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Göß C, Kuhn R, Hertlein L, Fürst S, Bayer D, Kolben T, Kolben TM, Holdt L, Mahner S, Burges A, Ditsch N. Steroidhormonuntersuchungen bei sporadischem versus BRCA-mutiertem Ovarialkarzinom. Geburtshilfe Frauenheilkd 2016. [DOI: 10.1055/s-0036-1593009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Burges A, Epelde L, Benito G, Artetxe U, Becerril JM, Garbisu C. Enhancement of ecosystem services during endophyte-assisted aided phytostabilization of metal contaminated mine soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 562:480-492. [PMID: 0 DOI: 10.1016/j.scitotenv.2016.04.080] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 04/11/2016] [Accepted: 04/11/2016] [Indexed: 05/28/2023]
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Lindemann K, Kristensen G, Mirza M, Davies L, Hilpert F, Romero I, Ayhan A, Burges A, Rubio M, Raspagliesi F, Huizing M, Creemers GJ, Lykka M, Lee C, Gebski V, Pujade-Lauraine E. Poor concordance between CA-125 and RECIST at the time of disease progression in patients with platinum-resistant ovarian cancer: analysis of the AURELIA trial. Ann Oncol 2016; 27:1505-1510. [DOI: 10.1093/annonc/mdw238] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Mahner S, Trillsch F, Chi D, Harter P, Pfisterer J, Hilpert F, Burges A, Weissenbacher T, du Bois A. Neoadjuvant chemotherapy in ovarian cancer revisited. Ann Oncol 2016; 27 Suppl 1:i30-i32. [DOI: 10.1093/annonc/mdw092] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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55
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Heublein S, Page SK, Mayr D, Ditsch N, Burges A, Dannecker C, Jeschke U. Potentielle prognostische Relevanz des Kohlenhydrat-Tumorstammzell-Antigens TF1 (CD176) in Ovarialkarzinomen. Geburtshilfe Frauenheilkd 2015. [DOI: 10.1055/s-0035-1555077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Burges A, Epelde L, Garbisu C. Impact of repeated single-metal and multi-metal pollution events on soil quality. CHEMOSPHERE 2015; 120:8-15. [PMID: 25462295 DOI: 10.1016/j.chemosphere.2014.05.037] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 05/12/2014] [Accepted: 05/13/2014] [Indexed: 05/25/2023]
Abstract
Most frequently, soil metal pollution results from the occurrence of repeated single-metal and, above all, multi-metal pollution events, with concomitant adverse consequences for soil quality. Therefore, in this study, we evaluated the impact of repeated single-metal and multi-metal (Cd, Pb, Cu, Zn) pollution events on soil quality, as reflected by the values of a variety of soil microbial parameters with potential as bioindicators of soil functioning. Specifically, parameters of microbial activity (potentially mineralizable nitrogen, β-glucosidase and acid phosphatase activity) and biomass (fungal and bacterial gene abundance by RT-qPCR) were determined, in the artificially metal-polluted soil samples, at regular intervals over a period of 26 weeks. Similarly, we studied the evolution over time of CaCl2-extractable metal fractions, in order to estimate metal bioavailability in soil. Different metals showed different values of bioavailability and relative bioavailability ([metal]bio/[metal]tot) in soil throughout the experiment, under both repeated single-metal and multi-metal pollution events. Both repeated Zn-pollution and multi-metal pollution events led to a significant reduction in the values of acid phosphatase activity, and bacterial and fungal gene abundance, reflecting the negative impact of these repeated events on soil microbial activity and biomass, and, hence, soil quality.
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Trillsch F, Mahner S, Vettorazzi E, Woelber L, Reuss A, Baumann K, Keyver-Paik MD, Canzler U, Wollschlaeger K, Forner D, Pfisterer J, Schroeder W, Muenstedt K, Richter B, Fotopoulou C, Schmalfeldt B, Burges A, Ewald-Riegler N, de Gregorio N, Hilpert F, Fehm T, Meier W, Hillemanns P, Hanker L, Hasenburg A, Strauss HG, Hellriegel M, Wimberger P, Kommoss S, Kommoss F, Hauptmann S, du Bois A. Surgical staging and prognosis in serous borderline ovarian tumours (BOT): a subanalysis of the AGO ROBOT study. Br J Cancer 2015; 112:660-6. [PMID: 25562434 PMCID: PMC4333495 DOI: 10.1038/bjc.2014.648] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 11/27/2014] [Accepted: 12/06/2014] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Incomplete surgical staging is a negative prognostic factor for patients with borderline ovarian tumours (BOT). However, little is known about the prognostic impact of each individual staging procedure. METHODS Clinical parameters of 950 patients with BOT (confirmed by central reference pathology) treated between 1998 and 2008 at 24 German AGO centres were analysed. In 559 patients with serous BOT and adequate ovarian surgery, further recommended staging procedures (omentectomy, peritoneal biopsies, cytology) were evaluated applying Cox regression models with respect to progression-free survival (PFS). RESULTS For patients with one missing staging procedure, the hazard ratio (HR) for recurrence was 1.25 (95%-CI 0.66-2.39; P=0.497). This risk increased with each additional procedure skipped reaching statistical significance in case of two (HR 1.95; 95%-CI 1.06-3.58; P=0.031) and three missing steps (HR 2.37; 95%-CI 1.22-4.64; P=0.011). The most crucial procedure was omentectomy which retained a statistically significant impact on PFS in multiple analysis (HR 1.91; 95%-CI 1.15-3.19; P=0.013) adjusting for previously established prognostic factors as FIGO stage, tumour residuals, and fertility preservation. CONCLUSION Individual surgical staging procedures contribute to the prognosis for patients with serous BOT. In this analysis, recurrence risk increased with each skipped surgical step. This should be considered when re-staging procedures following incomplete primary surgery are discussed.
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Hoffmann O, Regenauer M, Löwe R, Dehn-Rotfelser KV, Funke I, Burges A, Beer D, Mayer B. Identification of the most effective chemotherapy in recurrent ovarian cancer using the spheroid model. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Beer D, Friese K, Fürst S, Göß C, Hertlein L, Lenhard M, Grandl S, Heinemann V, Burges A. Individualized management of Aggressive Angiomyxoma: A case report. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Mahner S, Hilpert F, Meier W, Sailer O, Hanker L, Canzler U, Sehouli J, Baumann K, Burges A, Gropp M, Hasenburg A, Belau A, Fehm T, Kosse J, Schmalfeldt B, Marme F, Cibula D, Richter B, Herwig U, Liebrich C, Gerber B, Potenberg J, Krabisch P, Thill M, Harter P, Kimmig R, de Gregorio N, Pfisterer J, Merger M, du Bois A. Unabhängige Analyse der AGO-OVAR 12, einer GCIG/ENGOT-Intergroup Phase III Studie mit Nintedanib in der Firstline Therapie beim Ovarialkarzinom. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Arnold F, Margraf D, Hoffmann O, Dehn-Rotfelser KV, Funke I, Loewe R, Burges A, Beer D, Werner J, Mayer B. Tumor biology driven treatment selection in primary ovarian cancer. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Trillsch F, Mahner S, Woelber L, Vettorazzi E, Reuss A, Baumann K, Keyver-Paik MD, Canzler U, Wollschlaeger K, Forner D, Pfisterer J, Schroeder W, Muenstedt K, Richter B, Fotopoulou C, Schmalfeldt B, Burges A, Ewald-Riegler N, De Gregorio N, Hilpert F, Fehm T, Meier W, Hillemanns P, Hanker L, Hasenburg A, Strauß HG, Hellriegel M, Wimberger P, du Bois A. Prognostische Bedeutung von Zeitintervall und Staging-Prozeduren für Patientinnen mit primären Borderline-Tumoren des Ovars (BOT): Eine Subgruppen-Analyse der Arbeitsgemeinschaft Gynäkologische Onkologie (AGO) ROBOT-Studie. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Schmalfeldt B, Burges A, Mayr D, Schubert-Fritschle G, Rottmann M, Engel J. Qualität der Therapie des Ovarialkarzinoms in der Region des Tumorzentrums München. Epidemiologische Daten im Vergleich. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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64
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Canzler U, Hilpert F, Meier W, Reuß A, Hanker LC, Sehouli J, Baumann K, Burges A, Gropp-Meier M, Hasenburg A, Belau A, Fehm T, Kosse J, Mahner S, Schmalfeldt B, Marmé F, Richter B, Cibula D, Harter P, Kimmig R, de Gregorio N, Pfisterer J, Merger M, du Bois A. AGO-OVAR 12: Eine randomisierte, Placebo-kontrollierte Phase III-Studie zum Einsatz von Carboplatin und Paclitaxel ± Nintedanib beim fortgeschrittenen Ovarialkarzinom (GCIG/ENGOT-Intergroup-Studie). Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Trillsch F, Mahner S, Woelber L, Vettorazzi E, Reuss A, Ewald-Riegler N, de Gregorio N, Fotopoulou C, Schmalfeldt B, Burges A, Hilpert F, Fehm T, Meier W, Hillemanns P, Hanker L, Hasenburg A, Strauss HG, Hellriegel M, Wimberger P, Baumann K, Keyver-Paik MD, Canzler U, Wollschlaeger K, Forner D, Pfisterer J, Schroeder W, Muenstedt K, Richter B, Kommoss F, Hauptmann S, du Bois A. Age-dependent differences in borderline ovarian tumours (BOT) regarding clinical characteristics and outcome: results from a sub-analysis of the Arbeitsgemeinschaft Gynaekologische Onkologie (AGO) ROBOT study. Ann Oncol 2014; 25:1320-1327. [PMID: 24618151 DOI: 10.1093/annonc/mdu119] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Approximately one-third of all borderline ovarian tumours (BOT) are diagnosed in patients with child-bearing potential. Detailed information regarding their specific characteristics and prognostic factors is limited. METHODS Clinical parameters of BOT patients treated between 1998 and 2008 in 24 German centres were retrospectively investigated. Central pathology review and prospective follow-up were carried out. Patients <40 versus ≥40 years were analysed separately and then compared regarding clinico-pathological variables and prognosis. RESULTS A total of 950 BOT patients with a median age of 49.1 (14.1-91.5) years were analysed [280 patients <40 years (29.5%), 670 patients ≥40 years (70.5%)]. Fertility-preserving surgery was carried out in 53.2% (149 of 280) of patients <40 years with preservation of the primarily affected ovary in 32 of these 149 cases (21.5%). Recurrence was significantly more frequent in patients <40 years (19.0% versus 10.1% 5-year recurrence rate, P < 0.001), usually in ovarian tissue, whereas disease-specific overall survival did not differ between the subgroups. In case of recurrent disease, malignant transformation was less frequent in younger than in older patients (12.0% versus 66.7%, P < 0.001), mostly presenting as invasive peritoneal carcinomatosis. Multivariate analysis for patients <40 years identified advanced International Federation of Gynecology and Obstetrics (FIGO) stage and fertility-sparing approach as independent prognostic factors negatively affecting progression-free survival (PFS) while, for patients ≥40 years, higher FIGO stage and incomplete staging was associated with impaired PFS. CONCLUSIONS Despite favourable survival, young BOT patients with child-bearing potential are at higher risk for disease recurrence. However, relapses usually remain BOT in the preserved ovaries as opposed to older patients being at higher risk for malignant transformation in peritoneal or distant localisation. Therefore, fertility-sparing approach can be justified for younger patients after thorough consultation.
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Wagner U, Harter P, Hilpert F, Mahner S, Reuß A, du Bois A, Petru E, Meier W, Ortner P, König K, Lindel K, Grab D, Piso P, Ortmann O, Runnebaum I, Pfisterer J, Lüftner D, Frickhofen N, Grünwald F, Maier BO, Diebold J, Hauptmann S, Kommoss F, Emons G, Radeleff B, Gebhardt M, Arnold N, Calaminus G, Weisse I, Weis J, Sehouli J, Fink D, Burges A, Hasenburg A, Eggert C. S3-Guideline on Diagnostics, Therapy and Follow-up of Malignant Ovarian Tumours: Short version 1.0 - AWMF registration number: 032/035OL, June 2013. Geburtshilfe Frauenheilkd 2013; 73:874-889. [PMID: 24771937 PMCID: PMC3859160 DOI: 10.1055/s-0033-1350713] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Schmalfeldt B, Burges A, Hilpert F, Reuß A, Fehm T, Meier W, Kommoss F, Hillemanns P, Hanker L, Hasenburg A, Strauß HG, Hellriegel M, Wimberger P, Kommoss S, Ewald-Riegler N, de Gregorio N, Mahner S, Fotopoulou C, Hauptmann S, du Bois A. Krankheitsverlauf von Patientinnen mit Borderline Tumoren des Ovars: Ergebnisse der multizentrischen AGO „ROBOT“ Studie. Geburtshilfe Frauenheilkd 2012. [DOI: 10.1055/s-0032-1318536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Bruning A, Vogel M, Mylonas I, Friese K, Burges A. Bortezomib targets the caspase-like proteasome activity in cervical cancer cells, triggering apoptosis that can be enhanced by nelfinavir. Curr Cancer Drug Targets 2012; 11:799-809. [PMID: 21762082 DOI: 10.2174/156800911796798913] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2010] [Revised: 10/26/2010] [Accepted: 03/01/2011] [Indexed: 11/22/2022]
Abstract
The occurrence of chemoresistance is a serious problem in the treatment of cancer, urging the need for second and third-line treatment options that rely on different cell death pathways to overcome previously acquired resistance mechanisms. The inhibition of proteasomal activity by specific proteasome inhibitors or cross-reactivity of certain protease inhibitors with proteasomal enzymes recently became of interest because of the anti-tumoral properties of these agents. We tested the proteasome inhibitor bortezomib and the HIV protease inhibitor nelfinavir on human cervical cancer cells. Both drugs induced cell cycle arrest in cervical cancer cells, as reflected by marked changes in the expression of cell cycle-regulatory cyclins and ensuing mitochondrial-independent apoptosis. Upregulation of the molecular chaperone BiP and the cell stress marker ATF3 indicated induction of the unfolded protein response (UPR) as the main cause of apoptosis induced by these drugs in cervical cancer cells. Unlike in leukemia cells, bortezomib mainly inhibited the caspase-like activity of the proteasome in cervical cancer cells. Nelfinavir exhibited no effects on proteasomal activity in cervical cancer cells and leukemia cells. Although both bortezomib and nelfinavir acted on cisplatin-resistant cervical cancer cells (SiHa), neither of the drugs induced a sensitization to cisplatin treatment. Instead, both drugs could effectively be combined with each other, and enhanced the efficacy of an apoptosis-inducing TRAIL receptor antibody. These results suggest that both bortezomib and nelfinavir are effective agents against chemoresistant cervical cancer cells and might be of interest for clinical studies on cervical cancer patients with recurrent or metastatic cancer.
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Rank A, Liebhardt S, Zwirner J, Burges A, Nieuwland R, Toth B. Circulating microparticles in patients with benign and malignant ovarian tumors. Anticancer Res 2012; 32:2009-2014. [PMID: 22593480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
BACKGROUND Microparticles are known to be increased in various malignancies. In this prospective study, microparticle levels were evaluated in patients with benign and malignant ovarian lesions. PATIENTS AND METHODS Microparticles from platelets/megakaryocytes, activated platelets and endothelial cells, tissue factor exposing microparticles and D-dimer values were examined in patients with newly diagnosed ovarian lesions before surgery, and were correlated with tumor histology. RESULTS Higher counts of CD63-positive microparticles were detected in patients with ovarian cancer [mean=276×10(6) (range: 64-948)/l; n=12] as compared to patients with benign ovarian tumors [146×10(6) (45-390)/l; n=21; p=0.014]. D-dimer values were also increased in patients with cancer [860 (180-4500) ng/l versus 280 (170-2720) ng/l; p=0.001]. CONCLUSION Elevated levels of CD63-positive microparticles and D-dimer reflect the procoagulant phenotype of these patients. However, for the discrimination between benign and malignant ovarian tumors, measuring preoperative levels of microparticles does not seem to be helpful.
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Harter P, Canzler U, Lueck H, Reuss A, Meier W, Fehm TN, Staehle A, Burges A, Kurzeder C, Sehouli J, Baumann KH, Hanker LC, Wimberger P, Schroeder W, Gropp M, Mahner S, Du Bois A. Pegylated liposomal doxorubicin and carboplatin in malignant mixed epithelial mesenchymal and mesenchymal gynecologic tumors: A phase II trial of the AGO study group. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.5093] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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71
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You B, Colomban O, Heywood M, Lee C, Davy M, Reed N, Pignata S, Fossati R, Emons G, Rehman KL, Steffensen KD, Petru E, Gebski V, Burges A, Tubiana-Matthieu N, Hansen M, Vasey PA, Denison U, De Bruyne P, Oza AM. Mathematical modeling of CA125 kinetics in recurrent ovarian cancer (ROC) patients treated with chemotherapy and predictive value of early modeled kinetic parameters in CALYPSO trial: A GCIG study. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.5065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Lenhard M, Burges A, Schmalfeldt B, Schmalzried H, Enzinger HM, Marth C, Harter P. Rolle der zytoreduktiven Operation für das Ovarialkarzinomrezidiv. Geburtshilfe Frauenheilkd 2011. [DOI: 10.1055/s-0031-1278576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Angele MK, Khalil PN, Spelsberg F, Bruns CJ, Burges A, Jauch KW, Kleespies A. [Non-curable tumours of the female genital tract: therapeutic options in bowel stenosis and bleeding]. Zentralbl Chir 2011; 136:237-43. [PMID: 21332030 DOI: 10.1055/s-0030-1262755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Tumours of the female genital tract are often diagnosed at an advanced stage or re-lapse after initial curative therapy. Ovarian cancer is in particular associated with peritoneal carcinomatosis or local tumour progression entailing different intestinal complications. MATERIAL AND METHODS Based on our own results and a systemic PubMed search, different intestinal complications in non-curable tumours of the female genital tract were defined and different surgical and non-surgical therapeutic options were analysed. RESULTS Stenosis of the small bowel is often caused by direct infiltration of the tumour. Peritoneal carcinomatosis or postoperative abdominal adhesions may lead to an acute or even more often chronic recurrent obstruction. The rectum or sigmoid colon is in particular affected by stenosis caused by tumour masses within the pelvis, occurring fistulas or direct tumour infiltration which may lead to bleeding complications or a large bowel obstruction. Radiation-induced abdominal adhesions or stenosis of the small bowel as well as radiation-induced chronic proctocolitis are further common abdominal complications. Special attention with regard to a well balanced indication towards surgical, oncological or conservative management must be given in the palliative setting of the genital tract. CONCLUSION In particular the dictum of "primum nihil nocere" has to be followed in consideration of the patient's declared intention, the patient's prognosis, general condition, psychological strain as well as the expected complications.
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Gabriel DW, Burges A, Lazo GR. Gene-for-gene interactions of five cloned avirulence genes from Xanthomonas campestris pv. malvacearum with specific resistance genes in cotton. Proc Natl Acad Sci U S A 2010; 83:6415-9. [PMID: 16593751 PMCID: PMC386514 DOI: 10.1073/pnas.83.17.6415] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A total DNA clone bank of a strain of Xanthomonas campestris pv. malvacearum (Xcm) was constructed in the cosmid vector pSa747 and transfected into Escherichia coli. The Xcm strain carries at least nine identifiable avirulence (A) genes. Clones in E. coli were mated individually into a recombination-proficient Xcm isolate carrying no known A genes. Screening was for incompatibility on congenic cotton host lines that differ by single specific resistance (R) genes. Ten different cosmid clones conferring race-specific avirulence were recovered. In most cases, the same A gene clone was recovered independently several times. Using the congenic host lines and the merodiploid transconjugant pathogen strains, five of the A genes were shown to specifically interact, gene-for-gene, with individual R genes in the congenic cotton lines. Some A/R gene interactions appeared qualitatively different from others, suggesting that the physiological mechanism(s) of gene-for-gene specified incompatibility may be unique to the interactive gene pair. All A genes appeared to be chromosomally determined, three were found linked on a single 32-kilobase clone, and the rest were spaced more than 31 kilobases apart. Colinearity of the cosmid inserts with the Xcm recipient (carrying no known A genes) chromosome was demonstrated in two of the three tested. This and other evidence suggests that at least some A genes in bacteria may have the equivalent of virulence (a) alleles. The genetics of race specificity in this phytopathogenic bacterium appeared in all respects to be identical to that found in phytopathogenic fungi.
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Jäger M, Schoberth A, Hennig M, Burges A, Heiss M, Wimberger P, Schmalfeldt B, Lindhofer H. The trifunctional antibody catumaxomab (anti-EpCAM × anti-CD3) in patients with malignant ascites: Immunomonitoring results of a pivotal phase II/III study (pooled population). J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.2521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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