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Kakuta E, Nomura Y, Morozumi T, Nakagawa T, Nakamura T, Noguchi K, Yoshimura A, Hara Y, Fujise O, Nishimura F, Kono T, Umeda M, Fukuda M, Noguchi T, Yoshinari N, Fukaya C, Sekino S, Numabe Y, Sugano N, Ito K, Kobayashi H, Izumi Y, Takai H, Ogata Y, Takano S, Minabe M, Makino-Oi A, Saito A, Abe Y, Sato S, Suzuki F, Takahashi K, Sugaya T, Kawanami M, Hanada N, Takashiba S, Yoshie H. Assessing the progression of chronic periodontitis using subgingival pathogen levels: a 24-month prospective multicenter cohort study. BMC Oral Health 2017; 17:46. [PMID: 28093069 PMCID: PMC5240246 DOI: 10.1186/s12903-017-0337-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2016] [Accepted: 01/06/2017] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The diagnosis of the progression of periodontitis presently depends on the use of clinical symptoms (such as attachment loss) and radiographic imaging. The aim of the multicenter study described here was to evaluate the diagnostic use of the bacterial content of subgingival plaque recovered from the deepest pockets in assessing disease progression in chronic periodontitis patients. METHODS This study consisted of a 24-month investigation of a total of 163 patients with chronic periodontitis who received trimonthly follow-up care. Subgingival plaque from the deepest pockets was recovered and assessed for bacterial content of Porphyromonas gingivalis, Prevotella intermedia, and Aggregatibacter actinomycetemcomitans using the modified Invader PLUS assay. The corresponding serum IgG titers were measured using ELISA. Changes in clinical parameters were evaluated over the course of 24 months. The sensitivity, specificity, and prediction values were calculated and used to determine cutoff points for prediction of the progression of chronic periodontitis. RESULTS Of the 124 individuals who completed the 24-month monitoring phase, 62 exhibited progression of periodontitis, whereas 62 demonstrated stable disease. The P. gingivalis counts of subgingival plaque from the deepest pockets was significantly associated with the progression of periodontitis (p < 0.001, positive predictive value = 0.708). CONCLUSIONS The P. gingivalis counts of subgingival plaque from the deepest pockets may be associated with the progression of periodontitis.
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Sasaki Y, Hayashi JI, Fujimura T, Iwamura Y, Yamamoto G, Nishida E, Ohno T, Okada K, Yamamoto H, Kikuchi T, Mitani A, Fukuda M. New Irradiation Method with Indocyanine Green-Loaded Nanospheres for Inactivating Periodontal Pathogens. Int J Mol Sci 2017; 18:ijms18010154. [PMID: 28098777 PMCID: PMC5297787 DOI: 10.3390/ijms18010154] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 12/30/2016] [Accepted: 01/10/2017] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial photodynamic therapy (aPDT) has been proposed as an adjunctive strategy for periodontitis treatments. However, use of aPDT for periodontal treatment is complicated by the difficulty in accessing morphologically complex lesions such as furcation involvement, which the irradiation beam (which is targeted parallel to the tooth axis into the periodontal pocket) cannot access directly. The aim of this study was to validate a modified aPDT method that photosensitizes indocyanine green-loaded nanospheres through the gingivae from outside the pocket using a diode laser. To establish this trans-gingival irradiation method, we built an in vitro aPDT model using a substitution for gingivae. Irradiation conditions and the cooling method were optimized before the bactericidal effects on Porphyromonas gingivalis were investigated. The permeable energy through the gingival model at irradiation conditions of 2 W output power in a 50% duty cycle was comparable with the transmitted energy of conventional irradiation. Intermittent irradiation with air cooling limited the temperature increase in the gingival model to 2.75 °C. The aPDT group showed significant bactericidal effects, with reductions in colony-forming units of 99.99% after 5 min of irradiation. This effect of aPDT against a periodontal pathogen demonstrates the validity of trans-gingival irradiation for periodontal treatment.
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Nakamura T, Kon Y, Shibata S, Konuma K, Sanada T, Gonda H, Suto Y, Kobayashi K, Takita N, Shimura M, Yoshida H, Suzuki A, Onuki S, Fukuda M, Aoyagi C, Hasegawa Y, Nishiwaki A. Duodenal neoplasm in screening esophagogastroduodenoscopy. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw385.07] [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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Ota M, Sumimura A, Fukuhara M, Ishii Y, Fukuda M. Plasmonic-multimode-interference-based logic circuit with simple phase adjustment. Sci Rep 2016; 6:24546. [PMID: 27086694 PMCID: PMC4834483 DOI: 10.1038/srep24546] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 03/24/2016] [Indexed: 11/13/2022] Open
Abstract
All-optical logic circuits using surface plasmon polaritons have a potential for high-speed information processing with high-density integration beyond the diffraction limit of propagating light. However, a number of logic gates that can be cascaded is limited by complicated signal phase adjustment. In this study, we demonstrate a half-adder operation with simple phase adjustment using plasmonic multimode interference (MMI) devices, composed of dielectric stripes on a metal film, which can be fabricated by a complementary metal-oxide semiconductor (MOS)-compatible process. Also, simultaneous operations of XOR and AND gates are substantiated experimentally by combining 1 × 1 MMI based phase adjusters and 2 × 2 MMI based intensity modulators. An experimental on-off ratio of at least 4.3 dB is confirmed using scanning near-field optical microscopy. The proposed structure will contribute to high-density plasmonic circuits, fabricated by complementary MOS-compatible process or printing techniques.
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Kitamura M, Akamatsu M, Kawanami M, Furuichi Y, Fujii T, Mori M, Kunimatsu K, Shimauchi H, Ogata Y, Yamamoto M, Nakagawa T, Sato S, Ito K, Ogasawara T, Izumi Y, Gomi K, Yamazaki K, Yoshie H, Fukuda M, Noguchi T, Takashiba S, Kurihara H, Nagata T, Hamachi T, Maeda K, Yokota M, Sakagami R, Hara Y, Noguchi K, Furuuchi T, Sasano T, Imai E, Ohmae M, Koizumi H, Watanuki M, Murakami S. Randomized Placebo-Controlled and Controlled Non-Inferiority Phase III Trials Comparing Trafermin, a Recombinant Human Fibroblast Growth Factor 2, and Enamel Matrix Derivative in Periodontal Regeneration in Intrabony Defects. J Bone Miner Res 2016; 31:806-14. [PMID: 26547659 DOI: 10.1002/jbmr.2738] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2015] [Revised: 10/22/2015] [Accepted: 11/04/2015] [Indexed: 12/20/2022]
Abstract
We investigated the efficacy, safety, and clinical significance of trafermin, a recombinant human fibroblast growth factor (rhFGF)-2, for periodontal regeneration in intrabony defects in Phase III trials. Study A, a multicenter, randomized, double-blind, placebo-controlled study, was conducted at 24 centers. Patients with periodontitis with 4-mm and 3-mm or deeper probing pocket depth and intrabony defects, respectively, were included. A total of 328 patients were randomly assigned (2:1) to receive 0.3% rhFGF-2 or placebo, and 323 patients received the assigned investigational drug during flap surgery. One of the co-primary endpoints, the percentage of bone fill at 36 weeks after drug administration, was significantly greater in the rhFGF-2 group at 37.131% (95% confidence interval [CI], 32.7502 to 41.5123; n = 208) than it was in the placebo group at 21.579% (95% CI, 16.3571 to 26.8011; n = 100; p < 0.001). The other endpoint, the clinical attachment level regained at 36 weeks, was not significantly different between groups. Study B, a multicenter, randomized, blinded (patients and evaluators of radiographs), and active-controlled study was conducted at 15 centers to clarify the clinical significance of rhFGF-2. Patients with 6-mm and 4-mm or deeper probing pocket depth and intrabony defects, respectively, were included. A total of 274 patients were randomly assigned (5:5:2) to receive rhFGF-2, enamel matrix derivative (EMD), or flap surgery alone. A total of 267 patients received the assigned treatment during flap surgery. The primary endpoint, the linear alveolar bone growth at 36 weeks, was 1.927 mm (95% CI, 1.6615 to 2.1920; n = 108) in the rhFGF-2 group and 1.359 mm (95% CI, 1.0683 to 1.6495; n = 109) in the EMD group, showing non-inferiority (a prespecified margin of 0.3 mm) and superiority of rhFGF-2 to EMD. Safety problems were not identified in either study. Therefore, trafermin is an effective and safe treatment for periodontal regeneration in intrabony defect, and its efficacy was superior in rhFGF-2 compared to EMD treatments.
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Takano H, Takahashi T, Nakata A, Nogami S, Yusa K, Kuwajima S, Yamazaki M, Fukuda M. Facilitation of bone resorption activities in synovial lavage fluid patients with mandibular condyle fractures. J Oral Rehabil 2016; 43:333-9. [DOI: 10.1111/joor.12388] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/14/2016] [Indexed: 12/01/2022]
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Yorita T, Hatanaka K, Fukuda M, Shimada K, Yasuda Y, Saito T, Tamura H, Kamakura K. Developments of fast emittance monitors for ion sources at RCNP. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:02B928. [PMID: 26932100 DOI: 10.1063/1.4933340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Recently, several developments of low energy beam transport line and its beam diagnostic systems have been performed to improve the injection efficiency of ion beam to azimuthally varying field cyclotron at Research Center for Nuclear Physics, Osaka University. One of those is the fast emittance monitor which can measure within several seconds for the efficient beam development and a Pepper-Pot Emittance Monitor (PPEM) has been developed. The PPEM consists of pepper-pot mask, multichannel plate, fluorescent screen, mirror, and CCD camera. The CCD image is taken via IEEE1394b to a personal computer and analyzed immediately and frequently, and then real time measurement with about 2 Hz has been achieved.
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Morozumi T, Nakagawa T, Nomura Y, Sugaya T, Kawanami M, Suzuki F, Takahashi K, Abe Y, Sato S, Makino-Oi A, Saito A, Takano S, Minabe M, Nakayama Y, Ogata Y, Kobayashi H, Izumi Y, Sugano N, Ito K, Sekino S, Numabe Y, Fukaya C, Yoshinari N, Fukuda M, Noguchi T, Kono T, Umeda M, Fujise O, Nishimura F, Yoshimura A, Hara Y, Nakamura T, Noguchi K, Kakuta E, Hanada N, Takashiba S, Yoshie H. Salivary pathogen and serum antibody to assess the progression of chronic periodontitis: a 24-mo prospective multicenter cohort study. J Periodontal Res 2016; 51:768-778. [PMID: 26791469 DOI: 10.1111/jre.12353] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2015] [Indexed: 12/31/2022]
Abstract
BACKGROUND AND OBJECTIVE A diagnosis of periodontitis progression is presently limited to clinical parameters such as attachment loss and radiographic imaging. The aim of this multicenter study was to monitor disease progression in patients with chronic periodontitis during a 24-mo follow-up program and to evaluate the amount of bacteria in saliva and corresponding IgG titers in serum for determining the diagnostic usefulness of each in indicating disease progression and stability. MATERIAL AND METHODS A total of 163 patients with chronic periodontitis who received trimonthly follow-up care were observed for 24 mo. The clinical parameters and salivary content of Porphyromonas gingivalis, Prevotella intermedia and Aggregatibacter actinomycetemcomitans were assessed using the modified Invader PLUS assay, and the corresponding serum IgG titers were measured using ELISA. The changes through 24 mo were analyzed using cut-off values calculated for each factor. One-way ANOVA or Fisher's exact test was used to perform between-group comparison for the data collected. Diagnostic values were calculated using Fisher's exact test. RESULTS Of the 124 individuals who completed the 24-mo monitoring phase, 62 exhibited periodontitis progression, whereas 62 demonstrated stable disease. Seven patients withdrew because of acute periodontal abscess. The ratio of P. gingivalis to total bacteria and the combination of P. gingivalis counts and IgG titers against P. gingivalis were significantly related to the progression of periodontitis. The combination of P. gingivalis ratio and P. gingivalis IgG titers was significantly associated with the progression of periodontitis (p = 0.001, sensitivity = 0.339, specificity = 0.790). CONCLUSIONS It is suggested that the combination of P. gingivalis ratio in saliva and serum IgG titers against P. gingivalis may be associated with the progression of periodontitis.
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Tran D, Nguyen T, Tanihata I, Ong H, Fukuda M, Aoi N, Ayyad Y, Sakaguchi H, Tanaka J, Chan P, Hoang T, Hashimoto T, Ideguchi E, Inoue A, Kawabata T, Khiem L, Matsuta K, Mihara M, Momota S, Nagae D, Ozawa A, Ren P, Terashima S, Wada R, Lin W, Yamamoto T. Charge-changing cross section measurement of neutron-rich carbon isotopes at 50 AMeV. EPJ WEB OF CONFERENCES 2016. [DOI: 10.1051/epjconf/201611707023] [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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Tanikawa D, Syutsubo K, Hatamoto M, Fukuda M, Takahashi M, Choeisai PK, Yamaguchi T. Treatment of natural rubber processing wastewater using a combination system of a two-stage up-flow anaerobic sludge blanket and down-flow hanging sponge system. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2016; 73:1777-1784. [PMID: 27120630 DOI: 10.2166/wst.2016.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A pilot-scale experiment of natural rubber processing wastewater treatment was conducted using a combination system consisting of a two-stage up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactor for more than 10 months. The system achieved a chemical oxygen demand (COD) removal efficiency of 95.7% ± 1.3% at an organic loading rate of 0.8 kg COD/(m(3).d). Bacterial activity measurement of retained sludge from the UASB showed that sulfate-reducing bacteria (SRB), especially hydrogen-utilizing SRB, possessed high activity compared with methane-producing bacteria (MPB). Conversely, the acetate-utilizing activity of MPB was superior to SRB in the second stage of the reactor. The two-stage UASB-DHS system can reduce power consumption by 95% and excess sludge by 98%. In addition, it is possible to prevent emissions of greenhouse gases (GHG), such as methane, using this system. Furthermore, recovered methane from the two-stage UASB can completely cover the electricity needs for the operation of the two-stage UASB-DHS system, accounting for approximately 15% of the electricity used in the natural rubber manufacturing process.
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Tsutsumi M, Kitahata H, Fukuda M, Kumamoto J, Goto M, Denda S, Yamasaki K, Aiba S, Nagayama M, Denda M. Numerical and comparative three‐dimensional structural analysis of peripheral nerve fibres in epidermis of patients with atopic dermatitis. Br J Dermatol 2015; 174:191-4. [DOI: 10.1111/bjd.13974] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Fukuda M, Andou M. Total Laparoscopic Hysterectomy for Uteri Over 1Kg. J Minim Invasive Gynecol 2015; 22:S147. [DOI: 10.1016/j.jmig.2015.08.522] [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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Kikuchi T, Mogi M, Okabe I, Okada K, Goto H, Sasaki Y, Fujimura T, Fukuda M, Mitani A. Adjunctive Application of Antimicrobial Photodynamic Therapy in Nonsurgical Periodontal Treatment: A Review of Literature. Int J Mol Sci 2015; 16:24111-26. [PMID: 26473843 PMCID: PMC4632741 DOI: 10.3390/ijms161024111] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 09/26/2015] [Accepted: 10/08/2015] [Indexed: 12/14/2022] Open
Abstract
Periodontal disease is caused by dental plaque biofilms, and the removal of these biofilms from the root surface of teeth plays a central part in its treatment. The conventional treatment for periodontal disease fails to remove periodontal infection in a subset of cases, such as those with complicated root morphology. Adjunctive antimicrobial photodynamic therapy (aPDT) has been proposed as an additional treatment for this infectious disease. Many periodontal pathogenic bacteria are susceptible to low-power lasers in the presence of dyes, such as methylene blue, toluidine blue O, malachite green, and indocyanine green. aPDT uses these light-activated photosensitizer that is incorporated selectively by bacteria and absorbs a low-power laser/light with an appropriate wavelength to induce singlet oxygen and free radicals, which are toxic to bacteria. While this technique has been evaluated by many clinical studies, some systematic reviews and meta-analyses have reported controversial results about the benefits of aPDT for periodontal treatment. In the light of these previous reports, the aim of this review is to provide comprehensive information about aPDT and help extend knowledge of advanced laser therapy.
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Nogami S, Yamamoto K, Fukuda M, Hasegawa A. Fatigue Crack Initiation of F82H Reduced Activation Ferritic/Martensitic Steel. FUSION SCIENCE AND TECHNOLOGY 2015. [DOI: 10.13182/fst14-927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Nogami S, Guan W, Fukuda M, Tanigawa H, Hasegawa A. Effect of Non-Uniform Deformation on Low Cycle Fatigue Properties of Electron Beam Weld Joint of F82H Steel. FUSION SCIENCE AND TECHNOLOGY 2015. [DOI: 10.13182/fst14-929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Ota M, Fukuhara M, Sumimura A, Ito M, Aihara T, Ishii Y, Fukuda M. Dielectric-loaded surface plasmon polariton crossing waveguides using multimode interference. OPTICS LETTERS 2015; 40:2269-2272. [PMID: 26393716 DOI: 10.1364/ol.40.002269] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A low-loss low-crosstalk multimode interference (MMI) crossing design for dielectric-loaded surface plasmon polariton waveguides (DLSPPWs), which are SiO2 stripes on Au films, is demonstrated numerically and experimentally. DLSPPWs are compatible with strong surface plasmon polariton (SPP) field confinement and maintain relatively low propagation losses. Unlike simpler crossings without MMI structures, low insertion loss of 0.65 dB and low crosstalk of -20.27 dB is confirmed numerically at a crossing angle of 10° when using tilted mirror-imaged MMI crossings. Similar insertion losses were also confirmed experimentally. The proposed structure will be beneficial for plasmonic device miniaturization and flexible patterning of optical interconnections.
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Kubota K, Sakai H, Katakami N, Nishio M, Inoue A, Okamoto H, Isobe H, Kunitoh H, Takiguchi Y, Kobayashi K, Nakamura Y, Ohmatsu H, Sugawara S, Minato K, Fukuda M, Yokoyama A, Takeuchi M, Michimae H, Gemma A, Kudoh S. A randomized phase III trial of oral S-1 plus cisplatin versus docetaxel plus cisplatin in Japanese patients with advanced non-small-cell lung cancer: TCOG0701 CATS trial. Ann Oncol 2015; 26:1401-8. [PMID: 25908605 PMCID: PMC4478975 DOI: 10.1093/annonc/mdv190] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Accepted: 04/13/2015] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Platinum-based two-drug combination chemotherapy has been standard of care for patients with advanced nonsmall-cell lung cancer (NSCLC). The primary aim was to compare overall survival (OS) of patients with advanced NSCLC between the two chemotherapy regimens. Secondary end points included progression-free survival (PFS), response, safety, and quality of life (QoL). PATIENTS AND METHODS Patients with previously untreated stage IIIB or IV NSCLC, an Eastern Cooperative Oncology Group performance status of 0-1 and adequate organ function were randomized to receive either oral S-1 80 mg/m(2)/day on days 1-21 plus cisplatin 60 mg/m(2) on day 8 every 4-5 weeks, or docetaxel 60 mg/m(2) on day 1 plus cisplatin 80 mg/m(2) on day 1 every 3-4 weeks, both up to six cycles. RESULTS A total of 608 patients from 66 sites in Japan were randomized to S-1 plus cisplatin (n = 303) or docetaxel plus cisplatin (n = 305). OS for oral S-1 plus cisplatin was noninferior to docetaxel plus cisplatin [median survival, 16.1 versus 17.1 months, respectively; hazard ratio = 1.013; 96.4% confidence interval (CI) 0.837-1.227]. Significantly higher febrile neutropenia (7.4% versus 1.0%), grade 3/4 neutropenia (73.4% versus 22.9%), grade 3/4 infection (14.5% versus 5.3%), and grade 1/2 alopecia (59.3% versus 12.3%) were observed in the docetaxel plus cisplatin than in the S-1 plus cisplatin. There were no differences found in PFS or response between the two arms. QoL data investigated by EORTC QLQ-C30 and LC-13 favored the S-1 plus cisplatin. CONCLUSION Oral S-1 plus cisplatin is not inferior to docetaxel plus cisplatin and is better tolerated in Japanese patients with advanced NSCLC. CLINICAL TRIAL NUMBER UMIN000000608.
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Fukuda M, Sasaki H, Fukuda MN. Erythropoietin metabolism and the influence of carbohydrate structure. CONTRIBUTIONS TO NEPHROLOGY 2015; 76:78-89. [PMID: 2684536 DOI: 10.1159/000417883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Ting CC, Fukuda M, Watanabe T, Sanaoka A, Mitani A, Noguchi T. Morphological Alterations of Periodontal Pocket Epithelium Following Nd:YAG Laser Irradiation. Photomed Laser Surg 2014; 32:649-57. [DOI: 10.1089/pho.2014.3793] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yanai S, Andou M, Nakajima S, Fukuda M, Kanao H. Laparoscopic Surgery Using Suture Suspension – “Marionette-Like Technique”. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Andou M, Nakajima S, Yanai S, Kurotsuchi S, Fukuda M. Ultra-Minimally Invasive Adnexectomy- NOTES. J Minim Invasive Gynecol 2014. [DOI: 10.1016/j.jmig.2014.08.738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Fukuda M, Takizawa S, Kawamoto Y, Ohyama Y, Inoue K, Suzuki S, Sakashita H. Expression of MUC1 in human squamous cell carcinoma of the oral cavity. J Oral Maxillofac Surg 2014. [DOI: 10.1016/j.joms.2014.06.180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Takaoka H, Bain O, Uni S, Korenaga M, Kozek WJ, Shirasaka C, Aoki C, Otsuka Y, Fukuda M, Eshita Y, Daa T. Zoonotic onchocerciasis caused by a parasite from wild boar in Oita, Japan. Parasite 2014; 11:285-92. [PMID: 15490753 DOI: 10.1051/parasite/2004113285] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Histological examination of a nodule removed from the back of the hand of a 58-year-old woman from Oita, Kyushu, Japan showed an Onchocerca female sectioned through the posterior region of the worm (ovaries identifiable) and young (thin cuticle). Six Onchocerca species are enzootic in that area: O. gutturosa and O. lienalis in cattle, O. suzukii in serows (Capricornis crispus), O. skrjabini and an Onchocerca sp. in Cervus nippon nippon, and O. dewittei japonica in wild boar (Sus scrofa leucomystax). Diagnostic characters of female Onchocerca species, such as the cuticle and its ridges, change along the body length. Tables of the histologic morphology of the mid- and posterior body-regions of the local species are presented. In addition, it was observed that transverse ridges arose and thickened during the adult stage (examination of fourth stage and juvenile females of O. volvulus). The specimen described in this report, with its prominent and widely spaced ridges, was identified as O. d. japonica. Four of the 10 zoonotic cases of onchocerciasis reported worldwide were from Oita, three of them being caused by O. d. japonica, the prevalence of which in local wild boar was 22 of 24 (92%).
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Aziz R, Beymer M, Negrón AL, Newshan A, Yu G, Rosati B, McKinnon D, Fukuda M, Lin RZ, Mayer C, Boehm U, Acosta-Martínez M. Galanin-like peptide (GALP) neurone-specific phosphoinositide 3-kinase signalling regulates GALP mRNA levels in the hypothalamus of males and luteinising hormone levels in both sexes. J Neuroendocrinol 2014; 26:426-38. [PMID: 24796383 PMCID: PMC4076824 DOI: 10.1111/jne.12163] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 04/23/2014] [Accepted: 04/28/2014] [Indexed: 12/31/2022]
Abstract
Galanin-like peptide (GALP) neurones participate in the metabolic control of reproduction and are targets of insulin and leptin regulation. Phosphoinositide 3-kinase (PI3K) is common to the signalling pathways utilised by both insulin and leptin. Therefore, we investigated whether PI3K signalling in neurones expressing GALP plays a role in the transcriptional regulation of the GALP gene and in the metabolic control of luteinising hormone (LH) release. Accordingly, we deleted PI3K catalytic subunits p110α and p110β via conditional gene targeting (cKO) in mice (GALP-p110α/β cKO). To monitor PI3K signalling in GALP neurones, these animals were also crossed with Cre-dependent FoxO1GFP reporter mice. Compared to insulin-infused control animals, the PI3K-Akt-dependent FoxO1GFP nuclear exclusion in GALP neurones was abolished in GALP-p110α/β cKO mice. We next used food deprivation to investigate whether the GALP-neurone specific ablation of PI3K activity affected the susceptibility of the gonadotrophic axis to negative energy balance. Treatment did not affect LH levels in either sex. However, a significant genotype effect on LH levels was observed in females. By contrast, no genotype effect on LH levels was observed in males. A sex-specific genotype effect on hypothalamic GALP mRNA was observed, with fed and fasted GALP-p110α/β cKO males having lower GALP mRNA expression compared to wild-type fed males. Finally, the effects of gonadectomy and steroid hormone replacement on GALP mRNA levels were investigated. Compared to vehicle-treated mice, steroid hormone replacement reduced mediobasal hypothalamus GALP expression in wild-type and GALP-p110α/β cKO animals. In addition, within the castrated and vehicle-treated group and compared to wild-type mice, LH levels were lower in GALP-p110α/β cKO males. Double immunofluorescence using GALP-Cre/R26-YFP mice showed androgen and oestrogen receptor co-localisation within GALP neurones. Our data demonstrate that GALP neurones are direct targets of steroid hormones and that PI3K signalling regulates hypothalamic GALP mRNA expression and LH levels in a sex-specific fashion.
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