276
|
Ohmasa Y, Hoshino T, Osada R, Yao M. Bulk shear-mode contribution to thermally generated capillary waves on a room-temperature ionic-liquid surface. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2009; 79:061601. [PMID: 19658509 DOI: 10.1103/physreve.79.061601] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2008] [Revised: 04/06/2009] [Indexed: 05/28/2023]
Abstract
In the present work, we show that the autocorrelation function of the capillary-wave displacement is expressed by the sum of the ordinary oscillator and the bulk shear-mode terms. The former is expressed by a simple damped oscillator form or a sum of exponentially damping functions depending on the extent of damping. The latter is also written by superposition of exponentially damping modes, and an analytically exact formulation is obtained. We performed surface dynamic light-scattering experiment for the surface of an ionic liquid, 1-butyl- 3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide, and compared the experimental autocorrelation function with the theoretical one. We observed for the first time the bulk shear-mode contribution, and confirmed that the experimental data is well explained by the theoretical autocorrelation function.
Collapse
|
277
|
Liu XJ, Fukuzawa H, Prümper G, Okunishi M, Shimada K, Ueda K, Motomura K, Saito N, Iwayama H, Nagaya K, Yao M, Rudenko A, Ullrich J, Foucar L, Czasch A, Schmidt-Böcking H, Dörner R, Nagasono M, Higashiya A, Yabashi M, Ishikawa T, Ohashi H, Kimura H. Cold-target recoil-ion momentum spectroscopy for diagnostics of high harmonics of the extreme-ultraviolet free-electron laser light source at SPring-8. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2009; 80:053105. [PMID: 19485490 DOI: 10.1063/1.3126422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We have developed a cold-target recoil-ion momentum spectroscopy apparatus dedicated to the experiments using the extreme-ultraviolet light pulses at the free-electron laser facility, SPring-8 Compact SASE Source test accelerator, in Japan and used it to measure spatial distributions of fundamental, second, and third harmonics at the end station.
Collapse
|
278
|
Hsu YC, Liao WC, Wang HP, Yao M, Lin JT. Catastrophic gastrointestinal manifestations of post-transplant lymphoproliferative disorder. Dig Liver Dis 2009; 41:238-41. [PMID: 18083078 DOI: 10.1016/j.dld.2007.10.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2007] [Revised: 08/26/2007] [Accepted: 10/25/2007] [Indexed: 12/11/2022]
Abstract
Post-transplant lymphoproliferative disorder is a rare complication after bone marrow transplantation and frequently involves gastrointestinal tract, but the endoscopic characteristics and catastrophic clinical manifestations in adults have not been discussed in detail. We report a 35-year-old allogeneic bone marrow transplantation recipient who presented with recurrent gastrointestinal bleeding. Ulcerative nodular lesions were noted in stomach, duodenum and ileum on endoscopy but were not biopsied because of thrombocytopenia. Obstruction and perforation of small intestine occurred 5 months after bone marrow transplantation and was managed with surgery. Histopathology revealed the diagnosis of Epstein-Barr virus related post-transplant lymphoproliferative disorder. Rituximab was given after operation but repeated intestinal perforation supervened and resulted in mortality. The characteristic endoscopic and radiographic features are presented. Recognition of these characteristic endoscopic and radiographic findings with histological confirmation is crucial in making early diagnosis, and prompt treatment may prevent gastrointestinal complications and mortality.
Collapse
|
279
|
Chou WC, Chen CY, Hou HA, Lin LI, Tang JL, Yao M, Tsay W, Ko BS, Wu SJ, Huang SY, Hsu SC, Chen YC, Huang YN, Tseng MH, Huang CF, Tien HF. Acute myeloid leukemia bearing t(7;11)(p15;p15) is a distinct cytogenetic entity with poor outcome and a distinct mutation profile: comparative analysis of 493 adult patients. Leukemia 2009; 23:1303-10. [PMID: 19225539 DOI: 10.1038/leu.2009.25] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Acute myeloid leukemia (AML) with t(7;11)(p15;p15), which results in a NUP98-HOXA9 fusion, is a distinct entity, but this subtype has not been characterized in detail. In a comprehensive study comparing 11 such patients with another 482 adult patients, we found that those with t(7;11) were younger (P=0.0076) and female (P=0.0111), with almost all having the M2-subtype of AML (P<0.0001). Even when those with low-risk karyotypes were excluded, patients with t(7;11) had poorer overall survival than the other AML group (median 13.5 and 20 months, respectively, P=0.045) and poorer relapse-free survival (median 6 and 12 months, respectively, P=0.003). The NUP98-HOXA9 fusion was strongly associated with KRAS and WT1 mutations (P=0.015 and P=0.0018, respectively). We characterized four varieties of this fusion, among which NUP98 exon 12/HOXA9 exon 1b was present in all 11 patients. We developed a highly sensitive and specific assay to quantify the abundance of leukemic cells, and found that the fusion remained detectable in morphological complete remission, even after allogeneic stem cell transplantation, suggesting that this disease was highly refractory to very intensive treatment. AML with NUP98-HOXA9 fusion therefore appears to have a distinct clinical and biological profile, and should be regarded as a poor prognostic group.
Collapse
|
280
|
Osada R, Hoshino T, Okada K, Ohmasa Y, Yao M. Surface tension of room temperature ionic liquids measured by dynamic light scattering. J Chem Phys 2009; 130:184705. [DOI: 10.1063/1.3125182] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
|
281
|
Hoshino T, Ohmasa Y, Osada R, Yao M. Dispersion relation of capillary waves on ionic liquids: observation of the fast overdamped mode. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2008; 78:061604. [PMID: 19256850 DOI: 10.1103/physreve.78.061604] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2008] [Indexed: 05/27/2023]
Abstract
We measured the capillary wave spectra on the surface of ionic liquids using dynamic light scattering techniques. Empirical dispersion relations deduced from the time domain analysis clearly reveal the transition from oscillating to overdamped behavior with changing temperature and the wave vector. In particular, not only slow but also fast modes were observed in the overdamped regime. The empirical dispersion relations coincide with the theoretical dispersion relations deduced from the linearized Navier-Stokes equation when experimentally determined density, viscosity, and surface tension are assigned to the latter.
Collapse
|
282
|
Bagley R, Yao M, Kurtzberg L, Rubin H, Weber W, Pechan P, Brondyk W, Scaria A, Kaplan J, Teicher B. 48 POSTER sFLT01, an anti-angiogenic protein with antitumor activity. EJC Suppl 2008. [DOI: 10.1016/s1359-6349(08)71980-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
|
283
|
Lin PY, Yu CJ, Yao M, Ku SC, Lee LN, Yang PC. A patient with bronchiectasis presented with progressive dyspnoea and an unresolved right lower lung infiltrate. Thorax 2008; 63:876, 932. [PMID: 18820116 DOI: 10.1136/thx.2007.091736] [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]
|
284
|
Lu H, Yao M. Intensity Modulated Radiotherapy in the Treatment of Head and Neck Unknown Primary Cancer. Int J Radiat Oncol Biol Phys 2008. [DOI: 10.1016/j.ijrobp.2008.06.1328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
285
|
Han J, Tian P, Liu X, Yao M, Gu J. Inhibition of the growth of human hepatoma cell line bothin vitro andin vivo by transducing CKI genep21 ( WAF-1 ) with GE7 targeting gene delivery system. SCIENCE IN CHINA. SERIES C, LIFE SCIENCES 2008; 43:663-8. [PMID: 18726362 DOI: 10.1007/bf02882288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2000] [Indexed: 11/25/2022]
Abstract
The EGF receptor-mediated targeting gene delivery system GE7 was used to transduce exogenous genepCEP-p21 ( WAF-1 ) into human hepatocellular carcinoma cell bothin vitro andin vivo. Afterin vitro transduction of the exogenous gene, the growth of the cell lines SMMC-7721 and BEL-7402 was significantly inhibited compared with the control. On day 8 the inhibition rates of the above cell lines reached 56.0% and 66.7%, respectively. Thein vivo experiment showed that the growth of human hepatoma transplanted in nude mice injected with GE7 gene delivery system subcutaneously once a week for 3 weeks was remarkably inhibited compared with that of untransfected control. The average tumor weight of the experiment group was (0.083 +/-0.043) g, while that of the control group was (0.281 +/-0.173) g. The difference is significant (P<0.05). It was indicated that GE7 gene delivery system could efficiently transduce exogenous genepCEP-p21 ( WAF-1 ) into hepatoma cell with high EGF receptor expression, and inhibit the cell growth with high efficacy bothin vivo andin vitro.
Collapse
|
286
|
Tanaka Y, Sakamoto S, Kuroda M, Goda S, Gao YG, Tsumoto K, Hiragi Y, Yao M, Watanabe N, Ohta T, Tanaka I. Structural analysis of a giant cell wall-associated adhesion protein Ebh from Staphylococcus aureus. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308088818] [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
|
287
|
Itou H, Watanabe N, Yao M, Shirakihara Y, Tanaka I. Structural studies of the multidrug-responsible transcriptional repressor protein CgmR. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308090314] [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
|
288
|
Nakamura A, Yamane J, Yao M, Tanaka I. High-resolution structure of bacterial GatCAB reveals the C-tail domain structure in GatB. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308090089] [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
|
289
|
Chimnaronk S, Sakai J, Yao M, Tanaka I. Mechanistic insight into isopentenylation of the anticodon of tRNA viaa channel. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308090144] [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
|
290
|
Sakai N, Morita A, Ushijima Y, Yao M, Watanabe N, Tanaka I. Crystal structure analysis of the oligo-peptide binding protein OppA complexed with peptides. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308091071] [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
|
291
|
Kato K, Tanaka H, Sumizawa T, Yamashita E, Yoshimura M, Zhou Y, Yao M, Tanaka I, Iwasaki K, Tsukihara T. Structure of vault purified from rat liver. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308089113] [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
|
292
|
Iyaguchi D, Yao M, Watanabe N, Tanaka I, Nishihira J, Toyota E. Structural studies on the promoter recognition of transcription factor HNF-6. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308090363] [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
|
293
|
Tanaka I, Naganuma T, Yao M, Uchiumi T. The structure of archaeal ribosomal stalk complex. Acta Crystallogr A 2008. [DOI: 10.1107/s010876730809003x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
|
294
|
Yao M, Hu SQ, Tajima K, Gao YQ, Sunagawa N, Zhou Y, Shimura D, Munekata M, Tanaka I. A novel octamer structure of bacterial cellulose synthesis component AxCesD. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308089204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
|
295
|
Petreaca M, Yao M, Martins-Green M. 060
Signal Transduction Mechanisms of IL-8-Induced Endothelial Permeability. Wound Repair Regen 2008. [DOI: 10.1111/j.1067-1927.2005.130215bh.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
296
|
Feldman LE, Agulnik M, Salama J, Ortiz R, Yao M, Pytynia K, Epstein JB, Reisberg D, Minn A, Mundt A. Phase I study of induction chemotherapy followed by intensity-modulated radiation therapy (IMRT), accelerated fractionation (AF), simultaneous integrated boost (SIB), and concomitant high dose cisplatin for locally-advanced head and neck cancer (LAHNC). J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.6073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
|
297
|
Lu H, Yao M, Anderson K, Buatti J. Optically guided stereotactic radiotherapy for lacrimal sac tumors: a report on two cases. Technol Cancer Res Treat 2008; 7:35-40. [PMID: 18198922 DOI: 10.1177/153303460800700104] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Adjuvant radiation treatment is often offered for lacrimal sac tumors. However, due to the adjacent critical structures, conventional radiation technique may result in severe side effects. We have treated two patients with lacrimal sac tumors using optically guided stereotactic radiotherapy. One patient with lacrimal sac melanoma was treated with optical-guidance intensity-modulated radiotherapy (IMRT). The other with mixed transitional and squamous cell carcinoma was treated with optical-guidance 3-D conformal radiation. Dose volume analysis revealed excellent target coverage and sparing of critical structures. Both patients tolerated the treatment well with no significant acute or late side effects. One patient died of metastatic melanoma 30 months after radiation; another died of coexisting disease 41 months after radiation. Both had no clinical evidence of local recurrence at the time of death. Our report show that optically guided stereotactic radiotherapy is well tolerated. It offers excellent tumor coverage and sparing of critical structures. It can be used for tumors adjacent to radiation sensitive critical structures such as skull base tumors.
Collapse
|
298
|
Ohmasa Y, Hoshino T, Osada R, Yao M. Surface waves at the liquid–vapor interface of ionic liquid [bmim][TFSI]. Chem Phys Lett 2008. [DOI: 10.1016/j.cplett.2008.02.077] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
299
|
Murakami H, Iwayama H, Nagaya K, Yao M. Fragmentation channels of K-shell excited rare-gas clusters studied by multiple-ion coincidence momentum imaging. J Chem Phys 2008; 128:054303. [PMID: 18266446 DOI: 10.1063/1.2827131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Multiple-ion coincidence momentum imaging experiments were carried out for K-shell (1s) excited Ar clusters containing about 130 atoms and Kr clusters containing about 30, 90, and 160 atoms. The time-of-flight spectra reveal that the major products of the Coulomb explosion are singly charged ions. With increasing the number of charges generated in clusters, the momentum of monomer ions such as Ar(+) and Kr(+) increases, while that of cluster ions such as Ar(3) (+), Kr(2) (+), and Kr(3) (+) decreases. This observation indicates the site-specific decay process that the heavier ions appear in the central part of clusters. We have also investigated the momentum distribution in various fragmentation channels and the branching ratio of each channel at the Coulomb explosion. When the number N(coin) of coincidently detected ions is four, for example, the most frequent channel from Kr clusters containing 30 atoms is to emit simply four Kr(+) ions, but Kr(2) (+) ions participate in the fragmentation from the larger Kr clusters. The fragmentation channel in which two Ar(2) (+) ions are emitted becomes dominant with increasing N(coin), and the average momentum of Ar(2) (+) ion in this channel is larger than that in the channels where only single Ar(2) (+) is emitted.
Collapse
|
300
|
Huang TC, Ko BS, Tang JL, Hsu C, Chen CY, Tsay W, Huang SY, Yao M, Chen YC, Shen MC, Wang CH, Tien HF. Comparison of hypoplastic myelodysplastic syndrome (MDS) with normo-/hypercellular MDS by International Prognostic Scoring System, cytogenetic and genetic studies. Leukemia 2007; 22:544-50. [PMID: 18094713 DOI: 10.1038/sj.leu.2405076] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The differences in clinical features and prognosis between hypoplastic myelodysplastic syndrome (h-MDS) and normo-/hypercellular MDS (NH-MDS) remain unsettled. In this study, the characteristics of 37 h-MDS patients and 152 NH-MDS patients were compared. Peripheral-blood white blood cell counts and bone marrow blast percentage were lower in h-MDS patients than in NH-MDS patients (P=0.012 and 0.016, respectively). Refractory anemia (RA) was predominant (56.8%) in h-MDS, whereas RA with excess of blast (RAEB) was most common (44.7%) in NH-MDS. Chromosomal abnormalities -7/7q- occurred less frequently in h-MDS patients than in NH-MDS patients (0 vs 18.3%, P=0.022). There was no significant difference in the prevalence of mutations of RAS, AML1, JAK2, PTPN11, FLT3/ITD, and hypermethylation of SOCS1 and SHP1 between these two groups. International Prognostic Scoring System (IPSS) was ideal for predicting prognoses in h-MDS patients (P=0.002). In low- or intermediate-1 (Int-1)-risk MDS patients, h-MDS patients had a superior survival than NH-MDS patients (P=0.01). In conclusion, distinct from NH-MDS, h-MDS patients have different patterns of hemogram, distribution of French-American-British subtypes, cytogenetic changes and prognoses. IPSS is applicable in h-MDS as in NH-MDS. In patients with low- or Int-1-risk MDS, h-MDS patients have a better prognosis than NH-MDS patients.
Collapse
|