-PcrV IgG-treated groups when compared with controls. Plasma anti-PcrV IgG titre was elevated after administration of anti-PcrV IgG. Although plasma titre decreased gradually, a significant concentration was maintained during the experimental period. These data suggest that anti-PcrV immunoglobulin G reduces the inflammatory reaction caused by chronic Pseudomonas aeruginosa respiratory infection and may be useful in treating respiratory diseases.
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Kohmoto T, Fukui Y, Furue S, Nakayama K, Fukuda Y. Propagation of femtosecond light pulses in a dye solution: nonadherence to the conventional group velocity. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2006; 74:056603. [PMID: 17280002 DOI: 10.1103/physreve.74.056603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2006] [Indexed: 05/13/2023]
Abstract
Propagation of femtosecond light pulses in a resonant absorption medium is studied. The propagation time of the light pulses was measured in a dye solution by the optical-Kerr-gate method. Nonadherence to the conventional group velocity domega/dk , which is defined in weak absorption region, was found. The observed wavelength dependences of the group delay and the spectral change in the anomalous dispersion region are qualitatively in good agreement with the theoretical prediction obtained from the new definitions of group velocity, which can be clearly defined even in strong absorption region.
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Abe K, Hayato Y, Iida T, Ishihara K, Kameda J, Koshio Y, Minamino A, Mitsuda C, Miura M, Moriyama S, Nakahata M, Obayashi Y, Ogawa H, Shiozawa M, Suzuki Y, Takeda A, Takeuchi Y, Ueshima K, Higuchi I, Ishihara C, Ishitsuka M, Kajita T, Kaneyuki K, Mitsuka G, Nakayama S, Nishino H, Okumura K, Saji C, Takenaga Y, Totsuka Y, Clark S, Desai S, Dufour F, Kearns E, Likhoded S, Litos M, Raaf JL, Stone JL, Sulak LR, Wang W, Goldhaber M, Casper D, Cravens JP, Kropp WR, Liu DW, Mine S, Regis C, Smy MB, Sobel HW, Vagins MR, Ganezer KS, Hill JE, Keig WE, Jang JS, Kim JY, Lim IT, Scholberg K, Tanimoto N, Walter CW, Wendell R, Ellsworth RW, Tasaka S, Guillian E, Learned JG, Matsuno S, Messier MD, Ichikawa AK, Ishida T, Ishii T, Iwashita T, Kobayashi T, Nakadaira T, Nakamura K, Nitta K, Oyama Y, Suzuki AT, Hasegawa M, Kato I, Maesaka H, Nakaya T, Nishikawa K, Sasaki T, Sato H, Yamamoto S, Yokoyama M, Haines TJ, Dazeley S, Hatakeyama S, Svoboda R, Sullivan GW, Habig A, Gran R, Fukuda Y, Sato T, Itow Y, Koike T, Jung CK, Kato T, Kobayashi K, Malek M, McGrew C, Sarrat A, Terri R, Yanagisawa C, Tamura N, Sakuda M, Sugihara M, Kuno Y, Yoshida M, Kim SB, Yoo J, Ishizuka T, Okazawa H, Choi Y, Seo HK, Gando Y, Hasegawa T, Inoue K, Ishii H, Nishijima K, Ishino H, Watanabe Y, Koshiba M, Kielczewska D, Zalipska J, Berns HG, Shiraishi KK, Washburn K, Wilkes RJ. Measurement of atmospheric neutrino flux consistent with tau neutrino appearance. PHYSICAL REVIEW LETTERS 2006; 97:171801. [PMID: 17155460 DOI: 10.1103/physrevlett.97.171801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2006] [Indexed: 05/12/2023]
Abstract
A search for the appearance of tau neutrinos from nu(mu) <--> nu(tau) oscillations in the atmospheric neutrinos has been performed using 1489.2 days of atmospheric neutrino data from the Super-Kamiokande-I experiment. A best fit tau neutrino appearance signal of 138+/-48(stat)-32(+15)(syst) events is obtained with an expectation of 78+/-26(syst). The hypothesis of no tau neutrino appearance is disfavored by 2.4 sigma.
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Taha A, Linert W, Fukuda Y. FIVE-COORDINATED MIXED LIGAND NICKEL(II) COMPLEXES: THERMODYNAMIC AND SPECTROSCOPIC STUDIES OF SOLVATOCHROMIC AND THERMOCHROMIC PROPERTIES. J COORD CHEM 2006. [DOI: 10.1080/00958979308022746] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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160
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Katagiri Y, Fukuda Y, Shibui Y, Takeshita N, Abe Y, Morita M. P-85. Fertil Steril 2006. [DOI: 10.1016/j.fertnstert.2006.07.430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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161
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Miyamoto K, Koizumi R, Horn E, Fukuda Y. Crystal structure of μ3-chloro-μ3-hydroxo-tris(μ-chloro)tris(tetramethylethylenediamine) trinickel(II) iodide, [Ni3(C6H16N2)3Cl4(OH)]I. Z KRIST-NEW CRYST ST 2006. [DOI: 10.1524/ncrs.2006.0007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
AbstractC18H49Cl4IN6Ni3O, monoclinic, C12/c1 (no. 15), a = 33.562(7) Å, b = 12.220(2) Å, c = 18.849(4) Å, β = 117.70(3)°, V = 6844.7 Å3, Z = 8, Rgt(F) = 0.059, wRref(F) = 0.066, T = 273 K.
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Miyamoto K, Horn E, Fukuda Y. Crystal structure of fac-triaqua(acetonitrile)(N,N,N',N'-tetramethylethylenediamine)] nickel(II) dibromide, [Ni(H2O)3(CH3CN)(C6H16N2)][Br]2. Z KRIST-NEW CRYST ST 2006. [DOI: 10.1524/ncrs.2006.0009] [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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163
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Ishizaki M, Ishiwata T, Adachi A, Tamura N, Ghazizadeh M, Kitamura H, Sugisaki Y, Yamanaka N, Naito Z, Fukuda Y. Expression of nestin in rat and human glomerular podocytes. JOURNAL OF SUBMICROSCOPIC CYTOLOGY AND PATHOLOGY 2006; 38:193-200. [PMID: 17784648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Nestin is a neuroepithelial precursor cell marker expressed in a variety of human cell types during development. However, no information exists on the expression of nestin in mature glomeruli as well as during the glomerular development. Here, we examined nestin expression in rat and human glomerular tissues in quiescent states using RT-PCR and immunohistochemical methods. Nestin mRNA was detected in the rat glomeruli in parallel with its expression in developing rat brains. In the normal mature rat glomeruli, WT-1 positive cells expressed nestin. Co-expression of nestin and vimentin was observed in mature rat podocytes. Immunoelectron microscopy revealed nestin localization in the cell bodies and primary processes of podocytes. A similar expression pattern was observed for vimentin. In matured glomeruli, nestin was not expressed by mesangial and endothelial cells. In the newborn rat, early developing glomeruli (metanephric cap, metanephric vesicle, comma-shaped vesicle and S-shaped body phases) expressed nestin. In the capillary loop stage, Bowman's capsules also expressed nestin. Immunoelectron microscopy demonstrated that developing podocytes and endothelial cells in S-shaped phase glomeruli expressed nestin. Additionally, in immature glomeruli, the mesangial cells in capillary stage of glomerulus also expressed nexin. As in the rat, WT-1 positive cells in human glomeruli also expressed nestin and immunoelectron microscopy confirmed nestin expression in human glomerular podocytes. These results reveal that in normal condition nestin is expressed in several glomerular cell types at early stage of development and becomes confined to podocytes in mature glomeruli, thus implicating nestin in podocyte functions.
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Sherrill ME, Abdallah J, Csanak G, Dodd ES, Fukuda Y, Akahane Y, Aoyama M, Inoue N, Ueda H, Yamakawa K, Faenov AY, Magunov AI, Pikuz TA, Skobelev IY. Spectroscopic characterization of an ultrashort-pulse-laser-driven Ar cluster target incorporating both Boltzmann and particle-in-cell models. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2006; 73:066404. [PMID: 16906985 DOI: 10.1103/physreve.73.066404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2005] [Revised: 02/21/2006] [Indexed: 05/11/2023]
Abstract
A model that solves simultaneously both the electron and atomic kinetics was used to generate a synthetic He alpha and satellite x-ray spectra to characterize a high intensity ultrashort laser driven Ar cluster target experiment. In particular, level populations were obtained from a detailed collisional-radiative model where collisional rates were computed from a time varying electron distribution function obtained from the solution of the zero-dimensional Boltzmann equation. In addition, a particle-in-cell simulation was used to model the laser interaction with the cluster target and provided the initial electron energy distribution function (EEDF) for the Boltzmann solver. This study suggests that a high density average, <Na>high, of 3.2 x 10(20) cm(-3) was held by the system for a time, delta tau, of 5.7 ps, and during this time the plasma was in a highly nonequilibrium state in both the EEDF and the ion level populations.
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Yuan C, Fukuda Y, Kaneniwa M, Chen S, Cheng Y, Wang X, Konno K. Comparison of Gel-forming Properties of Silver Carp (Hypophthalmichthys molitrix) Surimi Prepared in Different Seasons. J Food Sci 2006. [DOI: 10.1111/j.1365-2621.2005.tb09961.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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166
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Yamamoto S, Zalipska J, Aliu E, Andringa S, Aoki S, Argyriades J, Asakura K, Ashie R, Berghaus F, Berns H, Bhang H, Blondel A, Borghi S, Bouchez J, Burguet-Castell J, Casper D, Catala J, Cavata C, Cervera A, Chen SM, Cho KO, Choi JH, Dore U, Espinal X, Fechner M, Fernandez E, Fukuda Y, Gomez-Cadenas J, Gran R, Hara T, Hasegawa M, Hasegawa T, Hayashi K, Hayato Y, Helmer RL, Hiraide K, Hosaka J, Ichikawa AK, Iinuma M, Ikeda A, Inagaki T, Ishida T, Ishihara K, Ishii T, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jeon EJ, Jeong IS, Joo KK, Jover G, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kato I, Kearns E, Kerr D, Kim CO, Khabibullin M, Khotjantsev A, Kielczewska D, Kim JY, Kim SB, Kitching P, Kobayashi K, Kobayashi T, Konaka A, Koshio Y, Kropp W, Kubota J, Kudenko Y, Kuno Y, Kurimoto Y, Kutter T, Learned J, Likhoded S, Lim IT, Loverre PF, Ludovici L, Maesaka H, Mallet J, Mariani C, Matsuno S, Matveev V, McConnel K, McGrew C, Mikheyev S, Minamino A, Mine S, Mineev O, Mitsuda C, Miura M, Moriguchi Y, Morita T, Moriyama S, Nakadaira T, Nakahata M, Nakamura K, Nakano I, Nakaya T, Nakayama S, Namba T, Nambu R, Nawang S, Nishikawa K, Nitta K, Nova F, Novella P, Obayashi Y, Okada A, Okumura K, Oser SM, Oyama Y, Pac MY, Pierre F, Rodriguez A, Saji C, Sakuda M, Sanchez F, Sarrat A, Sasaki T, Sato H, Scholberg K, Schroeter R, Sekiguchi M, Shiozawa M, Shiraishi K, Sitjes G, Smy M, Sobel H, Sorel M, Stone J, Sulak L, Suzuki A, Suzuki Y, Takahashi T, Takenaga Y, Takeuchi Y, Taki K, Takubo Y, Tamura N, Tanaka M, Terri R, T'jampens S, Tornero-Lopez A, Totsuka Y, Ueda S, Vagins M, Whitehead L, Walter CW, Wang W, Wilkes RJ, Yamada S, Yanagisawa C, Yershov N, Yokoyama H, Yokoyama M, Yoo J, Yoshida M. Improved search for nu(mu) --> nu(e) oscillation in a long-baseline accelerator experiment. PHYSICAL REVIEW LETTERS 2006; 96:181801. [PMID: 16712358 DOI: 10.1103/physrevlett.96.181801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2006] [Indexed: 05/09/2023]
Abstract
We performed an improved search for nu(mu) --> nu(e) oscillation with the KEK to Kamioka (K2K) long-baseline neutrino oscillation experiment, using the full data sample of 9.2 x 10(19) protons on target. No evidence for a nu(e) appearance signal was found, and we set bounds on the nu(mu) --> nu(e) oscillation parameters. At Deltam(2)=2.8 x 10(-3) eV(2), the best-fit value of the K2Knu(mu) disappearance analysis, we set an upper limit of sin(2)2theta(mue) < 0.13 at a 90% confidence level.
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Miyamoto Κ, Horn Ε, Fukuda Y. Crystal structure of μ3-chloro-μ3-hydroxo-tris(μ-chloro)tris(tetrainethyl- ethylenediamine)trinickel(II) triiodide, [Ni3(C6H16N2)3Cl4(OH)][I3]. Z KRIST-NEW CRYST ST 2006. [DOI: 10.1524/ncrs.2006.221.14.126] [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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168
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Miyamoto K, Horn E, Fukuda Y. Crystal structure of fac-triaqua(acetonitrile) (N,N,N',N'-tetramethyl- ethylenediamine)]nickel(II) dibromide, [Ni(H2O)3(CH3CN)(C6H16N2)][Br]2. Z KRIST-NEW CRYST ST 2006. [DOI: 10.1524/ncrs.2006.221.14.129] [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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169
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Miyamoto K, Koizumi R, Horn E, Fukuda Y. Crystal structure of μ3 - chloro - μ3 - hydroxo - tris (μ-chloro) tris (tetramethyl - ethylenediamine) trinickel (II) iodide,[Ni3(C6H16N2)Cl4(OH)]I. Z KRIST-NEW CRYST ST 2006. [DOI: 10.1524/ncrs.2006.221.14.123] [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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170
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Fukuda Y, Yanagihara K, Higashiyama Y, Miyazaki Y, Hirakata Y, Mukae H, Tomono K, Mizuta Y, Tsukamoto K, Kohno S. Effects of macrolides on pneumolysin of macrolide-resistant Streptococcus pneumoniae. Eur Respir J 2006; 27:1020-5. [PMID: 16455827 DOI: 10.1183/09031936.06.00116805] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
To clarify the discrepancy between increasing resistance and conservative clinical effects of macrolides on macrolide-resistant Streptococcus pneumoniae, the authors evaluated the effects of sub-minimum inhibitory concentrations of macrolides on pneumolysin. In vitro, S. pneumoniae was incubated with 1, 2 and 4 microg.mL(-1) of clarithromycin (CLR) and azithromycin (AZM) for 8 h. Western blot analysis and haemolytic assay were performed to examine the production and activities of pneumolysin. In vivo, mice were infected with S. pneumoniae intra-nasally and treated with CLR (40 or 200 mg.kg(-1) twice daily) or AZM (40 or 200 mg.kg(-1) once daily) orally for 7 days. After 72 h post-infection, western blot analysis was performed to examine pneumolysin production in lungs. Survival rates were observed for 10 days. In vitro, every concentration of macrolide inhibited pneumolysin production more than the control. CLR (2 and 4 microg.mL(-1)) and AZM (4 microg.mL(-1)) reduced the pneumolysin activities more than the control. In vivo, macrolides (200 mg.kg(-1)) reduced pneumolysin in murine lungs more than the control. CLR (40 and 200 mg.kg(-1)) and AZM (200 mg.kg(-1)) improved the survival rates more than the control. The study results show that sub-minimum inhibitory concentrations of macrolides reduced pneumolysin. This might be related to the effectiveness of macrolides against pneumonia caused by high-level macrolide-resistant Streptococcus pneumoniae. Further investigations are necessary to evaluate the effects of macrolides on macrolide-resistant Streptococcus pneumoniae.
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Fukuda Y, Soga H, Satoh H, Kitahara T, Yoshizuka N, Takema Y. Spectroscopic Characterization of Color Polymorphism in the Orbital Skin. Int J Cosmet Sci 2006. [DOI: 10.1111/j.1467-2494.2006.00301_3.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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172
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Fukuda Y, Niwa T. Thermoluminescence of terbium sensitised by samarium in CaF2. RADIATION PROTECTION DOSIMETRY 2006; 119:153-6. [PMID: 16581924 DOI: 10.1093/rpd/nci651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Thermoluminescence (TL) in sintered CaF2 doped with Tb4O7 has been studied for UV and X-ray irradiation. Three TL glow peaks for the Tb4O7 doped sample appeared in the temperature regions of about (1) 347-353 K, (2) 378-383 K and (3) 453-458 K, when heated at a rate of 20 K min(-1) after UV or X-ray irradiation at room temperature. It has been found that the 378 K peak intensity of the samples co-doped with Tb4O7 and Sm2O3 became stronger when compared with those doped with only terbium or samarium ions, and the TL peaks of (1) 347-353 K and (3) 453-458 K were not observed. The intensity of the 378 K peak of the co-doped sample was 12.9 times that of the sample doped only with Tb4O7. From the TL spectra and the excitation and emission spectra of photoluminescence for the CaF2 doped activators, it is concluded that the TL of Tb3+ ions is sensitised by the existence of Sm3+ ions. The 378 K TL peak may also be suitable for UV radiation dosimetry.
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Hasegawa M, Aliu E, Andringa S, Aoki S, Argyriades J, Asakura K, Ashie R, Berns H, Bhang H, Blondel A, Borghi S, Bouchez J, Burguet-Castell J, Casper D, Cavata C, Cervera A, Chen SM, Cho KO, Choi JH, Dore U, Espinal X, Fechner M, Fernandez E, Fukuda Y, Gomez-Cadenas J, Gran R, Hara T, Hasegawa T, Hayashi K, Hayato Y, Helmer RL, Hill J, Hiraide K, Hosaka J, Ichikawa AK, Iinuma M, Ikeda A, Inagaki T, Ishida T, Ishihara K, Ishii T, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jeon EJ, Jeong IS, Joo KK, Jover G, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kato I, Kearns E, Kerr D, Kim CO, Khabibullin M, Khotjantsev A, Kielczewska D, Kim JY, Kim SB, Kitching P, Kobayashi K, Kobayashi T, Konaka A, Koshio Y, Kropp W, Kubota J, Kudenko Y, Kuno Y, Kutter T, Learned J, Likhoded S, Lim IT, Loverre PF, Ludovici L, Maesaka H, Mallet J, Mariani C, Maruyama T, Matsuno S, Matveev V, Mauger C, McConnel K, McGrew C, Mikheyev S, Minamino A, Mine S, Mineev O, Mitsuda C, Miura M, Moriguchi Y, Morita T, Moriyama S, Nakadaira T, Nakahata M, Nakamura K, Nakano I, Nakaya T, Nakayama S, Namba T, Nambu R, Nawang S, Nishikawa K, Nitta K, Nova F, Novella P, Obayashi Y, Okada A, Okumura K, Oser SM, Oyama Y, Pac MY, Pierre F, Rodriguez A, Saji C, Sakuda M, Sanchez F, Sarrat A, Sasaki T, Sato H, Scholberg K, Schroeter R, Sekiguchi M, Sharkey E, Shiozawa M, Shiraishi K, Sitjes G, Smy M, Sobel H, Stone J, Sulak L, Suzuki A, Suzuki Y, Takahashi T, Takenaga Y, Takeuchi Y, Taki K, Takubo Y, Tamura N, Tanaka M, Terri R, T'jampens S, Tornero-Lopez A, Totsuka Y, Ueda S, Vagins M, Whitehead L, Walter CW, Wang W, Wilkes RJ, Yamada S, Yamamoto S, Yanagisawa C, Yershov N, Yokoyama H, Yokoyama M, Yoo J, Yoshida M, Zalipska J. Search for coherent charged pion production in neutrino-carbon interactions. PHYSICAL REVIEW LETTERS 2005; 95:252301. [PMID: 16384451 DOI: 10.1103/physrevlett.95.252301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2005] [Indexed: 05/05/2023]
Abstract
We report the result from a search for charged-current coherent pion production induced by muon neutrinos with a mean energy of 1.3 GeV. The data are collected with a fully active scintillator detector in the K2K long-baseline neutrino oscillation experiment. No evidence for coherent pion production is observed, and an upper limit of is set on the cross section ratio of coherent pion production to the total charged-current interaction at 90% confidence level. This is the first experimental limit for coherent charged pion production in the energy region of a few GeV.
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174
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Eveloy V, Ganesan S, Fukuda Y, Ji Wu, Pecht M. Are you ready for lead-free electronics? ACTA ACUST UNITED AC 2005. [DOI: 10.1109/tcapt.2005.859353] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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175
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Takagawa T, Tamura K, Takeda N, Tomita T, Ohda Y, Fukunaga K, Hida N, Ohnishi K, Hori K, Kosaka T, Fukuda Y, Ikeuchi H, Yamamura T, Miwa H, Matsumoto T. Association between IL-18 gene promoter polymorphisms and inflammatory bowel disease in a Japanese population. Inflamm Bowel Dis 2005; 11:1038-43. [PMID: 16306765 DOI: 10.1097/01.mib.0000182868.67025.b9] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Interleukin-18 (IL-18) is a pleiotropic cytokine that induces the production of interferon (IFN)-gamma and also to regulate Th2 cytokines. Recently, association studies between IL-18 gene promoter polymorphisms and several Th1- or Th2-mediated inflammatory diseases were reported. In inflammatory bowel diseases (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), recent evidence suggests that IL-18 is involved in the pathogenesis. METHODS Using DNA direct sequencing, we investigated IL-18 gene promoter polymorphisms at -607C/A and -137G/C. Allele, genotype, and haplotype frequencies were determined in 210 Japanese patients with UC, 205 patients with CD, and 212 controls. RESULTS In UC, the -137C allele frequency was significantly higher in the proctitis-type patients than in controls (Pc = 0.0068). The -137 genotype frequency was also significantly different in the proctitis-type patients than in controls (Pc = 0.032). No other allele and genotype frequencies were significantly associated with UC after Bonferroni correction. Furthermore, the frequency of haplotype 2 (-607A, -137C), which had a lower promoter activity and IFN-gamma mRNA level than the other haplotypes as previously reported, was significantly higher in the proctitis-type patients than in controls (Pc = 0.01). In CD, we could not find any significant differences. CONCLUSIONS IL-18 gene promoter polymorphisms may not be associated with disease susceptibility but related to the extent of disease in UC.
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176
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Honda K, Yamaguchi Y, Yamanaka Y, Yoshimatsu M, Fukuda Y, Fujishima A. Hydroxyl radical-related electrogenerated chemiluminescence reaction for a ruthenium tris(2,2′)bipyridyl/co-reactants system at boron-doped diamond electrodes. Electrochim Acta 2005. [DOI: 10.1016/j.electacta.2005.05.018] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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177
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Kobayashi T, Momoi N, Fukuda Y, Suzuki H. Percutaneous balloon valvuloplasty of both pulmonary and aortic valves in a neonate with pulmonary atresia and critical aortic stenosis. Pediatr Cardiol 2005; 26:839-42. [PMID: 16235008 DOI: 10.1007/s00246-005-0862-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
We report a case of hydrops fetalis originating from critical aortic stenosis and pulmonary atresia with intact ventricular septum that was diagnosed in utero by echocardiography. We performed a percutaneous balloon valvuloplasty of the bilateral semilunar valves on the 2nd day after birth. We used a stiff-ended guidewire to perforate the pulmonary valve. After valvuloplasty, the aortic valve pressure gradient decreased from 55 to 25 mmHg. The procedure was successful, and the patient's heart condition improved.
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178
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Fukuda Y, Nakamura K, Takano T. Reduced likelihood of cancer screening among women in urban areas and with low socio-economic status: a multilevel analysis in Japan. Public Health 2005; 119:875-84. [PMID: 16054179 DOI: 10.1016/j.puhe.2005.03.013] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2004] [Revised: 02/15/2005] [Accepted: 03/29/2005] [Indexed: 01/17/2023]
Abstract
OBJECTIVES To elucidate socio-economic predictors of participation in cancer screening in Japanese women, paying attention to regional variations. METHODS In a nationally representative sample of women aged 40--64 years (n=15,224) in Japan, the relationships of self-reported attendance at screening for stomach, colon, uterine and breast cancers with individual characteristics (marital status, occupation and household income) and regional variables (living in a metropolitan area or not, and per capita income) were examined using multilevel analysis. RESULTS The participation rate ranged from 21.6% for colon cancer to 32.5% for uterine cancer. Being married, employed and having a higher household income were significantly associated with a higher likelihood of cancer screening for all types of cancer: the adjusted odds ratio in the lowest income quintile ranged from 0.45 for uterine cancer to 0.53 for colon cancer compared with the highest income quintile. There was significant regional variance, and living in a metropolitan area and per capita income were associated with a reduced likelihood of cancer screening. CONCLUSIONS Women with lower socio-economic status and living in urban areas are less likely to participate in cancer screening in Japan. Cancer screening should be encouraged in urban areas, taking account of the socio-economic inequalities.
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179
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Fukuda Y, Fujimura T, Moriwaki S, Kitahara T. A new method to evaluate lower eyelid sag using three-dimensional image analysis. Int J Cosmet Sci 2005; 27:283-90. [DOI: 10.1111/j.1467-2494.2005.00282.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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180
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Takeshita N, Shibui Y, Fukuda Y, Katagiri Y, Abe Y, Kubo H. Preliminary Study for Quantification of mtDNA (Mitochondrial DNA) on Spermatozoa of Infertile Men. Fertil Steril 2005. [DOI: 10.1016/j.fertnstert.2005.07.546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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181
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Kudoh S, Nakamura S, Nakano T, Komuta K, Isobe T, Katakami N, Fukuda Y, Takada Y, Takada M, Fukuoka M, Ariyoshi Y. Irinotecan and etoposide for previously untreated extensive-disease small cell lung cancer: A phase II trial of West Japan Thoracic Oncology Group. Lung Cancer 2005; 49:263-9. [PMID: 16022921 DOI: 10.1016/j.lungcan.2005.01.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2004] [Revised: 12/20/2004] [Accepted: 01/05/2005] [Indexed: 11/29/2022]
Abstract
Irinotecan is a topoisomerase I inhibitor that is highly active against small cell lung cancer (SCLC). Etoposide is another drug that is effective for SCLC. Since combination of these two topoisomerase inhibitors revealed a synergistic effect in vitro and showed a safety in phase I study, we conducted a phase II study in patients with previously un-treated extensive disease (ED) SCLC to evaluate the efficacy and toxicity of this combination. Fifty patients with previously untreated ED-SCLC were enrolled. Irinotecan was administered intravenously at 60mg/m(2) on days 1, 8, and 15, while etoposide was given at 80mg/m(2) on days 2-4. Treatment was repeated every 4 weeks for four cycles. The overall response rate was 66.0%, with a complete response rate of 10.0%. The median survival time was 11.5 months and the 1- and 2-year survival rates were 43.2 and 14.4%, respectively. The major toxicity of this regimen was myelosuppression, including grade 3 or 4 neutropenia (62.9%), leukopenia (28.0%), and anemia (14%). The other grade 3 toxicity was diarrhea (2%). This irinotecan and etoposide regimen is active against ED-SCLC with relatively mild toxicity.
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182
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Miyamoto K, Koizumi R, Horn E, Fukuda Y. Refinement of the crystal structure of μ3-chloro-μ3-hydroxotris( μ-chloro)-tris[tetramethylethylenediaminenickel(II)] chloride, {[Ni(C6H16N2)]3Cl4OH}Cl. Z KRIST-NEW CRYST ST 2005. [DOI: 10.1524/ncrs.2005.220.14.236] [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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183
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Seki M, Yanagihara K, Higashiyama Y, Fukuda Y, Kaneko Y, Ohno H, Miyazaki Y, Hirakata Y, Tomono K, Kadota J, Tashiro T, Kohno S. Immunokinetics in severe pneumonia due to influenza virus and bacteria coinfection in mice. Eur Respir J 2005; 24:143-9. [PMID: 15293617 DOI: 10.1183/09031936.04.00126103] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Coinfections of bacteria and influenza are a major cause of excessive mortality during influenza epidemics. However, the mechanism of the synergy between influenza virus and bacteria are poorly understood. In this study, mice were inoculated with influenza virus, followed 2 days later by inoculation with Streptococcus pneumoniae. The kinetics of viral titres, bacterial numbers and the immune response (cytokine and chemokine production) were also analysed. Short-term survival correlated with pathological changes in the lungs of infected mice. Influenza virus or S. pneumoniae infection alone induced moderate pneumonia; however, severe bronchopneumonia with massive haemorrhage in coinfected mice, which caused death of these mice approximately 2 days after inoculation with S. pneumoniae, was noted. Intrapulmonary levels of inflammatory cytokines/chemokines, type-1 T-helper cell cytokines and Toll-like receptors, and the related mitogen-activated protein kinase signalling molecules (phosphorylated extracellular signal-regulated kinase -1 and - 2, p38 and c-Jun N-terminal kinase), were increased in coinfected mice. These results suggest that immune mediators, including cytokines and chemokines, through Toll-like receptors/mitogen-activated protein kinase pathways, play important roles in the pathology of coinfection caused by influenza virus and Streptococcus pneumoniae.
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MESH Headings
- Animals
- Base Sequence
- Biomarkers/analysis
- Blotting, Western
- Cyclooxygenase 2
- Disease Models, Animal
- Enzyme-Linked Immunosorbent Assay
- Membrane Glycoproteins/analysis
- Membrane Glycoproteins/metabolism
- Mice
- Mice, Inbred Strains
- Molecular Sequence Data
- Orthomyxoviridae/pathogenicity
- Pneumonia, Bacterial/immunology
- Pneumonia, Bacterial/mortality
- Pneumonia, Viral/immunology
- Pneumonia, Viral/mortality
- Polymerase Chain Reaction
- Probability
- Prostaglandin-Endoperoxide Synthases/analysis
- Prostaglandin-Endoperoxide Synthases/metabolism
- RNA, Messenger/biosynthesis
- Receptors, Cell Surface/analysis
- Receptors, Cell Surface/metabolism
- Severity of Illness Index
- Streptococcus pneumoniae/pathogenicity
- Survival Rate
- Toll-Like Receptors
- Up-Regulation
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184
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Aliu E, Andringa S, Aoki S, Argyriades J, Asakura K, Ashie R, Berns H, Bhang H, Blondel A, Borghi S, Bouchez J, Burguet-Castell J, Casper D, Cavata C, Cervera A, Cho KO, Choi JH, Dore U, Espinal X, Fechner M, Fernandez E, Fukuda Y, Gomez-Cadenas J, Gran R, Hara T, Hasegawa M, Hasegawa T, Hayashi K, Hayato Y, Helmer RL, Hill J, Hiraide K, Hosaka J, Ichikawa AK, Iinuma M, Ikeda A, Inagaki T, Ishida T, Ishihara K, Ishii T, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jeon EJ, Jeong IS, Joo K, Jover G, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kato I, Kearns E, Kerr D, Kim CO, Khabibullin M, Khotjantsev A, Kielczewska D, Kim JY, Kim S, Kitching P, Kobayashi K, Kobayashi T, Konaka A, Koshio Y, Kropp W, Kubota J, Kudenko Y, Kuno Y, Kutter T, Learned J, Likhoded S, Lim IT, Loverre PF, Ludovici L, Maesaka H, Mallet J, Mariani C, Maruyama T, Matsuno S, Matveev V, Mauger C, McConnel K, McGrew C, Mikheyev S, Minamino A, Mine S, Mineev O, Mitsuda C, Miura M, Moriguchi Y, Morita T, Moriyama S, Nakadaira T, Nakahata M, Nakamura K, Nakano I, Nakaya T, Nakayama S, Namba T, Nambu R, Nawang S, Nishikawa K, Nitta K, Nova F, Novella P, Obayashi Y, Okada A, Okumura K, Oser SM, Oyama Y, Pac MY, Pierre F, Rodriguez A, Saji C, Sakuda M, Sanchez F, Sarrat A, Sasaki T, Scholberg K, Schroeter R, Sekiguchi M, Sharkey E, Shiozawa M, Shiraishi K, Sitjes G, Smy M, Sobel H, Stone J, Sulak L, Suzuki A, Suzuki Y, Takahashi T, Takenaga Y, Takeuchi Y, Taki K, Takubo Y, Tamura N, Tanaka M, Terri R, T'Jampens S, Tornero-Lopez A, Totsuka Y, Ueda S, Vagins M, Walter CW, Wang W, Wilkes RJ, Yamada S, Yamamoto S, Yanagisawa C, Yershov N, Yokoyama H, Yokoyama M, Yoo J, Yoshida M, Zalipska J. Evidence for muon neutrino oscillation in an accelerator-based experiment. PHYSICAL REVIEW LETTERS 2005; 94:081802. [PMID: 15783876 DOI: 10.1103/physrevlett.94.081802] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2004] [Indexed: 05/24/2023]
Abstract
We present results for nu(mu) oscillation in the KEK to Kamioka (K2K) long-baseline neutrino oscillation experiment. K2K uses an accelerator-produced nu(mu) beam with a mean energy of 1.3 GeV directed at the Super-Kamiokande detector. We observed the energy-dependent disappearance of nu(mu), which we presume have oscillated to nu(tau). The probability that we would observe these results if there is no neutrino oscillation is 0.0050% (4.0 sigma).
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185
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Nakazawa M, Ohnishi T, Ohmae M, Chisoku H, Yui S, Iwai S, Sumi T, Fukuda Y, Kishino M, Yura Y. Phase II study of a novel oral formation of 5-fluorouracil in combination with low-dose cisplatin as preoperative chemotherapy of oral squamous cell carcinoma. INTERNATIONAL JOURNAL OF CLINICAL PHARMACOLOGY RESEARCH 2005; 25:115-22. [PMID: 16366419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
TS-1 is a novel oral 5-fluorouracil containing tegaful (prodrug of 5-FU) and two biochemical modulators. These modulators feature effect-enhancing and adverse reaction-reducing activity. We investigated the histological response and toxicities of combination chemotherapy with TS- 1 and low-dose cisplatin and evaluated its usefulness as preoperative chemotherapy Forty-four newly diagnosed patients with stage Il-IV oral squamous cell carcinoma were enrolled in this study from February 2002 to April 2004. Patients were administered TS-1 80 mg/m2/day (days 1-14) and cisplatin 5 mg/m2/day (days 1-5 and 8-12) followed by radical surgery within 2 weeks. The histopathological effect of chemotherapy, which was a surrogate endpoint of this trial, was evaluated with surgical or biopsy specimens. The rate of histological antitumor effect was as follows: complete response (CR) 36.4%, partial response (PR) 25.0%, minor response (MR) 18.1% and no change (NC) 20.5%. The rate of histological response (CR + PR) was 61.4%. The CR rate of effective cases was 59.3%. The main toxicities occurred in bone marrow and the digestive tract. The incidence of severe toxicity such as grade 3 or 4 was 4.5% in anemia, 9% in leukocytopenia, 11.4% in neutropenia, 4.5% in thrombocytopenia and 2.3% in anorexia, diarrhea and urticaria. Most patients showed no toxicity or mild toxicities. TS- 1 with low-dose cisplatin has highly effective antitumor activity and mild toxicities. In particular, the CR rate was very high. It is suggested that this regimen is suitable for neoadjuvant chemotherapy. We expect that this chemotherapy will contribute to avoidance of surgery for small tumors (stages I and II) and will enable function-preserving surgery for advanced tumors.
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186
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Hansen SB, Fournier KB, Faenov AY, Magunov AI, Pikuz TA, Skobelev IY, Fukuda Y, Akahane Y, Aoyama M, Inoue N, Ueda H, Yamakawa K. Measurement of 2l-nl' x-ray transitions from approximately 1 microm Kr clusters irradiated by high-intensity femtosecond laser pulses. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2005; 71:016408. [PMID: 15697736 DOI: 10.1103/physreve.71.016408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2004] [Indexed: 05/24/2023]
Abstract
X-ray line emission from 2l-nl' transitions in Ne-like Kr and nearby ions has been observed from approximately 1 microm Kr clusters irradiated by fs-scale laser pulses at the JAERI facility in Kyoto, Japan. The incident laser intensity reached 10(19) W/cm2, with pulse energies from 50 to 300 mJ and pulse durations from 30 to 500 fs. The dependence of the x-ray spectral features and intensity on the incident laser intensity is rather weak, indicating that the 1-2 ps cluster lifetimes limit the number of ions beyond Ne-like Kr that can be produced by collisional ionization. Lines from F- to Al-like Kr emitted from the cluster plasmas have been identified using data from the relativistic multiconfiguration flexible atomic code. A collisional-radiative model based on these data has been constructed and used to determine that the cluster plasma has electron densities near 10(22) cm(-3), temperatures of a few hundred eV, and hot electron fractions of a few percent.
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187
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Hasue F, Kuwaki T, Kisanuki YY, Yanagisawa M, Moriya H, Fukuda Y, Shimoyama M. Increased sensitivity to acute and persistent pain in neuron-specific endothelin-1 knockout mice. Neuroscience 2005; 130:349-58. [PMID: 15664691 DOI: 10.1016/j.neuroscience.2004.09.036] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/21/2004] [Indexed: 01/23/2023]
Abstract
Endothelin-1 (ET-1) exists in endothelial cells as well as a variety of other cell types. The presence of ET-1 and its receptors in neurons suggests its possible role as a neurotransmitter and/or neuromodulator. Studies utilizing exogenous ET-1 have suggested that ET-1 affects pain transmission. This study was designed to examine the possible role(s) of neuronal ET-1 in pain processing. We produced neuron-specific ET-1 knockout mice using the Cre/loxP system with a synapsin I promoter and examined the effects produced by the lack of neuronal ET-1 on pain behavior using common pain models and a model of stress-induced analgesia. In acute nociceptive pain models, paw withdrawal thresholds to radiant heat and mechanical stimuli applied with von Frey hairs were significantly lower in the knockout mice compared with control. This indicated that the absence of neuronal ET-1 leads to greater sensitivity to acute nociceptive stimuli. After inflammation was produced by intraplantar injection of carrageenan, there was a significantly greater degree of thermal hyperalgesia and mechanical allodynia in the knockout mice even after the difference in baseline values was compensated. Furthermore, in a neuropathic pain model produced by spinal nerve ligation, there was also a greater degree of mechanical allodynia in the knockout mice. Finally, in a swim-stress model, the magnitude of stress-induced analgesia was less in the knockout mice, indicating the involvement of neuronal ET-1 in stress-induced analgesia. The results suggest that there is a basal release of ET-1 from neurons that affect baseline pain thresholds as well as an additional release during persistent pain states that acts to suppress the pain. The involvement of neuronal ET-1 in stress-induced analgesia further suggests its role in endogenous pain inhibitory systems. To confirm that ET-1 is released in persistent pain states and to determine which part of the CNS is involved, we measured the concentrations of ET-1 before and after inducing peripheral inflammation in different parts of the CNS involved in endogenous pain inhibitory systems in normal mice. We found that ET-1 was increased in the hypothalamus while no significant increase was observed in the midbrain, medulla and spinal cord. The results of the present study suggest that neuronal ET-1 is involved in endogenous pain inhibitory control likely via pathways through the hypothalamus.
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188
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Miyamoto K, Murata F, Horn E, Fukuda Y. Crystal structure of tetramethylethylenediamino-bis(l-phenylbutane 1, 3-dionato)nickel(II),Ni(C6H16N2)(C10H9O2)2. Z KRIST-NEW CRYST ST 2005. [DOI: 10.1524/ncrs.2005.220.14.31] [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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189
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Pecht M, Fukuda Y, Rajagopal S. The Impact of Lead-Free Legislation Exemptions on the Electronics Industry. ACTA ACUST UNITED AC 2004. [DOI: 10.1109/tepm.2004.843150] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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190
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Ashie Y, Hosaka J, Ishihara K, Itow Y, Kameda J, Koshio Y, Minamino A, Mitsuda C, Miura M, Moriyama S, Nakahata M, Namba T, Nambu R, Obayashi Y, Shiozawa M, Suzuki Y, Takeuchi Y, Taki K, Yamada S, Ishitsuka M, Kajita T, Kaneyuki K, Nakayama S, Okada A, Okumura K, Ooyabu T, Saji C, Takenaga Y, Desai S, Kearns E, Likhoded S, Stone JL, Sulak LR, Walter CW, Wang W, Goldhaber M, Casper D, Cravens JP, Gajewski W, Kropp WR, Liu DW, Mine S, Smy MB, Sobel HW, Sterner CW, Vagins MR, Ganezer KS, Hill J, Keig WE, Jang JS, Kim JY, Lim IT, Ellsworth RW, Tasaka S, Guillian G, Kibayashi A, Learned JG, Matsuno S, Takemori D, Messier MD, Hayato Y, Ichikawa AK, Ishida T, Ishii T, Iwashita T, Kobayashi T, Maruyama T, Nakamura K, Nitta K, Oyama Y, Sakuda M, Totsuka Y, Suzuki AT, Hasegawa M, Hayashi K, Inagaki T, Kato I, Maesaka H, Morita T, Nakaya T, Nishikawa K, Sasaki T, Ueda S, Yamamoto S, Haines TJ, Dazeley S, Hatakeyama S, Svoboda R, Blaufuss E, Goodman JA, Sullivan GW, Turcan D, Scholberg K, Habig A, Fukuda Y, Jung CK, Kato T, Kobayashi K, Malek M, Mauger C, McGrew C, Sarrat A, Sharkey E, Yanagisawa C, Toshito T, Miyano K, Tamura N, Ishii J, Kuno Y, Nagashima Y, Takita M, Yoshida M, Kim SB, Yoo J, Okazawa H, Ishizuka T, Choi Y, Seo HK, Gando Y, Hasegawa T, Inoue K, Shirai J, Suzuki A, Koshiba M, Nakajima Y, Nishijima K, Harada T, Ishino H, Nishimura R, Watanabe Y, Kielczewska D, Zalipska J, Berns HG, Gran R, Shiraishi KK, Stachyra A, Washburn K, Wilkes RJ. Evidence for an oscillatory signature in atmospheric neutrino oscillations. PHYSICAL REVIEW LETTERS 2004; 93:101801. [PMID: 15447395 DOI: 10.1103/physrevlett.93.101801] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2004] [Indexed: 05/14/2023]
Abstract
Muon neutrino disappearance probability as a function of neutrino flight length L over neutrino energy E was studied. A dip in the L/E distribution was observed in the data, as predicted from the sinusoidal flavor transition probability of neutrino oscillation. The observed L/E distribution constrained nu(micro)<-->nu(tau) neutrino oscillation parameters; 1.9x10(-3)<Deltam(2)<3.0x10(-3) eV(2) and sin((2)2theta>0.90 at 90% confidence level.
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191
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Liu KZ, Suzuki Y, Fukuda Y. Surface analysis of(NH2)2CS-treated GaP(001) by AES and XPS. SURF INTERFACE ANAL 2004. [DOI: 10.1002/sia.1813] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Ahn MH, Aoki S, Ashie Y, Bhang H, Boyd S, Casper D, Choi JH, Fukuda S, Fukuda Y, Gran R, Hara T, Hasegawa M, Hasegawa T, Hayashi K, Hayato Y, Hill J, Ichikawa AK, Ikeda A, Inagaki T, Ishida T, Ishii T, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jang JS, Jeon EJ, Joo KK, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kato I, Kearns E, Kibayashi A, Kielczewska D, Kim BJ, Kim CO, Kim JY, Kim SB, Kobayashi K, Kobayashi T, Koshio Y, Kropp WR, Learned JG, Lim SH, Lim IT, Maesaka H, Maruyama T, Matsuno S, Mauger C, Mcgrew C, Minamino A, Mine S, Miura M, Miyano K, Morita T, Moriyama S, Nakahata M, Nakamura K, Nakano I, Nakata F, Nakaya T, Nakayama S, Namba T, Nambu R, Nishikawa K, Nishiyama S, Noda S, Obayashi Y, Okada A, Oyama Y, Pac MY, Park H, Saji C, Sakuda M, Sarrat A, Sasaki T, Sasao N, Scholberg K, Sekiguchi M, Sharkey E, Shiozawa M, Shiraishi KK, Smy M, Sobel HW, Stone JL, Suga Y, Sulak LR, Suzuki A, Suzuki Y, Takeuchi Y, Tamura N, Tanaka M, Totsuka Y, Ueda S, Vagins MR, Walter CW, Wang W, Wilkes RJ, Yamada S, Yamamoto S, Yanagisawa C, Yokoyama H, Yoo J, Yoshida M, Zalipska J. Search for electron neutrino appearance in a 250 km long-baseline experiment. PHYSICAL REVIEW LETTERS 2004; 93:051801. [PMID: 15323684 DOI: 10.1103/physrevlett.93.051801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2004] [Indexed: 05/24/2023]
Abstract
We present a search for electron neutrino appearance from accelerator-produced muon neutrinos in the K2K long-baseline neutrino experiment. One candidate event is found in the data corresponding to an exposure of 4.8 x 10(19) protons on target. The expected background in the absence of neutrino oscillations is estimated to be 2.4+/-0.6 events and is dominated by misidentification of events from neutral current pi(0) production. We exclude the nu(micro) to nu(e) oscillations at 90% C.L. for the effective mixing angle in the 2-flavor approximation of sin((2)2theta(microe)( approximately 1/2sin((2)2theta(13))>0.15 at Deltam(2)(microe)=2.8 x 10(-3) eV(2), the best-fit value of the nu(micro) disappearance analysis in K2K. The most stringent limit of sin((2)2theta(microe)<0.09 is obtained at Deltam(2)(microe)=6 x 10(-3) eV(2).
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193
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Teragawa H, Fukuda Y, Matsuda K, Ueda K, Higashi Y, Oshima T, Yoshizumi M, Chayama K. Relation between C reactive protein concentrations and coronary microvascular endothelial function. BRITISH HEART JOURNAL 2004; 90:750-4. [PMID: 15201242 PMCID: PMC1768328 DOI: 10.1136/hrt.2003.022269] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
OBJECTIVE To determine how C reactive protein (CRP), a sensitive marker of inflammation, is related to coronary endothelial function. DESIGN Changes in quantitative coronary angiographic findings and Doppler flow velocity measurements in response to locally infused acetylcholine were assessed. SETTING Tertiary cardiology centre. PATIENTS 46 patients with angiographically normal coronary arteries were divided into groups with normal (< or = 3 mg/l) or increased (> 3 mg/l) CRP concentrations. INTERVENTIONS Acetylcholine (3 and 30 microg/min) was infused into the left coronary ostium for two minutes. MAIN OUTCOME MEASURES Percentage change in diameter of epicardial coronary arteries and coronary blood flow (CBF) in response to acetylcholine; and correlations between these parameters and serum CRP concentrations. RESULTS 15 patients had increased CRP concentrations. The change in coronary artery diameter induced by acetylcholine infusion was similar between the groups but the increase in CBF induced by acetylcholine was smaller in patients with increased CRP concentrations (54.9% v 139.4% with acetylcholine 30 microg/min, p = 0.0030). Multivariate analysis identified increased CRP concentration as independently associated with attenuated CBF response to acetylcholine at 30 microg/min (p = 0.0078, R2 = 0.434). CONCLUSIONS These findings suggest that inflammation appears to be associated with impaired coronary endothelial function in resistance but not conduit vessels. The data suggest a close relation between chronic vascular inflammation and endothelial dysfunction in atherosclerosis.
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194
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Nishimura T, Nishida N, Komeda T, Fukuda Y, Nakao K. Integrity of acquired chromosomal alterations during the metastatic progression of human hepatocellular carcinoma detected by high-density comprehensive allelotype analysis. J Clin Oncol 2004. [DOI: 10.1200/jco.2004.22.90140.9551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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195
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Liu DW, Ashie Y, Fukuda S, Fukuda Y, Ishihara K, Itow Y, Koshio Y, Minamino A, Miura M, Moriyama S, Nakahata M, Namba T, Nambu R, Obayashi Y, Sakurai N, Shiozawa M, Suzuki Y, Takeuchi H, Takeuchi Y, Yamada S, Ishitsuka M, Kajita T, Kaneyuki K, Nakayama S, Okada A, Ooyabu T, Saji C, Desai S, Earl M, Kearns E, Messier MD, Stone JL, Sulak LR, Walter CW, Wang W, Barszczak T, Casper D, Cravens JP, Gajewski W, Kropp WR, Mine S, Smy MB, Sobel HW, Sterner CW, Vagins MR, Ganezer KS, Hill J, Keig WE, Kim JY, Lim IT, Ellsworth RW, Tasaka S, Kibayashi A, Learned JG, Matsuno S, Takemori D, Hayato Y, Ichikawa AK, Ishida T, Ishii T, Iwashita T, Kameda J, Kobayashi T, Maruyama T, Nakamura K, Nitta K, Oyama Y, Sakuda M, Totsuka Y, Suzuki AT, Hasegawa M, Hayashi K, Inagaki T, Kato I, Maesaka H, Morita T, Nakaya T, Nishikawa K, Sasaki T, Ueda S, Yamamoto S, Haines TJ, Dazeley S, Hatakeyama S, Svoboda R, Blaufuss E, Goodman JA, Guillian G, Sullivan GW, Turcan D, Scholberg K, Habig A, Ackermann M, Jung CK, Kato T, Kobayashi K, Martens K, Malek M, Mauger C, McGrew C, Sharkey E, Viren B, Yanagisawa C, Toshito T, Mitsuda C, Miyano K, Shibata T, Ishii J, Kajiyama Y, Kuno Y, Nagashima Y, Takita M, Yoshida M, Kim HI, Kim SB, Yoo J, Okazawa H, Ishizuka T, Choi Y, Seo HK, Gando Y, Hasegawa T, Inoue K, Shirai J, Suzuki A, Koshiba M, Hashimoto T, Nakajima Y, Nishijima K, Ishino H, Morii M, Nishimura R, Watanabe Y, Kielczewska D, Zalipska J, Gran R, Shiraishi KK, Washburn K, Wilkes RJ. Limits on the neutrino magnetic moment using 1496 days of Super-Kamiokande-I solar neutrino data. PHYSICAL REVIEW LETTERS 2004; 93:021802. [PMID: 15323899 DOI: 10.1103/physrevlett.93.021802] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2004] [Indexed: 05/24/2023]
Abstract
A search for a nonzero neutrino magnetic moment has been conducted using 1496 live days of solar neutrino data from Super-Kamiokande-I. Specifically, we searched for distortions to the energy spectrum of recoil electrons arising from magnetic scattering due to a nonzero neutrino magnetic moment. In the absence of a clear signal, we found micro(nu)</=(3.6x10(-10))micro(B) at 90% C.L. by fitting to the Super-Kamiokande day-night spectra. The fitting took into account the effect of neutrino oscillation on the shapes of energy spectra. With additional information from other solar neutrino and KamLAND experiments constraining the oscillation region, a limit of micro(nu)</=(1.1x10(-10))micro(B) at 90% C.L. was obtained.
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Yokoyama K, Teranishi Y, Toya Y, Shirai T, Fukuda Y, Aoyama M, Akahane Y, Inoue N, Ueda H, Yamakawa K, Yokoyama A, Yamada H, Yabushita A, Sugita A. Optimal control of ultrafast selection. J Chem Phys 2004; 120:9446-9. [PMID: 15267954 DOI: 10.1063/1.1752882] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Optimal laser control for ultrafast selection of closely lying excited states whose energy separation is smaller than the laser bandwidth is reported on the two-photon transition of atomic cesium; Cs(6S-->7D(J), J=5/2 and 3/2). Selective excitation was carried out by pulse shaping of ultrashort laser pulses which were adaptively modulated in a closed-loop learning system handling eight parameters representing the electric field. Two-color fluorescence from the respective excited states was monitored to measure the selectivity. The fitness used in the learning algorithm was evaluated from the ratio of the fluorescence yields. After fifty generations, a pair of nearly transform-limited pulses were obtained as an optimal pulse shape, proving the effectiveness of the "Ramsey fringes" mechanism. The contrast of the selection ratio was improved by approximately 30% from the simple "Ramsey fringes" experiment.
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197
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Yamakawa K, Akahane Y, Fukuda Y, Aoyama M, Inoue N, Ueda H, Utsumi T. Many-electron dynamics of a Xe atom in strong and superstrong laser fields. PHYSICAL REVIEW LETTERS 2004; 92:123001. [PMID: 15089668 DOI: 10.1103/physrevlett.92.123001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2003] [Revised: 07/08/2003] [Indexed: 05/24/2023]
Abstract
We report on detailed investigations of ionization dynamics of a Xe atom exposed to intense 800-nm pulses of 20-fs duration in the extensive intensity range from 10(13)-10(18) W/cm(2). Ion yields of Xe+-Xe20+ were observed as a function of laser intensity and compared with the results from a single active electron based Ammosov-Delone-Krainov model. Unexpected ionization probabilities for lower charge states and no interplay between the inner and outer shells by screening are inferred. Suppression of nonsequential ionization towards higher intensity and few optical cycle regimes is also proved.
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198
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Hori K, Fukuda Y, Tomita T, Kosaka T, Tamura K, Nishigami T, Kubota A, Shimoyama T. Intestinal goblet cell autoantibody associated enteropathy. J Clin Pathol 2003; 56:629-30. [PMID: 12890820 PMCID: PMC1770039 DOI: 10.1136/jcp.56.8.629] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This report describes a case of refractory enteropathy with circulating intestinal goblet cell autoantibodies (IGA). A 19 year old man with hyperthyroidism had suffered from protracted diarrhoea for nearly 10 years. Histological examination showed evidence of collagenous enterocolitis. The diarrhoea did not improve despite fasting under total parenteral nutrition. An immunofluorescence assay demonstrated IGA without anti-enterocyte autoantibodies, the hallmark of autoimmune enteropathy, although other criteria were fulfilled. None of 109 controls, including 55 cases of inflammatory bowel disease and one of lymphocytic colitis, had IGA. This case is considered to be a variant of autoimmune enteropathy, and might be a distinct entity.
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Nishida N, Nishimura T, Ito T, Komeda T, Fukuda Y, Nakao K. Chromosomal instability and human hepatocarcinogenesis. Histol Histopathol 2003; 18:897-909. [PMID: 12792902 DOI: 10.14670/hh-18.897] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Recently, many studies have identified losses and gains of several chromosomal loci in human hepatocellular carcinoma (HCC) with fine microsatellite analysis and comparative genomic hybridization. Although distribution of aberrant chromosomal arms differs among HCCs, loss of 1p, 4q, 6q, 8p, 9p, 10q, 13q, 16q and 17p, and gain of 1q, 6p, 8q, 17q and 20q have been recurrently reported, and loss of 4q and 16q seems to occur preferentially in hepatitis B virus-related HCCs. Accumulation of these aberrant chromosomal regions is associated with tumor progression, and some chromosomal aberrations, such as loss of 1p, are frequently identified in well-differentiated HCCs and also detected even in dysplastic nodule and cirrhotic nodule. This evidence suggests that chromosomal instability (CIN) emerges at an early stage during hepatocarcinogenesis and is successively inherent to tumor cells, resulting in acquisition of malignant phenotype. The molecular basis of CIN is beginning to be explored; however, several mechanisms may be involved for CIN of HCC.
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Fukuda Y, Isomoto H, Ohnita K, Omagari K, Mizuta Y, Murase K, Murata I, Moriuchi H, Kohno S. Impact of CagA status on serum gastrin and pepsinogen I and II concentrations in Japanese children with Helicobacter pylori infection. J Int Med Res 2003; 31:247-52. [PMID: 12964499 DOI: 10.1177/147323000303100401] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The study aimed to determine the association between cytotoxin-associated gene product (CagA), serum gastrin and pepsinogen levels in Japanese children infected with Helicobacter pylori. Three hundred children were enrolled in the study. H. pylori infection was assessed using an enzyme-linked immunosorbent assay, and CagA status was assessed using immunoblotting. Serum gastrin and pepsinogen concentrations were measured by radioimmunoassay. H. pylori seroprevalence was 12.3% (37/300) and CagA status was identified in 28/37 H. pylori-seropositive children (75.7%). Serum pepsinogen I and II levels were significantly higher in CagA-seropositive than CagA-seronegative children with H. pylori infection. There was no significant relationship between CagA seropositivity and serum gastrin levels. In conclusion, CagA status has a significant impact on serum pepsinogen levels, possibly through enhanced gastric mucosal inflammation.
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