Conradi, Lena-Christin

[["dc.bibliographiccitation.artnumber","27"],["dc.bibliographiccitation.journal","World Journal of Surgical Oncology"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Sprenger, Thilo"],["dc.contributor.author","Rothe, Hilka"],["dc.contributor.author","Jung, Klaus"],["dc.contributor.author","Christiansen, Hans"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.contributor.author","Ghadimi, B. Michael"],["dc.contributor.author","Becker, Heinz"],["dc.contributor.author","Liersch, Torsten"],["dc.date.accessioned","2018-11-07T08:44:09Z"],["dc.date.available","2018-11-07T08:44:09Z"],["dc.date.issued","2010"],["dc.description.abstract","Background: Response to preoperative radiochemotherapy (RCT) in patients with locally advanced rectal cancer is very heterogeneous. Pathologic complete response (pCR) is accompanied by a favorable outcome. However, most patients show incomplete response. The aim of this investigation was to find indications for risk stratification in the group of intermediate responders to RCT. Methods: From a prospective database of 496 patients with rectal adenocarcinoma, 107 patients with stage II/III cancers and intermediate response to preoperative 5-FU based RCT (ypT2/3 and TRG 2/3), treated within the German Rectal Cancer Trials were studied. Surgical treatment comprised curative (R0) total mesorectal excision (TME) in all cases. In 95 patients available for statistical analyses, residual transmural infiltration of the mesorectal compartment, nodal involvement and histolologic tumor grading were investigated for their prognostic impact on disease-free (DFS) and overall survival ( OS). Results: Residual tumor transgression into the mesorectal compartment (ypT3) did not influence DFS and OS rates ( p = 0.619, p = 0.602, respectively). Nodal involvement after preoperative RCT (ypN1/2) turned out to be a valid prognostic factor with decreased DFS and OS (p = 0.0463, p = 0.0236, respectively). Persistent tumor infiltration of the mesorectum ( ypT3) and histologic tumor grading of residual tumor cell clusters were strongly correlated with lymph node metastases after neoadjuvant treatment (p < 0.001). Conclusions: Advanced transmural tumor invasion after RCT does not affect prognosis when curative ( R0) resection is achievable. Residual nodal status is the most important predictor of individual outcome in intermediate responders to preoperative RCT. Furthermore, ypT stage and tumor grading turn out to be additional auxiliary factors. Future clinical trials for risk-adapted adjuvant therapy should be based on a synopsis of clinicopathologic parameters."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft"],["dc.identifier.doi","10.1186/1477-7819-8-27"],["dc.identifier.isi","000277431000001"],["dc.identifier.pmid","20388220"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/5680"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/20132"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Biomed Central Ltd"],["dc.relation.issn","1477-7819"],["dc.rights","CC BY 2.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/2.0"],["dc.title","Stage II/III rectal cancer with intermediate response to preoperative radiochemotherapy: Do we have indications for individual risk stratification?"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","219"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","BMC Cancer"],["dc.bibliographiccitation.volume","21"],["dc.contributor.author","Dröge, Leif H."],["dc.contributor.author","Hennies, Steffen"],["dc.contributor.author","Lorenzen, Stephan"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.contributor.author","Quack, Henriette"],["dc.contributor.author","Liersch, Torsten"],["dc.contributor.author","Helms, Christian"],["dc.contributor.author","Frank, Miriam A."],["dc.contributor.author","Schirmer, Markus A."],["dc.contributor.author","Rave-Fränk, Margret"],["dc.contributor.author","Beißbarth, Tim"],["dc.contributor.author","Wolff, Hendrik A."],["dc.date.accessioned","2021-04-14T08:28:08Z"],["dc.date.accessioned","2022-08-18T12:34:40Z"],["dc.date.available","2021-04-14T08:28:08Z"],["dc.date.available","2022-08-18T12:34:40Z"],["dc.date.issued","2021-03-04"],["dc.date.updated","2022-07-29T12:07:13Z"],["dc.description.abstract","Abstract\r\n \r\n Background\r\n The question whether lymphocyte radiosensitivity is representative of patients’ response to radiotherapy (RT) remains unsolved. We analyzed lymphocyte cytogenetic damage in patients who were homogeneously treated with preoperative radiochemotherapy (RCT) for rectal cancer within clinical trials. We tested for interindividual variation and consistent radiosensitivity after in-vivo and in-vitro irradiation, analyzed the effect of patients’ and RCT characteristics on cytogenetic damage, and tested for correlations with patients’ outcome in terms of tumor response, survival and treatment-related toxicity.\r\n \r\n \r\n Methods\r\n The cytokinesis-block micronucleus cytome (CBMNcyt) assay was performed on the peripheral blood lymphocytes (PBLCs) of 134 patients obtained before, during, at the end of RCT, and during the 2-year follow-up. A subset of PBLCs obtained before RCT was irradiated in-vitro with 3 Gy. RCT included 50.4 Gy of pelvic RT with 5-fluorouracil (5-FU) alone (n = 78) or 5-FU plus oxaliplatin (n = 56). The analyzed variables included patients’ age, gender, RT characteristics (planning target volume size [PTV size], RT technique), and chemotherapy characteristics (5-FU plasma levels, addition of oxaliplatin). Outcome was analyzed as tumor regression, patient survival, and acute and late toxicity.\r\n \r\n \r\n Results\r\n Cytogenetic damage increased significantly with the radiation dose and varied substantially between individuals. Women were more sensitive than men; no significant age-dependent differences were observed. There was a significant correlation between the cytogenetic damage after in-vitro irradiation and in-vivo RCT. We found a significant effect of the PTV size on the yields of cytogenetic damage after RCT, while the RT technique had no effect. Neither the addition of oxaliplatin nor the 5-FU levels influenced cytogenetic damage. We found no correlation between patient outcome and the cytogenetic damage.\r\n \r\n \r\n Conclusions\r\n We found consistent cytogenetic damage in lymphocytes after in-vivo RCT and in-vitro irradiation. Gender was confirmed as a well-known, and the PTV size was identified as a less well-known influencing variable on lymphocyte cytogenetic damage after partial-body irradiation. A consistent level of cytogenetic damage after in-vivo and in-vitro irradiation may indicate the importance of genetic factors for individual radiosensitivity. However, we found no evidence that in-vivo or in-vitro irradiation-induced cytogenetic damage is an adequate biomarker for the response to RCT in rectal cancer patients."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.citation","BMC Cancer. 2021 Mar 04;21(1):219"],["dc.identifier.doi","10.1186/s12885-021-07914-5"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17741"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/82514"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/112932"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-399"],["dc.notes.intern","Merged from goescholar"],["dc.publisher","BioMed Central"],["dc.relation.eissn","1471-2407"],["dc.rights","CC BY 4.0"],["dc.rights.holder","The Author(s)"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.subject","Rectal cancer"],["dc.subject","Radiochemotherapy"],["dc.subject","Cytogenetic damage"],["dc.subject","Micronucleus test"],["dc.subject","Toxicity"],["dc.subject","Survival"],["dc.title","Prognostic value of the micronucleus assay for clinical endpoints in neoadjuvant radiochemotherapy for rectal cancer"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","48"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Radiotherapy and Oncology"],["dc.bibliographiccitation.lastpage","54"],["dc.bibliographiccitation.volume","108"],["dc.contributor.author","Wolff, Hendrik Andreas"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.contributor.author","Beißbarth, Tim"],["dc.contributor.author","Leha, Andreas"],["dc.contributor.author","Hohenberger, Werner"],["dc.contributor.author","Merkel, Susanne"],["dc.contributor.author","Fietkau, Rainer"],["dc.contributor.author","Raab, Hans-Rudolf"],["dc.contributor.author","Tschmelitsch, Joerg"],["dc.contributor.author","Hess, Clemens Friedrich"],["dc.contributor.author","Becker, Heinz"],["dc.contributor.author","Wittekind, Christian"],["dc.contributor.author","Sauer, Rolf"],["dc.contributor.author","Roedel, Claus"],["dc.contributor.author","Liersch, Torsten"],["dc.date.accessioned","2018-11-07T09:22:42Z"],["dc.date.available","2018-11-07T09:22:42Z"],["dc.date.issued","2013"],["dc.description.abstract","Introduction: The CAO/ARO/AIO-94 phase-III-trial demonstrated a significant improvement of preoperative chemoradiotherapy (CRT) versus postoperative CRT on local control for UICC stage II/III rectal cancer patients, but no effect on long-term survival. In this add-on evaluation, we investigated the association of gender and age with acute toxicity and outcome. Patients and methods: According to actual treatment analyses, 654 of 799 patients had received pre-(n = 406) or postoperative CRT (n = 248); in 145 patients postoperative CRT was not applied. Gender, age and clinicopathological parameters were correlated with CRT-associated acute toxicity and survival. Results: The 10-year survival was higher in women than in men, with 72.4% versus 65.6% for time to recurrence (p = 0.088) and 62.7% versus 58.4% for overall-survival (OS) (p = 0.066), as expected. For patients receiving CRT, women showed higher hematologic (p < 0.001) and acute organ toxicity (p < 0.001) in the entire cohort as well as in subgroup analyses according to pre- (p = 0.016) and postoperative CRT (p < 0.001). Lowest OS was seen in patients without acute toxicity (p = 0.0271). Multivariate analyses for OS showed that acute organ toxicity (p = 0.034) was beneficial while age (p < 0.001) was associated with worse OS. Discussion: Female gender is significantly associated with CRT-induced acute toxicity in rectal cancer. Acute toxicity during CRT may be associated with improved long-term outcome. (C) 2013 Elsevier Ireland Ltd. All rights reserved."],["dc.identifier.doi","10.1016/j.radonc.2013.05.009"],["dc.identifier.isi","000324155900007"],["dc.identifier.pmid","23768685"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/11335"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/29411"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Elsevier Ireland Ltd"],["dc.relation.issn","0167-8140"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Gender affects acute organ toxicity during radiochemotherapy for rectal cancer: Long-term results of the German CAO/ARO/AIO-94 phase III trial"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","227"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Digestion"],["dc.bibliographiccitation.lastpage","235"],["dc.bibliographiccitation.volume","102"],["dc.contributor.affiliation","Bremer, Sebastian C.B.; \r\n aClinic for Gastroenterology and Gastrointestinal Oncology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Conradi, Lena-Christin; \r\n bClinic for General, Visceral and Pediatric Surgery, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Mechie, Nicolae-Catalin; \r\n aClinic for Gastroenterology and Gastrointestinal Oncology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Amanzada, Ahmad; \r\n aClinic for Gastroenterology and Gastrointestinal Oncology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Mavropoulou, Eirini; \r\n aClinic for Gastroenterology and Gastrointestinal Oncology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Kitz, Julia; \r\n cInstitute of Pathology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Ghadimi, Michael; \r\n bClinic for General, Visceral and Pediatric Surgery, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Ellenrieder, Volker; \r\n aClinic for Gastroenterology and Gastrointestinal Oncology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Ströbel, Philipp; \r\n cInstitute of Pathology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Hessmann, Elisabeth; \r\n aClinic for Gastroenterology and Gastrointestinal Oncology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Gaedcke, Jochen; \r\n bClinic for General, Visceral and Pediatric Surgery, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.affiliation","Bohnenberger, Hanibal; \r\n cInstitute of Pathology, University Medical Center Goettingen, Georg-August-University, Goettingen, Germany"],["dc.contributor.author","Bremer, Sebastian C. B."],["dc.contributor.author","Mechie, Nicolae-Catalin"],["dc.contributor.author","Mavropoulou, Eirini"],["dc.contributor.author","Ellenrieder, Volker"],["dc.contributor.author","Hessmann, Elisabeth"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.contributor.author","Amanzada, Ahmad"],["dc.contributor.author","Kitz, Julia"],["dc.contributor.author","Ghadimi, Michael"],["dc.contributor.author","Ströbel, Philipp"],["dc.contributor.author","Gaedcke, Jochen"],["dc.contributor.author","Bohnenberger, Hanibal"],["dc.date.accessioned","2021-04-26T11:54:07Z"],["dc.date.available","2021-04-26T11:54:07Z"],["dc.date.issued","2021"],["dc.date.updated","2022-03-21T21:17:53Z"],["dc.description.abstract","Colorectal cancer (CRC) is the leading gastrointestinal malignancy. The development from premalignant intraepithelial lesions leading to invasive cancer is paradigmatic for the stepwise carcinogenesis of epithelial cancers, but the knowledge of the underlying mechanism of carcinogenesis and progression of CRC is still incomplete. The understanding of epigenetic mechanisms of carcinogenesis has led to new therapeutic approaches during the last years. Enhancer of zeste homolog 2 (EZH2) is one central epigenetic silencer of the polycomb repressor complex 2 (PRC2) that is already in clinical use as a novel drug target and is associated with poorer prognosis in several cancer entities."],["dc.identifier","31694013"],["dc.identifier.doi","10.1159/000504093"],["dc.identifier.pmid","31694013"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/84358"],["dc.language.iso","en"],["dc.publisher","S. Karger AG"],["dc.relation.eissn","1421-9867"],["dc.relation.issn","0012-2823"],["dc.relation.issn","1421-9867"],["dc.rights.uri","https://www.karger.com/Services/SiteLicenses"],["dc.title","Enhancer of Zeste Homolog 2 in Colorectal Cancer Development and Progression"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","612774"],["dc.bibliographiccitation.journal","Frontiers in Cell and Developmental Biology"],["dc.bibliographiccitation.volume","9"],["dc.contributor.author","Haas, Gwendolyn"],["dc.contributor.author","Fan, Shuang"],["dc.contributor.author","Ghadimi, Michael"],["dc.contributor.author","De Oliveira, Tiago"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.date.accessioned","2021-06-22T13:36:45Z"],["dc.date.accessioned","2021-10-27T13:22:28Z"],["dc.date.available","2021-06-22T13:36:45Z"],["dc.date.available","2021-10-27T13:22:28Z"],["dc.date.issued","2021"],["dc.description.abstract","In modern anti-cancer therapy of metastatic colorectal cancer (mCRC) the anti-angiogenic treatment targeting sprouting angiogenesis is firmly established for more than a decade. However, its clinical benefits still remain limited. As liver metastases (LM) represent the most common metastatic site of colorectal cancer and affect approximately one-quarter of the patients diagnosed with this malignancy, its treatment is an essential aspect for patients' prognosis. Especially in the perioperative setting, the application of anti-angiogenic drugs represents a therapeutic option that may be used in case of high-risk or borderline resectable colorectal cancer liver metastases (CRCLM) in order to achieve secondary resectability. Regarding CRCLM, one reason for the limitations of anti-angiogenic treatment may be represented by vessel co-option (VCO), which is an alternative mechanism of blood supply that differs fundamentally from the well-known sprouting angiogenesis and occurs in a significant fraction of CRCLM. In this scenario, tumor cells hijack pre-existing mature vessels of the host organ independently from stimulating new vessels formation. This represents an escape mechanism from common anti-angiogenic anti-cancer treatments, as they primarily target the main trigger of sprouting angiogenesis, the vascular endothelial growth factor A. Moreover, the mechanism of blood supply in CRCLM can be deduced from their phenotypic histopathological growth pattern (HGP). For that, a specific guideline has already been implemented. These HGP vary not only regarding their blood supply, but also concerning their tumor microenvironment (TME), as notable differences in immune cell infiltration and desmoplastic reaction surrounding the CRCLM can be observed. The latter actually serves as one of the central criteria for the classification of the HGP. Regarding the clinically relevant effects of the HGP, it is still a topic of research whether the VCO-subgroup of CRCLM results in an impaired treatment response to anti-angiogenic treatment when compared to an angiogenic subgroup. However, it is well-proved, that VCO in CRCLM generally relates to an inferior survival compared to the angiogenic subgroup. Altogether the different types of blood supply result in a relevant influence on the patients' prognosis. This reinforces the need of an extended understanding of the underlying mechanisms of VCO in CRCLM with the aim to generate more comprehensive approaches which can target tumor vessels alternatively or even other components of the TME. This review aims to augment the current state of knowledge on VCO in CRCLM and other tumor entities and its impact on anti-angiogenic anti-cancer therapy."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2021"],["dc.identifier.doi","10.3389/fcell.2021.612774"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/17843"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/92098"],["dc.language.iso","en"],["dc.notes.intern","Migrated from goescholar"],["dc.publisher","Frontiers Media S.A."],["dc.relation.eissn","2296-634X"],["dc.relation.orgunit","Universitätsmedizin Göttingen"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject.ddc","610"],["dc.title","Different Forms of Tumor Vascularization and Their Clinical Implications Focusing on Vessel Co-option in Colorectal Cancer Liver Metastases"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1463"],["dc.bibliographiccitation.issue","10"],["dc.bibliographiccitation.journal","International Journal of Colorectal Disease"],["dc.bibliographiccitation.lastpage","1469"],["dc.bibliographiccitation.volume","32"],["dc.contributor.author","Lowes, Markus"],["dc.contributor.author","Kleiss, Mathias"],["dc.contributor.author","Lueck, Rainer"],["dc.contributor.author","Detken, Sven"],["dc.contributor.author","König, Alexander Otto"],["dc.contributor.author","Nietert, Manuel M."],["dc.contributor.author","Beißbarth, Tim"],["dc.contributor.author","Stanek, Kathrin"],["dc.contributor.author","Langer, Claus"],["dc.contributor.author","Ghadimi, Michael B."],["dc.contributor.author","Conradi, Lena-Christin"],["dc.contributor.author","Homayounfar, Kia"],["dc.date.accessioned","2019-07-09T11:44:24Z"],["dc.date.available","2019-07-09T11:44:24Z"],["dc.date.issued","2017"],["dc.description.abstract","PURPOSE: Multidisciplinary tumor boards (MDT) have been advocated as standard of care in modern oncology. German guidelines for metastasized colorectal cancer (mCRC) recommend MDT discussion of colon cancer patients after completion of primary tumor therapy but stage IV colon cancer as well as rectal cancer patients prior to any therapy. In this health care research study, we evaluated application and decisional consequences of this approach in clinical routine. METHODS: All major institutions providing oncological care in southern Lower Saxony and Northern Hesse (N = 11) were invited. Patients with mCRC diagnosed between 01/2011 and 12/2013 were eligible. Data were collected using a standardized patient report form and stored in a GCP-conform EDC-system (secuTrial®). RESULTS: A university medical center, four teaching hospitals, one communal hospital, and three oncological focus practices participated in the study. In total, 470 patients with a median age of 70 years were enrolled. Guideline conform MDT discussion was performed in 63% of operated colon cancer patients, 38% of stage IV colon cancer patients and 47% of rectal cancer patients, respectively. Resection of metastases was performed in 41% of cases. Patients ≥70 years (n = 250) received significantly more often treatment following MDT discussion (86 versus 64%, p = 0.0002). Not the resection rate (48 versus 57%, p = 0.1574) but indication for preoperative chemotherapy (57 versus 33%, p = 0.0056) significantly differed when patients with single organ metastases experienced MDT discussion. CONCLUSIONS: MDT discussion is not as established as advocated by national guidelines. Treatment decisions differ especially in older patients and those with single organ metastases."],["dc.identifier.doi","10.1007/s00384-017-2871-z"],["dc.identifier.pmid","28779354"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14738"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/59003"],["dc.notes.intern","Merged from goescholar"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","The utilization of multidisciplinary tumor boards (MDT) in clinical routine: results of a health care research study focusing on patients with metastasized colorectal cancer"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","309"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Clinical & Experimental Metastasis"],["dc.bibliographiccitation.lastpage","323"],["dc.bibliographiccitation.volume","33"],["dc.contributor.author","Bleckmann, Annalen"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.contributor.author","Menck, Kerstin"],["dc.contributor.author","Schmick, Nadine Annette"],["dc.contributor.author","Schubert, Antonia"],["dc.contributor.author","Rietkoetter, Eva"],["dc.contributor.author","Arackal, Jetcy"],["dc.contributor.author","Middel, Peter"],["dc.contributor.author","Schambony, Alexandra"],["dc.contributor.author","Liersch, Torsten"],["dc.contributor.author","Homayounfar, Kia"],["dc.contributor.author","Beißbarth, Tim"],["dc.contributor.author","Klemm, Florian"],["dc.contributor.author","Binder, Claudia"],["dc.contributor.author","Pukrop, Tobias"],["dc.date.accessioned","2018-11-07T10:16:24Z"],["dc.date.available","2018-11-07T10:16:24Z"],["dc.date.issued","2016"],["dc.description.abstract","Liver metastasis development in breast cancer patients is common and confers a poor prognosis. So far, the prognostic significance of surgical resection and clinical relevance of biomarker analysis in metastatic tissue have barely been investigated. We previously demonstrated an impact of WNT signaling in breast cancer brain metastasis. This study aimed to investigate the value of established prognostic markers and WNT signaling components in liver metastases. Overall N = 34 breast cancer liver metastases (with matched primaries in 19/34 cases) were included in this retrospective study. Primaries and metastatic samples were analyzed for their expression of the estrogen (ER) and progesterone receptor, HER-2, Ki67, and various WNT signaling-components by immunohistochemistry. Furthermore, beta-catenin-dependent and -independent WNT scores were generated and analyzed for their prognostic value. Additionally, the influence of the alternative WNT receptor ROR on signaling and invasiveness was analyzed in vitro. ER positivity (HR 0.09, 95 % CI 0.01-0.56) and high Ki67 (HR 3.68, 95 % CI 1.12-12.06) in the primaries had prognostic impact. However, only Ki67 remained prognostic in the metastatic tissue (HR 2.46, 95 % CI 1.11-5.44). Additionally, the beta-catenin-independent WNT score correlated with reduced overall survival only in the metastasized situation (HR 2.19, 95 % CI 1.02-4.69, p = 0.0391). This is in line with the in vitro results of the alternative WNT receptors ROR1 and ROR2, which foster invasion. In breast cancer, the value of prognostic markers established in primary tumors cannot directly be translated to metastases. Our results revealed beta-catenin-independent WNT signaling to be associated with poor prognosis in patients with breast cancer liver metastasis."],["dc.identifier.doi","10.1007/s10585-016-9780-3"],["dc.identifier.isi","000373005900002"],["dc.identifier.pmid","26862065"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/13177"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/41033"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","1573-7276"],["dc.relation.issn","0262-0898"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","beta-catenin-independent WNT signaling and Ki67 in contrast to the estrogen receptor status are prognostic and associated with poor prognosis in breast cancer liver metastases"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1229"],["dc.bibliographiccitation.issue","7"],["dc.bibliographiccitation.journal","Journal of Cancer"],["dc.bibliographiccitation.lastpage","1237"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Rühlmann, Felix"],["dc.contributor.author","Nietert, Manuel M."],["dc.contributor.author","Sprenger, Thilo"],["dc.contributor.author","Wolff, Hendrik Andreas"],["dc.contributor.author","Homayounfar, Kia"],["dc.contributor.author","Middel, Peter"],["dc.contributor.author","Bohnenberger, Hanibal"],["dc.contributor.author","Beißbarth, Tim"],["dc.contributor.author","Ghadimi, Michael B."],["dc.contributor.author","Liersch, Torsten"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.date.accessioned","2018-11-07T10:28:34Z"],["dc.date.available","2018-11-07T10:28:34Z"],["dc.date.issued","2017"],["dc.description.abstract","The cellular sarcoma gene (SRC) is a proto-oncogene encoding for a tyrosine kinase. SRC expression was determined in locally advanced rectal adenocarcinoma tissue from pretreatment biopsies and resection specimens. The expression level was correlated with clinicopathological parameters to evaluate the predictive and prognostic capacity. For this monocentric analysis 186 patients with locally advanced rectal cancer (median: 63.7 years; 130 men (69.9%), 56 women (30.1%)) were included. Patients with a carcinoma of the upper third of the rectum were treated with primary tumor resection (n=27; 14.5%). All other patients received a preoperative chemoradiotherapy (CRT) with 50.4 Gy and concomitant 5-fluorouracil (5-FU) or 5-FU+oxaliplatin followed by postoperative chemotherapy with 5-FU or 5-FU+ oxaliplatin. SRC expression was determined with immunohistochemical staining from pretreatment biopsies (n=152) and residual tumor tissue from the resection specimens (n=163). The results were correlated with clinicopathological parameters and long-term follow-up. The expression of SRC was determined in pretherapeutic biopsies (mean H-Score: 229) and resection specimens (mean H-Score: 254). High SRC expression in pretherapeutic tumor samples significantly correlated with a negative postoperative nodal status (p=0.005). Furthermore an increased protein expression in residual tumor tissue was associated with fewer distant metastases (p=0.04). The overexpression of SRC in pretreatment tumor biopsies showed also a trend for a longer cancer-specific survival (CSS; p=0.05) and fewer local relapses (p=0.06) during long-term follow-up. High SRC expression in rectal cancer seems to be associated with a better long-term outcome. This finding could help in the future to stratify patients for a recurrence risk adapted postoperative treatment."],["dc.identifier.doi","10.7150/jca.16980"],["dc.identifier.isi","000402474000015"],["dc.identifier.pmid","28607598"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14945"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/43450"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","PUB_WoS_Import"],["dc.publisher","Ivyspring Int Publ"],["dc.relation.issn","1837-9664"],["dc.rights","CC BY-NC 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by-nc/4.0"],["dc.title","The Prognostic Value of Tyrosine Kinase SRC Expression in Locally Advanced Rectal Cancer"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","609"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Case reports in oncology"],["dc.bibliographiccitation.lastpage","615"],["dc.bibliographiccitation.volume","6"],["dc.contributor.author","Quack, Henriette"],["dc.contributor.author","Erpenbeck, Luise"],["dc.contributor.author","Wolff, Hendrik A."],["dc.contributor.author","Sprenger, Thilo"],["dc.contributor.author","Seitz, Cornelia S."],["dc.contributor.author","Schön, Michael P."],["dc.contributor.author","Neumann, Steffen"],["dc.contributor.author","Stanek, Kathrin"],["dc.contributor.author","Ghadimi, B. Michael"],["dc.contributor.author","Michels, Beate"],["dc.contributor.author","Middel, Peter"],["dc.contributor.author","Schaefer, Inga-Marie"],["dc.contributor.author","Liersch, Torsten"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.date.accessioned","2019-07-09T11:40:06Z"],["dc.date.available","2019-07-09T11:40:06Z"],["dc.date.issued","2013-09-01"],["dc.description.abstract","Leukocytoclastic vasculitis is a multicausal systemic inflammatory disease of the small vessels, histologically characterized by inflammation and deposition of both nuclear debris and fibrin in dermal postcapillary venules. The clinical picture typically involves palpable purpura of the lower legs and may be associated with general symptoms such as fatigue, arthralgia and fever. Involvement of the internal organs, most notably the kidneys, the central nervous system or the eyes, is possible and determines the prognosis. Oxaliplatin-induced leukocytoclastic vasculitis is a very rare event that limits treatment options in affected patients. We report 2 patients who developed the condition under chemotherapy for advanced rectal and metastatic colon carcinoma, respectively; a termination of the therapy was therefore necessary. While current therapies for colorectal cancer include the combination of multimodal treatment with new and targeted agents, rare and unusual side effects elicited by established agents also need to be taken into account for the clinical management."],["dc.identifier.doi","10.1159/000357166"],["dc.identifier.fs","601879"],["dc.identifier.pmid","24474925"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10665"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/58092"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation.issn","1662-6575"],["dc.rights","CC BY-NC 3.0"],["dc.rights.uri","https://creativecommons.org/licenses/by-nc/3.0"],["dc.title","Oxaliplatin-Induced Leukocytoclastic Vasculitis under Adjuvant Chemotherapy for Colorectal Cancer: Two Cases of a Rare Adverse Event."],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","e101563"],["dc.bibliographiccitation.issue","7"],["dc.bibliographiccitation.journal","PLOS ONE"],["dc.bibliographiccitation.volume","9"],["dc.contributor.author","Ilgen, Peter"],["dc.contributor.author","Stoldt, Stefan"],["dc.contributor.author","Conradi, Lena-Christin"],["dc.contributor.author","Wurm, Christian Andreas"],["dc.contributor.author","Rüschoff, Josef"],["dc.contributor.author","Ghadimi, B. Michael"],["dc.contributor.author","Liersch, Torsten"],["dc.contributor.author","Jakobs, Stefan"],["dc.date.accessioned","2017-09-07T11:45:42Z"],["dc.date.available","2017-09-07T11:45:42Z"],["dc.date.issued","2014"],["dc.description.abstract","Formalin fixed and paraffin-embedded human tissue resected during cancer surgery is indispensable for diagnostic and therapeutic purposes and represents a vast and largely unexploited resource for research. Optical microscopy of such specimen is curtailed by the diffraction-limited resolution of conventional optical microscopy. To overcome this limitation, we used STED super-resolution microscopy enabling optical resolution well below the diffraction barrier. We visualized nanoscale protein distributions in sections of well-annotated paraffin-embedded human rectal cancer tissue stored in a clinical repository. Using antisera against several mitochondrial proteins, STED microscopy revealed distinct sub-mitochondrial protein distributions, suggesting a high level of structural preservation. Analysis of human tissues stored for up to 17 years demonstrated that these samples were still amenable for super-resolution microscopy. STED microscopy of sections of HER2 positive rectal adenocarcinoma revealed details in the surface and intracellular HER2 distribution that were blurred in the corresponding conventional images, demonstrating the potential of super-resolution microscopy to explore the thus far largely untapped nanoscale regime in tissues stored in biorepositories."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2014"],["dc.identifier.doi","10.1371/journal.pone.0101563"],["dc.identifier.gro","3142087"],["dc.identifier.isi","000339992400018"],["dc.identifier.pmid","25025184"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10481"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/4400"],["dc.language.iso","en"],["dc.notes.intern","WoS Import 2017-03-10"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","PUB_WoS_Import"],["dc.relation.issn","1932-6203"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.title","STED Super-Resolution Microscopy of Clinical Paraffin-Embedded Human Rectal Cancer Tissue"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]