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Klein F, Klin P, Osses J, Díaz J, Bertolotti A, Favaloro R. Intensive care unit readmissions after lung transplantation: epidemiology and outcome. Crit Care 2007. [PMCID: PMC4095529 DOI: 10.1186/cc5636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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102
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Ahrens J, Altieri S, Annand JRM, Arends HJ, Beck R, Bradtke C, Braghieri A, d'Hose N, Dutz H, Goertz S, Grabmayr P, Hasegawa S, Heid E, Holvoet H, Van Hoorebeke L, Horikawa N, Iwata T, Jahn O, Jennewein P, Klein F, Kondratiev R, Lang M, Lannoy B, Lisin V, Martinez-Fabregate M, McGeorge JC, Meyer W, Panzeri A, Pedroni P, Pinelli T, Preobrajenski I, Reicherz G, Rohlof C, Rosner G, Rost M, Rostomyan T, Ryckbosch D, Schumacher M, Seitz B, Tamas G, Thomas A, Van de Vyver R, Zapadtka F. Measurement of the Gerasimov-Drell-Hearn Integrand for 2H from 200 to 800 MeV. PHYSICAL REVIEW LETTERS 2006; 97:202303. [PMID: 17155680 DOI: 10.1103/physrevlett.97.202303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2006] [Indexed: 05/12/2023]
Abstract
A measurement of the helicity dependence of the total inclusive photoabsorption cross section on the deuteron was carried out at MAMI (Mainz) in the energy range 200<Egamma<800 MeV. The experiment used a 4pi detection system, a circularly polarized tagged photon beam and a frozen-spin target which provided longitudinally polarized deuterons. The contribution to the Gerasimov-Drell-Hearn sum rule for the deuteron determined from the data is 407+/-20(stat)+/-24(syst) mu b for 200<Egamma<800 MeV.
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Klein F, Feldhahn N, Herzog S, Sprangers M, Mooster JL, Jumaa H, Müschen M. BCR-ABL1 induces aberrant splicing of IKAROS and lineage infidelity in pre-B lymphoblastic leukemia cells. Oncogene 2006; 25:1118-24. [PMID: 16205638 DOI: 10.1038/sj.onc.1209133] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Pre-B lymphoblastic leukemia cells carrying a BCR-ABL1 gene rearrangement exhibit an undifferentiated phenotype. Comparing the genome-wide gene expression profiles of normal B-cell subsets and BCR-ABL1+ pre-B lymphoblastic leukemia cells by SAGE, the leukemia cells show loss of B lymphoid identity and aberrant expression of myeloid lineage-specific molecules. Consistent with this, BCR-ABL1+ pre-B lymphoblastic leukemia cells exhibit defective expression of IKAROS, a transcription factor needed for early lymphoid lineage commitment. As shown by inducible expression of BCR-ABL1 in human and murine B-cell precursor cell lines, BCR-ABL1 induces the expression of a dominant-negative IKAROS splice variant, termed IK6. Comparing matched leukemia sample pairs from patients before and during therapy with the BCR-ABL1 kinase inhibitor STI571 (Imatinib), inhibition of BCR-ABL1 partially corrected aberrant expression of IK6 and lineage infidelity of the leukemia cells. To elucidate the contribution of IK6 to lineage infidelity in BCR-ABL1+ cell lines, IK6 expression was silenced by RNA interference. Upon inhibition of IK6, BCR-ABL1+ leukemia cells partially restored B lymphoid lineage commitment. Therefore, we propose that BCR-ABL1 induces aberrant splicing of IKAROS, which interferes with lineage identity and differentiation of pre-B lymphoblastic leukemia cells.
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104
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Bischofs I, Lehnert D, Klein F, Bastmeyer M, Schwarz U. Cell shape on micro-patterned adhesive substrates. J Biomech 2006. [DOI: 10.1016/s0021-9290(06)84606-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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105
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Alexakhin VY, Alexandrov Y, Alexeev GD, Amoroso A, Badełek B, Balestra F, Ball J, Baum G, Bedfer Y, Berglund P, Bernet C, Bertini R, Birsa R, Bisplinghoff J, Bradamante F, Bravar A, Bressan A, Burtin E, Bussa MP, Cerini L, Chapiro A, Cicuttin A, Colantoni M, Colavita AA, Costa S, Crespo ML, d'Hose N, Dalla Torre S, Dasgupta SS, De Masi R, Dedek N, Denisov OY, Dhara L, Diaz Kavka V, Dolgopolov AV, Donskov SV, Dorofeev VA, Doshita N, Duic V, Dünnweber W, Efremov A, Ehlers J, Eversheim PD, Eyrich W, Fabro M, Faessler M, Fauland P, Ferrero A, Ferrero L, Finger M, Finger M, Fischer H, Franz J, Friedrich JM, Frolov V, Fuchs U, Garfagnini R, Gautheron F, Gavrichtchouk OP, Gerassimov S, Geyer R, Giorgi M, Gobbo B, Goertz S, Grajek OA, Grasso A, Grube B, Grünemaier A, Gustafsson K, Hannappel J, von Harrach D, Hasegawa T, Hedicke S, Heinsius FH, Hinterberger F, von Hodenberg M, Horikawa N, Horikawa S, Ijaduola RB, Ilgner C, Ishimoto S, Iwata T, Jahn R, Janata A, Joosten R, Jouravlev NI, Kabuss E, Kalinnikov V, Kang D, Karstens F, Kastaun W, Ketzer B, Khaustov GV, Khokhlov YA, Kisselev Y, Klein F, Koivuniemi JH, Kolosov VN, Komissarov EV, Kondo K, Königsmann K, Konoplyannikov AK, Konorov I, Konstantinov VF, Korentchenko AS, Korzenev A, Kotzinian AM, Koutchinski NA, Kowalik K, Kravchuk NP, Krivokhizhin GV, Kroumchtein ZV, Kuhn R, Kunne F, Kurek K, Lamanna M, Le Goff JM, Leberig M, Lichtenstadt J, Maggiora A, Maggiora M, Magnon A, Mallot GK, Manuilov IV, Marchand C, Marroncle J, Martin A, Marzec J, Matsuda T, Maximov AN, Medved KS, Meyer W, Mielech A, Mikhailov YV, Moinester MA, Nähle O, Nassalski J, Neyret DP, Nikolaenko VI, Nozdrin AA, Obraztsov VF, Olshevsky AG, Ostrick M, Padee A, Pagano P, Panebianco S, Panzieri D, Paul S, Pereira HD, Peshekhonov DV, Peshekhonov VD, Piragino G, Platchkov S, Platzer K, Pochodzalla J, Polyakov VA, Popov AA, Pretz J, Rebourgeard PC, Reicherz G, Reymann J, Rozhdestvensky AM, Rondio E, Sadovski AB, Saller E, Samoylenko VD, Sandacz A, Sans M, Sapozhnikov MG, Savin IA, Schiavon P, Schmidt T, Schmitt H, Schmitt L, Shishkin AA, Siebert H, Sinha L, Sissakian AN, Skachkova A, Slunecka M, Smirnov GI, Sugonyaev VP, Stinzing F, Sulej R, Takabayashi N, Tchalishev VV, Tessarotto F, Teufel A, Thers D, Tkatchev LG, Toeda T, Tretyak VI, Trousov S, Vlassov NV, Webb R, Weise E, Wiesmann M, Windmolders R, Wirth S, Wiślicki W, Zanetti AM, Zaremba K, Zhao J, Ziegler R, Zvyagin A. First measurement of the transverse spin asymmetries of the deuteron in semi-inclusive deep inelastic scattering. PHYSICAL REVIEW LETTERS 2005; 94:202002. [PMID: 16090237 DOI: 10.1103/physrevlett.94.202002] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2005] [Indexed: 05/03/2023]
Abstract
First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6LiD target are presented. The data were taken in 2002 with the COMPASS spectrometer using the muon beam of the CERN SPS at 160 GeV/c. The Collins asymmetry turns out to be compatible with zero, as does the measured Sivers asymmetry within the present statistical errors.
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106
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Dutz H, Helbing K, Krimmer J, Speckner T, Zeitler G, Ahrens J, Altieri S, Annand JRM, Anton G, Arends HJ, Beck R, Bock A, Bradtke C, Braghieri A, v Drachenfels W, Frommberger F, Godo M, Goertz S, Grabmayr P, Hasegawa S, Hansen K, Harmsen J, Heid E, Hillert W, Holvoet H, Horikawa N, Iwata T, Van Hoorebeke L, d'Hose N, Jennewein P, Kiel B, Klein F, Kondratiev R, Lang M, Lannoy B, Leukel R, Lisin V, Menze D, Meyer W, Michel T, Naumann J, Panzeri A, Pedroni P, Pinelli T, Preobrajenski I, Radtke E, Reicherz G, Rohlof C, Rostomyan T, Sauer M, Schoch B, Schumacher M, Tamas G, Thomas A, van de Vyver R, Weihofen W, Zapadtka F. Measurement of helicity-dependent photoabsorption cross sections on the neutron from 815 to 1825 MeV. PHYSICAL REVIEW LETTERS 2005; 94:162001. [PMID: 15904214 DOI: 10.1103/physrevlett.94.162001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2004] [Indexed: 05/02/2023]
Abstract
Helicity-dependent total photoabsorption cross sections on the deuteron have been measured for the first time at ELSA (Bonn) in the photon energy range from 815 to 1825 MeV. Circularly polarized tagged photons impinging on a longitudinally polarized LiD target have been used together with a highly efficient 4pi detector system. The data around 1 GeV are not compatible with predictions from existing multipole analyses. From the measured energy range an experimental contribution to the GDH integral on the neutron of [33.9 +/- 5.5(stat) +/- 4.5(syst)] microb is extracted.
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Credé V, Bartholomy O, Anisovich AV, Anton G, Bantes R, Beloglazov Y, Bogendörfer R, Castelijns R, Ehmanns A, Ernst J, Fabry I, Flemming H, Fösel A, Freiesleben H, Fuchs M, Funke C, Gothe R, Gridnev A, Gutz E, Höffgen SK, Horn I, Hössl J, Joosten R, Junkersfeld J, Kalinowsky H, Klein F, Klempt E, Koch H, Konrad M, Kopf B, Krusche B, Langheinrich J, Löhner H, Lopatin I, Lotz J, Matthäy H, Menze D, Messchendorp J, Morales C, Novinski D, Ostrick M, van Pee H, Radkov A, Reinnarth J, Sarantsev AV, Schadmand S, Schmidt C, Schmieden H, Schoch B, Suft G, Sumachev V, Szczepanek T, Thoma U, Walther D, Weinheimer C. Photoproduction of eta mesons off protons for 0.75 GeV<E(gamma)<3 GeV. PHYSICAL REVIEW LETTERS 2005; 94:012004. [PMID: 15698071 DOI: 10.1103/physrevlett.94.012004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2003] [Revised: 07/14/2004] [Indexed: 05/24/2023]
Abstract
Total and differential cross sections for the reaction p(gamma,eta)p have been measured for photon energies in the range from 750 MeV to 3 GeV. The low-energy data are dominated by the S11 wave which has two poles in the energy region below 2 GeV. Eleven nucleon resonances are observed in their decay into peta. At medium energies we find evidence for a new resonance N(2070)D15 with (M,Gamma)=(2068+/-22, 295+/-40) MeV. At gamma energies above 1.5 GeV, a strong peak in the forward direction develops, signaling the exchange of vector mesons in the t channel.
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Bartholomy O, Credé V, van Pee H, Anisovich AV, Anton G, Bantes R, Beloglazov Y, Bogendörfer R, Castelijns R, Ehmanns A, Ernst J, Fabry I, Flemming H, Fösel A, Freiesleben H, Fuchs M, Funke C, Gothe R, Gridnev A, Gutz E, Höffgen SK, Horn I, Hössl J, Joosten R, Junkersfeld J, Kalinowsky H, Klein F, Klempt E, Koch H, Konrad M, Kopf B, Krusche B, Langheinrich J, Löhner H, Lopatin I, Lotz J, Matthäy H, Menze D, Messchendorp J, Morales C, Novinski D, Ostrick M, Radkov A, Reinnarth J, Sarantsev AV, Schadmand S, Schmidt C, Schmieden H, Schoch B, Suft G, Sumachev V, Szczepanek T, Thoma U, Walther D, Weinheimer C. Neutral-pion photoproduction off protons in the energy range 0.3 GeV<E(gamma)<3 GeV. PHYSICAL REVIEW LETTERS 2005; 94:012003. [PMID: 15698070 DOI: 10.1103/physrevlett.94.012003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2004] [Indexed: 05/24/2023]
Abstract
Single pi(0) photoproduction has been studied with the CB-ELSA experiment at Bonn using tagged photon energies between 0.3 and 3.0 GeV. The experimental setup covers a very large solid angle of approximately 98% of 4pi. Differential cross sections dsigma/dOmega have been measured. Complicated structures in the angular distributions indicate a variety of different resonances being produced in the s channel intermediate state gammap-->N(*)(Delta(*))-->ppi(0). A combined analysis including the data presented in this letter along with other data sets reveals contributions from known resonances and evidence for a new resonance N(2070)D15.
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109
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Hartl G, Zachos F, Nadlinger K, Ratkiewicz M, Klein F, Lang G. Allozyme and mitochondrial DNA analysis of French red deer (Cervus elaphus) populations: genetic structure and its implications for management and conservation. Mamm Biol 2005. [DOI: 10.1078/1616-5047-00173] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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110
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Dutz H, Helbing K, Krimmer J, Speckner T, Zeitler G, Ahrens J, Altieri S, Annand JRM, Anton G, Arends HJ, Beck R, Bock A, Bradtke C, Braghieri A, v Drachenfels W, Frommberger F, Godo M, Goertz S, Grabmayr P, Hasegawa S, Hansen K, Harmsen J, Heid E, Hillert W, Holvoet H, Horikawa N, Iwata T, Hoorebeke LV, D'Hose N, Jennewein P, Kiel B, Klein F, Kondratiev R, Lang M, Lannoy B, Leukel R, Lisin V, Menze D, Meyer W, Michel T, Naumann J, Panzeri A, Pedroni P, Pinelli T, Preobrajenski I, Radtke E, Reicherz G, Rohlof C, Rostomyan T, Sauer M, Schoch B, Schumacher M, Tamas G, Thomas A, van de Vyver R, Weihofen W, Zapadtka F. Experimental check of the Gerasimov-Drell-Hearn sum rule for 1H. PHYSICAL REVIEW LETTERS 2004; 93:032003. [PMID: 15323817 DOI: 10.1103/physrevlett.93.032003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2004] [Indexed: 05/24/2023]
Abstract
For the first time we checked the fundamental Gerasimov-Drell-Hearn (GDH) sum rule for the proton experimentally in the photon energy range from 0.2-2.9 GeV with the tagged photon facilities at MAMI (Mainz) and ELSA (Bonn). New data of the doubly polarized total cross section difference are presented in the energy range from 1.6 to 2.9 GeV. The contribution to the GDH integral from 0.2-2.9 GeV yields [254+/-5(stat)+/-12(syst)] microb with negative contributions in the Regge regime at photon energies above 2.1 GeV. This trend supports the validity of the GDH sum rule.
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Favaloro R, Bertolotti A, Gomez C, Klein F, Abud J, Caneva J, Osses J, Nagel C, Vigliano C. Lung transplant at the Favaloro Foundation: A 13-year experience. Transplant Proc 2004; 36:1689-91. [PMID: 15350454 DOI: 10.1016/j.transproceed.2004.06.060] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND The outcomes of lung transplantation (LT) are well known in developed countries, but not in Latin America. Our objective was to report the LT experience at a single center in Argentina. METHODS From June 1994 to February 2003, the 54 LT that were performed included 36 single-lung transplants SLT (45.5%) and 18 double-lung transplants (DSLT) (22.7%). Indications for SLT (n = 36) were emphysema (n = 23) and pulmonary fibrosis (n = 13); for DSLT (n = 18), bronchiectasis (n = 8), cystic fibrosis (n = 8), pulmonary emphysema (n = 1), and bronchiolitis obliterans syndrome caused by graft-versus-host disease after bone-marrow transplantation (n = 1). A univariate analysis, chi-square test with Yates' correction was used for qualitative variables; Wilcoxon-Mann-Whitney test, for quantitative and ordinal variables. Survivals were estimated by the Kaplan-Meier method. RESULTS In-hospital mortality (HM) was 21.1%. Among SLT, early death was due to sepsis in six patients and by ischemia-reperfusion injury (IRI) and acute rejection in other two. In DSLT, two patients died due to IRI and one, sepsis. The overall estimated survival rates at 1, 2, and 4 years were 70.1% +/- 6.5%, 54.3% +/- 7.2%, and 44.3% +/- 7.9%, respectively. The median overall survival was 26.5 (10 to 34) months. When HM was excluded, survival at 4 years was 51.3% +/- 8.7%. The estimated survival at 3 years was 43.3% +/- 9.3% for SLT and 58.7% +/- 13% for DSLT (P = 6). Survival differences according to the baseline diagnosis were not significant (P =.6). Median follow-up time (percentiles 25 to 75) was 16 (2 to 27) months. CONCLUSIONS Our LT program shows similar results to those reported by the International Society for Heart and Lung Transplantation for developed countries.
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Favaloro R, Diez M, Bertolotti A, Gomez C, Favaloro L, Abud J, Nagel C, Vigliano C, Klein F, Perrone S. Orthotopic heart transplantation in elderly patients: A 10-year experience at a single center. Transplant Proc 2004; 36:1692-4. [PMID: 15350455 DOI: 10.1016/j.transproceed.2004.06.061] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
INTRODUCTION A consensus has not yet been reached regarding the indications for orthotopic heart transplantation (OHT) in elderly patients or the age limit contraindicating the procedure. The objective of this study was to assess OHT outcomes to determine whether elderly patients benefit from the procedure. METHODS From February 1993 to February 2003, 178 OHTs were performed on recipients of mean age 47.4 +/- 15 years (range, 4 to 74) including 80.3% men. The population was divided into two groups: group A included patients >/= 60 years, and group B those younger than that age. Survival was analyzed for the overall population and for both age groups during a 10-year follow-up period. RESULTS Group A included 36 patients (20.8%) and group B 142 patients (79.2%). Mean age was 63.7 +/- 2.9 years (60 to 74) in A, and 43 +/- 13.9 years (4 to 59) in B. In-hospital mortality was significantly higher among group A (n = 11, 31.4%) compared to B (n = 17, 12.1%, P =.008). Survival at 1, 5, and 10 years was 61.5% +/- 8%, 58.1% +/- 8.3%, and 49.8% +/- 10.5% group A; and 84.2% +/- 3%, 73.7% +/- 4.1%, and 69.9% +/- 4.7 for group B. Elderly patients showed a lower survival rate (49.8%) compared with the younger group (69.9%) at 10-year follow-up (P =.007). Conditional survival at 9 years failed to show significant differences (A 72.2% vs B 79.6%, P =.4). CONCLUSION In our population, elderly recipients showed a higher in-hospital mortality. However, when the first post-OHT year was excluded, we found similar survival rates for both age groups.
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Lang S, Pesson B, Klein F, Schreiber A. Wildlife genetics and disease: allozyme evolution in the wild boar (Sus scrofa) caused by a swine fever epidemy. Genet Sel Evol 2004; 32:303-10. [PMID: 14736394 PMCID: PMC2706889 DOI: 10.1186/1297-9686-32-3-303] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Enzyme polymorphism at 42 loci was compared before and after a major epidemy of swine fever in wild boars from northern Vosges (France). No change was observed in the 38 monomorphic loci, but allele frequencies at the phosphoglucomutase locus PGM-2* changed significantly. Possible causes for this observation are discussed, and it appears that PGM-2 locus could be a genetic marker of resistance to this viral disease.
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Wiederkehr C, Basavaraj R, Sarrauste de Menthière C, Hermida L, Koch R, Schlecht U, Amon A, Brachat S, Breitenbach M, Briza P, Caburet S, Cherry M, Davis R, Deutschbauer A, Dickinson HG, Dumitrescu T, Fellous M, Goldman A, Grootegoed JA, Hawley R, Ishii R, Jégou B, Kaufman RJ, Klein F, Lamb N, Maro B, Nasmyth K, Nicolas A, Orr-Weaver T, Philippsen P, Pineau C, Rabitsch KP, Reinke V, Roest H, Saunders W, Schröder M, Schedl T, Siep M, Villeneuve A, Wolgemuth DJ, Yamamoto M, Zickler D, Esposito RE, Primig M. GermOnline, a cross-species community knowledgebase on germ cell differentiation. Nucleic Acids Res 2004; 32:D560-7. [PMID: 14681481 PMCID: PMC308789 DOI: 10.1093/nar/gkh055] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
GermOnline provides information and microarray expression data for genes involved in mitosis and meiosis, gamete formation and germ line development across species. The database has been developed, and is being curated and updated, by life scientists in cooperation with bioinformaticists. Information is contributed through an online form using free text, images and the controlled vocabulary developed by the GeneOntology Consortium. Authors provide up to three references in support of their contribution. The database is governed by an international board of scientists to ensure a standardized data format and the highest quality of GermOnline's information content. Release 2.0 provides exclusive access to microarray expression data from Saccharomyces cerevisiae and Rattus norvegicus, as well as curated information on approximately 700 genes from various organisms. The locus report pages include links to external databases that contain relevant annotation, microarray expression and proteome data. Conversely, the Saccharomyces Genome Database (SGD), S.cerevisiae GeneDB and Swiss-Prot link to the budding yeast section of GermOnline from their respective locus pages. GermOnline, a fully operational prototype subject-oriented knowledgebase designed for community annotation and array data visualization, is accessible at http://www.germonline.org. The target audience includes researchers who work on mitotic cell division, meiosis, gametogenesis, germ line development, human reproductive health and comparative genomics.
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Klein F, Díaz J, Duronto E, Klin P. Crit Care 2004; 8:P124. [DOI: 10.1186/cc2591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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116
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Figal J, Gonzalez J, Chaves J, Fava G, Kerbage S, Galizio N, Klein F. P-323 Myocardial revascularization (MR) in malignant ventricular arrythmias (MVA) survivors effects on recurrence and arrythmias inducibility. Europace 2003. [DOI: 10.1016/eupace/4.supplement_2.b142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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117
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Dutz H, Helbing K, Krimmer J, Speckner T, Zeitler G, Ahrens J, Altieri S, Annand JRM, Anton G, Arends HJ, Beck R, Bock A, Bradtke C, Braghieri A, v Drachenfels W, Frommberger F, Godo M, Goertz S, Grabmayr P, Hasegawa S, Hansen K, Harmsen J, Heid E, Hillert W, Holvoet H, Horikawa N, Iwata T, Van Hoorebeke L, d'Hose N, Jennewein P, Kiel B, Klein F, Kondratiev R, Lang M, Lannoy B, Leukel R, Lisin V, Menze D, Meyer W, Michel T, Naumann J, Panzeri A, Pedroni P, Pinelli T, Preobrajenski I, Radtke E, Reicherz G, Rohlof C, Rostomyan T, Sauer M, Schoch B, Schumacher M, Tamas G, Thomas A, van de Vyver R, Weihofen W, Zapadtka F. First Measurement of the Gerasimov-Drell-Hearn Sum Rule for 1H from 0.7 to 1.8 GeV at ELSA. PHYSICAL REVIEW LETTERS 2003; 91:192001. [PMID: 14611575 DOI: 10.1103/physrevlett.91.192001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2003] [Indexed: 05/24/2023]
Abstract
To verify the fundamental Gerasimov-Drell-Hearn (GDH) sum rule for the first time experimentally, we measured the helicity dependent total photoabsorption cross section with circularly polarized real photons and longitudinally polarized nucleons in the photon energy range 0.68-1.82 GeV with the tagged photon facility at ELSA. The experiment was carried out with a 4pi detection system, a circularly polarized tagged photon beam, and a frozen spin polarized proton target. The contribution to the GDH sum rule in this photon energy range is [49.9+/-2.4(stat)+/-2.2(syst)] microb.
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Perrone S, Klein F, Cadeiras M, Peradejordi M, Daviccino M, Suarez J, Garello E, Macchia A. Crit Care 2003; 7:P19. [DOI: 10.1186/cc2215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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119
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Heidel KM, Benarroch EE, Gené R, Klein F, Meli F, Saadia D, Nogués MA. Cardiovascular and respiratory consequences of bilateral involvement of the medullary intermediate reticular formation in syringobulbia. Clin Auton Res 2002; 12:450-6. [PMID: 12598949 DOI: 10.1007/s10286-002-0075-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
We studied five patients with clinical and radiological evidence of syringobulbia (SB) to determine whether the distribution of lesions in relationship to the cardiorespiratory control networks in the medullary intermediate reticular zone (IRt) correlates with the presence of abnormalities in autonomic cardiovascular and respiratory control in these patients. All patients underwent high resolution MRI to characterize the size, volume and distribution of the SB lesions, cardiovascular autonomic function testing and polysomnography. One patient with bilateral IRt involvement at both the rostral and caudal medulla had orthostatic hypotension (OH), absent HR(DB), abnormal Valsalva ratio, exaggerated fall of BP during phase II and absent phase IV during VM, and a dramatic fall of BP during head up tilt; this patient also had severe obstructive sleep apnea (OSA) and exhibited BP drops during each respiratory effort. A second patient, with bilateral IRt involvement restricted to the caudal medulla, had less severe cardiovascular autonomic dysfunction but also exhibited severe OSA. The other three patients had small SB cavities sparing the IRt and had sleep apnea but no autonomic dysfunction. Autonomic dysfunction could not be related to the size of the syrinx or the degree of atrophy in the cervical spinal cord in any of the five patients. Bilateral involvement of the IRt by SB produces cardiovascular autonomic failure and sleep apnea. In patients with more restricted lesions, autonomic and respiratory dysfunction may be dissociated. Clinico-radiological correlations using high resolution MRI assessment of medullary lesions can provide insight into the central organization of cardiovascular and respiratory control in humans.
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Ahrens J, Altieri S, Annand JRM, Anton G, Arends HJ, Aulenbacher K, Beck R, Bradtke C, Braghieri A, Degrande N, D'Hose N, Drechsel D, Dutz H, Goertz S, Grabmayr P, Hansen K, Harmsen J, Von Harrach D, Hasegawa S, Hasegawa T, Heid E, Helbing K, Holvoet H, Van Hoorebeke L, Horikawa N, Iwata T, Jahn O, Jennewein P, Kageya T, Kamalov S, Kiel B, Klein F, Kondratiev R, Kossert K, Krimmer J, Lang M, Lannoy B, Leukel R, Lisin V, Matsuda T, McGeorge JC, Meier A, Menze D, Meyer W, Michel T, Naumann J, Panzeri A, Pedroni P, Pinelli T, Preobrajenski I, Radtke E, Reichert E, Reicherz G, Rohlof C, Rosner G, Ryckbosch D, Sauer M, Schoch B, Schumacher M, Seitz B, Speckner T, Takabayashi N, Tamas G, Thomas A, Tiator L, Van Vyver R, Wakai A, Weihofen W, Wissmann F, Zapadtka F, Zeitler G. Helicity amplitudes A1/2 and A3/2 for the D13(1520) resonance obtained from the gamma-->p-->-->ppi(0) Reaction. PHYSICAL REVIEW LETTERS 2002; 88:232002. [PMID: 12059355 DOI: 10.1103/physrevlett.88.232002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2002] [Indexed: 05/23/2023]
Abstract
The helicity dependence of the gamma-->p-->-->ppi(0) reaction has been measured for the first time in the photon-energy range from 550 to 790 MeV. The experiment, performed at the Mainz microtron MAMI, used a 4pi-detector system, a circularly polarized, tagged photon beam, and a longitudinally polarized frozen-spin target. These data are predominantly sensitive to the D13(1520) resonance and are used to determine its helicity amplitudes.
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Windisch P, Sculean A, Klein F, Tóth V, Eickholz P, István G. [Comparative analysis of the sensitivity and accuracy of clinical, radiographic and histometric measurements in assessing periodontal attachment levels]. FOGORVOSI SZEMLE 2002; 95:93-8. [PMID: 12141193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
The ultimate goal of the regenerative periodontal treatment is the de novo formation of new connective tissue attachment with the regrowth of the alveolar bone. Clinically it is very difficult to evaluate the nature of clinical healing and prove the occurrence of real periodontal regeneration. The aim of the present study was to compare the clinical and radiographic parameters with the histometric findings following two different periodontal regenerative procedures in humans.
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Chapman OL, Koch TH, Klein F, Nelson PJ, Brown EL. Photochemical transformations. XXV. Two triplet mechanisms in photochemical addition of 2-cyclohexenones to 1,1-dimethoxyethylene. J Am Chem Soc 2002. [DOI: 10.1021/ja01008a050] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bartsch P, Baumann D, Bermuth J, Böhm R, Bohinc K, Bosnar D, Ding M, Distler M, Drechsel D, Elsner D, Ewald I, Friedrich J, Friedrich JM, Grözinger S, Hedicke S, Jennewein P, Kahrau M, Kamalov SS, Klein F, Krygier KW, Liesenfeld A, Merkel H, Merle P, Müller U, Neuhausen R, Pospischil T, Potokar M, Rosner G, Schmieden H, Seimetz M, Süle A, Tiator L, Wagner A, Walcher T, Weis M. Measurement of the beam-helicity asymmetry in the p((-->)e,e'p)pi(0) reaction at the energy of the Delta(1232) resonance. PHYSICAL REVIEW LETTERS 2002; 88:142001. [PMID: 11955140 DOI: 10.1103/physrevlett.88.142001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2001] [Indexed: 05/23/2023]
Abstract
In a p((-->)e,e'p)pi(0) out-of-plane coincidence experiment at the three-spectrometer setup of the Mainz Microtron MAMI, the beam-helicity asymmetry has been precisely measured around the energy of the Delta(1232) resonance and Q(2) = 0.2(GeV/c)(2). The results are in disagreement with three up-to-date model calculations. This is interpreted as a lack of understanding of the nonresonant background, which in dynamical models is related to the pion cloud.
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Klein F, Kim TS, Hassfeld S, Staehle HJ, Reitmeir P, Holle R, Eickholz P. Radiographic defect depth and width for prognosis and description of periodontal healing of infrabony defects. J Periodontol 2001; 72:1639-46. [PMID: 11811498 DOI: 10.1902/jop.2001.72.12.1639] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND The aims of the present study were to evaluate 1) defect depth and width as a prognostic factor and 2) change in defect width as a describing parameter of periodontal healing in infrabony defects treated by regenerative therapy after 6 and 24 months. METHODS In 24 patients with advanced periodontitis, 39 infrabony defects were treated by guided tissue regeneration (GTR) using expanded polytetrafluoroethylene (ePTFE) (n = 7) or bioabsorbable barriers (n = 32). Clinical parameters were assessed and 39 standardized radiographs (in triplicate) were taken before and 6 and 24 months after surgery. Using a computer-assisted analysis, the depth, width, and angle of the bony defects were measured. RESULTS Statistically significant vertical clinical attachment gains (CAL-V: 3.15 +/- 1.63 mm to 3.31 +/- 1.65 mm; P<0.001) and bony fill (1.30 +/- 2.53 mm; P<0.01 to 1.54 +/- 2.70 mm; P<0.005) were observed 6 and 24 months postsurgically. In a multilevel regression analysis CAL-V gain was predicted by baseline CAL-V (P <0.0001), actual smoking (P <0.05), and age (P <0.1). Bony fill could be predicted by baseline height of the infrabony component (P<0.0001), gingival index at baseline (P<0.05), and actual smoking (P <0.01). In narrow (<26 degrees) and deep (> or = 3 mm) infrabony defects bony fill was more pronounced than in wide and shallow defects (P <0.05). CONCLUSIONS Improvement achieved by guided tissue regeneration in infrabony defects can be maintained up to 24 months after surgery. Narrow and deep infrabony defects respond radiographically and to some extent clinically more favorably to GTR therapy than wide and shallow defects. However, depth of the infrabony component was a stronger prognostic parameter than defect angle. Actual smoking impairs the results of GTR therapy in infrabony defects.
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