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2. Evaluation of electronic state of Cs-adsorbed clay minerals by NEXAFS analysis using DFT calculations

Author

Suzuki, C, Yaita, T, Suzuki, S, Pacold, J, Altman, AB, Minasian, SG, Tyliszczak, T, Shuh, DK, Yoshida, H, and Osaka, M

Subjects
Cesium, NEXAFS, Clay mineral, DFT calculation, Electronic state, Condensed Matter Physics, Physical Chemistry (incl. Structural), Materials Engineering, Physical Chemistry
Abstract

A combined analytical method of NEXAFS measurement and DFT-calculation was employed for the evaluation of Cs states in clay minerals. The measured Cs M4,5 NEXAFS spectra of Cs halides were analyzed using the DFT-calculations in order to establish the analytical methods. The NEXAFS spectra of the Cs halides were well reproduced by incorporating the core-hole strength. The Cs M4,5 NEXAFS spectrum of the clay minerals was well reproduced by the DFT-calculations including the major transitions and tail structures with the established method. Further evaluation of this spectrum by charge density analysis suggested that these major transitions and the tail structures likely reflect the bonding state and the local environment around the Cs atoms. Comparison of electronic states of Cs in the clay mineral with those in the Cs halides by DFT-calculations has shown that the interaction between Cs and the nearest-neighbor atom is largest in the clay mineral, which differs from those of Cs halides. This happened due to the energy level of Cs-5s and 5p, which was closer to that of O-2s and 2p than the s and p orbitals of other alkali metal and alkali earth metal elements.

Published
2019

5. List of contributors

Author

Barrachin, M., primary, Beneš, Ondřej, additional, Bruno, Jordi, additional, Burkes, Douglas, additional, Cambriani, Andrea, additional, Colle, Jean-Yves, additional, DelCul, Guillermo D., additional, Demkowicz, Paul, additional, Diaz-Maurin, François, additional, Dieste Blanco, Oliver, additional, Dumas, Jean-Christophe, additional, Duro, Lara, additional, Gouder, Thomas, additional, Griveau, Jean-Christophe, additional, Guéneau, Christine, additional, Haste, T., additional, Jacquemain, D., additional, Jaques, Brian, additional, Jue, Jan-Fong, additional, Kaye, Matthew H., additional, Keiser, Dennis D., additional, Konings, Rudy J.M., additional, Kurata, M., additional, Lipkina, Ksenia, additional, Manara, Dario, additional, Martel, Laura, additional, Meyer, Mitchell K., additional, Murchie, Michael P., additional, Nelson, Andrew T., additional, Osaka, M., additional, Piro, Markus H.A., additional, Reid, Simon J., additional, Seibert, Alice, additional, Shaber, Eric, additional, Smith, Anna L., additional, Souček, Pavel, additional, Spencer, Barry B., additional, Staicu, Dragos, additional, Vigier, Jean-François, additional, Walter, Olaf, additional, Wang, Lian C., additional, White, Joshua T., additional, Wiss, Thierry, additional, and Wood, Elizabeth Sooby, additional

Published
2020
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13. Two cases of catastrophic deterioration and multiple leaflet detachment in Trifecta valves

Author

Tsukada T, Osaka M, Suzuki Y, Hiramatsu Y, Mathis B, Imai N, Kaminishi Y, and Sakamoto H

Subjects
medicine.medical_specialty, Leaflet (botany), business.industry, cardiovascular system, Medicine, business, Surgery
Abstract

Reports of early and catastrophic acute structural valve deterioration (SVD) in Trifecta valves (Abbott, St Paul, MN, USA) with multiple leaflet detachment are rare. We encountered two cases of early SVD in Trifecta valves with tears on two leaflets. Both cases presented with acute heart failure because of aortic insufficiency and underwent redo aortic valve replacement; one patient died due to multiple organ failure caused by cardiogenic shock. Durability issues with valves necessitate long-term vigilance in aortic valve replacement patients.

Published
2021

17. Coordinated demethylation of H3K9 and H3K27 is required for rapid inflammatory responses of endothelial cells

Author

Higashijima, Y., Matsui, Y., Shimamura, T., Nakaki, R., Nagai, N., Tsutsumi, S., Abe, Y., Link, V. M., Osaka, M., Yoshida, M., Watanabe, R., Tanaka, T., Taguchi, A., Miura, M., Ruan, X., Li, G., Inoue, T., Nangaku, M., Kimura, Hiroshi, Furukawa, T., Aburatani, H., Wada, Y., Ruan, Y., Glass, C. K., and Kanki, Y.

Subjects
Male, Jumonji Domain-Containing Histone Demethylases, Endothelial Cells/cytology/*immunology/metabolism, repressive histone mark, endothelial dysfunction, Histones, Chromosome conformation capture, Mice, chromatin conformation, 0302 clinical medicine, Gene expression, Histone methylation, Gene Regulatory Networks, Histone Demethylases, Tumor Necrosis Factor-alpha/metabolism, 0303 health sciences, biology, General Neuroscience, Articles, Cell biology, Histone, histone demethylase, Tumor necrosis factor alpha, Jumonji Domain-Containing Histone Demethylases/*metabolism, Lysine/metabolism, Signal Transduction, super enhancer, Histone Demethylases/*metabolism, Methylation, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, Histone H3, microRNA, Cell Adhesion, Human Umbilical Vein Endothelial Cells, Animals, Humans, Enhancer, Molecular Biology, 030304 developmental biology, General Immunology and Microbiology, Tumor Necrosis Factor-alpha, Lysine, Endothelial Cells, MicroRNAs, Gene Expression Regulation, MicroRNAs/*genetics, biology.protein, Histones/chemistry/*metabolism, 030217 neurology & neurosurgery
Abstract

Histone H3 lysine‐9 di‐methylation (H3K9me2) and lysine‐27 tri‐methylation (H3K27me3) are linked to repression of gene expression, but the functions of repressive histone methylation dynamics during inflammatory responses remain enigmatic. Here, we report that lysine demethylases 7A (KDM7A) and 6A (UTX) play crucial roles in tumor necrosis factor (TNF)‐α signaling in endothelial cells (ECs), where they are regulated by a novel TNF‐α‐responsive microRNA, miR‐3679‐5p. TNF‐α rapidly induces co‐occupancy of KDM7A and UTX at nuclear factor kappa‐B (NF‐κB)‐associated elements in human ECs. KDM7A and UTX demethylate H3K9me2 and H3K27me3, respectively, and are both required for activation of NF‐κB‐dependent inflammatory genes. Chromosome conformation capture‐based methods furthermore uncover increased interactions between TNF‐α‐induced super enhancers at NF‐κB‐relevant loci, coinciding with KDM7A and UTX recruitments. Simultaneous pharmacological inhibition of KDM7A and UTX significantly reduces leukocyte adhesion in mice, establishing the biological and potential translational relevance of this mechanism. Collectively, these findings suggest that rapid erasure of repressive histone marks by KDM7A and UTX is essential for NF‐κB‐dependent regulation of genes that control inflammatory responses of ECs.

Published
2020

32. T-wave alternans and dispersion of the QT interval as risk stratification markers in patients susceptible to sustained ventricular arrhythmias

Author

Armoundas, A. A, Osaka, M, Mela, T, Rosenbaum, D. S, Ruskin, J. N, Garan, H, and Cohen, R. J

Subjects
Life Sciences (General)
Abstract

T-wave alternans and QT dispersion were compared as predictors of the outcome of electrophysiologic study and arrhythmia-free survival in patients undergoing electrophysiologic evaluation. T-wave alternans was a highly significant predictor of these 2 outcome variables, whereas QT dispersion was not.

Published
1998
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33. Nonlinear pattern analysis of ventricular premature beats by mutual information

Author

Osaka, M, Saitoh, H, Yokoshima, T, Kishida, H, Hayakawa, H, and Cohen, R. J

Subjects
Life Sciences (General)
Abstract

The frequency of ventricular premature beats (VPBs) has been related to the risk of mortality. However, little is known about the temporal pattern of occurrence of VPBs and its relationship to autonomic activity. Hence, we applied a general correlation measure, mutual information, to quantify how VPBs are generated over time. We also used mutual information to determine the correlation between VPB production and heart rate in order to evaluate effects of autonomic activity on VPB production. We examined twenty subjects with more than 3000 VPBs/day and simulated random time series of VPB occurrence. We found that mutual information values could be used to characterize quantitatively the temporal patterns of VPB generation. Our data suggest that VPB production is not random and VPBs generated with a higher value of mutual information may be more greatly affected by autonomic activity.

Published
1997

34. Changes in autonomic activity preceding onset of nonsustained ventricular tachycardia

Author

Osaka, M, Saitoh, H, Sasabe, N, Atarashi, H, Katoh, T, Hayakawa, H, and Cohen, R. J

Subjects
Life Sciences (General)
Abstract

Background: The triggering role of the autonomic nervous system in the initiation of ventricular tachycardia has not been established. To investigate the relationship between changes in autonomic activity and the occurrence of nonsustained ventricular tachycardia (NSVT) we examined heart rate variability (HRV) during the 2-hour period preceding spontaneous episodes of NSVT. Twenty-four subjects were identified retrospectively as having had one episode of NSVT during 24-hour Holter ECC recording. Methods: We measured the mean interval between normal heats (meanRR), the standard deviation of the intervals between beats (SD), the percentage of counts of sequential intervals between normal beats with a change of >50 ms (%RR50), the logarithms of low- and high-frequency spectral components (lnLF, lnHF) of HRV for sequential 10-minute segments preceding NSVT. The correlation dimension (CDim) of HRV was calculated similarly for sequential 20-minute segments. We assessed the significance of the time-course change of each marker over the 120-minute period prior to NSVT onset. Results: MeanRR (P < 0.05), lnLF (P < 0.0001), lnHF (P < 0.0001), the natural logarithm of the ratio of LF to HF (ln[LF/HF]; P < 0.05), and CDim (P < 0.05) showed significant time-course changes during that period, while SD and %RR50 did not. MeanRR, lnLF, lnHF, and CDim all decreased prior to the onset of NSVT, whereas ln(LF/HF) increased. We divided the subjects into two groups: one consisting of 12 patients with coronary artery disease; and the second group of 12 patients without known coronary artery disease. Both groups showed significant changes (P < 0.05) of CDim, lnLF, and lnHF preceding the episodes of NSVT. Conclusions: Changes in the pattern of HRV prior to the onset of episodes of NSVT suggest that changes in autonomic activity may commonly play a role in the triggering of spontaneous episodes of NSVT in susceptible patients. The measured changes suggest a reduction in parasympathetic activity, perhaps in conjunction with an increase in sympathetic activity, may trigger NSVT.

Published
1996

38. Dual pathway of carbon cluster formation in the laser vaporization.

Author

Moriwaki, T., Kobayashi, K., Osaka, M., Ohara, M., and Shiromaru, H.

Subjects
MICROCLUSTERS, CARBON
Abstract

Examines the dual pathway of carbon cluster formation in laser vaporization using covariance analysis and laser fluence dependence study. Ion distributions for the clusters; Origin of the clusters; Growth of clusters by the confinement and clustering in the buffer gas.

Published
1997
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40. Self-assembly of maltoheptaose-block-polystyrene into micellar nanoparticles and encapsulation of gold nanoparticles

Author

Otsuka, I., OSAKA, M., Sakai, Y., Travelet, C., Putaux, J.L., Borsali, R., Centre de Recherches sur les Macromolécules Végétales (CERMAV), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF), inconnu, and Inconnu

Subjects
ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2013

43. A prospective trial evaluating the ability of preoperative CT scan and serum CA-125 to predict suboptimal cytoreduction at primary debulking surgery for advanced ovarian, fallopian tube, and peritoneal cancer

Author

Suidan, R.S., primary, Ramirez, P.T., additional, Sarasohn, D., additional, Teitcher, J., additional, Mironov, S., additional, Iyer, R., additional, Zhou, Q., additional, Paul, H., additional, Osaka, M., additional, and Chi, D.S., additional

Published
2014
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44. Immune and inflammatory mechanisms

Author

Castellano, G., primary, Cafiero, C., additional, Divella, C., additional, Sallustio, F., additional, Gigante, M., additional, Gesualdo, L., additional, Kirsch, A. H., additional, Smaczny, N., additional, Riegelbauer, V., additional, Sedej, S., additional, Hofmeister, A., additional, Stojakovic, T., additional, Brodmann, M., additional, Pilger, E., additional, Rosenkranz, A., additional, Eller, K., additional, Eller, P., additional, Meier, P., additional, Lucisano, S., additional, Arena, A., additional, Donato, V., additional, Fazio, M. R., additional, Santoro, D., additional, Buemi, M., additional, Wornle, M., additional, Ribeiro, A., additional, Koppel, S., additional, Pircher, J., additional, Czermak, T., additional, Merkle, M., additional, Rupanagudi, K., additional, Kulkarni, O. P., additional, Lichtnekert, J., additional, Darisipudi, M. N., additional, Mulay, S. R., additional, Schott, B., additional, Hartmann, G., additional, Anders, H.-J., additional, Pletinck, A., additional, Glorieux, G., additional, Schepers, E., additional, Van Landschoot, M., additional, Eloot, S., additional, Van Biesen, W., additional, Vanholder, R., additional, Castoldi, A., additional, Oliveira, V., additional, Amano, M., additional, Aguiar, C., additional, Caricilli, A., additional, Vieira, P., additional, Burgos, M., additional, Hiyane, M., additional, Festuccia, W., additional, Camara, N., additional, Djudjaj, S., additional, Rong, S., additional, Lue, H., additional, Bajpai, A., additional, Klinkhammer, B., additional, Moeller, M., additional, Floege, J., additional, Bernhagen, J., additional, Ostendorf, T., additional, Boor, P., additional, Ito, S., additional, Aoki, R., additional, Hamada, K., additional, Edamatsu, T., additional, Itoh, Y., additional, Osaka, M., additional, Yoshida, M., additional, Oliva, E., additional, Maritati, F., additional, Palmisano, A., additional, Alberici, F., additional, Buzio, C., additional, Vaglio, A., additional, Grabulosa, C., additional, Cruz, E., additional, Carvalho, J., additional, Manfredi, S., additional, Canziani, M., additional, Cuppari, L., additional, Quinto, B., additional, Batista, M., additional, Cendoroglo, M., additional, Dalboni, M., additional, Niemir, Z., additional, Swierzko, A., additional, Polcyn-Adamczak, M., additional, Cedzynski, M., additional, Sokolowska, A., additional, Szala, A., additional, Baudoux, T., additional, Hougardy, J.-M., additional, Pozdzik, A., additional, Antoine, M.-H., additional, Husson, C., additional, De Prez, E., additional, Nortier, J., additional, Ni, H.-F., additional, Chen, J.-F., additional, Zhang, M.-H., additional, Pan, M.-M., additional, Liu, B.-C., additional, Machcinska, M., additional, Bocian, K., additional, Korczak-Kowalska, G., additional, Tami Amano, M., additional, Andrade-Oliveira, V., additional, da Silva, M., additional, Miyagi, M. Y. S., additional, Olsen Camara, N., additional, Xu, L., additional, Jin, Y., additional, Zhong, F., additional, Liu, J., additional, Dai, Q., additional, Wang, W., additional, Chen, N., additional, Grosjean, F., additional, Tribioli, C., additional, Esposito, V., additional, Catucci, D., additional, Azar, G., additional, Torreggiani, M., additional, Merlini, G., additional, Esposito, C., additional, Fell, L. H., additional, Zawada, A. M., additional, Rogacev, K. S., additional, Seiler, S., additional, Fliser, D., additional, Heine, G. H., additional, Neprintseva, N., additional, Tchebotareva, N., additional, Bobkova, I., additional, Kozlovskaya, L., additional, Virzi, G. M., additional, Brocca, A., additional, de Cal, M., additional, Bolin, C., additional, Vescovo, G., additional, Ronco, C., additional, Fuchs, A., additional, Eidenschink, K., additional, Steege, A., additional, Fellner, C., additional, Bollheimer, C., additional, Gronwald, W., additional, Schroeder, J., additional, Banas, B., additional, Banas, M. C., additional, Luthe, A., additional, Seiler, S. S., additional, Rogacev, K., additional, Trimboli, D., additional, Graziani, G., additional, Haroche, J., additional, Lupica, R., additional, Cernaro, V., additional, Montalto, G., additional, Pettinato, G., additional, Cho, E., additional, Lee, J.-W., additional, Kim, M.-G., additional, Jo, S.-K., additional, Cho, W.-Y., additional, and kim, H.-K., additional

Published
2013
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45. Vascular damage and access in CKD

Author

Yoshida, T., primary, Yamashita, M., additional, Hayashi, M., additional, Pletinck, A., additional, Glorieux, G., additional, Schepers, E., additional, Van Landschoot, M., additional, Van de Voorde, J., additional, Van Biesen, W., additional, Vanholder, R., additional, Yagi, Y., additional, Ito, S., additional, Goto, S., additional, Osaka, M., additional, Yoshida, M., additional, Pisoni, R., additional, Fuller, D., additional, Fluck, R., additional, Fort, J., additional, Locatelli, F., additional, Spergel, L., additional, Goodkin, D., additional, Port, F., additional, Robinson, B., additional, Wilson, S., additional, Robertson, J., additional, Chen, G., additional, Goel, P., additional, Benner, D., additional, Krishnan, M., additional, Mayne, T., additional, and Nissenson, A., additional

Published
2012
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46. Binding Energy of7ΛHe and Test of Charge Symmetry Breaking in the ΛN Interaction Potential

Author

Hashimoto, O, primary, Fujii, Y, additional, Honda, D, additional, Kaneta, M, additional, Kato, F, additional, Kawama, D, additional, Maruyama, N, additional, Matsumura, A, additional, Nakamura, S N, additional, Nomura, H, additional, Nonaka, K, additional, Ohtani, A, additional, Okayasu, Y, additional, Osaka, M, additional, Oyamada, M, additional, Sumihama, M, additional, Tamura, H, additional, Baker, O K, additional, Cole, L, additional, Christy, M, additional, Gueye, P, additional, Keppel, C, additional, Tang, L, additional, Yuan, L, additional, Acha, A, additional, Baturin, P, additional, Boeglin, W, additional, Kramer, L, additional, Markowitz, P, additional, Pamela, P, additional, Perez, N, additional, Raue, B, additional, Reinhold, J, additional, Rivera, R, additional, Kato, S, additional, Sato, Y, additional, Takahashi, T, additional, Daniel, A, additional, Hungerford, Ed V, additional, Ispiryan, M, additional, Kalantarians, N, additional, Lan, K J, additional, Li, Y, additional, Miyoshi, T, additional, Randeniya, S, additional, Rodriguez, V M, additional, Bosted, P, additional, Carlini, R, additional, Ent, R, additional, Fenker, H, additional, Gaskell, D, additional, Jones, M, additional, Mack, D, additional, Roche, J, additional, Smith, G, additional, Tvaskis, V, additional, Vulcan, W, additional, Wood, S, additional, Yan, C, additional, Asaturyan, A, additional, Asaturyan, R, additional, Egiyan, K, additional, Mkrtchyan, A, additional, Mkrtchyan, H, additional, Margaryan, A, additional, Marikyan, G, additional, Navasardyan, T, additional, Tadevosyan, V, additional, Zamkochian, S, additional, Hu, B, additional, Song, Y, additional, Luo, W, additional, Androic, D, additional, Furic, M, additional, Petkovic, T, additional, Seva, T, additional, Ahmidouch, A, additional, Danagoulian, S, additional, Gasparian, A, additional, Halkyard, R, additional, Johnston, K, additional, Simicevic, N, additional, Wells, S, additional, Niculescu, G, additional, Niculescu, M -I, additional, Gan, L, additional, Benmokhtar, F, additional, Horn, T, additional, Elaasar, M, additional, and Gibson, E F, additional

Published
2011
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48. Non invasive of risk stratification sudden cardiac death

Author

Watanabe, E., primary, Sobue, Y., additional, Osaka, M., additional, Ozaki, Y., additional, Kodama, I., additional, Tanabe, T., additional, Aizawa, Y., additional, Lousinha, A., additional, Oliveira, M., additional, Silva Cunha, P., additional, Nogueira Silva, M., additional, Lopes, J., additional, Silva, S., additional, Carlos, I., additional, Cruz Ferreira, R., additional, Chiladakis, I., additional, Kalogeropoulos, A., additional, Koutsogiannis, N., additional, Zagkli, F., additional, Arvanitis, P., additional, Alexopoulos, D., additional, Sepsi, M., additional, Kadlecova, V., additional, Zeman, M., additional, Sindler, M., additional, Gaillyova, R., additional, Vasku, A., additional, Kozak, M., additional, Krivan, L., additional, Talib, A., additional, Sato, N., additional, Nakagawa, N., additional, Sakamoto, N., additional, Takeuchi, T., additional, Kawamura, Y., additional, and Hasebe, N., additional

Published
2011
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