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Nakamura N, Tsurumi H, Shibata Y, Mabuchi R, Kitagawa J, Suetsugu A, Kanemura N, Goto N, Hara T, Moriwaki H. Garenoxacin Prophylaxis for Febrile Neutropenia After Chemotherapy in Hematological Malignancies. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt459.17] [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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Yamada T, Tsurumi H, Kitagawa J, Kanemura N, Goto N, Kasahara S, Goto H, Fukuno K, Sawada M, Moriwaki H. Bendamustine Therapy for Relapsed or Refractory Low Grade B-Cell Lymphoma and Mantle Cell Lymphoma. Ann Oncol 2013. [DOI: 10.1093/annonc/mdt459.24] [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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Goto N, Matsuda Y, Takada M, Yamamoto T, Tsujita M, Hiramitsu T, Nanmoku K, Watarai Y, Katayama A, Kobayashi T, Uchida K. Long-Term Outcome in Kidney Transplant Recipients with HTLV-1 Carriers. Transplantation 2012. [DOI: 10.1097/00007890-201211271-00670] [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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Mauchi R, Goto N, Tsurumi H, Hara T, Nakamura N, Nakamura H, Nagano J, Kitagawa J, Kanemura N, Takami T, Moriwaki H. Prognositc Inpact of Tumor-Infiltrating FOXP3+ Regulatory T Cells in Dlbcl Treated with R-CHOP. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32427-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Yamamoto T, Kawaguchi T, Watarai Y, Tujita M, Hiramitsu T, Nanmoku K, Goto N, Katayama A, Kobayashi T, Uchida K. Potent immunosuppression for ABO-incompatible renal transplantation may not be a risk factor for malignancy. Transplant Proc 2012; 44:210-3. [PMID: 22310616 DOI: 10.1016/j.transproceed.2011.11.048] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
ABO-incompatible (ABOi) renal transplantation has been increasing, but malignant tumor is a troubling complication of kidney transplantation due to potent immunosuppression. Few previous studies, however, have demonstrated that potent immunosuppression for ABOi living-donor renal transplantation (LDRT) is a risk factor for malignancy. In the present research, data on 252 LDRT patients ftom 2003 to 2008 were retrospectively analyzed to clarify whether ABOi LDRT was associated with malignancy. A potent immunosuppressive regimen for ABOiLDRT consisted of splenectomy, cyclophosphamide, and double-filtration plasmapheresis to minimize the risk of antibody-mediated rejection, in addition to conventional immunosuppresssants including calcineurin inhibitor, prednisolone, and anti-CD25 monoclonal antibody. A total of 11 incidences of malignancy were observed during a median follow-up of 48 months. The incidence rates in ABO-compatible (ABOc; n = 189) and ABOi (n = 63) LDRT groups were 4.2 % (8/189) and 4.8 % (3/63), respectively. Kaplan-Meier survival analysis showed no statistical difference in event-free survival for malignancy between ABOc and ABOiLDRT groups (log-rank P = .73). Multivariable Cox regression analyses identified no associations of malignancy with ABOi LDRT or any immunosuppressant use. In conclusion, our investigation suggested that potent immunosuppression with splenectomy and cyclophosphamide for ABOi LDRT may not be a risk factor for malignancy.
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Nanmoku K, Matsuda Y, Yamamoto T, Tsujita M, Hiramitsu T, Goto N, Katayama A, Watarai Y, Kobayashi T, Uchida K. Clinical Characteristics and Outcomes of Renal Transplantation in Elderly Recipients. Transplant Proc 2012; 44:281-3. [DOI: 10.1016/j.transproceed.2012.01.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Goto N, Oka S. Pneumocystis jirovecii pneumonia in kidney transplantation. Transpl Infect Dis 2011; 13:551-8. [DOI: 10.1111/j.1399-3062.2011.00691.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2011] [Revised: 07/22/2011] [Accepted: 09/07/2011] [Indexed: 11/27/2022]
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Yanagiya S, Goto N. Mechanical property measurements of growing lysozyme crystal by atomic force microscopy with laser confocal differential interference microscopy. Acta Crystallogr A 2011. [DOI: 10.1107/s0108767311086491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Goto N, Yoshimura R, Kakeda S, Moriya J, Hayashi K, Ikenouchi-Sugita A, Umene-Nakano W, Hori H, Ueda N, Korogi Y, Nakamura J. Comparison of brain N-acetylaspartate levels and serum brain-derived neurotrophic factor (BDNF) levels between patients with first-episode schizophrenia psychosis and healthy controls. Eur Psychiatry 2011; 26:57-63. [PMID: 20434315 DOI: 10.1016/j.eurpsy.2009.10.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2009] [Revised: 09/17/2009] [Accepted: 10/09/2009] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND N-acetylaspartate (NAA) levels and serum brain-derived neurotrophic factor (BDNF) levels in patients with first-episode schizophrenia psychosis and age- and sex-matched healthy control subjects were investigated. In addition, plasma levels of homovanillic acid (HVA) and 3-methoxy-4-hydroxyphenylglycol (MHPG) were compared between the two groups. METHOD Eighteen patients (nine males, nine females; age range: 13-52 years) were enrolled in the study, and 18 volunteers (nine males, nine females; age range: 15-49 years) with no current or past psychiatric history were also studied by magnetic resonance spectroscopy (MRS) as sex- and age-matched controls. RESULTS Levels of NAA/Cr in the left basal ganglia (p=0.0065) and parieto-occipital lobe (p=0.00498), but not in the frontal lobe, were significantly lower in patients with first-episode schizophrenia psychosis than in control subjects. No difference was observed between the serum BDNF levels of patients with first-episode schizophrenia psychosis and control subjects. In regard to the plasma levels of catecholamine metabolites, plasma MHPG, but not HVA, was significantly lower in the patients with first-episode psychosis than in control subjects. In addition, a significantly positive correlation was observed between the levels of NAA/Cr of the left basal ganglia and plasma MHPG in all subjects. CONCLUSION These results suggest that brain NAA levels in the left basal ganglia and plasma MHPG levels were significantly reduced at the first episode of schizophrenia psychosis, indicating that neurodegeneration via noradrenergic neurons might be associated with the initial progression of the disease.
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Goto T, Ishikawa A, Onitsuka S, Goto N, Fujikawa Y, Umino T, Nishibori M, Tsudzuki M. Mapping quantitative trait loci for egg production traits in an F2 intercross of Oh-Shamo and White Leghorn chickens. Anim Genet 2011; 42:634-41. [PMID: 22035005 DOI: 10.1111/j.1365-2052.2011.02190.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We performed quantitative trait locus (QTL) analyses for egg production traits, including age at first egg (AFE) and egg production rates (EPR) measured every 4 weeks from 22 to 62 weeks of hen age, in a population of 421 F(2) hens derived from an intercross between the Oh-Shamo (Japanese Large Game) and White Leghorn breeds of chickens. Simple interval mapping revealed a main-effect QTL for AFE on chromosome 1 and four main-effect QTL for EPR on chromosomes 1 and 11 (three on chromosome 1 and one on chromosome 11) at the genome-wide 5% levels. Among the three EPR QTL on chromosome 1, two were identified at the early stage of egg laying (26-34 weeks of hen age) and the remaining one was discovered at the late stage (54-58 weeks). The alleles at the two EPR QTL derived from the Oh-Shamo breed unexpectedly increased the trait values, irrespective of the Oh-Shamo being inferior to the White Leghorn in the trait. This suggests that the Oh-Shamo, one of the indigenous Japanese breeds, is an untapped resource that is important for further improvement of current elite commercial laying chickens. In addition, six epistatic QTL were identified on chromosomes 2, 4, 7, 8, 17 and 19, where none of the above main-effect QTL were located. This is the first example of detection of epistatic QTL affecting egg production traits. The main and epistatic QTL identified accounted for 4-8% of the phenotypic variance. The total contribution of all QTL detected for each trait to the phenotypic and genetic variances ranged from 4.1% to 16.9% and from 11.5% to 58.5%, respectively.
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Tadano R, Goto N, Tsudzuki M. Genetic differentiation among White Leghorn lines: application of individual-based clustering approaches. Poult Sci 2011; 90:725-30. [PMID: 21406355 DOI: 10.3382/ps.2010-01186] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Genetic differentiations among White Leghorn lines were quantified based on allele frequencies of 40 microsatellite loci. In the survey among 7 lines, a considerable degree of differentiation was estimated between each pair of lines; genetic differentiation index (pairwise F(ST)) ranged from 0.0706 to 0.2590. Furthermore, 2 genetic clustering analyses of individuals, a neighbor-joining approach based on interindividual distances and the Bayesian procedure, which can assign individuals to the origins of their lines based on information on multilocus genotypes, were applied to a pairwise comparison of line differentiation. In the clustering approaches between the lowest differentiated line pair (pairwise F(ST) = 0.0706), individuals from 2 different line origins could not be separated into 2 distinct clusters, which indicates that the genetic boundary of these lines is ambiguous. On the other hand, between the highest differentiated pair (pairwise F(ST) = 0.2590), all individuals could be strictly clustered into 2 distinct groups, consistent with the origins of their lines. In the clustering based on interindividual distances, firm separations of individuals were observed in only relatively highly differentiated pairs of lines. Furthermore, in the Bayesian procedure, even in pairs with a relatively low differentiation, individuals from 2 lines formed 2 distinct clusters according to their origins. The results of the present study suggest that chicken lines possess considerable genetic differentiation despite their common breed origin. These clustering approaches at the individual level may be useful for the genetic identification and characterization of poultry stocks.
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Goto N, Ito I, Kawasaki S, Yanagisawa J. 699 The effects of ER alpha ligands on breast cancer metastasis. EJC Suppl 2010. [DOI: 10.1016/s1359-6349(10)71496-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Hirano A, Shimizu T, Kamimura M, Goto N, Watanabe O, Kinoshita J, Domoto K, Aiba M, Ogawa K, Miura D. Epirubicin and cyclophosphamide (EC) followed by weekly paclitaxel with/without trastuzumab as primary systemic therapy in locally advanced breast cancer: Phase II study. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.e11590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
e11590 Background: Primary systemic therapy (PST) has become a standard therapy for locally advanced breast cancer (LABC). The aim of this study was to evaluate the activity and toxicity of EC (epirubicin/cyclophosphamide) followed by weekly paclitaxel with/without trastuzumab as PST in LABC. Methods: Primary endpoint was pathologic complete response (pCR) rate in the breast and axilla, and secondary endpoints were breast conserving rate and toxicities. Patients with histologically diagnosed invasive breast cancer by core needle biopsy of the T2–4 (>3 cm) or N1–3 were included in this study. Eligible patients were age >20 years, had a performance status of 0 to 1, and had adequate organ functions. It was determined that the expected rate of pCR in the trial was 25%, and the sample size was calculated using the Simon method, with a type I error of 5% and a study power of 80%. The target enrollment was estimated to be 40 evaluable patients. Treatment: Patients received epirubicin (100 mg/m2) and cyclophosphamide (600mg/m2 ) every 3 weeks for four cycles followed by paclitaxel (80 mg/m2 ) every week for 12 cycles. Trastuzumab (2mg/kg) was added to paclitaxel in HER2-positive patients. Results: Forty-three patients were enrolled into this study and 3 patients withdrew. pCR were observed in 8 patients and pCR rate was 20.0% (95% confidence interval, 7.6- 32.4). Twenty-four patients (60.0%) underwent breast conserving surgery. In particular, patients with HER2 positive tumor had significantly higher rate of pCR than the others (62.5% vs. 8.6%; p=0.0014). Grade 4 neutropenia was recorded in 27.5% of the patients, and febrile neutropenia occurred in 4 patients (10.0%). No heart failure was seen. Conclusions: EC followed by weekly paclitaxel with/without trastuzumab was an active and well-tolerated treatment for LABC. No significant financial relationships to disclose.
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Sugiura K, Sugiura M, Goto N, Tanigawa A, Koyama K, Itoh A. Cutaneous sarcoidal vasculitis, solitary lesion in the thigh. J Eur Acad Dermatol Venereol 2009; 23:853-4. [PMID: 19207636 DOI: 10.1111/j.1468-3083.2008.03052.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Iwashita T, Yasuda I, Tsurumi H, Goto N, Nakashima M, Doi S, Hirose Y, Takami T, Moriwaki H. Endoscopic ultrasound-guided fine needle aspiration biopsy for splenic tumor: a case series. Endoscopy 2009; 41:179-82. [PMID: 19214901 DOI: 10.1055/s-0028-1119474] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Splenic tumors are occasionally found in clinical practice but the diagnosis is often difficult if only serologic and imaging tests are used. Therefore, pathologic sampling is required in such cases. Endoscopic ultrasonography (EUS) provides a good image of the spleen through the gastric wall, and a transgastric EUS-guided fine needle aspiration (EUS-FNA) biopsy may be easier than the percutaneous approach. Furthermore, a large-gauge needle may raise the capability of EUS-FNA for the histopathologic diagnosis. The aim of this study was to evaluate the yield of EUS-FNA using a large-gauge needle for a splenic tumor. Five patients with splenic tumor were subjected to EUS-FNA with a 19-gauge needle to obtain histopathologic materials. A pathologic sample was obtained in all cases, and the diagnoses were lymphoma (n = 2), sarcoidosis (n = 2), and inflammatory pseudotumor (n = 1). EUS-FNA using a 19-gauge needle is safe and useful for the diagnosis of splenic tumors.
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Kamon M, Fujita D, Goto N, Amano H, Sakamoto K. Prostaglandin F2α negatively regulates bone resorption in murine osteoclast development. Prostaglandins Other Lipid Mediat 2008; 87:26-33. [DOI: 10.1016/j.prostaglandins.2008.06.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2008] [Revised: 03/25/2008] [Accepted: 06/12/2008] [Indexed: 10/21/2022]
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Vincenti F, Friman S, Scheuermann E, Rostaing L, Jenssen T, Campistol JM, Uchida K, Pescovitz MD, Marchetti P, Tuncer M, Citterio F, Viecek A, Chadban S, El-Shahawy M, Budde K, Goto N. Results of an international, randomized trial comparing glucose metabolism disorders and outcome with cyclosporine versus tacrolimus. Am J Transplant 7. Clin J Am Soc Nephrol 2008; 3:7-9. [PMID: 37001057 DOI: 10.2215/01.cjn.0000926940.97537.78] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Tsudzuki M, Onitsuka S, Akiyama R, Iwamizu M, Goto N, Nishibori M, Takahashi H, Ishikawa A. Identification of quantitative trait loci affecting shank length, body weight and carcass weight from the Japanese cockfighting chicken breed, Oh-Shamo (Japanese Large Game). Cytogenet Genome Res 2007; 117:288-95. [PMID: 17675870 DOI: 10.1159/000103190] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2006] [Accepted: 09/11/2006] [Indexed: 11/19/2022] Open
Abstract
We performed a quantitative trait locus (QTL) analysis to map QTLs controlling shank length, body weight, and carcass weight in a resource family of 245 F(2) birds developed from a cross of the large-sized, native, Japanese cockfighting breed, Oh-Shamo (Japanese Large Game), and the White Leghorn breed of chickens. Interval mapping revealed three significant QTLs for shank length on chromosomes 1, 4 and 24 at the experiment-wise 5% level, and a suggestive shank length QTL on chromosome 27 at the experiment-wise 10% level. For body weight two QTLs, one significant and the other suggestive, were identified on chromosomes 4 and 24, respectively. As expected, QTLs for carcass weight, which was highly correlated with body weight (r = 0.95), were detected at the same chromosomal locations as the detected body weight QTLs. Interestingly, the chromosomal locations containing these body weight and carcass weight QTLs coincided with those of two of the four shank length QTLs detected. No QTL with an epistatic interaction effect was discovered for any trait. The total contribution of all detected QTLs to genetic variance was 98.4%, 27.0% and 25.9% for shank length, body weight and carcass weight, respectively, indicating that most shank length QTLs have been identified but many body weight and carcass weight QTLs have been overlooked by the present analysis because of a low coverage rate of the 88 microsatellite markers used here (approximately 46% of the whole genome).
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Uchida S, Hayashi N, Goto N, Daikai S, Koyanagi A, Yoshioka M. Evaluation of a novel hybrid polymer in hair treatment. Int J Cosmet Sci 2007. [DOI: 10.1111/j.1467-2494.2007.00376_6.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Vincenti F, Friman S, Scheuermann E, Rostaing L, Jenssen T, Campistol JM, Uchida K, Pescovitz MD, Marchetti P, Tuncer M, Citterio F, Wiecek A, Chadban S, El-Shahawy M, Budde K, Goto N. Results of an international, randomized trial comparing glucose metabolism disorders and outcome with cyclosporine versus tacrolimus. Am J Transplant 2007; 7:1506-14. [PMID: 17359512 DOI: 10.1111/j.1600-6143.2007.01749.x] [Citation(s) in RCA: 434] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
DIRECT (Diabetes Incidence after Renal Transplantation: Neoral C(2) Monitoring Versus Tacrolimus) was a 6-month, open-label, randomized, multicenter study which used American Diabetes Association/World Health Organization criteria to define glucose abnormalities. De novo renal transplant patients were randomized to cyclosporine microemulsion (CsA-ME, using C(2) monitoring) or tacrolimus, with mycophenolic acid, steroids and basiliximab. The intent-to-treat population comprised 682 patients (336 CsA-ME, 346 tacrolimus): 567 were nondiabetic at baseline. Demographics, diabetes risk factors and steroid doses were similar between treatment groups. The primary safety endpoint, new-onset diabetes after transplant (NODAT) or impaired fasting glucose (IFG) at 6 months, occurred in 73 CsA-ME patients (26.0%) and 96 tacrolimus patients (33.6%, p = 0.046). The primary efficacy endpoint, biopsy-proven acute rejection, graft loss or death at 6 months, occurred in 43 CsA-ME patients (12.8%) and 34 tacrolimus patients (9.8%, p = 0.211). Mean glomerular filtration rate (Cockcroft-Gault) was 63.6 +/- 20.7 mL/min/1.73 m(2) in the CsA-ME cohort and 65.9 +/- 23.1 mL/min/1.73 m(2) with tacrolimus (p = 0.285); mean serum creatinine was 139 +/- 58 and 133 +/- 57 mumol/L, respectively (p = 0.005). Blood pressure was similar between treatment groups at month 6, but total cholesterol, LDL-cholesterol and triglyceride levels were significantly higher with CsA than with tacrolimus (total cholesterol:HDL remained unchanged). The profile and incidence of adverse events were similar between treatments. The incidence of NODAT or IFG at 6 months post-transplant is significantly lower with CsA-ME than with tacrolimus without a significant difference in short-term outcome.
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Tachibana J, Goto N, Fujie K. Estimation of cost and environmental load of fluorocarbon recovery and destruction system based on fluorocarbon stock distribution. ENVIRONMENTAL TECHNOLOGY 2007; 28:499-509. [PMID: 17615959 DOI: 10.1080/09593332808618811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
We developed a simple method to estimate the cost and environmental load of a fluorocarbon recovery and destruction (R&D) system for commercial refrigerators (CRs) and building air conditioners (BACs). In order to estimate the fluorocarbon recovery process in detail, we also developed a method to obtain the regional fluorocarbon stock distribution with GIS (geographic information system). Then the distribution of fluorocarbon stock is visualized and the amount of fluorocarbon stock in the region can be calculated. Results show that the cost and CO2 emission of extraction, storage and destruction processes are a major part of the total cost of fluorocarbon R&D system. Also the cost and CO2 emission of a fluorocarbon R&D system of BACs is more than of CRs. This information is useful to devise a plan for the fluorocarbon R&D system and to fairly share the burden of the R&D cost.
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Kaneda H, Goto N, Kobayakawa T, Takashio M, Saito S. Measurement of Human Brain Activity Evoked by Stimulation of Beer Bitterness Using Magnetoencephalography. J Food Sci 2006. [DOI: 10.1111/j.1365-2621.2004.tb06357.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Uchida K, Tominaga Y, Haba T, Katayama A, Matsuoka S, Goto N, Ueki T, Kimata T, Takeda A, Morozumi K, Takagi H, Nakao A. Clinical success of Neoral absorption profile. Transplant Proc 2004; 36:461S-464S. [PMID: 15041388 DOI: 10.1016/j.transproceed.2004.01.090] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We investigated the clinical benefits of cyclosporine microemulsion preconcentrate (CyA-MEPC; Neoral) in 16 de novo renal transplant recipients. The dose of CyA-MEPC was managed from AUC(0-4h), with serial target values of AUC(0-4h) at 5000-->4000-->3000-->2000 ng. hr/mL. The frequency of acute rejection episodes was 25%. The decreased renal function reached a low value of 12.5%, and creatinine was stable. Therefore, setting the target AUC(0-4h) value in the early phase at 5000 ng.hr/mL is an effective strategy to prevent acute rejection episodes. The single dose of Neoral given immediately after the renal transplant was 6 mg/kg (making a daily dose of 12 mg/kg). Thereafter, the dose-normalized AUC(0-4h) was set at a constant value to 4 weeks posttransplant. At week 4, the single dose was decreased to 4 mg/kg twice daily (a daily dose of 8 mg/kg). From these studies a daily dose of 12 mg/kg is suggested to be the appropriate amount for the first dose immediately after transplant. The renal biopsy performed at 6 months posttransplant showed neither cyclosporine-induced renal impairments, nor findings of chronic rejection, suggesting that 2000 ng.hr/mL is an appropriate target AUC(0-4h) value in the maintenance phase. These results suggest that it is possible to set the target value of C2 monitoring in the maintenance phase to a value slightly lower than that proposed from other studies.
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Igarashi T, Asaga E, Goto N. Roles of Streptococcus mutans dextranase anchored to the cell wall by sortase. ACTA ACUST UNITED AC 2004; 19:102-5. [PMID: 14871349 DOI: 10.1046/j.0902-0055.2003.00123.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In order to clarify the role that sortase (SrtA) plays in anchoring dextranase (Dex) to the cell wall of Streptococcus mutans, both Dex- and SrtA- mutants were constructed by insertional inactivation of the respective genes. Western blot analysis with a Dex antiserum showed that in the srtA mutant the Dex was not bound to the cell wall but was secreted into the culture supernatant. In contrast, in the wild type, Dex remained cell-wall-associated. Biological properties of the srtA mutant were examined in dextran fermentation, colony morphology and adherence to a smooth surface. The srtA mutant, as well as the wild type, retained the ability to ferment dextran. However, the colony morphology of the srtA mutant on Todd Hewitt agar containing sucrose was much larger than that of the wild type and showed a ring-like structure. In addition, the srtA mutant was more adhesive to a smooth surface than the wild type when sucrose was present. However, the adhesion of the srtA mutant remarkably decreased by addition of exogenous dextranase. These studies suggest that the SrtA mediates Dex-anchoring to the cell wall in S. mutans, and cell wall-anchored Dex plays a role in controlling both the adhesive properties of extracellular glucan and the ability to utilize extracellular glucan as a nutrient source. In contrast, extracellular Dex is only responsible for degrading extracellular glucan as a nutrient source.
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Igarashi T, Asaga E, Sato Y, Goto N. Inactivation of srtA gene of Streptococcus mutans inhibits dextran-dependent aggregation by glucan-binding protein C. ACTA ACUST UNITED AC 2004; 19:57-60. [PMID: 14678475 DOI: 10.1046/j.0902-0055.2003.00104.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A sortase-deficient mutant of Streptococcus mutans was prepared by insertional inactivation of a sortase gene (srtA). The srtA mutant was defective in cell wall-anchoring of two surface proteins 200 and 75 kDa in size. A previous study has shown that the 200 kDa protein is a surface protein antigen PAc and that the sortase catalyzes cell wall-anchoring of PAc in S. mutans. In this study another surface protein 75 kDa in size was examined by immunologic and physiologic methods. Western blot analysis with a specific antiserum showed that the 75 kDa protein was a surface protein, glucan-binding protein C. The protein was overexpressed under a stress condition including a sublethal concentration of tetracycline. The srtA mutant cells also lost the ability of dextran-dependent aggregation. These results suggest that the S. mutans sortase mediates cell wall-anchoring of the glucan-binding protein C and dextran-dependent aggregation of this organism.
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