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Ishii A, Kondo T, Oka T, Nakamoto Y, Takaori-Kondo A. Granulocytic sarcoma of the pancreas on 18F-FDG PET/CT: A case report. Medicine (Baltimore) 2016; 95:e5570. [PMID: 27930567 PMCID: PMC5266039 DOI: 10.1097/md.0000000000005570] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
RATIONALE Granulocytic sarcoma (GS) is defined as leukemia infiltration in any organ other than the bone marrow. GS rarely occurs in the pancreas. Here, we present the first report of GS in the pancreas on F-fluorodexyglucose positron emission tomography/computed tomography (F-FDG PET/CT). PATIENT CONCERNS A 19-year-old male patient with acute myeloid leukemia received a human leukocyte antigen-haploidentical stem cell transplant as a second transplant while in second complete remission. INTERVENTIONS After a second stem cell transplant, obstructive pancreatitis accompanied by a mass in the pancreatic head was observed. FDG-PET/CT revealed abnormal activity in the head of the pancreas and the skin in the patient's left breast area. DIAGNOSES Pathological examination demonstrated relapsed acute myeloid leukemia in both the lesions. OUTCOMES This is the first report showing the F-FDG PET/CT findings of GS in the pancreas. LESSONS F-FDG PET/CT may help determine the stage of GS.
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Oka T, Sugaya M, Takahashi N, Takahashi T, Shibata S, Miyagaki T, Asano Y, Sato S. 243 CXCL17 Attenuates imiquimod-induced Psoriasis-like skin inflammation by recruiting myeloid-derived suppressor cells and regulatory T cells. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Sato Y, Sugaya M, Suga H, Oka T, Ishii T, Nishida H, Ishikawa S, Fukayama M, Sato S. 078 Altered granular layer structure and enhanced percutaneous immune responses in keratinocyte proline-rich protein- deficient mice, a new mouse model for atopic dermatitis. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Sohma A, Ohga K, Oka T, Oda Y, Itoh T, Morimoto T. Quantitative analysis of the effect of pulsatile flow on vascular resistance. Perfusion 2016. [DOI: 10.1177/026765918900400307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
'Pulsatile flow' has been reported to reduce vascular resistance. In this study, the effect of pulsatile flow was assessed quantitatively, using perfusion of canine hindlimb. The perfusion circuit consisted of roller-type pulsatile pump (Cobe Inc., Stockert pump) and bubble oxygenator (Shiley Inc., S-070/s). Each flow curve was quantified with the mean flow rate (F) and pulse power index (PPI). PPI is derived by Fourier transformation of the flow curve and represents the degree of 'pulsation'. Vascular resistance was determined during perfusion with varied flow rate and PPI. The regression formula between vascular resistance (VR) and two parameters was obtained as follows: VR(F,PPI) = 41600x(F-1.37) -0.95+913 - PPIx{(3.99x(F-1.33)-040_0.69} where VR is measured in mmHg. min-1.kg.ml-1; F represents ml.min-1.kg -1 (range from 2.8 to 17.1); and PPI is dimensionless (range from 2.8 to 215.7). Using this formula, vascular resistance at a fixed flow rate and wave form can be predicted. When the flow rate is 6.27 ml.min-1.kg-1 and the PPI is 1466, (measured values under perfusion with own beating heart) the vascular resistance perfused by own beating heart is obtained. The results indicate that the pulsation of own beating heart contributes to a reduction in vascular resistance to 80%. It is also shown that the value of PPI which is necessary to reduce the vascular resistance to 80% is more than 1300 under the normal flow rate range.
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Hirabayashi S, Kondo T, Oka T, Akamatsu Y, Hishizawa M, Shibata T, Kitano T, Takaori-Kondo A. Successful treatment of severe acute gastrointestinal graft-versus-host disease complicated by cytomegalovirus gastroenteritis with intra-arterial steroid infusion. Ann Hematol 2016; 95:1373-5. [PMID: 27138923 DOI: 10.1007/s00277-016-2686-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 04/27/2016] [Indexed: 11/30/2022]
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Obergrussberger A, Bru ggemann A, Goetze TA, Rapedius M, Haarmann C, Rinke I, Becker N, Oka T, Ohtsuki A, Stengel T, Vogel M, Steindl J, Mueller M, Stiehler J, George M, Fertig N. Automated Patch Clamp Meets High-Throughput Screening: 384 Cells Recorded in Parallel on a Planar Patch Clamp Module. ACTA ACUST UNITED AC 2015; 21:779-793. [DOI: 10.1177/2211068215623209] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Indexed: 11/15/2022]
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Orimo S, Takahashi M, Kitazono H, Sekiguchi T, Inaba A, Ikemura M, Oka T, Uchihara T, Wakabayashi K, Kakita A, Takahashi H, Yoshida M, Tohru S, Kobayashi T. The degree of cardiac MIBG uptake is correlated with that of cardiac sympathetic denervation in pathologically-verified Lewy body disease. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Nagao A, Oka T, Hanabusa H. Switching to low dose of plasma-derived factor VIII/vWF concentrates with Confact(®) -F as salvage immune tolerance induction in haemophilia A patients with inhibitors: five case reports from Japan. Haemophilia 2015; 21:e425-e427. [PMID: 25996457 DOI: 10.1111/hae.12728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2015] [Indexed: 06/04/2023]
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Sentef MA, Claassen M, Kemper AF, Moritz B, Oka T, Freericks JK, Devereaux TP. Theory of Floquet band formation and local pseudospin textures in pump-probe photoemission of graphene. Nat Commun 2015; 6:7047. [PMID: 25958840 DOI: 10.1038/ncomms8047] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 03/26/2015] [Indexed: 11/09/2022] Open
Abstract
Ultrafast materials science promises optical control of physical properties of solids. Continuous-wave circularly polarized laser driving was predicted to induce a light-matter coupled state with an energy gap and a quantum Hall effect, coined Floquet topological insulator. Whereas the envisioned Floquet topological insulator requires high-frequency pumping to obtain well-separated Floquet bands, a follow-up question regards the creation of Floquet-like states in graphene with realistic low-frequency laser pulses. Here we predict that short optical pulses attainable in experiments can lead to local spectral gaps and novel pseudospin textures in graphene. Pump-probe photoemission spectroscopy can track these states by measuring sizeable energy gaps and Floquet band formation on femtosecond time scales. Analysing band crossings and pseudospin textures near the Dirac points, we identify new states with optically induced nontrivial changes of sublattice mixing that leads to Berry curvature corrections of electrical transport and magnetization.
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Kikuyama M, Kunimata H, Oka T, Tachibana A. P250 Clinicopathological analysis of the p53 expression status in breast cancer. Breast 2015. [DOI: 10.1016/s0960-9776(15)70282-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Nakabayashi K, Hirata T, Oka T. Left atrium compression due to oesophageal dilation can induce acute heart failure. CASE REPORTS 2015; 2015:bcr-2014-209233. [DOI: 10.1136/bcr-2014-209233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Miyagaki T, Sugaya M, Oka T, Fujita H, Sato S. Serum chemokine levels differentially regulated by vorinostat in a Sézary syndrome patient. Br J Dermatol 2015; 173:620-2. [PMID: 25640919 DOI: 10.1111/bjd.13696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Domingos J, Augustine D, Leeson P, Noble J, Doan HL, Boubrit L, Cheikh-Khalifa R, Laveau F, Djebbar M, Pousset F, Isnard R, Hammoudi N, Lisi M, Cameli M, Di Tommaso C, Curci V, Reccia R, Maccherini M, Henein MY, Mondillo S, Leitman M, Vered Z, Rashid H, Yalcin MU, Gurses KM, Kocyigit D, Evranos B, Yorgun H, Sahiner L, Kaya B, Aytemir K, Ozer N, Bertella E, Petulla' M, Baggiano A, Mushtaq S, Russo E, Gripari P, Innocenti E, Andreini D, Tondo C, Pontone G, Necas J, Kovalova S, Hristova K, Shiue I, Bogdanva V, Teixido Tura G, Sanchez V, Rodriguez-Palomares J, Gutierrez L, Gonzalez-Alujas T, Garcia-Dorado D, Forteza A, Evangelista A, Timoteo AT, Aguiar Rosa S, Cruz Ferreira R, Campbell R, Carrick D, Mccombe C, Tzemos N, Berry C, Sonecki P, Noda M, Setoguchi M, Ikenouchi T, Nakamura T, Yamamoto Y, Murakami T, Katou Y, Usui M, Ichikawa K, Isobe M, Kwon B, Roh J, Kim H, Ihm S, Barron AJ, Francis D, Mayet J, Wensel R, Kosiuk J, Dinov B, Bollmann A, Hindricks G, Breithardt O, Rio P, Moura Branco L, Galrinho A, Cacela D, Pinto Teixeira P, Afonso Nogueira M, Pereira-Da-Silva T, Abreu J, Teresa Timoteo A, Cruz Ferreira R, Pavlyukova E, Tereshenkova E, Karpov R, Piatkowski R, Kochanowski J, Opolski G, Barbier P, Mirea O, Guglielmo M, Savioli G, Cefalu C, Pudil R, Horakova L, Rozloznik M, Balestra C, Rimbas R, Enescu O, Calin S, Vinereanu D, Karsenty C, Hascoet S, Hadeed K, Semet F, Dulac Y, Alacoque X, Leobon B, Acar P, Dharma S, Sukmawan R, Soesanto A, Vebiona K, Firdaus I, Danny S, Driessen MMP, Sieswerda G, Post M, Snijder R, Van Dijk A, Leiner T, Meijboom F, Chrysohoou C, Tsitsinakis G, Tsiachris D, Aggelis A, Herouvim E, Vogiatzis I, Pitsavos C, Koulouris G, Stefanadis C, Erdei T, Edwards J, Braim D, Yousef Z, Fraser A, Avenatti E, Magnino C, Omede' P, Presutti D, Moretti C, Iannaccone A, Ravera A, Gaita F, Milan A, Veglio F, Barbier P, Scali M, Simioniuc A, Guglielmo M, Savioli G, Cefalu C, Mirea O, Fusini L, Dini F, Okura H, Murata E, Kataoka T, Zaroui A, Ben Halima M, Mourali M, Mechmeche R, Rodriguez Palomares JF, Gutierrez L, Maldonado G, Garcia G, Otaegui I, Garcia Del Blanco B, Teixido G, Gonzalez Alujas M, Evangelista A, Garcia Dorado D, Godinho AR, Correia A, Rangel I, Rocha A, Rodrigues J, Araujo V, Almeida P, Macedo F, Maciel M, Rekik B, Mghaieth F, Aloui H, Boudiche S, Jomaa M, Ayari J, Tabebi N, Farhati A, Mourali S, Dekleva M, Markovic-Nikolic N, Zivkovic M, Stankovic A, Boljevic D, Korac N, Beleslin B, Arandjelovic A, Ostojic M, Galli E, Guirette Y, Auffret V, Daudin M, Fournet M, Mabo P, Donal E, Chin CWL, Luo E, Hwan J, White A, Newby D, Dweck M, Carstensen HG, Larsen LH, Hassager C, Kofoed KF, Jensen JS, Mogelvang R, Kowalczyk M, Debska M, Kolesnik A, Dangel J, Kawalec W, Migliore R, Adaniya M, Barranco M, Miramont G, Gonzalez S, Tamagusuku H, Davidsen ES, Kuiper KKJ, Matre K, Gerdts E, Igual Munoz B, Maceira Gonzalez A, Erdociain Perales M, Estornell Erill J, Valera Martinez F, Miro Palau V, Piquer Gil M, Sepulveda Sanchez P, Cervera Zamora A, Montero Argudo A, Placido R, Silva Marques J, Magalhaes A, Guimaraes T, Nobre E Menezes M, Goncalves S, Ramalho A, Robalo Martins S, Almeida A, Nunes Diogo A, Abid L, Ben Kahla S, Charfeddine S, Abid D, Kammoun S, Tounsi A, Abid L, Abid D, Charfeddine S, Hammami R, Triki F, Akrout M, Mallek S, Hentati M, Kammoun S, Sirbu CF, Berrebi A, Huber A, Folliguet T, Yang LT, Shih J, Liu Y, Li Y, Tsai L, Luo C, Tsai W, Babukov R, Bartosh F, Bazilev V, Muraru D, Cavalli G, Addetia K, Miglioranza M, Veronesi F, Mihaila S, Tadic M, Cucchini U, Badano L, Lang R, Miyazaki S, Slavich M, Miyazaki T, Figini F, Lativ A, Chieffo A, Montrfano M, Alfieri O, Colombo A, Agricola E, Liu D, Hu K, Herrmann S, Stoerk S, Kramer B, Ertl G, Bijnens B, Weidemann F, Brand M, Butz T, Tzikas S, Van Bracht M, Roeing J, Wennemann R, Christ M, Grett M, Trappe HJ, Scherzer S, Geroldinger A, Krenn L, Roth C, Gangl C, Maurer G, Rosenhek R, Neunteufl T, Binder T, Bergler-Klein J, Martins E, Pinho T, Leite S, Azevedo O, Belo A, Campelo M, Amorim S, Rocha-Goncalves F, Goncalves L, Silva-Cardoso J, Ahn H, Kim K, Jeon H, Youn H, Haland T, Saberniak J, Leren I, Edvardsen T, Haugaa K, Ziolkowska L, Boruc A, Kowalczyk M, Turska-Kmiec A, Zubrzycka M, Kawalec W, Monivas Palomero V, Mingo Santos S, Goirigolzarri Artaza J, Rodriguez Gonzalez E, Rivero Arribas B, Castro Urda V, Dominguez Rodriguez F, Mitroi C, Gracia Lunar I, Fernadez Lozano I, Palecek T, Masek M, Kuchynka P, Fikrle M, Spicka I, Rysava R, Linhart A, Saberniak J, Hasselberg N, Leren I, Haland T, Borgquist R, Platonov P, Edvardsen T, Haugaa K, Ancona R, Comenale Pinto S, Caso P, Coopola M, Arenga F, Rapisarda O, D'onofrio A, Sellitto V, Calabro R, Rosca M, Popescu B, Calin A, Mateescu A, Beladan C, Jalba M, Rusu E, Zilisteanu D, Ginghina C, Pressman G, Cepeda-Valery B, Romero-Corral A, Moldovan R, Saenz A, Orban M, Samuel S, Fijalkowski M, Fijalkowska M, Gilis-Siek N, Blaut K, Galaska R, Sworczak K, Gruchala M, Fijalkowski M, Nowak R, Gilis-Siek N, Fijalkowska M, Galaska R, Gruchala M, Ikonomidis I, Triantafyllidi H, Trivilou P, Tzortzis S, Papadopoulos C, Pavlidis G, Paraskevaidis I, Lekakis J, Kaymaz C, Aktemur T, Poci N, Ozturk S, Akbal O, Yilmaz F, Tokgoz Demircan H, Kirca N, Tanboga I, Ozdemir N, Greiner S, Jud A, Aurich M, Hess A, Hilbel T, Hardt S, Katus H, D'ascenzi F, Cameli M, Alvino F, Lisi M, Focardi M, Solari M, Bonifazi M, Mondillo S, Konopka M, Krol W, Klusiewicz A, Burkhard K, Chwalbinska J, Pokrywka A, Dluzniewski M, Braksator W, King GJ, Coen K, Gannon S, Fahy N, Kindler H, Clarke J, Iliuta L, Rac-Albu M, Placido R, Robalo Martins S, Guimaraes T, Nobre E Menezes M, Cortez-Dias N, Francisco A, Silva G, Goncalves S, Almeida A, Nunes Diogo A, Kyu K, Kong W, Songco G, Galupo M, Castro M, Shin Hnin W, Ronald Lee C, Poh K, Milazzo V, Di Stefano C, Tosello F, Leone D, Ravera A, Sabia L, Sobrero G, Maule S, Veglio F, Milan A, Jamiel AM, Ahmed AM, Farah I, Al-Mallah MH, Petroni R, Magnano R, Bencivenga S, Di Mauro M, Petroni S, Altorio S, Romano S, Penco M, Kumor M, Lipczynska M, Klisiewicz A, Wojcik A, Konka M, Kozuch K, Szymanski P, Hoffman P, Rimbas R, Rimbas M, Enescu O, Mihaila S, Calin S, Vinereanu D, Donal E, Reynaud A, Lund L, Persson H, Hage C, Oger E, Linde C, Daubert J, Maria Oliveira Lima M, Costa H, Gomes Da Silva M, Noman Alencar M, Carmo Pereira Nunes M, Costa Rocha M, Abid L, Charfeddine S, Ben Kahla S, Abid D, Siala A, Hentati M, Kammoun S, Kovalova S, Necas J, Ozawa K, Funabashi N, Takaoka H, Kobayashi Y, Matsumura Y, Wada M, Hirakawa D, Yasuoka Y, Morimoto N, Takeuchi H, Kitaoka H, Sugiura T, Lakkas L, Naka K, Ntounousi E, Gkirdis I, Koutlas V, Bechlioulis A, Pappas K, Katsouras C, Siamopoulos K, Michalis L, Naka K, Evangelou D, Kalaitzidis R, Bechlioulis A, Lakkas L, Gkirdis I, Tzeltzes G, Nakas G, Katsouras C, Michalis L, Generati G, Bandera F, Pellegrino M, Labate V, Alfonzetti E, Guazzi M, Zagatina A, Zhuravskaya N, Al-Mallah M, Alsaileek A, Qureshi W, Karsenty C, Hascoet S, Peyre M, Hadeed K, Alacoque X, Amadieu R, Leobon B, Dulac Y, Acar P, Yamanaka Y, Sotomi Y, Iwakura K, Inoue K, Toyoshima Y, Tanaka K, Oka T, Tanaka N, Orihara Y, Fujii K, Soulat-Dufour L, Lang S, Boyer-Chatenet L, Van Der Vynckt C, Ederhy S, Adavane S, Haddour N, Boccara F, Cohen A, Huitema M, Boerman S, Vorselaars V, Grutters J, Post M, Gopal AS, Saha S, Toole R, Kiotsekoglou A, Cao J, Reichek N, Meyer CG, Altiok E, Al Ateah G, Lehrke M, Becker M, Lotfi S, Autschbach R, Marx N, Hoffmann R, Frick M, Nemes A, Sepp R, Kalapos A, Domsik P, Forster T, Caro Codon J, Blazquez Bermejo Z, Lopez Fernandez T, Valbuena Lopez SC, Iniesta Manjavacas AM, De Torres Alba F, Dominguez Melcon F, Pena Conde L, Moreno Yanguela M, Lopez-Sendon JL, Nemes A, Lengyel C, Domsik P, Kalapos A, Orosz A, Varkonyi T, Forster T, Rendon J, Saldarriaga CI, Duarte N, Nemes A, Domsik P, Kalapos A, Forster T, Nemes A, Domsik P, Kalapos A, Sepp R, Foldeak D, Borbenyi Z, Forster T, Hamdy A, Fereig H, Nabih M, Abdel-Aziz A, Ali A, Broyd C, Wielandts JY, De Buck S, Michielsen K, Louw R, Garweg C, Nuyts J, Ector J, Maes F, Heidbuchel H, Gillis K, Bala G, Tierens S, Cosyns B, Maurovich-Horvat P, Horvath T, Jermendy A, Celeng C, Panajotu A, Bartykowszki A, Karolyi M, Tarnoki A, Jermendy G, Merkely B. Poster session 2: Thursday 4 December 2014, 08:30-12:30 * Location: Poster area. Eur Heart J Cardiovasc Imaging 2014. [DOI: 10.1093/ehjci/jeu252] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Ishida J, Onishi M, Kurozumi K, Ichikawa T, Fujii K, Shimazu Y, Oka T, Otani Y, Shimizu T, Date I. AI-14 * THE ANTI ANGIOGENIC AND INVASIVE EFFECTS OF AN INTEGRIN INHIBITOR AGAINST BEVACIZUMAB-INDUCED INVASIVE GLIOMA. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou238.14] [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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Chenhall R, Oka T. OR04-2 * DANSHU-DOJO: A QUALITATIVE EXAMINATION OF A JAPANESE THERAPEUTIC COMMUNITY FOR ALCOHOLICS. Alcohol Alcohol 2014. [DOI: 10.1093/alcalc/agu053.17] [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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Yoshimura N, Mitsuoka S, Yoshimoto N, Nakai T, Oka T, Matsuura K, Kimura T, Kudoh S, Kawaguchi T, Hirata K. Gefitinib and Pemetrexed As a First Line Treatment in Patients with Egfr Mutant Advanced Nsclc: a Phase Ii Study. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu349.62] [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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Ichikawa T, Onishi M, Kurozumi K, Maruo T, Inoue S, Michiue H, Yoshida K, Fuji K, Ishida J, Shimazu Y, Oka T, Chiocca EA, Date I. ANNEXIN A2 REGULATES ANGIOGENESIS AND INVASION PHENOTYPES OF MALIGNANT GLIOMA. Neuro Oncol 2014. [DOI: 10.1093/neuonc/nou206.35] [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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Lkhagvasuren B, Oka T, Nakamura Y, Hayashi H, Sudo N, Nakamura K. Distribution of Fos-immunoreactive cells in rat forebrain and midbrain following social defeat stress and diazepam treatment. Neuroscience 2014; 272:34-57. [PMID: 24797330 DOI: 10.1016/j.neuroscience.2014.04.047] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 04/02/2014] [Accepted: 04/21/2014] [Indexed: 02/04/2023]
Abstract
The anxiolytic diazepam selectively inhibits psychological stress-induced autonomic and behavioral responses without causing noticeable suppression of other central performances. This pharmacological property of diazepam led us to the idea that neurons that exhibit diazepam-sensitive, psychological stress-induced activation are potentially those recruited for stress responses. To obtain neuroanatomical clues for the central stress circuitries, we examined the effects of diazepam on psychological stress-induced neuronal activation in broad brain regions. Rats were exposed to a social defeat stress, which caused an abrupt increase in body temperature by up to 2°C. Pretreatment with diazepam (4mg/kg, i.p.) attenuated the stress-induced hyperthermia, confirming an inhibitory physiological effect of diazepam on the autonomic stress response. Subsequently, the distribution of cells expressing Fos, a marker of neuronal activation, was examined in 113 forebrain and midbrain regions of these rats after the stress exposure and diazepam treatment. The stress following vehicle treatment markedly increased Fos-immunoreactive (IR) cells in most regions of the cerebral cortex, limbic system, thalamus, hypothalamus and midbrain, which included parts of the autonomic, neuroendocrine, emotional and arousal systems. The diazepam treatment significantly reduced the stress-induced Fos expression in many brain regions including the prefrontal, sensory and motor cortices, septum, medial amygdaloid nucleus, medial and lateral preoptic areas, parvicellular paraventricular hypothalamic nucleus, dorsomedial hypothalamus, perifornical nucleus, tuberomammillary nucleus, association, midline and intralaminar thalami, and median and dorsal raphe nuclei. In contrast, diazepam increased Fos-IR cells in the central amygdaloid nucleus, medial habenular nucleus, ventromedial hypothalamic nucleus and magnocellular lateral hypothalamus. These results provide important information for elucidating the neural circuitries that mediate the autonomic and behavioral responses to psychosocial stressors.
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Zhang YJ, Oka T, Suzuki R, Ye JT, Iwasa Y. Electrically Switchable Chiral Light-Emitting Transistor. Science 2014; 344:725-8. [DOI: 10.1126/science.1251329] [Citation(s) in RCA: 589] [Impact Index Per Article: 58.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Takada K, Yoshimura H, Yoshikawa H, Muranishi S, Yasumura T, Oka T. Enhanced selective lymphatic delivery of cyclosporin a by solubilizers and intensified immunosuppressive activity against mice skin allograft. Pharm Res 2013; 3:48-51. [PMID: 24271357 DOI: 10.1023/a:1016324932378] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The absorption and lymphatic delivery of a new immunosuppressive drug, cyclosporin A (CsA), were studied in rats by administering CsA orally after solubilization with HCO-60 (polyoxyethylated hydrogenated castor oil), sugar ester, and oils. After the administration of solubilized CsA (7 mg/kg) to rats with thoracic lymph duct cannulas, both plasma and lymph CsA levels were measured over 6 hr. The lymph CsA levels were strongly affected by the solubilizers. The rank order of the solubilizers in enhancing lymph absorption was HCO-60 (57 µg/ml) > sugar ester (46 µg/ml) > sesame oil (3.5 µg/ml) > linoleic acid (0.4 µg/ml), where the parentheses show the maximum lymph CsA levels. Plasma CsA levels were below 2 µg/ml in each group of animals and were barely altered by the solubilizers. These results support the selective lymphatic delivery of CsA with solubilizers such as HCO-60 and sugar ester. The immunosuppressive activity of CsA (1 mg/kg) solubilized with HCO-60 was nearly equivalent to the sesame oil solution with 7 to 15 mg/kg CsA in the skin-allograft mice model.
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Adachi K, Sasaki H, Nagahisa S, Yoshida K, Hattori N, Nishiyama Y, Kawase T, Hasegawa M, Abe M, Hirose Y, Alentorn A, Marie Y, Poggioli S, Alshehhi H, Boisselier B, Carpentier C, Mokhtari K, Capelle L, Figarella-Branger D, Hoang-Xuan K, Sanson M, Delattre JY, Idbaih A, Yust-Katz S, Anderson M, Olar A, Eterovic A, Ezzeddine N, Chen K, Zhao H, Fuller G, Aldape K, de Groot J, Andor N, Harness J, Lopez SG, Fung TL, Mewes HW, Petritsch C, Arivazhagan A, Somasundaram K, Thennarasu K, Pandey P, Anandh B, Santosh V, Chandramouli B, Hegde A, Kondaiah P, Rao M, Bell R, Kang R, Hong C, Song J, Costello J, Bell R, Nagarajan R, Zhang B, Diaz A, Wang T, Song J, Costello J, Bie L, Li Y, Li Y, Liu H, Luyo WFC, Carnero MH, Iruegas MEP, Morell AR, Figueiras MC, Lopez RL, Valverde CF, Chan AKY, Pang JCS, Chung NYF, Li KKW, Poon WS, Chan DTM, Wang Y, Ng HAK, Chaumeil M, Larson P, Yoshihara H, Vigneron D, Nelson S, Pieper R, Phillips J, Ronen S, Clark V, Omay ZE, Serin A, Gunel J, Omay B, Grady C, 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Hielscher T, Claus R, Sahm F, Wiestler B, Klein AC, Blaes J, Tews B, Weiler M, Weichenhan D, Hartmann C, Weller M, Plass C, Wick W, Yeung TPC, Al-Khazraji B, Morrison L, Hoffman L, Jackson D, Lee TY, Yartsev S, Bauman G, Zheng S, Fu J, Vegesna R, Mao Y, Heathcock LE, Torres-Garcia W, Ezhilarasan R, Wang S, McKenna A, Chin L, Brennan CW, Yung WKA, Weinstein JN, Aldape KD, Sulman EP, Chen K, Koul D, Verhaak RGW. 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Abuhusain H, Matin A, Qiao Q, Shen H, Daniels B, Laaksonen M, Teo C, Don A, McDonald K, Jahangiri A, De Lay M, Lu K, Park C, Carbonell S, Bergers G, Aghi MK, Anand M, Tucker-Burden C, Kong J, Brat DJ, Bae E, Smith L, Muller-Greven G, Yamada R, Nakano-Okuno M, Feng X, Hambardzumyan D, Nakano I, Gladson CL, Berens M, Jung S, Kim S, Kiefer J, Eschbacher J, Dhruv H, Vuori K, Hauser C, Oshima R, Finlay D, Aza-Blanc P, Bessarabova M, Nikolsky Y, Emig D, Bergers G, Lu K, Rivera L, Chang J, Burrell K, Singh S, Hill R, Zadeh G, Li C, Chen Y, Mei X, Sai K, Chen Z, Wang J, Wu M, Marsden P, Das S, Eskilsson E, Talasila KM, Rosland GV, Leiss L, Saed HS, Brekka N, Sakariassen PO, Lund-Johansen M, Enger PO, Bjerkvig R, Miletic H, Gawrisch V, Ruttgers M, Weigell P, Kerkhoff E, Riemenschneider M, Bogdahn U, Vollmann-Zwerenz A, Hau P, Ichikawa T, Onishi M, Kurozumi K, Maruo T, Fujii K, Ishida J, Shimazu Y, Oka T, Chiocca EA, Date I, Jain R, Griffith B, Khalil K, Scarpace L, Mikkelsen T, Kalkanis S, Schultz L, Jalali S, Chung C, Burrell K, Foltz W, Zadeh G, Jiang C, Wang H, Kijima N, Hosen N, Kagawa N, Hashimoto N, Chiba Y, Kinoshita M, Sugiyama H, Yoshimine T, Klank R, Decker S, Forster C, Price M, SantaCruz K, McCarthy J, Ohlfest J, Odde D, Kurozumi K, Onishi M, Ichikawa T, Fujii K, Ishida J, Shimazu Y, Chiocca EA, Kaur B, Date I, Huang Y, Lin Q, Mao H, Wang Y, Kogiso M, Baxter P, Man C, Wang Z, Zhou Y, Li XN, Liang J, Piao Y, de Groot J, Lu K, Rivera L, Chang J, Bergers G, McDonell S, Liang J, Piao Y, Henry V, Holmes L, de Groot J, Michaelsen SR, Stockhausen MT, Hans, Poulsen S, Rosland GV, Talasila KM, Eskilsson E, Jahedi R, Azuaje F, Stieber D, Foerster S, Varughese J, Ritter C, Niclou SP, Bjerkvig R, Miletic H, Talasila KM, Soentgerath A, Euskirchen P, Rosland GV, Wang J, Huszthy PC, Prestegarden L, Skaftnesmo KO, Sakariassen PO, Eskilsson E, Stieber D, Keunen O, Nigro J, Vintermyr OK, Lund-Johansen M, Niclou SP, Mork S, Enger PO, Bjerkvig R, Miletic H, Mohan-Sobhana N, Hu B, De Jesus J, Hollingsworth B, Viapiano M, Muller-Greven G, Carlin C, Gladson C, Nakada M, Furuta T, Sabit H, Chikano Y, Hayashi Y, Sato H, Minamoto T, Hamada JI, Fack F, Espedal H, Obad N, Keunen O, Gotlieb E, Sakariassen PO, Miletic H, Niclou SP, Bjerkvig R, Bougnaud S, Golebiewska A, Stieber D, Oudin A, Brons NHC, Bjerkvig R, Niclou SP, O'Halloran P, Viel T, Schwegmann K, Wachsmuth L, Wagner S, Kopka K, Dicker P, Faber C, Jarzabek M, Hermann S, Schafers M, O'Brien D, Prehn J, Jacobs A, Byrne A, Oka T, Ichikawa T, Kurozumi K, Inoue S, Fujii K, Ishida J, Shimazu Y, Chiocca EA, Date I, Olsen LS, Stockhausen M, Poulsen HS, Plate KH, Scholz A, Henschler R, Baumgarten P, Harter P, Mittelbronn M, Dumont D, Reiss Y, Rahimpour S, Yang C, Frerich J, Zhuang Z, Renner D, Jin F, Parney I, Johnson A, Rockne R, Hawkins-Daarud A, Jacobs J, Bridge C, Mrugala M, Rockhill J, Swanson K, Schneider H, Szabo E, Seystahl K, Weller M, Takahashi Y, Ichikawa T, Maruo T, Kurozumi K, Onishi M, Ouchida M, Fuji K, Shimazu Y, Oka T, Chiocca EA, Date I, Umakoshi M, Ichikawa T, Kurozumi K, Onishi M, Fujii K, Ishida J, Shimazu Y, Oka T, Chiocca EA, Kaur B, Date I, Sim H, Gruenbacher P, Jakeman L, Viapiano M, Wang H, Jiang C, Wang H, Jiang C, Parker J, Dionne K, Canoll P, DeMasters B, Waziri A. ANGIOGENESIS AND INVASION. Neuro Oncol 2013. [DOI: 10.1093/neuonc/not172] [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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Aaberg-Jessen C, Fogh L, Halle B, Jensen V, Brunner N, Kristensen BW, Abe T, Momii Y, Watanabe J, Morisaki I, Natsume A, Wakabayashi T, Fujiki M, Aldaz B, Fabius AWM, Silber J, Harinath G, Chan TA, Huse JT, Anai S, Hide T, Nakamura H, Makino K, Yano S, Kuratsu JI, Balyasnikova IV, Prasol MS, Kanoija DK, Aboody KS, Lesniak MS, Barone T, Burkhart C, Purmal A, Gudkov A, Gurova K, Plunkett R, Barton K, Misuraca K, Cordero F, Dobrikova E, Min H, Gromeier M, Kirsch D, Becher O, Pont LB, Kloezeman J, van den Bent M, Kanaar R, Kremer A, Swagemakers S, French P, Dirven C, Lamfers M, Leenstra S, Pont LB, Balvers R, Kloezeman J, Kleijn A, Lawler S, Leenstra S, Dirven C, Lamfers M, Gong X, Andres A, Hanson J, Delashaw J, Bota D, Chen CC, Yao NW, Chuang WJ, Chang C, Chen PY, Huang CY, Wei KC, Cheng Y, Dai Q, Morshed R, Han Y, Auffinger B, Wainwright D, Zhang L, Tobias A, Rincon E, Thaci B, Ahmed A, He C, Lesniak M, Choi YA, Pandya H, Gibo DM, Fokt I, Priebe W, Debinski W, Chornenkyy Y, Agnihotri S, 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Regina A, Tripathy S, Curry JC, Nguyen T, Castaigne JP, Le Moan N, Serwer L, Yoshida Y, Ng S, Davis T, Santos R, Davis A, Tanaka K, Keating T, Getz J, Kapp GT, Romero JM, Ozawa T, James CD, Krtolica A, Cary SPL, Lee S, Ramisetti S, Slagle-Webb B, Sharma A, Connor J, Lee WS, Maire C, Kluk M, Aster JC, Ligon K, Sun S, Lee D, Ho ASW, Pu JKS, Zhang ZQ, Lee NP, Day PJR, Leung GKK, Liu Z, Liu X, Madhankumar AB, Miller P, Webb B, Connor JR, Yang QX, Lobo M, Green S, Schabel M, Gillespie Y, Woltjer R, Pike M, Lu YJ, Torre JDL, Waldman T, Prados M, Ozawa T, James D, Luchman HA, Stechishin O, Nguyen S, Cairncross JG, Weiss S, Lun X, Wells JC, Hao X, Zhang J, Grinshtein N, Kaplan D, Luchman A, Weiss S, Cairncross JG, Senger D, Robbins S, Madhankumar A, Slagle-Webb B, Rizk E, Payne R, Park A, Pang M, Harbaugh K, Connor J, Wilisch-Neumann A, Pachow D, Kirches E, Mawrin C, McDonell S, Liang J, Piao Y, Nguyen N, Yung A, Verhaak R, Sulman E, Stephan C, Lang F, de Groot J, Mizobuchi Y, Okazaki T, Kageji T, Kuwayama K, Kitazato KT, Mure H, Hara K, Morigaki R, Matsuzaki K, Nakajima K, Nagahiro S, Kumala S, Heravi M, Devic S, Muanza T, Nelson SK, Knubel KH, Pernu BM, Pierce AM, Keating AK, Neuwelt A, Nguyen T, Wu YJ, Donson A, Vibhakar R, Venkatamaran S, Amani V, Neuwelt E, Rapkin L, Foreman N, Ibrahim F, New P, Cui K, Zhao H, Chow D, Stephen W, Nozue-Okada K, Nagane M, McDonald KL, Ogawa D, Chiocca E, Godlewski J, Ozawa T, Yoshida Y, Santos R, James D, Pang M, Liu X, Madhankumar AB, Slagle-Webb B, Patel A, Miller P, Connor J, Pasupuleti N, Gorin F, Valenzuela A, Leon L, Carraway K, Ramachandran C, Nair S, Quirrin KW, Khatib Z, Escalon E, Melnick S, Phillips A, Boghaert E, Vaidya K, Ansell P, Shalinsky D, Zhang Y, Voorbach M, Mudd S, Holen K, Humerickhouse R, Reilly E, Huang T, Parab S, Diago O, Espinoza FL, Martin B, Ibanez C, Kasahara N, Gruber H, Pertschuk D, Jolly D, Robbins J, Ryken T, Agarwal S, Al-Keilani M, Alqudah M, Sibenaller Z, Assemolt M, Sai K, Li WY, Li WP, Chen ZP, Saito R, Sonoda Y, Kanamori M, Yamashita Y, Kumabe T, Tominaga T, Sarkar G, Curran G, Jenkins R, Scharnweber R, Kato Y, Lin J, Everson R, Soto H, Kruse C, Kasahara N, Liau L, Prins R, Semenkow S, Chu Q, Eberhart C, Sengupta R, Marassa J, Piwnica-Worms D, Rubin J, Serwer L, Kapp GT, Le Moan N, Yoshida Y, Romero JM, Ng S, Davis A, Ozawa T, Krtolica A, James CD, Cary SPL, Shai R, Pismenyuk T, Moshe I, Fisher T, Freedman S, Simon A, Amariglio N, Rechavi G, Toren A, Yalon M, Shen H, Decollogne S, Dilda P, Chung S, Luk P, Hogg P, McDonald K, Shimazu Y, Kurozumi K, Ichikawa T, Fujii K, Onishi M, Ishida J, Oka T, Watanabe M, Nasu Y, Kumon H, Date I, Sirianni RW, McCall RL, Spoor J, van der Kaaij M, Kloezeman J, Geurtjens M, Dirven C, Lamfers M, Leenstra S, Stephen Z, Veiseh O, Kievit F, Fang C, Leung M, Ellenbogen R, Silber J, Zhang M, Strohbehn G, Atsina KK, Patel T, Piepmeier J, Zhou J, Saltzman WM, Takahashi M, Valdes G, Inagaki A, Kamijima S, Hiraoka K, Micewicz E, McBride WH, Iwamoto KS, Gruber HE, Robbins JM, Jolly DJ, Kasahara N, Warren K, McCully C, Bacher J, Thomas T, Murphy R, Steffen-Smith E, McAllister R, Pastakia D, Widemann B, Wei K, Yang H, Huang C, Chen P, Hua M, Liu H, Woolf EC, Abdelwahab MG, Fenton KE, Liu Q, Turner G, Preul MC, Scheck AC, Yoshida Y, Ozawa T, Butowski N, Shen W, Brown D, Pedersen H, James D, Zhang J, Hariono S, Yao TW, Sidhu A, Hashizume R, James CD, Weiss WA, Nicolaides TP, Olusanya T. EXPERIMENTAL THERAPEUTICS AND PHARMACOLOGY. Neuro Oncol 2013; 15:iii37-iii61. [PMCID: PMC3823891 DOI: 10.1093/neuonc/not176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023] Open
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74
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Hara H, Oka T. An autopsy case of Perry syndrome with DCTN1 156 T>A mutation. J Neurol Sci 2013. [DOI: 10.1016/j.jns.2013.07.437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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75
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Ohtani M, Oka T, Ohura K. Possible involvement of A₂A and A₃ receptors in modulation of insulin secretion and β-cell survival in mouse pancreatic islets. Gen Comp Endocrinol 2013; 187:86-94. [PMID: 23453966 DOI: 10.1016/j.ygcen.2013.02.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Revised: 02/07/2013] [Accepted: 02/12/2013] [Indexed: 10/27/2022]
Abstract
Adenosine A1, A₂A, A₂B and A₃ receptor mRNAs were found to be expressed in mouse pancreatic islets and Beta-TC6 cells but their physiological or pharmacological actions are not fully clarified. We showed that adenosine (100 μM) augmented insulin secretion by islets in the presence of either normal (5.5 mM) or a high concentration of glucose (20 mM). The augmentation of insulin secretion in the presence of high glucose was blocked by an A₂A antagonist, but not by A₂B and A₃ antagonists, while an A₁ antagonist potentiated the adenosine effect. An adenosine analogue 5'-N-ethylcarboxamidoadenosine (NECA) as well as A₁, A₂A and A₃ receptor agonists also produced stimulation. On the other hand, an A₃ agonist markedly reduced Beta-TC6 cell proliferation and the islet cell viability, while adenosine and NECA did not. The effect of A₃ agonist was partially blocked by the A₃ antagonist. In addition, treatment with the A₃ agonist produced a small but significant extent of apoptosis in Beta-TC6 cells as judged by terminal transferase-mediated deoxyuridine triphosphate nick end labeling (TUNEL) assay. These results combined together suggested that like the A₁ receptor, activation of A₂A receptors by adenosine results in augmented insulin secretion, while the A₃ receptor is involved in modulation of the survival of pancreatic β-cells.
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Power A, Duncan N, Pusey C, Usvyat L, Marcelli D, Marelli C, Kotanko P, Li Z, Wang J, Yuan X, Wang J, Wang L, Ozkayar N, Altun B, Yildirim T, Yilmaz R, Dede F, Hayran M, Arici M, Aki T, Erdem Y, Vink EE, Siddiqi L, Verloop WL, van Schelven LJ, Liam Oey P, Blankestijn PJ, Vink EE, Verloop WL, Voslkuil M, Spiering W, Vonken EJ, Blankestijn PJ, Branco PQ, Gaspar AC, Sousa HS, Martins AR, Dores H, Goncalves P, Almeida M, Mendes M, Barata JD, Shi X, Xia P, Wen Y, Jiang L, Li H, Li X, Li X, Chen L, Quiroz YJ, Franco M, Tapia E, Bautista R, Pacheco U, Santamaria J, Johnson RJ, Rodriguez-Iturbe B, Suttorp MM, Hoekstra T, Dekker FW, Lin L, Zhang W, Yang J, He Y, Maciorkowska D, Zbroch E, Koc-Zorawska E, Malyszko JS, Mysliwiec MC, Malyszko J, Sala N, Navarro Diaz M, Serra A, Lopez D, Bonet J, Romero R, Qiu L, Li Y, Chen L, Zhu G, Schiller A, Bob F, Enache A, Jurca-Simina F, Mociar D, Bozdog G, Munteanu M, Petrica L, Velciov S, Bansal V, Timar R, Branco PQ, Gaspar AC, Sousa HS, Martins AR, Goncalves PA, Dores H, Mendes A, Mendes M, Barata JD, Calderon C, Lavilla FJ, Mora JM, Lopez D, Garcia-Fernandez N, Martin PL, Errasti P, David C, Ciocalteu A, Niculae A, Checherita AI, Otowa T, Yasuda T, Uehara K, Kawarazaki H, Shibagaki Y, Kimura K, Hasegawa H, Kanozawa K, Asakura J, Takayanagi K, Tayama Y, Okazaki S, Hara H, Kiba T, Mitani T, Iwanaga M, Ogawa T, Matsuda A, Mitarai T, Yilmaz Z, Yildirim T, Yilmaz R, Aybal-Kutlugun A, Altun B, Kucukozkan T, Erdem Y, Abbss SR, Zhu F, Flores-Gama C, Williams C, Podesta MA, Cartagena C, Carter M, Levin NW, Kotanko P, Gerasimovska Kitanovska B, Bogdanovska S, Severova Andreevska G, Gerasimovska V, Sikole A, Zafirovska K, Boubaker K, Kheder A, Kaaroud H, Lee SM, Park HE, Kim M, Heo NJ, Choi SY, Joo KW, Han JS, Shah S, Pandya B, Schiller A, Munteanu M, Enache A, Bob F, Jurca-Simina F, Mociar D, Timar R, Karanovic S, Fistrek Prlic M, Kos J, Premuzic V, Abramovic Baric M, Matijevic V, Fucek M, Vrdoljak A, Cvitkovic A, Leko N, Bitunjac M, Laganovic M, Jelakovic B, Antlanger M, Kovarik JJ, Domenig O, Kaltenecker C, Hecking M, Haidinger M, Werzowa J, Kopecky C, Heinzl H, Poglitsch M, Saemann MD, Bartmanska M, Wyskida K, Baba M, Tarski M, Adamczak M, Wiecek A, Szotowska M, Fistrek Prlic M, Karanovic S, Pecin I, Laganovic M, Vedran P, Vrdoljak A, Fucek M, Cvitkovic A, Bitunjac M, Abramovic Baric M, Matijevic V, Jelakovic B, Margulis F, Golglid V, Castro C, Ramallo S, Martinez M, Schiavelli R, Demikhova N, Prikhodko O, Vazquez Jimenez LC, Bancu IE, Troya Saborido MI, Bonet Sol J, Tasdemir M, Canpolat N, Caliskan S, Pehlivan G, Sever L, Sasaki K, Kimura T, Sakai S, Iwahashi E, Fujimoto T, Minami S, Oka T, Yokoyama K. Hypertension - human studies. Nephrol Dial Transplant 2013. [DOI: 10.1093/ndt/gft106] [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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77
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Nakamura K, Nakamachi T, Endo K, Ito K, Machida T, Oka T, Hori M, Ishizaka K, Shioda S. Distribution of pituitary adenylate cyclase-activating polypeptide (PACAP) in the human testis and in testicular germ cell tumors. Andrologia 2013; 46:465-71. [PMID: 23621806 DOI: 10.1111/and.12102] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2013] [Indexed: 11/28/2022] Open
Abstract
Pituitary adenylate cyclase-activating peptide (PACAP) is a neuropeptide expressed in the central nervous system and peripheral organs. Previous studies revealed the role and distribution of PACAP in the rodent testis, however, its presence in the human testis and in testicular germ cell tumors is not known. We used RT-PCR and immunohistological observations to investigate whether human testicular tissue and testicular germ cell tumors contain PACAP. The mRNAs for PACAP and its receptors were detected in total RNA extracted from human testes. PACAP immunoreactivity was observed in spermatogonia and spermatids from normal testes. In contrast, diffuse PACAP immunopositivity was observed in seminoma tumor cells, while only faint immunoreactivity was observed in embryonal carcinoma cells. Our data suggest that PACAP may play a role in human spermatogenesis and in testicular germ cell tumor development.
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78
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Tateishi U, Oka T, Inoue T. Radiolabeled RGD peptides as integrin alpha(v)beta3-targeted PET tracers. Curr Med Chem 2012; 19:3301-9. [PMID: 22664242 DOI: 10.2174/092986712801215937] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Revised: 01/25/2012] [Accepted: 01/31/2012] [Indexed: 11/22/2022]
Abstract
Imaging techniques targeting tumor angiogenesis have been investigated for past decade. Of these, the radiolabeled Arg-Gly- Asp (RGD) peptide has been focused because it has high affinity and selectivity for integrin alpha(v)beta3. Integrin alpha(v)beta3 is expressed on the plasma membrane in an active status in which it binds its ligands and transduce signals when exposed activating external stimuli of tumor angiogenesis such as vascular endothelial growth factor (VEGF). Many linear or cyclic RGD peptides were developed for positron emission tomography (PET). In this review, we focused on currently developed RGD peptides as PET probes for non-invasive detection of integrin alpha(v)beta3 expression.
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Oka T, Yokoya A, Fujii K, Fukuda Y, Ukai M. Unpaired electron species in thin films of calf-thymus DNA molecules induced by nitrogen and oxygen K-shell photoabsorption. PHYSICAL REVIEW LETTERS 2012; 109:213001. [PMID: 23215591 DOI: 10.1103/physrevlett.109.213001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 09/05/2012] [Indexed: 06/01/2023]
Abstract
The mechanism of DNA modification induced by K-shell photoabsorption of nitrogen and oxygen atoms was investigated by electron paramagnetic resonance and x-ray absorption near edge structure measurements of calf thymus DNA. A g factor of 2.000 for the unpaired electron species, which only arises during irradiation, was measured. The EPR intensities for DNA zwere twofold times larger than those estimated based on the photoabsorption cross section. This suggests that the DNA film itself forms unpaired electron species through the excitation of enhanced electron recapturing, known as the postcollision interaction process.
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Abstract
The physiologically active form of vitamin B6, pyridoxal 5'-phosphate (PLP), is known to function as a cofactor in many enzymic reactions in amino acid metabolism. Recent studies have shown that, apart from its role as a coenzyme, PLP acts as a modulator of steroid hormone receptor-mediated gene expression. Specifically, elevation of intracellular PLP leads to a decreased transcriptional response to glucocorticoid hormones, progesterone, androgens, and oestrogens. For example, the induction of cytosolic aspartate aminotransferase (cAspAT) in rat liver by hydrocortisone is suppressed by the administration of pyridoxine. The suppression of the cAspAT induction by pyridoxine is caused by a decrease in the expression of the cAspAT gene, which is brought about by inactivation of the binding activity of the glucocorticoid receptor to the glucocorticoid-responsive element in the regulatory region of the cAspAT gene. Vitamin B6 has recently been found to modulate gene expression not only for steroid hormone-responsive or PLP-dependent enzymes but also for steroid- and PLP-unrelated proteins such as serum albumin. Albumin gene expression was found to be modulated by vitamin B6 through a novel mechanism that involves inactivation of tissue-specific transcription factors, such as HNF-1 or C/EBP, by direct interaction with PLP in a similar manner to glucocorticoid receptor. Enhancement of albumin gene expression in the liver by an increased supply of amino acids can be explained by elevated binding of HNF-1 and C/EBP to their DNA-binding sites which, in turn, is caused by a decrease in the intracellular level of PLP by the increased amino acid supply. These findings that vitamin B6 acts as a physiological modulator of gene expression add a new dimension to the hitherto recognized function of vitamin B6 as a cofactor of enzyme action.
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Oka T, Yakushiji Y, Nanri Y, Takase Y, Hara H. Teaching NeuroImages:Simultaneous angiography and ultrasonography in extracranial internal carotid artery dissection. Neurology 2012; 78:e150. [DOI: 10.1212/wnl.0b013e318259e249] [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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82
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Takenaka T, Yoshida K, Ueda M, Yamazaki H, Miyake S, Tanaka E, Yoshida M, Yoshimura Y, Oka T, Honda K. PO-160 DAILY NEEDLE APPLICATOR DISPLACEMENT DURING HIGH-DOSE-RATE PROSTATE BRACHYTHERAPY USING DAILY CT EXAMINATIONS. Radiother Oncol 2012. [DOI: 10.1016/s0167-8140(12)72126-6] [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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83
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Oka T, Li Z, Kawasaki S, Chen GF, Wang NL, Zheng GQ. Antiferromagnetic spin fluctuations above the dome-shaped and full-gap superconducting states of LaFeAsO1-xFx revealed by (75)As-nuclear quadrupole resonance. PHYSICAL REVIEW LETTERS 2012; 108:047001. [PMID: 22400880 DOI: 10.1103/physrevlett.108.047001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2011] [Revised: 07/09/2011] [Indexed: 05/31/2023]
Abstract
We report a systematic study by (75)As nuclear-quadrupole resonance in LaFeAsO(1-x)F(x). The antiferromagnetic spin fluctuation found above the magnetic ordering temperature T(N) = 58 K for x = 0.03 persists in the regime 0.04 ≤ x ≤ 0.08, where superconductivity sets in. A dome-shaped x dependence of the superconducting transition temperature T(c) is found, with the highest T(c) = 27 K at x = 0.06, which is realized under significant antiferromagnetic spin fluctuation. With increasing x further, the antiferromagnetic spin fluctuation decreases, and so does T(c). These features resemble closely the cuprates La(2-x)Sr(x)CuO(4). In x = 0.06, the spin-lattice relaxation rate (1/T(1)) below T(c) decreases exponentially down to 0.13T(c), which unambiguously indicates that the energy gaps are fully opened. The temperature variation of 1/T(1) below T(c) is rendered nonexponential for other x by impurity scattering.
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Dilanian RA, Darmanin C, Varghese JN, Wilkins SW, Oka T, Yagi N, Quiney HM, Nugent KA. Structure analysis of two-dimensional membrane proteins using X-ray powder diffraction data. Acta Crystallogr A 2011. [DOI: 10.1107/s0108767311085035] [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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85
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Shi L, Shi L, Yao YF, Matsushita M, Yu L, Huang XQ, Yi W, Oka T, Tokunaga K, Chu JY. Genetic link among Hani, Bulang and other Southeast Asian populations: evidence from HLA -A, -B, -C, -DRB1 genes and haplotypes distribution. Int J Immunogenet 2011; 37:467-75. [PMID: 20637045 DOI: 10.1111/j.1744-313x.2010.00949.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Human leucocyte antigen (HLA) genetic characteristic of different ethnic minorities would be useful for tracing the origin of modern human HLA matching in transplantation and disease associations. In this study, we reported HLA-A, -B, -C and -DRB1 alleles and haplotypes in the Bulang and Hani populations of southwestern China using a high-resolution polymerase chain reaction-Luminex (PCR-Luminex) typing method. A total of nine HLA-A, 22 HLA-B, 13 HLA-C and 18 HLA-DRB1 alleles were identified in the Bulang population, and 11 HLA-A, 25 HLA-B, 14 HLA-C and 19 HLA-DRB1 alleles were in the Hani population. Compared with other populations, the predominant A*1101-B*1502-DRB1*1202 haplotype in the Bulang and Hani populations was also common in Jinuo, Wa, Dai, Maonan and Vietnamese populations. The distribution of HLA genes indicate that Bulang and Hani populations belong to the Southeast Asia group and they have maintained their original genetic characteristics and kept a long genetic distance from other populations owing to founder effects and subsequent geographic isolation. In addition, the close relationship among ethnic groups in Yunnan province and the Thai and Vietnamese populations were confirmed, whereas the Mon-Kmer-speaking populations shared other common HLA alleles and haplotypes compared with other linguistic groups.
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Oka T, Oshima A, Motohashi R, Seto N, Watanabe Y, Kobayashi R, Saito K, Kudo H, Murakami T, Washio M, Hama Y. Changes to the chemical structure of isotactic-polypropylene induced by ion-beam irradiation. Radiat Phys Chem Oxf Engl 1993 2011. [DOI: 10.1016/j.radphyschem.2010.07.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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87
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Nagasaka T, Goel A, Taniguchi N, Mori Y, Sigeyasu K, Yamada E, Oka T, Sun D, Fujiwara T. Power of fecal DNA methylation analysis: Does it lead to development of a noninvasive screening tool for pancreatic cancer? J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.187] [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
187 Background: The development of noninvasive screening tests is important to reduce mortality from gastrointestinal neoplasia, especially given that there is no noninvasive screening test for pancreatic cancer. We sought to develop such a test by analysis of DNA methylation from exfoliated cancer cells in feces. Methods: We had reported a novel strategy that uses single-step modification of DNA with sodium bisulfite and fluorescence polymerase chain reaction methodology to measure aberrant methylation in fecal DNA. We increased number of biomarkers from 4 to 8 that were analyzed in 144 fecal samples obtained from a variety of patients, including colorectal tumors, hepatic tumors, and pancreatic tumors. Results: The assay successfully identified one or more methylated markers in fecal DNA from patients with colorectal cancer, polyps, hepatocellular carcinoma, metastatic colorectal cancer at liver, and pancreatic cancer. Conclusions: Methylation of 8 biomarkers in fecal DNA is associated with the presence of gastroenterological tumors relative to non-neoplastic conditions. Our fecal DNA methylation assay provides a possible means to noninvasively screen not only for colorectal tumors but also for pancreatic tumors. No significant financial relationships to disclose.
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Dilanian RA, Darmanin C, Varghese JN, Wilkins SW, Oka T, Yagi N, Quiney HM, Nugent KA. A new approach for structure analysis of two-dimensional membrane protein crystals using X-ray powder diffraction data. Protein Sci 2011; 20:457-64. [PMID: 21154412 DOI: 10.1002/pro.572] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2010] [Revised: 10/10/2010] [Accepted: 11/24/2010] [Indexed: 11/09/2022]
Abstract
The application of powder diffraction methods to problems in structural biology is generally regarded as intractable because of the large number of unresolved, overlapping X-ray reflections. Here, we use information about unit cell lattice parameters, space group transformations, and chemical composition as a priori information in a bootstrap process that resolves the ambiguities associated with overlapping reflections. The measured ratios of reflections that can be resolved experimentally are used to refine the position, the shape, and the orientation of low-resolution molecular structures within the unit cell, in leading to the resolution of the overlapping reflections. The molecular model is then made progressively more sophisticated as additional diffraction information is included in the analysis. We apply our method to the recovery of the structure of the bacteriorhodopsin molecule (bR) to a resolution of 7 Å using experimental data obtained from two-dimensional purple membrane crystals. The approach can be used to determine the structure factors directly or to provide reliable low-resolution phase information that can be refined further by the conventional methods of protein crystallography.
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Kitajima M, Oka T, Haramoto E, Phanuwan C, Takeda N, Katayama K, Katayama H. Genetic diversity of genogroup IV noroviruses in wastewater in Japan. Lett Appl Microbiol 2010; 52:181-4. [DOI: 10.1111/j.1472-765x.2010.02980.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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90
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Obi T, Matsumoto M, Miyazaki K, Kitsutaka K, Tamaki M, Takase K, Miyamoto A, Oka T, Kawamoto Y, Nakada T. Skeletal Ryanodine Receptor 1-Heterozygous PSE (Pale, Soft and Exudative) Meat Contains a Higher Concentration of Myoglobin than Genetically Normal PSE Meat in Pigs. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2010. [DOI: 10.5713/ajas.2010.90542] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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91
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Oka T, Miyahara R, Ojima K, Hara E, Miyake H, Kimura T, Hukuhara T, Tagai K. Cosmetic application of a novel technique preparing lamellar-structure-nano capsule with POE/POP dimethyl ether. Int J Cosmet Sci 2010. [DOI: 10.1111/j.1468-2494.2010.00551_3.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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92
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Oka T, Fujimoto M, Nagasaka R, Ushio H, Hori M, Ozaki H. Cycloartenyl ferulate, a component of rice bran oil-derived gamma-oryzanol, attenuates mast cell degranulation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2010; 17:152-156. [PMID: 19577449 DOI: 10.1016/j.phymed.2009.05.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2008] [Revised: 03/13/2009] [Accepted: 05/26/2009] [Indexed: 05/28/2023]
Abstract
IgE-targeting therapy could provide significant progress in the treatment of allergic inflammation. In this study, we examined the effect of cycloartenyl ferulate (cycloartenol ferulic acid ester; CAF), a natural product from rice bran oil-derived gamma-oryzanol, on allergic reaction. When CAF and gamma-oryzanol were injected intradermally with anti-DNP IgE into the dorsal skin of rats, the passive cutaneous anaphylaxis reaction induced by DNP-HSA was attenuated. CAF and gamma-oryzanol also inhibited the degranulation of DNP-IgE sensitized RBL-2H3 mast cells stimulated with anti-DNP-HSA. IgE conjugated with CAF could not be detected by anti-IgE antibody in the ELISA analysis. Although incubation of IgE with CAF did not decrease the amount of IgE, it was possible to precipitate IgE by centrifugation. These results demonstrate that CAF captures IgE, prevents it from binding to FcepsilonRI, and attenuates mast cell degranulation.
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93
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Shi L, Yao YF, Shi L, Matsushita M, Yu L, Lin QK, Tao YF, Oka T, Chu JY, Tokunaga K. HLA alleles and haplotypes distribution in Dai population in Yunnan province, Southwest China. ACTA ACUST UNITED AC 2009; 75:159-65. [PMID: 20003137 DOI: 10.1111/j.1399-0039.2009.01407.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Human leukocyte antigen (HLA) analysis would be a useful tool to trace the origin of modern humans. In this study, we provided the first four digital HLA-A, -B, -C and -DRB1 allele and haplotype data in the Dai ethnic population, which is a unique and representative Kam-Tai-speaking ethnic minority living in the Yunnan province of Southwestern China. Our results showed that the Dai population has unique HLA characteristic that are most closely related to the Southeastern Asia group and similar to the Kam-Tai speaking populations in China and Thailand.
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94
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Kudo H, Sudo S, Oka T, Hama Y, Oshima A, Washio M, Murakami T. Ion-beam irradiation effects on polyimide-UV–vis and infrared spectroscopic study. Radiat Phys Chem Oxf Engl 1993 2009. [DOI: 10.1016/j.radphyschem.2009.06.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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95
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Yao Y, Shi L, Shi L, Matsushita M, Yu L, Lin K, Tao Y, Huang X, Yi W, Oka T, Tokunaga K, Chu J. Distribution of HLA-A, -B, -Cw, and -DRB1 alleles and haplotypes in an isolated Han population in Southwest China. ACTA ACUST UNITED AC 2009; 73:561-8. [PMID: 19493233 DOI: 10.1111/j.1399-0039.2009.01237.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In this study, polymorphisms of human leukocyte antigen (HLA) class I (A, B, and Cw) and class II (DRB1) loci were analyzed in an isolated Han population living in Fengyandong in the Yunnan province of Southwest China (FYDH) using a high-resolution polymerase chain reaction-Luminex typing method. A total of 13 A, 26 B, 15 Cw, and 23 DRB1 alleles of HLA were found in FYDH. The frequencies of A*1101, A*0207, A*2402, B*4601, B*1502, Cw*0102, Cw*0801, DRB1*0901, and DRB1*1202 were >10%. The following haplotypes were common with frequencies >5%: three A-B, four Cw-B, two B-DRB1, two A-B-DRB1, three A-B-Cw, two B-Cw-DRB1, and two A-B-Cw-DRB1 phylogenetic tree and multidimensional scaling analysis based on HLA-A, -B, and -DRB1 allele frequencies of 18 Han populations suggested that FYDH was an isolated Han population, but the analytic result also provided a suggestion that FYDH was genetically related to Chinese Southern Han. According to the characteristics of the HLA allele and haplotype distributions and significantly reduced allelic and haplotypic diversity in FYDH, we deduced that genetic drift and/or selection and subsequent geographic isolation had influenced the distribution characteristics of the HLA gene in FYDH. In addition, significantly reduced allelic and haplotypic diversity in FYDH makes it an ideal homogenous population and very useful model for future investigations of issues related to immunogenetic diseases in the Han population.
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96
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Horiguchi N, Oka T, Aoki H. Non-equilibrium dynamics in Mott-to-superfluid transition in Bose-Einstein condensation in optical lattices. ACTA ACUST UNITED AC 2009. [DOI: 10.1088/1742-6596/150/3/032007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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97
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Jourdi H, Hamo L, Oka T, Seegan A, Baudry M. BDNF mediates the neuroprotective effects of positive AMPA receptor modulators against MPP+-induced toxicity in cultured hippocampal and mesencephalic slices. Neuropharmacology 2009; 56:876-85. [PMID: 19371576 DOI: 10.1016/j.neuropharm.2009.01.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2008] [Revised: 12/24/2008] [Accepted: 01/13/2009] [Indexed: 01/08/2023]
Abstract
Neurotoxicity is involved in various neurodegenerative diseases including Parkinson's disease (PD), which affects mesencephalic dopaminergic neurons of the substantia nigra (SN). Positive alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor modulators (PARMs, a.k.a. Ampakines, such as CX614) increase brain-derived neurotrophic factor (BDNF) protein levels in vivo and in cultured hippocampal slices. BDNF is a survival factor for various neuronal cell types including mesencephalic dopaminergic neurons. Using cultured mesencephalic and hippocampal slices, we investigated whether preincubation with CX614 could provide neuroprotection against MPP(+) toxicity and whether such neuroprotection was mediated by BDNF. Various treatment protocols were tested to demonstrate CX614-induced neuroprotection against MPP(+). Pretreatment with CX614 significantly reduced MPP(+)-induced toxicity and increased BDNF levels in both hippocampal and mesencephalic cultured slices; CX614 pretreatment for 6 h in hippocampal slices and 24 h in mesencephalic slices was sufficient to produce significant neuroprotection as assessed with lactate dehydrogenase release in slice medium and propidium iodide uptake in slices. Both a BDNF scavenger and an inhibitor of the BDNF receptor TrkB, abrogated CX614-mediated reduction of MPP(+)-induced toxicity. Inhibition of Ca(2+)-activated proteases, calpains, was also protective against MPP(+)-induced toxicity. However, co-application of calpain inhibitor with CX614 abolished CX614-mediated protection, suggesting a dual action of calpains in this model. We conclude that CX614 is neuroprotective against MPP(+)-induced toxicity, an effect mediated by increased BDNF expression and activation of BDNF-dependent signaling pathways. Our results provide support for using PARMs as a new therapy for neurodegenerative disorders, including PD.
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98
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Kuroda R, Sei N, Oka T, Yasumoto M, Toyokawa H, Ogawa H, Koike M, Yamada K, Sakai F. Development of high power THz-TDS system based on S-band compact electron linac. Radiat Phys Chem Oxf Engl 1993 2008. [DOI: 10.1016/j.radphyschem.2008.05.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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99
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Koumura A, Nonaka Y, Hyakkoku K, Oka T, Shimazawa M, Hozumi I, Inuzuka T, Hara H. A novel calpain inhibitor, ((1S)-1((((1S)-1-benzyl-3-cyclopropylamino-2,3-di-oxopropyl)amino)carbonyl)-3-methylbutyl) carbamic acid 5-methoxy-3-oxapentyl ester, protects neuronal cells from cerebral ischemia-induced damage in mice. Neuroscience 2008; 157:309-18. [PMID: 18835333 DOI: 10.1016/j.neuroscience.2008.09.007] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2008] [Revised: 09/01/2008] [Accepted: 09/03/2008] [Indexed: 01/09/2023]
Abstract
Cerebral ischemia induces Ca(2+) influx into neuronal cells, and activates several proteases including calpains. Since calpains play important roles in neuronal cell death, calpain inhibitors may have potential as drugs for cerebral infarction. ((1S)-1((((1S)-1-Benzyl-3- cyclopropylamino-2,3-di-oxopropyl)amino)carbonyl)-3-methylbutyl) carbamic acid 5-methoxy-3-oxapentyl ester (SNJ-1945) is a novel calpain inhibitor that has good membrane permeability and water solubility. We evaluated the effect of SNJ-1945 on the focal brain ischemia induced by middle cerebral artery occlusion (MCAO) in mice. Brain damage was evaluated by assessing neurological deficits at 24 h or 72 h after MCAO and also by examining 2,3,5-triphenyltetrazolium chloride (TTC) staining and terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) staining of brain sections. When injected at 1 h after MCAO, SNJ-1945 at 30 and 100 mg/kg, i.p. decreased the infarction volume and improved the neurological deficits each assessed at 24 h. SNJ-1945 at 100 mg/kg, i.p. also showed neuroprotective effects at 72 h and reduced the number of TUNEL-positive cells at 24 h. SNJ-1945 was able to prevent neuronal cell death even when it was injected at up to 6 h, but not at 8 h, after MCAO. In addition, SNJ-1945 decreased cleaved alpha-spectrin at 6 h and 12 h, and active caspase-3 at 12 h and 24 h in ischemic brain hemisphere. These findings indicate that SNJ-1945 inhibits the activation of calpain, and offers neuroprotection against the effects of acute cerebral ischemia in mice even when given up to 6 h after MCAO. SNJ-1945 may therefore be a potential drug for stroke.
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100
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Ino Y, Oka T, Nomura K, Watanabe T, Kawashima S, Amano T, Hayashi Y, Okabe A, Uehara Y, Masuda T, Takamatsu J, Nakazawa A, Ikeuchi K, Endo H, Fukuta K, Akishinonomiya F. Breed differentiation among Japanese native chickens by specific skull features determined by direct measurements and computer vision techniques. Br Poult Sci 2008; 49:273-81. [PMID: 18568751 DOI: 10.1080/00071660802094727] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
1. Inter-breed morphological comparisons were made among 11 breeds of Japanese native chickens (Gifujidori, Hinaidori, Shokoku, Totenko, Tomaru, Satsumadori, Shamo, Koshamo, Koeyoshi, Chabo and Nagoya), White Leghorn, broiler chickens (Chunky) and red junglefowl collected in the Philippines, based on results of direct measurements and analysis by computer vision techniques of the skull. 2. Analysis of direct measurements identified two groups of chicken: a small type that included the Chabo, Koshamo, red junglefowl, Gifujidori and Shokoku and a large type that included the remaining breeds studied. These groupings were made based on size determined both in the first (PC1) and second principal component (PC2). The greatest length of the cranium and condylobasal length greatly contributed to the morphological differences between these two groups. 3. Analysis by computer vision techniques, however, identified three groups: the Bantam group (which includes red junglefowl), Shokoku group and Shamo group. White Leghorn clustered within the Shokoku group while the broiler chicken belonged to the Shamo group. The region around the junction of the neural cranium and the visceral cranium contributed greatly to the morphological differences among breeds, both in the PC1 and PC2.
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