101
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Urita Y, Domon K, Yanagisawa T, Ishihara S, Hoshina M, Akimoto T, Kato H, Hara N, Honda Y, Nagai Y, Nakanishi K, Shimada N, Takano M, Watanabe T, Sugimoto M, Miki K. Salivary gland scintigraphy in gastro-esophageal reflux disease. Inflammopharmacology 2007; 15:141-5. [PMID: 17701015 DOI: 10.1007/s10787-006-0895-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
UNLABELLED Gastro-esophageal reflux disease (GERD) is associated with a decreased salivary flow as well as gastric acid production. This study therefore aimed to investigate functional disorders of salivary glands in patients with GERD. METHODS Thirty-one consecutive patients with GERD underwent salivary gland scintigraphy. RESULTS If the results defined the optimal cutoff point for determining the decreased salivary secretion as 51 % in parotid glands and 36 % in submandibular glands, a decreased salivary secretion of right parotid gland, left parotid gland, right submandibular gland, and left submandibular gland was found in 39 %, 32 %, 36 %, and 58 %, respectively. Overall, salivary function disorder of at least one major salivary gland was found in 24 patients (78 %) with GERD. There was no difference in the incidence of impaired salivary function between GERD patients with and without erosive esophagitis. Salivary gland function was more frequently diminished than expected in GERD. We concluded that the presence of impaired salivary gland function was considered to be one of risk factors for developing GERD symptoms.
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102
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Byelikov A, Adachi T, Fujita H, Fujita K, Fujita Y, Hatanaka K, Heger A, Kalmykov Y, Kawase K, Langanke K, Martínez-Pinedo G, Nakanishi K, von Neumann-Cosel P, Neveling R, Richter A, Sakamoto N, Sakemi Y, Shevchenko A, Shimbara Y, Shimizu Y, Smit FD, Tameshige Y, Tamii A, Woosley SE, Yosoi M. Gamow-Teller strength in the exotic odd-odd nuclei 138La and 180Ta and its relevance for neutrino nucleosynthesis. PHYSICAL REVIEW LETTERS 2007; 98:082501. [PMID: 17359091 DOI: 10.1103/physrevlett.98.082501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2006] [Indexed: 05/14/2023]
Abstract
The Gamow-Teller strength distributions below the particle threshold in 138La and 180Ta, deduced from high-resolution measurements of the (3He,t) reaction at 0 degrees, allow us to evaluate the role of charged-current reactions for the production of these extremely rare nuclides in neutrino-nucleosynthesis models. The analysis suggests that essentially all 138La in the Universe can be made that way. Neutrino nucleosynthesis also contributes significantly to the abundance of 180Ta but the magnitude depends on the unknown branching ratio for population of the long-lived isomer.
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103
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Uno K, Homma S, Satoh T, Nakanishi K, Abe D, Matsumoto K, Oki A, Tsunoda H, Yamaguchi I, Nagasawa T, Yoshikawa H, Aonuma K. Tissue factor expression as a possible determinant of thromboembolism in ovarian cancer. Br J Cancer 2007; 96:290-5. [PMID: 17211468 PMCID: PMC2359996 DOI: 10.1038/sj.bjc.6603552] [Citation(s) in RCA: 122] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Ovarian cancer, and clear cell carcinoma in particular, reportedly increases the risk of venous thromboembolism (VTE). However, the mechanisms remain unclear. Tissue factor (TF) supposedly represents a major factor in the procoagulant activities of cancer cells. The present study examined the involvement of TF expression in VTE for patients with ovarian cancer. Subjects comprised 32 consecutive patients (mean age 49.8 years) with histologically confirmed ovarian cancer. Presence of VTE was examined using a combination of clinical features, D-dimer levels and venous ultrasonography. Immunohistochemical analysis was used to evaluate TF expression into 4 degrees. Venous thromboembolism was identified in 10 of the 32 patients (31%), including five of the 11 patients with clear cell carcinoma. Tissue factor expression was detected in cancer tissues from 24 patients and displayed significant correlations with VTE development (P=0.0003), D-dimer concentration (P=0.003) and clear cell carcinoma (P<0.05). Multivariate analysis identified TF expression as an independent predictive factor of VTE development (P<0.05). Tissue factor (TF) expression is a possible determinant of VTE development in ovarian cancer. In particular, clear cell carcinoma may produce excessive levels of TF and is more likely to develop VTE.
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104
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Snyder JK, Nakanishi K, Hostettmann K, Hostettmann M. Applications of Rotation Locular Countercurrent Chromatography in Natural Products Isolation. ACTA ACUST UNITED AC 2006. [DOI: 10.1080/01483918408073965] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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105
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Isayama T, Alexeev D, Makino CL, Washington I, Nakanishi K, Turro NJ. An accessory chromophore in red vision. Nature 2006; 443:649. [PMID: 17035994 DOI: 10.1038/443649a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2006] [Accepted: 08/25/2006] [Indexed: 11/09/2022]
Abstract
In the absence of a red-sensitive visual pigment, some deep-sea fish use a chlorophyll derivative in their green-sensitive rod cells in order to see deep-red light. Here we show that living rods extracted from a salamander can also accumulate an exogenous chlorophyll derivative, chlorin e6, that renders them as sensitive to red light as they are to green. This vision enhancement by an unbleachable chlorophyll derivative might therefore be a general phenomenon in vertebrate photoreception.
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106
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Negret A, Adachi T, Barrett BR, Bäumer C, van den Berg AM, Berg GPA, von Brentano P, Frekers D, De Frenne D, Fujita H, Fujita K, Fujita Y, Grewe EW, Haefner P, Harakeh MN, Hatanaka K, Heyde K, Hunyadi M, Jacobs E, Kalmykov Y, Korff A, Nakanishi K, Navrátil P, von Neumann-Cosel P, Popescu L, Rakers S, Richter A, Ryezayeva N, Sakemi Y, Shevchenko A, Shimbara Y, Shimizu Y, Tameshige Y, Tamii A, Uchida M, Vary J, Wörtche HJ, Yosoi M, Zamick L. Gamow-Teller strengths in the A = 14 multiplet: a challenge to the shell model. PHYSICAL REVIEW LETTERS 2006; 97:062502. [PMID: 17026166 DOI: 10.1103/physrevlett.97.062502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2006] [Indexed: 05/12/2023]
Abstract
A new experimental approach to the famous problem of the anomalously slow Gamow-Teller (GT) transitions in the beta decay of the A=14 multiplet is presented. The GT strength distributions to excited states in 14C and 14O were studied in high-resolution (d,2He) and (3He,t) charge-exchange reactions on 14N. No-core shell-model calculations capable of reproducing the suppression of the beta decays predict a selective excitation of Jpi=2+ states. The experimental confirmation represents a validation of the assumptions about the underlying structure of the 14N ground state wave function. However, the fragmentation of the GT strength over three 2+ final states remains a fundamental issue not explained by the present no-core shell model using a 6homega model space, suggesting possibly the need to include cluster structure in these light nuclei in a consistent way.
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107
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Okada T, Sasaki F, Kamiyama T, Nakagawa T, Nakanishi K, Onodera Y, Itoh T, Todo S. Management and algorithm for focal nodular hyperplasia of the liver in children. Eur J Pediatr Surg 2006; 16:235-40. [PMID: 16981086 DOI: 10.1055/s-2006-924433] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE The aim of this study was to determine an appropriate management plan for childhood and adolescent FNH, in particular to establish an algorithm for preoperative diagnosis and treatment. PATIENTS AND METHODS Between 1985 and 2003, 4 children with FNH were diagnosed. Of these 4 patients, 3 (Group A) underwent tumor resection, and 1 (Group B) was treated by conservative management. Clinical data, pathological findings and follow-up were evaluated retrospectively. RESULTS The 3 patients in Group A were symptomatic, while the 1 patient in Group B was asymptomatic. In 3 of 4 patients, a homogeneous tumor with a central stellate area was noted on abdominal ultrasonography, CT scan and MR imaging. In case 2, SPIO-enhanced MR imaging was useful for differentiating FNH from hepatocellular carcinoma. Though percutaneous needle biopsy was performed in case 3, a pathologically definitive diagnosis was impossible. An open biopsy was performed in case 4 and FNH was diagnosed. In case 4 treated by conservative management, the tumor size did not change during the 7 years after the diagnosis of FNH. CONCLUSION FNH is usually treated conservatively because of the good evolutionary outcome of the lesion. Surgery is indicated in cases of complications, compressed adjacent organs, lesion progression, or for symptomatic patients. We advocate the use of less invasive SPIO-enhanced MR imaging instead of open biopsy when the diagnosis of focal liver lesions is not clear after contrast-enhanced CT scan and non-enhanced MR imaging.
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108
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Nakanishi K, Sawai H, Komori S, Koyama K. 1141634395 Analysis of protein profiles of amniotic fluid in a pregnant woman with a fetus of Down syndrome by SELDI-TOF mass spectrometry. Am J Reprod Immunol 2006. [DOI: 10.1111/j.1600-0897.2006.00383_36.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] Open
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109
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Murakami T, Yamanaka K, Tokime K, Kurokawa I, Tsutsui H, Nakanishi K, Mizutani H. Topical suplatast tosilate (IPD) ameliorates Th2 cytokine-mediated dermatitis in caspase-1 transgenic mice by downregulating interleukin-4 and interleukin-5. Br J Dermatol 2006; 155:27-32. [PMID: 16792748 DOI: 10.1111/j.1365-2133.2006.07241.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by elevated serum levels of IgE. AD is associated with Th2 cytokines including interleukin (IL)-4, IL-5, IL-13 and IL-10. Systemic administration of suplatast tosilate (IPD) is currently used to treat Th2 cytokine-mediated AD. OBJECTIVES To evaluate the effect of topical IPD on skin lesions of AD using a genetically engineered AD mouse model (K14/caspase-1 transgenic mouse: KCASP1Tg). METHODS IPD ointment (3%) and white petrolatum (WP) were applied to KCASP1Tg mice every other day from 6 to 14 weeks after birth. Histopathological analysis of skin lesions and measurement of mRNA expression of cytokines in skin lesions and spleen cells were carried out. We also compared changes in serum parameters between IPD-treated and WP-treated KCASP1Tg mice. RESULTS WP-treated mice developed dermatitis at 8 weeks after birth. However, skin lesions in IPD-treated mice were limited. Histopathologically, skin lesions in WP-treated KCASP1Tg mice showed marked inflammatory changes with increased mast cell infiltration. However, mice treated with IPD showed minimum skin lesions with scarce mast cell infiltration. WP-treated KCASP1Tg mice had significant elevation in the serum levels of histamine, IgE and IL-18 as compared with IPD-treated KCASP1Tg mice. mRNA expression of IL-4 and IL-5 in the skin lesions from WP-treated KCASP1Tg mice was significantly higher than in those from IPD-treated mice. In the spleen, the expression of IL-4, IL-5 and interferon-gamma was significantly increased in WP-treated KCASP1Tg mice as compared with their IPD-treated counterparts. CONCLUSIONS This study shows that topical therapy with IPD inhibits the expression of IL-4 and IL-5 and ameliorates skin manifestations in an AD mouse model, suggesting the potential usefulness of topical IPD for the treatment of AD.
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110
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Kalmykov Y, Adachi T, Berg GPA, Fujita H, Fujita K, Fujita Y, Hatanaka K, Kamiya J, Nakanishi K, von Neumann-Cosel P, Ponomarev VY, Richter A, Sakamoto N, Sakemi Y, Shevchenko A, Shimbara Y, Shimizu Y, Smit FD, Wakasa T, Wambach J, Yosoi M. Fine structure of the Gamow-Teller resonance in 90Nb and level density of 1+ states. PHYSICAL REVIEW LETTERS 2006; 96:012502. [PMID: 16486449 DOI: 10.1103/physrevlett.96.012502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2005] [Indexed: 05/06/2023]
Abstract
The fine structure of the Gamow-Teller resonance in a medium-heavy nucleus is observed for the first time in a high-resolution 90Zr(3He,t)90Nb experiment at the Research Center for Nuclear Physics, Osaka. Using a novel wavelet analysis technique, it is possible to extract characteristic energy scales and to quantify their relative importance for the generation of the fine structure. This method combined with the selectivity of the reaction permits an extraction of the level density of 1+ states in 90Nb.
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111
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Fujisaki K, Masutani K, Yoshimitsu T, Nakanishi K, Matsumoto M, Yagi H, Ishizashi H, Fujimura Y, Takeda K, Hirakata H, Iida M. Thrombotic thrombocytopenic purpura associated with polyarteritis nodosa. Clin Nephrol 2005; 64:305-10. [PMID: 16240903 DOI: 10.5414/cnp64305] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We present a case of classical polyarteritis nodosa (PN) overlapping thrombotic thrombocytopenic purpura (TTP). A 70-year-old woman was transferred to our hospital because of general fatigue and fever. On admission, laboratory findings revealed leukocytosis, normochromic normocytic anemia and renal dysfunction. About one week later, she developed disturbance of consciousness, and laboratory findings revealed rapidly progressive thrombocytopenia and renal dysfunction. We suspected the presence of microscopic polyangiitis (MPA), based on mild elevation of myeloperoxidase (MPO) anti-neutrophil cytoplasmic antibody (ANCA). On post-admission Day 11, renal biopsy was performed but the diagnosis of MPA could not be confirmed because of the absence of glomerular crescent formation or vasculitis. However, the biopsy specimen showed many collapsed glomeruli and interstitial inflammation, indicating the presence of occlusive lesions, such as vasculitis in larger arteries. We instituted methylprednisolone pulse therapy, cyclophosphamide and plasma exchange, because the clinical symptoms also satisfied the criteria of TTP. Despite the intensive treatment, the patient died on 43rd day of hospitalization due to thalamic hemorrhage. Autopsy showed typical findings of classical PN including disruption of arterial walls and fibrinoid necrosis in the medium-sized arteries of the kidneys and colon. We detected reduced activity of von Willebrand factor-cleaving protease (VWF-CP) and the presence of plasma inhibitory IgG against VWF-CP. A better understanding of the mechanisms would be useful.
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112
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Hashimoto N, Ueda T, Joyama S, Araki N, Beppu Y, Tatezaki S, Matsumoto S, Nakanishi K, Tomita Y, Yoshikawa H. Extraskeletal mesenchymal chondrosarcoma: an imaging review of ten new patients. Skeletal Radiol 2005; 34:785-92. [PMID: 16211384 DOI: 10.1007/s00256-005-0025-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2004] [Revised: 10/21/2004] [Accepted: 08/04/2005] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Extraskeletal mesenchymal chondrosarcoma (EMC) is a rare soft-tissue tumor that most arises in young adults. Because of its rarity, few imaging studies have been reported to date. The purpose of this study was to elucidate the imaging features of this tumor. DESIGN We conducted a multi-institutional study in cooperation with five referral cancer centers in Japan. Imaging findings of ten new EMC cases, including conventional radiography, computed tomography (CT), and magnetic resonance imaging (MRI), performed at each institute, were reviewed along with clinical features. PATIENTS Ten patients with EMC, who had been treated at each hospital from 1990 to 2001, participated in this study. RESULTS AND CONCLUSIONS Soft-tissue masses with well-demarcated, dense and granular calcification were most frequently observed on plain radiographs and CT scans. T2-weighted MR images most clearly depicted a two-component structure composed of calcified and uncalcified areas, and enhanced MRI showed inhomogeneous enhancement in both areas. Although the sensitivity and specificity of these findings are unknown, they might be characteristic and have diagnostic value for this rare tumor.
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113
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Fujita Y, Adachi T, von Brentano P, Berg GPA, Fransen C, De Frenne D, Fujita H, Fujita K, Hatanaka K, Jacobs E, Nakanishi K, Negret A, Pietralla N, Popescu L, Rubio B, Sakemi Y, Shimbara Y, Shimizu Y, Tameshige Y, Tamii A, Yosoi M, Zell KO. Gamow-teller strengths in proton-rich exotic nuclei deduced in the combined analysis of mirror transitions. PHYSICAL REVIEW LETTERS 2005; 95:212501. [PMID: 16384135 DOI: 10.1103/physrevlett.95.212501] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2005] [Indexed: 05/05/2023]
Abstract
Isospin symmetry is expected for the T(z)=+/-1-->0 isobaric analogous transitions in isobars with mass number A, where T(z) is the z component of isospin T. Assuming this symmetry, strengths of analogous Gamow-Teller (GT) transitions within A = 50 isobars were determined from a high energy-resolution study at 0 degrees in combination with the decay Q value and lifetime from the beta decay. This method can be applied to other pf-shell nuclei and can be used to study GT strengths of astrophysical interest.
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114
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Nakanishi K, Sakiyama T, Imamura K. On the adsorption of proteins on solid surfaces, a common but very complicated phenomenon. J Biosci Bioeng 2005; 91:233-44. [PMID: 16232982 DOI: 10.1263/jbb.91.233] [Citation(s) in RCA: 191] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2000] [Accepted: 01/09/2001] [Indexed: 11/17/2022]
Abstract
Adsorption of proteins on solid surfaces and their interaction are major concerns in a number of fields such as biology, medicine, biotechnology and food processing, and play an important role from various points of view. Based on practical viewpoints, information on the conformation of the adsorbed protein as well as adsorption characteristics is essential for a system's performance. Although there are still many problems to be solved, extensive studies in recent years, owing to the development in instrumentation and instrumental techniques, reveal the adsorption behavior of proteins in detail. Here, we stress the importance and interesting aspect of protein adsorption on solid surfaces by reviewing findings that have been obtained in recent years.
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115
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Okumura N, Terasawa F, Hirota-Kawadobora M, Yamauchi K, Nakanishi K, Shiga S, Ichiyama S, Saito M, Kawai M, Nakahata T. A novel variant fibrinogen, deletion of Bbeta111Ser in coiled-coil region, affecting fibrin lateral aggregation. Clin Chim Acta 2005; 365:160-7. [PMID: 16229829 DOI: 10.1016/j.cca.2005.08.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2005] [Revised: 08/13/2005] [Accepted: 08/13/2005] [Indexed: 11/24/2022]
Abstract
BACKGROUND Functional fibrinogen concentration of a male infant showed <0.50 g/l and we speculated this patient as a dysfibrinogenemia or hypofibrinogenemia. METHODS We analyzed propositus and his parent by DNA sequencing and by thrombin-catalyzed fibrin polymerization for purified plasma fibrinogen. RESULTS Although functional fibrinogen determinations based on Clauss method showed the marked discrepancy of values among 3 sets of reagent and analyzer, we found a novel heterozygous variant fibrinogen, Kyoto IV, caused by 3-bp deletion in Bbeta-chain gene corresponding to the deletion of 111Ser located in coiled-coil region. We suggested that the discrepancy of fibrinogen values among 3 assays was caused by the difference in NaCl concentration in reagents for determination and analyzed the polymerization under the conditions of various NaCl concentrations. Although under normal physiological conditions Kyoto IV fibrinogen augmented the polymerization as compared with normal control, in 0.21 mol/l NaCl Kyoto IV fibrinogen showed abruptly impaired polymerization curve compared with normal control. CONCLUSION Variant fibrinogen, BbetaDelta111Ser, showed augmented lateral aggregation under normal physiological conditions and the residue located in coiled-coil region, Bbeta111Ser, plays an important role in the lateral aggregation.
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116
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Kurihara M, Nakanishi K, Fujita Y, Nakao S, Nishigaki Y, Takeyama K, Nakajima S, Miyokawa N, Ohsaki Y. P-162 Color auto-fluorescence from cancer lesions: Improved detectionof central type lung cancer. Lung Cancer 2005. [DOI: 10.1016/s0169-5002(05)80656-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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117
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Flores J, Kunihara T, Shiiya N, Yoshimoto K, Matsuzaki K, Nakamura M, Okamoto F, Nakanishi K, Matano J, Yamada A, Maruyama R, Sakai K, Yasuda K. Importance of early repair of isolated abdominal aortic dissecting aneurysm. VASA 2005; 34:118-22. [PMID: 15968894 DOI: 10.1024/0301-1526.34.2.118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Since the available information on isolated abdominal aortic dissecting aneurysm (AADA) is mainly related to case reports or reports of small groups of patients, its natural history remains undetermined and there is no agreement on its optimal management. The purpose of this study is to define the features and pattern of development of this unusual entity as well as to propose criteria for treatment based on our own experience and previously published data. PATIENTS AND METHODS We retrospectively evaluated the history of 6 patients diagnosed with AADA. The patients were 5 males and 1 female. The mean age was 71 +/- 8 years (range: 61-80 years), and the mean aneurysm diameter was 54 +/- 14 mm (range: 35-70 mm). All of these patients were hypertensive (100%). History of cerebrovascular accident, ischemic heart disease, peripheral arterial disease, or diabetes mellitus was present in 1 patient, respectively. Two patients developed mycotic AADA. RESULTS Emergency operations had been performed in 3 cases, and scheduled surgical reconstruction in the remaining 3 cases. Operation consisted of aneurysmectomy and graft replacement of the diseased aortic segment in all cases. One patient treated in an emergency setting died subsequently of multisystem organ failure, but the others did well. CONCLUSION Symptomatic patients or patients at good risk should undergo surgical repair earlier than in the case of abdominal aortic aneurysm without dissection (AAA). Dissection in addition to an AAA will further increase the weakness of the aortic wall and the possibility of aortic rupture will become higher.
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118
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Sugaya M, Sugio K, Nagashima A, Nakanishi R, Sakata H, Nakanishi K, Ono K, Uramoto H, Hanagiri T, Yasumoto K. Phase II trial of adjuvant chemotherapy with bi-weekly carboplatin plus paclitaxel in patients with completely resected non-small cell lung cancer. J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.7258] [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
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119
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Katagiri H, Takahashi M, Wakai K, Sugiura H, Kataoka T, Nakanishi K. Prognostic factors and a scoring system for patients with skeletal metastasis. ACTA ACUST UNITED AC 2005; 87:698-703. [PMID: 15855375 DOI: 10.1302/0301-620x.87b5.15185] [Citation(s) in RCA: 186] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Between 1992 and 1999, we treated 350 patients with skeletal metastases. A multivariable analysis of the patients was conducted using the Cox proportional hazards model. We identified five significant prognostic factors for survival, namely, the site of the primary lesion, the performance status (Eastern Cooperative Oncology Group status 3 or 4), the presence of visceral or cerebral metastases, any previous chemotherapy, and multiple skeletal metastases. The score for each significant factor was derived from the corresponding estimated regression coefficients (natural logarithm of the hazard ratio). The prognostic score was calculated by adding all the scores for individual factors. The rate of survival was 31% at six months and 11% at one year for the patients with a prognostic score of 6 or more. By contrast, patients with a prognostic score of 2 or less had a rate of survival of 98% at six months and 89% at one year. This scoring system can be used to determine the optimal treatment for patients with pathological fractures or epidural compression.
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120
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Denda M, Nakanishi K, Kumazawa N. Topical Application of Ionic Polymers Affects Skin Permeability Barrier Homeostasis. Skin Pharmacol Physiol 2004; 18:36-41. [PMID: 15608501 DOI: 10.1159/000081684] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2004] [Accepted: 08/23/2004] [Indexed: 11/19/2022]
Abstract
We previously demonstrated that the external electric potential affected skin barrier homeostasis. On the other hand, topical application of an ionic polymer formed a diffusion electric double layer on the surface of the skin. Thus, we evaluated effects of topical application of ionic polymers on the damaged skin barrier. Application of a nonionic polymer did not affect barrier recovery. Application of sodium salts of anionic polymers accelerated barrier recovery, while that of cationic polymers delayed it. Topical application of a sodium-exchange resin accelerated barrier recovery, but application of a calcium-exchange resin had no effect even when the resins had the same structure. Application of a chloride-exchange resin delayed barrier recovery. Topical application of ionic polymers influenced skin barrier homeostasis.
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121
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Li Y, Ishii K, Hisaeda H, Hamano S, Zhang M, Nakanishi K, Yoshimoto T, Hemmi H, Takeda K, Akira S, Iwakura Y, Himeno K. IL-18 gene therapy develops Th1-type immune responses in Leishmania major-infected BALB/c mice: is the effect mediated by the CpG signaling TLR9? Gene Ther 2004; 11:941-8. [PMID: 14985787 DOI: 10.1038/sj.gt.3302240] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
IL-18 regulates either Th1 or Th2 responses depending on the cytokine microenvironment. Administration of recombinant IL-18 (rIL-18) alone does not promote Th1 response, but rather induces Th2 response and exacerbates Leishmania major infection in susceptible BALB/c mice. Here, we treated BALB/c mice with an IL-18-expressing plasmid by using a gene gun weekly after L. major infection. This gene therapy resulted in improved pathogenic process and preferential induction of Th1 responses by inducing the expression of IL-12 p40, but treatment with rIL-18 did not. Notably, simultaneous administration of rIL-18 with an empty plasmid vector rendered BALB/c mice resistant to the infection, despite the fact that treatment with either rIL-18 alone or the plasmid vector alone did not influence the susceptibility. The synergistic role of the vector with rIL-18 was found to depend on CpG motifs, which enhanced expression of proinflammatory cytokines, especially IL-12, from APCs through Toll-like receptor (TLR) 9 ligation. Treatment with methylated plasmid vector in which CpG was disrupted could no longer prevent the disease development in coadministration with rIL-18. Taken together, IL-18 gene therapy was shown to develop Th1-type protective immunity in L. major-infected BALB/c mice without the requirement of exogenous IL-12, probably via CpG-TLR9 signaling pathway.
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122
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Fujita Y, Hamamoto I, Fujita H, Shimbara Y, Adachi T, Berg GPA, Fujita K, Hatanaka K, Kamiya J, Nakanishi K, Sakemi Y, Shimizu Y, Uchida M, Wakasa T, Yosoi M. Evidence for the existence of the [2 0 2]3/2 deformed band in mirror nuclei 25Mg and 25Al. PHYSICAL REVIEW LETTERS 2004; 92:062502. [PMID: 14995233 DOI: 10.1103/physrevlett.92.062502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2003] [Indexed: 05/24/2023]
Abstract
After 50 years of its prediction, the highest-lying [2 0 2]3/2 orbit among the six Nilsson single-particle orbits originating from the sd shells in prolately deformed nuclei and the rotational band on this orbit were identified. The band members were observed in 25Al at excitation energies of 6-7.5 MeV in a high-resolution 25Mg(3He,t) charge-exchange reaction at 0 degrees having a strong selectivity for Gamow-Teller transitions. In the comparison with the analogous M1 transitions in 25Mg, the J(pi)=3/2(+) bandhead state and the excited 5/2(+) and 7/2(+) members were clearly assigned.
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Abstract
IL-18 is a pleiotropic cytokine and is produced by various types of cells including activated macrophages, particularly Kupffer cells. IL-18 has potential to activate inflammatory responses through induction of IFN-gamma production in collaboration with IL-12. Somewhat paradoxically, IL-18 also has the capacity to induce allergic responses via induction of IL-4 production by T helper cells and to activate mast cells and basophils to release atopic effector molecules such as histamine. Indeed, IL-18 is involved in inflammatory tissue injuries, such as Crohn's disease and atherosclerosis, and also in hyper IgE and atopic dermatitis. IL-18 is particularly important for induction of experimental liver diseases. Endotoxin-induced liver injury or Fas ligand-induced hepatitis is caused by endogenous IL-18 in mice. Moreover, patients with liver diseases such as fulminant hepatitis, liver cirrhosis due to hepatitis virus infection and primary biliary cirrhosis show elevation of serum levels of IL-18, that correlates with the corresponding disease severity. Therefore, endogenous IL-18 plays a major role in induction of some types of liver injuries in mice and human. NKT cells that express both T cell receptor and NK cell marker are abundant in the liver of mice and human. Recent studies have revealed that NKT cells participate in some types of liver injuries, such as concanavalin A-induced T cell-mediated hepatitis and malaria hepatitis. In this review article, we focus on IL-18-involving liver damages and NKT-cell-mediated liver injuries.
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Pan T, Hashimoto A, Kanou M, Nakanishi K, Kameoka T. Development of a quantification system of ionic dissociative metabolites using an FT-IR/ATR method. Bioprocess Biosyst Eng 2003; 26:133-9. [PMID: 14586688 DOI: 10.1007/s00449-003-0343-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2003] [Accepted: 09/18/2003] [Indexed: 10/26/2022]
Abstract
A simultaneous quantification system of ionic dissociative metabolites was developed using a Fourier transform mid-infrared spectroscopic method by focusing our attention on the enzyme reaction from glucose 6-phosphate to fructose 6-phosphate with phosphoglucose isomerase (PGI). We studied the pH dependency of the infrared spectra of the mixture solution for which the PGI reaction was assumed. The infrared spectra of ionic dissociative components in the mixture solution were extracted by multiple linear regression analysis under the assumption of ionic dissociation equilibrium. Additionally, we constructed a simultaneous quantification system using the extracted spectra of the ionic dissociative components on the basis of the ionic dissociation equilibrium. We could accurately estimate the pH value and the concentrations of the ionic dissociative materials in their mixture solution by using this quantification system. In addition, the stability of quantification results for a pK shift was also verified.
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Lubda D, Cabrera K, Nakanishi K, Lindner W. Monolithic silica columns with chemically bonded ?-cyclodextrin as a stationary phase for enantiomer separations of chiral pharmaceuticals. Anal Bioanal Chem 2003; 377:892-901. [PMID: 13680065 DOI: 10.1007/s00216-003-2181-x] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2003] [Revised: 06/03/2003] [Accepted: 06/06/2003] [Indexed: 10/26/2022]
Abstract
An enantioselective silica rod type chiral stationary phase (CSP) is presented; a novel combination of the well known enantiomer separation properties of beta-cyclodextrin and the unique properties concerning the flow behavior of silica monoliths. Two different synthesis routes are described, and it was found that the in situ modification of a plain silica rod column turned out to be the best. The chromatographic behaviour of the beta-cyclodextrin silica rod was studied and compared with a very similar commercially available beta-cyclodextrin bonded particulate material (ChiraDex). Even if the amount of beta-cyclodextrin bound to the silica rod was only about half of the amount of beta-cyclodextrin bound to ChiraDex) particles, good resolutions were achieved for a set of chiral test components like Chromakalin, Prominal, Oxazepam, Methadone and some other drugs. By taking advantage of the unique features of the silica rods relating to their flat H/u (Van Deemter) curves, fast enantiomer separations could be demonstrated.
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