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Targher G, Dauriz M, Laroche C, Temporelli PL, Hassanein M, Seferovic PM, Drozdz J, Ferrari R, Anker S, Coats A, Filippatos G, Crespo‐Leiro MG, Mebazaa A, Piepoli MF, Maggioni AP, Tavazzi L, Crespo‐Leiro M, Anker S, Coats A, Ferrari R, Filippatos G, Maggioni A, Mebazaa A, Piepoli M, Amir O, Chioncel O, Dahlström U, Jimenez JD, Drozdz J, Erglis A, Fazlibegovic E, Fonseca C, Fruhwald F, Gatzov P, Goncalvesova E, Hassanein M, Hradec J, Kavoliuniene A, Lainscak M, Logeart D, Merkely B, Metra M, Otljanska M, Seferovic P, Kostovska ES, Temizhan A, Tousoulis D, Andarala M, Ferreira T, Fiorucci E, Gracia G, Laroche C, Pommier C, Taylor C, Cuculici A, Gaulhofer C, Casado EP, Szymczyk E, Ramani F, Mulak G, Schou IL, Semenka J, Stojkovic J, Mehanna R, Mizarienne V, Auer J, Ablasser K, Fruhwald F, Dolze T, Brandner K, Gstrein S, Poelzl G, Moertl D, Reiter S, Podczeck‐Schweighofer A, Muslibegovic A, Vasilj M, Fazlibegovic E, Cesko M, Zelenika D, Palic B, Pravdic D, Cuk D, Vitlianova K, Katova T, Velikov T, Kurteva T, Gatzov P, Kamenova D, Antova M, Sirakova V, Krejci J, Mikolaskova M, Spinar J, Krupicka J, Malek F, Hegarova M, Lazarova M, Monhart Z, Hassanein M, Sobhy M, El Messiry F, El Shazly A, Elrakshy Y, Youssef A, Moneim A, Noamany M, Reda A, Dayem TA, Farag N, Halawa SI, Hamid MA, Said K, Saleh A, Ebeid H, Hanna R, Aziz R, Louis O, Enen M, Ibrahim B, Nasr G, Elbahry A, Sobhy H, Ashmawy M, Gouda M, Aboleineen W, Bernard Y, Luporsi P, Meneveau N, Pillot M, Morel M, Seronde M, Schiele F, Briand F, Delahaye F, Damy T, Eicher J, Groote P, Fertin M, Lamblin N, Isnard R, Lefol C, Thevenin S, Hagege A, Jondeau G, Logeart D, Le Marcis V, Ly J, Coisne D, Lequeux B, Le Moal V, Mascle S, Lotton P, Behar N, Donal E, Thebault C, Ridard C, Reynaud A, Basquin A, Bauer F, Codjia R, Galinier M, Tourikis P, Stavroula M, Tousoulis D, Stefanadis C, Chrysohoou C, Kotrogiannis I, Matzaraki V, Dimitroula T, Karavidas A, Tsitsinakis G, Kapelios C, Nanas J, Kampouri H, Nana E, Kaldara E, Eugenidou A, Vardas P, Saloustros I, Patrianakos A, Tsaknakis T, Evangelou S, Nikoloulis N, Tziourganou H, Tsaroucha A, Papadopoulou A, Douras A, Polgar L, Merkely B, Kosztin A, Nyolczas N, Nagy AC, Halmosi R, Elber J, Alony I, Shotan A, Fuhrmann AV, Amir O, Romano S, Marcon S, Penco M, Di Mauro M, Lemme E, Carubelli V, Rovetta R, Metra M, Bulgari M, Quinzani F, Lombardi C, Bosi S, Schiavina G, Squeri A, Barbieri A, Di Tano G, Pirelli S, Ferrari R, Fucili A, Passero T, Musio S, Di Biase M, Correale M, Salvemini G, Brognoli S, Zanelli E, Giordano A, Agostoni P, Italiano G, Salvioni E, Copelli S, Modena M, Reggianini L, Valenti C, Olaru A, Bandino S, Deidda M, Mercuro G, Dessalvi CC, Marino P, Di Ruocco M, Sartori C, Piccinino C, Parrinello G, Licata G, Torres D, Giambanco S, Busalacchi S, Arrotti S, Novo S, Inciardi R, Pieri P, Chirco P, Galifi MA, Teresi G, Buccheri D, Minacapelli A, Veniani M, Frisinghelli A, Priori S, Cattaneo S, Opasich C, Gualco A, Pagliaro M, Mancone M, Fedele F, Cinque A, Vellini M, Scarfo I, Romeo F, Ferraiuolo F, Sergi D, Anselmi M, Melandri F, Leci E, Iori E, Bovolo V, Pidello S, Frea S, Bergerone S, Botta M, Canavosio F, Gaita F, Merlo M, Cinquetti M, Sinagra G, Ramani F, Fabris E, Stolfo D, Artico J, Miani D, Fresco C, Daneluzzi C, Proclemer A, Cicoira M, Zanolla L, Marchese G, Torelli F, Vassanelli C, Voronina N, Erglis A, Tamakauskas V, Smalinskas V, Karaliute R, Petraskiene I, Kazakauskaite E, Rumbinaite E, Kavoliuniene A, Vysniauskas V, Brazyte‐Ramanauskiene R, Petraskiene D, Stankala S, Switala P, Juszczyk Z, Sinkiewicz W, Gilewski W, Pietrzak J, Orzel T, Kasztelowicz P, Kardaszewicz P, Lazorko‐Piega M, Gabryel J, Mosakowska K, Bellwon J, Rynkiewicz A, Raczak G, Lewicka E, Dabrowska‐Kugacka A, Bartkowiak R, Sosnowska‐Pasiarska B, Wozakowska‐Kaplon B, Krzeminski A, Zabojszcz M, Mirek‐Bryniarska E, Grzegorzko A, Bury K, Nessler J, Zalewski J, Furman A, Broncel M, Poliwczak A, Bala A, Zycinski P, Rudzinska M, Jankowski L, Kasprzak J, Michalak L, Soska KW, Drozdz J, Huziuk I, Retwinski A, Flis P, Weglarz J, Bodys A, Grajek S, Kaluzna‐Oleksy M, Straburzynska‐Migaj E, Dankowski R, Szymanowska K, Grabia J, Szyszka A, Nowicka A, Samcik M, Wolniewicz L, Baczynska K, Komorowska K, Poprawa I, Komorowska E, Sajnaga D, Zolbach A, Dudzik‐Plocica A, Abdulkarim A, Lauko‐Rachocka A, Kaminski L, Kostka A, Cichy A, Ruszkowski P, Splawski M, Fitas G, Szymczyk A, Serwicka A, Fiega A, Zysko D, Krysiak W, Szabowski S, Skorek E, Pruszczyk P, Bienias P, Ciurzynski M, Welnicki M, Mamcarz A, Folga A, Zielinski T, Rywik T, Leszek P, Sobieszczanska‐Malek M, Piotrowska M, Kozar‐Kaminska K, Komuda K, Wisniewska J, Tarnowska A, Balsam P, Marchel M, Opolski G, Kaplon‐Cieslicka A, Gil R, Mozenska O, Byczkowska K, Gil K, Pawlak A, Michalek A, Krzesinski P, Piotrowicz K, Uzieblo‐Zyczkowska B, Stanczyk A, Skrobowski A, Ponikowski P, Jankowska E, Rozentryt P, Polonski L, Gadula‐Gacek E, Nowalany‐Kozielska E, Kuczaj A, Kalarus Z, Szulik M, Przybylska K, Klys J, Prokop‐Lewicka G, Kleinrok A, Aguiar CT, Ventosa A, Pereira S, Faria R, Chin J, De Jesus I, Santos R, Silva P, Moreno N, Queirós C, Lourenço C, Pereira A, Castro A, Andrade A, Guimaraes TO, Martins S, Placido R, Lima G, Brito D, Francisco A, Cardiga R, Proenca M, Araujo I, Marques F, Fonseca C, Moura B, Leite S, Campelo M, Silva‐Cardoso J, Rodrigues J, Rangel I, Martins E, Correia AS, Peres M, Marta L, Silva GF, Severino D, Durao D, Leao S, Magalhaes P, Moreira I, Cordeiro AF, Ferreira C, Araujo C, Ferreira A, Baptista A, Radoi M, Bicescu G, Vinereanu D, Sinescu C, Macarie C, Popescu R, Daha I, Dan G, Stanescu C, Dan A, Craiu E, Nechita E, Aursulesei V, Christodorescu R, Otasevic P, Seferovic P, Simeunovic D, Ristic A, Celic V, Pavlovic‐Kleut M, Lazic JS, Stojcevski B, Pencic B, Stevanovic A, Andric A, Iric‐Cupic V, Jovic M, Davidovic G, Milanov S, Mitic V, Atanaskovic V, Antic S, Pavlovic M, Stanojevic D, Stoickov V, Ilic S, Ilic MD, Petrovic D, Stojsic S, Kecojevic S, Dodic S, Adic NC, Cankovic M, Stojiljkovic J, Mihajlovic B, Radin A, Radovanovic S, Krotin M, Klabnik A, Goncalvesova E, Pernicky M, Murin J, Kovar F, Kmec J, Semjanova H, Strasek M, Iskra MS, Ravnikar T, Suligoj NC, Komel J, Fras Z, Jug B, Glavic T, Losic R, Bombek M, Krajnc I, Krunic B, Horvat S, Kovac D, Rajtman D, Cencic V, Letonja M, Winkler R, Valentincic M, Melihen‐Bartolic C, Bartolic A, Vrckovnik MP, Kladnik M, Pusnik CS, Marolt A, Klen J, Drnovsek B, Leskovar B, Anguita MF, Page JG, Martinez FS, Andres J, Genis A, Mirabet S, Mendez A, Garcia‐Cosio L, Roig E, Leon V, Gonzalez‐Costello J, Muntane G, Garay A, Alcade‐Martinez V, Fernandez SL, Rivera‐Lopez R, Puga‐Martinez M, Fernandez‐Alvarez M, Serrano‐Martinez J, Crespo‐Leiro M, Grille‐Cancela Z, Marzoa‐Rivas R, Blanco‐Canosa P, Paniagua‐Martin M, Barge‐Caballero E, Cerdena IL, Baldomero IFH, Padron AL, Rosillo SO, Gonzalez‐Gallarza RD, Montanes OS, Manjavacas AI, Conde AC, Araujo A, Soria T, Garcia‐Pavia P, Gomez‐Bueno M, Cobo‐Marcos M, Alonso‐Pulpon L, Cubero JS, Sayago I, Gonzalez‐Segovia A, Briceno A, Subias PE, Hernandez MV, Cano MR, Sanchez MG, Jimenez JD, Garrido‐Lestache EB, Pinilla JG, Villa BG, Sahuquillo A, Marques RB, Calvo FT, Perez‐Martinez M, Gracia‐Rodenas M, Garrido‐Bravo IP, Pastor‐Perez F, Pascual‐Figal D, Molina BD, Orus J, Gonzalo FE, Bertomeu V, Valero R, Martinez‐Abellan R, Quiles J, Rodrigez‐Ortega J, Mateo I, ElAmrani A, Fernandez‐Vivancos C, Valero DB, Almenar‐Bonet L, Sanchez‐Lazaro I, Marques‐Sule E, Facila‐Rubio L, Perez‐Silvestre J, Garcia‐Gonzalez P, Ridocci‐Soriano F, Garcia‐Escriva D, Pellicer‐Cabo A, Fuente Galan L, Diaz JL, Platero AR, Arias J, Blasco‐Peiro T, Julve MS, Sanchez‐Insa E, Aured‐Guallar C, Portoles‐Ocampo A, Melin M, Hägglund E, Stenberg A, Lindahl I, Asserlund B, Olsson L, Dahlström U, Afzelius M, Karlström P, Tengvall L, Wiklund P, Olsson B, Kalayci S, Temizhan A, Cavusoglu Y, Gencer E, Yilmaz M, Gunes H. In‐hospital and 1‐year mortality associated with diabetes in patients with acute heart failure: results from the
ESC‐HFA
Heart Failure Long‐Term Registry. Eur J Heart Fail 2016; 19:54-65. [DOI: 10.1002/ejhf.679] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [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: 05/10/2016] [Revised: 08/24/2016] [Accepted: 09/20/2016] [Indexed: 12/28/2022] Open
Affiliation(s)
- Giovanni Targher
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine University and Azienda Ospedaliera Universitaria Integrata of Verona Verona Italy
| | - Marco Dauriz
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine University and Azienda Ospedaliera Universitaria Integrata of Verona Verona Italy
| | - Cécile Laroche
- EURObservational Research Programme European Society of Cardiology Sophia‐Antipolis France
| | | | | | | | | | - Roberto Ferrari
- Department of Cardiology and LTTA Centre, University Hospital of Ferrara and Maria Cecilia Hospital, GVM Care & Research E.S: Health Science Foundation Cotignola Italy
| | - Stephan Anker
- Innovative Clinical Trials, Department of Cardiology & Pneumology University Medical Center Göttingen (UMG) Göttingen Germany
| | - Andrew Coats
- Monash University Australia and University of Warwick Coventry UK
| | | | - Maria G. Crespo‐Leiro
- Unidad de Insuficiencia Cardiaca Avanzada y Trasplante Cardiaco, Complexo Hospitalario Universitario A Coruna CHUAC La Coruna Spain
| | - Alexandre Mebazaa
- Inserm 942, Hôpital Lariboisière Université Paris Diderot Paris France
| | - Massimo F. Piepoli
- Department of Cardiology Polichirurgico Hospital G. da Saliceto Piacenza Italy
| | - Aldo Pietro Maggioni
- EURObservational Research Programme European Society of Cardiology Sophia‐Antipolis France
- ANMCO Research Center Florence Italy
| | - Luigi Tavazzi
- Maria Cecilia Hospital, GVM Care & Research E.S. Health Science Foundation Cotignola Italy
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Ostojic L, Zelenika D, Zotz RB, Sucker C, Ostojic Z, Loncar R. Platelet Receptor HPA-1 Polymorphism of αIIbβ3 and 807 C/T Polymorphism of α2β1 and Buerger's Disease. Angiology 2016; 58:169-74. [PMID: 17495265 DOI: 10.1177/0003319707300352] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 12/17/2022]
Abstract
Thromboangiitis obliterans or Buerger's disease is an episodic and segmental inflammatory and thrombotic process of the medium and small arteries of the lower extremities. Even though the disease was described 90 years ago, the etiopathogenesis is still under consideration. Afflicted patients are mostly young male cigarette smokers without signs of atherosclerosis or other risk factors for peripheral arterial occlusive disease. This indicates that hereditary thrombophilic factors could play a role in the etiopathogenesis. Recently, increasing evidence shows that platelet receptor polymorphisms (HPA-1 polymorphism of β3 subunit of αIIbβ3 and 807 C/T polymorphism α2β1) are associated with early onset of arterial thrombosis (myocardial infarction, stroke). This case-control study was designed to assess whether the 807 C/T polymorphism or the HPA-1 polymorphism is involved in the pathogenesis of Buerger's disease or has any influence on the clinical course of Buerger's disease. Eighteen patients with Buerger's disease and 81 (sex and age matched) healthy control subjects (mean age 44 ± 10 vs 45 8 years, respectively) were genotyped for platelet receptor HPA-1 and GPIa 807 C/T polymorphism. The gene frequency of HPA-1 and GPIa 807 C/T polymorphisms was identical in both groups. Prevalence of hetero- and homozygous carriers of the HPA-1b allel (1a1b and 1b1b genotype) as well as the prevalence of the 807 C/T and 807 T/T carriers did not differ significantly between the two groups, p >0.05. The grade of clinical disease manifestation as well as disease progression did not reveal any significant relationship with HPA-1 and 807 C/T polymorphisms. A relationship between the age at onset of the disease and HPA-1 polymorphism was not found. Otherwise analysis of the GPIa 807 C/T platelet receptor polymorphism showed that the average age of patients who are carriers of the T allele at early onset of disease was 32 ± 6 years (range 27—48 years) compared to 42 ± 6 years (range 34—53 years) of the C/C carriers (p <0.05). This indicates that the GPIa 807 C/T polymorphism does not represent a risk factor for Buerger's disease itself, but could be associated with premature onset of this disorder in predisposed individuals.
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Affiliation(s)
- L Ostojic
- Medical Faculty and University Clinic Mostar, Bijeli Brijeg BB, Mostar, Bosnia-Hercegovina.
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Costantino F, Talpin A, Chaplais E, Said-Nahal R, Leboime A, Zinovieva E, Izac B, Zelenika D, Gut I, Charon C, Reveille J, Chiocchia G, Breban M, Garchon HJ. OP0203 A Family-Based Genome-Wide Association Study Reveals an Association of Spondyloarthritis with MAPK14. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3768] [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: 11/04/2022]
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Etain B, Jamain S, Milhiet V, Lajnef M, Boudebesse C, Dumaine A, Mathieu F, Gombert A, Ledudal K, Gard S, Kahn JP, Henry C, Boland A, Zelenika D, Lechner D, Lathrop M, Leboyer M, Bellivier F. Association between circadian genes, bipolar disorders and chronotypes. Chronobiol Int 2014; 31:807-14. [DOI: 10.3109/07420528.2014.906445] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Lambert JC, Ibrahim-Verbaas CA, Harold D, Naj AC, Sims R, Bellenguez C, DeStafano AL, Bis JC, Beecham GW, Grenier-Boley B, Russo G, Thorton-Wells TA, Jones N, Smith AV, Chouraki V, Thomas C, Ikram MA, Zelenika D, Vardarajan BN, Kamatani Y, Lin CF, Gerrish A, Schmidt H, Kunkle B, Dunstan ML, Ruiz A, Bihoreau MT, Choi SH, Reitz C, Pasquier F, Cruchaga C, Craig D, Amin N, Berr C, Lopez OL, De Jager PL, Deramecourt V, Johnston JA, Evans D, Lovestone S, Letenneur L, Morón FJ, Rubinsztein DC, Eiriksdottir G, Sleegers K, Goate AM, Fiévet N, Huentelman MW, Gill M, Brown K, Kamboh MI, Keller L, Barberger-Gateau P, McGuiness B, Larson EB, Green R, Myers AJ, Dufouil C, Todd S, Wallon D, Love S, Rogaeva E, Gallacher J, St George-Hyslop P, Clarimon J, Lleo A, Bayer A, Tsuang DW, Yu L, Tsolaki M, Bossù P, Spalletta G, Proitsi P, Collinge J, Sorbi S, Sanchez-Garcia F, Fox NC, Hardy J, Deniz Naranjo MC, Bosco P, Clarke R, Brayne C, Galimberti D, Mancuso M, Matthews F, Moebus S, Mecocci P, Del Zompo M, Maier W, Hampel H, Pilotto A, Bullido M, Panza F, Caffarra P, Nacmias B, Gilbert JR, Mayhaus M, Lannefelt L, Hakonarson H, Pichler S, Carrasquillo MM, Ingelsson M, Beekly D, Alvarez V, Zou F, Valladares O, Younkin SG, Coto E, Hamilton-Nelson KL, Gu W, Razquin C, Pastor P, Mateo I, Owen MJ, Faber KM, Jonsson PV, Combarros O, O'Donovan MC, Cantwell LB, Soininen H, Blacker D, Mead S, Mosley TH, Bennett DA, Harris TB, Fratiglioni L, Holmes C, de Bruijn RF, Passmore P, Montine TJ, Bettens K, Rotter JI, Brice A, Morgan K, Foroud TM, Kukull WA, Hannequin D, Powell JF, Nalls MA, Ritchie K, Lunetta KL, Kauwe JS, Boerwinkle E, Riemenschneider M, Boada M, Hiltuenen M, Martin ER, Schmidt R, Rujescu D, Wang LS, Dartigues JF, Mayeux R, Tzourio C, Hofman A, Nöthen MM, Graff C, Psaty BM, Jones L, Haines JL, Holmans PA, Lathrop M, Pericak-Vance MA, Launer LJ, Farrer LA, van Duijn CM, Van Broeckhoven C, Moskvina V, Seshadri S, Williams J, Schellenberg GD, Amouyel P. Meta-analysis of 74,046 individuals identifies 11 new susceptibility loci for Alzheimer's disease. Nat Genet 2013; 45:1452-8. [PMID: 24162737 PMCID: PMC3896259 DOI: 10.1038/ng.2802] [Citation(s) in RCA: 2947] [Impact Index Per Article: 267.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Accepted: 09/27/2013] [Indexed: 12/12/2022]
Abstract
Eleven susceptibility loci for late-onset Alzheimer's disease (LOAD) were identified by previous studies; however, a large portion of the genetic risk for this disease remains unexplained. We conducted a large, two-stage meta-analysis of genome-wide association studies (GWAS) in individuals of European ancestry. In stage 1, we used genotyped and imputed data (7,055,881 SNPs) to perform meta-analysis on 4 previously published GWAS data sets consisting of 17,008 Alzheimer's disease cases and 37,154 controls. In stage 2, 11,632 SNPs were genotyped and tested for association in an independent set of 8,572 Alzheimer's disease cases and 11,312 controls. In addition to the APOE locus (encoding apolipoprotein E), 19 loci reached genome-wide significance (P < 5 × 10(-8)) in the combined stage 1 and stage 2 analysis, of which 11 are newly associated with Alzheimer's disease.
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Prieur X, Dollet L, Takahashi M, Nemani M, Pillot B, Le May C, Mounier C, Takigawa-Imamura H, Zelenika D, Matsuda F, Fève B, Capeau J, Lathrop M, Costet P, Cariou B, Magré J. Thiazolidinediones partially reverse the metabolic disturbances observed in Bscl2/seipin-deficient mice. Diabetologia 2013; 56:1813-25. [PMID: 23680914 DOI: 10.1007/s00125-013-2926-9] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Accepted: 04/11/2013] [Indexed: 11/26/2022]
Abstract
AIMS/HYPOTHESIS Mutations in BSCL2/seipin cause Berardinelli-Seip congenital lipodystrophy (BSCL), a rare recessive disorder characterised by near absence of adipose tissue and severe insulin resistance. We aimed to determine how seipin deficiency alters glucose and lipid homeostasis and whether thiazolidinediones can rescue the phenotype. METHODS Bscl2 (-/-) mice were generated and phenotyped. Mouse embryonic fibroblasts (MEFs) were used as a model of adipocyte differentiation. RESULTS As observed in humans, Bscl2 (-/-) mice displayed an early depletion of adipose tissue, with insulin resistance and severe hepatic steatosis. However, Bscl2 (-/-) mice exhibited an unexpected hypotriglyceridaemia due to increased clearance of triacylglycerol-rich lipoproteins (TRL) and uptake of fatty acids by the liver, with reduced basal energy expenditure. In vitro experiments with MEFs demonstrated that seipin deficiency led to impaired late adipocyte differentiation and increased basal lipolysis. Thiazolidinediones were able to rescue the adipogenesis impairment but not the alteration in lipolysis in Bscl2 (-/-) MEFs. In vivo treatment of Bscl2 (-/-) mice with pioglitazone for 9 weeks increased residual inguinal and mesenteric fat pads as well as plasma leptin and adiponectin concentrations. Pioglitazone treatment increased energy expenditure and improved insulin resistance, hypotriglyceridaemia and liver steatosis in these mice. CONCLUSIONS/INTERPRETATION Seipin plays a key role in the differentiation and storage capacity of adipocytes, and affects glucose and lipid homeostasis. The hypotriglyceridaemia observed in Bscl2 (-/-) mice is linked to increased uptake of TRL by the liver, offering a new model of liver steatosis. The demonstration that the metabolic complications associated with BSCL can be partially rescued with pioglitazone treatment opens an interesting therapeutic perspective for BSCL patients.
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Affiliation(s)
- X Prieur
- Inserm UMR_S1087, L'Institut du Thorax, IRS-UN, Nantes Cedex 1, France.
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7
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Quigley DA, Van Loo P, Alnæs GG, Tost J, Zelenika D, Balmain A, Børresen-Dale AL, Kristensen VN. Abstract P5-05-03: The 5p12 breast cancer susceptibility locus is associated with MRPS30 expression in estrogen receptor - positive tumors. Cancer Res 2012. [DOI: 10.1158/0008-5472.sabcs12-p5-05-03] [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: 11/16/2022]
Abstract
Abstract
Genome-wide association studies (GWAS) have identified numerous loci linked to breast cancer susceptibility, but few of these loci have been convincingly linked to causal variants. We identified genes whose mRNA expression is linked to germline variation in normal mammary tissue and breast tumors by performing a genome-wide expression Quantitative Trait Locus (eQTL) analysis in 97 samples of normal mammary tissue and 286 breast adenocarcinomas. In the tumors we found 164 cis-acting loci, which affect expression of nearby genes. Twenty nine of these loci are previously unreported in other eQTL studies, including a cis-acting locus at 5p12 affecting expression of the mitochondrial ribosomal 28S subunit protein MRPS30 in estrogen receptor-positive but not estrogen receptor-negative tumors. This locus has been associated with susceptibility to estrogen receptor-positive breast cancer in several GWAS, with MRPS30 being the suggested candidate gene. One of these studies found that the rs771660 variant was most significantly associated with breast cancer in the 5p12 region, and we found that rs771660 was most strongly associated with MRPS30 gene expression. We provide the first evidence that this breast cancer susceptibility locus affects MRPS30 expression specifically in estrogen receptor-positive tumors and suggest a mechanism for estrogen activation of MRPS30 via proteins in the AP-1 complex.
Citation Information: Cancer Res 2012;72(24 Suppl):Abstract nr P5-05-03.
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Affiliation(s)
- DA Quigley
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
| | - P Van Loo
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
| | - GG Alnæs
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
| | - J Tost
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
| | - D Zelenika
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
| | - A Balmain
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
| | - A-L Børresen-Dale
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
| | - VN Kristensen
- Institute for Cancer Research, Oslo University Hospital, Oslo, Norway; Wellcome Trust Sanger Institute, Hinxton, United Kingdom; Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA; CEA - Institut de Génomique, Evry, France
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8
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Antoni G, Morange PE, Luo Y, Saut N, Burgos G, Heath S, Germain M, Biron-Andreani C, Schved JF, Pernod G, Galan P, Zelenika D, Alessi MC, Drouet L, Visvikis-Siest S, Wells PS, Lathrop M, Emmerich J, Tregouet DA, Gagnon F. A multi-stage multi-design strategy provides strong evidence that the BAI3 locus is associated with early-onset venous thromboembolism. J Thromb Haemost 2010; 8:2671-9. [PMID: 20946148 DOI: 10.1111/j.1538-7836.2010.04092.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [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: 12/31/2022]
Abstract
BACKGROUND Factor VIII (FVIII) and von Willebrand factor (VWF) are two known quantitative risk factors for venous thromboembolism (VTE). OBJECTIVES To identify new loci that could contribute to VTE susceptibility and to modulating FVIII and/or VWF levels. PATIENTS/METHODS A pedigree linkage analysis was first performed in five extended French-Canadian families, including 253 individuals, to identify genomic regions linked to FVIII or VWF levels. Identified regions were further explored using 'in silico' genome-wide association studies (GWAS) data on VTE (419 patients and 1228 controls), and two independent case-control studies (MARTHA and FARIVE) for VTE, gathering 1166 early-onset patients and 1408 healthy individuals. Single nucleotide polymorphisms (SNPs) associated with VTE risk were further investigated in relation to plasma levels of FVIII and VWF in a cohort of 108 healthy nuclear families. RESULTS Four main linkage regions were identified, among which the well-characterized ABO locus, the recently identified STAB 2 gene, and a third one, on chromosome 6q13-14, harbouring four non-redundant SNPs, associated with VTE at P < 10(-4) in the GWAS dataset. The association of one of these SNPs, rs9363864, with VTE was further replicated in the MARTHA and FARIVE studies. The rs9363864-AA genotype was associated with a lower risk for VTE (OR = 0.58 [0.42-0.80], P = 0.0005) but mainly in non-carriers of the FV Leiden mutation. This genotype was further found to be associated with the lowest levels of FVIII (P = 0.006) and VWF (P = 0.001). CONCLUSIONS The BAI3 locus where the rs9363864 maps is a new candidate for VTE risk.
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Affiliation(s)
- G Antoni
- INSERM UMRS 937, Université Pierre et Marie Curie, Paris, France
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9
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Vasilj I, Ostojić Z, Ostojić L, Zelenika D, Misković J. [Hospital outcome in acute coronary syndrome in the period 1987-2001 in West-Herzegovina canton--retrospective study]. Med Arh 2006; 60:312-4. [PMID: 16944735] [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] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Objective of the study is to show prevalence of hospital mortality of acute coronary syndrome in pre-war (1987-1991), war (1992-1996) and after war period (1997-2001) among inhabitants of West-Herzegovina canton living in the following municipalities: Siroki Brijeg, Posusje, Grude and Ljubuski (88,992 inhabitants). Collected were data on patients who were admitted in the hospital due to acute coronar syndrome (category I 20, 21, 22- X revision, ICD) in the above period in Mostar. Data were analyzed in regard to sex, age and disease output. Hospital morality in 15 year period for both sex were 15.0 %, men 12.1 %, and women 20.2 %. Statistically it was not found significant differences in the period 1987-2001 in regards to total hospital mortality of men and women and separate hospital mortality of men. Differences were found in women where considerable larger number was in pre-war and post-war period in comparison with war period. The largest hospital mortality was in total and for women in the pre-war period and for men was during the war period. The smallest hospital mortality was in total and for women during the war and for men in pre-war period. We find that lower hospital mortality in women was caused by lower hospital admission because of war time and problems with transport and that larger number of women deceased before admission to the hospital.
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10
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Abstract
Peripheral tolerance to allogeneic organ grafts can be induced in rodents by treating with non-depleting CD4 and CD8 monoclonal antibodies. This tolerance is maintained by CD4+ T cells with a potent capacity to induce tolerance in further cohorts of T cells (i.e. infectious tolerance). We have cloned CD4+ T-cell subsets against the male transplantation antigen in vitro and find, in contrast to Th1 or Th2 clones that elicit rejection, that there is a distinct population of CD4+ T cells that suppress rejection by adoptive transfer (here called Treg). In order to identify molecular markers associated with tolerance and gain insights into the mechanisms of action of Treg cells, we carried out serial analysis of gene expression. We identified genes overexpressed in Treg compared to Th1 and Th2 cultures and found that some of these correlated in vivo with CD4-induced transplantation tolerance rather than rejection. The genes overexpressed in Treg cultures and within tolerated skin grafts were primarily expressed by mast cells (e.g. tryptophan hydroxylase and FcepsilonR1alpha), suggesting that regulatory cell activity and this form of tolerance may be associated with a localised but non-destructive form of Th2-like activation and a recruitment of mast cells.
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Affiliation(s)
- D Zelenika
- Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
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11
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Abstract
We have re-investigated the roles of CD4 and CD8 T cell subsets in skin graft rejection across a single class I MHC disparity. Recipient mice were transplanted with skin from donors transgenic for the class I MHC molecule Kb. As expected, CD8 T cells were sufficient for rapid injection; but surprisingly, CD4 T cells were also competent to do the same. Rejection was dependent on one or the other subset, since elimination of both resulted in indefinite graft survival. The possibility that alloantibody was the downstream effector of CD4 mediated rejection was excluded because CD8-depleted mice rendered B cell deficient still rejected rapidly, but T cell-depleted recipients with pre-existing high titers of alloantibody were unable to do so. In addition, if CD4 cells act to reject by recruiting and/or activating macrophages then this was not dependent on CR3, IFN-gamma or TNF-alpha. Transplantation of skin grafts where the MHC class I disparity was at the level of passenger leukocytes only, demonstrated that transient bystander damage could occur, but that this was insufficient to result in full rejection. We surmise that for CD4 T cells to reject an MHC class I-incompatible graft it is necessary that an appropriate allogeneic peptide is processed and presented in the context of recipient MHC class II. CD4 T cells from B6 mice may fail to reject skin from MHC class I mutants because of the lack of such MHC class II-restricted presentation.
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Affiliation(s)
- M Wise
- Sir William Dunn School of Pathology, Oxford, GB
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12
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Zelenika D, Adams E, Mellor A, Simpson E, Chandler P, Stockinger B, Waldmann H, Cobbold SP. Rejection of H-Y disparate skin grafts by monospecific CD4+ Th1 and Th2 cells: no requirement for CD8+ T cells or B cells. J Immunol 1998; 161:1868-74. [PMID: 9712055] [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] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
We wished to determine whether CD4+ T cells could reject a skin graft that was discordant for a single minor transplantation Ag in the absence of CD8+ T cells or Ab. Transgenic A1(M) mice were constructed that express the rearranged V beta 8.2 and V alpha 10 TCR genes from a T cell clone that is specific for the male Ag (H-Y) in the context of H2-Ek. In addition, the RAG-1(-/-) background was bred onto these mice to eliminate any endogenous TCR rearrangements. As expected, clonal deletion was found to be complete in the thymus of male A1(M) x RAG-1(-/-) mice, while only CD4+ T cells were positively selected and found in the periphery of females. Female A1(M) x RAG-1(-/-) mice were able to rapidly reject (in <14 days) male (but not female) skin grafts in a CD4-dependent fashion. After multiple grafts, it was confirmed that no CD8+ T cells or surface Ig+ B cells were present. An immunofluorescent analysis of spleen cells after grafting showed that the majority of T cells expressed activation markers (CD44, CD25, and intracytoplasmic IL-2) and a significant proportion were making IFN-gamma and IL-4. Surprisingly, the transfer of either Th1 or Th2 CD4+ T cell lines from these mice into T cell-depleted recipients was sufficient to cause a specific rejection of male skin.
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Affiliation(s)
- D Zelenika
- Therapeutic Immunology Group, Sir William Dunn School of Pathology, Oxford, United Kingdom
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13
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Zelenika D. Study of mechanisms of peripheral tolerance by T cell receptor transgenic mice. Immunol Lett 1997. [DOI: 10.1016/s0165-2478(97)87829-7] [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: 10/18/2022]
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14
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Abstract
Glial fibrillary acidic protein (GFAP) is the major intermediate filament protein in the mature astrocytes. We have assayed for the presence of GFAP mRNA gene in mouse tissues outside the nervous system. Nuclease S1 protection experiments show that RNAs lacking exon 1 are transcribed in bone marrow. From a mouse bone marrow cDNA library we isolated GFAP cDNAs which start in the 3' part of intron 1 and contain all the downstream GFAP exons. The new GFAP mRNAs, which we call GFAP gamma mRNAs, are already present in the brain at embryonic day 15 and in adult forebrain and cerebellum. Their presence in astrocytic cell lines suggests that astrocytes may be the site of in vivo expression of these mRNAs. In addition we have detected GFAP gamma mRNAs in mouse spleen. Furthermore in human an analogous GFAP mRNA containing the 3' part of intron 1 and lacking the exon 1 is also present in adult brain. These results suggest a new regulation of the GFAP gene expression.
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15
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Maksić D, Spasić P, Dimitrijević J, Topalov D, Marić M, Hrvacević R, Zelenika D. [An example of double glomerulonephritis with nephrotic syndrome]. VOJNOSANIT PREGL 1995; 52:67-71. [PMID: 7638955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Affiliation(s)
- D Maksić
- Vojnomedicinska akademija, Klinika za nefrologiju, Institut za patologiju i sudsku medicinu, Beograd
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16
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Grima B, Zelenika D, Javoy-Agid F, Pessac B. Identification of new human myelin basic protein transcripts in the immune and central nervous systems. Neurobiol Dis 1994; 1:61-6. [PMID: 9216987 DOI: 10.1006/nbdi.1994.0008] [Citation(s) in RCA: 13] [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] [Indexed: 02/04/2023] Open
Abstract
Five new myelin basic protein (MBP) transcripts were identified which each have preferential sites of expression in adult human brain and immune system. They contain a novel 5' coding region which presents extensive sequence similarity to the mouse 0' region. One of these ribonucleic acid (RNA) species, HMBPR1, is found essentially, if not only, in haemopoietic and immune cells. Two alternatively spliced transcripts called MBP2a and c are only expressed in the central nervous system (CNS). In addition, the two other transcripts are expressed in both immune and nervous systems. Thus, the MBP locus can generate multiple forms of RNA, whose start sites and splicing depend on the tissue in which they are expressed. The presence of an MBP transcript specifically expressed in the adult human immune system suggests previously unsuspected functions related to the pathogenesis of multiple sclerosis.
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Affiliation(s)
- B Grima
- CNRS UPR 9035, Développement et Immunité du Système Nerveux Central, 15 rue de l'Ecole de médecine, Paris, 75270, France
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17
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Maksić D, Spasić P, Dimitrijević J, Colić M, Marić M, Pantović R, Hrvacević R, Zelenika D, Jovanović D, Kovacević Z. [Clinical and morphologic characteristics of adult IgA nephropathy]. VOJNOSANIT PREGL 1994; 51:293-300. [PMID: 8560846] [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: 01/31/2023] Open
Abstract
Within the period 1987-1992 IgA nephropathy was diagnosed at the Nephrology Clinic of the Military Medical Academy in 61 patients aged from 17 to 41 years (mean +/- SD = 24.31 +/- 6.39). The aim of the study was to evaluate their importance as markers of progressive forms of IgA nephropathy by analysis of mutual relationship of clinical-laboratory and histopathological characteristics. Clinical form of the disease with recurrent macroscopic hematurias existed in 30 (49.2%) patients, and oligosymptomatic form in 31 (50.8%) patients. Acute renal failure of reversible oliguric character had 5 (8.2%) patients. Patients with recurrent macroscopic hematurias had more progressive course of IgA nephropathy which could be indirectly seen from the parameters of the global renal function. The most frequent histological form of IgA nephropathy was diffuse mesangioproliferative glomerulonephritis registered in 30 (49.2%) patients.
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Affiliation(s)
- D Maksić
- Vojnomedicinska akademija, Institut za patologiju i sudsku medicinu, Beograd
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18
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Jovanović D, Marić M, Skatarić V, Minić L, Zelenika D, Butorajac J. [Glomerulonephritis and infected ventriculoatrial shunt in hydrocephalus (shunt nephritis)]. VOJNOSANIT PREGL 1994; 51:158-61. [PMID: 8560829] [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: 01/31/2023] Open
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19
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Abstract
A cDNA clone (MBP2) corresponding to a novel mouse myelin basic protein (MBP) mRNA has been isolated from an adult mouse bone marrow cDNA library. It contains the MBP exons 1a-7 except exon 5. Using PCR experiments we have determined that this MBP2 mRNA belongs to a new MBP mRNA family initiated upstream from exon 1b. Their 5' end extends into exon 1a and/or the region 0' previously described. These mRNAs are generated by alternative splicing of the primary transcript involving excision of exon 1a, 1b, 2, 5, or 6. Thus, these new mRNAs are produced from a promoter(s) located upstream from the major promoter 1b. They are expressed in brain (at least from embryonic day 15), in bone marrow, and in other hemolymphopoietic tissues, particularly in macrophage cells. As their expression is not restricted to myelinating cells, the function of these novel MBP mRNAs and putative proteins might not be related to myelination.
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Affiliation(s)
- D Zelenika
- Centre de Biologie Cellulare du CNRS, Ivry/Seine, France
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20
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Abstract
Myelin basic protein (MBP) is a major constituent of myelin synthesized by oligodendrocytes and Schwann cells. We have investigated the expression of mouse MBP RNAs outside the nervous system. Nuclease protection experiments indicate that RNAs containing exon 1 and not the six downstream exons of the MBP gene are transcribed in various hemopoietic tissues. We have isolated a hemopoietic MBP-related (HMBPR) cDNA clone from a mouse bone marrow cDNA library screened with an MBP cDNA probe. This clone contains exons 1a and 1b and a part of intron 1 of the MBP gene. An additional 5' region, encoded by at least three unidentified exons, lies upstream of exon 1a. The HMBPR clone corresponds to a 5-kb RNA expressed in bone marrow, spleen, thymus, and macrophagic cells. This transcript is expressed at a similar level in brain, although at a lower level than the classical 2-kb mRNA. These data indicate that a new transcript, overlapping the MBP transcription unit and controlled by a distinct promoter, is expressed in hemopoietic tissues. This RNA might encode a 21-kDa protein sharing a common domain with MBP.
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Affiliation(s)
- B Grima
- Centre de Biologie Cellulaire du CNRS, ERS 28, Ivry/Seine, France
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21
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Lecain E, Zelenika D, Laine MC, Rhyner T, Pessac B. Isolation of a novel cDNA corresponding to a transcript expressed in the choroid plexus and leptomeninges. J Neurochem 1991; 56:2133-8. [PMID: 2027019 DOI: 10.1111/j.1471-4159.1991.tb03476.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [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: 12/29/2022]
Abstract
The CNS is composed of neurons and glial cells (i.e., astrocytes, oligodendrocytes, and microglia). The brain communicates with the blood circulation through choroid plexus and meninges as well as through the blood-brain barrier. To identify transcripts specifically expressed in a distinct brain cell type, we have previously constructed a subtracted cDNA library from the poly(A)+ RNAs of a velate protoplasmic-like astrocytic cell line, designated D19. This library was screened in order to isolate transcripts over-expressed in this astroglial cell line versus another astroglial cell line. Of the six recombinants which have been isolated, three sequences have not been described. Their sizes ranged from 100 to 200 bp and they hybridized to mRNAs expressed in vivo inside and outside the CNS. We have constructed a size-selected D19 cDNA library in order to obtain the full length cDNAs corresponding to the three undescribed sequences. We report here the isolation of a 1.6 kb cDNA corresponding to one of these recombinants, named p14. Its sequence has not yet been described and its deduced amino acid sequence codes for a 43 kDa protein with a putative signal peptide. In situ hybridization shows that this transcript is expressed at a high level in choroid plexus and leptomeninges and also in perivascular cells in the adult mouse brain. It is also expressed in cell subsets of kidney and gonads as well as in perivascular cells in skeletal and cardiac muscles. These localizations suggest that the encoded protein might be involved in transport processes and hormonally controlled.
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Affiliation(s)
- E Lecain
- Centre de Biologie Cellulaire du CNRS, Ivry sur Seine, France
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22
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Marche P, Limon I, Zelenika D, Koutouzov S. [Membrane abnormalities and cellular hyperreactivity in different models of hypertension]. Arch Mal Coeur Vaiss 1990; 83:1175-7. [PMID: 2124454] [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] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
In various models of hypertension of genetic origin, a hypersensitivity of phospholipase C has been demonstrated to participate in the hyperreactivity of platelets toward a variety of vasoactive agents. Since this abnormality could not be observed in the absence of cell stimulation, it could not account for the increase in free Ca2+ which has been reported in resting platelets in primary hypertension. Likewise, in hypertensive subjects, platelets behave hyperactive when stimulated by ADP, although the stimulus has been demonstrated to be a poor activator of phospholipase C. In order to gain insight into the membrane alteration that could account for the cellular hyperactivity which characterizes hypertensive subjects, we investigated, in resting platelets, the kinetics of radioactive labeling of major membrane phospholipids. Isolated platelets were prepared from SHR (4w and 17w of age), SHR-SP, Dahl salt-resistant and salt-sensitive rats fed either a low or a high salt diet, DOCA-salt hypertensive rats and from the appropriate normotensive controls. Irrespective of the radioactive precursor used (32P-orthophosphate, 3H-glycerol, 3H-choline), the labeling of phosphatidylcholine (PC) was markedly (up to 20 fold) enhanced in SHR (whichever their age) and SHR-SP compared with WKY. This increase, specific of PC, could not be accounted for by differences either in the actual amount of PC or in the uptake of various labels, suggesting an increased PC turnover. Such an increase was also observed in platelets of Dahl hypertensive rats but not in those of DOCA-salt hypertensive rats.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- P Marche
- Département de pharmacologie, INSERM U 7, CNRS URA 318, hôpital Necker, Paris
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