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Moriue T, Yoneda K, Katsuura J, Matsuoka Y, Nakai K, Yokoi I, Matsuda Y, Nibu N, Miyamoto I, Demitsu T, Kubota Y. Planar xanthoma due to cholestasis in graft versus host disease. Br J Dermatol 2007; 156:1374-6. [PMID: 17535235 DOI: 10.1111/j.1365-2133.2007.07878.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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102
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Demitsu T, Yoneda K, Umemoto N, Azuma R, Kakurai M, Nishida J, Sadahira C, Kubota Y. Attenuated ubiquitination of molluscum bodies in agminated mollusca contagiosa associated with malignant lymphoma. J Eur Acad Dermatol Venereol 2007; 21:691-2. [PMID: 17447991 DOI: 10.1111/j.1468-3083.2006.01987.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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103
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Kon A, Ito N, Kudo Y, Nomura K, Yoneda K, Hanada K, Hashimoto I, Takagaki K. L457F missense mutation within the 2B rod domain of keratin 9 in a Japanese family with epidermolytic palmoplantar keratoderma. Br J Dermatol 2007; 155:624-6. [PMID: 16911293 DOI: 10.1111/j.1365-2133.2006.07358.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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104
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Kawauchi A, Yoneda K, Soh J, Naitoh Y, Mizutani Y, Miki T. MP-06.09. Urology 2006. [DOI: 10.1016/j.urology.2006.08.274] [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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105
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Soh J, Katsuyama M, Ushijima S, Naya Y, Ochiai A, Naitoh Y, Yoneda K, Kawauchi A, Yabe-Nishimura C, MIki T. PD-10.06. Urology 2006. [DOI: 10.1016/j.urology.2006.08.114] [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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106
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Campbell CM, Aoi N, Bazin D, Bowen MD, Brown BA, Cook JM, Dinca DC, Gade A, Glasmacher T, Horoi M, Kanno S, Motobayashi T, Mueller WF, Sakurai H, Starosta K, Suzuki H, Takeuchi S, Terry JR, Yoneda K, Zwahlen H. Measurement of excited states in (40)Si and evidence for weakening of the N=28 shell gap. PHYSICAL REVIEW LETTERS 2006; 97:112501. [PMID: 17025880 DOI: 10.1103/physrevlett.97.112501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2006] [Indexed: 05/12/2023]
Abstract
Excited states in (40)Si have been established by detecting gamma rays coincident with inelastic scattering and nucleon removal reactions on a liquid hydrogen target. The low excitation energy, 986(5) keV, of the 2(1)(+) state provides evidence of a weakening in the N=28 shell closure in a neutron-rich nucleus devoid of deformation-driving proton collectivity.
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Kakurai M, Umemoto N, Yokokura H, Fujiwara T, Yoneda K, Demitsu T. Unusual clinical features of coma blister mimicking contact dermatitis in rhabdomyolysis: report of a case. J Eur Acad Dermatol Venereol 2006; 20:761-3. [PMID: 16836525 DOI: 10.1111/j.1468-3083.2006.01538.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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108
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Yoneda K, Tanji Y, Okishiro M, Taguchi T, Tamaki Y, Noguchi S. Influence of adjuvant anastrozole on bone mineral density in Japanese postmenopausal breast cancer patients: is there a racial difference? Ann Oncol 2006; 17:1175-6. [PMID: 16407420 DOI: 10.1093/annonc/mdj128] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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109
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Nakamura T, Vinodkumar AM, Sugimoto T, Aoi N, Baba H, Bazin D, Fukuda N, Gomi T, Hasegawa H, Imai N, Ishihara M, Kobayashi T, Kondo Y, Kubo T, Miura M, Motobayashi T, Otsu H, Saito A, Sakurai H, Shimoura S, Watanabe K, Watanabe YX, Yakushiji T, Yanagisawa Y, Yoneda K. Observation of strong low-lying E1 strength in the two-neutron halo nucleus 11Li. PHYSICAL REVIEW LETTERS 2006; 96:252502. [PMID: 16907299 DOI: 10.1103/physrevlett.96.252502] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2006] [Indexed: 05/11/2023]
Abstract
An exclusive measurement has been made of the Coulomb dissociation of the two-neutron halo nucleus 11Li at 70 MeV/nucleon at RIKEN. Strong low-energy (soft) E1 excitation is observed, peaked at about Ex = 0.6 MeV with B(E1) = 1.42(18) e2fm2 for Erel < or = 3 MeV, which was largely missed in previous measurements. This excitation represents the strongest E1 transition ever observed at such low excitation energies. The spectrum is reproduced well by a three-body model with a strong two-neutron correlation, which is further supported by the E1 non-energy-weighted cluster sum rule.
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110
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Gandara DR, Yoneda K, Shelton D, Beckett LA, Ramies DA, Bloss J, Herbst RS. Independent review of fatal interstitial lung disease (ILD) in TRIBUTE: paclitaxel + carboplatin ± erlotinib in advanced non-small cell lung cancer (NSCLC). J Clin Oncol 2006. [DOI: 10.1200/jco.2006.24.18_suppl.7071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
7071 Background: ILD is a rare but serious complication of EGFR tyrosine kinase inhibitor (TKI) therapy, fatal in about 1/3 of cases. The incidence, severity & risk factors for ILD remain poorly understood, but it is reported to be more common in Asian patients receiving gefitinib. Whether the risk of ILD with gefitinib exceeds that of erlotinib is unclear. Whether concurrent chemotherapy increases the risk of ILD is also unclear. Methods: This study was designed to determine the incidence of ILD leading to death in 1,059 TRIBUTE patients randomized to chemotherapy plus erlotinib or placebo (Herbst: JCO, 2005). A blinded review of fatal SAEs was performed by an independent 3 person panel comprised of a medical oncologist (DRG), radiologist (DS), and pulmonologist (KY) unassociated with the study. Fatal respiratory SAEs (41 met criteria) were assigned to 1 of 4 potential attributions: progressive NSCLC; concurrent illness; toxicities not related to study drug; or ILD. Each panel member first made an independent assignation based on case report forms/source documents; then each case was discussed jointly. If needed, consensus was reached by vote. Results: Fatal SAEs were reported in 80/1059 patients (7.6%): 53/526 patients on erlotinib (10.1%) & 27/533 on placebo (5.1%) (p = 0.002). Consensus assignation for 41 respiratory SAEs was as follows: NSCLC: 18 (44%), concurrent illness: 15 (37%), toxicities not related to study drug: 5 (12%), ILD: 3 (7%). There were no statistical differences in assignation by study arm. However, all 3 ILD cases occurred in the erlotinib arm (3/523; overall incidence 0.6%). Case details will be provided. Conclusions: 1) To our knowledge, this analysis of TRIBUTE is the only independent blinded assessment of respiratory SAEs & ILD related to an EGFR TKI (erlotinib) + chemotherapy. 2) Overall, there were 41 fatal respiratory SAEs (3.9%). Fatal ILD occurred in 0.6% of cases treated with the combination. Using estimates that 1/3 of EGFR TKI-induced ILD cases are fatal, the overall incidence in this study arm was likely around 1.5–2%, not inconsistent with prior reports of TKIs alone. 3) Further studies designed to better define the underlying pathophysiology and risk factors for ILD are needed. [Table: see text]
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Mizutani Y, Li YN, Shiraishi T, Nakamura T, Nomoto T, Okihara K, Ukimura O, Yoneda K, Kawauchi A, Miki T. Prognostic significance of the level of serum osteoprotegerin in patients with bladder cancer. J Clin Oncol 2006. [DOI: 10.1200/jco.2006.24.18_suppl.4581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
4581 Background: Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) plays an important role in cytotoxic T lymphocyte-mediated and natural killer cell-mediated apoptosis against cancer cells. Since Osteoprotegerin (OPG) is a soluble decoy receptor for TRAIL, circulating OPG has been implicated in protection from TRAIL-mediated apoptosis. This possibility was examined in patients with bladder cancer. Methods: Serum OPG levels of 185 patients with bladder cancer were determined by using an enzyme-linked immunosorbent assay. Anti-autologous tumor cytotoxic activity of peripheral blood lymphocytes was assessed by the 12-h Cr release assay. Results: The mean serum OPG level in patients with bladder cancer was approximately 3-fold higher than that in normal donors. The serum OPG level in patients with muscle-invasive bladder cancer was higher than that in superficial bladder cancer. Furthermore, serum level of OPG in patients with metastatic bladder cancer was higher than that in muscle-invasive bladder cancer. Serum OPG level in Grade 2 bladder cancer was higher than that in Grade 1 cancer. Moreover, serum OPG level in Grade 3 bladder cancer was higher than that in Grade 2 cancer. Patients with superficial bladder cancer with low serum OPG level had a longer postoperative tumor-free rate than those with high level in the 5-year follow-up. In addition, patients with muscle-invasive bladder cancer with low serum OPG level had a higher disease-specific survival rate when compared with patients with high level in the 5-year follow-up. There was an inverse correlation between serum OPG level and anti-autologous tumor cytotoxic activity. Conclusions: The present study is the first to demonstrate that the serum OPG level correlates with the stage/grade of bladder cancer, and that elevated level serum OPG predicted early recurrence in patient with bladder cancer. These findings suggest that serum OPG level may be used as a prognostic parameter in patients with bladder cancer, and that OPG may be a molecular therapeutic target in bladder cancer. No significant financial relationships to disclose.
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Dombrádi Z, Elekes Z, Saito A, Aoi N, Baba H, Demichi K, Fülöp Z, Gibelin J, Gomi T, Hasegawa H, Imai N, Ishihara M, Iwasaki H, Kanno S, Kawai S, Kishida T, Kubo T, Kurita K, Matsuyama Y, Michimasa S, Minemura T, Motobayashi T, Notani M, Ohnishi T, Ong HJ, Ota S, Ozawa A, Sakai HK, Sakurai H, Shimoura S, Takeshita E, Takeuchi S, Tamaki M, Togano Y, Yamada K, Yanagisawa Y, Yoneda K. Vanishing N = 20 shell gap: study of excited states in (27,28)Ne. PHYSICAL REVIEW LETTERS 2006; 96:182501. [PMID: 16712361 DOI: 10.1103/physrevlett.96.182501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2005] [Indexed: 05/09/2023]
Abstract
This Letter reports on the (1)H((28)Ne, (28)Ne) and (1)H((28)Ne, (27)Ne) reactions studied at intermediate energy using a liquid hydrogen target. From the cross section populating the first 2(+) excited state of (28)Ne, and using the previously determined BE(2) value, the neutron quadrupole transition matrix element has been calculated to be M(n)=13.8 +/- 3.7 fm(2). In the neutron knockout reaction, two low-lying excited states were populated in (27)Ne. Only one of them can be interpreted by the sd shell model while the additional state may intrude from the fp shell. These experimental observations are consistent with the presence of fp shell configurations at low excitation energy in (27,28)Ne nuclei caused by a vanishing N=20 shell gap at Z=10.
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113
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Sadahira C, Yoneda K, Moriue T, Katsuura J, Kubota Y. Successful treatment of keratosis follicularis squamosa with topical tacalcitol. Br J Dermatol 2006; 154:1010-2. [PMID: 16634918 DOI: 10.1111/j.1365-2133.2006.07208.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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114
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Davies AD, Stuchbery AE, Mantica PF, Davidson PM, Wilson AN, Becerril A, Brown BA, Campbell CM, Cook JM, Dinca DC, Gade A, Liddick SN, Mertzimekis TJ, Mueller WF, Terry JR, Tomlin BE, Yoneda K, Zwahlen H. Probing shell structure and shape changes in neutron-rich sulfur isotopes through transient-field g-factor measurements on fast radioactive beams of 38S and 40S. PHYSICAL REVIEW LETTERS 2006; 96:112503. [PMID: 16605815 DOI: 10.1103/physrevlett.96.112503] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2005] [Indexed: 05/08/2023]
Abstract
The shell structure underlying shape changes in neutron-rich nuclei near N = 28 has been investigated by a novel application of the transient-field technique to measure the first-excited-state g factors in 38S and 40S produced as fast radioactive beams. There is a fine balance between proton and neutron contributions to the magnetic moments in both nuclei. The g factor of deformed 40S does not resemble that of a conventional collective nucleus because spin contributions are more important than usual.
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115
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Yoneda K, Demitsu T, Kon A, Sadahira C, Moriue T, Katsuura J, Matsuoka Y, Takai I, Noda M, Inagaki N, Kubota Y. Ubiquitination of molluscum body and its implications for pathophysiology. Br J Dermatol 2006; 154:786-9. [PMID: 16536836 DOI: 10.1111/j.1365-2133.2006.07147.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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116
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Nurimoto M, Yoneda K, Onogi A, Kozono Y, Kimura H, Morita M. Two non-amplified alleles at the canine microsatellite AHTh171 locus due to a single nucleotide transition in the primer-binding region. Anim Genet 2005; 36:281-2. [PMID: 15932427 DOI: 10.1111/j.1365-2052.2005.01297.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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117
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Gade A, Bazin D, Becerril A, Campbell CM, Cook JM, Dean DJ, Dinca DC, Glasmacher T, Hitt GW, Howard ME, Mueller WF, Olliver H, Terry JR, Yoneda K. Quadrupole deformation of the self-conjugate nucleus 72Kr. PHYSICAL REVIEW LETTERS 2005; 95:022502. [PMID: 16090679 DOI: 10.1103/physrevlett.95.022502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2005] [Indexed: 05/03/2023]
Abstract
We report on the first determination of the absolute B(E2;0+(1)-->2+(1)) excitation strength in the N=Z nucleus 72Kr. 72Kr is the heaviest N=Z nucleus for which this quantity has been measured and provides a benchmark in a region of the nuclear chart dominated by rapidly changing deformations and shapes mediated by the interplay of strongly oblate and prolate-driving orbitals. The deduced quadrupole deformation strength is in agreement with a variety of self-consistent models that predict an oblate shape for the ground state of 72Kr. Large-scale shell-model Monte Carlo calculations reproduce the experimental B(E2) value and link the result to the occupation of the deformation-driving g9/2 orbit.
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118
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Bando H, Yoneda K. 65 Risk management on chemotherapy. Lung Cancer 2005. [DOI: 10.1016/s0169-5002(05)81536-3] [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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119
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Mizutani Y, Nakanishi H, Yamamoto K, Nakamura T, Nomoto T, Mikami K, Okihara K, Yoneda K, Kawauchi A, Miki T. Prognostic significance of Smac/DIABLO expression in renal cell carcinoma. J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.4657] [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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120
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Fridmann J, Wiedenhöver I, Gade A, Baby LT, Bazin D, Brown BA, Campbell CM, Cook JM, Cottle PD, Diffenderfer E, Dinca DC, Glasmacher T, Hansen PG, Kemper KW, Lecouey JL, Mueller WF, Olliver H, Rodriguez-Vieitez E, Terry JR, Tostevin JA, Yoneda K. ‘Magic’ nucleus 42Si. Nature 2005; 435:922-4. [PMID: 15959511 DOI: 10.1038/nature03619] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2005] [Accepted: 03/24/2005] [Indexed: 11/08/2022]
Abstract
Nuclear shell structures--the distribution of the quantum states of individual protons and neutrons--provide one of our most important guides for understanding the stability of atomic nuclei. Nuclei with 'magic numbers' of protons and/or neutrons (corresponding to closed shells of strongly bound nucleons) are particularly stable. Whether the major shell closures and magic numbers change in very neutron-rich nuclei (potentially causing shape deformations) is a fundamental, and at present open, question. A unique opportunity to study these shell effects is offered by the 42Si nucleus, which has 28 neutrons--a magic number in stable nuclei--and 14 protons. This nucleus has a 12-neutron excess over the heaviest stable silicon nuclide, and has only one neutron fewer than the heaviest silicon nuclide observed so far. Here we report measurements of 42Si and two neighbouring nuclei using a technique involving one- and two-nucleon knockout from beams of exotic nuclei. We present strong evidence for a well-developed proton subshell closure at Z = 14 (14 protons), the near degeneracy of two different (s(1/2) and d(3/2)) proton orbits in the vicinity of 42Si, and a nearly spherical shape for 42Si.
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Kobayashi M, Kashida Y, Yoneda K, Iwata H, Watanabe M, Tanabe S, Fukatsu H, Machida N, Mitsumori K. Thyroid lesions and dioxin accumulation in the livers of jungle crows (Corvus macrorhynchos) in urban and suburban Tokyo. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2005; 48:424-432. [PMID: 15750778 DOI: 10.1007/s00244-004-0101-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2004] [Accepted: 08/07/2004] [Indexed: 05/24/2023]
Abstract
Wild jungle crows (Corvus macrorhynchos) captured from three different areas of Tokyo were examined to evaluate environmental contamination of dioxins. In addition to the pathologic examination of their whole body, accumulation of dioxins, mRNA expression of the aryl hydrocarbon receptor (AhR), and pentoxyresorufin-O-depenthylase (PROD) activity in the liver were determined. Marked histopathologic changes were observed in the thyroid glands, especially in the crows from the urban downtown area. Levels of dioxins and their toxic equivalents (TEQs) and AhR mRNA expression in the livers of the crows from the urban area were higher than those from the suburban area. There was a high correlation between the levels of TEQs and PROD activity. The results of the present study demonstrated that jungle crows possess AhR-mediated toxicologic pathways similar to those of mammals and suggest the possibility that the thyroidal changes observed in the adult crows from the urban areas are one of the toxic manifestations resulting from exposure to dioxins and other environmental chemicals.
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Saita E, Hayama S, Kajigaya H, Yoneda K, Watanabe G, Taya K. Histologic Changes in Thyroid Glands from Great Cormorant (Phalacrocorax carbo) in Tokyo Bay, Japan: Possible Association with Environmental Contaminants. J Wildl Dis 2004; 40:763-8. [PMID: 15650097 DOI: 10.7589/0090-3558-40.4.763] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We compared morphologic changes in thyroid glands of great cormorants (Phalacrocorax carbo) from the Tokyo Bay and Lake Biwa areas in Japan with presence of residues of polychlorinated dibenzo-dioxins (PCDDs), polychlorinated dibenzo-furans (PCDFs), and coplanar polychlorinated biphenyls (Co-PCBs). Prominent morphologic changes in thyroid glands included increased density of small follicles and increased number of epithelial cells surrounding follicular lumens. The extent of morphologic changes in the thyroid gland was higher in cormorants captured from Tokyo Bay than in those captured from Lake Biwa. Increased thyroid change in cormorants from the Tokyo Bay area was associated with significantly higher levels of PCDFs and Co-PCBs. Thus, we suggest that morphologic changes in thyroid glands from the cormorants are associated with increased levels of dioxin contamination in Japan.
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123
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Fujishiro M, Tsujii Y, Taniguchi R, Okamoto K, Yoneda K. A trial of quantitative estimation of Al-corrosion detected by neutron radiography. Appl Radiat Isot 2004; 61:725-8. [PMID: 15246423 DOI: 10.1016/j.apradiso.2004.03.123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Comparing the hydrogen content in aluminum hydroxides, one of the main components of Al-corrosion, with that in polyethylene sheets, corroded degree of practical Al-corrosions were estimated quantitatively by neutron radiography.
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124
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Yanagawa H, Sugita A, Azuma M, Ogawa H, Kitamuro C, Yoneda K, Shinkawa K, Tani K, Sone S. Long-term follow-up of pulmonary function in bronchial asthma patients treated with pranlukast. Lung 2004; 182:51-8. [PMID: 14752672 DOI: 10.1007/s00408-003-1044-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2003] [Indexed: 10/26/2022]
Abstract
Clinical studies have shown that pranlukast, a selective cysteinyl leukotriene antagonist, is effective for bronchial asthma. In the present paper, we retrospectively analyzed long-term asthma control by pranlukast treatment in patients treated with inhaled corticosteroids. We analyzed medical records and asthma diaries of 21 patients (9 males, 12 females) (52.1 +/- 3.5 years of age) with bronchial asthma who experienced increase of more than 10 L/min in peak expiratory flow in the first 4 weeks of treatment with pranlukast (450 mg/day) and were subsequently treated with pranlukast for more than 1 year. They all received inhaled corticosteroids (400-1600 microg/day of beclomethasone dipropionate or equivalent). We examined clinical control in terms of time course of self-monitored peak expiratory flow. During the analyzed period, the dose of inhaled corticosteroids was tapered in 4 patients, constant in 15 patients and increased in 2 patients. In 19 patients treated with unchanged or tapered dose of inhaled corticosteroids, improvement in the increase of mean PEF at 4-week treatment was maintained for 1 year. No difference in the add-on effect of pranlukast was observed in patients treated with less than 800 microg and more than or equal to 800 microg of inhaled corticosteroids. Four patients underwent reduction of inhaled corticosteroids in the analyzed period and PEF was well-maintained and even increased by pranlukast treatment. In 11 patients in whom data for 3 years were available, the improvement in PEF persisted for 3 years. Although the present investigation is a retrospective analysis, these data may suggest that pranlukast has no tachyphylaxis and its effect continues for more than 1 year.
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Imai N, Ong HJ, Aoi N, Sakurai H, Demichi K, Kawasaki H, Baba H, Dombrádi Z, Elekes Z, Fukuda N, Fülöp Z, Gelberg A, Gomi T, Hasegawa H, Ishikawa K, Iwasaki H, Kaneko E, Kanno S, Kishida T, Kondo Y, Kubo T, Kurita K, Michimasa S, Minemura T, Miura M, Motobayashi T, Nakamura T, Notani M, Onishi TK, Saito A, Shimoura S, Sugimoto T, Suzuki MK, Takeshita E, Takeuchi S, Tamaki M, Yamada K, Yoneda K, Watanabe H, Ishihara M. Anomalously hindered E2 strength B(E2;2+(1)-->0+) in 16C. PHYSICAL REVIEW LETTERS 2004; 92:062501. [PMID: 14995232 DOI: 10.1103/physrevlett.92.062501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2003] [Indexed: 05/24/2023]
Abstract
The electric quadrupole transition from the first 2(+) state to the ground 0(+) state in 16C is studied through measurement of the lifetime by a recoil shadow method applied to inelastically scattered radioactive 16C nuclei. The measured mean lifetime is 77+/-14(stat)+/-19(syst) ps. The central value of mean lifetime corresponds to a B(E2;2+(1)-->0(+)) value of 0.63e(2) fm(4), or 0.26 Weisskopf units. The transition strength is found to be anomalously small compared to the empirically predicted value.
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