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Saruwatari K, Ishii G, Nomura S, Kirita K, Umemura S, Matsumoto S, Yoh K, Niho S, Ohmatsu H, Tsuboi M, Kowanetz M, Sakai M, Itabashi J, Kamihara Y, Shiokawa R, Morioka A, Ueda M, Goto K. Clinicopathological analysis of programmed death-ligand 1 (PD-L1) expression on tumor cells (TC) and tumor-infiltrating immune cells (IC) in surgically resected non-small cell lung cancer (NSCLC) patients (pts). Ann Oncol 2016. [DOI: 10.1093/annonc/mdw381.04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Sato K, Matsushima H, Ueda M. Electrodeposition of Al-W Alloys in AlCl3-NaCl-KCl Molten Salt Containing WCl4. ACTA ACUST UNITED AC 2016. [DOI: 10.1149/07515.0305ecst] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Yamada T, Matsuoka K, Watanabe R, Kumata S, Ito A, Taira A, Sakane T, Matsuoka T, Nagai S, Ueda M, Miyamoto Y. P-211INTERVENTIONS FOR CHYLOTHORAX COMPLICATING THORACIC SURGERY. Interact Cardiovasc Thorac Surg 2016. [DOI: 10.1093/icvts/ivw260.209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Takashima S, Ueda M, Shibata A, Takayama F, Momose M, Yamashita K. MR imaging of the lingual thyroid: Comparison to other submucosal lesions. Acta Radiol 2016; 42:376-82. [PMID: 11442461 DOI: 10.1080/028418501127347016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Purpose: To study MR findings for clues to the diagnosis of lingual thyroid. Material and Methods: MR findings and clinical and scintigraphic data of 5 cases of lingual thyroid were reviewed and the MR findings were compared to those of 16 cases of other submucosal lesions in the base of the tongue. Results: Four of the 5 patients with lingual thyroid were women and all had hypothyroidism. MR imaging depicted lingual thyroid in the midline in the base of the tongue (n=5) and additional ectopic thyroid glands in the floor of the mouth (n=2) or between the right and left sternohyoid muscles (n=1). Ectopic thyroid glands appeared isointense or hyperintense relative to muscle tissue on T1-weighted images and showed slight or fair contrast enhancement. All glands had low to intermediate T2 signal, which was also seen in 1 case of non-Hodgkin's lymphoma and 1 case of adenoid cystic carcinoma. All ectopic thyroid glands had well-defined margins, whereas malignant tumors tended to have ill-defined margins and to invade the surrounding structures. All but the 5 cases of lingual thyroid had an MR-demonstrable thyroid gland in the normal cervical position. Conclusion: A well-defined mass of low-intermediate T2 signal in the midline base of the tongue, neither with invasive tendency nor with a cervical thyroid gland in the normal site on MR imaging, may strongly indicate lingual thyroid.
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Fujita R, Ota S, Ueda M, Aimoto K, Nakanishi A. FRI0639-HPR Gender Differences in Acute Influence of Restricted Ankle Dorsiflexion Angle on Knee Adduction Moment during Gait. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Nakamoto Y, Ishimori T, Sano K, Temma T, Ueda M, Saji H, Togashi K. Clinical efficacy of dual-phase scanning using (68)Ga-DOTATOC-PET/CT in the detection of neuroendocrine tumours. Clin Radiol 2016; 71:1069.e1-1069.e5. [PMID: 27210241 DOI: 10.1016/j.crad.2016.04.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 03/07/2016] [Accepted: 04/14/2016] [Indexed: 11/28/2022]
Abstract
AIM To investigate whether delayed scanning at approximately 90 minutes post-injection of (68)Ga-labelled 1,4,7,10-tetraazacyclododecane-N,N',N″,N‴-tetraacetic acid-d-Phe(1)-Tyr(3)-octreotide (DOTATOC) had any clinical benefits regarding the evaluation of neuroendocrine tumours (NETs), relative to conventional combined positron-emission tomography (PET) and computed tomography (CT) at 60 minutes post-injection. MATERIALS AND METHODS Fifty-four patients who underwent DOTATOC-PET/CT for suspected or known NETs were retrospectively reviewed. PET/CT was performed twice at approximately 60 and 90 minutes post-injection. For visual analysis, a five-point grading scale (0: definitely normal to 4: definitely abnormal) was used, and grade 3-4 lesions were regarded as positive. For quantitative analysis, the time course of the maximum standardised uptake value (SUVmax) in each lesion and the mean SUV of physiological uptake in the liver were evaluated. RESULTS Of the 54 patients, 43 had a total of 132 lesions. In interpreting the early images, there were four grade 3 lesions, and the remaining 128 lesions were grade 4. All 132 lesions were grade 4 in the delayed images. SUVs and tumour-to-liver ratios for hepatic lesions were slightly higher in delayed scanning than in early scanning (SUV, 26.8±21.2 versus 28.2±21.2 [p<0.01]; tumour-to-liver ratio, 5.9±4.5 versus 6.2±4.6 [p<0.01]), which did not affect the detection rate. Additionally, bone and peritoneal metastases had slightly higher SUVs at delayed imaging (p<0.05), but there was no difference in diagnostic performance. No significant difference in the SUVs for pancreatic lesions and primary sites in the bowel were observed between the early and delayed scans. CONCLUSION Delayed scanning may be helpful for improving diagnostic confidence in some cases, although it provided no specific merits for diagnostic accuracy in detecting primary or metastatic NETs.
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Suda S, Okubo S, Ueda M, Sowa K, Abe A, Aoki J, Muraga K, Suzuki K, Sakamoto Y, Mizuta I, Mizuno T, Kimura K. A Japanese CADASIL kindred with a novel two-baseNOTCH3mutation. Eur J Neurol 2016; 23:e32-4. [DOI: 10.1111/ene.12977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 01/18/2016] [Indexed: 11/29/2022]
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Hayashi Y, Watanabe T, Aoki A, Ishiguro S, Ueda M, Akiyama K, Kato K, Inoue Y, Tsuchimine S, Yasui-Furukori N, Shimoda K. Factors Affecting Steady-state Plasma Concentrations of Enantiomeric Mirtazapine and its Desmethylated Metabolites in Japanese Psychiatric Patients. PHARMACOPSYCHIATRY 2015; 48:279-85. [DOI: 10.1055/s-0035-1565069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Inoue Y, Nakajima M, Uetani H, Hirai T, Ueda M, Kitajima M, Utsunomiya D, Watanabe M, Hashimoto M, Ikeda M, Yamashita Y, Ando Y. Diagnostic Significance of Cortical Superficial Siderosis for Alzheimer Disease in Patients with Cognitive Impairment. AJNR Am J Neuroradiol 2015; 37:223-7. [PMID: 26450535 DOI: 10.3174/ajnr.a4496] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Accepted: 06/18/2015] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND PURPOSE Because the diagnostic significance of cortical superficial siderosis for Alzheimer disease and the association between cortical superficial siderosis and the topographic distribution of cerebral microbleeds have been unclear, we investigated the association between cortical superficial siderosis and clinicoradiologic characteristics of patients with cognitive impairment. MATERIALS AND METHODS We studied 347 patients (217 women, 130 men; mean age, 74 ± 9 years) who visited our memory clinic and underwent MR imaging (3T SWI). We analyzed the association between cortical superficial siderosis and the topographic distribution of cerebral microbleeds plus clinical characteristics including types of dementia. We used multivariate logistic regression analysis to determine the diagnostic significance of cortical superficial siderosis for Alzheimer disease. RESULTS Twelve patients (3.5%) manifested cortical superficial siderosis. They were older (P = .026) and had strictly lobar cerebral microbleeds significantly more often than did patients without cortical superficial siderosis (50.0% versus 19.4%, P = .02); the occurrence of strictly deep and mixed cerebral microbleeds, however, did not differ in the 2 groups. Alzheimer disease was diagnosed in 162 (46.7%) patients. Of these, 8 patients (4.9%) had cortical superficial siderosis. In the multivariate logistic regression analysis for the diagnosis of Alzheimer disease, lacunar infarcts were negatively and independently associated with Alzheimer disease (P = .007). CONCLUSIONS Although cortical superficial siderosis was associated with a strictly lobar cerebral microbleed location, it was not independently associated with Alzheimer disease in a memory clinic setting. Additional studies are required to investigate the temporal changes of these cerebral amyloid angiopathy-related MR imaging findings.
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Ueda M, Koshiyama M, Sato Y. Prophylactic corticosteroids in pulmonary oil embolism after hysterosalpingography. J OBSTET GYNAECOL 2015; 36:137-8. [DOI: 10.3109/01443615.2015.1041892] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Matsumura T, Sugimachi K, Iinuma H, Takahashi Y, Kurashige J, Sawada G, Ueda M, Uchi R, Ueo H, Takano Y, Shinden Y, Eguchi H, Yamamoto H, Doki Y, Mori M, Ochiya T, Mimori K. Exosomal microRNA in serum is a novel biomarker of recurrence in human colorectal cancer. Br J Cancer 2015; 113:275-81. [PMID: 26057451 PMCID: PMC4506387 DOI: 10.1038/bjc.2015.201] [Citation(s) in RCA: 378] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2015] [Revised: 04/06/2015] [Accepted: 05/06/2015] [Indexed: 12/11/2022] Open
Abstract
Background: Functional microRNAs (miRNAs) in exosomes have been recognised as potential stable biomarkers in cancers. The aim of this study is to identify specific miRNAs in exosome as serum biomarkers for the early detection of recurrence in human colorectal cancer (CRC). Methods: Serum samples were sequentially obtained from six patients with and without recurrent CRC. The miRNAs were purified from exosomes, and miRNA microarray analysis was performed. The miRNA expression profiles and copy number aberrations were explored using microarray and array CGH analyses in 124 CRC tissues. Then, we validated exosomal miRNAs in 2 serum sample sets (90 and 209 CRC patients) by quantitative real-time RT–PCR. Results: Exosomal miR-17-92a cluster expression level in serum was correlated with the recurrence of CRC. Exosomal miR-19a expression levels in serum were significantly increased in patients with CRC as compared with healthy individuals with gene amplification. The CRC patients with high exosomal miR-19a expression showed poorer prognoses than the low expression group (P<0.001). Conclusions: Abundant expression of exosomal miR-19a in serum was identified as a prognostic biomarker for recurrence in CRC patients.
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Ueo H, Sugimachi K, Gorges TM, Bartkowiak K, Yokobori T, Müller V, Shinden Y, Ueda M, Ueo H, Mori M, Kuwano H, Maehara Y, Ohno S, Pantel K, Mimori K. Circulating tumour cell-derived plastin3 is a novel marker for predicting long-term prognosis in patients with breast cancer. Br J Cancer 2015; 112:1519-26. [PMID: 25880010 PMCID: PMC4453677 DOI: 10.1038/bjc.2015.132] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Revised: 03/08/2015] [Accepted: 03/16/2015] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Identification of promising biomarkers that predict the prognosis of patients with breast cancer is needed. In this study, we hypothesised that the expression of the epithelial-mesenchymal transition-related biomarker plastin3 (PLS3) in peripheral blood could be a prognostic factor in breast cancer. METHODS We examined PLS3 expression in breast cancer cell lines with epithelial and mesenchymal traits and in circulating tumour cells (CTCs) obtained from the peripheral blood of breast cancer patients. We investigated PLS3 expression in the peripheral blood of 594 patients with breast cancer to evaluate the clinical significance of PLS3 expression. RESULTS Robust PLS3 expression was observed in different breast cancer cell lines (Hs578t, MCF-7, MDA-MB-468, and MDA-MB-231) as well as in a bone marrow derived cancer cell line (BC-M1). In both the training (n=298) and validation (n=296) sets, PLS3 expression was observed in CTCs of patients with breast cancer. PLS3-positive patients showed significantly poorer overall and disease-free survival than PLS3-negative patients (P=0.0001 and 0.003, respectively). Subset analysis revealed that this prognostic biomarker was relevant in patients with stage I-III cancer, particularly in patients with luminal-type and triple-negative-type tumours. CONCLUSIONS These data demonstrated that PLS3 was expressed in CTCs undergoing the epithelial-mesenchymal transition in patients with breast cancer. Furthermore, PLS3 may be an excellent biomarker for identifying groups at risk of recurrence or with a poor prognosis.
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Sugimachi K, Matsumura T, Hirata H, Uchi R, Ueda M, Ueo H, Shinden Y, Iguchi T, Eguchi H, Shirabe K, Ochiya T, Maehara Y, Mimori K. Identification of a bona fide microRNA biomarker in serum exosomes that predicts hepatocellular carcinoma recurrence after liver transplantation. Br J Cancer 2015; 112:532-8. [PMID: 25584485 PMCID: PMC4453648 DOI: 10.1038/bjc.2014.621] [Citation(s) in RCA: 232] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 11/19/2014] [Accepted: 11/26/2014] [Indexed: 12/17/2022] Open
Abstract
Background Predictive biomarkers for the recurrence of hepatocellular carcinoma (HCC) have great benefit in the selection of treatment options, including liver transplantation (LT), for HCC. The purpose of this study was to identify specific microRNAs (miRs) in exosomes from the serum of patients with recurrent HCC and to validate these molecules as novel biomarkers for HCC recurrence. Methods We employed microarray-based expression profiling of miRs derived from exosomes in the serum of HCC patients to identify a biomarker that distinguishes between patients with and without HCC recurrence after LT. This was followed by the validation in a separate cohort of 59 HCC patients who underwent living related LT. The functions and potential gene targets of the recurrence-specific miRs were analysed using a database, clinical samples and HCC cell lines. Results We found that miR-718 showed significantly different expression in the serum exosomes of HCC cases with recurrence after LT compared with those without recurrence. Decreased expression of miR-718 was associated with HCC tumour aggressiveness in the validated cohort series. We identified HOXB8 as a potential target gene of miR-718, and its upregulation was associated with poor prognosis. Conclusion Circulating miRs in serum exosomes have potential as novel biomarkers for predicting HCC recurrence.
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Ishimura M, Ueda M, Miyazawa K, Kajiyama T, Hashiguchi N, Nakano M, Kondo Y, Kanaeda T, Hiranuma Y, Kobayashi Y. Unexpected and unmanageable malfunctions of current co-radial pacemaker leads. Europace 2015; 17:166. [DOI: 10.1093/europace/euu187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Hirsch F, Govindan R, Zvirbule Z, Braiteh F, Rittmeyer A, Belda Iniesta C, Isla D, Cosgriff T, Boyer M, Ueda M, Phan S, Gandara D. Efficacy and Safety Results From a Phase 2, Placebo-Controlled Study of Onartuzumab Plus First-Line Platinum-Doublet Chemotherapy in Advanced Squamous-Cell Non-Small Cell Lung Cancer (sq NSCLC). Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.08.215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Mita T, Yamamoto A, Kano F, Hattori H, Ueda M. Functional recovery of Alzheimer's disease using Stem Cells from Human Exfoliated Deciduous Tooth-Derived Conditioned Medium. J Oral Maxillofac Surg 2014. [DOI: 10.1016/j.joms.2014.06.214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Miyoshi N, Ueda M, Fuke K, Tanimoto Y, Itoh M, Tomita G. Lifetime of Singlet Oxygen and Quenching by NaN3 in Mixed Solvents. ACTA ACUST UNITED AC 2014. [DOI: 10.1515/znb-1982-0520] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Singlet oxygen was generated by the photosensitization of erythrosine. The lifetime of singlet oxygen and the quenching rate constant for singlet oxygen by NaN3 were measured by a thermal lensing method in MeOH-H2O mixed solvents. The reciprocal of the lifetime increased linearly with the increase of the H2O mole fraction. Semi-log plot of the quenching constant against the reciprocal of the solvent polarity exhibited a linear relation. The quenching of the singlet oxygen by NaN3 may proceed through a partial charge-transfer intermediate. The activation energy for the quenching reaction of N3
- + 1O2 →[N3·1O2
-] increased with the increase of the solvent polarity. The lifetime was also measured in MeOH-ethyleneglycol mixed solvents, and its relation with viscosity was obtained
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Ota S, Ueda M, Aimoto K, Suzuki Y, Sigward SM. Acute influence of restricted ankle dorsiflexion angle on knee joint mechanics during gait. Knee 2014; 21:669-75. [PMID: 24530209 DOI: 10.1016/j.knee.2014.01.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2013] [Revised: 12/11/2013] [Accepted: 01/20/2014] [Indexed: 02/02/2023]
Abstract
BACKGROUND Restrictions in range of ankle dorsiflexion (DF) motion can persist following ankle injuries. Ankle DF is necessary during terminal stance of gait, and its restricted range may affect knee joint kinematics and kinetics. The purpose of this study was to investigate the acute influence of varied levels of restricted ankle DF on knee joint sagittal and frontal plane kinematics and kinetics during gait. METHODS Thirty healthy volunteers walked with a custom-designed ankle brace that restricted ankle DF. Kinematics and kinetics were collected using a 7-camera motion analysis system and two force plates. Ankle dorsiflexion was restricted in 10-degree increments, allowing for four conditions: Free, light (LR), moderate (MR) and severe restriction (SR). Knee angles and moments were measured during terminal stance. RESULTS Real peak ankle DF for Free, LR, MR, and SR were 13.7±4.8°, 11.6±5.0°, 7.5±5.3°, and 4.2±7.2°, respectively. Peak knee extension angles under the same conditions were -6.7±6.7°, -5.4±6.4°, -2.5±7.5°, and 0.6±7.8°, respectively, and the peak knee varus moment was 0.48±0.17 Nm/kg, 0.47±0.17 Nm/kg, 0.53±0.20 Nm/kg, and 0.57±0.20 Nm/kg. The knee varus moment was significantly increased from MR condition with an 8-degree restriction in ankle DF. CONCLUSION Knee joint kinematics and kinetics in the sagittal and frontal planes were affected by reduced ankle DF during terminal stance of gait. Differences were observed with restriction in ankle DF range of approximately 8°. LEVEL OF EVIDENCE level III.
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Zhang X, Higashihara T, Ueda M, Wang L. Polyphenylenes and the related copolymer membranes for electrochemical device applications. Polym Chem 2014. [DOI: 10.1039/c4py00898g] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review highlights recent advances in the development of polyphenylene-based ion exchange membranes for electrochemical device applications.
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Sawazaki A, Sugimori C, Ueda M, Yamaguchi M. A Case of Primary Plasma Cell Leukemia with a Favorable Response to Retreatment with Lenalidomide and Dexamethasone. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt459.93] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Kondo Y, Ueda M, Watanabe M, Kajiyama T, Hashiguchi N, Kanaeda T, Nakano M, Ishizaka T, Matsumiya G, Kobayashi Y. Identification of left atrium ganglionated plexi by dense epicardial mapping as ablation targets for the treatment of concomitant atrial fibrillation. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht309.p4061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ozawa K, Funabashi N, Takaoka H, Ueda M, Uehara M, Kobayashi Y. The CHA2DS2-VASc score predicts 320-slice CT based coronary artery plaques and >50% stenosis in subjects with chronic and paroxysmal atrial fibrillation. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht310.p5139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kondo Y, Ueda M, Kajiyama T, Hashiguchi N, Kanaeda T, Nakano M, Sato Y, Inagaki M, Kurita T, Kobayashi Y. The factors affecting psychological quality of life of implantable cardioverter-defibrillator patients. Eur Heart J 2013. [DOI: 10.1093/eurheartj/eht310.p5119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Paiva TM, Theotonio G, Paulino RS, Benega MA, Silva DBB, Borborema SET, Ikeda TI, Kisielius JJ, Ueda M, Oliveira MI, Santos CLS. Influenza virus A(H3N2) strain isolated from cerebrospinal fluid from a patient presenting myelopathy post infectious. J Clin Virol 2013; 58:283-5. [PMID: 23809474 DOI: 10.1016/j.jcv.2013.05.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 05/02/2013] [Accepted: 05/28/2013] [Indexed: 11/24/2022]
Abstract
BACKGROUND Neurological involvement during influenza infection has been described during epidemics and is often consistent with serious sequelae or death. OBJECTIVE To investigate the etiologic agent involved in myelopathy post influenza-like syndrome. STUDY DESIGN This investigation focuses on virus isolation from the cerebrospinal fluid (CSF) collected from a 19-year-old male student presenting with clinical diagnosis of myelopathy post influenza-like syndrome. To achieve this goal, different cell cultures and molecular methodologies were carried out. RESULTS Influenza virus A(H3N2) strain was isolated in MDCK cell culture; virus particles were observed under electron microscopy. Phylogenetics analyses showed that the Brazilian influenza A(H3N2) strains were closely related to the A/Perth/16/2009-like. CONCLUSION This study demonstrates that influenza virus A(H3N2) strain was the cause of illness of the students. According to the Brazilian influenza virus sentinel surveillance data A/Perth/16/2009-LIKE (H3N2) strain has predominated during the 2010 influenza virus season in Brasília-DF.
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Tejera A, Herrero J, Rubio I, Castello D, Pellicer A, Meseguer M, Iwata K, Yumoto K, Ueda M, Matoba Y, Kamada Y, Furuyama S, Mizoguchi C, Sargent HC, Kai Y, Tsuchie Y, Iba Y, Mio Y, Wirka KA, Suraj K, Conaghan J, Gvakharia M, Ivani K, Murugesan R, Chen AA, Shen S, Sundvall L, Ingerslev HJ, Knudsen UB, Kirkegaard K, Best L, Campbell A, Duffy S, Montgomery S, Fishel S, Montag M, Toth B, Weigert J, Strowitzki T, Kumtepe Y, Kahraman S, Cetinkaya M, Pirkevi C, Yelke H, Montag M. Session 57: Time lapse: the real revolution for ambryo assessment? Hum Reprod 2013. [DOI: 10.1093/humrep/det190] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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