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Yin X, Tan K, Zhang C, Chen S, Zhang C, Pan X, Li X, Chen F, Jiang H, Lin G, Lu G, Zhang X. O11 Blastocyst trophoderm cells screening by massively parallel sequencing for aneuploidy and imbalanced chromosomal arrangements detection. Reprod Biomed Online 2012. [DOI: 10.1016/s1472-6483(12)60216-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Nanka O, Krejci E, Pesevski Z, Sedmera D, Smart N, Rossdeutsch A, Dube KN, Riegler J, Price AN, Taylor A, Muthurangu V, Turner M, Lythgoe MF, Riley PR, Kryvorot S, Vladimirskaya T, Shved I, Schwarzl M, Seiler S, Huber S, Steendijk P, Maechler H, Truschnig-Wilders M, Pieske B, Post H, Caprio C, Baldini A, Chiavacci E, Dolfi L, Verduci L, Meghini F, Cremisi F, Pitto L, Kuan TC, Chen MC, Yang TH, Wu WT, Lin CS, Rai H, Kumar S, Sharma AK, Mastana S, Kapoor A, Pandey CM, Agrawal S, Sinha N, Orlowska-Baranowska EH, Placha G, Gora J, Baranowski R, Abramczuk E, Hryniewiecki T, Gaciong Z, Verschuren JJW, Wessels JAM, Trompet S, Stott DJ, Sattar N, Buckley B, Guchelaar HJ, Jukema JW, Gharanei M, Hussain A, Mee CJ, Maddock HL, Wijnen WJ, Van Den Oever S, Van Der Made I, Hiller M, Tijsen AJ, Pinto YM, Creemers EE, Nikulina SUY, Chernova A, Petry A, Rzymski T, Kracun D, Riess F, Pike L, Harris AL, Gorlach A, Katare R, Oikawa A, Riu F, Beltrami AP, Cesseli D, Emanueli C, Madeddu P, Zaglia T, Milan G, Franzoso M, Pesce P, Sarais C, Sandri M, Mongillo M, Butler TJ, Seymour AML, Ashford D, Jaffre F, Bussen M, Ferrara N, Koch WJ, Leosco D, Akhmedov A, Klingenberg R, Brokopp C, Hof D, Zoller S, Corti R, Gay S, Flohrschutz I, Von Eckardstein A, Hoerstrup SP, Luescher TF, Heijman J, Zaza A, Johnson DM, Rudy Y, Peeters RLM, Volders PGA, Westra RL, Martin GR, Morais CAS, Oliveira SHV, Brandao FC, Gomes IF, Lima LM, Fujita S, Okamoto R, Taniguchi M, Konishi K, Goto I, Engelhardt S, Sugimoto K, Nakamura M, Shiraki K, Buechler C, Ito M, Kararigas G, Nguyen BT, Jarry H, Regitz-Zagrosek V, Van Bilsen M, Daniels A, Munts C, Janssen BJA, Van Der Vusse GJ, Van Nieuwenhoven FA, Montalvo C, Villar AV, Merino D, Garcia R, Llano M, Ares M, Hurle MA, Nistal JF, Dembinska-Kiec A, Beata Kiec-Wilk BKW, Anna Polus AP, Urszula Czech UC, Tatiana Konovaleva TK, Gerd Schmitz GS, Bertrand L, Balteau M, Timmermans A, Viollet B, Sakamoto K, Feron O, Horman S, Vanoverschelde JL, Beauloye C, De Meester C, 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E, Fazal L, Merval R, Carrier L, Chatziantoniou C, Samuel JL, Delcayre C, Buyandelger B, Linke W, Zou P, Kostin S, Ku C, Felkin L, Birks E, Barton P, Sattler M, Knoell R, Schroder K, Benkhoff S, Shimokawa H, Grisk O, Brandes RP, Parepa IR, Mazilu L, Suceveanu AI, Suceveanu A, Rusali L, Cojocaru L, Matei L, Toringhibel M, Craiu E, Pires AL, Pinho M, Pinho S, Sena C, Seica R, Leite-Moreira A, Zaglia T, Milan G, Franzoso M, Dabroi F, Pesce P, Schiaffino S, Sandri M, Mongillo M, Kiseleva E, Krukov N, Nikitin O, Ardatova L, Mourouzis I, Pantos C, Kokkinos AD, Cokkinos DV, Scoditti E, Massaro M, Carluccio MA, Pellegrino M, Calabriso N, Gastaldelli A, Storelli C, De Caterina R, Lindner D, Zietsch C, Schultheiss HP, Tschope C, Westermann D, Everaert BR, Nijenhuis VJ, Reith FCM, Hoymans VY, Timmermans JP, Vrints CJ, Simova I, Mateev H, Katova T, Haralanov L, Dimitrov N, Mironov N, Golitsyn SP, Sokolov SF, Yuricheva YUA, Maikov EB, Shlevkov NB, Rosenstraukh LV, Chazov EI, Radosinska J, Knezl V, 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Lisa F, Hancock M, Venturini A, Al-Shanti N, Stewart C, Ascione R, Angelini G, Suleiman MS, Kravchuk E, Grineva E, Galagudza M, Kostareva A, Bairamov A, Krychtiuk KA, Watzke L, Kaun C, Demyanets S, Pisoni J, Kastl SP, Huber K, Maurer G, Wojta J, Speidl WS, Varga ZV, Farago N, Zvara A, Kocsis GF, Pipicz M, Csonka C, Csont T, Puskas GL, Ferdinandy P, Klevstigova M, Silhavy J, Manakov D, Papousek F, Novotny J, Pravenec M, Kolar F, Novakova O, Novak F, Neckar J, Barallobre-Barreiro J, Didangelos A, Yin X, Fernandez-Caggiano M, Drozdov I, Willeit P, Domenech N, Mayr M, Lemoine S, Allouche S, Coulbault L, Galera P, Gerard JL, Hanouz JL, Suveren E, Whiteman M, Baxter GF, Studneva IM, Pisarenko O, Shulzhenko V, Serebryakova L, Tskitishvili O, Timoshin A, Fauconnier J, Meli AC, Thireau J, Roberge S, Lompre AM, Jacotot E, Marks AM, Lacampagne A, Dietel B, Altendorf R, Daniel WG, Kollmar R, Garlichs CD, Verduci L, Parente V, Balasso S, Pompilio G, Colombo G, Milano G, Squadroni L, Cotelli F, Pozzoli O, Capogrossi MC, Ajiro Y, Saegusa N, Iwade K, Giles WR, Stafforini DM, Spitzer KW, Sirohi R, Candilio L, Babu G, Roberts N, Lawrence D, Sheikh A, Kolvekar S, Yap J, Hausenloy DJ, Yellon DM, Aslam M, Rohrbach S, Schlueter KD, Piper HM, Noll T, Guenduez D, Malinova L, Ryabukho VP, Lyakin DV, Denisova TP, Montoro-Garcia S, Shantsila E, Lip GYH, Kalaska B, Sokolowska E, Kaminski K, Szczubialka K, Kramkowski K, Mogielnicki A, Nowakowska M, Buczko W, Stancheva N, Mekenyan E, Gospodinov K, Tisheva S, Darago A, Rutkai I, Kalasz J, Czikora A, Orosz P, Bjornson HD, Edes I, Papp Z, Toth A, Riches K, Warburton P, O'regan DJ, Ball SG, Turner NA, Wood IC, Porter KE, Kogaki S, Ishida H, Nawa N, Takahashi K, Baden H, Ichimori H, Uchikawa T, Mihara S, Miura K, Ozono K, Lugano R, Padro T, Garcia-Arguinzonis M, Badimon L, Yin X, Ferraro F, Viner R, Ho J, Cutler D, Mayr M, Matchkov V, Aalkjaer C, Mangialardi G, Katare R, Oikawa A, Madeddu P, Krijnen PAJ, Hahn NE, Kholova I, Sipkens JA, Van Alphen FP, Simsek S, Schalkwijk CG, Van Buul JD, Van Hinsbergh VWM, Niessen HWM, Simova I, Katova T, Haralanov L, Caro CG, Seneviratne A, Monaco C, Hou D, Singh J, Gilson P, Burke MG, Heraty KB, Krams R, Coppola G, Albrecht K, Schgoer W, Wiedemann D, Bonaros N, Steger C, Theurl M, Stanzl U, Kirchmair R, Amadesi S, Fortunato O, Reni C, Katare R, Meloni M, Ascione R, Spinetti G, Cangiano E, Valgimigli M, Madeddu P, Caporali A, Meloni M, Miller AM, Cardinali A, Vierlinger K, Fortunato O, Spinetti G, Madeddu P, Emanueli C, Pagano G, Liccardo D, Zincarelli C, Femminella GD, Lymperopoulos A, De Lucia C, Koch WJ, Leosco D, Rengo G, Hinkel R, Husada W, Trenkwalder T, Di Q, Lee S, Petersen B, Bock-Marquette I, Niemann H, Di Maio M, Kupatt C, Nourian M, Yassin Z, Kelishadi R, Nourian M, Kelishadi R, Yassin Z, Memarian SH, Heidari A, Leuner A, Poitz DM, Brunssen C, Ravens U, Strasser RH, Morawietz H, Vogt F, Grahl A, Flege C, Marx N, Borinski M, De Geest B, Jacobs F, Muthuramu I, Gordts SC, Van 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VA, Bacova B, Radosinska J, Viczenczova C, Knezl V, Dosenko V, Benova T, Goncalvesova E, Vanrooyen J, Tribulova N, Maulik SK, Seth S, Dinda AK, Jaiswal A, Mearini G, Khajetoorians D, Kraemer E, Gedicke-Hornung C, Precigout G, Eschenhagen T, Voit T, Garcia L, Lorain S, Carrier L, Mendes-Ferreira P, Maia-Rocha C, Adao R, Lourenco AP, Cerqueira RJ, Mendes MJ, Castro-Chaves P, De Keulenaer GW, Leite-Moreira AF, Bras-Silva C, Ruiter G, Wong YY, Lubberink M, Knaapen P, Raijmakers P, Lammertsma AA, Marcus JT, Westerhof N, Van Der Laarse WJ, Vonk-Noordegraaf A, Poitz DM, Steinbronn N, Koch E, Steiner G, Strasser RH, Berezin A, Lisovaya OA, Soldatova AM, Kuznetcov VA, Yenina TN, Rychkov AYU, Shebeko PV, Altara R, Hessel MHM, Hermans JJR, Janssen BJA, Blankesteijn WM, Soldatova AM, Kuznetcov VA, Yenina TN, Rychkov AYU, Shebeko PV, Berezin A, Berezina TA, Seden V, Bonanad C, Nunez J, Navarro D, Chilet MF, Sanchis F, Bodi V, Minana G, Chaustre F, Forteza MJ, Llacer A, Femminella GD, Rengo G, 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J, Reihardt C, Kosiuk J, Arya A, Hindricks G, Adams V, Husser D, Bollmann A, Camelliti P, Dudhia J, Dias P, Cartledge J, Connolly DJ, Terracciano CM, Nobles M, Sebastian S, Tinker A, Opel A, Tinker A, Daimi H, Haj Khelil A, Be Chibani J, Barana A, Amoros I, Gonzalez De La Fuente M, Caballero R, Aranega A, Franco D, Kelly A, Bernus O, Kemi OJ, Myles RC, Ghouri IA, Burton FL, Smith GL, Del Lungo M, Sartiani L, Spinelli V, Baruscotti M, Difrancesco D, Mugelli A, Cerbai E, Thomas AM, Aziz Q, Khambra T, Tinker A, Addlestone JMA, Cartwright EJ, Wilkinson R, Song W, Marston S, Jacquet A, Mougenot NM, Lipskaia AJ, Paalberends ER, Stam K, Van Dijk SJ, Van Slegtenhorst M, Dos Remedios C, Ten Cate FJ, Michels M, Niessen HWM, Stienen GJM, Van Der Velden J, Read MI, Andreianova AA, Harrison JC, Goulton CS, Kerr DS, Sammut IA, Schwarzl M, Seiler S, Wallner M, Huber S, Steendijk P, Maechler H, Truschnig-Wilders M, Von Lewinski D, Pieske B, Post H, Kindsvater D, Saes M, Morano I, Muegge A, Jaquet K, Buyandelger B, Kostin S, Gunkel S, Vouffo J, Ng K, Chen J, Eilers M, Isaacson R, Milting H, Knoell R, Cattin ME, Crocini C, Schlossarek S, Maron S, Hansen A, Eschenhagen T, Carrier L, Bonne G, Coppini R, Ferrantini C, Olivotto I, Del Lungo M, Belardinelli L, Poggesi C, Mugelli A, Cerbai E, Leung MC, Messer AE, Copeland O, Marston SB, Mills AM, Collins T, O'gara P, Thum T, Regalla K, Lyon AR, Macleod KT, Harding SE, Rao C, Prodromakis T, Chaudhry U, Darzi A, Yacoub MH, Athanasiou T, Terracciano CM, Bogdanova A, Makhro A, Hoydal M, Stolen TO, Johnssen AB, Alves M, Catalucci D, Condorelli G, Koch LG, Britton SL, Smith GL, Wisloff U, Bito V, Claus P, Vermeulen K, Huysmans C, Ventura-Clapier R, Sipido KR, Seliuk MN, Burlaka AP, Sidorik EP, Khaitovych NV, Kozachok MM, Potaskalova VS, Driesen RB, Galan DT, Vermeulen K, Claus P, Sipido KR, De Paulis D, Arnoux T, Schaller S, Pruss RM, Poitz DM, Augstein A, Braun-Dullaeus RC, Schmeisser A, Strasser RH, Micova P, Balkova P, Hlavackova M, Zurmanova J, Kasparova D, Kolar F, Neckar J, Novak F, Novakova O, Pollard S, Babba M, Hussain A, James R, Maddock H, Alshehri AS, Baxter GF, Dietel B, Altendorf R, Daniel WG, Kollmar R, Garlichs CD, Sirohi R, Roberts N, Lawrence D, Sheikh A, Kolvekar S, Yap J, Arend M, Walkinshaw G, Hausenloy DJ, Yellon DM, Posa A, Szabo R, Szalai Z, Szablics P, Berko MA, Orban K, Murlasits ZS, Balogh L, Varga C, Ku HC, Su MJ, Chreih RM, Ginghina C, Deleanu D, Ferreira ALBJ, Belal A, Ali MA, Fan X, Holt A, Campbell R, Schulz R, Bonanad C, Bodi V, Sanchis J, Morales JM, Marrachelli V, Nunez J, Forteza MJ, Chaustre F, Gomez C, Chorro FJ, Csont T, Fekete V, Murlasits Z, Aypar E, Bencsik P, Sarkozy M, Varga ZV, Ferdinandy P, Duerr GD, Zoerlein M, Dewald D, Mesenholl B, Schneider P, Ghanem A, Rittling S, Welz A, Dewald O, Duerr GD, Dewald D, Becker E, Peigney C, Ghanem A, Welz A, Dewald O, Bouleti C, Galaup A, Monnot C, Ghaleh B, Germain S, Timmermans A, Ginion A, De Meester C, Sakamoto K, Vanoverschelde JL, Horman S, Beauloye C, Bertrand L, Maroz-Vadalazhskaya N, Drozd E, Kukharenko L, Russkich I, Krachak D, Seljun Y, Ostrovski Y, Martin AC, Le Bonniec B, Lecompte T, Dizier B, Emmerich J, Fischer AM, Samama CM, Godier A, Mogensen S, Furchtbauer EM, Aalkjaer C, Choong WL, Jovanovic A, Khan F, Daniel JM, Dutzmann JM, Widmer-Teske R, Guenduez D, Sedding D, Castro MM, Cena JJC, Cho WJC, Goobie GG, Walsh MPW, Schulz RS, Daniel JM, Dutzmann J, Widmer-Teske R, Preissner KT, Sedding D, Aziz Q, Khambra T, Sones W, Thomas AM, Kotlikoff M, Tinker A, Serizawa K, Yogo K, Aizawa K, Hirata M, Tashiro Y, Ishizuka N, Varela A, Katsiboulas M, Tousoulis D, Papaioannou TG, Vaina S, Davos CH, Piperi C, Stefanadis C, Basdra EK, Papavassiliou AG, Hermenegildo C, Lazaro-Franco M, Sobrino A, Bueno-Beti C, Martinez-Gil N, Walther T, Peiro C, Sanchez-Ferrer CF, Novella S, Ciccarelli M, Franco A, Sorriento D, Del Giudice C, Dorn GW, Trimarco B, Iaccarino G, Cseplo P, Torok O, Springo ZS, Vamos Z, Kosa D, Hamar J, Koller A, Bubb KJ, Ahluwalia A, Stepien EL, Gruca A, Grzybowska J, Goralska J, Dembinska-Kiec A, Stepien EL, Stolinski J, Grzybowska J, Goralska J, Partyka L, Gruca A, Dembinska-Kiec A, Zhang H, Sweeney D, Thomas GN, Fish PV, Taggart DP, Watt SM, Martin-Rendon E, Cioffi S, Bilio M, Martucciello S, Illingworth E, Caporali A, Shantikumar S, Marchetti M, Martelli F, Emanueli C, Marchetti M, Meloni M, Caporali A, Al Haj Zen A, Sala-Newby G, Emanueli C, Del Turco S, Saponaro C, Dario B, Sartini S, Menciassi A, Dario P, La Motta C, Basta G, Santiemma V, Bertone C, Rossi F, Michelon E, Bianco MJ, Castelli A, Shin DI, Seung KB, Seo SM, Park HJ, Kim PJ, Baek SH, Shin DI, Seung KB, Seo SM, Park HJ, Choi YS, Her SH, Kim DB, Kim PJ, Lee JM, Park CS, Rocchiccioli S, Cecchettini A, Pelosi G, Kusmic C, Citti L, Parodi O, Trivella MG, Michel-Monigadon D, Burger F, Dunoyer-Geindre S, Pelli G, Cravatt B, Steffens S, Didangelos A, Mayr U, Yin X, Stegemann C, Shalhoub J, Davies AH, Monaco C, Mayr M, Lypovetska S, Grytsenko S, Njerve IU, Pettersen AA, Opstad TB, Bratseth V, Arnesen H, Seljeflot I, Dumitriu IE, Baruah P, Antunes RF, Kaski JC, Forteza MJ, Bodi V, Trapero I, Benet I, Alguero C, Chaustre FJ, Gomez C, Sanchis J, Chorro FJ, Mangold A, Puthenkalam S, Distelmaier K, Adlbrecht C, Preissner KT, Lang IM, Koizumi T, Inoue I, Komiyama N, Nishimura S, Korneeva ON, Drapkina OM, Fornai L, Angelini A, Kiss A, Giskes F, Eijkel G, Fedrigo M, Valente ML, Thiene G, Heeren RMA, Vilahur G, Padro T, Casani L, Suades R, Badimon L, Bertoni B, Carminati R, Carlini V, Pettinari L, Martinelli C, Gagliano N, Noppe G, Buchlin P, Marquet N, Baeyens N, Morel N, Vanoverschelde JL, Bertrand L, Beauloye C, Horman S, Baysa A, Sagave J, Dahl CP, Gullestad L, Carpi A, Di Lisa F, Giorgio M, Vaage J, Valen G, Vafiadaki E, Papalouka V, Arvanitis DA, Terzis G, Spengos K, Kranias EG, Manta P, Sanoudou D, Gales C, Genet G, Dague E, Cazorla O, Payre B, Mias C, Ouille A, Lacampagne A, Pathak A, Senard JM, Abonnenc M, Da Costa Martins P, Srivastava S, Didangelos A, Yin X, Gautel M, De Windt L, Mayr M, Comelli L, Rocchiccioli S, Lande C, Ucciferri N, Trivella MG, Citti L, Cecchettini A, Ikonen L, Vuorenpaa H, Kujala K, Sarkanen JR, Heinonen T, Ylikomi T, Aalto-Setala K, Capros H, Sprincean N, Usurelu N, Egorov V, Stratu N, Matchkov V, Bouzinova E, Moeller-Nielsen N, Wiborg O, Aalkjaer C, Gutierrez PS, Aparecida-Silva R, Borges LF, Moreira LFP, Dias RR, Kalil J, Stolf NAG, Zhou W, Suntharalingam K, Brand N, Vilar Compte R, Ying L, Bicknell K, Dannoura A, Dash P, Brooks G, Tsimafeyeu I, Tishova Y, Wynn N, Oyeyipo IP, Olatunji LA, Maegdefessel L, Azuma J, Toh R, Raaz U, Merk DR, Deng A, Spin JM, Tsao PS, Lande C, Cecchettini A, Tedeschi L, Taranta M, Naldi I, Citti L, Trivella MG, Grimaldi S, Cinti C, Bousquenaud M, Maskali F, Poussier S, Marie PY, Boutley H, Karcher G, Wagner DR, Devaux Y, Torre I, Psilodimitrakopoulos S, Iruretagoiena I, Gonzalez-Tendero A, Artigas D, Loza-Alvarez P, Gratacos E, Amat-Roldan I, Murray L, Carberry DM, Dunton P, Miles MJ, Suleiman MS, Kanesalingam K, Taylor R, Mc Collum CN, Parniczky A, Solymar M, Porpaczy A, Miseta A, Lenkey ZS, Szabados S, Cziraki A, Garai J, Koller A, Myloslavska I, Menazza SM, Canton MC, Di Lisa FDL, Schulz RS, Oliveira SHV, Morais CAS, Miranda MR, Oliveira TT, Lamego MRA, Lima LM, Goncharova NS, Naymushin AV, Kazimli AV, Moiseeva OM, Lima LM, Carvalho MG, Sabino AP, Mota APL, Sousa MO, Niessner A, Richter B, Hohensinner PJ, Rychli K, Zorn G, Berger R, Moertl D, Pacher R, Wojta J, Huelsmann M, Kukharchik G, Nesterova N, Pavlova A, Gaykovaya L, Krapivka N, Konstantinova I, Sichinava L, Prapa S, Mccarthy KP, Kilner PJ, Xu XY, Johnson MR, Ho SY. Poster session 2. Cardiovasc Res 2012. [DOI: 10.1093/cvr/cvr334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Luo J, Martinez J, Yin X, Sanchez A, Tripathy D, Grammas P. Hypoxia induces angiogenic factors in brain microvascular endothelial cells. Microvasc Res 2012; 83:138-45. [PMID: 22100491 PMCID: PMC3278542 DOI: 10.1016/j.mvr.2011.11.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2011] [Revised: 09/28/2011] [Accepted: 11/02/2011] [Indexed: 01/01/2023]
Abstract
Hypoxia is increasingly recognized as an important contributing factor to the development of brain diseases such as Alzheimer's disease (AD). In the periphery, hypoxia is a powerful regulator of angiogenesis. However, vascular endothelial cells are remarkably heterogeneous and little is known about how brain endothelial cells respond to hypoxic challenge. The objective of this study is to characterize the effect of hypoxic challenge on the angiogenic response of cultured brain-derived microvascular endothelial cells. Brain endothelial cell cultures were initiated from isolated rat brain microvessels and subjected to hypoxia (1% O(2)) for various time periods. The results showed that hypoxia induced rapid (≤ 0.5h) expression of hypoxia-inducible factor 1α (HIF-1α) and that cell viability, assessed by MTT assay, was unaffected within the first 8h. Examination of brain endothelial cell cultures for pro- and anti-angiogenic proteins by western blot, RT-PCR and ELISA revealed that within 0.5 to 2h of hypoxia levels of vascular endothelial growth factor and endothelin-1 mRNA and protein were elevated. The expression of heme oxygenase-1 also increased but only after 8h of hypoxia. In contrast, similar hypoxia exposure evoked a decrease in endothelial nitric oxide synthase and thrombospondin-2 levels. Exposure of brain endothelial cell cultures to hypoxia resulted in a significant (p<0.001) decrease (94%) in tube length, an in vitro index of angiogenesis, compared to control cultures. The data indicate that, despite a shift toward a pro-angiogenic phenotype, hypoxia inhibited vessel formation in brain endothelial cells. These results suggest that in brain endothelial cells expression of angiogenic factors is not sufficient for the development of new vessels. Further work is needed to determine what factors/conditions prevent hypoxia-induced angiogenic changes from culminating in the formation of new brain blood vessels and what role this may play in the pathologic changes observed in AD and other diseases characterized by cerebral hypoxia.
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Affiliation(s)
- J. Luo
- Garrison Institute on Aging, Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - J. Martinez
- Garrison Institute on Aging, Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - X. Yin
- Garrison Institute on Aging, Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - A. Sanchez
- Garrison Institute on Aging, Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - D. Tripathy
- Garrison Institute on Aging, Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, Texas
| | - P. Grammas
- Garrison Institute on Aging, Department of Neurology, Texas Tech University Health Sciences Center, Lubbock, Texas
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Lu D, Qian J, Yin X, Xiao Q, Wang C, Zeng Y. Expression of PTEN and survivin in cervical cancer: promising biological markers for early diagnosis and prognostic evaluation. Br J Biomed Sci 2012; 69:143-146. [PMID: 23310986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This study aims to evaluate the expression of the antioncogene phosphatase and tensin (PTEN) homologue and survivin, a protein encoded by the anti-apoptotic gene baculoviral inhibitor of apoptosis repeat containing 5 (BIRC5), in the progression of cervical neoplasia and to elucidate the relationship between PTEN and survivin expression based on clinicopathological features in squamous cell carcinoma of the uterine cervix. A total of 20 patients with cervical ectropion and squamous metaplasia, 30 with cervical intraepithelial neoplasia, and 49 with cervical squamous cell carcinoma were enrolled in the study. Immunohistochemical staining was performed to detect PTEN and survivin expression in each group. Normal cervical epithelium from 10 people served as the control. Results showed that PTEN expression progressively decreased with the continuum from normal epithelium to squamous cell carcinoma (P < 0.05), whereas survivin expression progressively increased (P < 0.05). Furthermore, positive PTEN immunostaining was associated with clinical stage and tumour size (P < 0.05). The level of PTEN expression in the metastatic pelvic lymph node group was significantly lower compared with the non-metastatic pelvic lymph node group (P < 0.01). Positive PTEN immunostaining was not associated with age or degree of differentiation (P > 0.05). Positive survivin immunostaining was associated with clinical stage and tumour size (P < 0.05). Survivin-positive expression in the metastatic pelvic lymph node group was significantly higher compared with the nonmetastatic pelvic lymph node group (P < 0.01). No obvious relationship was found between survivin expression and patient age (P > 0.05). PTEN expression negatively correlated with survivin expression in cervical intraepithelial neoplasia and cervical squamous cell carcinoma (P < 0.01). PTEN and survivin expression correlated with incidence and progression of uterine cervical cancer. Positive expression levels of PTEN and survivin provide potential evaluation indices for early diagnosis and prognosis of uterine cervical cancer, and these biomarkers are also potentially promising therapeutic targets.
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Affiliation(s)
- D Lu
- Department of Obstetrics and Gynecology, Yangzhou University Medical College, Yangzhou, P R. China.
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Archontoulis SV, Yin X, Vos J, Danalatos NG, Struik PC. Leaf photosynthesis and respiration of three bioenergy crops in relation to temperature and leaf nitrogen: how conserved are biochemical model parameters among crop species? J Exp Bot 2012; 63:895-911. [PMID: 22021569 PMCID: PMC3254689 DOI: 10.1093/jxb/err321] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2011] [Revised: 08/31/2011] [Accepted: 09/07/2011] [Indexed: 05/07/2023]
Abstract
Given the need for parallel increases in food and energy production from crops in the context of global change, crop simulation models and data sets to feed these models with photosynthesis and respiration parameters are increasingly important. This study provides information on photosynthesis and respiration for three energy crops (sunflower, kenaf, and cynara), reviews relevant information for five other crops (wheat, barley, cotton, tobacco, and grape), and assesses how conserved photosynthesis parameters are among crops. Using large data sets and optimization techniques, the C(3) leaf photosynthesis model of Farquhar, von Caemmerer, and Berry (FvCB) and an empirical night respiration model for tested energy crops accounting for effects of temperature and leaf nitrogen were parameterized. Instead of the common approach of using information on net photosynthesis response to CO(2) at the stomatal cavity (A(n)-C(i)), the model was parameterized by analysing the photosynthesis response to incident light intensity (A(n)-I(inc)). Convincing evidence is provided that the maximum Rubisco carboxylation rate or the maximum electron transport rate was very similar whether derived from A(n)-C(i) or from A(n)-I(inc) data sets. Parameters characterizing Rubisco limitation, electron transport limitation, the degree to which light inhibits leaf respiration, night respiration, and the minimum leaf nitrogen required for photosynthesis were then determined. Model predictions were validated against independent sets. Only a few FvCB parameters were conserved among crop species, thus species-specific FvCB model parameters are needed for crop modelling. Therefore, information from readily available but underexplored A(n)-I(inc) data should be re-analysed, thereby expanding the potential of combining classical photosynthetic data and the biochemical model.
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Affiliation(s)
- S. V. Archontoulis
- Centre for Crop Systems Analysis, Plant Sciences Group, Wageningen University, Wageningen, The Netherlands
- Laboratory of Agronomy and Applied Crop Physiology, Department of Agriculture, University of Thessaly, Volos, Greece
| | - X. Yin
- Centre for Crop Systems Analysis, Plant Sciences Group, Wageningen University, Wageningen, The Netherlands
| | - J. Vos
- Centre for Crop Systems Analysis, Plant Sciences Group, Wageningen University, Wageningen, The Netherlands
| | - N. G. Danalatos
- Laboratory of Agronomy and Applied Crop Physiology, Department of Agriculture, University of Thessaly, Volos, Greece
| | - P. C. Struik
- Centre for Crop Systems Analysis, Plant Sciences Group, Wageningen University, Wageningen, The Netherlands
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Simpson M, Brady H, Yin X, Seifert J, Barriga K, Hoffman M, Bugawan T, Barón AE, Sokol RJ, Eisenbarth G, Erlich H, Rewers M, Norris JM. No association of vitamin D intake or 25-hydroxyvitamin D levels in childhood with risk of islet autoimmunity and type 1 diabetes: the Diabetes Autoimmunity Study in the Young (DAISY). Diabetologia 2011; 54:2779-88. [PMID: 21858504 PMCID: PMC3478880 DOI: 10.1007/s00125-011-2278-2] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2011] [Accepted: 07/25/2011] [Indexed: 12/19/2022]
Abstract
AIMS/HYPOTHESIS The aim of the study was to investigate the association between vitamin D intake and status and the risk of islet autoimmunity (IA) and subsequent type 1 diabetes in children at increased risk of type 1 diabetes. METHODS The Diabetes Autoimmunity Study in the Young (DAISY) in Denver, CO, USA, has been following children at increased risk of diabetes since 1993. As of February 2011, 198 children developed IA during follow-up of 2,644 DAISY children. Vitamin D intake and plasma 25-hydroxyvitamin D [25(OH)D] were measured longitudinally. Proportional hazards regression analyses of time to IA, or type 1 diabetes in IA-positive children, were conducted, with vitamin D intake and 25(OH)D as time-varying covariates. HRs were calculated for a standard deviation difference in exposure, with adjustment for confounders. RESULTS Intake of vitamin D was not associated with the risk of IA (adjusted HR 1.13; 95% CI 0.95, 1.35; p = 0.18) nor progression to diabetes in IA-positive children (adjusted HR 1.30; 95% CI 0.91, 1.86; p = 0.15). Moreover, 25(OH)D level was not associated with the risk of IA (adjusted HR 1.12; 95% CI 0.88, 1.43; p = 0.36), nor progression to diabetes in IA-positive children (adjusted HR 0.91; 95% CI 0.68, 1.22; p = 0.54). In the 128 children in whom we measured 25(OH)D at 9 months of age, 25(OH)D was not associated with risk of IA (n = 30 IA-positive children) (adjusted HR 1.02; 95% CI 0.96, 1.07; p = 0.58). CONCLUSIONS/INTERPRETATION Neither vitamin D intake nor 25(OH)D levels throughout childhood were associated with the risk of IA or progression to type 1 diabetes in our population.
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Affiliation(s)
- M. Simpson
- Department of Epidemiology, Colorado School of Public Health, University of Colorado, 13001 East 17th Place, Campus Box B119, Aurora, CO 80045, USA
| | - H. Brady
- University of Colorado Boulder, Boulder, CO, USA
| | - X. Yin
- Colorado School of Public Health, Department of Biostatistics and Informatics, University of Colorado, Aurora, CO, USA
| | - J. Seifert
- Department of Epidemiology, Colorado School of Public Health, University of Colorado, 13001 East 17th Place, Campus Box B119, Aurora, CO 80045, USA
| | - K. Barriga
- Barbara Davis Center for Childhood Diabetes, University of Colorado Denver, Aurora, CO, USA
| | - M. Hoffman
- Barbara Davis Center for Childhood Diabetes, University of Colorado Denver, Aurora, CO, USA
| | - T. Bugawan
- Roche Molecular Systems Inc., Alameda, CA, USA
| | - A. E. Barón
- Colorado School of Public Health, Department of Biostatistics and Informatics, University of Colorado, Aurora, CO, USA
| | - R. J. Sokol
- The Children’s Hospital of Denver, Aurora, CO, USA
| | - G. Eisenbarth
- Barbara Davis Center for Childhood Diabetes, University of Colorado Denver, Aurora, CO, USA
| | - H. Erlich
- Roche Molecular Systems Inc., Alameda, CA, USA
| | - M. Rewers
- Barbara Davis Center for Childhood Diabetes, University of Colorado Denver, Aurora, CO, USA
| | - J. M. Norris
- Department of Epidemiology, Colorado School of Public Health, University of Colorado, 13001 East 17th Place, Campus Box B119, Aurora, CO 80045, USA
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Margariti A, Kirton JP, Yin X, Karamariti E, Mayr M, Hu Y, Zeng L, Xu Q. 21 Proteomic analysis of iPS and embryonic stem cells identifies alternate vascular cell differentiation properties. Heart 2011. [DOI: 10.1136/heartjnl-2011-300920b.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Nie M, Yin X, Jia J, Wang Y, Liu S, Shen Q, Li P, Wang Z. Production of a novel bioflocculant MNXY1 by Klebsiella pneumoniae strain NY1 and application in precipitation of cyanobacteria and municipal wastewater treatment. J Appl Microbiol 2011; 111:547-58. [PMID: 21679283 PMCID: PMC4385668 DOI: 10.1111/j.1365-2672.2011.05080.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIMS To isolate and characterize the novel bioflocculant-producing bacteria, to optimize the bioflocculant production and to evaluate its potential applications. METHODS AND RESULTS Klebsiella pneumoniae strain NY1, a bacterium that produces a novel bioflocculant (MNXY1), was selected on the chemically defined media. It was classified according to the 16S rRNA gene sequence, morphological and microscopic characteristics. MNXY1 was characterized to contain 26% protein and 66% total sugar. The constituent sugar monomers of MNXY1, revealed by NMR analysis, are glucose, galactose and quinovose. Favourable culture conditions for MNXY1 production were determined. Strain NY1 produces a high level (14.9 g l(-1)) of MNXY1. MNXY1 is thermostable and tolerant to the extreme pH. It precipitated 54% of cyanobacteria from laboratory culture and 72% of the total suspended solids from raw wastewater. CONCLUSIONS Strain NY1 was identified to produce a novel bioflocculant MNXY1. The outstanding performance of MNXY1 in practical applications and its availability in copious amounts make it attractive for further investigation and development for industrial scale applications. SIGNIFICANCE AND IMPACT OF THE STUDY This is first report for the identification of a quinovose-containing bioflocculant and application of a protein-polysaccharide complex bioflocculant in precipitation of cyanobacteria. These findings suggest that MNXY1 holds great potential for use in management of harmful algae and city wastewater treatment.
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Affiliation(s)
- M Nie
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi Province, China
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He G, Shu L, Liao L, Yin X, Sheng L, Wang X. Somatic cell cryopreservation and protoplast regeneration of important disease-resistant wild riceOryza meyeriana Baill. ACTA ACUST UNITED AC 2011; 41:393-9. [PMID: 18726256 DOI: 10.1007/bf02882739] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/1997] [Indexed: 10/22/2022]
Abstract
Oryza meyeriana Baill is one of the three wild rice species found in Chiia.O. mcyeriana possesses valuable characteristics but is reluctant in cell culturein vitro. In a series of experiments, callus with no regeneration ability was induced from young panicle ofO. meyeriana. The callus was subcultured and propagated. Embryogenic cell clones were obtained after cryopreswation. Suspension cultures were established and protoplasts were isolated and regenerated into plants. Results of artificial inoculation ofXanthomonas campestris pv.Oryzae showed that the strong resistance did not change in the regenerated plants. The development of protoplast-to-plant system is an important progress towards utilization ofO. meyeriana via cellular engineering. The experiments demonstrated that cryopreservation of plant calli was a new way to obtain embryogenic cell line.
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Affiliation(s)
- G He
- College of Life Sciences, Wuhan University, 430072, Wuhan, China
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211
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Wang Y, Yin X, Rosen G, Gabel L, Guadiana SM, Sarkisian MR, Galaburda AM, Loturco JJ. Dcdc2 knockout mice display exacerbated developmental disruptions following knockdown of doublecortin. Neuroscience 2011; 190:398-408. [PMID: 21689730 DOI: 10.1016/j.neuroscience.2011.06.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2011] [Revised: 05/27/2011] [Accepted: 06/01/2011] [Indexed: 12/12/2022]
Abstract
The dyslexia-associated gene DCDC2 is a member of the DCX family of genes known to play roles in neurogenesis, neuronal migration, and differentiation. Here we report the first phenotypic analysis of a Dcdc2 knockout mouse. Comparisons between Dcdc2 knockout mice and wild-type (wt) littermates revealed no significant differences in neuronal migration, neocortical lamination, neuronal cilliogenesis or dendritic differentiation. Considering previous studies showing genetic interactions and potential functional redundancy among members of the DCX family, we tested whether decreasing Dcx expression by RNAi would differentially impair neurodevelopment in Dcdc2 knockouts and wild-type mice. Consistent with this hypothesis, we found that deficits in neuronal migration, and dendritic growth caused by RNAi of Dcx were more severe in Dcdc2 knockouts than in wild-type mice with the same transfection. These results indicate that Dcdc2 is not required for neurogenesis, neuronal migration or differentiation in mice, but may have partial functional redundancy with Dcx.
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Affiliation(s)
- Y Wang
- Department of Physiology and Neurobiology, University of Connecticut, Storrs, CT 06269, USA
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212
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Yin X, Wang Y, Liu B, Luo XB. Effects of the grain boundary on phase structure and surface morphology of TiO2
films prepared by MAO technology. SURF INTERFACE ANAL 2011. [DOI: 10.1002/sia.3792] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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213
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214
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Qin S, Yin X, Chen Y, Hongmei W. The mechanism of endostar on ascites formation in vivo and in vitro. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e21013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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215
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Hayes DN, Zhao N, Ang M, Patel M, Wilkerson MD, Yin X, Hayward MC, Funkhouser WK, Olshan A. Cellular p16 localization and survival outcomes in head and neck cancer. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.5572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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216
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Thongprasert S, Qin S, Lim H, Bhudhisawasdi V, Yin X, Gang W, Kim B, Jian Z, Yang T, Rau K. Efficacy of oxaliplatin plus 5-fluorouracil/leucovorin (FOLFOX4) versus doxorubicin in advanced HCC: Updates on the EACH study. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
160 Background: In Asia, where hepatitis B is very common, patients often present with locally advanced or metastatic hepatocellular carcinoma (HCC), and their prognosis is poor. The EACH study was designed to evaluate the efficacy and safety of FOLFOX4 vs. doxorubicin as palliative systemic chemotherapy in advanced HCC. Methods: The open-label, randomized, multicenter phase III study was conducted in 371 patients in China, Taiwan, Korea and Thailand, who had locally advanced or metastatic HCC and were ineligible for resection. Patients were randomized 1:1 to receive either FOLFOX4 (oxaliplatin 85 mg/m2 i.v. d1; LV 200 mg/m2 i.v. h0–h2 d1 and d2; 5FU 400 mg/m2 i.v. bolus h2, then 600 mg/m2 over 22 hours d1 and d2 q2w) or doxorubicin (50 mg/m2 i.v. q3w). The primary endpoint was overall survival (OS); secondary endpoints included progression-free survival (PFS), response rate (RR) by RECIST and safety. Data from final and follow-up analyses of the intent-to-treat (ITT) population and selected subgroup analyses are presented. Results: At the final analysis, median OS with FOLFOX4 (N = 184) was 6.40 months (95% CI: 5.30, 7.03) vs. 4.97 months (95% CI: 4.23, 6.03) with doxorubicin [N = 187; p = 0.0695 using a stratified log-rank test; statistical significance (p = 0.0425) was achieved at the post hoc follow-up analysis conducted 7 months later]. Median PFS with FOLFOX4 was 2.93 months (95% CI: 2.43, 3.53) vs. 1.77 months with doxorubicin (95% CI: 1.63, 2.30; p = 0.0002). The RR was 8.2% vs. 2.7% of patients with FOLFOX4 and doxorubicin, respectively (p = 0.0233), and the disease control rate (DCR) was 52.2% vs. 31.6% (p < 0.0001). In the Chinese sub-population, OS, PFS, RR and DCR were significantly improved with FOLFOX4 vs. doxorubicin at both the final and follow-up analyses. In the other subgroups analyzed, the OS and PFS benefits of FOLFOX4 vs. doxorubicin were generally consistent. Conclusions: In the ITT population, median OS was greater with FOLFOX4 than doxorubicin throughout the study and statistical significance was achieved after continued follow-up. FOLFOX4 can benefit patients with advanced HCC, as it significantly increases median OS, PFS, RR and DCR compared with doxorubicin. [Table: see text]
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Affiliation(s)
- S. Thongprasert
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - S. Qin
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - H. Lim
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - V. Bhudhisawasdi
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - X. Yin
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - W. Gang
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - B. Kim
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - Z. Jian
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - T. Yang
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
| | - K. Rau
- Chiang Mai University, Chiang Mai, Thailand; Nanjing Bayi Hospital, Nanjing, China; Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea; Khon Kaen University, Khon Kaen, Thailand; The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Wuhan Union Hospital, Wuhan, China; Seoul Bohun Hospital, Seoul, South Korea; Guangdong Provincial People's Hospital, Guangzhou, China; Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan; Chang Gung
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217
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Yin X, Yan G, Peng J, Liang L. The clinical values of methylation status of P16 and APC genes in bile in diagnosis of malignant obstructive jaundice. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.4_suppl.171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
171 Background: Preoperative definitive diagnosis of malignant obstructive jaundice caused by biliary and pancreatic carcinomas still remains a major challenge. Hypermethylation of tumor suppressor genes have been implied in carcinogenesis of biliary and pancreatic malignancies. The diagnostic values of methylation status of tumor suppressor genes in bile in malignant obstructive jaundice have not been well-documented. Methods: Bile was prospectively collected from 70 patients with obstructive jaundice treated at our hospital between November 2008 and Sepetember 2009. Forty-eight of them were proved to be malignant obstructive jaundice (biliary carcinoma in 36, pancreatic carcinoma in 8 and duodenal carcinoma in 4) by pathological examination, and 22 were benign obstructive jaundice caused by cholelithiasis. DNA was extracted from bile and modified by sodium bisulfite. Methylation-specific PCR was run to detect methylation status of P16 and APC gene promoters. Their diagnostic values in malignant obstructive jaundice were assessed. Results: Hypermethylation of P16 promoter was presented in 72.9% (35/48) malignant obstructive jaundice, and 9% (2/22) bengin obstructive jaundice (p<0.05). Hypermethylation of APC promoter was presented in 56.2% (27/48) malignant obstructive jaundice, and 9% (2/22) bengin obstructive jaundice (p<0.05). With respect to their diagnostic values in malignant obstructive jaundice, sensitivity, specificity, positive predictivity and negative predictivity were 72.9%, 90.9%, 94.6% and 60.6%, respectively, for P16 gene; 56.2%, 90.9%, 93.1%, 48.8%, respectively, for APC gene. Conclusions: Methylation status of P16 and APC gene promoters in bile was valuable in diagnosis of malignant obstructive jaundice, with an excellent specificity. P16 gene had a higher sensitivity than APC gene. No significant financial relationships to disclose.
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Affiliation(s)
- X. Yin
- Department of Hepatobiliary Surgery,The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China; Department of General Surgery,The First Affiliated Hospital, Guangdong Pharmaceutical College, Guangzhou, China
| | - G. Yan
- Department of Hepatobiliary Surgery,The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China; Department of General Surgery,The First Affiliated Hospital, Guangdong Pharmaceutical College, Guangzhou, China
| | - J. Peng
- Department of Hepatobiliary Surgery,The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China; Department of General Surgery,The First Affiliated Hospital, Guangdong Pharmaceutical College, Guangzhou, China
| | - L. Liang
- Department of Hepatobiliary Surgery,The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China; Department of General Surgery,The First Affiliated Hospital, Guangdong Pharmaceutical College, Guangzhou, China
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218
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Didangelos A, Yin X, Saje A, Xu Q, Jahangiri M, Mayr M. Podocan is a novel inhibitor of smooth muscle cell function in human abdominal aortic aneurysms. Atherosclerosis 2010. [DOI: 10.1016/j.atherosclerosis.2010.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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219
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Lieb W, Safa R, Benjamin EJ, Xanthakis V, Yin X, Sullivan LM, Larson MG, Smith HM, Vita JA, Mitchell GF, Sawyer DB, Vasan RS. Corrigendum to: 'Vascular endothelial growth factor, its soluble receptor, and hepatocyte growth factor: clinical and genetic correlates and association with vascular function'. Eur Heart J 2010. [DOI: 10.1093/eurheartj/ehq348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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220
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Zheng Z, Xia Y, Gao L, Zhang S, Yang D, Yin X, Cong P, Chang D. e0562 Impact of circumferential pulmonary vein isolation on electrophysiologic properties of pulmonary veins in patients with paroxysmal atrial fibrillation. Heart 2010. [DOI: 10.1136/hrt.2010.208967.562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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221
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Xiao Q, Wang G, Bai X, Yin X, Luo Z, Mayr M, Ye S, Xu Q. BAS/BSCR30 Crucial roles of Cbx3 identified by nuclear proteomics in smooth muscle differentiation from stem cells and vascular injury-induced neointima formation. Heart 2010. [DOI: 10.1136/hrt.2010.205781.41] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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222
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Didangelos A, Yin X, Mandal K, Jahangiri M, Mayr M. BAS/BSCR9 Proteomic characterisation of extracellular space components in the human aorta. Heart 2010. [DOI: 10.1136/hrt.2010.205781.20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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223
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Zampetaki A, May D, Oren G, Yin X, Xu Q, Horrevoets A, Keshet E, Mayr M. BAS/BSCR31 Metabolic homoeostasis is maintained in myocardial hibernation by adaptive changes in the transcriptome and proteome. Heart 2010. [DOI: 10.1136/hrt.2010.205781.42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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224
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Yin X, Cuello F, Mayr U, Hornshaw M, Ehler E, Avkiran M, Mayr M. YIA3 Proteomic analysis of the cardiac myofilament subproteome reveals dynamic alterations in phosphatase subunit distribution. Heart 2010. [DOI: 10.1136/hrt.2010.205781.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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225
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Ang M, Zhao N, Hayward M, Patel M, Yin X, Wilkerson MD, Funkhouser WK, Fritchie K, Olshan A, Hayes DN. Expression and prognostic significance of X-ray crosscomplementation group 1 (XRCC1) in head and neck squamous cell carcinoma patients undergoing concurrent chemoradiation. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.5541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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226
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Evers JB, Vos J, Yin X, Romero P, van der Putten PEL, Struik PC. Simulation of wheat growth and development based on organ-level photosynthesis and assimilate allocation. J Exp Bot 2010; 61:2203-16. [PMID: 20231326 DOI: 10.1093/jxb/erq025] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Intimate relationships exist between form and function of plants, determining many processes governing their growth and development. However, in most crop simulation models that have been created to simulate plant growth and, for example, predict biomass production, plant structure has been neglected. In this study, a detailed simulation model of growth and development of spring wheat (Triticum aestivum) is presented, which integrates degree of tillering and canopy architecture with organ-level light interception, photosynthesis, and dry-matter partitioning. An existing spatially explicit 3D architectural model of wheat development was extended with routines for organ-level microclimate, photosynthesis, assimilate distribution within the plant structure according to organ demands, and organ growth and development. Outgrowth of tiller buds was made dependent on the ratio between assimilate supply and demand of the plants. Organ-level photosynthesis, biomass production, and bud outgrowth were simulated satisfactorily. However, to improve crop simulation results more efforts are needed mechanistically to model other major plant physiological processes such as nitrogen uptake and distribution, tiller death, and leaf senescence. Nevertheless, the work presented here is a significant step forwards towards a mechanistic functional-structural plant model, which integrates plant architecture with key plant processes.
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Affiliation(s)
- J B Evers
- Centre for Crop Systems Analysis, Wageningen University, PO Box 430, 6700 AK Wageningen, the Netherlands.
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227
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Wang HY, Zhu TS, Cui TT, Hou SS, Yin X, Li XD, Lei LP, Zhu XP. Complete genome sequence of a tobacco isolate of the tobacco vein banding mosaic virus strain prevailing in China. Arch Virol 2010; 155:293-5. [PMID: 20012876 DOI: 10.1007/s00705-009-0570-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2009] [Accepted: 11/16/2009] [Indexed: 10/20/2022]
Abstract
Tobacco vein banding mosaic virus (TVBMV) is a species of the largest plant virus genus Potyvirus. Its incidence has been increasing in Chinese tobacco-growing area. TVBMV isolates can be clustered into three genetic groups that are corresponding with their geographical origin. We have reported the complete genomic sequence of TVBMV isolate YND with unique NIb/CP cleavage site. Here, we determined and analyzed the complete genomic sequence of isolate HN39, which was collected from tobacco in Henan Province and represented Chinese prevalent strain of TVBMV. HN39 has similar host range with YND, but induce mild vein banding symptom in Nicotiana tabacum cv. Samsun. The genome of TVBMV-HN39 is composed of 9,570 nucleotides, excluding the poly(A) tail. It contains a large ORF of 9,240 nucleotides and encode a polyprotein of 3,079 amino acids. The putative NIa-Pro cleavage site for NIb/CP is Q/G. The identities between the complete genomes of isolates HN39 and YND were 90.0% at nucleotide level and 95.4% at amino acid level. As for other potyviruses, HN39 shared the highest identity with wild tomato mosaic virus (WTMV) at complete genomic level, while different genes shared the highest identities with different potyviruses. This is the second complete genomic sequence of TVBMV reported.
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Affiliation(s)
- H-Y Wang
- Cotton Research Center, Shandong Academy of Agricultural Sciences, 250100, Ji'nan, Shandong, People's Republic of China
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228
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Lamb MM, Yin X, Zerbe GO, Klingensmith GJ, Dabelea D, Fingerlin TE, Rewers M, Norris JM. Height growth velocity, islet autoimmunity and type 1 diabetes development: the Diabetes Autoimmunity Study in the Young. Diabetologia 2009; 52:2064-71. [PMID: 19547949 PMCID: PMC2813468 DOI: 10.1007/s00125-009-1428-2] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2009] [Accepted: 06/01/2009] [Indexed: 12/11/2022]
Abstract
AIMS/HYPOTHESIS Larger childhood body size and rapid growth have been associated with increased type 1 diabetes risk. We analysed height, weight, BMI and velocities of growth in height, weight and BMI, for association with development of islet autoimmunity (IA) and type 1 diabetes. METHODS Since 1993, the Diabetes Autoimmunity Study in the Young (DAISY) has followed children at increased type 1 diabetes risk, based on HLA-DR, -DQ genotype or family history, for the development of IA and type 1 diabetes. IA was defined as the presence of autoantibodies to insulin, GAD or protein tyrosine phosphatase islet antigen 2 twice in succession, or autoantibody-positive on one visit and diabetic at the next consecutive visit within 1 year. Type 1 diabetes was diagnosed by a physician. Height and weight were collected starting at age 2 years. Of 1,714 DAISY children <11.5 years of age, 143 developed IA and 21 progressed to type 1 diabetes. We conducted Cox proportional hazards analysis to explore growth velocities and size measures for association with IA and type 1 diabetes development. RESULTS Greater height growth velocity was associated with IA development (HR 1.63, 95% CI 1.31-2.05) and type 1 diabetes development (HR 3.34, 95% CI 1.73-6.42) for a 1 SD difference in velocity. CONCLUSIONS/INTERPRETATION Our study suggests that greater height growth velocity may be involved in the progression from genetic susceptibility to autoimmunity and then to type 1 diabetes in pre-pubertal children.
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Affiliation(s)
- M M Lamb
- University of Colorado Denver, Aurora, 80045, USA
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229
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Yin X, Collins J. The Impact of Incident Atrial Fibrillation on the Tertiary Prevention of Chronic Heart Failure. Ann Epidemiol 2009. [DOI: 10.1016/j.annepidem.2009.07.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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230
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Akpan I, Goncalves MD, Dhir R, Yin X, Pistilli EE, Bogdanovich S, Khurana TS, Ucran J, Lachey J, Ahima RS. The effects of a soluble activin type IIB receptor on obesity and insulin sensitivity. Int J Obes (Lond) 2009; 33:1265-73. [PMID: 19668253 PMCID: PMC2783781 DOI: 10.1038/ijo.2009.162] [Citation(s) in RCA: 104] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Myostatin, also known as Growth and Differentiation Factor 8, is a secreted protein that inhibits muscle growth. Disruption of myostatin signaling increases muscle mass and decreases glucose, but it is unclear whether these changes are related. We treated mice on chow and high-fat diets with a soluble activin receptor type IIB (ActRIIB.Fc) which is a putative endogenous signaling receptor for myostatin and other ligands of the TGF-β superfamily. After 4 weeks, RAP-031 increased lean and muscle mass, grip strength, and contractile force. RAP-031 enhanced the ability of insulin to suppress glucose production under clamp conditions in high-fat fed mice, but did not significantly change insulin-mediated glucose disposal. The hepatic insulin sensitizing effect of RAP-031 treatment was associated with increased adiponectin levels. RAP-031 treatment for 10 weeks further increased muscle mass and drastically reduced fat content in mice on either chow or high-fat diet. RAP-031 suppressed hepatic glucose production and increased peripheral glucose uptake in chow fed mice. In contrast, RAP-031 suppressed glucose production with no apparent change in glucose disposal in high-fat diet mice. Our findings demonstrate that disruption of ActRIIB signaling is a viable pharmacological approach for treating obesity and diabetes.
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Affiliation(s)
- I Akpan
- University of Pennsylvania School of Medicine, Department of Medicine, Division of Endocrinology, Diabetes and Metabolism, Philadelphia, PA 19104, USA
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Hu T, Shi J, Jiao X, Zhou J, Yin X. Measurement of annexin V uptake and lactadherin labeling for the quantification of apoptosis in adherent Tca8113 and ACC-2 cells. Braz J Med Biol Res 2009; 41:750-7. [PMID: 18820763 DOI: 10.1590/s0100-879x2008000900002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2008] [Accepted: 08/06/2008] [Indexed: 11/21/2022] Open
Abstract
Phosphatidylserine (PS) exposure occurs during the cell death program and fluorescein-labeled lactadherin permits the detection of PS exposure earlier than annexin V in suspended cell lines. Adherent cell lines were studied for this apoptosis-associated phenomenon to determine if PS probing methods are reliable because specific membrane damage may occur during harvesting. Apoptosis was induced in the human tongue squamous carcinoma cell line (Tca8113) and the adenoid cystic carcinoma cell line (ACC-2) by arsenic trioxide. Cells were harvested with a modified procedure and labeled with lactadherin and/or annexin V. PS exposure was localized by confocal microscopy and apoptosis was quantified by flow cytometry. The detachment procedure without trypsinization did not induce cell damage. In competition binding experiments, phospholipid vesicles competed for more than 95 and 90% of lactadherin but only about 75 and 70% of annexin V binding to Tca8113 and ACC-2 cells. These data indicate that PS exposure occurs in three stages during the cell death program and that fluorescein-labeled lactadherin permitted the detection of early PS exposure. A similar pattern of PS exposure has been observed in two malignant cell lines with different adherence, suggesting that this pattern of PS exposure is common in adherent cells. Both lactadherin and annexin V could be used in adherent Tca8113 and ACC-2 cell lines when an appropriate harvesting procedure was used. Lactadherin is more sensitive than annexin V for the detection of PS exposure as the physical structure of PS in these blebs and condensed apoptotic cell surface may be more conducive to binding lactadherin than annexin V.
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Affiliation(s)
- T Hu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China
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Grilley-Olson JE, Hayes DN, Qaqish BF, Moore DT, Socinski MA, Yin X, Wilkerson MD, Leslie KO, Travis WD, Funkhouser WK. Diagnostic reproducibility of squamous cell carcinoma (SC) in the era of histology-directed non-small cell lung cancer (NSCLC) chemotherapy: A large prospective study. J Clin Oncol 2009. [DOI: 10.1200/jco.2009.27.15_suppl.8008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
8008 Background: Morphology remains the best biomarker for chemotherapy selection in NSCLC. Both bevacizumab and pemetrexed (in first line) are FDA indicated for non-SC histology only, making precise diagnosis key, although data are few on the reproducibility of their categorization. The standard of care, consensus-based World Health Organization diagnostic classification system, Ed. 4 (WHOC) includes 44 diagnostic categories (DC), does not include immunohistochemical (IHC) data, and is not independently validated. In this study, we estimate the reproducibility of SC versus non-SC classification to be only moderately precise. Methods: Pathologists (P) assigned WHOC diagnoses to virtual H&E slides from an incident surgical cohort of 96 primary lung tumors. At a power of 80% we estimated 24 P reviewing 48 slides each would allow for a reproducibility measure in the clinically useful range kappa=0.7, standard error=0.09. In addition to the 44 DC, we also considered the reproducibility of a simplified 10 category system and a chemotherapy-directed 2 class system. Results: 12 self-identified “lung experts” (E) and 12 community (C) P scored slides based on the 44 possible WHOC DC totaling 222 pathologist-pairs and 7130 slides-pairs. P rated confidence in their choices as: high 53%, somewhat 38%, and not confident 8%. 92% of slides were rated as having sufficient quality. Distribution of DC included SC 30% and adenocarcinoma 36%. Conclusions: To our knowledge this is the largest study ever performed of the WHOC, the only one to consider all 44 DC and to distinguish E vs C P. Although this model tests the reproducibility of the WHOC, not clinical lung cancer diagnoses, it shows that reproducible diagnosis of SC based on H&E morphology alone is inadequate. In the era of histology guided therapy, it highlights the need for strict diagnostic criteria and confirmatory IHC stains in the diagnosis of SC. [Table: see text] No significant financial relationships to disclose.
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Affiliation(s)
- J. E. Grilley-Olson
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - D. N. Hayes
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - B. F. Qaqish
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - D. T. Moore
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - M. A. Socinski
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - X. Yin
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - M. D. Wilkerson
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - K. O. Leslie
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - W. D. Travis
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
| | - W. K. Funkhouser
- University of North Carolina at Chapel Hill, Chapel Hill, NC; Mayo Clinic, Scottsdale, AZ; Memorial Sloan-Kettering Cancer Center, New York, NY
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Ouardouz M, Coderre E, Basak A, Chen A, Zamponi GW, Hameed S, Rehak R, Yin X, Trapp B, Stys P. Glutamate receptors on myelinated spinal cord axons: I. GluR6 kainate receptors. Ann Neurol 2009; 65:151-9. [PMID: 19224535 PMCID: PMC2902553 DOI: 10.1002/ana.21533] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVE The deleterious effects of glutamate excitotoxicity are well described for central nervous system gray matter. Although overactivation of glutamate receptors also contributes to axonal injury, the mechanisms are poorly understood. Our goal was to elucidate the mechanisms of kainate receptor-dependent axonal Ca(2+) deregulation. METHODS Dorsal column axons were loaded with a Ca(2+) indicator and imaged in vitro using confocal laser-scanning microscopy. RESULTS Activation of glutamate receptor 6 (GluR6) kainate receptors promoted a substantial increase in axonal [Ca(2+)]. This Ca(2+) accumulation was due not only to influx from the extracellular space, but a significant component originated from ryanodine-dependent intracellular stores, which, in turn, depended on activation of L-type Ca(2+) channels: ryanodine, nimodipine, or nifedipine blocked the agonist-induced Ca(2+) increase. Also, GluR6 stimulation induced intraaxonal production of nitric oxide (NO), which greatly enhanced the Ca(2+) response: quenching of NO with intraaxonal (but not extracellular) scavengers, or inhibition of neuronal NO synthase with intraaxonal Nomega-nitro-L-arginine methyl ester, blocked the Ca(2+) increase. Loading axons with a peptide that mimics the C-terminal PDZ binding sequence of GluR6, thus interfering with the coupling of GluR6 to downstream effectors, greatly reduced the agonist-induced axonal Ca(2+) increase. Immunohistochemistry showed GluR6/7 clusters on the axolemma colocalized with neuronal NO synthase and Ca(v)1.2. INTERPRETATION Myelinated spinal axons express functional GluR6-containing kainate receptors, forming part of novel signaling complexes reminiscent of postsynaptic membranes of glutamatergic synapses. The ability of such axonal "nanocomplexes" to release toxic amounts of Ca(2+) may represent a key mechanism of axonal degeneration in disorders such as multiple sclerosis where abnormal accumulation of glutamate and NO are known to occur.
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Affiliation(s)
- M. Ouardouz
- Division of Neuroscience, Ottawa Health Research Institute, University of Ottawa, CANADA, K1Y 4E9
| | - E. Coderre
- Division of Neuroscience, Ottawa Health Research Institute, University of Ottawa, CANADA, K1Y 4E9
| | - A. Basak
- Hormones, Growth and Development Program, Ottawa Health Research Institute, University of Ottawa, CANADA, K1Y 4E9
| | - A. Chen
- Hormones, Growth and Development Program, Ottawa Health Research Institute, University of Ottawa, CANADA, K1Y 4E9
| | - G. W. Zamponi
- Department of Physiology and Biophysics, Hotchkiss Brain Institute, University of Calgary, AB, CANADA, T2N 4N1
| | - S. Hameed
- Department of Physiology and Biophysics, Hotchkiss Brain Institute, University of Calgary, AB, CANADA, T2N 4N1
| | - R. Rehak
- Department of Physiology and Biophysics, Hotchkiss Brain Institute, University of Calgary, AB, CANADA, T2N 4N1
| | - X. Yin
- Department of Neurosciences, Cleveland Clinic Foundation, Cleveland, Ohio, USA, 44195
| | - B.D. Trapp
- Department of Neurosciences, Cleveland Clinic Foundation, Cleveland, Ohio, USA, 44195
| | - P.K. Stys
- Department of Clinical Neurosciences, Hotchkiss Brain Institute, University of Calgary, AB, CANADA, T2N 4N1
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235
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Yin X, Volk S, Eifler K, Talloji P, Bachmair A. Ubiquitin Lysine 63 chain formation in plants. Comp Biochem Physiol A Mol Integr Physiol 2008. [DOI: 10.1016/j.cbpa.2008.04.470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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236
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Xu G, Li Y, Yang J, Yin X, Zhou X, Liu M, Zhao D. Mycobacterium bovis Mce4E protein may play a role in modulating cytokine expression profile in alveolar macrophage. Int J Tuberc Lung Dis 2008; 12:664-669. [PMID: 18492334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
Abstract
SETTING A large body of research has confirmed that mammalian cell entry proteins (Mce) are related to tuberculosis virulence. OBJECTIVE To obtain an insight into the effect of Mce family protein on the pathogenesis of Mycobacterium bovis, we expressed recombinant Mce4E protein in Escherichia coli, and investigated its effect on the expression of tumor necrosis factor alpha (TNF-alpha), inducible NO, interleukin 6 (IL-6) and interleukin 12 (IL-12) in alveolar macrophage by real-time reverse transcriptase polymerase chain reaction (RT-PCR). RESULTS Our study demonstrated that after stimulation of alveolar macrophages by Mce4E protein for 48 h, the expression of TNF-alpha was induced, with an enhanced IL-6 mRNA level (P < 0.05) and no changes in IL-12 expression in the macrophages. In addition to the changes in the cytokine expression profile in macrophages, the expression of inducible NO synthase was reduced (P < 0.05). Our MTT [3,(4,5 dimethylthiazol-2yl)-2,5 diphenyl-tetrazolium bromide] analysis of the macrophage also demonstrated that Mce4E protein could inhibit macrophage activity. CONCLUSION Our data suggest that Mce4E proteins can induce host inflammation response to M. bovis and may play an important role in host/pathogen interactions.
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Affiliation(s)
- G Xu
- National Animal Transmissible Spongiform Encephalopathies Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
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237
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Sun Q, Meng Q, Yip W, Yin X, Li H. DOT in rural China: experience from a case study in Shandong Province, China. Int J Tuberc Lung Dis 2008; 12:625-630. [PMID: 18492328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
Abstract
SETTING Four counties at varying levels of economic development in Shandong Province were sampled. All offered tuberculosis (TB) directly observed treatment (DOT) treatment at the County TB Dispensary (CTBD). OBJECTIVE To empirically document how DOT and home visits were implemented in rural China and to shed light on whether DOT is one of the key elements through which China achieves its high cure rates for TB. DESIGN A total of 404 rural smear-positive TB patients registered in the CTBDs were interviewed face-to-face with structured questionnaires. Village doctors and key informants from the CTBDs were also interviewed. RESULTS The majority of TB patients in rural areas do not receive DOT from village doctors and rarely get support, such as visits as required, from the CTBDs or township health providers in Shandong, China. CONCLUSION The lack of DOT in Shandong does not have a negative effect on TB treatment outcomes. Given that the DOTS strategy is still the core measure of TB control in China, implementation of other programme elements apart from DOT is necessary to ensure a successful TB treatment programme.
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Affiliation(s)
- Q Sun
- Center for Health Management and Policy, Shandong University, Jinan, Shandong, People's Republic of China.
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238
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Yin X, Xie X, Lu M, Xu H, Xu Z, Kuang M, Liu G, Liang J, Lau W. Percutaneous thermal ablation of medium and large hepatocellular carcinoma: Long-term outcome and prognostic factors. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.15572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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239
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Hayes DN, Lee CB, Hayward M, Socinski MA, Stinchcombe TE, Roberts P, Thorne L, Bernard PS, Yin X, Parsons A, Funkhouser WK. Molecular markers distinguish patients at differential risk of brain metastases in lung cancer by immunohistochemistry. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.8083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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240
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Zhang X, Han F, He Q, Huang H, Yin X, Ge J, Chen J. Outcomes and risk factors for mortality after transfer from hemodialysis to peritoneal dialysis in uremic patients. Perit Dial Int 2008; 28:313-314. [PMID: 18474927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023] Open
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241
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Yin X, Story DA, Cowie D. Audit response rates. Anaesth Intensive Care 2007; 35:988-989. [PMID: 18087780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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242
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Chang JS, Metayer C, Fear NT, Reinier K, Yin X, Urayama K, Russo C, Jolly KW, Buffler PA. Parental social contact in the work place and the risk of childhood acute lymphoblastic leukaemia. Br J Cancer 2007; 97:1315-21. [PMID: 17923868 PMCID: PMC2360459 DOI: 10.1038/sj.bjc.6604024] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
To study the possible relation between parental social contact through occupation, a marker for a child's risk of infection, and childhood acute lymphoblastic leukaemia (ALL), the parents of 294 children with ALL aged 0-14.9 years and 376 matched controls were interviewed about their jobs after their child's birth up to the age of 3 years. Job titles were assigned to a level of social contact, and an index of occupational social contact months was created using the level and the job duration. Positive interactions between this index and rural residence associated with an increased risk of childhood ALL and common ALL (c-ALL) were observed (interaction P-value=0.02 for both, using tertiles of contact months; interaction P-value=0.05 and 0.02 for ALL and c-ALL, respectively, using continuous contact months); such findings were not observed when job durations were ignored. Our data suggest that duration of parental occupation may be important when examining the association between parental social contact in the workplace and childhood leukaemia.
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Affiliation(s)
- J S Chang
- Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA.
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243
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Cuello F, Bardswell S, Haworth R, Yin X, Mayr M, Kentish J, Avkiran M. Regulation of cardiac troponin I phosphorylation and myofilament Ca2+ sensitivity by PKD in intact myocytes. J Mol Cell Cardiol 2007. [DOI: 10.1016/j.yjmcc.2007.03.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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244
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Yang S, Guo ZS, O'Malley ME, Yin X, Zeh HJ, Bartlett DL. A new recombinant vaccinia with targeted deletion of three viral genes: its safety and efficacy as an oncolytic virus. Gene Ther 2007; 14:638-47. [PMID: 17268533 DOI: 10.1038/sj.gt.3302914] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
To enhance further the safety and efficacy of oncolytic vaccinia virus, we have developed a new virus with targeted deletions of three viral genes encoding thymidine kinase and antiapoptotic/host range proteins SPI-1 and SPI-2 (vSPT). Infection of human and murine tumor cell lines yielded nearly equivalent or a log lower virus recovery in comparison to parental viruses. Viral infection activated multiple caspases in cancer cells but not in normal cells, suggesting infected cells may die via different pathways. In tumor-bearing mice, vSPT recovery from MC38 tumor was slightly reduced in comparison to two parental viruses. However, no virus was recovered from the brains and livers of mice injected with vSPT in contrast to control viruses. vSPT demonstrated significantly lower pathogenicity in nude mice. Systemic delivery of vSPT showed significant tumor inhibition in subcutaneous MC38 tumor, human ovarian A2780 and murine ovarian MOSEC carcinomatosis models; however, the tumor inhibition by vSPT was reduced compared with parental viruses. These results demonstrated that although deletion of these three viral genes further enhanced tumor selectivity, it also weakened the oncolytic potency. This study illustrates the complexity of creating a tumor-selective oncolytic virus by deleting multiple viral genes involved in multiple cellular pathways.
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Affiliation(s)
- S Yang
- University of Pittsburgh Cancer Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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245
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Yao SH, Hu XB, Wang JY, Liu H, Gao L, Cheng XF, Yin X, Chen XF. Growth and characterization of near stoichiometric LiNbO3 single crystal. Cryst Res Technol 2007. [DOI: 10.1002/crat.200610782] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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246
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Franklin W, Schulte AP, Zeng C, Wolf HJ, Yin X, Hirsch FR, Byers T, Miller YE, Baron AE, Varella-Garcia M. Chromosomal aneusomy in sputum predicts for lung cancer in nested case-control study. J Clin Oncol 2006. [DOI: 10.1200/jco.2006.24.18_suppl.7201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
7201 Background: Lung cancer usually is disseminated at diagnosis and prognosis is poor for most patients. Heavy smokers are known to be at high risk factor for lung cancer and are target population for lung cancer prevention. Sputum has long been considered a potential source of material for biomarker based early detection but no tests have been validated. Methods: Chromosome aneusomy was sought in sputum of 114 cases and 110 controls from the Colorado Sputum Screening Cohort Study, which includes heavy smokers with airflow obstruction matched on age, gender, and date of sample collection. Subject characteristics were as follows: mean age 67 (± 8 years), 75% males, 36% current smokers, mean pack-year 71.2 (± 33.5). The FISH probe LAVysion (Vysis/Abbott) was used, including the DNA targets EGFR, MYCC, 5p15 and CEP6. Results: The multi-target set showed the highest sensitivity (0.78) and specificity (0.95) rates in specimens collected within 12 months of lung cancer diagnosis. The individual probes EGFR, MYCC, 5p15 and CEP6 showed, respectively, decreasing sensitivity rates (0.78, 0.67, 0.62, and 0.29) and increasing specificity rates (0.84, 0.91. 0.86, and 0.95). Combinations of two specific probes (AND) or of any of two probes (OR) have not favorably impacted these coefficients. Proportion of abnormal sputum specimens was higher in squamous cell carcinoma than in adenocarcinoma or small cell carcinoma, both considering the set of specimens collected 12 months prior to disease diagnosis (92%, 75%, 60%) and all specimens (80%, 58%, 44%). Conclusions: Chromosomal aneusomy in sputum was demonstrated in a nested case-control cohort to be a promising marker for prediction of lung cancer risk in heavy smokers with airflow obstruction. Evaluation of four DNA targets was more effective than any single marker or combination of markers, and the test had high sensitivity in patients with squamous cell carcinoma. [Table: see text]
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Affiliation(s)
- W. Franklin
- University of Colorado Health Sciences Center, Aurora, CO
| | - A. P. Schulte
- University of Colorado Health Sciences Center, Aurora, CO
| | - C. Zeng
- University of Colorado Health Sciences Center, Aurora, CO
| | - H. J. Wolf
- University of Colorado Health Sciences Center, Aurora, CO
| | - X. Yin
- University of Colorado Health Sciences Center, Aurora, CO
| | - F. R. Hirsch
- University of Colorado Health Sciences Center, Aurora, CO
| | - T. Byers
- University of Colorado Health Sciences Center, Aurora, CO
| | - Y. E. Miller
- University of Colorado Health Sciences Center, Aurora, CO
| | - A. E. Baron
- University of Colorado Health Sciences Center, Aurora, CO
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247
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Zhu Y, Si J, Harn DA, Xu M, Ren J, Yu C, Liang Y, Yin X, He W, Cao G. Schistosoma japonicum triose-phosphate isomerase plasmid DNA vaccine protects pigs against challenge infection. Parasitology 2006; 132:67-71. [PMID: 16393355 DOI: 10.1017/s0031182005008644] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2005] [Revised: 06/22/2005] [Accepted: 06/22/2005] [Indexed: 11/06/2022]
Abstract
The protective efficacy of a Schistosoma japonicum, Chinese strain, triose-phosphate isomerase (TPI) plasmid DNA vaccine was examined in naïve pigs. Pigs were vaccinated with the TPI DNA-plasmid alone, or in conjunction with IL-12 as pcDNA3.1-P35, pcDNA3.1-P40 plasmids via intramuscular injection. Control pigs were immunized with equivalent amounts of pcDNA3.1. Pigs were immunized 3 times at 21-day intervals and challenged 30 days after the final boost. Forty-five days post-challenge, pigs were sacrificed and perfused to compare adult worm burdens, female worm burdens, liver egg burdens and granuloma size. We found that pigs vaccinated with SjCTPI DNA alone had adult worm burdens reduced by 48.3% and that a further decrease in adult worm burdens was not seen in the group vaccinated with SjCTPI DNA in conjunction with IL-12 (46.2% reduction). The SjCTPI DNA vaccines had a more pronounced effect on reducing female worm burdens i.e. 53.6% SjCTPI alone and 59.6% for SjCTPI+IL-12. Vaccination with SjCTPI-DNA reduced liver eggs by 49.4% and this response was significantly enhanced by the addition of IL-12 (65.8% reduction in liver eggs). In addition to the dramatic protective effects seen in vaccinated pigs, we also noted that granuloma size was reduced by 42% in both groups. Thus, vaccination of pigs and other large animals in China with SjCTPI DNA vaccine will likely reduce transmission by reducing adult worm burdens and worm egg output and simultaneously reduce hepatic egg-associated pathology.
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Affiliation(s)
- Y Zhu
- Jiangsu Institute of Parasitic Diseases, Wuxi, Jiangsu 214064, PR China.
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248
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Vallabhaneni R, Wang Y, Zhang X, Yuan Y, Peng X, Yin X, Billiar T. Up-regulation of the pro-death protein fadd requires caspase-8 activation and bid cleavage in hepatocytes. J Surg Res 2006. [DOI: 10.1016/j.jss.2005.11.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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249
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Shekhah O, Busse C, Bashir A, Turcu F, Yin X, Cyganik P, Birkner A, Schuhmann W, Wöll C. Electrochemically deposited Pd islands on an organic surface: the presence of Coulomb blockade in STM I(V) curves at room temperature. Phys Chem Chem Phys 2006; 8:3375-8. [PMID: 16855713 DOI: 10.1039/b606488d] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Palladium islands with a thickness of a few monolayers were deposited on top of a self-assembled monolayer (SAM) fabricated from 4-mercaptopyridine. In the I(V) curves obtained using the scanning tunneling microscope (STM) clearly the signature of Coulomb blockade is observed, explicitly demonstrating that these islands are coupled to the underlying gold substrate only via a tunneling barrier; this spectroscopic feature also allows to distinguish the palladium islands from similar morphological features present on the gold substrate prior to palladium deposition.
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Affiliation(s)
- O Shekhah
- Lehrstuhl für Physikalische Chemie I, Ruhr-Universität Bochum, D-44780, Bochum, Germany
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250
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Wang Y, Meyer B, Yin X, Kunat M, Langenberg D, Traeger F, Birkner A, Wöll C. Hydrogen induced metallicity on the ZnO(1010) surface. Phys Rev Lett 2005; 95:266104. [PMID: 16486375 DOI: 10.1103/physrevlett.95.266104] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2005] [Indexed: 05/06/2023]
Abstract
Exposure of the mixed-terminated surface to atomic hydrogen at room temperature is found to lead to drastic changes of the electrical properties. The insulator surface is found to become metallic. By employing several experimental techniques (electron energy loss spectroscopy, He-atom scattering, and scanning tunneling microscopy) together with ab initio electronic structure calculations we demonstrate that a low-temperature (1 x 1) phase with two H atoms in the unit cell transforms upon heating to another (1 x 1) phase with only one H atom per unit cell. The odd number of electrons added to the surface per unit cell gives rise to partially filled surface states and thus a metallization of the surface.
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Affiliation(s)
- Y Wang
- Lehrstuhl für Physikalische Chemie I, Ruhr-Universität Bochum, Germany
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