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Adachi JI, Totake K, Shirahata M, Mishima K, Suzuki T, Yanagisawa T, Fukuoka K, Nishikawa R, Arimappamagan A, Manoj N, Mahadevan A, Bhat D, Arvinda H, Indiradevi B, Somanna S, Chandramouli B, Petterson SA, Hermansen SK, Dahlrot RH, Hansen S, Kristensen BW, Carvalho F, Jalali S, Singh S, Croul S, Aldape K, Zadeh G, Choi J, Park SH, Khang SK, Suh YL, Kim SP, Lee YS, Kim SH, Coberly S, Samayoa K, Liu Y, Kiaei P, Hill J, Patterson S, Damore M, Dahiya S, Emnett R, Phillips J, Haydon D, Leonard J, Perry A, Gutmann D, Epari S, Ahmed S, Gurav M, Raikar S, Moiyadi A, Shetty P, Gupta T, Jalali R, Georges J, Zehri A, Carlson E, Martirosyan N, Elhadi A, Nichols J, Ighaffari L, Eschbacher J, Feuerstein B, Anderson T, Preul M, Jensen K, Nakaji P, Girardi H, Monville F, Carpentier S, Giry M, Voss J, Jenkins R, Boisselier B, Frayssinet V, Poggionovo C, Catteau A, Mokhtari K, Sanson M, Peyro-Saint-Paul H, Giannini C, Hide T, Nakamura H, Makino K, Yano S, Anai S, Shinojima N, Kuroda JI, Takezaki T, Kuratsu JI, Higuchi F, Matsuda H, Iwata K, Ueki K, Kim P, Kong J, Cooper L, Wang F, Gao J, Teodoro G, Scarpace L, Mikkelsen T, Schniederjan M, Moreno C, Saltz J, Brat D, Cho U, Hong YK, Lee YS, Lober R, Lu L, Gephart MH, Fisher P, Miyazaki M, Nishihara H, Itoh T, Kato M, Fujimoto S, Kimura T, Tanino M, Tanaka S, Nguyen N, Moes G, Villano JL, Nishihara H, Kanno H, Kato Y, Tanaka S, Ohnishi T, Harada H, Ohue S, Kouno S, Inoue A, Yamashita D, Okamoto S, Nitta M, Muragaki Y, Maruyama T, Sawada T, Komori T, Saito T, Okada Y, Omay SB, Gunel JM, Clark VE, Li J, Omay EZE, Serin A, Kolb LE, Hebert RM, Bilguvar K, Ozduman K, Pamir MN, Kilic T, Baehring J, Piepmeier JM, Brennan CW, Huse J, Gutin PH, Yasuno K, Vortmeyer A, Gunel M, Perry A, Pugh S, Rogers CL, Brachman D, McMillan W, Jenrette J, Barani I, Shrieve D, Sloan A, Mehta M, Prabowo A, Iyer A, Veersema T, Anink J, Meeteren ASV, Spliet W, van Rijen P, Ferrier T, Capper D, Thom M, Aronica E, Chharchhodawala T, Sable M, Sharma MC, Sarkar C, Suri V, Singh M, Santosh V, Thota B, Srividya M, Sravani K, Shwetha S, Arivazhagan A, Thennarasu K, Chandramouli B, Hegde A, Kondaiah P, Somasundaram K, Rao M, Santosh V, Kumar VP, Thota B, Shastry A, Arivazhagan A, Thennarasu K, Kondaiah P, Shastry A, Narayan R, Thota B, Somanna S, Thennarasu K, Arivazhagan A, Santosh V, Shastry A, Naz S, Thota B, Thennarasu K, Arivazhagan A, Somanna S, Santosh V, Kondaiah P, Venneti S, Garimella M, Sullivan L, Martinez D, Huse J, Heguy A, Santi M, Thompson C, Judkins A, Voronovich Z, Chen L, Clark K, Walsh M, Mannas J, Horbinski C, Wiestler B, Capper D, Holland-Letz T, Korshunov A, von Deimling A, Pfister SM, Platten M, Weller M, Wick W, Zieman G, Dardis C, Ashby L, Eschbacher J. PATHOLOGY. Neuro Oncol 2013. [DOI: 10.1093/neuonc/not184] [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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Akiyama H, Hasegawa Y, Koga M, Yamagami H, Okuda S, Okada Y, Kimura K, Shiokawa Y, Nakagawara J, Furui E, Kario K, Toyoda K. Correlation between anti-thrombotic drugs and hematoma expansion in acute intracerebral hemorrhage under strict blood pressure-lowering management: SAMURAI-ICH study. J Neurol Sci 2013. [DOI: 10.1016/j.jns.2013.07.975] [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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Kamiya K, Doi K, Meshii K, Okada Y, Soga Y. Direct ascending aortic versus peripheral arterial cannulation for type A acute aortic dissection. J Cardiothorac Surg 2013. [PMCID: PMC3845703 DOI: 10.1186/1749-8090-8-s1-o22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Okada Y, Watanabe M, Nakai T, Kamikawa Y, Shimizu M, Fukuhara Y, Yonekura M, Matsuura E, Hoshika Y, Nagai R, Aird WC, Doi T. RUNX1, but not its familial platelet disorder mutants, synergistically activates PF4 gene expression in combination with ETS family proteins. J Thromb Haemost 2013; 11:1742-50. [PMID: 23848403 DOI: 10.1111/jth.12355] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Indexed: 11/28/2022]
Abstract
BACKGROUND Familial platelet disorder (FPD) is a rare autosomal dominant disease characterized by thrombocytopenia and abnormal platelet function. Causal mutations have been identified in the gene encoding runt-related transcription factor 1 (RUNX1) of FPD patients. OBJECTIVES To elucidate the role of RUNX1 in the regulation of expression of platelet factor 4 (PF4) and to propose a plausible mechanism underlying RUNX1-mediated induction of the FPD phenotype. METHODS We assessed whether RUNX1 and its mutants, in combination with E26 transformation-specific-1 (ETS-1), Core-binding factor subunit beta (CBFβ), and Friend leukemia virus integration 1 (FLI-1), cooperatively regulate PF4 expression during megakaryocytic differentiation. In an embryonic stem cell differentiation system, expression levels of endogenous and exogenous RUNX1 and PF4 were determined by real-time RT-PCR. Promoter activation by the transcription factors were evaluated by reporter gene assays with HepG2 cells. DNA binding activity and protein interaction were analyzed by electrophoretic mobility shift assay and immunoprecipitation assay with Cos-7 cells, respectively. Protein localization was analyzed by immunocytochemistry and Western blotting with Cos-7 cells. RESULTS We demonstrated that RUNX1 activates endogenous PF4 expression in megakaryocytic differentiation. RUNX1, but not its mutants, in combination with ETS-1 and CBFβ, or FLI-1, synergistically activated the PF4 promoter. Each RUNX1 mutant harbors various functional abnormalities, including loss of DNA-binding activity, abnormal subcellular localization, and/or alterations of binding affinities for ETS-1, CBFβ, and FLI-1. CONCLUSIONS RUNX1, but not its mutants, strongly and synergistically activates PF4 expression along with ETS family proteins. Furthermore, loss of the RUNX1 transcriptional activation function is induced by various functional abnormalities.
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Ono Y, Abe K, Suzuki K, Iimura H, Sakai S, Uchiyama S, Okada Y. Usefulness of 4D-CTA in the detection of cerebral dural sinus occlusion or stenosis with collateral pathways. Neuroradiol J 2013; 26:428-38. [PMID: 24007731 DOI: 10.1177/197140091302600408] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Accepted: 07/05/2013] [Indexed: 11/15/2022] Open
Abstract
In time-resolved CT angiography (4D-CTA), it is of substantial merit to detect the veins and sinuses of the whole brain with the simultaneous demonstration of the natural drainage flow in order to find occlusion or stenosis of the dural sinuses with collateral pathways. As preoperative information for patients with brain tumors, it is important to detect feeding arteries, incidentally found aneurysms or other vascular lesions, and to detect patency of the dural sinuses and the important cortical veins, whether they are compressed by tumors or not. On the other hand, cerebral venous thrombosis (CVT) may occur in patients due to various causes, which has not been unusual in recent years. For patients with acute symptomatic or chronic non-symptomatic CVT, identification of dural sinus occlusion (DSO) or dural sinus stenosis (DSS) and compensatory collateral pathways is necessary for suitable thrombolytic therapy or careful investigation to avoid further CVT. This study reviews our experiences in 116 cases of 4D-CTA for 90 patients with brain tumors and 26 other patients including 11 with arteriovenous malformation, and four with acute CVT and other conditions. 4D-CTA presented DSO/DSS with compensatory venous collateral pathways, which was helpful to detect the severity of the venous abnormality, and see whether it was compressed by brain tumors, or due to other causes in patients with symptomatic or non-symptomatic CVT. 4D-CTA is a useful non-invasive diagnostic tool to detect cerebral venous abnormalities as an alternative to DSA.
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Fujita Y, Nakamura T, Aomori T, Nishiba H, Shinozaki T, Yanagawa T, Takagishi K, Watanabe H, Okada Y, Nakamura K, Horiuchi R, Yamamoto K. Pharmacokinetic Individualization of High-Dose Methotrexate Chemotherapy for the Treatment of localized Osteosarcoma. J Chemother 2013; 22:186-90. [DOI: 10.1179/joc.2010.22.3.186] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Fukuyo S, Yamaoka K, Sonomoto K, Oshita K, Okada Y, Saito K, Tanaka Y. FRI0055 Ectopic calcification is mediated by inflammatory cytokines enhancing differentiation of adipose-derived stem cells into osteoblasts. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Kondo M, Yamaoka K, Sonomoto K, Fukuyo S, Oshita K, Okada Y, Saito K, Tanaka Y. OP0307 Inhibitory Effects of IL-17 on Chondrogenic Differentiation of Human Mesenchymal Stem Cells Through the Phosphorylation of Sox9. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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109
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Yoshimine S, Kikuchi E, Kosaka T, Mikami S, Miyajima A, Okada Y, Oya M. Prognostic significance of Bcl-xL expression and efficacy of Bcl-xL targeting therapy in urothelial carcinoma. Br J Cancer 2013; 108:2312-20. [PMID: 23674090 PMCID: PMC3681018 DOI: 10.1038/bjc.2013.216] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Bcl-xL has an important role in the control of cell death through its inhibition of apoptosis. The aim of this study was to investigate the clinicopathological significance of Bcl-xL in upper urinary tract urothelial carcinoma (UTUC) and the therapeutic effect of targeting Bcl-xL protein in urothelial carcinoma (UC) cells. METHODS We evaluated the immunohistochemical expression of Bcl-xL in 175 UTUC patients to determine the clinical role of Bcl-xL expression in clinical outcome. We used bafilomycin A1 (BMA) as a specific inhibitor of Bcl-xL to examine the biological effects in UC cells in vitro and in vivo. RESULTS Immunohistochemical analysis of Bcl-xL expression revealed that patients with a high Bcl-xL score had a significantly lower 5-year cancer-specific survival (CSS) rate (53.2%) than those with a low Bcl-xL score (77.2%) (P=0.0011). Multivariate analysis indicated that a high Bcl-xL score was an independent prognostic factor of CSS (P=0.023). BMA inhibited UMUC-3 cell proliferation in vitro by induction of apoptosis. Treatment with BMA significantly inhibited tumour growth in UMUC-3 tumours in this mouse xenograft model accompanied by an elevated apoptosis induction. CONCLUSION Bcl-xL appears to be a significant molecular marker for the prognosis of UTUCs. Targeting Bcl-xL may be a promising therapeutic strategy for patients with UC.
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Kosaka T, Miyazaki Y, Miyajima A, Mikami S, Hayashi Y, Tanaka N, Nagata H, Kikuchi E, Nakagawa K, Okada Y, Sato Y, Oya M. The prognostic significance of vasohibin-1 expression in patients with prostate cancer. Br J Cancer 2013; 108:2123-9. [PMID: 23591203 PMCID: PMC3670477 DOI: 10.1038/bjc.2013.169] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Background: We recently isolated vasohibin-1 (VASH1), a novel angiogenic molecule that is specifically expressed in activated vascular endothelial cells (ECs), and the status of VASH1 expression has been documented in various cancer angiogenesis. The aim of this study was to assess the prognostic value of VASH1 expression in prostate cancer (PCa). Methods: In this study, we retrospectively analysed the clinical records and evaluated the VASH1 expression of tumour microvessels in 167 patients with PCa who underwent radical prostatectomy. We immunohistochemically examined the microvessels positive for anti-CD34 as microvessel density (MVD) and the microvessels with activated ECs positive for VASH1 density. Results: We found that the VASH1 expression was restricted to ECs in the tumour stroma. VASH1 density was significantly associated with pathological T stage, Gleason score and MVD. The 5-year PSA recurrence-free survival rate was 58.8% in patients with higher VASH1 density (≧12 per mm2) and 89.1% in patients with lower VASH1 density (<12 per mm2), respectively (P<0.001). Microvessel density was not an independent predictor of PSA recurrence. Multivariate analysis revealed that high VASH1 density was an independent prognostic indicator of PSA recurrence (P=0.007, HR=2.950). Conclusion: VASH1 density represents a clinically relevant predictor of patient prognosis and can be a new biomarker that would provide additional prognostic information in PCa.
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Watanabe T, Okada Y, Ishibashi N, Hoshikawa Y, Noda M, Kanehira M, Ohkouchi S, Kondo T. Mesenchymal Stem Cells Attenuates Ischemia Reperfusion Injury after Orthotopic Lung Transplantation in a Mouse Model. J Heart Lung Transplant 2013. [DOI: 10.1016/j.healun.2013.01.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Sakai K, Okada Y, Kitaoka S, Tsurumi J, Ohishi Y, Fujiwara A, Takimiya K, Takeya J. Anomalous pressure effect in heteroacene organic field-effect transistors. PHYSICAL REVIEW LETTERS 2013; 110:096603. [PMID: 23496736 DOI: 10.1103/physrevlett.110.096603] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Revised: 12/17/2012] [Indexed: 06/01/2023]
Abstract
Anomalous pressure dependent conductivity is revealed for heteroacene organic field-effect transistors of dinaphtho[2, 3-b:2', 3'-f]thieno[3, 2-b]thiophene single crystals in the direction of a and b crystallographic axes. In contrast to the normal characteristics of a monotonic increase in mobility μ with the application of external hydrostatic pressure P in conductors, we found that the present organic semiconductor devices exhibit nonmonotonic and gigantic pressure dependence including an even negative pressure coefficient dμ/dP. In combination with a structural analysis based on x-ray diffraction experiments under pressure, it is suggested that on-site molecular orientation and displacement peculiar in heteroacene molecules are responsible for the anomalous pressure effect.
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Shimane K, Kochi Y, Suzuki A, Okada Y, Ishii T, Horita T, Saito K, Okamoto A, Nishimoto N, Myouzen K, Kubo M, Hirakata M, Sumida T, Takasaki Y, Yamada R, Nakamura Y, Kamatani N, Yamamoto K. An association analysis of HLA-DRB1 with systemic lupus erythematosus and rheumatoid arthritis in a Japanese population: effects of *09:01 allele on disease phenotypes. Rheumatology (Oxford) 2013; 52:1172-82. [DOI: 10.1093/rheumatology/kes427] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Aarnink A, Garchon HJ, Okada Y, Takahashi A, Matsuda K, Kubo M, Nakamura Y, Blancher A. Comparative analysis in cynomolgus macaque identifies a novel human MHC locus controlling platelet blood counts independently of BAK1. J Thromb Haemost 2013; 11:384-6. [PMID: 23217248 DOI: 10.1111/jth.12092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Accepted: 11/11/2012] [Indexed: 11/28/2022]
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Mochizuki S, Shimoda M, Okada Y. Response. J Natl Cancer Inst 2012. [DOI: 10.1093/jnci/djs460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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116
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Yang Y, Yang H, Wang Z, Varadaraj K, Kumari SS, Mergler S, Okada Y, Saika S, Kingsley PJ, Marnett LJ, Reinach PS. Cannabinoid receptor 1 suppresses transient receptor potential vanilloid 1-induced inflammatory responses to corneal injury. Cell Signal 2012; 25:501-11. [PMID: 23142606 DOI: 10.1016/j.cellsig.2012.10.015] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Revised: 10/09/2012] [Accepted: 10/16/2012] [Indexed: 10/27/2022]
Abstract
Cannabinoid receptor type 1 (CB1)-induced suppression of transient receptor potential vanilloid type 1 (TRPV1) activation provides a therapeutic option to reduce inflammation and pain in different animal disease models through mechanisms involving dampening of TRPV1 activation and signaling events. As we found in both mouse corneal epithelium and human corneal epithelial cells (HCEC) that there is CB1 and TRPV1 expression colocalization based on overlap of coimmunostaining, we determined in mouse corneal wound healing models and in human corneal epithelial cells (HCEC) if they interact with one another to reduce TRPV1-induced inflammatory and scarring responses. Corneal epithelial debridement elicited in vivo a more rapid wound healing response in wildtype (WT) than in CB1(-/-) mice suggesting functional interaction between CB1 and TRPV1. CB1 activation by injury is tenable based on the identification in mouse corneas of 2-arachidonylglycerol (2-AG) with tandem LC-MS/MS, a selective endocannabinoid CB1 ligand. Suppression of corneal TRPV1 activation by CB1 is indicated since following alkali burning, CB1 activation with WIN55,212-2 (WIN) reduced immune cell stromal infiltration and scarring. Western blot analysis of coimmunoprecipitates identified protein-protein interaction between CB1 and TRPV1. Other immunocomplexes were also identified containing transforming growth factor kinase 1 (TAK1), TRPV1 and CB1. CB1 siRNA gene silencing prevented suppression by WIN of TRPV1-induced TAK1-JNK1 signaling. WIN reduced TRPV1-induced Ca(2+) transients in fura2-loaded HCEC whereas pertussis toxin (PTX) preincubation obviated suppression by WIN of such rises caused by capsaicin (CAP). Whole cell patch clamp analysis of HCEC showed that WIN blocked subsequent CAP-induced increases in nonselective outward currents. Taken together, CB1 activation by injury-induced release of endocannabinoids such as 2-AG downregulates TRPV1 mediated inflammation and corneal opacification. Such suppression occurs through protein-protein interaction between TRPV1 and CB1 leading to declines in TRPV1 phosphorylation status. CB1 activation of the GTP binding protein, G(i/o) contributes to CB1 mediated TRPV1 dephosphorylation leading to TRPV1 desensitization, declines in TRPV1-induced increases in currents and pro-inflammatory signaling events.
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Ping Y, Ogushi Y, Okada Y, Haruki Y, Okazaki I, Ogawa T. Lifestyle and colorectal cancer: A case-control study. Environ Health Prev Med 2012; 3:146-51. [PMID: 21432494 DOI: 10.1007/bf02931705] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/1997] [Accepted: 07/08/1998] [Indexed: 10/21/2022] Open
Abstract
A case-control study has been conducted to investigate the relationship between lifestyle and risk of colorectal cancer. Cases are one hundred patients diagnosed with colon and rectal cancer in Tokai University Hospital between 1986 and 1994. Three controls per case were individually matched by age, sex, local areas and date of health checkups at the Automated Multi-phasic Health Testing and Services (AMHTS ) Center of the hospital. The results were analyzed by multi-factorial logistic regression models. Positive history of maternal cancer, large consumption of alcohol, frequent consumption of potato products and white-collar job were predominant risk factors while frequent intake of seaweed was a protective factor. Frequent intakes of dairy foods and lack of exercise showed no significant tendency to increase risk of colorectal cancer. Smoking habits, intakes of meat and egg were shown not to be related to this disease. These findings suggest that family history of cancer and dietary factors play a key role in causation and prevention of colorectal cancer.
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Tabara Y, Igase M, Okada Y, Nagai T, Uetani E, Kido T, Ochi N, Takita R, Yamamoto M, Kohara K, Miki T. Association of Chr17q25 with cerebral white matter hyperintensities and cognitive impairment: the J-SHIPP study. Eur J Neurol 2012; 20:860-2. [DOI: 10.1111/j.1468-1331.2012.03879.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2012] [Accepted: 08/21/2012] [Indexed: 11/30/2022]
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Fujita Y, Araki T, Okada Y, Aomori T, Shimizu R, Tomizawa T, Hiromura K, Nojima Y, Nakamura T, Yamamoto K. Analysis of cytochrome P450 gene polymorphism in a lupus nephritis patient in whom tacrolimus blood concentration was markedly elevated after administration of azole antifungal agents. J Clin Pharm Ther 2012; 38:74-6. [PMID: 22971159 DOI: 10.1111/jcpt.12004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Both itraconazole (ITCZ) and voriconazole (VCZ) are potent inhibitors of cytochrome P450 (CYP) 3A, and their effects have been reported to be equal. However, ITCZ is metabolized by CYP3A, whereas VCZ is mainly metabolized by CYP2C9 and CYP2C19 and only partially by CYP3A. We experienced the case of a patient who showed a 5-fold increase in trough levels of tacrolimus (FK) level after switching from ITCZ to VCZ. Our objective is to discuss the mechanism of the increase drug-drug interaction in terms of serum concentration of the azole drugs and patient pharmacogenomics. CASE SUMMARY A 53-year-old woman was treated with FK (1 mg/day) for lupus nephritis. Because fungal infection was suspected, she received ITCZ (100 mg/day). When ITCZ was replaced with VCZ (400 mg/day), the blood concentration of FK increased markedly from 6·1 to 34·2 ng/mL. During coadministration with FK, the levels of ITCZ and VCZ were 135·5 ng/mL and 5·5 μg/mL, respectively, with the VCZ level around 3-fold higher than the previously reported level (1·4-1·8 μg/mL). Her CYP genotypes were CYP2C19*1/*2, CYP3A4*1/*1 and CYP3A5*3/*3. WHAT IS NEW AND CONCLUSION The patient was a CYP2C19 intermediate metabolizer (IM) and deficient in CYP3A5. The increase in plasma VCZ level appears to have been at least in part, associated with the CYP2C19 IM phenotype. One possible explanation for the marked increase in blood FK concentration was increased inhibition of CYP3A because of the impaired metabolism and subsequent increased plasma concentration of VCZ. This case shows that the severity of drug interactions may be influenced by metabolic gene polymorphism.
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Watanabe T, Okada Y, Hoshikawa Y, Eba S, Notsuda H, Watanabe Y, Ohishi H, Sato Y, Kondo T. A potent anti-angiogenic factor, vasohibin-1, ameliorates experimental bronchiolitis obliterans. Transplant Proc 2012; 44:1155-7. [PMID: 22564651 DOI: 10.1016/j.transproceed.2012.02.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Bronchiolitis obliterans (BO) is a major cause of morbidity and mortality after lung transplantation. BO is pathologically characterized by neovascularized fibro-obliteration of the allograft airway. A recent study has shown that aberrant angiogenesis during fibro-obliteration contributes to the pathogenesis of BO. Vasohibin-1 (VASH1) has been isolated as a vascular endothelial growth factor-inducible gene in endothelial cells (ECs) that inhibits migration and proliferation of ECs and exhibits anti-angiogenic activity in vivo. PURPOSE This study examines whether VASH1 inhibits fibro-obliteration of the allograft in a murine intrapulmonary tracheal transplantation model. METHOD Tracheal allografts of BALB/c mouse were transplanted into the left lung of recipient C57BL/6J mouse. We performed gene transfer to the recipient lungs using an adenovirus vector encoding human VASH1 (Ad-VASH1) or beta- garactosidase (Ad-LacZ) as the control. Tracheal allografts were harvested and pathological on days 21 and 28. RESULT Ad-VASH1 treatment reduced the vascular area on day 21 (4.6% versus 13.0%, P = .037) and day 28 (5.4% versus 13.4%, P = .022) compared with the control group. This was accompanied by significantly inhibited luminal obliteration of the tracheal allografts in the animals transferred with Ad-VASH1 compared with the control (69% versus 93%, P = .028) on day 21. We were not able to observe this effect on day 28 (92% versus 97%, P = .48). CONCLUSION Transgene expression of VASH1 in the recipient lung significantly attenuated luminal obliteration of the tracheal allograft; this was associated with significantly reduced aberrant angiogenesis in the fibro-obliterative tissue in a murine model intrapulmonary tracheal transplantation.
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Toyoda K, Sato S, Koga M, Yamamoto H, Nakagawara J, Furui E, Shiokawa Y, Hasegawa Y, Okuda S, Sakai N, Kimura K, Okada Y, Yoshimura S, Hoshino H, Uesaka Y, Nakashima T, Itoh Y, Ueda T, Nishi T, Gotoh J, Nagatsuka K, Arihiro S, Yamaguchi T, Minematsu K. Run-up to participation in ATACH II in Japan. JOURNAL OF VASCULAR AND INTERVENTIONAL NEUROLOGY 2012; 5:1-5. [PMID: 23230457 PMCID: PMC3517030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Intracerebral hemorrhage (ICH) is a major cause of morbidity and mortality in Japan. Seventeen Japanese institutions are participating in the Antihypertensive Treatment for Acute Cerebral Hemorrhage (ATACH) II Trial (ClinicalTrials.gov no. NCT01176565; UMIN 000006526). This phase III trial is designed to determine the therapeutic benefit of early intensive systolic blood pressure (BP) lowering for acute hypertension in ICH patients. This report explains the long run-up to reach the start of patient registration in ATACH II in Japan, including our preliminary study, a nationwide survey on antihypertensive treatment for acute ICH patients, a multicenter study for hyperacute BP lowering (the SAMURAI-ICH study), revision of the official Japanese label for intravenous nicardipine, and construction of the infrastructure for the trial.
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Saito T, Maruyama T, Muragaki Y, Tanaka M, Nitta M, Shinoda J, Aki T, Iseki H, Kurisu K, Okada Y. 11C-methionine uptake correlates with combined 1p and 19q loss of heterozygosity in oligodendroglial tumors. AJNR Am J Neuroradiol 2012; 34:85-91. [PMID: 22766670 DOI: 10.3174/ajnr.a3173] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND AND PURPOSE Oligodendroglial tumors with 1p/19q LOH are known to show longer patient survival than those without 1p/19q LOH, but the reason for this clinical difference has not been elucidated, to our knowledge. This study was designed to clarify whether uptake of MET correlates with 1p/19q LOH of oligodendroglial tumors. MATERIALS AND METHODS This study included 102 consecutive patients with supratentorial WHO grade II and III oligodendroglial tumors (39 oligoastrocytic and 63 oligodendroglial tumors) that were resected and diagnosed between January 2008 and August 2011 at Tokyo Women's Medical University Hospital. These patients underwent MET PET T/N ratio measurement before treatment. T/N ratios were calculated by dividing the maximum SUV for the tumor by the mean SUV of the contralateral normal frontal cortex. After surgery, FISH for resected tissues was used to determine 1p/19q LOH. RESULTS The mean T/N ratio of tumors with 1p/19q LOH was significantly greater than that of tumors without 1p/19q LOH (P = .0166). The threshold T/N ratio value of 2.46 was found to correlate significantly with 1p/19q LOH by univariate (P = .0011) and multivariate analyses (P = .0209) in all tumors. CONCLUSIONS The T/N ratio on MET PET might be a useful aid to the diagnosis of 1p/19q LOH. Our data add new information on the biology and imaging characteristics of oligodendroglial tumors with 1p/19q LOH.
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Maeda S, Okada Y, Kondo T. [Lung resection for lung cancer patients on hemodialysis]. KYOBU GEKA. THE JAPANESE JOURNAL OF THORACIC SURGERY 2012; 65:724-727. [PMID: 22868436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Patients on hemodialysis (HD) who undergo lung resection represent a high risk group requiring a careful perioperative management. To access a cardiac risk of HD patients a complete cardiac examination must be conducted preoperatively. The patients should undergo sufficient courses of HD to ameliorate electrolyte imbalance and volume disturbance before surgery. An elective operation should be scheduled on the day after HD. During operation, gentle operative maneuver and complete hemostatic technique are required to reduce a risk of postoperative bleeding. An adequate amount of antibiotics should be administrated to avoid a surgical site infection. Pulmonary edema due to volume overload and hyperkalemia are the most dangerous postoperative complications. Infusion should be conducted with potassium-free solution at 20~40 ml/h until the restart of HD. HD could be safely performed with nafamostat mesilate on the day after operation in most patients. If hyperkalemia and pulmonary edema are resistant to conservative managements, an emergency HD is required. Prognosis after lung resection for lung cancer patients on HD is not satisfactory. Many patients die of non cancer related causes such as heart failure and infection. Long term management of the underlying renal condition is necessary to improve their postoperative survival.
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Amano K, Kawamata T, Hori T, Okada Y. Transsphenoidal Surgery for GH-Producing Pituitary Adenomas: Technical Innovations and Outcome. Skull Base Surg 2012. [DOI: 10.1055/s-0032-1314054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Okada Y, Kanatani R, Arai S, Ito K. A CAPS Marker that Distinguishes the Barley Yellow Mosaic Disease Resistance Locus rym1 Derived from Chinese Landrace ‘Mokusekko 3’. JOURNAL OF THE INSTITUTE OF BREWING 2012. [DOI: 10.1002/j.2050-0416.2003.tb00136.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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