51
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Kubo E, Takeshima H, Yamashita S, Motoi N, Ushijima T. P1.02-009 Accumulation of Mutations in Background Normal Lung Tissue Constitutes a Major Lung Cancer Risk. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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52
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Kikuchi D, Iizuka T, Hoteya S, Nomura K, Kuribayashi Y, Toba T, Tanaka M, Yamashita S, Furuhata T, Matsui A, Mitani T, Inoshita N, Kaise M. Vascular density of superficial esophageal squamous cell carcinoma determined by direct observation of resected specimen using narrow band imaging with magnifying endoscopy. Dis Esophagus 2017; 30:1-5. [PMID: 28881911 DOI: 10.1093/dote/dox105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Accepted: 07/26/2017] [Indexed: 12/11/2022]
Abstract
Observation of the microvasculature using narrow band imaging (NBI) with magnifying endoscopy is useful for diagnosing superficial squamous cell carcinoma. Increased vascular density is indicative of cancer, but not many studies have reported differences between cancerous and noncancerous areas based on an objective comparison. We observed specimens of endoscopic submucosal dissection (ESD) using NBI magnification, and determined the vascular density of cancerous and noncancerous areas. A total of 25 lesions of esophageal squamous cell carcinoma that were dissected en bloc by ESD between July 2013 and December 2013 were subjected to NBI magnification. We constructed a device that holds an endoscope and precisely controls the movement along the vertical axis in order to observe submerged specimens by NBI magnification. NBI image files of both cancerous (pathologically determined invasion depth, m1/2) and surrounding noncancerous areas were created and subjected to vascular density assessment by two endoscopists who were blinded to clinical information. The invasion depth was m1/2 in 20, m3/sm1 in four and sm2 in one esophageal cancer lesion. Mean vascular density was significantly increased in cancerous areas (37.6 ± 16.3 vessels/mm2) compared with noncancerous areas (17.6 ± 10.0 vessels/mm2) (P < 0.05). The correlation coefficients between vascular density determined by two endoscopists were 0.86 and 0.81 in cancerous and noncancerous areas, respectively. Receiver operating curve (ROC) analysis revealed that the area under the curve (AUC) of vascular density was 0.895 (95% CI, 0.804-0.986). For this ROC curve, sensitivity was 78.3% and specificity was 87.0% when the cutoff value of vascular density was 26 vessels/mm2. NBI magnification confirmed significant increases in vascular density in cancerous areas compared with noncancerous areas in esophageal squamous cell carcinoma. The rates of agreement between vascular density values determined by two independent operators were high.
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Affiliation(s)
| | | | | | | | | | - T Toba
- Departments of Gastroenterology
| | | | | | | | | | | | - N Inoshita
- Pathology, Toranomon Hospital, Minato-ku, Tokyo, Japan
| | - M Kaise
- Departments of Gastroenterology
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53
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Gradauer K, Iida M, Watari A, Kataoka M, Yamashita S, Kondoh M, Buckley ST. Dodecylmaltoside Modulates Bicellular Tight Junction Contacts To Promote Enhanced Permeability. Mol Pharm 2017; 14:4734-4740. [DOI: 10.1021/acs.molpharmaceut.7b00297] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- K. Gradauer
- Global
Research, Novo Nordisk A/S, DK-2760 Måløv, Denmark
- Faculty
of Pharmaceutical Sciences, Setsunan University, Osaka 573-0101, Japan
| | - M. Iida
- Graduate
School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
| | - A. Watari
- Graduate
School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
| | - M. Kataoka
- Faculty
of Pharmaceutical Sciences, Setsunan University, Osaka 573-0101, Japan
| | - S. Yamashita
- Faculty
of Pharmaceutical Sciences, Setsunan University, Osaka 573-0101, Japan
| | - M. Kondoh
- Graduate
School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
| | - S. T. Buckley
- Global
Research, Novo Nordisk A/S, DK-2760 Måløv, Denmark
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54
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Konishi K, Kamiya M, Komatsu T, Yamashita S, Itou Y, Kosugi T, Suzuki K, Sakahara H, Nakamura K. Treatment Outcomes of Radiation Therapy Combined with Superselective Intra-arterial Infusion Therapy for Maxillary Sinus Cancer. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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55
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Ikenoshita S, Ikeda T, Nakahara K, Masuda T, Yamashita S, Ando Y. Evaluation of MIBG scintigraphy in the movement disorder society Parkinson’s Disease criteria. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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56
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Doki T, Yamashita S, Wei F, Zhang X, Zhang Z, Tawara N, Hino H, Uyama E, Araki K, Ando Y. Polyalanine expansion in PABPN1 causes mitochondrial dysfunction. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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57
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Tawara N, Yamashita S, Zhang X, Zhang Z, Doki T, Matsuo Y, Nakane S, Maeda Y, Ando Y. Predominant atrophy in type 2 myofibers of sporadic inclusion body myositis with anti-cn1a autoantibody. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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58
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Suzuki N, Mori-Yoshimura M, Yamashita S, Nakano S, Murata K, Inamori Y, Matsui N, Kimura E, Kusaka H, Kondo T, Higuchi I, Kaji R, Tateyama M, Izumi R, Ono H, Kato M, Warita H, Takahashi T, Nishino I, Aoki M. Multicenter questionnaire survey for sporadic inclusion body myositis in Japan. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.3040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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59
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Zhang Z, Yamashita S, Tawara N, Kawakami K, Doki T, Matsuo Y, Zhang X, Maeda Y, Ando Y. Mitochondrial analysis in wild-type TDP-43 transgenic mice mimicking sporadic inclusion body myositis. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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60
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Frontera A, Takigawa M, Martin R, Thompson N, Cheniti G, Massouille G, Duchateau J, Kitamura T, Wolf M, Al-Jefairi N, Vlachos K, Yamashita S, Denis A, Hocini M, Cochet H, Sacher F, Jaïs P, Derval N, Haïssaguerre M. 073_16988-H2 Electrogram Signature of Specific Activation Patterns: Analysis of Atrial Arrhythmias at High-Density Endocardial Mapping. JACC Clin Electrophysiol 2017. [DOI: 10.1016/j.jacep.2017.09.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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61
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Kubo E, Takeshima H, Yamashita S, Motoi N, Ushijima T. Increased mutation burden in high-risk lung tissues: Toward precision cancer risk diagnosis. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx383.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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62
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Sugimoto M, Yamashita S, Akutsu H, Nakazawa Y, DaSilva JG, Kareis CM, Miller JS. Increase in the Magnetic Ordering Temperature (T c) as a Function of the Applied Pressure for A 2Mn[Mn(CN) 6] (A = K, Rb, Cs) Prussian Blue Analogues. Inorg Chem 2017; 56:10452-10457. [PMID: 28809550 DOI: 10.1021/acs.inorgchem.7b01402] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Magnetization measurements under pressure reveal that the external hydrostatic pressure significantly increases in the ferrimagnetic transition temperature, Tc, for A2Mn[Mn(CN)6] (A = K, Rb, Cs). In the case of monoclinic A = K and Rb, dTc/dp values are 21.2 and 14.6 K GPa-1, respectively, and Tc increases by 53 and 39%, respectively, from ambient pressure to 1.0 GPa. The cubic A = Cs compound also shows a monotonous increase with an initial rate of 4.22 K GPa-1 and about 11.4 K GPa-1 above 0.6 GPa, and an overall Tc increase by 26% at 1.0 GPa. The increase in Tc is attributed to deformation of the structure such that the MnII-N≡C angle decreases with increasing pressure. The smaller the alkali cation, the greater the decrease in the MnII-N≡C angle induced by pressure and the larger the increase of dTc/dp. This is in accordance with the ambient-pressure structures for A2Mn[Mn(CN)6] (A = K, Rb, Cs), which have decreasing MnII-N≡C angles that correlate to the observed increasing Tcs as K > Rb > Cs. The large increase in Tc for the A = K compound is the highest class among several cyano-bridged metal complexes. The tuning of the transition temperature by such a weak pressure may lead to additional applications such as switching devices.
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Affiliation(s)
- M Sugimoto
- Department of Chemistry, Graduate School of Science, Osaka University , Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan
| | - S Yamashita
- Department of Chemistry, Graduate School of Science, Osaka University , Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan
| | - H Akutsu
- Department of Chemistry, Graduate School of Science, Osaka University , Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan
| | - Y Nakazawa
- Department of Chemistry, Graduate School of Science, Osaka University , Machikaneyama 1-1, Toyonaka, Osaka 560-0043, Japan
| | - J G DaSilva
- Department of Chemistry, University of Utah , 315 South 1400 East, Salt Lake City, Utah 84112-0850, United States
| | - C M Kareis
- Department of Chemistry, University of Utah , 315 South 1400 East, Salt Lake City, Utah 84112-0850, United States.,Material Research Science and Engineering Center, University of Utah , Salt Lake City, Utah 84112, United States
| | - Joel S Miller
- Department of Chemistry, University of Utah , 315 South 1400 East, Salt Lake City, Utah 84112-0850, United States.,Material Research Science and Engineering Center, University of Utah , Salt Lake City, Utah 84112, United States
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Takeda Y, Morishita S, Kasahara T, Kawai T, Nakatani Y, Muraki R, Yamashita S. P2358Coronary vessel responses after paclitaxel-coated balloon in diabetic patients did not differ from those in non-diabetic patients: serial volumetric intravascular ultrasound analysis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p2358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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64
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Takase H, Machii M, Nonaka D, Sugiura T, Yamashita S, Ohte N, Dohi Y. P1349Central blood pressure predicts the development of hypertension and contributes to an increase in brachial blood pressure in the general population. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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65
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Sugiura T, Dohi Y, Takase H, Yamashita S, Tanaka Y, Ohte N. P6218Serum levels of Mac-2 binding protein reflect silent atherosclerosis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p6218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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66
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Sugiura T, Dohi Y, Takase H, Yamashita S, Fujii S, Ohte N. P4427Oxidative stress is closely associated with increased arterial stiffness, especially in male smokers without previous cardiovascular events. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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67
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Takase H, Machii M, Nonaka D, Sugiura T, Yamashita S, Ohte N, Dohi Y. P4426Does airflow limitation predict the future hypertension in the normotensive general population? Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx504.p4426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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68
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Ogata A, Ogiso K, Toida S, Yamashita S, Watanabe M, Aida N. ITEMS FOR MEASURING PERSONNEL RETENTION IN INTENSIVE CARE HOME FOR THE ELDERLY. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- A. Ogata
- Nogoya University Graduate School of Economics, Nagoya, Japan,
| | - K. Ogiso
- Gifu University Nursing Course, School of Medicine, Gifu, Japan,
| | - S. Toida
- Shubun University Faculty of Nursing, Ichinomiya, Japan,
| | - S. Yamashita
- Chubu Gakuin University Faculty of Human Well-being, Seki, Japan,
| | - M. Watanabe
- School of Health Sciences, Gifu University of Medical Science, Seki, Japan,
| | - N. Aida
- Institute of Health Science, Academic Assembly School of Medicine and Health Sciences, Shinshu University, Matsumoto, Japan
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69
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Affiliation(s)
- S. Yamashita
- Sumitomo Atomic Energy Industries, Ltd. Kanda-kajicho, Chiyoda-ku, Tokyo 101, Japan
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70
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Yokogami K, Yamashita S. P03.25 Impact of PCR based molecular analysis in daily diagnosis for the patient with gliomas. Neuro Oncol 2017. [DOI: 10.1093/neuonc/nox036.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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71
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Lennernäs H, Lindahl A, Van Peer A, Ollier C, Flanagan T, Lionberger R, Nordmark A, Yamashita S, Yu L, Amidon GL, Fischer V, Sjögren E, Zane P, McAllister M, Abrahamsson B. In Vivo Predictive Dissolution (IPD) and Biopharmaceutical Modeling and Simulation: Future Use of Modern Approaches and Methodologies in a Regulatory Context. Mol Pharm 2017; 14:1307-1314. [DOI: 10.1021/acs.molpharmaceut.6b00824] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- H. Lennernäs
- Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - A. Lindahl
- Medical Products Agency, Uppsala, Sweden
| | - A. Van Peer
- Janssen
Research and Development, Janssen Pharmaceutica NV, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - C. Ollier
- Sanofi US, 55 Corporate Drive, Bridgewater, New Jersey 08807, United States
| | | | - R. Lionberger
- Office of Research
and Standards, Office of Generic Drugs, Center for Drug Evaluation
and Research, Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, Maryland 20993, United States
| | | | - S. Yamashita
- Faculty
of Pharmaceutical Sciences, Setsunan University, Nagaotoge-cho 45-1, Hirakata, Osaka 573-0101, Japan
| | - L. Yu
- Food and Drug Administration, Center for Drug Evaluation and Research, Silver Spring, Maryland 20993, United States
| | - G. L. Amidon
- College of Pharmacy, University of Michigan, Ann Arbor, Michigan 48109-1065, United States
| | - V. Fischer
- Drug Metabolism and Pharmacokinetics, Research & Development, AbbVie, North Chicago, Illinois 60064, United States
| | - E. Sjögren
- Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - P. Zane
- Sanofi US, 55 Corporate Drive, Bridgewater, New Jersey 08807, United States
| | - M. McAllister
- Pharmaceutical Development, GlaxoSmithKline, New
Frontiers Science Park, Harlow, Essex CM19
5AW, United Kingdom
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72
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Odisio BC, Yamashita S, Huang SY, Harmoush S, Kopetz SE, Ahrar K, Shin Chun Y, Conrad C, Aloia TA, Gupta S, Hicks ME, Vauthey JN. Local tumour progression after percutaneous ablation of colorectal liver metastases according to RAS mutation status. Br J Surg 2017; 104:760-768. [PMID: 28240361 DOI: 10.1002/bjs.10490] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 09/23/2016] [Accepted: 12/14/2016] [Indexed: 12/22/2022]
Abstract
BACKGROUND Percutaneous ablation is a common treatment for colorectal liver metastasis (CLM). However, the effect of rat sarcoma viral oncogene homologue (RAS) mutation on outcome after ablation of CLMs is unclear. METHODS Patients who underwent image-guided percutaneous ablation of CLMs from 2004 to 2015 and had known RAS mutation status were analysed. Patients were evaluated for local tumour progression as observed on imaging of CLMs treated with ablation. Multivariable Cox regression analysis was performed to determine factors associated with local tumour progression-free survival. RESULTS The study included 92 patients who underwent ablation of 137 CLMs. Thirty-six patients (39 per cent) had mutant RAS. Rates of local tumour progression were 14 per cent (8 of 56) for patients with wild-type RAS and 39 per cent (14 of 36) for patients with mutant RAS (P = 0·007). The actuarial 3-year local tumour progression-free survival rate after percutaneous ablation was worse in patients with mutant RAS than in those with wild-type RAS (35 versus 71 per cent respectively; P = 0·001). In multivariable analysis, negative predictors of local tumour progression-free survival were a minimum ablation margin of less than 5 mm (hazard ratio (HR) 2·48, 95 per cent c.i. 1·31 to 4·72; P = 0·006) and mutant RAS (HR 3·01, 1·60 to 5·77; P = 0·001). CONCLUSION Mutant RAS is associated with an earlier and higher rate of local tumour progression in patients undergoing ablation of CLMs.
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Affiliation(s)
- B C Odisio
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - S Yamashita
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - S Y Huang
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - S Harmoush
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - S E Kopetz
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - K Ahrar
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Y Shin Chun
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - C Conrad
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - T A Aloia
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - S Gupta
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - M E Hicks
- Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - J-N Vauthey
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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73
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Yamashita S, Passot G, Aloia TA, Chun YS, Javle M, Lee JE, Vauthey JN, Conrad C. Prognostic value of carbohydrate antigen 19-9 in patients undergoing resection of biliary tract cancer. Br J Surg 2017; 104:267-277. [PMID: 28052308 DOI: 10.1002/bjs.10415] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Revised: 09/23/2016] [Accepted: 09/30/2016] [Indexed: 01/25/2023]
Abstract
BACKGROUND The clinical significance of abnormally high levels of carbohydrate antigen (CA) 19-9 after resection of biliary tract cancer (BTC) is not well established. The aim of this study was to determine the prognostic value of CA19-9 normalization in patients undergoing resection of BTC with curative intent. METHODS Patients with BTC undergoing resection with curative intent (1996-2015) were divided into those with normal preoperative CA19-9 level (normal CA19-9 group), those with an abnormally high preoperative CA19-9 level (over 37 units/ml) and normal postoperative CA19-9 level (normalization group), and those with an abnormally high preoperative CA19-9 level and abnormally high postoperative CA19-9 level (non-normalization group). Overall survival (OS) was analysed and predictors of OS were determined. RESULTS The normal CA19-9 group (180 patients) and normalization group (74) had better OS than the non-normalization group (58) (3-year OS rate 70·4, 73 and 31 per cent respectively; both P < 0·001). The normal CA19-9 and normalization groups had equivalent OS (P = 0·880). On multivariable analysis, factors associated with worse OS were lymph node metastases (hazard ratio (HR) 1·78; P = 0·014) and abnormally high postoperative CA19-9 level (HR 3·16; P < 0·001). In the normalization group, OS did not differ after R0 versus R1 resection (3-year OS rate 69 versus 62 per cent respectively; P = 0·372); in the non-normalization group, patients with R1 resection had worse OS (3-year OS rate 36 and 20 per cent for R0 and R1 respectively; P = 0·032). CONCLUSION Non-normalization of CA19-9 level after resection of BTC with curative intent was associated with worse OS. R1 resection was associated with a particularly poor prognosis when CA19-9 levels did not normalize.
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Affiliation(s)
- S Yamashita
- Departments of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - G Passot
- Departments of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - T A Aloia
- Departments of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Y S Chun
- Departments of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - M Javle
- Departments of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - J E Lee
- Departments of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - J-N Vauthey
- Departments of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - C Conrad
- Departments of Surgical Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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74
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Tran Cao HS, Phuoc V, Ismael H, Denbo JW, Passot G, Yamashita S, Conrad C, Aloia TA, Vauthey JN. Rate of Organ Space Infection Is Reduced with the Use of an Air Leak Test During Major Hepatectomies. J Gastrointest Surg 2017; 21:85-93. [PMID: 27496092 DOI: 10.1007/s11605-016-3209-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 07/10/2016] [Indexed: 01/31/2023]
Abstract
BACKGROUND Organ/space surgical site infections (OSIs) constitute an important postoperative metric. We sought to assess the impact of a previously described air leak test (ALT) on the incidence of OSI following major hepatectomies. METHODS A single-institution hepatobiliary database was queried for patients who underwent a major hepatectomy without biliary-enteric anastomosis between January 2009 and June 2015. Demographic, clinicopathologic, and intraoperative data-including application of ALT-were analyzed for associations with postoperative outcomes, including OSI, hospital length of stay (LOS), morbidity and mortality rates, and readmission rates. RESULTS Three hundred eighteen patients were identified who met inclusion criteria, of whom 210 had an ALT. ALT and non-ALT patients did not differ in most disease and treatment characteristics, except for higher rates of trisegmentectomy among ALT patients (53 vs. 34 %, p = 0.002). ALT patients experienced lower rates of OSI and 90-day morbidity than non-ALT patients (5.2 vs. 13.0 %, p = 0.015 and 24.8 vs. 40.7 %, p = 0.003, respectively). In turn, OSI was the strongest independent predictor of longer LOS (OR = 4.89; 95 % CI, 2.80-6.97) and higher rates of 30- (OR = 32.0; 95 % CI, 10.9-93.8) and 45-day readmissions (OR = 29.4; 95 % CI, 10.2-84.6). CONCLUSIONS The use of an intraoperative ALT significantly reduces the rate of OSI following major hepatectomy and may contribute to lower post-discharge readmission rates.
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Affiliation(s)
- H S Tran Cao
- Division of Surgical Oncology, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, 2002 Holcombe Blvd., OCL 112, Houston, TX, 77030, USA.
| | - V Phuoc
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
| | - H Ismael
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
| | - J W Denbo
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
| | - G Passot
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
| | - S Yamashita
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
| | - C Conrad
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
| | - T A Aloia
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
| | - J N Vauthey
- Department of Surgical Oncology, U.T. MD Anderson Cancer Center, Houston, TX, USA
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75
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Inoue M, Yamashita S, Fujimoto K, Kofuji H, Miki S, Nagao S. Simple 40K removal by acidified water leaching for estimating low levels of radiocesium in fishery products following Fukushima Dai-ichi Nuclear Power Plant accident. Appl Radiat Isot 2016; 120:17-21. [PMID: 27902952 DOI: 10.1016/j.apradiso.2016.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 09/25/2016] [Accepted: 11/09/2016] [Indexed: 10/20/2022]
Abstract
We developed a simple method for 40K removal by acidified water leaching combined with ammonium phosphomolybdate coprecipitation, for estimating low levels of radiocesium in Japanese flounder. 40K removal from ashed samples was approximately 98%, with the radiocesium yield of ~98%. The treatment reduced the γ-spectral baseline to ~1/5 at ground and ~3/100 at underground levels (1.04 and 0.11 cph/keV, respectively). Faint signal of 134Cs, which is embedded in the Compton continuum of 40K in an untreated sample, was detected.
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Affiliation(s)
- M Inoue
- Low Level Radioactivity Laboratory, Kanazawa University, Wake O-24, Nomi, Ishikawa 923-1224, Japan.
| | - S Yamashita
- Low Level Radioactivity Laboratory, Kanazawa University, Wake O-24, Nomi, Ishikawa 923-1224, Japan
| | - K Fujimoto
- National Research Institute of Fisheries Science, Japan Fisheries Research and Education Agency, 2-12-4 Fukuura, Kanazawa, Yokohama, 236-8648, Japan
| | - H Kofuji
- Low Level Radioactivity Laboratory, Kanazawa University, Wake O-24, Nomi, Ishikawa 923-1224, Japan
| | - S Miki
- National Research Institute of Fisheries Science, Japan Fisheries Research and Education Agency, 2-12-4 Fukuura, Kanazawa, Yokohama, 236-8648, Japan
| | - S Nagao
- Low Level Radioactivity Laboratory, Kanazawa University, Wake O-24, Nomi, Ishikawa 923-1224, Japan
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76
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Kawagishi A, Yamashita S, Hatanaka R, Kodama Y, Tsuji S, Ogawa T, Osada A, Tanaka K, Komatani H, Matsuo K, Utsugi T, Iwasawa Y. TPC-144, a novel reversible LSD1 inhibitor, exhibited strong antitumor activity in preclinical models of AML and SCLC. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32853-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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77
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Mori A, Oda H, Onozawa E, Shono S, Takahashi T, Yamashita S, Fujimoto H, Sako T. Evaluation of portable blood glucose meters using canine and feline pooled blood samples. Pol J Vet Sci 2016; 19:707-713. [PMID: 28092618 DOI: 10.1515/pjvs-2016-0089] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study evaluated the accuracy and reproducibility of a human portable blood glucose meter (PBGM) for canine and feline whole blood. Reference plasma glucose values (RPGV) were concurrently measured using glucose oxidation methods. Fifteen healthy dogs and 6 healthy cats were used for blood sampling. Blood glucose concentrations and hematocrits were adjusted using pooled blood samples for our targeted values. A positive correlation between the PBGM and RPGV was found for both dogs (y = 0.877, x = -24.38, r = 0.9982, n = 73) and cats (y = 1.048, x = -27.06, r = 0.9984, n = 69). Acceptable results were obtained in error grid analysis between PBGM and RPGV in both dogs and cats; 100% of these results were within zones A and B. Following ISO recommendations, a PBGM is considered accurate if 95% of the measurements are within ± 15 mg/dl of the RPGV when the glucose concentration is <100 mg/dl and within ±15% when it is ≥100 mg/dl; however, small numbers of samples were observed inside the acceptable limits for both dogs (11%, 8 of 73 dogs) and cats (39%, 27 of 69 cats). Blood samples with high hematocrits induced lower whole blood glucose values measured by the PBGM than RPGV under hypoglycemic, normoglycemic, and hyperglycemic conditions in both dogs and cats. Therefore, this device is not clinically useful in dogs and cats. New PBGMs which automatically compensate for the hematocrit should be developed in veterinary practice.
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78
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Kumazoe M, Takai M, Bae J, Hiroi S, Huang Y, Takamatsu K, Won Y, Yamashita M, Hidaka S, Yamashita S, Yamada S, Murata M, Tsukamoto S, Tachibana H. FOXO3 is essential for CD44 expression in pancreatic cancer cells. Oncogene 2016; 36:2643-2654. [PMID: 27893718 DOI: 10.1038/onc.2016.426] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 08/27/2016] [Accepted: 10/19/2016] [Indexed: 02/06/2023]
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most fatal types of cancer and the 5-year survival rate is only 5%. Several studies have suggested that cancer stem cells (CSCs) are thought to be involved in recurrence and metastasis and so it is essential to establish an approach targeting CSCs. Here we have demonstrated that cyclic guanosine monophosphate (cGMP) suppressed CD44 expression and the properties of CSCs in PDAC. Microarray analysis suggested that cGMP inhibited Forkhead box O3 (FOXO3), which is known as a tumor suppressor. Surprisingly, our data demonstrated that FOXO3 is essential for CD44 expression and the properties of CSCs. Our data also indicated that patients with high FOXO3 activation signatures had poor prognoses. This evidence suggested that cGMP induction and FOXO3 inhibition could be ideal candidates for pancreatic CSC.
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Affiliation(s)
- M Kumazoe
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - M Takai
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - J Bae
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Hiroi
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - Y Huang
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - K Takamatsu
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - Y Won
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - M Yamashita
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Hidaka
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Yamashita
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Yamada
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - M Murata
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - S Tsukamoto
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - H Tachibana
- Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
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79
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Doki T, Yamashita S, Zhang Z, Zhang X, Tawara N, Maeda Y, Hino H, Uyama E, Araki K, Ando Y. Mitochondrial dysfunction in the pathogenesis of oculopharyngeal muscular dystrophy. Neuromuscul Disord 2016. [DOI: 10.1016/j.nmd.2016.06.198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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80
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Yamashita S, Tawara N, Doki T, Zhang X, Zhang Z, Matsuo Y, Yonemochi Y, Ando Y. Endoplasmic reticulum stress in the pathogenesis of a murine model and patients of inclusion body myositis. Neuromuscul Disord 2016. [DOI: 10.1016/j.nmd.2016.06.422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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81
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Yokogami K, Mizuguchi A, Yamashita S, Morishita K, Takeshima H. P01.06 Function of ecotropic viral integration site 1 (EVI1) gene in human glioma cells. Neuro Oncol 2016. [DOI: 10.1093/neuonc/now188.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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82
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Tawara N, Yamashita S, Korogi M, Zhang X, Doki T, Nakane S, Maeda Y, Ando Y. Effect of anti-cytosolic 5′-nucleotidase 1A (NT5C1A) antibody on cultured muscle cells and muscle fibers of mice. Neuromuscul Disord 2016. [DOI: 10.1016/j.nmd.2016.06.417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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83
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Niwa O, Barcellos-Hoff MH, Globus RK, Harrison JD, Hendry JH, Jacob P, Martin MT, Seed TM, Shay JW, Story MD, Suzuki K, Yamashita S. ICRP Publication 131: Stem Cell Biology with Respect to Carcinogenesis Aspects of Radiological Protection. Ann ICRP 2016; 44:7-357. [PMID: 26637346 DOI: 10.1177/0146645315595585] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This report provides a review of stem cells/progenitor cells and their responses to ionising radiation in relation to issues relevant to stochastic effects of radiation that form a major part of the International Commission on Radiological Protection's system of radiological protection. Current information on stem cell characteristics, maintenance and renewal, evolution with age, location in stem cell 'niches', and radiosensitivity to acute and protracted exposures is presented in a series of substantial reviews as annexes concerning haematopoietic tissue, mammary gland, thyroid, digestive tract, lung, skin, and bone. This foundation of knowledge of stem cells is used in the main text of the report to provide a biological insight into issues such as the linear-no-threshold (LNT) model, cancer risk among tissues, dose-rate effects, and changes in the risk of radiation carcinogenesis by age at exposure and attained age. Knowledge of the biology and associated radiation biology of stem cells and progenitor cells is more developed in tissues that renew fairly rapidly, such as haematopoietic tissue, intestinal mucosa, and epidermis, although all the tissues considered here possess stem cell populations. Important features of stem cell maintenance, renewal, and response are the microenvironmental signals operating in the niche residence, for which a well-defined spatial location has been identified in some tissues. The identity of the target cell for carcinogenesis continues to point to the more primitive stem cell population that is mostly quiescent, and hence able to accumulate the protracted sequence of mutations necessary to result in malignancy. In addition, there is some potential for daughter progenitor cells to be target cells in particular cases, such as in haematopoietic tissue and in skin. Several biological processes could contribute to protecting stem cells from mutation accumulation: (a) accurate DNA repair; (b) rapidly induced death of injured stem cells; (c) retention of the DNA parental template strand during divisions in some tissue systems, so that mutations are passed to the daughter differentiating cells and not retained in the parental cell; and (d) stem cell competition, whereby undamaged stem cells outcompete damaged stem cells for residence in the niche. DNA repair mainly occurs within a few days of irradiation, while stem cell competition requires weeks or many months depending on the tissue type. The aforementioned processes may contribute to the differences in carcinogenic radiation risk values between tissues, and may help to explain why a rapidly replicating tissue such as small intestine is less prone to such risk. The processes also provide a mechanistic insight relevant to the LNT model, and the relative and absolute risk models. The radiobiological knowledge also provides a scientific insight into discussions of the dose and dose-rate effectiveness factor currently used in radiological protection guidelines. In addition, the biological information contributes potential reasons for the age-dependent sensitivity to radiation carcinogenesis, including the effects of in-utero exposure.
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84
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Oikawa S, Yamashita S, Nakaya N, Sasaki J, Kono S, G. EFECTL Study Investigators. Efficacy and safety of long-term coadministration of fenofibrate and ezetimibe in patients with combined hyperlipidemia: Results of the efectl trial. Atherosclerosis 2016. [DOI: 10.1016/j.atherosclerosis.2016.07.217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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85
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Kamiya K, Ishikawa T, Yasumura S, Sakai A, Ohira T, Takahashi H, Ohtsuru A, Suzuki S, Hosoya M, Maeda M, Yabe H, Fujimori K, Yamashita S, Ohto H, Abe M. EXTERNAL AND INTERNAL EXPOSURE TO FUKUSHIMA RESIDENTS. Radiat Prot Dosimetry 2016; 171:7-13. [PMID: 27473698 DOI: 10.1093/rpd/ncw185] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The Great East Japan Earthquake of 11 March 2011, caused the Fukushima Daiichi Nuclear Power Plant Accident, which resulted in the release of a large amount of radioactive materials into the environment, and there is a serious concern about the radiation effects on the health of residents living in the affected areas. The evaluation of exposure dose is fundamental for the estimation of health effects, and whenever possible, the exposure dose should be evaluated by actual measurements as opposed to estimations. Here, the outline of the exposure doses of residents estimated from surveys or obtained by measurements is described. Fukushima Health Management Survey reported the results for 460 408 residents during the first 4 months after the accident; 66.3% received doses <1 mSv, 94.9% received <2 mSv, 99.7% received <5 mSv and the maximum dose was 25 mSv. Thus, it was demonstrated that the results from personal dosemeter measurements were comparable to the estimations. The dose assessment of internal exposure of 184 205 residents conducted by Fukushima Prefecture by using whole body counter showed that 99.986% received <1 mSv, with the maximum dose being 3 mSv. Regarding exposure of the thyroid, there is not enough data for the Fukushima accident, but it is presumed that thyroid doses are much lower than those from Chernobyl. The outline of exposure doses of residents in result of the accident is still being clarified, questions and uncertainties in dose assessment remain and further efforts for more accurate dosimetry are required continuously.
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Affiliation(s)
- K Kamiya
- Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima 734-8553, Japan Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan
| | - T Ishikawa
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - S Yasumura
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - A Sakai
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - T Ohira
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - H Takahashi
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan
| | - A Ohtsuru
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - S Suzuki
- School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - M Hosoya
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - M Maeda
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - H Yabe
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - K Fujimori
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - S Yamashita
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan Atomic Bomb Disease Institute, Nagasaki University, Nagasaki 852-8521, Japan
| | - H Ohto
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan School of Medicine, Fukushima Medical University, Fukushima 960-1295, Japan
| | - Masafumi Abe
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima 960-1295, Japan
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86
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Yamashita S, Takamura N, Ohtsuru A, Suzuki S. Radiation Exposure and Thyroid Cancer Risk After the Fukushima Nuclear Power Plant Accident in Comparison with the Chernobyl Accident. Radiat Prot Dosimetry 2016; 171:41-46. [PMID: 27473699 DOI: 10.1093/rpd/ncw189] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The actual implementation of the epidemiological study on human health risk from low dose and low-dose rate radiation exposure and the comprehensive long-term radiation health effects survey are important especially after radiological and nuclear accidents because of public fear and concern about the long-term health effects of low-dose radiation exposure have increased considerably. Since the Great East Japan earthquake and the Fukushima Daiichi Nuclear Power Plant accident in Japan, Fukushima Prefecture has started the Fukushima Health Management Survey Project for the purpose of long-term health care administration and medical early diagnosis/treatment for the prefectural residents. Especially on a basis of the lessons learned from the Chernobyl accident, both thyroid examination and mental health care are critically important irrespective of the level of radiation exposure. There are considerable differences between Chernobyl and Fukushima regarding radiation dose to the public, and it is very difficult to estimate retrospectively internal exposure dose from the short-lived radioactive iodines. Therefore, the necessity of thyroid ultrasound examination in Fukushima and the intermediate results of this survey targeting children will be reviewed and discussed in order to avoid any misunderstanding or misinterpretation of the high detection rate of childhood thyroid cancer.
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Affiliation(s)
- S Yamashita
- Department of Radiation Medical Sciences, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - N Takamura
- Department of Global Health Medicine and Welfare, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - A Ohtsuru
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan Department of Radiation Health Management, Fukushima Medical University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - S Suzuki
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan Department of Thyroidology and Endocrinology, Fukushima Medical University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
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87
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Sairyo M, Masuda D, Kobayashi T, Matsuda H, Okada T, Kawase R, Nakatani K, Koseki M, Ohama T, Nishida M, Sakata Y, Yamashita S. DPP4 inhibitor, anagliptin, ameliorates fasting and postprandial hypertriglyceridemia. Atherosclerosis 2016. [DOI: 10.1016/j.atherosclerosis.2016.07.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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88
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Takamura N, Taira Y, Yoshida K, Nakashima-Hashiguchi K, Orita M, Yamashita S. Communicating Radiation Risk to the Population of Fukushima. Radiat Prot Dosimetry 2016; 171:23-26. [PMID: 27473692 DOI: 10.1093/rpd/ncw184] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Radiological specialists from Nagasaki University have served on the medical relief team organized at Fukushima Medical University Hospital (Fukushima City) ever since the accident at the Fukushima Dai-ichi nuclear power plant. Furthermore, we have conducted the radiation crisis communication efforts by spreading correct information on the health effects of radiation as 'advisors on radiation health risk control'. Nagasaki University has been assisting the reconstruction efforts of Kawauchi Village in Fukushima Prefecture, which was the first village to declare that residents could safely return to their homes because radiation doses were found to be at comparatively low levels. In April 2013, Nagasaki University and the Kawauchi government office concluded an agreement concerning comprehensive cooperation toward reconstruction of the village. As a result, we established a satellite facility of the university in the village. In conclusion, training of specialists who can take responsibility for long-term risk communication regarding the health effects of radiation as well as crisis communication in the initial phase of the accident is an essential component of all such recovery efforts. Establishment of a training system for such specialists will be very important both for Japan and other countries worldwide.
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Affiliation(s)
- N Takamura
- Department of Global Health, Medicine and Welfare, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - Y Taira
- Department of Global Health, Medicine and Welfare, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - K Yoshida
- Department of Global Health, Medicine and Welfare, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - K Nakashima-Hashiguchi
- Department of Global Health, Medicine and Welfare, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - M Orita
- Department of Global Health, Medicine and Welfare, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
| | - S Yamashita
- Department of Radiation Medical Sciences, Atomic Bomb Disease Institute, Nagasaki University, 1-12-4 Sakamoto, Nagasaki 8528523, Japan
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89
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Di Lemma F, Nakajima K, Yamashita S, Osaka M. Surface analyses of cesium hydroxide chemisorbed onto type 304 stainless steel. Nuclear Engineering and Design 2016. [DOI: 10.1016/j.nucengdes.2016.06.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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90
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Mori A, Yamashita S, Nakajima M, Hori H, Tawara A, Matsuo Y, Misumi Y, Ando Y. CMAP decrement as a potential diagnostic marker for ALS. Acta Neurol Scand 2016; 134:49-53. [PMID: 26434688 DOI: 10.1111/ane.12510] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2015] [Indexed: 12/11/2022]
Abstract
OBJECTIVE We previously reported that decrement of compound muscle action potential (CMAP) by repetitive nerve stimulation (RNS) was greater in the median nerves than in the ulnar nerves of patients with amyotrophic lateral sclerosis (ALS). The aim of this study was to evaluate whether CMAP decrement by RNS is a feasible marker for the differentiation of ALS from other diseases. MATERIALS & METHODS We performed RNS in the median and ulnar nerves of 51 patients with ALS and 40 patients with other diseases. RESULTS The CMAP decrement was significantly greater in the median nerves of patients with ALS, compared to the disease control patients. In the median nerves of patients with ALS, CMAP decrement was significantly greater in the cervical region-onset group than in the other region-onset group. CONCLUSIONS The finding of CMAP decrement in the median nerves can be useful for differentiating ALS patients with cervical region onset from other controls with active neuropathic diseases.
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Affiliation(s)
- A. Mori
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - S. Yamashita
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - M. Nakajima
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - H. Hori
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - A. Tawara
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - Y. Matsuo
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - Y. Misumi
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
| | - Y. Ando
- Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Chuo-ku Kumamoto Japan
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91
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Sakai N, Takehara Y, Yamashita S, Ohishi N, Kawaji H, Sameshima T, Baba S, Sakahara H, Namba H. Shear Stiffness of 4 Common Intracranial Tumors Measured Using MR Elastography: Comparison with Intraoperative Consistency Grading. AJNR Am J Neuroradiol 2016; 37:1851-1859. [PMID: 27339950 DOI: 10.3174/ajnr.a4832] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 04/11/2016] [Indexed: 01/22/2023]
Abstract
BACKGROUND AND PURPOSE The stiffness of intracranial tumors affects the outcome of tumor removal. We evaluated the stiffness of 4 common intracranial tumors by using MR elastography and tested whether MR elastography had the potential to discriminate firm tumors preoperatively. MATERIALS AND METHODS Thirty-four patients with meningiomas, pituitary adenomas, vestibular schwannomas, and gliomas scheduled for resection were recruited for MR elastography. On the elastogram, the mean and the maximum shear stiffnesses were measured by placing an ROI on the tumor. Blinded to the MR elastography findings, surgeons conducted qualitative intraoperative assessment of tumor consistency by using a 5-point scale. Histopathologic diagnosis was confirmed by using the resected specimens. The mean and maximum shear stiffnesses were compared with histopathologic subtypes, and the intraoperative tumor consistency was graded by the surgeons. RESULTS The mean and maximum shear stiffnesses were the following: 1.9 ± 0.8 kPa and 3.4 ± 1.5 kPa for meningiomas, 1.2 ± 0.3 kPa and 1.8 ± 0.5 kPa for pituitary adenomas, 2.0 ± 0.4 kPa and 2.7 ± 0.8 kPa for vestibular schwannomas, and 1.5 ± 0.2 kPa and 2.7 ± 0.8 kPa for gliomas. The mean and maximum shear stiffnesses for meningiomas were higher than those of pituitary adenomas (P < .05). The mean and maximum shear stiffnesses were significantly correlated with the surgeon's qualitative assessment of tumor consistency (P < .05). The maximum shear stiffness for 5 firm tumors was higher than that of nonfirm tumors (P < .05). CONCLUSIONS MR elastography could evaluate intracranial tumors on the basis of their physical property of shear stiffness. MR elastography may be useful in discriminating firm tumors preoperatively.
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Affiliation(s)
- N Sakai
- From the Departments of Neurosurgery (N.S., H.K., T.S., H.N.)
| | | | - S Yamashita
- Diagnostic Radiology and Nuclear Medicine (S.Y., H.S.)
| | | | - H Kawaji
- From the Departments of Neurosurgery (N.S., H.K., T.S., H.N.)
| | - T Sameshima
- From the Departments of Neurosurgery (N.S., H.K., T.S., H.N.)
| | - S Baba
- Diagnostic Pathology (S.B.), Hamamatsu University Hospital, Hamamatsu, Japan
| | - H Sakahara
- Diagnostic Radiology and Nuclear Medicine (S.Y., H.S.)
| | - H Namba
- From the Departments of Neurosurgery (N.S., H.K., T.S., H.N.)
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92
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Balasubramanian P, Yamashita S. Area/latency optimized early output asynchronous full adders and relative-timed ripple carry adders. Springerplus 2016; 5:440. [PMID: 27104128 PMCID: PMC4828369 DOI: 10.1186/s40064-016-2074-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 03/30/2016] [Indexed: 11/26/2022]
Abstract
This article presents two area/latency optimized gate level asynchronous full adder designs which correspond to early output logic. The proposed full adders are constructed using the delay-insensitive dual-rail code and adhere to the four-phase return-to-zero handshaking. For an asynchronous ripple carry adder (RCA) constructed using the proposed early output full adders, the relative-timing assumption becomes necessary and the inherent advantages of the relative-timed RCA are: (1) computation with valid inputs, i.e., forward latency is data-dependent, and (2) computation with spacer inputs involves a bare minimum constant reverse latency of just one full adder delay, thus resulting in the optimal cycle time. With respect to different 32-bit RCA implementations, and in comparison with the optimized strong-indication, weak-indication, and early output full adder designs, one of the proposed early output full adders achieves respective reductions in latency by 67.8, 12.3 and 6.1 %, while the other proposed early output full adder achieves corresponding reductions in area by 32.6, 24.6 and 6.9 %, with practically no power penalty. Further, the proposed early output full adders based asynchronous RCAs enable minimum reductions in cycle time by 83.4, 15, and 8.8 % when considering carry-propagation over the entire RCA width of 32-bits, and maximum reductions in cycle time by 97.5, 27.4, and 22.4 % for the consideration of a typical carry chain length of 4 full adder stages, when compared to the least of the cycle time estimates of various strong-indication, weak-indication, and early output asynchronous RCAs of similar size. All the asynchronous full adders and RCAs were realized using standard cells in a semi-custom design fashion based on a 32/28 nm CMOS process technology.
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Affiliation(s)
- P Balasubramanian
- School of Computer Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798 Singapore
| | - S Yamashita
- Department of Computer Science, College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga 525-8577 Japan
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93
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Hendry JH, Niwa O, Barcellos-Hoff MH, Globus RK, Harrison JD, Martin MT, Seed TM, Shay JW, Story MD, Suzuki K, Yamashita S. ICRP Publication 131: Stem cell biology with respect to carcinogenesis aspects of radiological protection. Ann ICRP 2016; 45:239-52. [PMID: 26956677 DOI: 10.1177/0146645315621849] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Current knowledge of stem cell characteristics, maintenance and renewal, evolution with age, location in 'niches', and radiosensitivity to acute and protracted exposures is reviewed regarding haematopoietic tissue, mammary gland, thyroid, digestive tract, lung, skin, and bone. The identity of the target cells for carcinogenesis continues to point to the more primitive and mostly quiescent stem cell population (able to accumulate the protracted sequence of mutations necessary to result in malignancy), and, in a few tissues, to daughter progenitor cells. Several biological processes could contribute to the protection of stem cells from mutation accumulation: (1) accurate DNA repair; (2) rapid induced death of injured stem cells; (3) retention of the intact parental strand during divisions in some tissues so that mutations are passed to the daughter differentiating cells; and (4) stem cell competition, whereby undamaged stem cells outcompete damaged stem cells for residence in the vital niche. DNA repair mainly operates within a few days of irradiation, while stem cell replications and competition require weeks or many months depending on the tissue type. This foundation is used to provide a biological insight to protection issues including the linear-non-threshold and relative risk models, differences in cancer risk between tissues, dose-rate effects, and changes in the risk of radiation carcinogenesis by age at exposure and attained age.
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Affiliation(s)
- J H Hendry
- Christie Medical Physics and Bioengineering, Christie Hospital NHS Foundation Trust and University of Manchester, Manchester M20 4BX, UK
| | - O Niwa
- Fukushima Medical University and Radiation Effects Research Foundation, Japan
| | - M H Barcellos-Hoff
- Radiation Oncology and Cell Biology, New York University School of Medicine, USA
| | - R K Globus
- Bone and Signaling Laboratory, Space Biosciences Research Branch, NASA Ames Research Center, USA
| | - J D Harrison
- Centre for Radiation, Chemical and Environmental Hazards, Health Protection Directorate, Public Health England, UK
| | - M T Martin
- Laboratoire de Genomique et Radiobiologie de la Kertinopoiese, CEA, France
| | | | - J W Shay
- Radiation Oncology, Simmons Cancer Center, University of Texas, Southwestern Medical Center, USA
| | - M D Story
- Radiation Oncology, Simmons Cancer Center, University of Texas, Southwestern Medical Center, USA
| | - K Suzuki
- Radiation Medical Sciences, Atomic Bomb Disease Institute, Nagasaki University, Japan
| | - S Yamashita
- Radiation Medical Sciences, Atomic Bomb Disease Institute, Nagasaki University, Japan
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94
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Azuma M, Hirai T, Yamada K, Yamashita S, Ando Y, Tateishi M, Iryo Y, Yoneda T, Kitajima M, Wang Y, Yamashita Y. Lateral Asymmetry and Spatial Difference of Iron Deposition in the Substantia Nigra of Patients with Parkinson Disease Measured with Quantitative Susceptibility Mapping. AJNR Am J Neuroradiol 2016; 37:782-8. [PMID: 26822728 DOI: 10.3174/ajnr.a4645] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 10/03/2015] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND PURPOSE Quantitative susceptibility mapping is useful for assessing iron deposition in the substantia nigra of patients with Parkinson disease. We aimed to determine whether quantitative susceptibility mapping is useful for assessing the lateral asymmetry and spatial difference in iron deposits in the substantia nigra of patients with Parkinson disease. MATERIALS AND METHODS Our study population comprised 24 patients with Parkinson disease and 24 age- and sex-matched healthy controls. They underwent 3T MR imaging by using a 3D multiecho gradient-echo sequence. On reconstructed quantitative susceptibility mapping, we measured the susceptibility values in the anterior, middle, and posterior parts of the substantia nigra, the whole substantia nigra, and other deep gray matter structures in both hemibrains. To identify the more and less affected hemibrains in patients with Parkinson disease, we assessed the severity of movement symptoms for each hemibrain by using the Unified Parkinson's Disease Rating Scale. RESULTS In the posterior substantia nigra of patients with Parkinson disease, the mean susceptibility value was significantly higher in the more than the less affected hemibrain substantia nigra (P < .05). This value was significantly higher in both the more and less affected hemibrains of patients with Parkinson disease than in controls (P < .05). Asymmetry of the mean susceptibility values was significantly greater for patients than controls (P < .05). Receiver operating characteristic analysis showed that quantitative susceptibility mapping of the posterior substantia nigra in the more affected hemibrain provided the highest power for discriminating patients with Parkinson disease from the controls. CONCLUSIONS Quantitative susceptibility mapping is useful for assessing the lateral asymmetry and spatial difference of iron deposition in the substantia nigra of patients with Parkinson disease.
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Affiliation(s)
- M Azuma
- From the Departments of Diagnostic Radiology (M.A., M.T., Y.I., M.K., Y.Y.)
| | - T Hirai
- Department of Radiology (T.H.), Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | | | - S Yamashita
- Neurology (S.Y., Y.A.), Graduate School of Medical Sciences
| | - Y Ando
- Neurology (S.Y., Y.A.), Graduate School of Medical Sciences
| | - M Tateishi
- From the Departments of Diagnostic Radiology (M.A., M.T., Y.I., M.K., Y.Y.)
| | - Y Iryo
- From the Departments of Diagnostic Radiology (M.A., M.T., Y.I., M.K., Y.Y.)
| | - T Yoneda
- Department of Medical Physics in Advanced Biomedical Sciences (T.Y.), Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - M Kitajima
- From the Departments of Diagnostic Radiology (M.A., M.T., Y.I., M.K., Y.Y.)
| | - Y Wang
- Department of Radiology (Y.W.), Weill Cornell Medical College, New York, New York
| | - Y Yamashita
- From the Departments of Diagnostic Radiology (M.A., M.T., Y.I., M.K., Y.Y.)
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95
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Yamashita S. Comprehensive Health Risk Management after the Fukushima Nuclear Power Plant Accident. Clin Oncol (R Coll Radiol) 2016; 28:255-262. [PMID: 26817782 DOI: 10.1016/j.clon.2016.01.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2015] [Accepted: 01/04/2015] [Indexed: 10/22/2022]
Abstract
Five years have passed since the Great East Japan Earthquake and the subsequent Fukushima Daiichi Nuclear Power Plant accident on 11 March 2011. Countermeasures aimed at human protection during the emergency period, including evacuation, sheltering and control of the food chain were implemented in a timely manner by the Japanese Government. However, there is an apparent need for improvement, especially in the areas of nuclear safety and protection, and also in the management of radiation health risk during and even after the accident. Continuous monitoring and characterisation of the levels of radioactivity in the environment and foods in Fukushima are now essential for obtaining informed consent to the decisions on living in the radio-contaminated areas and also on returning back to the evacuated areas once re-entry is allowed; it is also important to carry out a realistic assessment of the radiation doses on the basis of measurements. Until now, various types of radiation health risk management projects and research have been implemented in Fukushima, among which the Fukushima Health Management Survey is the largest health monitoring project. It includes the Basic Survey for the estimation of external radiation doses received during the first 4 months after the accident and four detailed surveys: thyroid ultrasound examination, comprehensive health check-up, mental health and lifestyle survey, and survey on pregnant women and nursing mothers, with the aim to prospectively take care of the health of all the residents of Fukushima Prefecture for a long time. In particular, among evacuees of the Fukushima Nuclear Power Plant accident, concern about radiation risk is associated with psychological stresses. Here, ongoing health risk management will be reviewed, focusing on the difficult challenge of post-disaster recovery and resilience in Fukushima.
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Affiliation(s)
- S Yamashita
- Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima, Japan; Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan.
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96
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Sakagami N, Nishida K, Misumi K, Hirayama Y, Yamashita S, Hoshi H, Misawa H, Akiyama K, Suzuki C, Yoshioka K. The relationship between oxygen consumption rate and viability of in vivo-derived pig embryos vitrified by the micro volume air cooling method. Anim Reprod Sci 2016; 164:40-6. [DOI: 10.1016/j.anireprosci.2015.11.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 10/30/2015] [Accepted: 11/02/2015] [Indexed: 11/26/2022]
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97
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Kusano K, Nomura M, Toju K, Ishikawa Y, Minamijima Y, Yamashita S, Nagata S. Pharmacokinetics of procaterol in thoroughbred horses. J Vet Pharmacol Ther 2015; 39:264-70. [PMID: 26538319 DOI: 10.1111/jvp.12272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 09/19/2015] [Indexed: 11/29/2022]
Abstract
Procaterol (PCR) is a beta-2-adrenergic bronchodilator widely used in Japanese racehorses for treating lower respiratory disease. The pharmacokinetics of PCR following single intravenous (0.5 μg/kg) and oral (2.0 μg/kg) administrations were investigated in six thoroughbred horses. Plasma and urine concentrations of PCR were measured using liquid chromatography-mass spectrometry. Plasma PCR concentration following intravenous administration showed a biphasic elimination pattern. The systemic clearance was 0.47 ± 0.16 L/h/kg, the steady-state volume of the distribution was 1.21 ± 0.23 L/kg, and the elimination half-life was 2.85 ± 1.35 h. Heart rate rapidly increased after intravenous administration and gradually decreased thereafter. A strong correlation between heart rate and plasma concentration of PCR was observed. Plasma concentrations of PCR after oral administration were not quantifiable in all horses. Urine concentrations of PCR following intravenous and oral administrations were quantified in all horses until 32 h after administration. Urine PCR concentrations were not significantly different on and after 24 h between intravenous and oral administrations. These results suggest that the bioavailability of orally administrated PCR in horses is very poor, and the drug was eliminated from the body slowly based on urinary concentrations. This report is the first study to demonstrate the pharmacokinetic character of PCR in thoroughbred horses.
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Affiliation(s)
- K Kusano
- Equine Department, Japan Racing Association, Minato, Tokyo, Japan
| | - M Nomura
- Racehorse Hospital, Ritto Training Center, Japan Racing Association, Ritto, Shiga, Japan
| | - K Toju
- Racehorse Hospital, Ritto Training Center, Japan Racing Association, Ritto, Shiga, Japan
| | - Y Ishikawa
- Racehorse Hospital, Ritto Training Center, Japan Racing Association, Ritto, Shiga, Japan
| | - Y Minamijima
- Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
| | - S Yamashita
- Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
| | - S Nagata
- Laboratory of Racing Chemistry, Utsunomiya, Tochigi, Japan
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98
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Kuboki Y, Yamashita S, Niwa T, Ushijima T, Nagatsuma A, Kuwata T, Yoshino T, Doi T, Ochiai A, Ohtsu A. Comprehensive analyses using next-generation sequencing and immunohistochemistry enable precise treatment in advanced gastric cancer. Ann Oncol 2015; 27:127-33. [PMID: 26489445 DOI: 10.1093/annonc/mdv508] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 10/09/2015] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND In advanced gastric cancer (AGC), most clinical trials are designed on the basis of protein expression or gene amplification of specific genes. Recently, next-generation sequencing (NGS) allowed us to comprehensively profile the tumor gene status. This study aimed to elucidate the profiling between gene alterations and protein expression in AGC to aid in future clinical trials on AGC. PATIENTS AND METHODS Formalin-fixed, paraffin-embedded tumor samples from 121 stage III/IV gastric cancer patients were examined for protein expression of tyrosine kinase receptors (RTKs; ERBB2, EGFR, c-MET, and FGFR2) using immunohistochemistry (IHC). Furthermore, 409 cancer-related genes were sequenced to detect mutations and copy number variations using NGS. RESULTS Most ERBB2 overexpression (IHC 3+) cases (80.0%) had ERBB2 amplification and did not have other RTK amplification or oncogene mutations. However, one-fourth of MET overexpression cases (25.0%) had ERBB2 alterations. EGFR and FGFR2 overexpression cases had ERBB2 alterations or other gene alterations such as KRAS or PIK3CA. On the other hand, most of the four RTK amplification cases (88.2%) were mutually exclusive with each amplification. However, RTK amplification did not simply correlate with protein overexpression, whereas cases with RTK high-level amplification had protein overexpression and rarely showed other co-existing gene alterations. CONCLUSION AGC involves a complicated arrangement of protein expression and gene alterations. Comprehensive analyses of NGS and IHC will be necessary to design the optimal therapy for treating the appropriate population of patients in future clinical trials.
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Affiliation(s)
- Y Kuboki
- Department of Experimental Therapeutics, National Cancer Center Hospital East, Chiba Division of Pathology, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center, Chiba Medical Science Program, Graduate School of Medicine, Keio University, Tokyo Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Chiba
| | - S Yamashita
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo
| | - T Niwa
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo
| | - T Ushijima
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo
| | - A Nagatsuma
- Division of Pathology, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center, Chiba
| | - T Kuwata
- Division of Pathology, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center, Chiba
| | - T Yoshino
- Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Chiba
| | - T Doi
- Department of Experimental Therapeutics, National Cancer Center Hospital East, Chiba Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Chiba
| | - A Ochiai
- Division of Pathology, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center, Chiba Medical Science Program, Graduate School of Medicine, Keio University, Tokyo
| | - A Ohtsu
- Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan
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99
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Tawara N, Yamashita S, Nishikami T, Nakajou Y, Doki T, Matsuo Y, Yonemochi Y, Maeda Y, Ando Y. A single center analysis of the clinicopathological findings of anti-cytosolic 5′-nucleotidase 1a antibody-positive sporadic inclusion body myositis. Neuromuscul Disord 2015. [DOI: 10.1016/j.nmd.2015.06.197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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100
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Yasumura S, Ishikawa T, Ohira T, Yamashita S, Kamiya K, Abe M, Group TFHMS. Overview and Result of the Fukushima Health Management Survey. Int J Epidemiol 2015. [DOI: 10.1093/ije/dyv096.185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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