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Yamaguchi M, Ohnishi K, Komohara Y, Saito F, Erdenebaatar C, Fujimoto K, Tashiro H, Takeya M, Katabuchi H. CD169-positive macrophages in regional lymph nodes are associated with a favorable prognosis in patients with endometrial cancer. J Reprod Immunol 2014. [DOI: 10.1016/j.jri.2014.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kuceyeski AF, Vargas W, Dayan M, Monohan E, Blackwell C, Raj A, Fujimoto K, Gauthier SA. Modeling the relationship among gray matter atrophy, abnormalities in connecting white matter, and cognitive performance in early multiple sclerosis. AJNR Am J Neuroradiol 2014; 36:702-9. [PMID: 25414004 DOI: 10.3174/ajnr.a4165] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Accepted: 09/02/2014] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Quantitative assessment of clinical and pathologic consequences of white matter abnormalities in multiple sclerosis is critical in understanding the pathways of disease. This study aimed to test whether gray matter atrophy was related to abnormalities in connecting white matter and to identify patterns of imaging biomarker abnormalities that were related to patient processing speed. MATERIALS AND METHODS Image data and Symbol Digit Modalities Test scores were collected from a cohort of patients with early multiple sclerosis. The Network Modification Tool was used to estimate connectivity irregularities by projecting white matter abnormalities onto connecting gray matter regions. Partial least-squares regression quantified the relationship between imaging biomarkers and processing speed as measured by the Symbol Digit Modalities Test. RESULTS Atrophy in deep gray matter structures of the thalami and putamen had moderate and significant correlations with abnormalities in connecting white matter (r = 0.39-0.41, P < .05 corrected). The 2 models of processing speed, 1 for each of the WM imaging biomarkers, had goodness-of-fit (R(2)) values of 0.42 and 0.30. A measure of the impact of white matter lesions on the connectivity of occipital and parietal areas had significant nonzero regression coefficients. CONCLUSIONS We concluded that deep gray matter regions may be susceptible to inflammation and/or demyelination in white matter, possibly having a higher sensitivity to remote degeneration, and that lesions affecting visual processing pathways were related to processing speed. The Network Modification Tool may be used to quantify the impact of early white matter abnormalities on both connecting gray matter structures and processing speed.
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Inoue M, Kofuji H, Fujimoto K, Furusawa Y, Yoshida K, Nagao S, Yamamoto M, Hamajima Y, Minakawa M. Delivery mechanism of (134)Cs and (137)Cs in seawater off the Sanriku Coast, Japan, following the Fukushima Dai-ichi NPP accident. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2014; 137:113-118. [PMID: 25036919 DOI: 10.1016/j.jenvrad.2014.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Revised: 06/26/2014] [Accepted: 07/02/2014] [Indexed: 06/03/2023]
Abstract
To assess the delivery mechanism of radiocesium emitted from the Fukushima Dai-ichi Nuclear Power Plant (FDNPP), we examined vertical profiles of (134)Cs, (137)Cs, and (228)Ra concentrations and the (228)Ra/(226)Ra ratio in the water columns off the Sanriku Coast in the northwestern Pacific Ocean, in July 2012, along with their surface lateral variations in July 2009. Radiocesium concentrations exhibited maximum peaks (3-5 mBq/L for (134)Cs) at depths of 100-200 m, accompanied by high (228)Ra concentrations (0.6-0.8 mBq/L) in comparison with shallower depths (∼0.4 mBq/L). Taking the circulation patterns of currents in the area into account, it was inferred that radioactive depositions were supplied to the (228)Ra-rich Tsugaru Warm Current Water (TWCW) in the offshore area of the Sanriku Coast following the FDNPP accident, and that after the spring of 2011, this water (∼26.5σθ) was covered by lower density surface water, which helped intrude its way to depths of 100-200 m.
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Fukui N, Arakawa Y, Murata D, Fujimoto K, Miyamoto S. SM-01 * APPLICATION OF BEVACIZUMAB TO POST-IRRADIATED CEREBRAL LESION: DIAGNOSIS, INTERVENTION AND OUTCOME. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou277.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Fujimoto K, Arakawa Y, Murata D, Fukui N, Kunieda T, Takagi Y, Miyamoto S. NI-28 * ANALYSIS OF BEVACIZUMAB RESPONSE TO DISTINGUISH BETWEEN TUMOR RECURRENCE AND CEREBRAL RADIATION NECROSIS. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou264.27] [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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Andoh Y, Yoshii N, Yamada A, Fujimoto K, Kojima H, Mizutani K, Nakagawa A, Nomoto A, Okazaki S. All-atom molecular dynamics calculation study of entire poliovirus empty capsids in solution. J Chem Phys 2014; 141:165101. [DOI: 10.1063/1.4897557] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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Iwakiri R, Higuchi K, Kato M, Fujishiro M, Kinoshita Y, Watanabe T, Takeuchi T, Yamauchi M, Sanomura M, Nakagawa H, Sugisaki N, Okada Y, Ogawa H, Arakawa T, Fujimoto K. Randomised clinical trial: prevention of recurrence of peptic ulcers by rabeprazole in patients taking low-dose aspirin. Aliment Pharmacol Ther 2014; 40:780-95. [PMID: 25100080 DOI: 10.1111/apt.12907] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Revised: 05/28/2014] [Accepted: 07/18/2014] [Indexed: 12/21/2022]
Abstract
BACKGROUND Few studies have evaluated the effects of rabeprazole on low-dose aspirin (LDA)-induced gastroduodenal injuries. AIM To conduct a randomised, double-blind, triple-dummy, active-controlled, multicentre trial, named the PLANETARIUM study, to assess the efficacy, dose-response relationship and safety of rabeprazole for peptic ulcer recurrence in Japanese patients on long-term LDA therapy. METHODS Eligible patients had a history of endoscopically confirmed peptic ulcers and were receiving long-term LDA (81 or 100 mg/day) therapy for cardiovascular or cerebrovascular protection. Subjects were randomly segregated into three groups receiving rabeprazole 10 mg once daily (standard dose in Japan), rabeprazole 5 mg once daily, or teprenone (geranylgeranylacetone; mucosal protective agent commercially available in Japan) 50 mg three times per day as an active control. The primary endpoint was recurrence of peptic ulcers over 24 weeks. RESULTS Among 472 randomised subjects, 452 subjects (n = 151, 150, 151, respectively) constituted the full analysis set. The cumulative recurrence rates of peptic ulcers over 24 weeks in the 10- and 5-mg rabeprazole groups were 1.4% and 2.8%, respectively, both of which were significantly lower than that in the teprenone group (21.7%). The cumulative occurrence rate of bleeding ulcers over 24 weeks in the teprenone group was 4.6%, while bleeding ulcers were not observed in the 10- or 5-mg rabeprazole groups. Rabeprazole was well tolerated at both doses. CONCLUSION Rabeprazole prevents the recurrence of peptic ulcers with no evidence of a major dose-response effect in subjects on low-dose aspirin therapy.
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Inoue M, Yoneoka S, Ochiai S, Oikawa S, Fujimoto K, Yagi Y, Honda N, Nagao S, Yamamoto M, Hamajima Y, Murakami T, Kofuji H, Misonoo J. Lateral and temporal variations in Fukushima Dai-ichi NPP-derived 134Cs and 137Cs in marine sediments in/around the Sado Basin, Sea of Japan. J Radioanal Nucl Chem 2014. [DOI: 10.1007/s10967-014-3518-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Takahata M, Hashino S, Onozawa M, Shigematsu A, Sugita J, Fujimoto K, Endo T, Kondo T, Tanaka J, Imamura M, Teshima T. Hepatitis B virus (HBV) reverse seroconversion (RS) can be prevented even in non-responders to hepatitis B vaccine after allogeneic stem cell transplantation: long-term analysis of intervention in RS with vaccine for patients with previous HBV infection. Transpl Infect Dis 2014; 16:797-801. [PMID: 25154638 DOI: 10.1111/tid.12283] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 03/19/2014] [Accepted: 06/18/2014] [Indexed: 12/01/2022]
Abstract
BACKGROUND Reactivation of hepatitis B virus (HBV) infection, reverse seroconversion (RS), is a serious complication after allogeneic stem cell transplantation (alloHSCT). We previously conducted a post-transplant hepatitis B vaccine intervention trial and demonstrated the vaccine efficacy in preventing HBV-RS. This report is an update of the hepatitis B vaccine study. METHODS In this trial, 21 patients were enrolled and received a standard 3-dose regimen of hepatitis B vaccine after discontinuation of immunosuppressants, whereas 25 transplant recipients with previous HBV infection did not receive the vaccine and served as controls. RESULTS None of the 21 patients in the vaccine group developed HBV-RS and 12 controls developed HBV-RS in median follow-up periods of 60 months (range 13-245). HBV vaccine resulted in a positive value of hepatitis B surface antibody (HBsAb) titer in 9 patients, while HBsAb remained negative in 12 patients. Presence of a high titer of HBsAb before vaccination was associated with conversion into HBsAb positivity after vaccination. CONCLUSION These results demonstrated the long-term effects of HBV vaccine for preventing HBV-RS after alloHSCT. Of note, no HBV-RS occurred, even in patients who did not achieve conversion into HBsAb positivity after vaccination.
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Fukui Y, Samma S, Fujimoto K, Yamaguchi A, Umeki Y, Ooto M, Arima M. Reticulocyte hemoglobin content as a marker of iron status in patients receiving maintenance hemodialysis. Clin Exp Nephrol 2014; 6:147-53. [PMID: 24989954 DOI: 10.1007/s101570200025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Background. Patients with renal anemia who show a poor response to erythropoietin might have iron insufficiency. Reticulocyte hemoglobin content (CHr) was measured in hemodialysis patients, and its potential as a marker for iron status was assessed by comparing CHr with ordinary markers. Methods. Ninety-one patients receiving maintenance hemodialysis were enrolled. Venous sampling was performed twice, at a 3-month interval. During the interval, none of the patients received any iron agent and there was no alteration in their erythropoietin doses. CHr was measured with an automated blood cell counter. Simultaneously, ordinary markers for iron status, such as hematocrit (Ht), mean hemoglobin content (CH), serum iron (Fe), ferritin (Fr), and transferrin saturation (TSAT), were measured. CHr was compared with these markers. Results. CHr randed from 24.1 to 34.7 pg, with a mean of 31.0 pg. CHr correlated with CH (P < 0.001), Fr (P < 0.01), Fe (P < 0.001), and TSAT (P < 0.001), but not with Ht. When patients were divided into two groups according to the CHr : CH ratio (CHr : CH ≧ 1 and CHr : CH < 1), there was no difference in any parameter between the two groups in the first measurement. In the second measurement, done after a 3-month interval, patients with CHr : CH ≧ 1 showed significantly higher values for CHr (P < 0.001), CH (P < 0.01), Fe (P < 0.05), and TSAT (P < 0.05) than patients with CHr : CH < 1. Conclusions. It was suggested that the CHr : CH ratio would predict changes in the state of iron supply. CHr might be a potential marker for monitoring renal anemia.
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Kiguchi K, Kido A, Fujimoto K, Shitano F, Takakura K, Daido S, Himoto Y, Ninomiya A, Kusahara H, Fushimi Y, Okada T, Togashi K. Non-contrast-enhanced MR angiography of uterine arteries with balanced steady-state free precession and time-space labelling inversion pulse: Technical optimization and preliminary results. Clin Radiol 2014; 69:669-73. [DOI: 10.1016/j.crad.2014.01.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 01/06/2014] [Accepted: 01/14/2014] [Indexed: 10/25/2022]
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Abe T, Tateoka K, Fujimoto K, Nakazawa T, Saitou Y, Nakata A, Yano M, Sakata K. SU-E-T-161: Evaluation of Dose Calculation Based On Cone-Beam CT. Med Phys 2014. [DOI: 10.1118/1.4888490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Proletov I, Sipovskii V, Smirnov A, Hayashi N, Akiyama S, Okuyama H, Matsui Y, Fujimoto K, Atsumi H, Adachi H, Yamaya H, Maruyama S, Imai E, Matsuo S, Yokoyama H, Prasad N, Jaiswal A, Agarwal V, Yadav B, Rai M, Shin DH, Han IM, Moon SJ, Yoo TH, Faria B, Henriques C, Matos AC, Daha MR, Pestana M, Seelen M, Lundberg S, Carlsson MC, Leffler H, Pahlsson P, Segelmark M, Camilla R, Donadio ME, Loiacono E, Peruzzi L, Amore A, Chiale F, Vergano L, Gallo R, Boido A, Conrieri M, Bianciotto M, Bosetti FM, Mengozzi G, Puccinelli MP, Guidi C, Lastauka I, Coppo R, Nishiwaki H, Hasegawa T, Nagayama Y, Komukai D, Kaneshima N, Sasai F, Yoshimura A, Wang CL, Wei XY, Lv L, Jia NY, Vagane AM, Knoop T, Vikse BE, Reisaeter AV, Bjorneklett R, Mezzina N, Brunini F, Trezzi B, Gallieni M, D'Amico M, Stellato T, Santoro D, Ghiggeri GM, Radice A, Sinico RA, Kronbichler A, Kerschbaum J, Mayer G, Rudnicki M, Elena GS, Paula Jara CE, Jorge Enrique RR, Manuel P, Paek J, Hwang E, Park S, Caliskan Y, Aksoy A, Oztop N, Ozluk Y, Artan AS, Yazici H, Kilicaslan I, Sever MS, Yildiz A, Ihara K, Iimori S, Okado T, Rai T, Uchida S, Sasaki S, Stangou M, Bantis C, Skoularopoulou M, Toulkeridis G, Labropoulou I, Kasimatis S, Kouri NM, Papagianni A, Efstratiadis G, Mircescu G, Stancu S, Zugravu A, Petrescu L, Andreiana I, Taran L, Suzuki T, Iyoda M, Yamaguchi Y, Watanabe M, Wada Y, Matsumoto K, Shindo-Hirai Y, Kuno Y, Yamamoto Y, Saito T, Iseri K, Shibata T, Gniewek K, Krajewska M, Jakuszko K, Koscielska-Kasprzak K, Klinger M, Nunes AT, Ferreira I, Neto R, Mariz E, Pereira E, Frazao J, Praca A, Sampaio S, Pestana M, Kim HJ, Lee JE, Proletov I, Galkina O, Bogdanova E, Zubina I, Sipovskii V, Smirnov A, Oliveira CBL, Oliveira ASA, Carvalho CJB, Sette LHBC, Fernandes GV, Cavalcante MA, Valente LM, Ismail G, Andronesi A, Jurubita R, Bobeica R, Finocchietti D, Cantaluppi V, Medica D, Daidola G, Colla L, Besso L, Burdese M, Segoloni GP, Biancone L, Camussi G, Goto S, Nakai K, Ito J, Fujii H, Tasaki K, Suzuki T, Fukami K, Hara S, Nishi S, Hayami N, Ubara Y, Hoshino J, Takaichi K, Suwabe T, Sumida K, Mise K, Wang CL, Tian YQ, Wang H, Saganova E, Proletov I, Galkina O, Bogdanova E, Zubina I, Sipovskii V, Smirnov A, Stancu S, Mandache E, Zugravu A, Petrescu L, Avram A, Mircescu G, Angelini C, Reggiani F, Podesta MA, Cucchiari D, Malesci A, Badalamenti S, Laganovi M, Ars E, ivko M, eljkovic Vrki T, Cori M, Karanovi S, Torra R, Jelakovi B, Jia NY, Wang CL, Zhang YH, Nan L, Nagasawa Y, Yamamoto R, Shinzawa M, Hamahata S, Kida A, Yahiro M, Kuragano T, Shoji T, Hayashi T, Nagatoya K, Yamauchi A, Isaka Y, Nakanishi T, Ivkovic V, Premuzic V, Laganovic M, Dika Z, Kos J, Zeljkovic Vrkic T, Fistrek Prlic M, Zivko M, Jelakovic B, Gigliotti P, Leone F, Lofaro D, Papalia T, Mollica F, Mollica A, Vizza D, Perri A, Bonofilgio R, Meneses G, Viana H, Santos MC, Ferreira C, Calado J, Carvalho F, Remedio F, Nolasco F, Caliskan Y, Oztop N, Aksoy A, Ozluk Y, Artan AS, Turkmen A, Kilicaslan I, Yildiz A, Sever MS, Nagaraju SP, Kosuru S, Parthasarathy R, Bairy M, Prabhu RA, Guddattu V, Koulmane Laxminarayana SL, Oruc A, Gullulu M, Acikgoz E, Aktas N, Yildiz A, Gul B, Premuzic V, Laganovic M, Ivkovic V, Coric M, Zeljkovic Vrkic T, Fodor L, Dika Z, Kos J, Fistrek Prlic M, Zivko M, Jelakovic B, Bale CB, Dighe TA, Kate P, Karnik S, Sajgure A, Sharma A, Korpe J, Jeloka T, Ambekar N, Sadre A, Buch A, Mulay A, Merida E, Huerta A, Gutierrez E, Hernandez E, Sevillano A, Caro J, Cavero T, Morales E, Moreno JA, Praga M. PRIMARY AND SECONDARY GLOMERULONEPHRITIDES 1. Nephrol Dial Transplant 2014. [DOI: 10.1093/ndt/gfu151] [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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Yamamoto S, Yokoduka T, Fujimoto K, Takagi K, Ono T. Radiocaesium concentrations in the muscle and eggs of salmonids from Lake Chuzenji, Japan, after the Fukushima fallout. JOURNAL OF FISH BIOLOGY 2014; 84:1607-1613. [PMID: 24684433 DOI: 10.1111/jfb.12368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Accepted: 02/03/2014] [Indexed: 06/03/2023]
Abstract
Approximately 18 months (September to December 2012) after the Fukushima Dai-ichi Nuclear Power Plant accident, elevated radiocaesium concentrations were measured in samples of muscle and eggs from masu salmon Oncorhynchus masou, kokanee Oncorhynchus nerka, brown trout Salmo trutta and lake trout Salvelinus namaycush from the Lake Chuzenji system, central Honshu Island, Japan (160 km from the station). Mean muscle concentrations were 142·9-249·2 Bq kg⁻¹ wet mass and mean concentrations in eggs were 38·7-79·0 Bq kg⁻¹ wet mass. There was no relationship between fork length and muscle radiocaesium concentration in any of the species, but there were significant relationships between individual muscle and egg radiocaesium concentrations from O. masou, S. trutta and S. namaycush.
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Kitamura H, Tsukamoto T, Shibata T, Masumori N, Fujimoto H, Hirao Y, Fujimoto K, Kitamura Y, Tomita Y, Tobisu K, Niwakawa M, Naito S, Eto M, Kakehi Y. Randomised phase III study of neoadjuvant chemotherapy with methotrexate, doxorubicin, vinblastine and cisplatin followed by radical cystectomy compared with radical cystectomy alone for muscle-invasive bladder cancer: Japan Clinical Oncology Group Study JCOG0209. Ann Oncol 2014; 25:1192-8. [PMID: 24669010 DOI: 10.1093/annonc/mdu126] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND This study aimed to determine the clinical benefit of neoadjuvant methotrexate, doxorubicin, vinblastine, and cisplatin (MVAC) in patients with muscle-invasive bladder cancer (MIBC) treated with radical cystectomy. PATIENTS AND METHODS Patients with MIBC (T2-4aN0M0) were randomised to receive two cycles of neoadjuvant MVAC followed by radical cystectomy (NAC arm) or radical cystectomy alone (RC arm). The primary end point was overall survival (OS). Secondary end points were progression-free survival, surgery-related complications, adverse events during chemotherapy, proportion with no residual tumour in the cystectomy specimens, and quality of life. To detect an improvement in 5-year OS from 45% in the RC arm to 57% in the NAC arm with 80% power, 176 events were required per arm. RESULTS Patients (N = 130) were randomly assigned to the RC arm (N = 66) and the NAC arm (N = 64). The patient registration was terminated before reaching the initially planned number of patients because of slow accrual. At the second interim analysis just after the early stoppage of patient accrual, the Data and Safety Monitoring Committee recommended early publication of the results because the trial did not have enough power to draw a confirmatory conclusion. OS of the NAC arm was better than that of the RC arm, although the difference was not statistically significant [hazard ratio 0.65, multiplicity adjusted 99.99% confidence interval 0.19-2.18, one-sided P = 0.07]. In the NAC arm and the RC arm, 34% and 9% of the patients had pT0, respectively (P < 0.01). In subgroup analyses, OS in almost all subgroups was in favour of NAC. CONCLUSIONS This trial showed a significantly increased pT0 proportion and favourable OS of patients who received neoadjuvant MVAC. NAC with MVAC can still be considered promising as a standard treatment. UMIN CLINICAL TRIALS REGISTRY IDENTIFIER C000000093.
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Yoneda T, Itami Y, Hirayama A, Saka T, Yoshida K, Fujimoto K. Cryptococcal Necrotizing Fasciitis in a Patient After Renal Transplantation—A Case Report. Transplant Proc 2014; 46:620-2. [DOI: 10.1016/j.transproceed.2013.11.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Accepted: 11/05/2013] [Indexed: 11/30/2022]
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Watanabe H, Nishimura M, Fukui Y, Fujimoto K. Development of a particle nanoimprinting technique by core-shell particles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:1630-1635. [PMID: 24446687 DOI: 10.1021/la4046176] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We developed a particle nanoimprinting technique assisted by the array of core-shell particles. Core-shell particles composed of a solid core of polystyrene and a soft shell were prepared by soap-free emulsion polymerization and subsequently seeded polymerization. By the Langmuir-Blodgett method, particles were arranged into a closely packed 2D array over the water surface and transferred onto a polystyrene (PS) substrate at a regular interval. The PS substrate was heated up above its glass transition temperature (Tg) by either UV irradiation using a high-pressure Hg lamp or heat treatment in a temperature-controlled incubator. It could be observed that a nanopatterned indented surface was formed through the denting of particles into the PS substrate (particle nanoindenting). By the detachment of particles from the substrate by ultrasonication in ethanol, nanoholes were produced over the surface (particle nanoimprinting). The depth and the wall of nanoholes and their interval were tunable by the shell thickness and the 2D packing ratio of core-shell particle monolayers. The contact angle decreased from 70 degrees of the pristine particle monolayer to 13 degrees by the particle nanoindenting, and again increased to 50 degrees by detaching the particles from the substrate to create the nanoholes. The use of nanoholes as zepto-litter volume vessels enabled us to produce and arrange nanocrystals, such as NaCl and CaCO3 (zepto-reactor).
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Yanagida K, Yamaguchi Y, Fujimoto K, Ito S. Low-Temperature Synthesis of MFe2O4 (M: Co, Ni, Zn) by Capsule HIP Using Hydroxides as Starting Materials. ACTA ACUST UNITED AC 2014. [DOI: 10.2497/jjspm.61.s193] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Inoue M, Furusawa Y, Fujimoto K, Minakawa M, Kofuji H, Nagao S, Yamamoto M, Hamajima Y, Yoshida K, Nakano Y, Hayakawa K, Oikawa S, Misonoo J, Isoda Y. 228Ra/226Ra ratio and 7Be concentration in the Sea of Japan as indicators for water transport: comparison with migration pattern of Fukushima Dai-ichi NPP-derived 134Cs and 137Cs. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2013; 126:176-187. [PMID: 24029140 DOI: 10.1016/j.jenvrad.2013.08.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 07/13/2013] [Accepted: 08/01/2013] [Indexed: 06/02/2023]
Abstract
To assess the migration patterns of radiocesium emitted from the Fukushima Dai-ichi Nuclear Power Plant (FDNPP), we analyzed (228)Ra/(226)Ra ratios and (7)Be concentrations and compared them with (134)Cs and (137)Cs concentrations in seawater samples collected within the Sea of Japan before and after the FDNPP accident (i.e., during the period 2007-2012) using low-background γ-spectrometry. The (228)Ra/(226)Ra ratios in surface waters exhibited lateral and seasonal variations, reflecting the flow patterns of surface water. This indicates the transport patterns of the FDNPP-derived radiocesium by surface water. Cosmogenic (7)Be (half-life: 53.3 d) exhibited markedly high concentrations (5-10 mBq/L) at depths shallower than 50 m, with concentrations decreasing steeply (0.2-2 mBq/L) at depths of 50-250 m. The distribution of (7)Be concentrations suggests that the downward delivery of the FDNPP-derived radiocesium to below 50 m depth was negligible for a few months prior to its removal from the Sea of Japan.
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Arakawa Y, Fujimoto KI, Murata D, Nakamoto Y, Okada T, Miyamoto S, Bahr O, Harter PN, Weise L, You SJ, Ronellenfitsch MW, Rieger J, Steinbach JP, Hattingen E, Bahr O, Jurcoane A, Daneshvar K, Pilatus U, Mittelbronn M, Steinbach JP, Hattingen E, Carrillo J, Bota D, Handwerker J, Su LMY, Chen T, Stathopoulos A, Yu H, Chang JH, Kim EH, Kim SH, Mi, Yun J, Pytel P, Collins J, Choi Y, Lukas R, Nicholas M, Colen R, Jafrani R, Zinn P, Colen R, Ashour O, Zinn P, Colen R, Vangel M, Gutman D, Hwang S, Wintermark M, Jain R, Jilwan-Nicolas M, Chen J, Raghavan P, Holder C, Rubin D, Huang E, Kirby J, Freymann J, Jaffe C, Flanders A, Zinn P, Colen R, Ashour O, Zinn P, Colen R, Zinn P, Dahiya S, Statsevych V, Elson P, Xie H, Chao S, Peereboom D, Stevens G, Barnett G, Ahluwalia M, Daras M, Karimi S, Abrey L, Sanchez J, Beal K, Gutin P, Kaley T, Grommes C, Correa D, Reiner A, Briggs S, Omuro A, Verburg N, Hoefnagels F, Pouwels P, Boellaard R, Barkhof F, Hoekstra O, Wesseling P, Reijneveld J, Heimans J, Vandertop P, Zwinderman K, Hamer HDW, Elinzano H, Kadivar F, Yadav PO, Breese VL, Jackson CL, Donahue JE, Boxerman JL, Ellingson B, Pope W, Lai A, Nghiemphu P, Cloughesy T, Ellingson B, Pope W, Chen W, Czernin J, Phelps M, Lai A, Nghiemphu P, Liau L, Cloughesy T, Ellingson B, Leu K, Tran A, Pope W, Lai A, Nghiemphu P, Harris R, Woodworth D, Cloughesy T, Ellingson B, Pope W, Leu K, Chen W, Czernin J, Phelps M, Lai A, Nghiemphu P, Liau L, Cloughesy T, Ellingson B, Enzmann D, Pope W, Lai A, Nghiemphu P, Liau L, Cloughesy T, Eoli M, Di Stefano AL, Aquino D, Scotti A, Anghileri E, Cuppini L, Prodi E, Finocchiaro G, Bruzzone MG, Fujimoto K, Arakawa Y, Murata D, Nakamoto Y, Okada T, Miyamoto S, Galldiks N, Stoffels G, Filss C, Dunkl V, Rapp M, Sabel M, Ruge MI, Goldbrunner R, Shah NJ, Fink GR, Coenen HH, Langen KJ, Guha-Thakurta N, Langford L, Collet S, Valable S, Constans JM, Lechapt-Zalcman E, Roussel S, Delcroix N, Bernaudin M, Abbas A, Ibazizene E, Barre L, Derlon JM, Guillamo JS, Harris R, Bookheimer S, Cloughesy T, Kim H, Pope W, Yang K, Lai A, Nghiemphu P, Ellingson B, Huang R, Rahman R, Hamdan A, Kane C, Chen C, Norden A, Reardon D, Mukundan S, Wen P, Jafrani R, Zinn P, Colen R, Jafrani R, Zinn P, Colen R, Jancalek R, Bulik M, Kazda T, Jensen R, Salzman K, Kamson D, Lee T, Varadarajan K, Robinette N, Muzik O, Chakraborty P, Barger G, Mittal S, Juhasz C, Kamson D, Barger G, Robinette N, Muzik O, Chakraborty P, Kupsky W, Mittal S, Juhasz C, Kinoshita M, Sasayama T, Narita Y, Kawaguchi A, Yamashita F, Chiba Y, Kagawa N, Tanaka K, Kohmura E, Arita H, Okita Y, Ohno M, Miyakita Y, Shibui S, Hashimoto N, Yoshimine T, Ronan LK, Eskey C, Hampton T, Fadul C, LaMontagne P, Milchenko M, Sylvester P, Benzinger T, Marcus D, Fouke SJ, Lupo J, Bian W, Anwar M, Banerjee S, Hess C, Chang S, Nelson S, Mabray M, Sanchez L, Valles F, Barajas R, Rubenstein J, Cha S, Miyake K, Ogawa D, Hatakeyama T, Kawai N, Tamiya T, Mori K, Ishikura R, Tomogane Y, Ando K, Izumoto S, Nelson S, Lieberman F, Lupo J, Viziri S, Nabors LB, Crane J, Wen P, Cote A, Peereboom D, Wen Q, Cloughesy T, Robins HI, Fisher J, Desideri S, Grossman S, Ye X, Blakeley J, Nonaka M, Nakajima S, Shofuda T, Kanemura Y, Nowosielski M, Wiestler B, Gobel G, Hutterer M, Schlemmer H, Stockhammer G, Wick W, Bendszus M, Radbruch A, Perreault S, Yeom K, Ramaswamy V, Shih D, Remke M, Luu B, Schubert S, Fisher P, Partap S, Vogel H, Poussaint TY, Taylor M, Cho YJ, Piludu F, Pace A, Fabi A, Anelli V, Villani V, Carapella C, Marzi S, Vidiri A, Pungavkar S, Tanawde P, Epari S, Patkar D, Lawande M, Moiyadi A, Gupta T, Jalali R, Rahman R, Akgoz A, You H, Hamdan A, Seethamraju R, Wen P, Young G, Rao A, Rao G, Flanders A, Ghosh P, Rao G, Martinez J, Rao A, Roh TH, Kim EH, Chang JH, Kushnirsky M, Katz J, Knisely J, Schulder M, Steinklein J, Rosen L, Warshall C, Nguyen V, Tiwari P, Rogers L, Wolansky L, Sloan A, Barnholtz-Sloan J, Tatsauka C, Cohen M, Madabhushi A, Rachinger W, Thon N, Haug A, Schuller U, Schichor C, Tonn JC, Tran A, Lai A, Li S, Pope W, Teixeira S, Harris R, Woodworth D, Nghiemphu P, Cloughesy T, Ellingson B, Villanueva-Meyer J, Barajas R, Mabray M, Barani I, Chen W, Shankaranarayanan A, Koon P, Cha S, Wen Q, Elkhaled A, Essock-Burns E, Molinaro A, Phillips J, Chang S, Cha S, Nelson S, Wolf D, Ye X, Lim M, Zhu H, Wang M, Quinones-Hinojosa A, Weingart J, Olivi A, van Zijl P, Laterra J, Zhou J, Blakeley J, Zakaria R, Das K, Sluming V, Bhojak M, Walker C, Jenkinson MD, (Tiger) Yuan S, Tao R, Yang G, Chen Z, Mu D, Zhao S, Fu Z, Li W, Yu J. RADIOLOGY. Neuro Oncol 2013; 15:iii191-iii205. [PMCID: PMC3823904 DOI: 10.1093/neuonc/not189] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/14/2023] Open
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Chiashi K, Fujimoto K, Toya T. Diving patterns of breath-hold divers. ARCH MAL PROF ENVIRO 2013. [DOI: 10.1016/j.admp.2013.07.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Fujimoto K, Sano Y. Changes in regional cerebral and peripheral blood volume during breath-hold diving in humans. ARCH MAL PROF ENVIRO 2013. [DOI: 10.1016/j.admp.2013.07.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Mori K, Iwasaki Y, Kawasaki-Ogita Y, Honjo S, Hamamoto Y, Tatsuoka H, Fujimoto K, Ikeda H, Wada Y, Takahashi Y, Takahashi J, Koshiyama H. Improvement of insulin resistance following transsphenoidal surgery in patients with acromegaly: correlation with serum IGF-I levels. J Endocrinol Invest 2013; 36:853-9. [PMID: 23665535 DOI: 10.3275/8964] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
AIM The aim of this study was to determine the correlation between the growth hormone (GH)-insulin-like growth factor-I (IGF-I) axis and glucose intolerance in acromegaly during the early postoperative period. SUBJECTS AND METHODS The study included 20 patients with acromegaly caused by GH-secreting pituitary adenoma who received transsphenoidal surgery in our hospital. Glucose tolerance was evaluated with oral glucose tolerance tests (OGTTs) performed during pre- and early postoperative periods (9 [7-18] days after surgery). Homeostasis model assessment of insulin resistance (HOMA-IR) and insulinogenic index (IGI) were calculated, and correlation analyses were performed between these values and the GH-IGF-I axis. Patients were divided according to postoperative changes of the axis, and glucose tolerance was compared between the groups. RESULTS In preoperative OGTTs, nine patients had impaired glucose tolerance and two had diabetes mellitus patterns. Postoperatively, significant reduction was observed both in fasting plasma glucose levels (p<0.01) and in HOMA-IR (p<0.01), whereas IGI showed no significant change. HOMA-IR was significantly correlated with serum IGF-I levels both before (r=0.83, p<0.01) and after (r=0.57, p<0.01) surgery, although it was not correlated with serum GH levels. Patients who achieved more than 50% postoperative reduction in serum IGF-I levels showed significant improvement in OGTTs results (p<0.05). CONCLUSIONS In patients with acromegaly, serum IGF-I levels, but not GH levels, were significantly correlated with insulin resistance. Early postoperative improvement of glucose tolerance is observed in patients who achieved postoperative reduction in serum IGF-I levels.
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Iwakiri R, Tominaga K, Furuta K, Inamori M, Furuta T, Masuyama H, Kanke K, Nagahara A, Haruma K, Kinoshita Y, Higuchi K, Takahashi S, Kusano M, Iwakiri K, Kato M, Hongo M, Hiraishi H, Watanabe S, Miwa H, Naito Y, Fujimoto K, Arakawa T. Randomised clinical trial: rabeprazole improves symptoms in patients with functional dyspepsia in Japan. Aliment Pharmacol Ther 2013; 38:729-40. [PMID: 23957383 DOI: 10.1111/apt.12444] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 04/26/2013] [Accepted: 07/18/2013] [Indexed: 12/19/2022]
Abstract
BACKGROUND The efficacy of proton pump inhibitors (PPIs) for treating functional dyspepsia (FD) is not well established. AIM This study, named the SAMURAI study, aimed to assess the efficacy and dose-response relationship of rabeprazole in Japanese patients with FD in a multicentre, double-blinded, randomised, placebo-controlled trial. METHODS Investigated FD was diagnosed using the Rome III criteria. Subjects who did not respond to 1 week of single-blind placebo treatment in a run-in period were randomly assigned to 8 weeks of double-blind treatment with rabeprazole 10 mg, 20 mg, 40 mg or placebo, once daily. Dyspeptic symptoms were assessed by a dyspepsia symptom questionnaire (7-point Likert scale) and symptom diary. RESULTS Of 392 subjects entered into the run-in period, 338 were randomly assigned. Although there was no significant difference between placebo and rabeprazole groups in complete symptom relief for four major dyspeptic symptoms, the satisfactory symptom relief of rabeprazole 20 mg was significantly higher than placebo according to the dyspepsia symptom questionnaire (45.3% vs. 28.2%, P = 0.027) and the symptom diary assessment (48.7% vs. 30.0%, P = 0.016). The efficacy was not influenced by syndrome type or Helicobacter pylori status. No statistically significant differences in the incidence of adverse events were seen among treatment groups. CONCLUSIONS Rabeprazole 20 mg once daily but not 10 or 40 mg significantly provides satisfactory symptom relief for functional dyspepsia (ClinicalTrials.gov, Number NCT01089543).
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Fujimoto K, Honjo S, Tatsuoka H, Hamamoto Y, Kawasaki Y, Matsuoka A, Ikeda H, Wada Y, Sasano H, Koshiyama H. Primary aldosteronism associated with subclinical Cushing syndrome. J Endocrinol Invest 2013; 36:564-7. [PMID: 23385627 DOI: 10.3275/8818] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Recently, it has been reported that the incidence of primary aldosteronism (PA) among patients with hypertension is much more frequent than previously reported. AIM In the present study, we investigated the frequency and features of PA associated with subclinical Cushing syndrome (SCS). MATERIAL AND METHODS Subjects included consecutive patients (no.=39) who were diagnosed as PA and performed adrenal venous sampling between 2003 and 2011 in our institute. RESULTS In 39 subjects who were diagnosed as PA, 29 patients were operated and 5 cases (12.8%) showed no suppression in low-dose dexamethasone suppression test. Four cases of them were demonstrated to be associated with SCS, and one was associated with overt Cushing syndrome (CS). Post-operatively, 3 cases received replacement therapy of hydrocortisone, while others did not. Pathological findings indicated the diagnosis of aldosterone-producing adenoma in 4 cases associated with SCS, and of idiopathic hyperaldosteronismin in one case associated with overt CS. In all 5 cases, immunohistochemical analysis demonstrated the immunoreactivities of both 3βHSD and P450c17 in the adrenocortical tumors, the marked cortical atrophy in the zona fasciculata and reticularis, the decreased dehydroepiandrosterone sulfotransferase expression, and suppression of hypothalamo- pituitary-adrenal axis indicating the autonomous secretion of cortisol from the tumor. CONCLUSIONS The present study suggests that PA is frequently associated with SCS with prevalence of more than 10%, justifying the routine examinations for SCS in PA cases.
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