@article{StoelzelMohrKrameretal.2016, author = {St{\"o}lzel, F. and Mohr, B. and Kramer, M. and Oelschl{\"a}gel, U. and Bochtler, T. and Berdel, W. E. and Kaufmann, M. and Baldus, C. D. and Sch{\"a}fer-Eckart, K. and Stuhlmann, R. and Einsele, H. and Krause, S. W. and Serve, H. and H{\"a}nel, M. and Herbst, R. and Neubauer, A. and Sohlbach, K. and Mayer, J. and Middeke, J. M. and Platzbecker, U. and Schaich, M. and Kr{\"a}mer, A. and R{\"o}llig, C. and Schetelig, J. and Bornh{\"a}user, M. and Ehninger, G.}, title = {Karyotype complexity and prognosis in acute myeloid leukemia}, series = {Blood Cancer Journal}, volume = {6}, journal = {Blood Cancer Journal}, doi = {10.1038/bcj.2015.114}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-164530}, pages = {e386}, year = {2016}, abstract = {A complex aberrant karyotype consisting of multiple unrelated cytogenetic abnormalities is associated with poor prognosis in patients with acute myeloid leukemia (AML). The European Leukemia Net classification and the UK Medical Research Council recommendation provide prognostic categories that differ in the definition of unbalanced aberrations as well as the number of single aberrations. The aim of this study on 3526 AML patients was to redefine and validate a cutoff for karyotype complexity in AML with regard to adverse prognosis. Our study demonstrated that (1) patients with a pure hyperdiploid karyotype have an adverse risk irrespective of the number of chromosomal gains, (2) patients with translocation t(9;11)(p21∼22;q23) have an intermediate risk independent of the number of additional aberrations, (3) patients with 4 abnormalities have an adverse risk per se and (4) patients with three aberrations in the absence of abnormalities of strong influence (hyperdiploid karyotype, t(9;11)(p21∼22;q23), CBF-AML, unique adverse-risk aberrations) have borderline intermediate/adverse risk with a reduced overall survival compared with patients with a normal karyotype.}, language = {en} } @article{RoelligKramerGabrechtetal.2018, author = {R{\"o}llig, C. and Kramer, M. and Gabrecht, M. and H{\"a}nel, M. and Herbst, R. and Kaiser, U. and Schmitz, N. and Kullmer, J. and Fetscher, S. and Link, H. and Mantovani-L{\"o}ffler, L. and Kr{\"u}mpelmann, U. and Neuhaus, T. and Heits, F. and Einsele, H. and Ritter, B. and Bornh{\"a}user, M. and Schetelig, J. and Thiede, C. and Mohr, B. and Schaich, M. and Platzbecker, U. and Sch{\"a}fer-Eckart, K. and Kr{\"a}mer, A. and Berdel, W. E. and Serve, H. and Ehninger, G. and Schuler, U. S.}, title = {Intermediate-dose cytarabine plus mitoxantrone versus standard-dose cytarabine plus daunorubicin for acute myeloid leukemia in elderly patients}, series = {Annals of Oncology}, volume = {29}, journal = {Annals of Oncology}, number = {4}, doi = {doi:10.1093/annonc/mdy030}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-226473}, pages = {973-978}, year = {2018}, abstract = {Background: The combination of intermediate-dose cytarabine plus mitoxantrone (IMA) can induce high complete remission rates with acceptable toxicity in elderly patients with acute myeloid leukemia (AML). We present the final results of a randomized-controlled trial comparing IMA with the standard 7+3 induction regimen consisting of continuous infusion cytarabine plus daunorubicin (DA). Patients and methods: Patients with newly diagnosed AML>60 years were randomized to receive either intermediate-dose cytarabine (1000 mg/m(2) twice daily on days 1, 3, 5, 7) plus mitoxantrone (10 mg/m(2) days 1-3) (IMA) or standard induction therapy with cytarabine (100 mg/m(2) continuously days 1-7) plus daunorubicin (45 mg/m(2) days 3-5) (DA). Patients in complete remission after DA received intermediate-dose cytarabine plus amsacrine as consolidation treatment, whereas patients after IMA were consolidated with standard-dose cytarabine plus mitoxantrone. Results: Between February 2005 and October 2009, 485 patients were randomized; 241 for treatment arm DA and 244 for IMA; 76\% of patients were >65 years. The complete response rate after DA was 39\% [95\% confidence interval (95\% CI): 33-45] versus 55\% (95\% CI: 49-61) after IMA (odds ratio 1.89, P = 0.001). The 6-week early-death rate was 14\% in both arms. Relapse-free survival curves were superimposable in the first year, but separated afterwards, resulting in 3-year relapse-free survival rates of 29\% versus 14\% in the DA versus IMA arms, respectively (P = 0.042). The median overall survival was 10 months in both arms (P = 0.513). Conclusion: The dose escalation of cytarabine in induction therapy lead to improved remission rates in the elderly AML patients. This did not translate into a survival advantage, most likely due to differences in consolidation treatment. Thus, effective consolidation strategies need to be further explored. In combination with an effective consolidation strategy, the use of intermediate-dose cytarabine in induction may improve curative treatment for elderly AML patients.}, language = {en} } @article{vanKoolwijkRamdasIkrametal.2012, author = {van Koolwijk, Leonieke M. E. and Ramdas, Wishal D. and Ikram, M. Kamran and Jansonius, Nomdo M. and Pasutto, Francesca and Hys, Pirro G. and Macgregor, Stuart and Janssen, Sarah F. and Hewitt, Alex W. and Viswanathan, Ananth C. and ten Brink, Jacoline B. and Hosseini, S. Mohsen and Amin, Najaf and Despriet, Dominiek D. G. and Willemse-Assink, Jacqueline J. M. and Kramer, Rogier and Rivadeneira, Fernando and Struchalin, Maksim and Aulchenko, Yurii S. and Weisschuh, Nicole and Zenkel, Matthias and Mardin, Christian Y. and Gramer, Eugen and Welge-L{\"u}ssen, Ulrich and Montgomery, Grant W. and Carbonaro, Francis and Young, Terri L. and Bellenguez, C{\´e}line and McGuffin, Peter and Foster, Paul J. and Topouzis, Fotis and Mitchell, Paul and Wang, Jie Jin and Wong, Tien Y. and Czudowska, Monika A. and Hofman, Albert and Uitterlinden, Andre G. and Wolfs, Roger C. W. and de Jong, Paulus T. V. M. and Oostra, Ben A. and Paterson, Andrew D. and Mackey, David A. and Bergen, Arthur A. B. and Reis, Andre and Hammond, Christopher J. and Vingerling, Johannes R. and Lemij, Hans G. and Klaver, Caroline C. W. and van Duijn, Cornelia M.}, title = {Common Genetic Determinants of Intraocular Pressure and Primary Open-Angle Glaucoma}, series = {PLoS Genetics}, volume = {8}, journal = {PLoS Genetics}, number = {5}, doi = {10.1371/journal.pgen.1002611}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-131378}, pages = {e1002611}, year = {2012}, abstract = {Intraocular pressure (IOP) is a highly heritable risk factor for primary open-angle glaucoma and is the only target for current glaucoma therapy. The genetic factors which determine IOP are largely unknown. We performed a genome-wide association study for IOP in 11,972 participants from 4 independent population-based studies in The Netherlands. We replicated our findings in 7,482 participants from 4 additional cohorts from the UK, Australia, Canada, and the Wellcome Trust Case-Control Consortium 2/Blue Mountains Eye Study. IOP was significantly associated with rs11656696, located in GAS7 at 17p13.1 (p = 1.4 x 10\(^{-8}\)), and with rs7555523, located in TMCO1 at 1q24.1 (p = 1.6 x 10\(^{-8}\)). In a meta-analysis of 4 case-control studies (total N = 1,432 glaucoma cases), both variants also showed evidence for association with glaucoma (p = 2.4 x 10\(^{-2}\) for rs11656696 and p = 9.1 x 10\(^{-4}\) for rs7555523). GAS7 and TMCO1 are highly expressed in the ciliary body and trabecular meshwork as well as in the lamina cribrosa, optic nerve, and retina. Both genes functionally interact with known glaucoma disease genes. These data suggest that we have identified two clinically relevant genes involved in IOP regulation.}, language = {en} } @article{CarstenAGorskiLietal.2011, author = {Carsten A., B{\"o}ger and Gorski, Mathias and Li, Man and Hoffmann, Michael M. and Huang, Chunmei and Yang, Qiong and Teumer, Alexander and Krane, Vera and O'Seaghdha, Conall M. and Kutalik, Zolt{\´a}n and Wichmann, H.-Erich and Haak, Thomas and Boes, Eva and Coassin, Stefan and Coresh, Josef and Kollerits, Barbara and Haun, Margot and Paulweber, Bernhard and K{\"o}ttgen, Anna and Li, Guo and Shlipak, Michael G. and Powe, Neil and Hwang, Shih-Jen and Dehghan, Abbas and Rivadeneira, Fernando and Uitterlinden, Andr{\´e} and Hofman, Albert and Beckmann, Jacques S. and Kr{\"a}mer, Bernhard K. and Witteman, Jacqueline and Bochud, Murielle and Siscovick, David and Rettig, Rainer and Kronenberg, Florian and Wanner, Christoph and Thadhani, Ravi I. and Heid, Iris M. and Fox, Caroline S. and Kao, W.H.}, title = {Association of eGFR-Related Loci Identified by GWAS with Incident CKD and ESRD}, series = {PLoS Genetics}, volume = {7}, journal = {PLoS Genetics}, number = {9}, doi = {10.1371/journal.pgen.1002292}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-133758}, pages = {e1002292}, year = {2011}, abstract = {Family studies suggest a genetic component to the etiology of chronic kidney disease (CKD) and end stage renal disease (ESRD). Previously, we identified 16 loci for eGFR in genome-wide association studies, but the associations of these single nucleotide polymorphisms (SNPs) for incident CKD or ESRD are unknown. We thus investigated the association of these loci with incident CKD in 26,308 individuals of European ancestry free of CKD at baseline drawn from eight population-based cohorts followed for a median of 7.2 years (including 2,122 incident CKD cases defined as eGFR < 60ml/min/1.73m(2) at follow-up) and with ESRD in four case-control studies in subjects of European ancestry (3,775 cases, 4,577 controls). SNPs at 11 of the 16 loci (UMOD, PRKAG2, ANXA9, DAB2, SHROOM3, DACH1, STC1, SLC34A1, ALMS1/NAT8, UBE2Q2, and GCKR) were associated with incident CKD; p-values ranged from p = 4.1e-9 in UMOD to p = 0.03 in GCKR. After adjusting for baseline eGFR, six of these loci remained significantly associated with incident CKD (UMOD, PRKAG2, ANXA9, DAB2, DACH1, and STC1). SNPs in UMOD (OR = 0.92, p = 0.04) and GCKR (OR = 0.93, p = 0.03) were nominally associated with ESRD. In summary, the majority of eGFR-related loci are either associated or show a strong trend towards association with incident CKD, but have modest associations with ESRD in individuals of European descent. Additional work is required to characterize the association of genetic determinants of CKD and ESRD at different stages of disease progression.}, language = {en} } @article{SilvestriBarrowdaleMulliganetal.2016, author = {Silvestri, Valentina and Barrowdale, Daniel and Mulligan, Anna Marie and Neuhausen, Susan L. and Fox, Stephen and Karlan, Beth Y. and Mitchell, Gillian and James, Paul and Thull, Darcy L. and Zorn, Kristin K. and Carter, Natalie J. and Nathanson, Katherine L. and Domchek, Susan M. and Rebbeck, Timothy R. and Ramus, Susan J. and Nussbaum, Robert L. and Olopade, Olufunmilayo I. and Rantala, Johanna and Yoon, Sook-Yee and Caligo, Maria A. and Spugnesi, Laura and Bojesen, Anders and Pedersen, Inge Sokilde and Thomassen, Mads and Jensen, Uffe Birk and Toland, Amanda Ewart and Senter, Leigha and Andrulis, Irene L. and Glendon, Gord and Hulick, Peter J. and Imyanitov, Evgeny N. and Greene, Mark H. and Mai, Phuong L. and Singer, Christian F. and Rappaport-Fuerhauser, Christine and Kramer, Gero and Vijai, Joseph and Offit, Kenneth and Robson, Mark and Lincoln, Anne and Jacobs, Lauren and Machackova, Eva and Foretova, Lenka and Navratilova, Marie and Vasickova, Petra and Couch, Fergus J. and Hallberg, Emily and Ruddy, Kathryn J. and Sharma, Priyanka and Kim, Sung-Won and Teixeira, Manuel R. and Pinto, Pedro and Montagna, Marco and Matricardi, Laura and Arason, Adalgeir and Johannsson, Oskar Th and Barkardottir, Rosa B. and Jakubowska, Anna and Lubinski, Jan and Izquierdo, Angel and Pujana, Miguel Angel and Balma{\~n}a, Judith and Diez, Orland and Ivady, Gabriella and Papp, Janos and Olah, Edith and Kwong, Ava and Nevanlinna, Heli and Aittom{\"a}ki, Kristiina and Segura, Pedro Perez and Caldes, Trinidad and Van Maerken, Tom and Poppe, Bruce and Claes, Kathleen B. M. and Isaacs, Claudine and Elan, Camille and Lasset, Christine and Stoppa-Lyonnet, Dominique and Barjhoux, Laure and Belotti, Muriel and Meindl, Alfons and Gehrig, Andrea and Sutter, Christian and Engel, Christoph and Niederacher, Dieter and Steinemann, Doris and Hahnen, Eric and Kast, Karin and Arnold, Norbert and Varon-Mateeva, Raymonda and Wand, Dorothea and Godwin, Andrew K. and Evans, D. Gareth and Frost, Debra and Perkins, Jo and Adlard, Julian and Izatt, Louise and Platte, Radka and Eeles, Ros and Ellis, Steve and Hamann, Ute and Garber, Judy and Fostira, Florentia and Fountzilas, George and Pasini, Barbara and Giannini, Giuseppe and Rizzolo, Piera and Russo, Antonio and Cortesi, Laura and Papi, Laura and Varesco, Liliana and Palli, Domenico and Zanna, Ines and Savarese, Antonella and Radice, Paolo and Manoukian, Siranoush and Peissel, Bernard and Barile, Monica and Bonanni, Bernardo and Viel, Alessandra and Pensotti, Valeria and Tommasi, Stefania and Peterlongo, Paolo and Weitzel, Jeffrey N. and Osorio, Ana and Benitez, Javier and McGuffog, Lesley and Healey, Sue and Gerdes, Anne-Marie and Ejlertsen, Bent and Hansen, Thomas V. O. and Steele, Linda and Ding, Yuan Chun and Tung, Nadine and Janavicius, Ramunas and Goldgar, David E. and Buys, Saundra S. and Daly, Mary B. and Bane, Anita and Terry, Mary Beth and John, Esther M. and Southey, Melissa and Easton, Douglas F. and Chenevix-Trench, Georgia and Antoniou, Antonis C. and Ottini, Laura}, title = {Male breast cancer in BRCA1 and BRCA2 mutation carriers: pathology data from the Consortium of Investigators of Modifiers of BRCA1/2}, series = {Breast Cancer Research}, volume = {18}, journal = {Breast Cancer Research}, number = {15}, doi = {10.1186/s13058-016-0671-y}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-164769}, year = {2016}, abstract = {Background BRCA1 and, more commonly, BRCA2 mutations are associated with increased risk of male breast cancer (MBC). However, only a paucity of data exists on the pathology of breast cancers (BCs) in men with BRCA1/2 mutations. Using the largest available dataset, we determined whether MBCs arising in BRCA1/2 mutation carriers display specific pathologic features and whether these features differ from those of BRCA1/2 female BCs (FBCs). Methods We characterised the pathologic features of 419 BRCA1/2 MBCs and, using logistic regression analysis, contrasted those with data from 9675 BRCA1/2 FBCs and with population-based data from 6351 MBCs in the Surveillance, Epidemiology, and End Results (SEER) database. Results Among BRCA2 MBCs, grade significantly decreased with increasing age at diagnosis (P = 0.005). Compared with BRCA2 FBCs, BRCA2 MBCs were of significantly higher stage (P for trend = 2 × 10-5) and higher grade (P for trend = 0.005) and were more likely to be oestrogen receptor-positive [odds ratio (OR) 10.59; 95 \% confidence interval (CI) 5.15-21.80] and progesterone receptor-positive (OR 5.04; 95 \% CI 3.17-8.04). With the exception of grade, similar patterns of associations emerged when we compared BRCA1 MBCs and FBCs. BRCA2 MBCs also presented with higher grade than MBCs from the SEER database (P for trend = 4 × 10-12). Conclusions On the basis of the largest series analysed to date, our results show that BRCA1/2 MBCs display distinct pathologic characteristics compared with BRCA1/2 FBCs, and we identified a specific BRCA2-associated MBC phenotype characterised by a variable suggesting greater biological aggressiveness (i.e., high histologic grade). These findings could lead to the development of gender-specific risk prediction models and guide clinical strategies appropriate for MBC management.}, language = {en} } @article{WidowskiReynaertOpheldersetal.2021, author = {Widowski, Helene and Reynaert, Niki L. and Ophelders, Daan R. M. G. and H{\"u}tten, Matthias C. and Nikkels, Peter G. J. and Severens-Rijvers, Carmen A. H. and Cleutjens, Jack P. M. and Kemp, Matthew W. and Newnham, John P. and Saito, Masatoshi and Usuda, Haruo and Payne, Matthew S. and Jobe, Alan H. and Kramer, Boris W. and Delhaas, Tammo and Wolfs, Tim G. A. M.}, title = {Sequential Exposure to Antenatal Microbial Triggers Attenuates Alveolar Growth and Pulmonary Vascular Development and Impacts Pulmonary Epithelial Stem/Progenitor Cells}, series = {Frontiers in Medicine}, volume = {8}, journal = {Frontiers in Medicine}, issn = {2296-858X}, doi = {10.3389/fmed.2021.614239}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-229695}, year = {2021}, abstract = {Perinatal inflammatory stress is strongly associated with adverse pulmonary outcomes after preterm birth. Antenatal infections are an essential perinatal stress factor and contribute to preterm delivery, induction of lung inflammation and injury, pre-disposing preterm infants to bronchopulmonary dysplasia. Considering the polymicrobial nature of antenatal infection, which was reported to result in diverse effects and outcomes in preterm lungs, the aim was to examine the consequences of sequential inflammatory stimuli on endogenous epithelial stem/progenitor cells and vascular maturation, which are crucial drivers of lung development. Therefore, a translational ovine model of antenatal infection/inflammation with consecutive exposures to chronic and acute stimuli was used. Ovine fetuses were exposed intra-amniotically to Ureaplasma parvum 42 days (chronic stimulus) and/or to lipopolysaccharide 2 or 7 days (acute stimulus) prior to preterm delivery at 125 days of gestation. Pulmonary inflammation, endogenous epithelial stem cell populations, vascular modulators and morphology were investigated in preterm lungs. Pre-exposure to UP attenuated neutrophil infiltration in 7d LPS-exposed lungs and prevented reduction of SOX-9 expression and increased SP-B expression, which could indicate protective responses induced by re-exposure. Sequential exposures did not markedly impact stem/progenitors of the proximal airways (P63+ basal cells) compared to single exposure to LPS. In contrast, the alveolar size was increased solely in the UP+7d LPS group. In line, the most pronounced reduction of AEC2 and proliferating cells (Ki67+) was detected in these sequentially UP + 7d LPS-exposed lambs. A similar sensitization effect of UP pre-exposure was reflected by the vessel density and expression of vascular markers VEGFR-2 and Ang-1 that were significantly reduced after UP exposure prior to 2d LPS, when compared to UP and LPS exposure alone. Strikingly, while morphological changes of alveoli and vessels were seen after sequential microbial exposure, improved lung function was observed in UP, 7d LPS, and UP+7d LPS-exposed lambs. In conclusion, although sequential exposures did not markedly further impact epithelial stem/progenitor cell populations, re-exposure to an inflammatory stimulus resulted in disturbed alveolarization and abnormal pulmonary vascular development. Whether these negative effects on lung development can be rescued by the potentially protective responses observed, should be examined at later time points.}, language = {en} } @article{GoosDejungWehmanetal.2019, author = {Goos, Carina and Dejung, Mario and Wehman, Ann M. and M-Natus, Elisabeth and Schmidt, Johannes and Sunter, Jack and Engstler, Markus and Butter, Falk and Kramer, Susanne}, title = {Trypanosomes can initiate nuclear export co-transcriptionally}, series = {Nucleic Acids Research}, volume = {47}, journal = {Nucleic Acids Research}, number = {1}, doi = {10.1093/nar/gky1136}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-177709}, pages = {266-282}, year = {2019}, abstract = {The nuclear envelope serves as important messenger RNA (mRNA) surveillance system. In yeast and human, several control systems act in parallel to prevent nuclear export of unprocessed mRNAs. Trypanosomes lack homologues to most of the involved proteins and their nuclear mRNA metabolism is non-conventional exemplified by polycistronic transcription and mRNA processing by trans-splicing. We here visualized nuclear export in trypanosomes by intra- and intermolecular multi-colour single molecule FISH. We found that, in striking contrast to other eukaryotes, the initiation of nuclear export requires neither the completion of transcription nor splicing. Nevertheless, we show that unspliced mRNAs are mostly prevented from reaching the nucleus-distant cytoplasm and instead accumulate at the nuclear periphery in cytoplasmic nuclear periphery granules (NPGs). Further characterization of NPGs by electron microscopy and proteomics revealed that the granules are located at the cytoplasmic site of the nuclear pores and contain most cytoplasmic RNA-binding proteins but none of the major translation initiation factors, consistent with a function in preventing faulty mRNAs from reaching translation. Our data indicate that trypanosomes regulate the completion of nuclear export, rather than the initiation. Nuclear export control remains poorly understood, in any organism, and the described way of control may not be restricted to trypanosomes.}, language = {en} } @article{MollMuellerGillitzeretal.1991, author = {Moll, Heidrun and M{\"u}ller, Christoph and Gillitzer, Reinhard and Fuchs, Harald and R{\"o}llinghoff, Martin and Simon, Markus M. and Kramer, Michael D.}, title = {Expression of T-cell-associated serine proteinase-1 during murine Leishmania major infection correlates with susceptibility to disease}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-61311}, year = {1991}, abstract = {The expression of T-cell-associated serine proteinase 1 (MTSP-1) in vivo during Leishmania major infection was analyzed in genetically resistant C57BL/6 mice and in genetically susceptible BALB/c mice. Using a monoclonal antibody as well as an RNA probe specific for MTSP-1 to stain tissue sections, we found T cells expressing MTSP-1 in skin lesions and spleens of mice of both strains. In skin lesions, MTSP-1-positive T cells could be detected as early as 3 days after infection. Most importantly, the frequency of T cells expressing MTSP-1 was significantly higher in susceptible BALB/c mice than in resistant C57BL/6 mice. These findings suggest that MTSP-1 is associated with disease-promoting T cells and that it may be an effector molecule involved in the pathogenesis of cutaneous leishmaniasis.}, subject = {Biologie}, language = {en} } @article{KramerBinningerSchirrmacheretal.1986, author = {Kramer, Michael D. and Binninger, Linda and Schirrmacher, Volker and Moll, Heidrun and Prester, Marlot and Nerz, Gaby and Simon, Markus M.}, title = {Characterization and isolation of a trypsin-like serine protease from a long-term culture cytolytic t cell line andits expression by functionally distinct T cells}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-31636}, year = {1986}, abstract = {No abstract available}, subject = {Biologie}, language = {en} } @article{DoerhoeferLammertKraneetal.2013, author = {D{\"o}rh{\"o}fer, Lena and Lammert, Alexander and Krane, Vera and Gorski, Mathias and Banas, Bernhard and Wanner, Christoph and Kr{\"a}mer, Bernhard K. and Heid, Iris M. and B{\"o}ger, Carsten A.}, title = {Study design of DIACORE (DIAbetes COhoRtE) - a cohort study of patients with diabetes mellitus type 2}, series = {BMC Medical Genetics}, volume = {14}, journal = {BMC Medical Genetics}, number = {25}, issn = {1471-2350}, doi = {10.1186/1471-2350-14-25}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-122040}, year = {2013}, abstract = {Background: Diabetes mellitus type 2 (DM2) is highly associated with increased risk for chronic kidney disease (CKD), end stage renal disease (ESRD) and cardiovascular morbidity. Epidemiological and genetic studies generate hypotheses for innovative strategies in DM2 management by unravelling novel mechanisms of diabetes complications, which is essential for future intervention trials. We have thus initiated the DIAbetes COhoRtE study (DIACORE). Methods: DIACORE is a prospective cohort study aiming to recruit 6000 patients of self-reported Caucasian ethnicity with prevalent DM2 for at least 10 years of follow-up. Study visits are performed in University-based recruiting clinics in Germany using standard operating procedures. All prevalent DM2 patients in outpatient clinics surrounding the recruiting centers are invited to participate. At baseline and at each 2-year follow-up examination, patients are subjected to a core phenotyping protocol. This includes a standardized online questionnaire and physical examination to determine incident micro-and macrovascular DM2 complications, malignancy and hospitalization, with a primary focus on renal events. Confirmatory outcome information is requested from patient records. Blood samples are obtained for a centrally analyzed standard laboratory panel and for biobanking of aliquots of serum, plasma, urine, mRNA and DNA for future scientific use. A subset of the cohort is subjected to extended phenotyping, e. g. sleep apnea screening, skin autofluorescence measurement, non-mydriatic retinal photography and non-invasive determination of arterial stiffness. Discussion: DIACORE will enable the prospective evaluation of factors involved in DM2 complication pathogenesis using high-throughput technologies in biosamples and genetic epidemiological studies.}, language = {en} } @article{WillemsUrlichsSeidenspinneretal.2012, author = {Willems, Coen H. M. P. and Urlichs, Florian and Seidenspinner, Silvia and Kunzmann, Steffen and Speer, Christian P. and Kramer, Boris W.}, title = {Poractant alfa (Curosurf (R)) increases phagocytosis of apoptotic neutrophils by alveolar macrophages in vivo}, series = {Respiratory Research}, volume = {13}, journal = {Respiratory Research}, number = {17}, doi = {10.1186/1465-9921-13-17}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-130721}, year = {2012}, abstract = {Background: Clearance of apoptotic neutrophils in the lung is an essential process to limit inflammation, since they could become a pro-inflammatory stimulus themselves. The clearance is partially mediated by alveolar macrophages, which phagocytose these apoptotic cells. The phagocytosis of apoptotic immune cells by monocytes in vitro has been shown to be augmented by several constituents of pulmonary surfactant, e. g. phospholipids and hydrophobic surfactant proteins. In this study, we assessed the influence of exogenous poractant alfa (Curosurf (R)) instillation on the in vivo phagocytosis of apoptotic neutrophils by alveolar macrophages. Methods: Poractant alfa (200 mg/kg) was instilled intratracheally in the lungs of three months old adult male C57/Black 6 mice, followed by apoptotic neutrophil instillation. Bronchoalveloar lavage was performed and alveolar macrophages and neutrophils were counted. Phagocytosis of apoptotic neutrophils was quantified by determining the number of apoptotic neutrophils per alveolar macrophages. Results: Exogenous surfactant increased the number of alveolar macrophages engulfing apoptotic neutrophils 2.6 fold. The phagocytosis of apoptotic neutrophils was increased in the presence of exogenous surfactant by a 4.7 fold increase in phagocytosed apoptotic neutrophils per alveolar macrophage. Conclusions: We conclude that the anti-inflammatory properties of surfactant therapy may be mediated in part by increased numbers of alveolar macrophages and increased phagocytosis of apoptotic neutrophils by alveolar macrophages.}, language = {en} } @article{BrixnerAeschlimannFischeretal.2013, author = {Brixner, T. and Aeschlimann, M. and Fischer, A. and Geisler, P. and Goetz, S. and Hecht, B. and Huang, J. S. and Keitzl, T. and Kramer, C. and Melchior, P. and Pfeiffer, W. and Razinskas, G. and Rewitz, C. and Schneider, C. and Str{\"u}ber, C. and Tuchscherer, P. and Voronine, D. V.}, title = {Coherent spectroscopies on ultrashort time and length scales}, series = {EPJ Web of Conferences}, volume = {41}, journal = {EPJ Web of Conferences}, doi = {10.1051/epjconf/20134109017}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-129073}, pages = {09017}, year = {2013}, abstract = {Three spectroscopic techniques are presented that provide simultaneous spatial and temporal resolution: modified confocal microscopy with heterodyne detection, space-time-resolved spectroscopy using coherent control concepts, and coherent two-dimensional nano-spectroscopy. Latest experimental results are discussed.}, language = {en} } @article{GabrielJirůHillmannKraftetal.2020, author = {Gabriel, Katharina M. A. and J{\´i}rů-Hillmann, Steffi and Kraft, Peter and Selig, Udo and R{\"u}cker, Victoria and M{\"u}hler, Johannes and D{\"o}tter, Klaus and Keidel, Matthias and Soda, Hassan and Rascher, Alexandra and Schneider, Rolf and Pfau, Mathias and Hoffmann, Roy and Stenzel, Joachim and Benghebrid, Mohamed and Goebel, Tobias and Doerck, Sebastian and Kramer, Daniela and Haeusler, Karl Georg and Volkmann, Jens and Heuschmann, Peter U. and Fluri, Felix}, title = {Two years' experience of implementing a comprehensive telemedical stroke network comprising in mainly rural region: the Transregional Network for Stroke Intervention with Telemedicine (TRANSIT-Stroke)}, series = {BMC Neurology}, volume = {20}, journal = {BMC Neurology}, doi = {10.1186/s12883-020-01676-6}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-229214}, year = {2020}, abstract = {Background Telemedicine improves the quality of acute stroke care in rural regions with limited access to specialized stroke care. We report the first 2 years' experience of implementing a comprehensive telemedical stroke network comprising all levels of stroke care in a defined region. Methods The TRANSIT-Stroke network covers a mainly rural region in north-western Bavaria (Germany). All hospitals providing acute stroke care in this region participate in TRANSIT-Stroke, including four hospitals with a supra-regional certified stroke unit (SU) care (level III), three of those providing teleconsultation to two hospitals with a regional certified SU (level II) and five hospitals without specialized SU care (level I). For a two-year-period (01/2015 to 12/2016), data of eight of these hospitals were available; 13 evidence-based quality indicators (QIs) related to processes during hospitalisation were evaluated quarterly and compared according to predefined target values between level-I- and level-II/III-hospitals. Results Overall, 7881 patients were included (mean age 74.6 years +/- 12.8; 48.4\% female). In level-II/III-hospitals adherence of all QIs to predefined targets was high ab initio. In level-I-hospitals, three patterns of QI-development were observed: a) high adherence ab initio (31\%), mainly in secondary stroke prevention; b) improvement over time (44\%), predominantly related to stroke specific diagnosis and in-hospital organization; c) no clear time trends (25\%). Overall, 10 out of 13 QIs reached predefined target values of quality of care at the end of the observation period. Conclusion The implementation of the comprehensive TRANSIT-Stroke network resulted in an improvement of quality of care in level-I-hospitals.}, language = {en} } @article{SilwedelHuettenSpeeretal.2023, author = {Silwedel, Christine and H{\"u}tten, Matthias C. and Speer, Christian P. and H{\"a}rtel, Christoph and Haarmann, Axel and Henrich, Birgit and Tijssen, Maud P. M. and Alnakhli, Abdullah Ahmed and Spiller, Owen B. and Schlegel, Nicolas and Seidenspinner, Silvia and Kramer, Boris W. and Glaser, Kirsten}, title = {Ureaplasma-driven neonatal neuroinflammation: novel insights from an ovine model}, series = {Cellular and Molecular Neurobiology}, volume = {43}, journal = {Cellular and Molecular Neurobiology}, number = {2}, doi = {10.1007/s10571-022-01213-8}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-324285}, pages = {785-795}, year = {2023}, abstract = {Ureaplasma species (spp.) are considered commensals of the adult genitourinary tract, but have been associated with chorioamnionitis, preterm birth, and invasive infections in neonates, including meningitis. Data on mechanisms involved in Ureaplasma-driven neuroinflammation are scarce. The present study addressed brain inflammatory responses in preterm lambs exposed to Ureaplasma parvum (UP) in utero. 7 days after intra-amniotic injection of UP (n = 10) or saline (n = 11), lambs were surgically delivered at gestational day 128-129. Expression of inflammatory markers was assessed in different brain regions using qRT-PCR and in cerebrospinal fluid (CSF) by multiplex immunoassay. CSF was analyzed for UP presence using ureB-based real-time PCR, and MRI scans documented cerebral white matter area and cortical folding. Cerebral tissue levels of atypical chemokine receptor (ACKR) 3, caspases 1-like, 2, 7, and C-X-C chemokine receptor (CXCR) 4 mRNA, as well as CSF interleukin-8 protein concentrations were significantly increased in UP-exposed lambs. UP presence in CSF was confirmed in one animal. Cortical folding and white matter area did not differ among groups. The present study confirms a role of caspases and the transmembrane receptors ACKR3 and CXCR4 in Ureaplasma-driven neuroinflammation. Enhanced caspase 1-like, 2, and 7 expression may reflect cell death. Increased ACKR3 and CXCR4 expression has been associated with inflammatory central nervous system (CNS) diseases and impaired blood-brain barrier function. According to these data and previous in vitro findings from our group, we speculate that Ureaplasma-induced caspase and receptor responses affect CNS barrier properties and thus facilitate neuroinflammation.}, language = {en} }