Publications

1005 Publications visible to you, out of a total of 1005

Abstract

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Authors: Konrad Höffner, Franziska Jahn, Christian Kücherer, Barbara Paech, Birgit Schneider, Martin Schöbel, Sebastian Stäubert, Alfred Winter

Date Published: 2017

Publication Type: Journal article

Abstract

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Authors: Christian Kücherer, Barbara Paech

Date Published: 2017

Publication Type: InProceedings

Abstract

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Authors: Jan-David Liebe, Oliver Thomas, Franziska Jahn, Christian Kücherer, Moritz Esdar, Jan-Patrick Weiß, Jens Hüsers, Ursula Hübner

Date Published: 2017

Publication Type: InProceedings

Abstract (Expand)

BACKGROUND: Conflicting results exist on the effect of allergen immunotherapy (AIT) on pollen-related food allergy. We aimed to investigate the efficacy of one-year AIT with the folding variant (FV) of recombinant (r) Bet v 1 on birch-related soya allergy. METHODS: Of 138 subjects with Bet v 1 sensitization, 82 were positive at double-blind placebo-controlled food challenge (DBPCFC) with soya. A total of 56 of 82 were randomized in the ratio of 2:1 (active: placebo). Per-protocol population (PPP) had received >/=150 mug of allergen or placebo preparation. OUTCOME MEASURES: lowest observed adverse effect levels (LOAEL), postinterventional occurrence of objective signs (objS) at any dose level, sIgE/IgG4 against Bet v 1 and Gly m 4. Between-group changes were investigated (ancova, Mann-Whitney U-test, Fisher exact test). RESULTS: Baseline characteristics including LOAELs were comparable in both groups with objS and subjS occurring in 82% and 95% of active (n = 38) vs 78% and 83% of placebo group (n = 18). After AIT, objS occurred in 24% and 47%, respectively. LOAEL group differences showed a beneficial tendency (P = 0.081) for LOAEL(objective) in PPP (30 active, 15 placebo). sIgG4 raised only in active group (Bet v 1: P = 0.054, Gly m 4: P = 0.037), and no relevant changes occurred for sIgE. Only 56% of the intended sample size was recruited. CONCLUSION: For the first time, we present data on the effect of rBet v 1-FV on birch-related soya allergy. rBet v 1-FV AIT induced significant immunogenic effects. Clinical assessment showed a tendency in favour of the active group but did not reach statistical significance.

Authors: R. Treudler, A. Franke, A. Schmiedeknecht, B. Ballmer-Weber, M. Worm, T. Werfel, U. Jappe, T. Biedermann, J. Schmitt, R. Brehler, A. Kleinheinz, J. Kleine-Tebbe, H. Bruning, F. Rueff, J. Ring, J. Saloga, K. Schakel, T. Holzhauser, S. Vieths, J. C. Simon

Date Published: 21st Dec 2016

Publication Type: Journal article

Abstract (Expand)

We recently reported a truncating deletion in the NFKBIE gene, which encodes IkappaBepsilon, a negative feedback regulator of NF-kappaB, in clinically aggressive chronic lymphocytic leukemia (CLL). Because preliminary data indicate enrichment of NFKBIE aberrations in other lymphoid malignancies, we screened a large patient cohort (n = 1460) diagnosed with different lymphoid neoplasms. While NFKBIE deletions were infrequent in follicular lymphoma, splenic marginal zone lymphoma, and T-cell acute lymphoblastic leukemia (<2%), slightly higher frequencies were seen in diffuse large B-cell lymphoma, mantle cell lymphoma, and primary central nervous system lymphoma (3% to 4%). In contrast, a remarkably high frequency of NFKBIE aberrations (46/203 cases [22.7%]) was observed in primary mediastinal B-cell lymphoma (PMBL) and Hodgkin lymphoma (3/11 cases [27.3%]). NFKBIE-deleted PMBL patients were more often therapy refractory (P = .022) and displayed inferior outcome compared with wild-type patients (5-year survival, 59% vs 78%; P = .034); however, they appeared to benefit from radiotherapy (P =022) and rituximab-containing regimens (P = .074). NFKBIE aberrations remained an independent factor in multivariate analysis (P = .003) and when restricting the analysis to immunochemotherapy-treated patients (P = .008). Whole-exome sequencing and gene expression profiling verified the importance of NF-kappaB deregulation in PMBL. In summary, we identify NFKBIE aberrations as a common genetic event across B-cell malignancies and highlight NFKBIE deletions as a novel poor-prognostic marker in PMBL.

Authors: L. Mansouri, D. Noerenberg, E. Young, E. Mylonas, M. Abdulla, M. Frick, F. Asmar, V. Ljungstrom, M. Schneider, K. Yoshida, A. Skaftason, T. Pandzic, B. Gonzalez, A. Tasidou, N. Waldhueter, A. Rivas-Delgado, M. Angelopoulou, M. Ziepert, C. M. Arends, L. Couronne, D. Lenze, C. D. Baldus, C. Bastard, J. Okosun, J. Fitzgibbon, B. Dorken, H. G. Drexler, D. Roos-Weil, C. A. Schmitt, H. D. Munch-Petersen, T. Zenz, M. L. Hansmann, J. C. Strefford, G. Enblad, O. A. Bernard, E. Ralfkiaer, M. Erlanson, P. Korkolopoulou, M. Hultdin, T. Papadaki, K. Gronbaek, A. Lopez-Guillermo, S. Ogawa, R. Kuppers, K. Stamatopoulos, N. Stavroyianni, G. Kanellis, A. Rosenwald, E. Campo, R. M. Amini, G. Ott, T. P. Vassilakopoulos, M. Hummel, R. Rosenquist, F. Damm

Date Published: 8th Dec 2016

Publication Type: Not specified

Human Diseases: B-cell lymphoma

Abstract (Expand)

BACKGROUND: Cytology-based screening methods for cervical adenocarcinoma (ADC) and to a lesser extent squamous-cell carcinoma (SCC) suffer from low sensitivity. DNA hypermethylation analysis in cervical scrapings may improve detection of SCC, but few methylation markers have been described for ADC. We aimed to identify novel methylation markers for the early detection of both ADC and SCC. RESULTS: Genome-wide methylation profiling for 20 normal cervices, 6 ADC and 6 SCC using MethylCap-seq yielded 53 candidate regions hypermethylated in both ADC and SCC. Verification and independent validation of the 15 most significant regions revealed 5 markers with differential methylation between 17 normals and 13 cancers. Quantitative methylation-specific PCR on cervical cancer scrapings resulted in detection rates ranging between 80% and 92% while between 94% and 99% of control scrapings tested negative. Four markers (SLC6A5, SOX1, SOX14 and TBX20) detected ADC and SCC with similar sensitivity. In scrapings from women referred with an abnormal smear (n=229), CIN3+ sensitivity was between 36% and 71%, while between 71% and 93% of adenocarcinoma in situ (AdCIS) were detected; and CIN0/1 specificity was between 88% and 98%. Compared to hrHPV, the combination SOX1/SOX14 showed a similar CIN3+ sensitivity (80% vs. 75%, respectively, P>0.2), while specificity improved (42% vs. 84%, respectively, P < 10-5). CONCLUSION: SOX1 and SOX14 are methylation biomarkers applicable for screening of all cervical cancer types.

Authors: R. Wang, R. W. van Leeuwen, A. Boers, H. G. Klip, T. de Meyer, R. D. Steenbergen, W. van Criekinge, A. G. van der Zee, E. Schuuring, G. B. Wisman

Date Published: 6th Dec 2016

Publication Type: Journal article

Human Diseases: brain glioma

Abstract (Expand)

Background As is common in developing countries, in Ethiopia young people with disabilities (YPWD) are more likely than the general population to be illiterate, unemployed and impoverished. They often lack equal access to information and education for reasons ranging from barriers regarding physical access to services to varied special learning needs. Very little is known about knowledge, attitude and practice (KAP) of YPWD regarding sexual and reproductive health (SRH) related issues. We, therefore, aimed to assess the KAP of 426 YPWD in Addis Ababa, Ethiopia. Methods A cross-sectional survey was conducted in 2012. Data were collected by trained interviewers using a structured questionnaire covering socio-demographic information, as well as information on KAP regarding SRH. Results Only 64.6 % of YPWD were aware of SRH services. Radio and TV were mentioned as the main sources of information by 62.2 % of the participants. 77.9 % had never had a discussion about SRH topics with their parents. Even though 96.7 % of the respondents had heard about HIV, 88 % had poor knowledge about ways of preventing HIV. Perception of the risk of getting infected with HIV was found to be generally low in YPWD; only 21.6 % believed that they were at risk of acquiring HIV. Conclusions Our study, in general, demonstrated that there is a lack of comprehensive knowledge, appropriate practice and favorable attitude of YPWD regarding different SRH-related issues. Our findings thus clearly indicate the need for strategies and programs to raise SRH-related awareness and to help YPWD to develop the appropriate skills and attitudes needed for a healthy reproductive life.

Authors: T. A. Kassa, T. Luck, A. Bekele, S. G. Riedel-Heller

Date Published: 1st Dec 2016

Publication Type: Journal article

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