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Razanamahery J, Samson M, Guy J, Francois S, Emile J, Cohen Aubart F, Papo M, Haroche J, Audia S, Bonnotte B. La répartition des sous-populations monocytaire dans l’histiocytose est proche de la leucémie myélomonocytaire chronique, est corrélée au phénotype et à l’activité de la maladie. Rev Med Interne 2021. [DOI: 10.1016/j.revmed.2021.10.289] [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: 11/29/2022]
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Bousquet J, Akdis CA, Jutel M, Bachert C, Klimek L, Agache I, Ansotegui IJ, Bedbrook A, Bosnic‐Anticevich S, Canonica GW, Chivato T, Cruz AA, Czarlewski W, Del Giacco S, Du H, Fonseca JA, Gao Y, Haahtela T, Hoffmann‐Sommergruber K, Ivancevich J, Khaltaev N, Knol EF, Kuna P, Larenas‐Linnemann D, Mullol J, Naclerio R, Ohta K, Okamoto Y, O’Mahony L, Onorato GL, Papadopoulos NG, Pfaar O, Samolinski B, Schwarze J, Toppila‐Salmi S, Ventura MT, Valiulis A, Yorgancioglu A, Zuberbier T, Pawankar R, Mubeccel A, Mona A, Emilio AC, Hasan A, Cristina AM, Zeinab A, Mostafa BE, Sergio B, Cristina B, Eric B, Bianca B, Elisabeth B, Larl‐Christian B, David B, Leif B, Attilio B, Sergio B, isabelle B, Jacques B, Louis‐Philippe B, Fulvio B, Christopher B, Roland B, Carmen B, Andrew B, William B, Fernan C, Davide C, Silvia C, Paulo C, Walter C, Vicky C, Kai‐Hakon C, Warner C, Thomas C, Lorenzo C, Alfonso CM, Niels C, Ekaterine C, George C, Derek C, Cemal C, Giorgio C, Ieva C, Sousa Jaime CD, del Carmen CD, André C, Linda C, Alvaro C, Adnan C, Ulf D, Frédéric DB, Diana D, Pascal D, Philippe D, Alain D, Ratko D, Maria DCT, Dejan D, Ruta D, Stephen D, Patrik E, Yehia E, Regina E, Bieren Julia E, Alessandro F, Wytske F, Mina G, Luis GRJ, Bilun G, Sonya G, José G, Maximiliano G, Maia G, Ineta G, Marta G, Antonieta GM, Adnan H, Elham H, Jonathan H, Martin H, Yunuen HV, Guido I, Carla I, Zhanat I, Edgardo J, Ewa J, Erika J, Sebastian J, Guy J, Ki‐Suck J, Jocelyne J, Igor K, Omer K, Fuat K, Przemyslaw K, Jussi K, Jorg K, Gerard K, Marek K, Mikael K, Violeta K, Amir L, Susanne L, Lan L, Marcus L, Michael L, Jing L, Philip L, Brian L, Karin LC, Bassam M, Mika M, Hans‐Jorgen M, Gailen M, Pedro M, Mohammad M, Juan‐José M, Cem M, Erik M, Eli M, Hans M, Jean‐Pierre M, Florin M, Neven M, Branislava M, Yousser M, Mathieu M, Mario M, Ralph M, Lars M, Antonella M, Tihomir M, Alla N, Leyla N, Kristof N, Laurent N, Robyn O, Kimihiro O, Brian O, Luigi PP, Isabella P, Petr P, Nilos P, Sim PH, Ruby P, Ana P, Bernard P, Constantinos P, Davor P, Wolfgang P, Todor P, Fabienne P, Paul P, Lars P, Emmanuel P, Claus R, Stella RM, Janet R, José Angelo R, Graham R, Nicolas R, Antonino R, Jose R, Nelson R, Lanny R, Philip R, Dermot R, Mario S, Joaquin S, Glenis S, Elie S, Nikolaos S, Estelle S, Juan‐Carlos S, Dirceu S, Talant S, Manuel S, Cristiana S, Rafael S, Timo S, Charlotte SU, Carel T, Peter‐Valentin T, Massimo T, Ioana T, Marilyn UP, Erkka V, Eric VG, Marianne VH, Olivier V, Petra V, Martin W, Dana W, Yun WD, Susan W, Magnus W, Dennis W, Barbara Y, Arzu Y, Osman Y, Mario Z, Mihaela Z. Intranasal corticosteroids in allergic rhinitis in COVID-19 infected patients: An ARIA-EAACI statement. Allergy 2020; 75:2440-2444. [PMID: 32233040 DOI: 10.1111/all.14302] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 03/27/2020] [Indexed: 01/02/2023]
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Baseggio L, Debliquis A, Jacob M, Bouyer S, Bennani H, Chapuis N, Garnache Ottou F, Genevieve F, Guy J, Harrivel V, Letestu R, Mayeur-Rousse C, Drenou B. MULTICENTRIC MFI30 STUDY: STANDARDIZATION OF CD30 EXPRESSION BY FLOW CYTOMETRY IN NON-HODGKIN LYMPHOMA. Hematol Oncol 2019. [DOI: 10.1002/hon.23_2630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- L. Baseggio
- Laboratoire d'Hématologie; Hospice Civils de Lyon/Groupement Hospitalier SUD; Pierre Benite France
| | - A. Debliquis
- Laboratoire Hématologie; Groupe Hospitalier de la Région Mulhouse Sud Alsace (GHRMSA); Mulhouse France
| | - M. Jacob
- Laboratoire Immunologie; CHU Grenoble; Grenoble France
| | - S. Bouyer
- Laboratoire de Biologie; CHU Poitiers; Poitiers France
| | - H. Bennani
- Laboratoire de Biologie; Hôpital Foch; Suresnes France
| | - N. Chapuis
- Laboratoire Hématologie; APHP-Cochin; Paris France
| | | | - F. Genevieve
- Laboratoire Hématologie/Institut de Biologie/Cytométrie en Flux; CH Angers; Angers France
| | - J. Guy
- Laboratoire Hématologie/Plateforme de Cytométrie; CHU-Dijon; Dijon France
| | - V. Harrivel
- Centre de Biologie Humaine; CHU Amiens; Amiens France
| | - R. Letestu
- Laboratoire Hématologie; APHP-Avicenne; Bobigny France
| | | | - B. Drenou
- Laboratoire Hématologie; Groupe Hospitalier de la Région Mulhouse Sud Alsace (GHRMSA); Mulhouse France
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De Backer G, Jankowski P, Kotseva K, Mirrakhimov E, Reiner Ž, Rydén L, Tokgözoğlu L, Wood D, De Bacquer D, De Backer G, Jankowski P, Kotseva K, Mirrakhimov E, Reiner Z, Rydén L, Tokgözoğlu L, Wood D, De Bacquer D, Kotseva K, De Backer G, Abreu A, Aguiar C, Badariene J, Bruthans J, Castro Conde A, Cifkova R, Crowley J, Davletov K, Bacquer DD, De Smedt D, De Sutter J, Deckers J, Dilic M, Dolzhenko M, Druais H, Dzerve V, Erglis A, Fras Z, Gaita D, Gotcheva N, Grobbee D, Gyberg V, Hasan Ali H, Heuschmann P, Hoes A, Jankowski P, Lalic N, Lehto S, Lovic D, Maggioni A, Mancas S, Marques-Vidal P, Mellbin L, Miličić D, Mirrakhimov E, Oganov R, Pogosova N, Reiner Ž, Rydén L, Stagmo M, Störk S, Sundvall J, Tokgözoğlu L, Tsioufis K, Vulic D, Wood D, Wood D, Kotseva K, Jennings C, Adamska A, Adamska S, Rydén L, Mellbin L, Tuomilehto J, Schnell O, Druais H, Fiorucci E, Glemot M, Larras F, Missiamenou V, Maggioni A, Taylor C, Ferreira T, Lemaitre K, Bacquer DD, De Backer G, Raman L, Sundvall J, DeSmedt D, De Sutter J, Willems A, De Pauw M, Vervaet P, Bollen J, Dekimpe E, Mommen N, Van Genechten G, Dendale P, Bouvier C, Chenu P, Huyberechts D, Persu A, Dilic M, Begic A, Durak Nalbantic A, Dzubur A, Hadzibegic N, Iglica A, Kapidjic S, Osmanagic Bico A, Resic N, Sabanovic Bajramovic N, Zvizdic F, Vulic D, Kovacevic-Preradovic T, Popovic-Pejicic S, Djekic D, Gnjatic T, Knezevic T, Kovacevic-Preradovic T, Kos L, Popovic-Pejicic S, Stanetic B, Topic G, Gotcheva N, Georgiev B, Terziev A, Vladimirov G, Angelov A, Kanazirev B, Nikolaeva S, Tonkova D, Vetkova M, Milicic D, Reiner Ž, Bosnic A, Dubravcic M, Glavina M, Mance M, Pavasovic S, Samardzic J, Batinic T, Crljenko K, Delic-Brkljacic D, Dula K, Golubic K, Klobucar I, Kordic K, Kos N, Nedic M, Olujic D, Sedinic V, Blazevic T, Pasalic A, Percic M, Sikic J, Bruthans J, Cífková R, Hašplová K, Šulc P, Wohlfahrt P, Mayer O, Cvíčela M, Filipovský J, Gelžinský J, Hronová M, Hasan-Ali H, Bakery S, Mosad E, Hamed H, Ibrahim A, Elsharef M, Kholef E, Shehata A, Youssef M, Elhefny E, Farid H, Moustafa T, Sobieh M, Kabil H, Abdelmordy A, Lehto S, Kiljander E, Kiljander P, Koukkunen H, Mustonen J, Cremer C, Frantz S, Haupt A, Hofmann U, Ludwig K, Melnyk H, Noutsias M, Karmann W, Prondzinsky R, Herdeg C, Hövelborn T, Daaboul A, Geisler T, Keller T, Sauerbrunn D, Walz-Ayed M, Ertl G, Leyh R, Störk S, Heuschmann P, Ehlert T, Klocke B, Krapp J, Ludwig T, Käs J, Starke C, Ungethüm K, Wagner M, Wiedmann S, Tsioufis K, Tolis P, Vogiatzi G, Sanidas E, Tsakalis K, Kanakakis J, Koutsoukis A, Vasileiadis K, Zarifis J, Karvounis C, Crowley J, Gibson I, Houlihan A, Kelly C, O'Donnell M, Bennati M, Cosmi F, Mariottoni B, Morganti M, Cherubini A, Di Lenarda A, Radini D, Ramani F, Francese M, Gulizia M, Pericone D, Davletov K, Aigerim K, Zholdin B, Amirov B, Assembekov B, Chernokurova E, Ibragimova F, Kodasbayev A, Markova A, Mirrakhimov E, Asanbaev A, Toktomamatov U, Tursunbaev M, Zakirov U, Abilova S, Arapova R, Bektasheva E, Esenbekova J, Neronova K, Asanbaev A, Baigaziev K, Toktomamatov U, Zakirov U, Baitova G, Zheenbekov T, Erglis A, Andrejeva T, Bajare I, Kucika G, Labuce A, Putane L, Stabulniece M, Dzerve V, Klavins E, Sime I, Badariene J, Gedvilaite L, Pečiuraite D, Sileikienė V, Skiauteryte E, Solovjova S, Sidabraite R, Briedis K, Ceponiene I, Jurenas M, Kersulis J, Martinkute G, Vaitiekiene A, Vasiljevaite K, Veisaite R, Plisienė J, Šiurkaitė V, Vaičiulis Ž, Jankowski P, Czarnecka D, Kozieł P, Podolec P, Nessler J, Gomuła P, Mirek-Bryniarska E, Bogacki P, Wiśniewski A, Pająk A, Wolfshaut-Wolak R, Bućko J, Kamiński K, Łapińska M, Paniczko M, Raczkowski A, Sawicka E, Stachurska Z, Szpakowicz M, Musiał W, Dobrzycki S, Bychowski J, Kosior D, Krzykwa A, Setny M, Kosior D, Rak A, Gąsior Z, Haberka M, Gąsior Z, Haberka M, Szostak-Janiak K, Finik M, Liszka J, Botelho A, Cachulo M, Sousa J, Pais A, Aguiar C, Durazzo A, Matos D, Gouveia R, Rodrigues G, Strong C, Guerreiro R, Aguiar J, Abreu A, Cruz M, Daniel P, Morais L, Moreira R, Rosa S, Rodrigues I, Selas M, Gaita D, Mancas S, Apostu A, Cosor O, Gaita L, Giurgiu L, Hudrea C, Maximov D, Moldovan B, Mosteoru S, Pleava R, Ionescu M, Parepa I, Pogosova N, Arutyunov A, Ausheva A, Isakova S, Karpova A, Salbieva A, Sokolova O, Vasilevsky A, Pozdnyakov Y, Antropova O, Borisova L, Osipova I, Lovic D, Aleksic M, Crnokrak B, Djokic J, Hinic S, Vukasin T, Zdravkovic M, Lalic N, Jotic A, Lalic K, Lukic L, Milicic T, Macesic M, Stanarcic Gajovic J, Stoiljkovic M, Djordjevic D, Kostic S, Tasic I, Vukovic A, Fras Z, Jug B, Juhant A, Krt A, Kugonjič U, Chipayo Gonzales D, Gómez Barrado J, Kounka Z, Marcos Gómez G, Mogollón Jiménez M, Ortiz Cortés C, Perez Espejo P, Porras Ramos Y, Colman R, Delgado J, Otero E, Pérez A, Fernández-Olmo M, Torres-LLergo J, Vasco C, Barreñada E, Botas J, Campuzano R, González Y, Rodrigo M, de Pablo C, Velasco E, Hernández S, Lozano C, González P, Castro A, Dalmau R, Hernández D, Irazusta F, Vélez A, Vindel C, Gómez-Doblas J, García Ruíz V, Gómez L, Gómez García M, Jiménez-Navarro M, Molina Ramos A, Marzal D, Martínez G, Lavado R, Vidal A, Rydén L, Boström-Nilsson V, Kjellström B, Shahim B, Smetana S, Hansen O, Stensgaard-Nake E, Deckers J, Klijn A, Mangus T, Peters R, Scholte op Reimer W, Snaterse M, Aydoğdu S, Ç Erol, Otürk S, Tulunay Kaya C, Ahmetoğlu Y, Ergene O, Akdeniz B, Çırgamış D, Akkoyun H Kültürsay S, Kayıkçıoğlu M, Çatakoğlu A, Çengel A, Koçak A, Ağırbaşlı M, Açıksarı G, Çekin M, Tokgözoğlu L, Kaya E, Koçyiğit D, Öngen Z, Özmen E, Sansoy V, Kaya A, Oktay V, Temizhan A, Ünal S, İ Yakut, Kalkan A, Bozkurt E, Kasapkara H, Dolzhenko M, Faradzh C, Hrubyak L, Konoplianyk L, Kozhuharyova N, Lobach L, Nesukai V, Nudchenko O, Simagina T, Yakovenko L, Azarenko V, Potabashny V, Bazylevych A, Bazylevych M, Kaminska K, Panchenko L, Shershnyova O, Ovrakh T, Serik S, Kolesnik T, Kosova H, Wood D, Adamska A, Adamska S, Jennings C, Kotseva K, Hoye P Atkin A, Fellowes D, Lindsay S, Atkinson C, Kranilla C, Vinod M, Beerachee Y, Bennett C, Broome M, Bwalya A, Caygill L, Dinning L, Gillespie A, Goodfellow R, Guy J, Idress T, Mills C, Morgan C, Oustance N, Singh N, Yare M, Jagoda J, Bowyer H, Christenssen V, Groves A, Jan A, Riaz A, Gill M, Sewell T, Gorog D, Baker M, De Sousa P, Mazenenga T, Porter J, Haines F, Peachey T, Taaffe J, Wells K, Ripley D, Forward H, McKie H, Pick S, Thomas H, Batin P, Exley D, Rank T, Wright J, Kardos A, Sutherland SB, Wren L, Leeson P, Barker D, Moreby B, Sawyer J, Stirrup J, Brunton M, Brodison A, Craig J, Peters S, Kaprielian R, Bucaj A, Mahay K, Oblak M, Gale C, Pye M, McGill Y, Redfearn H, Fearnley M. Management of dyslipidaemia in patients with coronary heart disease: Results from the ESC-EORP EUROASPIRE V survey in 27 countries. Atherosclerosis 2019; 285:135-146. [DOI: 10.1016/j.atherosclerosis.2019.03.014] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 02/22/2019] [Accepted: 03/19/2019] [Indexed: 12/16/2022]
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Guy J, O'Kane E, Eggleton A. Steroids, atosiban and pulmonary oedema: are or may be a cause? Int J Obstet Anesth 2018; 34:115. [PMID: 29602690 DOI: 10.1016/j.ijoa.2018.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 03/05/2018] [Accepted: 03/11/2018] [Indexed: 10/17/2022]
Affiliation(s)
- J Guy
- Department of Anaesthesia, Ulster Hospital, Dundonald, Northern Ireland, United Kingdom
| | - E O'Kane
- Department of Anaesthesia, Ulster Hospital, Dundonald, Northern Ireland, United Kingdom
| | - A Eggleton
- Department of Anaesthesia, Ulster Hospital, Dundonald, Northern Ireland, United Kingdom.
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Espenel S, Garcia M, Trone J, Langrand-Escure J, Guy J, Vallard A, Rancoule C, Ben Mrad M, Chauleur C, de Laroche G, Magné N. Cancers du col utérin localement évolués de stades IB2 à IIIB : une expérience mono-institutionnelle. Cancer Radiother 2016. [DOI: 10.1016/j.canrad.2016.08.050] [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: 11/29/2022]
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Lagrand-Escure J, Diao P, Vallard A, Garcia M, Espenel S, Guy J, Trone J, Wang G, Rancoule C, Magné N. Radiothérapie externe et cancer rectal : facteurs prédictifs de survie et réponse histologique. Cancer Radiother 2016. [DOI: 10.1016/j.canrad.2016.08.040] [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: 10/21/2022]
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Langrand-Escure J, Diao P, Vallard A, Garcia M, Espenel S, Guy J, Trone J, Ben Mrad M, Rancoule C, Magné N. Cancer du rectum métastatique synchrone : la radiothérapie au service du contrôle local. Cancer Radiother 2016. [DOI: 10.1016/j.canrad.2016.08.041] [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: 11/27/2022]
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Guy J, Méry B, Rancoule C, Vallard A, Espenel S, Wozny A, Ardail D, Alphonse G, Rodriguez-Lafrasse C, Magné N. Ciblage de la famille HER dans les cancers ORL : efficacité biologique de l’association de cétuximab et de pertuzumab combinée à l’irradiation photonique. Cancer Radiother 2016. [DOI: 10.1016/j.canrad.2016.08.078] [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: 11/24/2022]
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Mosher J, Guy J, Kessler R, Astier P, Marriner J, Betoule M, Sako M, El-Hage P, Biswas R, Pain R, Kuhlmann S, Regnault N, Frieman JA, Schneider DP. COSMOLOGICAL PARAMETER UNCERTAINTIES FROM SALT-II TYPE IA SUPERNOVA LIGHT CURVE MODELS. ACTA ACUST UNITED AC 2014. [DOI: 10.1088/0004-637x/793/1/16] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Guy J, Mottron L, Bertone A. The role of development in locally-oriented visual perception: an investigation spatial contrast sensitivity in Autism Spectrum Disorder. J Vis 2014. [DOI: 10.1167/14.10.674] [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: 11/24/2022] Open
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Chihib N, Guy J, Coucheney F, Guez J, Coutte F, Béchet M, Jacques P. Engineering of Bacillus subtilis physiological functionalities towards the production of mycosubtilin anteiso-C17. N Biotechnol 2012. [DOI: 10.1016/j.nbt.2012.08.222] [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: 11/29/2022]
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Guy J, Morin K, Habak C, Wilson HR, Mottron L, Bertone A. Face Perception in School-Aged Children with Autism: A Look at Visual Processing Strategies. J Vis 2012. [DOI: 10.1167/12.9.1354] [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: 11/24/2022] Open
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Leinonen I, Williams A, Wiseman J, Guy J, Kyriazakis I. Predicting the environmental impacts of chicken systems in the United Kingdom through a life cycle assessment: Broiler production systems. Poult Sci 2012; 91:8-25. [DOI: 10.3382/ps.2011-01634] [Citation(s) in RCA: 116] [Impact Index Per Article: 9.7] [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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Leinonen I, Williams A, Wiseman J, Guy J, Kyriazakis I. Predicting the environmental impacts of chicken systems in the United Kingdom through a life cycle assessment: Egg production systems. Poult Sci 2012; 91:26-40. [DOI: 10.3382/ps.2011-01635] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [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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Harrington D, Robinson K, Guy J, Sparagano O. Characterization of the immunological response to Dermanyssus gallinae infestation in domestic fowl. Transbound Emerg Dis 2010; 57:107-10. [PMID: 20537120 DOI: 10.1111/j.1865-1682.2010.01109.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dermanyssus gallinae is a haematophagous ectoparasite of birds, which adversely affects both production and welfare of commercial poultry. Poultry in commercial production systems chronically exposed to D. gallinae do not appear to develop immunity to the mite. The objective of the current study was to determine the initial immune response of domestic fowl following exposure to D. gallinae. Two groups of birds (11 birds/group) had mite chambers secured to their backs. Controls received no mites, while infested birds received 200 unfed female D. gallinae on day 0 which were then removed on day 1 or 2. Spleen samples were collected on days -1, 1, 2 and 5. The expression of Th1 (IFNgamma, CXCLi2, IL6 and IL18), Th2 (IL4, IL10 and IL13) cytokines/chemokines normalized against a reference gene, GAPDH, were determined by semi-quantitative RT-PCR. Although there were no significant differences between treatments, numerical trends were observed. Th2 cytokine expression was not detected in any birds on any day. IL6, CXCLi2, IFNgamma and IL18 expression was increased on day 1 in the infested group, while on day 2 CXCLi2 and IFNgamma were lower and IL6 and IL18 levels were similar between treatments. The IL18 expression was similar between treatments on day 5, while IL6 and IFNgamma levels were increased and CXCLi2 expression was decreased in the infested group. Data suggest that D. gallinae feeding stimulates Th1 and pro-inflammatory cytokines/chemokines initially (day 1) followed by their subsequent down regulation. This study is the first report of the characterization of the immunological response of the domestic fowl to controlled numbers of D. gallinae.
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Affiliation(s)
- D Harrington
- School of Agriculture, Food and Rural Development, Newcastle University, UK
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Zajac IT, Whibley AH, Cole SR, Byrne D, Guy J, Morcom J, Young GP. Endorsement by the primary care practitioner consistently improves participation in screening for colorectal cancer: a longitudinal analysis. J Med Screen 2010; 17:19-24. [PMID: 20356941 DOI: 10.1258/jms.2010.009101] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To investigate the effect of general practice (GP) and general practitioner (GPR) endorsement for faecal occult blood test (FOBT)-based screening on maintenance of participation in screening over four successive screening rounds. SETTING South Australian residents aged > or = 50 years. METHODS Random selection of four groups (n = 600 per group): one from the Commonwealth electoral roll (ER) and three from the combined patient lists of two collaborating GPs (GP1, GP2, GP3). Subjects were mailed offers to screen using a faecal immunochemical test over four successive rounds, spaced approximately 18 months apart. The GP1 and ER groups were invited to screen without any endorsement from a GPR or medical practice; GP2 invitees received an invitation indicating support for screening from their medical practice; and GP3 invitations were printed on practice letterhead and were signed by a GPR. RESULTS Multivariate analyses indicated that initial participation as well as re-participation over four successive rounds was significantly enhanced in the GP2 (39%, 42%, 45% and 44%) and GP3 groups (42%, 47%, 48% and 49%) relative to the ER group (33%, 37%, 40% and 36%). The analyses also indicated that 60-69 year olds were most likely to participate in all rounds (relative risk [RR] 1.49, 1.39, 1.43 and 1.25), and men were generally less likely to participate than women in all screening rounds (RR 0.86, 0.84, 0.80 and 0.83). CONCLUSIONS Associating a GPR or medical practice of recent contact with an invitation to screen achieves better participation and re-participation than does an invitation from a centralized screening unit. Furthermore, enhanced participation can be achieved by practice endorsement alone without requiring actual GPR involvement.
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Affiliation(s)
- I T Zajac
- Department of Medicine, Flinders University, Bedford Park, 5042, Australia.
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18
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Audia S, Lakomy D, Guy J, Leguy-Seguin V, Berthier S, Aho S, Lorcerie B, Bonnotte B. Traitement du purpura thrombopénique immunologique : étude rétrospective de 40 patients. Rev Med Interne 2010; 31:337-44. [DOI: 10.1016/j.revmed.2009.11.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2009] [Revised: 10/06/2009] [Accepted: 11/25/2009] [Indexed: 01/06/2023]
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19
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Callier P, Faivre L, Marle N, Thauvin-Robinet C, Guy J, Mosca AL, D'Athis P, Masurel-Paulet A, Assous D, Teyssier JR, Huet F, Mugneret F. Detection of an interstitial 3q21.1-q21.3 deletion in a child with multiple congenital abnormalities, mental retardation, pancytopenia, and myelodysplasia. Am J Med Genet A 2009; 149A:1323-6. [PMID: 19449416 DOI: 10.1002/ajmg.a.32857] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- P Callier
- Département de Génétique, Hôpital Le Bocage, Dijon, France.
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20
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Callier P, Faivre L, Thauvin-Robinet C, Marle N, Mosca AL, D'Athis P, Guy J, Masurel-Paulet A, Joly L, Guiraud S, Teyssier JR, Huet F, Mugneret F. Array-CGH in a series of 30 patients with mental retardation, dysmorphic features, and congenital malformations detected an interstitial 1p22.2-p31.1 deletion in a patient with features overlapping the Goldenhar syndrome. Am J Med Genet A 2008; 146A:2109-15. [PMID: 18629884 DOI: 10.1002/ajmg.a.32447] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Genosensor Array 300 (Abbott) is a multiplex platform for array-based comparative genomic hybridization that detects unbalanced genomic aberrations including whole chromosome gains/losses, microdeletions, duplications and unbalanced subtelomeric rearrangements. A series of 30 patients with unexplained mental retardation, dysmorphic features, congenital abnormalities and normal high resolution karyotype and FISH subtelomeric studies were analyzed using Genosensor Array 300 array-CGH. We identified a chromosomal aberration in one patient with an interstitial 1p31.1 deletion. FISH analysis with BACs specific probes of the 1p region confirmed the interstitial 1p22.2-p31.1 deletion. The patient was a 20-year-old man with short stature, facial dysmorphism including asymmetry, scoliosis, severe psychomotor delay and an epibulbar dermoid cyst. The phenotype was compatible with Goldenhar syndrome despite the absence of asymmetric ears. This observation is of interest since it could be a clue in the search for the genes responsible for Goldenhar syndrome. This study demonstrates the utility of the array-CGH technology in detecting interstitial deletions.
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Affiliation(s)
- P Callier
- Département de Génétique, Hôpital Le Bocage, Dijon, France.
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21
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Park DSW, Hupert ML, Witek MA, You BH, Datta P, Guy J, Lee JB, Soper SA, Nikitopoulos DE, Murphy MC. A titer plate-based polymer microfluidic platform for high throughput nucleic acid purification. Biomed Microdevices 2008; 10:21-33. [PMID: 17659445 DOI: 10.1007/s10544-007-9106-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.6] [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: 10/23/2022]
Abstract
A 96-well solid-phase reversible immobilization (SPRI) reactor plate was designed to demonstrate functional titer plate-based microfluidic platforms. Nickel, large area mold inserts were fabricated using an SU-8 based, UV-LIGA technique on 150 mm diameter silicon substrates. Prior to UV exposure, the prebaked SU-8 resist was flycut to reduce the total thickness variation to less than 5 mum. Excellent UV lithography results, with highly vertical sidewalls, were obtained in the SU-8 by using an UV filter to remove high absorbance wavelengths below 350 nm. Overplating of nickel in the SU-8 patterns produced high quality, high precision, metal mold inserts, which were used to replicate titer plate-based SPRI reactors using hot embossing of polycarbonate (PC). Optimized molding conditions yielded good feature replication fidelity and feature location integrity over the entire surface area. Thermal fusion bonding of the molded PC chips at 150 degrees C resulted in leak-free sealing, which was verified in leakage tests using a fluorescent dye. The assembled SPRI reactor was used for simple, fast purification of genomic DNA from whole cell lysates of several bacterial species, which was verified by PCR amplification of the purified genomic DNA.
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Affiliation(s)
- D S-W Park
- Center for Bio-Modular Multi-Scale Systems, Louisiana State University, Baton Rouge, LA 70803, USA
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22
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Aharonian FA, Akhperjanian AG, Aye KM, Bazer-Bachi AR, Beilicke M, Benbow W, Berge D, Berghaus P, Bernlöhr K, Bolz O, Boisson C, Borgmeier C, Breitling F, Brown AM, Gordo JB, Chadwick PM, Chitnis VR, Chounet LM, Cornils R, Costamante L, Degrange B, Djannati-Ataï A, Drury LO, Ergin T, Espigat P, Feinstein F, Fleury P, Fontaine G, Funk S, Gallant YA, Giebels B, Gillessen S, Goret P, Guy J, Hadjichristidis C, Hauser M, Heinzelmann G, Henri G, Hermann G, Hinton JA, Hofmann W, Holleran M, Horns D, De Jager OC, Jung I, Khélifi B, Komin N, Konopelko A, Latham IJ, Le Gallou R, Lemoine M, Lemière A, Leroy N, Lohse T, Marcowith A, Masterson C, McComb TJL, De Naurois M, Nolan SJ, Noutsos A, Orford KJ, Osborne JL, Ouchrif M, Panter M, Pelletier G, Pita S, Pohl M, Pühlhofer G, Punch M, Raubenheimer BC, Raue M, Raux J, Rayner SM, Redondo I, Reimer A, Reimer O, Ripken J, Rivoal M, Rob L, Rolland L, Rowell G, Sahakian V, Saugé L, Schlenker S, Schlickeiser R, Schuster C, Schwanke U, Siewert M, Sol H, Steenkamp R, Stegmann C, Tavernet JP, Théoret CG, Tluczykont M, Van Der Walt DJ, Vasileiadis G, Vincent P, Visser B, Völk HJ, Wagner SJ. High-energy particle acceleration in the shell of a supernova remnant. Nature 2004; 432:75-7. [PMID: 15525982 DOI: 10.1038/nature02960] [Citation(s) in RCA: 408] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2004] [Accepted: 08/17/2004] [Indexed: 11/09/2022]
Abstract
A significant fraction of the energy density of the interstellar medium is in the form of high-energy charged particles (cosmic rays). The origin of these particles remains uncertain. Although it is generally accepted that the only sources capable of supplying the energy required to accelerate the bulk of Galactic cosmic rays are supernova explosions, and even though the mechanism of particle acceleration in expanding supernova remnant (SNR) shocks is thought to be well understood theoretically, unequivocal evidence for the production of high-energy particles in supernova shells has proven remarkably hard to find. Here we report on observations of the SNR RX J1713.7 - 3946 (G347.3 - 0.5), which was discovered by ROSAT in the X-ray spectrum and later claimed as a source of high-energy gamma-rays of TeV energies (1 TeV = 10(12) eV). We present a TeV gamma-ray image of the SNR: the spatially resolved remnant has a shell morphology similar to that seen in X-rays, which demonstrates that very-high-energy particles are accelerated there. The energy spectrum indicates efficient acceleration of charged particles to energies beyond 100 TeV, consistent with current ideas of particle acceleration in young SNR shocks.
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Affiliation(s)
- F A Aharonian
- Max-Planck-Institut für Kernphysik, PO Box 103980, D 69029 Heidelberg, Germany
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23
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Humphray SJ, Oliver K, Hunt AR, Plumb RW, Loveland JE, Howe KL, Andrews TD, Searle S, Hunt SE, Scott CE, Jones MC, Ainscough R, Almeida JP, Ambrose KD, Ashwell RIS, Babbage AK, Babbage S, Bagguley CL, Bailey J, Banerjee R, Barker DJ, Barlow KF, Bates K, Beasley H, Beasley O, Bird CP, Bray-Allen S, Brown AJ, Brown JY, Burford D, Burrill W, Burton J, Carder C, Carter NP, Chapman JC, Chen Y, Clarke G, Clark SY, Clee CM, Clegg S, Collier RE, Corby N, Crosier M, Cummings AT, Davies J, Dhami P, Dunn M, Dutta I, Dyer LW, Earthrowl ME, Faulkner L, Fleming CJ, Frankish A, Frankland JA, French L, Fricker DG, Garner P, Garnett J, Ghori J, Gilbert JGR, Glison C, Grafham DV, Gribble S, Griffiths C, Griffiths-Jones S, Grocock R, Guy J, Hall RE, Hammond S, Harley JL, Harrison ESI, Hart EA, Heath PD, Henderson CD, Hopkins BL, Howard PJ, Howden PJ, Huckle E, Johnson C, Johnson D, Joy AA, Kay M, Keenan S, Kershaw JK, Kimberley AM, King A, Knights A, Laird GK, Langford C, Lawlor S, Leongamornlert DA, Leversha M, Lloyd C, Lloyd DM, Lovell J, Martin S, Mashreghi-Mohammadi M, Matthews L, McLaren S, McLay KE, McMurray A, Milne S, Nickerson T, Nisbett J, Nordsiek G, Pearce AV, Peck AI, Porter KM, Pandian R, Pelan S, Phillimore B, Povey S, Ramsey Y, Rand V, Scharfe M, Sehra HK, Shownkeen R, Sims SK, Skuce CD, Smith M, Steward CA, Swarbreck D, Sycamore N, Tester J, Thorpe A, Tracey A, Tromans A, Thomas DW, Wall M, Wallis JM, West AP, Whitehead SL, Willey DL, Williams SA, Wilming L, Wray PW, Young L, Ashurst JL, Coulson A, Blöcker H, Durbin R, Sulston JE, Hubbard T, Jackson MJ, Bentley DR, Beck S, Rogers J, Dunham I. DNA sequence and analysis of human chromosome 9. Nature 2004; 429:369-74. [PMID: 15164053 PMCID: PMC2734081 DOI: 10.1038/nature02465] [Citation(s) in RCA: 90] [Impact Index Per Article: 4.5] [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: 12/22/2003] [Accepted: 03/08/2004] [Indexed: 11/09/2022]
Abstract
Chromosome 9 is highly structurally polymorphic. It contains the largest autosomal block of heterochromatin, which is heteromorphic in 6-8% of humans, whereas pericentric inversions occur in more than 1% of the population. The finished euchromatic sequence of chromosome 9 comprises 109,044,351 base pairs and represents >99.6% of the region. Analysis of the sequence reveals many intra- and interchromosomal duplications, including segmental duplications adjacent to both the centromere and the large heterochromatic block. We have annotated 1,149 genes, including genes implicated in male-to-female sex reversal, cancer and neurodegenerative disease, and 426 pseudogenes. The chromosome contains the largest interferon gene cluster in the human genome. There is also a region of exceptionally high gene and G + C content including genes paralogous to those in the major histocompatibility complex. We have also detected recently duplicated genes that exhibit different rates of sequence divergence, presumably reflecting natural selection.
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Affiliation(s)
- S J Humphray
- The Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, UK.
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24
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Abstract
A multi-professional project was carried out in order to identify the interventions that nurses and pharmacists make in relation to drug administration (an intervention refers to 'the process of querying a prescription with a prescriber'). The project highlights the importance of both these occupational groups in identifying prescribing errors and preventing them from being translated into actual medication errors. It also identifies the need for adequate training for nursing and medical staff, along with system changes, in order to minimize the risk of medication errors.
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25
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Guy J. Rontgen's rays and his Scottish disciples. Rep Proc Scott Soc Hist Med 2001:14-22. [PMID: 11623956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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26
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Guy J. A revealing examination paper: Ralph Bathurst and the Oxford Circle in the mid-seventeenth century. Hist Sci Med 2001; 17:130-3. [PMID: 11612275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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27
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Gallagher M, Pearson P, Drinkwater C, Guy J. Managing patient demand: a qualitative study of appointment making in general practice. Br J Gen Pract 2001; 51:280-5. [PMID: 11458480 PMCID: PMC1313977] [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: 02/20/2023] Open
Abstract
BACKGROUND Managing patients' requests for appointments is an important general practice activity. No previous research has systematically observed how patients and receptionists negotiate appointments. AIM To observe appointment making and investigate patients' and professionals' experiences of appointment negotiations. DESIGN OF STUDY A qualitative study using participant observation. SETTING Three general practices on Tyneside; a single-handed practice, a practice comprising three doctors, and a seven-doctor practice. METHOD Participant observation sessions, consisting of 35 activity recordings and 34 periods of observation and 38 patient and 15 professional interviews, were set up. Seven groups of patients were selected for interview. These included patients attending an 'open access' surgery, patients who complained about making an appointment, and patients who complimented the receptionists. RESULTS Appointment making is a complex social process. Outcomes are dependent on the process of negotiation and factors, such as patients' expectations and appointment availability. Receptionists felt that patients in employment, patients allocated to the practice by the Health Authority, and patients who did not comply with practice appointment rules were most demanding. Appointment requests are legitimised by receptionists enforcing practice rules and requesting clinical information. Patients volunteer information to provide evidence that their complaint is appropriate and employ strategies, such as persistence, assertiveness, and threats, to try and persuade receptionists to grant appointments. CONCLUSION Appointment making is a complex social process where outcomes are negotiated. Receptionists have an important role in managing patient demand. Practices should be explicit about how appointments are allocated, including publishing practice criteria.
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Affiliation(s)
- M Gallagher
- Department of Primary Care, University of Newcastle upon Tyne.
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28
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Abstract
MBD2 and MBD3 are closely related proteins with consensus methyl-CpG binding domains. MBD2 is a transcriptional repressor that specifically binds to methylated DNA and is a component of the MeCP1 protein complex. In contrast, MBD3 fails to bind methylated DNA in murine cells, and is a component of the Mi-2/NuRD corepressor complex. We show by gene targeting that the two proteins are not functionally redundant in mice, as Mbd3-/- mice die during early embryogenesis, whereas Mbd2-/- mice are viable and fertile. Maternal behavior of Mbd2-/- mice is however defective and, at the molecular level, Mbd2-/- mice lack a component of MeCP1. Mbd2-mutant cells fail to fully silence transcription from exogenous methylated templates, but inappropriate activation of endogenous imprinted genes or retroviral sequences was not detected. Despite their differences, Mbd3 and Mbd2 interact genetically suggesting a functional relationship. Genetic and biochemical data together favor the view that MBD3 is a key component of the Mi-2/NuRD corepressor complex, whereas MBD2 may be one of several factors that can recruit this complex to DNA.
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MESH Headings
- Age Factors
- Animals
- Blotting, Northern
- Blotting, Southern
- Blotting, Western
- Brain/metabolism
- Cell Line
- Cell Nucleus/metabolism
- CpG Islands
- DNA Methylation
- DNA-Binding Proteins/genetics
- DNA-Binding Proteins/metabolism
- DNA-Binding Proteins/physiology
- Embryo, Mammalian/metabolism
- Expressed Sequence Tags
- Gene Deletion
- Gene Expression Regulation, Developmental
- Genomic Imprinting
- Genotype
- Liver/metabolism
- Mice
- Mice, Inbred C57BL
- Mice, Mutant Strains
- Models, Biological
- Models, Genetic
- Plasmids/metabolism
- Promoter Regions, Genetic
- Protein Binding
- Protein Structure, Tertiary
- Spleen/metabolism
- Stem Cells/cytology
- Transcription Factors
- Transcription, Genetic
- Transfection
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Affiliation(s)
- B Hendrich
- Wellcome Trust Centre for Cell Biology, Institute of Cell and Molecular Biology, The University of Edinburgh, Michael Swann Building, The King's Buildings, Edinburgh EH9 3JR, Scotland.
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29
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Abstract
Rett syndrome (RTT) is an inherited neurodevelopmental disorder of females that occurs once in 10,000-15,000 births. Affected females develop normally for 6-18 months, but then lose voluntary movements, including speech and hand skills. Most RTT patients are heterozygous for mutations in the X-linked gene MECP2 (refs. 3-12), encoding a protein that binds to methylated sites in genomic DNA and facilitates gene silencing. Previous work with Mecp2-null embryonic stem cells indicated that MeCP2 is essential for mouse embryogenesis. Here we generate mice lacking Mecp2 using Cre-loxP technology. Both Mecp2-null mice and mice in which Mecp2 was deleted in brain showed severe neurological symptoms at approximately six weeks of age. Compensation for absence of MeCP2 in other tissues by MeCP1 (refs. 19,20) was not apparent in genetic or biochemical tests. After several months, heterozygous female mice also showed behavioral symptoms. The overlapping delay before symptom onset in humans and mice, despite their profoundly different rates of development, raises the possibility that stability of brain function, not brain development per se, is compromised by the absence of MeCP2.
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Affiliation(s)
- J Guy
- Wellcome Centre for Cell Biology, Institute of Cell and Molecular Biology, University of Edinburgh, The King's Buildings, Edinburgh, UK
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30
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Abstract
Experimental models of human diseases have affected the design and direction of both basic and clinical research into understanding the pathogenesis and treatments of demyelinating disease, stroke, and hereditary disorders of the central nervous system. However, in spite of major advances in molecular research that have linked Leber Hereditary Optic Neuropathy to mutations in mitochondrial DNA, there has been relatively little focus in applying basic scientific methodologies to optic neuropathies other than glaucoma. The relative absence of detailed scientific knowledge about the basic mechanisms involved in the pathogenesis of optic nerve injury has contributed to the use of empiric therapies for neuro-ophthalmic optic neuropathies. Over the past decade major clinical trials, such as the Optic Neuritis Treatment Trial and Ischemic Optic Neuropathy Decompression Trial, have proven that currently available treatment options for demyelinating and ischemic optic neuropathies are ineffective and can even be harmful. Although the pathogenesis of visual failure in demyelinating, ischemic, and hereditary optic neuropathies appears diverse, a final common pathway for irreparable optic nerve injury may exist. This article reviews several models of experimental optic neuropathies that may aid in the development of novel treatments for neuro-ophthalmic disorders of the optic nerve during the 21st century.
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Affiliation(s)
- J Guy
- University of Florida College of Medicine, Box 100284 Gainesville 32610-0284, Florida, USA.
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Owen R IV, Lewin AP, Peel A, Wang J, Guy J, Hauswirth WW, Stacpoole PW, Flotte TR. Recombinant adeno-associated virus vector-based gene transfer for defects in oxidative metabolism. Hum Gene Ther 2000; 11:2067-78. [PMID: 11044909 DOI: 10.1089/104303400750001381] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [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: 11/13/2022] Open
Abstract
Defects in oxidative metabolism may be caused by mutations either in nuclear genes or in mitochondrial DNA (mtDNA). We tested the hypothesis that recombinant adeno-associated virus (rAAV) could be used to complement mtDNA mutations. AAV vector constructs were designed to express the reporter gene encoding green fluorescent protein (GFP), fused to a targeting presequence that directed GFP to be translocated into mitochondria. These vectors mediated expression of mitochondrial-localized GFP, as indicated by fluorescence microscopy and electron microscopy, in respiring human embryonic kidney 293 cells and nonrespiring mtDNA-deficient (rho 0) cells. However, when sequences encoding hydrophobic segments of proteins normally encoded by mtDNA were inserted between the presequence and GFP, mitochondrial import failed to occur. In similar experiments, a fusion was created between pyruvate dehydrogenase (PDH) E1 alpha subunit, a nuclear-encoded mitochondrial gene with its own targeting presequence, and GFP. With this construct, expression of GFP was observed in mitochondria in vitro and in vivo. We conclude that the hydrophobicity of mtDNA-encoded proteins limits their ability to be transported from the cytoplasm. However, rAAV-based gene therapy may hold promise for gene therapy of PDH deficiency, the most common biochemically proven cause of congenital lactic acidosis.
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Affiliation(s)
- I V Owen R
- Department of Pediatrics, University of Florida, Gainesville, FL 32610, USA
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32
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Guy J, Spalluto C, McMurray A, Hearn T, Crosier M, Viggiano L, Miolla V, Archidiacono N, Rocchi M, Scott C, Lee PA, Sulston J, Rogers J, Bentley D, Jackson MS. Genomic sequence and transcriptional profile of the boundary between pericentromeric satellites and genes on human chromosome arm 10q. Hum Mol Genet 2000; 9:2029-42. [PMID: 10942432 DOI: 10.1093/hmg/9.13.2029] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [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: 11/12/2022] Open
Abstract
The organization of centromeric heterochromatin has been established in a number of eucaryotes but remains poorly defined in human. Here we present 1025 kb of contiguous human genomic sequence which links pericentromeric satellites to the RET proto-oncogene in 10q11.2 and is presumed to span the transition from centric heterochromatin to euchromatin on this chromosome arm. Two distinct domains can be defined within the sequence. The proximal approximately 240 kb consists of arrays of satellites and other tandem repeats separated by tracts of complex sequence which have evolved by pericentromeric-directed duplication. Analysis of 32 human paralogues of these sequences indicates that most terminate at or within repeat arrays, implicating these repeats in the interchromosomal duplication process. Corroborative PCR-based analyses establish a genome-wide correlation between the distribution of these paralogues and the distribution of satellite families present in 10q11. In contrast, the distal approximately 780 kb contains few tandem repeats and is largely chromosome specific. However, a minimum of three independent intrachromosomal duplication events have resulted in >370 kb of this sequence sharing >90% identity with sequences on 10p. Using computer-based analyses and RT-PCR we confirm the presence of three genes within the sequence, ZNF11/33B, KIAA0187 and RET, in addition to five transcripts of unknown structure. All of these transcribed sequences map distal to the satellite arrays. The boundary between satellite-rich interchromosomally duplicated DNA and chromosome-specific DNA therefore appears to define a transition from pericentromeric heterochromatin to euchromatin on the long arm of this chromosome.
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MESH Headings
- Centromere/genetics
- Centromere/metabolism
- Chromosomes, Artificial, Yeast
- Chromosomes, Human, Pair 10/genetics
- DNA, Satellite/genetics
- DNA, Satellite/metabolism
- Drosophila Proteins
- Electrophoresis, Gel, Pulsed-Field
- Heterochromatin/genetics
- Heterochromatin/metabolism
- Humans
- Hybrid Cells
- Molecular Sequence Data
- Proto-Oncogene Mas
- Proto-Oncogene Proteins/genetics
- Proto-Oncogene Proteins/metabolism
- Proto-Oncogene Proteins c-ret
- Receptor Protein-Tyrosine Kinases/genetics
- Receptor Protein-Tyrosine Kinases/metabolism
- Restriction Mapping
- Reverse Transcriptase Polymerase Chain Reaction
- Sequence Analysis, DNA
- Transcription, Genetic
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Affiliation(s)
- J Guy
- Human Genetics Unit, School of Biochemistry and Genetics, University of Newcastle upon Tyne, UK
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33
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Abstract
OBJECTIVE To determine if adenoviral-mediated transfer of the gene for catalase (CAT), the reactive oxygen species scavenger, suppresses experimental optic neuritis. CLINICAL RELEVANCE Gene therapy with CAT delivered by an adeno-associated viral vector was previously shown to suppress experimental optic neuritis. Because the transduction of protein expression with recombinant adeno-associated viral vector is relatively slow, taking weeks to reach full levels, we studied the effects of replication-deficient adenovirus containing CAT in suppressing experimental optic neuritis. Transduction with adenovirus occurs within days of inoculation, thus, it may be more applicable for the treatment of patients with acute optic neuritis. MATERIALS AND METHODS Replication-deficient adenovirus containing CAT was injected above the right optic nerve heads of SJL/J mice that were simultaneously sensitized for experimental allergic encephalomyelitis. For controls, the left eyes were injected with the replication-deficient adenovirus without CAT or no virus. The histological effects of CAT on the lesions of experimental allergic encephalomyelitis were measured by computerized analysis of the myelin sheath area (for demyelination), optic disc area (for optic nerve head swelling), the extent of the cellular infiltrate, extravasated serum albumin labeled with immunogold (for disruption of the blood-brain barrier), and the in vivo hydrogen peroxide reaction product. RESULTS After 1 month, cell-specific catalase activity, evaluated by the quantitation of catalase immunogold, was increased about 2-fold each in endothelia, oligodendroglia, astrocytes, and axons of the CAT-inoculated right optic nerves compared with the control left optic nerves. The increased cellular levels of catalase reduced demyelination by 30%, optic nerve head swelling by 25%, cellular infiltration by 26%, disruption of the blood-brain barrier by 61%, and in vivo levels of hydrogen peroxide by 81%. CONCLUSIONS Adenoviral-mediated gene transfer increased catalase levels in all optic nerve cell types, and it persisted for 1 month after inoculation. The increased cellular levels of catalase suppressed demyelination and blood-brain barrier disruption at the foci in the optic nerve where prior magnetic resonance imaging and histopathologic studies have demonstrated the demyelinating inflammation of experimental and human optic neuritis. Together, they suggest that gene therapy with CAT may be helpful in the treatment of patients with optic neuritis.
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Affiliation(s)
- J Guy
- Department of Ophthalmology, University of Florida, College of Medicine, Gainesville, USA
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Cronk M, Reed B, Hone C, Hobbs L, Warren C, Guy J, Lord C, Sims C, Weston R. Helping women through crises in their labour. Interview by Jo Hartley. Pract Midwife 1999; 2:12-3. [PMID: 10481685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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Guy J, Qi X, Muzyczka N, Hauswirth WW. Reporter expression persists 1 year after adeno-associated virus-mediated gene transfer to the optic nerve. Arch Ophthalmol 1999; 117:929-37. [PMID: 10408459 DOI: 10.1001/archopht.117.7.929] [Citation(s) in RCA: 90] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
OBJECTIVE To determine the foci and duration of protein expression following virus-mediated gene transfer to the optic nerve. METHODS A cytomegalovirus (CMV) promoter was linked to a lacZ-SV40 polyA reporter gene or a humanized green fluorescent protein (hgfp) reporter gene, then inserted into a bacterial plasmid containing adeno-associated virus (AAV) terminal repeat sequences. The CMV-lacZ or the CMV-hgfp construct were injected into the vitreous cavity of strain-13 guinea pigs. Controls consisted of eyes injected with AAV without the promoter and reporter elements or eyes that received no injections. The eyes and optic nerves were processed for beta-galactosidase immunohistochemistry and hgfp fluorescence analyses. Cellular transduction at the messenger RNA (mRNA) level was evaluated by in situ reverse transcription-polymerase chain reaction. RESULTS Weekly fundus photography, done for 1 month, documented the absence of any ocular abnormality due to the viral injections. No in vivo hgfp fluorescence of the retina was visualized. Beta-galactosidase histochemical analysis of eye cups that received the lacZ gene construct showed blue lacZ staining of the optic nerve head at 2 weeks. Light microscopy revealed the blue beta-galactosidase reaction product in fibers, glial cells, and blood vessels of the optic nerve head and retrobulbar nerve. Histochemistry showed absence of beta-galactosidase in the optic nerve at 3 to 12 months, but immunochemistry showed the persistence of beta-galactosidase in fibers, glial cells, and blood vessels as late as 1 year after a single ocular injection. In the retina, histochemical staining showed evidence of lacZ at 3 months, but not later. In situ reverse transcription-polymerase chain reaction revealed brown lacZ mRNA reaction product in ganglion cells of the retina. Control eyes that received AAV without the promoter and reporter elements and the eyes that received no viral injections and were processed for beta-galactosidase showed no reporter gene expression in any ocular tissue or cell type. CONCLUSIONS Viral-mediated gene transfer can be successfully accomplished in the optic nerve. Further evaluation is needed to determine whether the level of protein expression at 1 year after injection, which is clearly reduced relative to shorter postinjection time, is sufficient for therapeutic purposes. CLINICAL RELEVANCE We have previously shown that gene therapy with catalase suppressed experimental optic neuritis at 1 month after injection. Viral-mediated gene transfer may be a powerful technique for the treatment of optic neuropathies, particularly for recurrences of optic neuritis, if long-term expression of transduced protein can be demonstrated in the optic nerve.
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Affiliation(s)
- J Guy
- Department of Ophthalmology, University of Florida, College of Medicine, Gainesville 32610-0284, USA
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Abstract
BACKGROUND Paraneoplastic phenomena, such as retinopathy, may herald an unsuspected gynecologic malignancy. CASE A 75-year-old woman presented to a neuro-ophthalmologist with abrupt onset of unilateral visual loss. A diagnosis of branch retinal artery occlusion was made and she was treated with aspirin. An echocardiogram subsequently revealed atrial dilation and she was placed on coumadin therapy. Her vision worsened and a cancer-associated retinopathy was entertained. A serum cancer-associated retinopathy antibody was detected; subsequent computed tomographies of the abdomen and pelvis revealed findings consistent with a primary ovarian carcinoma. CONCLUSION Patients with unexplained ophthalmologic symptoms may harbor an underlying gynecologic cancer.
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Affiliation(s)
- J P Harmon
- Department of Obstetrics and Gynecology, Indiana University Medical Center, Indianapolis, Indiana 46202, USA
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Abstract
BACKGROUND Paraneoplastic visual loss is an autoimmune disorder believed to be caused by the remote effects of cancer on the retina (cancer-associated retinopathy [CAR]) or optic nerve. Both disorders may result in rapid and complete blindness. Spontaneous recovery of vision has not been reported. The serum of patients with CAR contains autoantibodies against recoverin, enolase, or unidentified retinal proteins. Autopsy examination results of eyes of blind patients with CAR show complete absence of the retinal neurons involved in phototransduction. Corticosteroids and plasmapheresis are the only treatment options previously described. OBJECTIVE To treat paraneoplastic visual loss. DESIGN AND METHODS Three patients with metastatic cancer developed rapidly progressive loss of vision. The first patient had visual acuity of hand movements in each eye before intravenous immunoglobulin treatment. The second patient had visual acuity of light perception in both eyes. The third patient's visual acuity was 20/400 OD and 20/20 OS. Diagnostic tests included magnetic resonance imaging of the head and cytologic examination of the cerebrospinal fluid to exclude metastasis as the cause of visual loss and then an electroretinogram and serum tests for autoantibodies against retinal antigens to confirm the clinical diagnosis of CAR. Patients 1 and 2 were treated with intravenous immunoglobulin (400 mg/kg per day) for 5 days; however, patient 3 received only a single dose due to adverse effects consisting of shortness of breath and itching. RESULTS Within 24 hours of taking the first dose of intravenous immunoglobulin, the visual acuity of patient 1 improved from hand movements only in both eyes to 20/50 OD and 20/200 OS. After the third day of treatment, visual acuity in the left eye further improved to 20/40. Even with the improved acuity, Goldmann visual field perimetry results showed poor responses in both eyes. However, 2 weeks later there was marked visual field improvement, and visual acuity was maintained at 20/50 OD and 20/40 OS. Patient 2 had no improvements and continued to have light perception in both eyes. Patient 3 had improvements in visual field defects but remained 20/400 OD and 20/20 OS. CONCLUSION Intravenous immunoglobulin may be another treatment option offered to patients with paraneoplastic visual loss in addition to corticosteroids or plasmapheresis because a review of the medical literature has shown no spontaneous improvements of visual function without treatment.
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Affiliation(s)
- J Guy
- Department of Ophthalmology, University of Florida, College of Medicine, Gainesville 32610-0284, USA.
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Guy J, Willemsen R, Langeveld A, Grosveld F, Drabek D. Murine MHC class II locus control region drives expression of human beta-glucocerebrosidase in antigen presenting cells of transgenic mice. Gene Ther 1999; 6:498-507. [PMID: 10476209 DOI: 10.1038/sj.gt.3300855] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [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: 11/09/2022]
Abstract
Gaucher disease is the most prevalent lysosomal storage disorder in humans, resulting from an inherited deficiency of the enzyme glucocerebrosidase. Although the enzyme is ubiquitously expressed, cells of the reticuloendothelial system are particularly affected since they accumulate the undigested glucosylceramide substrate through their role in scavenging and breaking down cell debris. Gaucher disease is an attractive target for somatic gene therapy. To test the ability to express the enzyme in the affected cell types we have generated transgenic mice expressing human glucocerebrosidase under the control of the murine major histocompatibility complex (MHC) class II Ead locus control region (LCR). The four transgenic lines express the human enzyme in a copy number-dependent manner, independent of the integration site of the transgene. Over-expression of the human enzyme in mice did not result in any abnormal phenotype or pathology during the period of observation (> 2 years). The enzyme is expressed in B cells, monocytes, dendritic cells, thymic epithelial cells, and macrophages in various tissues: the peritoneal cavity, bone marrow, spleen, kidney, gastrointestinal tract, Kupffer cells in the liver and alveolar macrophages in lungs. Expression in the brain was limited to perivascular macrophages and was not seen in microglial cells. Therefore, the MHC class II LCR could potentially be of use in somatic gene therapy for type 1 Gaucher disease.
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Affiliation(s)
- J Guy
- Department of Cell Biology and Genetics, Faculty of Medicine, Erasmus University Rotterdam, The Netherlands
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Jackson MS, Rocchi M, Thompson G, Hearn T, Crosier M, Guy J, Kirk D, Mulligan L, Ricco A, Piccininni S, Marzella R, Viggiano L, Archidiacono N. Sequences flanking the centromere of human chromosome 10 are a complex patchwork of arm-specific sequences, stable duplications and unstable sequences with homologies to telomeric and other centromeric locations. Hum Mol Genet 1999; 8:205-15. [PMID: 9931328 DOI: 10.1093/hmg/8.2.205] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.1] [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: 11/13/2022] Open
Abstract
Little is known about sequence organization close to human centromeres, despite empirical and theoretical data which suggest that it may be unusual. Here we present maps which physically define large sequence duplications flanking the centromeric satellites of human chromosome 10, together with a fluorescence in situ hybridization (FISH) analysis of pericentromeric sequence stability. Our results indicate that the duplications on each chromosome arm are organized into two blocks of approximately 250 and 150 kb separated by approximately 300 kb of non-duplicated DNA. The larger proximal blocks, containing ZNF11A, ZNF33A and ZNF37A (10p11) and ZNF11B, ZNF33B and ZNF37B (10q11), are inverted. However, the smaller distal blocks, containing D10S141A (10p11) and D10S141B (10q11), are not. A primate FISH analysis indicates that these loci were duplicated before the divergence of orang-utans from other Great Apes, that a cytogenetically cryptic pericentric inversion may have been involved in the formation of the flanking duplications and that they have undergone further rearrangement in other primate species. More surprising is the fact that sequences across the entire pericentromeric region appear to have undergone unprecedented levels of duplication, transposition, inversion and either deletion or sequence divergence in all primate species analysed. Extrapolating our data to the whole genome suggests that a minimum of 50 Mb of DNA in centromere-proximal regions is subject to an elevated level of mechanistically diverse sequence rearrangements compared with the bulk of genomic DNA.
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Affiliation(s)
- M S Jackson
- Department of Human Genetics, University of Newcastle upon Tyne, 19/20 Claremont Place, Newcastle upon Tyne NE2 4AA, UK.
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Guy J, Qi X, Hauswirth WW. Adeno-associated viral-mediated catalase expression suppresses optic neuritis in experimental allergic encephalomyelitis. Proc Natl Acad Sci U S A 1998; 95:13847-52. [PMID: 9811889 PMCID: PMC24923 DOI: 10.1073/pnas.95.23.13847] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [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: 01/12/2023] Open
Abstract
Suppression of oxidative injury by viral-mediated transfer of the human catalase gene was tested in the optic nerves of animals with experimental allergic encephalomyelitis (EAE). EAE is an inflammatory autoimmune disorder of primary central nervous system demyelination that has been frequently used as an animal model for the human disease multiple sclerosis (MS). The optic nerve is a frequent site of involvement common to both EAE and MS. Recombinant adeno-associated virus containing the human gene for catalase was injected over the right optic nerve heads of SJL/J mice that were simultaneously sensitized for EAE. After 1 month, cell-specific catalase activity, evaluated by quantitation of catalase immunogold, was increased approximately 2-fold each in endothelia, oligodendroglia, astrocytes, and axons of the optic nerve. Effects of catalase on the histologic lesions of EAE were measured by computerized analysis of the myelin sheath area (for demyelination), optic disc area (for optic nerve head swelling), extent of the cellular infiltrate, extravasated serum albumin labeled by immunogold (for blood-brain barrier disruption), and in vivo H2O2 reaction product. Relative to control, contralateral optic nerves injected with the recombinant virus without a therapeutic gene, catalase gene inoculation reduced demyelination by 38%, optic nerve head swelling by 29%, cellular infiltration by 34%, disruption of the blood-brain barrier by 64%, and in vivo levels of H2O2 by 61%. Because the efficacy of potential treatments for MS are usually initially tested in the EAE animal model, this study suggests that catalase gene delivery by using viral vectors may be a therapeutic strategy for suppression of MS.
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Affiliation(s)
- J Guy
- Department of Ophthalmology, University of Florida, College of Medicine, Gainesville, FL 32610, USA
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O'Brien WJ, Narasimhan J, Guy J, Tom P, Taylor JL. The effects of interferon-alpha and acyclovir on herpes simplex virus type-1 ribonucleotide reductase. Antiviral Res 1998; 38:107-16. [PMID: 9707373 DOI: 10.1016/s0166-3542(98)00016-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [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: 11/28/2022]
Abstract
Herpes simplex virus-type 1 (HSV-1) encodes both the small (UL40) and large (UL39) subunits of the enzyme, ribonucleotide reductase. Treatment of HSV-1-infected cells with interferon-alpha (IFN-alpha) reduced the levels of both enzyme subunits. Reduced steady state levels of the large subunit were demonstrated by immunoblot using polyclonal antibody specific for the viral enzyme. Reduction in the amount of small subunit was shown by a reduction in the electron spin resonance signal derived from the iron-containing tyrosyl free-radical present in this subunit. Treatment of cells with 100 IU/ml of IFN-alpha decreased levels of both subunits resulting in a reduction in enzyme activity as measured by conversion of CDP to dCDP. The decrease in the amount of the large subunit was not due to a reduction in the level of its mRNA. The combination of IFN-alpha and ACV treatment of human cornea stromal cells did not result in a further reduction in amounts of ribonucleotide reductase relative to that detected with IFN-alpha alone. The IFN-alpha-induced reduction in ribonucleotide reductase activity is the likely cause of decreased levels of dGTP which we have previously demonstrated in IFN-alpha-treated, infected cells.
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Affiliation(s)
- W J O'Brien
- Department of Microbiology, Medical College of Wisconsin, Milwaukee 53266, USA
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Borel CO, Guy J, Barcik U, Natoli MJ, Vann RD. Effect of hypobaria on ventilatory and CO2 responses to short-term hypoxic exposure in cats. Respir Physiol 1998; 111:45-53. [PMID: 9496471 DOI: 10.1016/s0034-5687(97)00098-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The effect of hypobaria on the ventilatory response to short-term hypoxia was studied by comparing the respiratory mechanical and inspired CO2 ventilatory responses to hypobaric hypoxia (438 mmHg) with normobaric hypoxia (11.8% FIO2). Fifteen spontaneously breathing, anesthetized cats were divided into three groups of five: time control, normobaric hypoxia and hypobaric hypoxia. Measurements of ventilation, gas exchange, and responses to intermittent CO2 rebreathing were collected over a 4 h period. PaO2 fell to 44.5 +/- 2.7 mmHg, PaCO2 fell to 24.8 +/- 0.9, and pH rose to 7.49 +/- 0.01 in both hypoxic groups. Tidal volume did not change with respect to time or condition, but frequency and ventilation were significantly increased in the hypobaric hypoxic group. The slope of the CO2 response was unchanged over time or by condition. These results suggest that hypobaric hypoxia may alter the pattern of breathing responses to hypoxia but not the CO2-response. If metabolic rate remained constant, these results could be explained by a difference in dead space between hypoxic conditions.
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Affiliation(s)
- C O Borel
- Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA.
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Fabling JM, Gan TJ, Guy J, Borel CO, el-Moalem HE, Warner DS. Postoperative nausea and vomiting. A retrospective analysis in patients undergoing elective craniotomy. J Neurosurg Anesthesiol 1997; 9:308-12. [PMID: 9339401] [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: 02/05/2023]
Abstract
Nausea and vomiting are important complications after craniotomy, for which there are little published epidemiologic data. We retrospectively examined the incidence of postcraniotomy nausea and vomiting to define risk factors. Medical records from 199 adults undergoing elective craniotomy were identified. Data extracted from surgery and the initial 48 hours postoperatively included gender, age, supratentorial versus infratentorial craniotomy, type of anesthesia (general versus monitored anesthesia care), intraoperative fentanyl dose, duration of anesthesia, antiemetic administration intraoperatively and postoperatively, and incidence of postoperative nausea, emesis, and opioid use. Postoperative nausea was recorded in 99 patients (50%) and emesis in 78 patients (39%). Postoperative opioids were administered to 170 patients (85%). Antiemetics were given intraoperatively to 13 patients (7%) and postoperatively to 121 patients (61%). More women (61%) than men (37%) had nausea (P = 0.001); emesis (women = 46%; men = 31%, P = 0.03); and postoperative antiemetic use (women = 69%; men = 51%, P = 0.013). The incidence of postoperative nausea (P = 0.04) and vomiting (P = 0.06) was greater in patients having infratentorial surgery. Emesis was more frequent in younger patients (P = 0.03). Postoperative nausea and vomiting were independent of anesthetic duration, fentanyl dose, or postoperative opioid use and occurred with similar frequency after general anesthesia or monitored anesthesia care. We conclude that postoperative nausea and vomiting occur frequently after craniotomy. Infratentorial surgery, female gender, and younger age are significant risk factors for this complication.
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Affiliation(s)
- J M Fabling
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina 27710, USA
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Qi X, Guy J, Nick H, Valentine J, Rao N. Increase of manganese superoxide dismutase, but not of Cu/Zn-SOD, in experimental optic neuritis. Invest Ophthalmol Vis Sci 1997; 38:1203-12. [PMID: 9152240] [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] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
PURPOSE To evaluate the role of manganese superoxide dismutase (Mn-SOD) and copper/zinc superoxide dismutase (Cu/Zn-SOD) in cellular protection of the optic nerve against the oxidative injury that contributes to demyelination in experimental allergic encephalomyelitis (EAE). METHODS Immunocytochemistry for Mn-SOD and Cu/Zn-SOD and ultracytochemical localization of hydrogen peroxide (H2O2) were performed on the optic nerves of guinea pigs with EAE and normal guinea pigs. Cell-specific enzyme expression of SOD was quantitated by computerized morphometric analysis. RESULTS Light microscopy showed a perivascular distribution of Mn-SOD-positive cells in the optic nerves of animals with EAE. Electron microscopy showed that the Mn-SOD immunogold was confined exclusively to mitochondria, whereas Cu/Zn-SOD immunogold was found in the cytoplasmic matrix and nucleus of cells of the optic nerve in both animals with EAE and normal animals. Results of quantitative analysis of the optic nerves of animals with EAE showed an 8-fold increase in Mn-SOD immunogold in astroglial cells and a 13-fold increase in microglial/phagocytic cells in comparison with that of normal animals. Increases in Mn-SOD immunogold were contiguous to H2O2-derived reaction product. No increases in Cu/Zn-SOD immunogold were detected in EAE. CONCLUSIONS Increases in Mn-SOD activity in astroglial cells and microglial/phagocytic cells may contribute to the relative sparing of these cells from injury in EAE, whereas the low level of Mn-SOD in oligodendroglial cells and axons may increase their vulnerability to the effects of superoxide-induced oxidative injury that results in demyelination.
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Affiliation(s)
- X Qi
- Department of Ophthalmology, University of Florida, Gainesville 32610-0284, USA
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Abstract
The Approaches to Study Inventory (ASI), developed by Entwistle & Ramsden (1983), was administered to all nursing students at an Australian university (response rate = 67%). The purpose was to find out whether ASI constructs also apply to nursing students and to see whether nursing students change in their study approaches in the course of their nursing education. The ASI was construct validated through factor analysis. While it was possible to reconstruct a majority of the subscales based on individual items, only the meaning and reproducing study orientations were supported. These two orientations also demonstrated satisfactory levels of internal consistency for group comparisons. The authors conclude that the ASI is a useful and robust instrument for use in nursing education with respect to the two main study orientations. Ideally, nursing education should successively pave the way for an increase in meaning orientation scores (deep learning) and a reduction in reproducing orientation scores (surface learning). However, in this study there was no change in study orientations from first to third year. The association between meaning orientation scores and academic performance was weak.
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Affiliation(s)
- M Stiernborg
- WHO Regional Training Centre, University of New South Wales, Sydney, Australia
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Guy J, Hindman BJ, Baker KZ, Borel CO, Maktabi M, Ostapkovich N, Kirchner J, Todd MM, Fogarty-Mack P, Yancy V, Sokoll MD, McAllister A, Roland C, Young WL, Warner DS. Comparison of remifentanil and fentanyl in patients undergoing craniotomy for supratentorial space-occupying lesions. Anesthesiology 1997; 86:514-24. [PMID: 9066316 DOI: 10.1097/00000542-199703000-00002] [Citation(s) in RCA: 152] [Impact Index Per Article: 5.6] [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: 02/03/2023]
Abstract
BACKGROUND Remifentanil hydrochloride is an ultra-short-acting, esterase-metabolized mu-opioid receptor agonist. This study compared the use of remifentanil or fentanyl during elective supratentorial craniotomy for space-occupying lesions. METHODS Sixty-three adults gave written informed consent for this prospective, randomized, double-blind, multiple-center trial. Anesthesia was induced with thiopental, pancuronium, nitrous oxide/oxygen, and fentanyl (n = 32; 2 micrograms.kg.-1. min-1) or remifentanil (n = 31; 1 mu.kg-1.min-1). After tracheal intubation, infusion rates were reduced to 0.03 microgram.kg-1.min-1 (fentanyl) or 0.2 microgram.kg-1.min-1 (remifentanil) and then adjusted to maintain anesthesia and stable hemodynamics. Isoflurane was given only after specified infusion rate increases had occurred. At the time of the first burr hole, intracranial pressure was measured in a subset of patients. At bone flap replacement either saline (fentanyl group) or remifentanil (approximately 0.2 microgram.kg-1.min-1) were infused until dressing completion. Hemodynamics and time to recovery were monitored for 60 min. Analgesic requirements and nausea and vomiting were observed for 24 h. Neurological examinations were performed before operation and on postoperative days 1 and 7. RESULTS Induction hemodynamics were similar. Systolic blood pressure was greater in the patients receiving fentanyl after tracheal intubation (fentanyl = 127 +/- 18 mmHg; remifentanil = 113 +/- 18 mmHg; P = 0.004). Intracranial pressure (fentanyl = 14 +/- 13 mmHg; remifentanil = 13 +/- 10 mmHg) and cerebral perfusion pressure (fentanyl = 76 +/- 19 mmHg; remifentanil = 78 +/- 14 mmHg) were similar. Isoflurane use was greater in the patients who received fentanyl. Median time to tracheal extubation was similar (fentanyl = 4 min: range = -1 to 40 min; remifentanil = 5 min: range = 1 to 15 min). Seven patients receiving fentanyl and none receiving remifentanil required naloxone. Postoperative systolic blood pressure was greater (fentanyl = 134 +/- 16 mmHg; remifentanil = 147 +/- 15 mmHg; P = 0.001) and analgesics were required earlier in patients receiving remifentanil. Incidences of nausea and vomiting were similar. CONCLUSIONS Remifentanil appears to be a reasonable alternative to fentanyl during elective supratentorial craniotomy.
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Affiliation(s)
- J Guy
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina 27710, USA
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Drabek D, Guy J, Craig R, Grosveld F. The expression of bacterial nitroreductase in transgenic mice results in specific cell killing by the prodrug CB1954. Gene Ther 1997; 4:93-100. [PMID: 9081711 DOI: 10.1038/sj.gt.3300366] [Citation(s) in RCA: 56] [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: 02/04/2023]
Abstract
The enzyme nitroreductase, isolated from Escherichia coli B, converts CB1954 ((5-aziridin-1-yl)-2,4-dinitro-benzamide) into a cytotoxic DNA interstrand cross-linking agent. The E. coli B gene (nfnB, NTR) encoding nitroreductase (NTR) was cloned into eukaryotic expression vectors. When driven by a CMV promoter, 5-10% of the stably transfected mouse fibroblasts expressed the NTR enzyme. These cells were killed at a concentration of 20 microM CB1954 in comparison to nonexpressing cells which were killed at a much higher concentration (500 microM). We subsequently generated transgenic mice to test the prodrug system in vivo. Nitroreductase was expressed specifically in T cells driven by the control elements of the human CD2 locus. Upon CB1954 treatment, transgenic mice show extensive cell depletion in thymus and spleen (14-16% of normal cell numbers), whereas all other tissues are unaffected by prodrug administration. These results raise the possibility of using the NTR gene in anticancer therapy.
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Affiliation(s)
- D Drabek
- Department of Cell Biology and Genetics, Institute of Cell Biology, Rotterdam, The Netherlands
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Abstract
The aim of this study is to determine the presence and subcellular distribution of NADPH diaphorase (NADPH-d)/nitric oxide synthase (NOS) in the optic nerve of the normal guinea pig. Optic nerve specimens were stained by NADPH-d histochemistry, and double labeled by combining NADPH-d histochemistry with immunostaining for (a) anti-glial fibrillary acidic protein (GFAP) antibody for recognition of astrocytes, (b) griffonia simplicifilia B4-isolectin (GSA-IB4) horse radish peroxidase (HRP)-conjugate for identification of microglia, or (c) oligodendrocyte-associated antibodies to carbonic anhydrase isoenzyme II (CA-II) or to galactocerebroside (GalC) for visualization of oligodendrocytes. In addition, constitutive NOS (cNOS) and inducible NOS (iNOS) immunostaining were used for colocalization with NADPH-d histochemistry. Light microscopy revealed NADPH-d reaction product in the blood vessels and neuroglia of the unmyelinated optic nerve head and myelinated retrobulbar optic nerve. Double labeling with GFAP immunoperoxidase combined with NADPH-d histochemistry revealed both activities in astrocytes. Microglia were labeled with GSA-IB4 isolectin HRP-conjugate, but they did not have NADPH-d activity. Oligodendroglia were immunolabeled with anti CA-II or anti GalC antibodies, but they did not have NADPH-d activity. Both iNOS and cNOS immunoperoxidase labeled astrocytes, but not microglia or oligodendroglia. Under transmission electron microscopy, NADPH-d reaction product appeared as electron-dense particles. These particles were seen in the cytoplasm of endothelial cells, perivascular smooth muscle cells and fibrous astrocytes. Axons and myelin were devoid of NADPH-d activity. This study demonstrates the existence and cellular distribution of NADPH-d/NOS activity in endothelial cells, perivascular smooth muscle cells and fibrous astrocytes of the optic nerve of the normal guinea pig. The presence of these non-neuronal sources of NOS in the optic nerve provides the foundation for future comparative studies of the functional role of reactive oxygen induced toxicity in disorders affecting the optic nerve.
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Affiliation(s)
- X Qi
- Departments of Ophthalmology, College of Medicine, University of Florida, Gainesville 32610-0284, USA
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Abstract
We constructed gfph, a synthetic version of the jellyfish Aequorea victoria green fluorescent protein (gfp) cDNA that is adapted for high-level expression in mammalian cells, especially those of human origin. A total of 92 base substitutions were made in 88 codons in order to change the codon usage within the gfp10 coding sequence so that it was more appropriate for expression in mammalian cells. We also describe a series of versatile recombinant adeno-associated virus and adenovirus vectors for delivery and expression of genes into mammalian cells and, using these vectors, demonstrate the efficient transduction and expression of the gfph gene in the human cell line 293 and also in vivo, within neurosensory cells of guinea pig eye. Cells infected with recombinant adeno-associated virus-GFPH can be readily sorted by fluorescence-activated cell sorting, suggesting that the newly designed gfph gene could be widely used as a reporter in many gene delivery technologies, including human gene therapy.
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Affiliation(s)
- S Zolotukhin
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, Florida 32610, USA
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Study of rareb decays with the DELPHI detector at LEP. ACTA ACUST UNITED AC 1996. [DOI: 10.1007/s002880050238] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [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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