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walter klepetko

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https://www.readbyqxmd.com/read/28514756/elevated-crp-levels-predict-poor-outcome-and-tumor-recurrence-in-patients-with-thymic-epithelial-tumors-a-pro-and-retrospective-analysis
#1
Stefan Janik, Christine Bekos, Philipp Hacker, Thomas Raunegger, Bahil Ghanim, Elisa Einwallner, Lucian Beer, Walter Klepetko, Leonhard Müllauer, Hendrik J Ankersmit, Bernhard Moser
OBJECTIVE: Scarce information exists on the pathogenesis of thymic epithelial tumors (TETs), comprising thymomas, thymic carcinomas (TCs) and neuroendocrine tumors. C-reactive protein (CRP) increases during certain malignancies. We aimed to investigate the clinical relevance of CRP in patients with TETs. RESULTS: Pretreatment CRP serum concentrations were significantly elevated in patients with TETs, particularly TCs and metastatic TETs. After complete tumor resection CRP serum concentrations were decreased (p = 0...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28449470/impact-of-cyclooxygenase-2-and-prostaglandin-e2-expression-on-clinical-outcome-after-pulmonary-metastasectomy
#2
Christian Lang, Emilie Hrdliczka, Thomas Schweiger, Olaf Glueck, Gerrit Lewik, Stefan Schwarz, Alberto Benazzo, György Lang, Walter Klepetko, Konrad Hoetzenecker
BACKGROUND: Pulmonary metastasectomy (PM) is a standard procedure in the treatment of stage IV colorectal cancer (CRC). In most centers the indication for PM is solely based on clinical factors without taking the tumor biology into account. This results in diverse outcomes ranging from long-term remission to early recurrence. Inflammation is considered a hallmark of cancer development and progression. On the other hand the accessibility of CRC cells to the immune system reflects the grade of tumor aggressiveness...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449028/surgical-therapy-of-thymic-tumours-with-pleural-involvement-an-ests-thymic-working-group-project
#3
Bernhard Moser, Elie Fadel, Dominique Fabre, Shaf Keshavjee, Marc de Perrot, Pascal Thomas, Geoffrey Brioude, Dirk Van Raemdonck, Sophie Viskens, Loic Lang-Lazdunski, Andrea Bille, Walter Weder, Wolfgang Jungraithmayr, Enrico Ruffini, Francesco Guerrera, David Gómez de Antonio, Moishe Liberman, Nuria Novoa, Marco Scarci, Stefan Janik, Walter Klepetko
OBJECTIVES: Surgery for thymic epithelial tumours (TETs) with pleural involvement is infrequently performed. Thus, the value of surgical therapy for primary or recurrent TETs with pleural involvement is not sufficiently defined yet. METHODS: Twelve institutions contributed retrospective data on 152 patients undergoing surgery (1977-2014) on behalf of the ESTS Thymic Working group. Outcome measures included overall (OS), cause-specific (CSS) and disease-free (DFS) survival as well as freedom from recurrence (FFR)...
April 25, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28407246/trimodality-therapy-for-pancoast-tumors-t4-is-not-a-contraindication-to-radical-surgery
#4
Ryuichi Waseda, Thomas Klikovits, Mir Alireza Hoda, Konrad Hoetzenecker, Pietro Bertoglio, Karin Dieckmann, Sabine Zöchbauer-Müller, Robert Pirker, Helmut Prosch, Balazs Döme, Walter Klepetko
OBJECTIVE: This study aims to evaluate the impact of T stage and extended surgery on the outcome of patients with Pancoast tumors after induction chemoradiation therapy. METHODS: Forty-six consecutive patients who underwent chemoradiation therapy (platin-based, 45-66 Gy) followed by surgery between 1998 and 2013 were retrospectively reviewed and analyzed. RESULTS: In 28 (61%) patients with T4 tumors, extended procedures (more than rib resection) were performed...
April 13, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28314503/standard-donor-lung-procurement-with-normothermic-ex-vivo-lung-perfusion-a-prospective-randomized-clinical-trial
#5
Alexis Slama, Lukas Schillab, Maximilian Barta, Aris Benedek, Andreas Mitterbauer, Konrad Hoetzenecker, Shahrokh Taghavi, Gyoergy Lang, Jose Matilla, Hendrik Ankersmit, Helmut Hager, Georg Roth, Walter Klepetko, Clemens Aigner
BACKGROUND: Ex vivo lung perfusion (EVLP) was primarily developed for evaluation of impaired donor lungs. The good clinical results raise the question for its possible impact on lungs meeting standard criteria. Before application of EVLP on such lungs enters routine clinical practice, it must be demonstrated whether EVLP would affect or improve outcome when used in standard donor lungs. We performed a prospective randomized trial to investigate the role of EVLP in standard lung transplantation (Tx)...
February 20, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28182573/amplified-canonical-transforming-growth-factor-%C3%AE-signalling-via-heat-shock-protein-90-in-pulmonary-fibrosis
#6
Zaneta Sibinska, Xia Tian, Martina Korfei, Baktybek Kojonazarov, Janina Susanne Kolb, Walter Klepetko, Djuro Kosanovic, Malgorzata Wygrecka, Hossein Ardeschir Ghofrani, Norbert Weissmann, Friedrich Grimminger, Werner Seeger, Andreas Guenther, Ralph T Schermuly
Interstitial lung fibroblast activation coupled with extracellular matrix production is a pathological signature of idiopathic pulmonary fibrosis (IPF), and is governed by transforming growth factor (TGF)-β/Smad signalling. We sought to define the role of heat shock protein (HSP)90 in profibrotic responses in IPF and to determine the therapeutic effects of HSP90 inhibition in a murine model of pulmonary fibrosis.We investigated the effects of HSP90 inhibition in vitro by applying 17-AAG (17-allylamino-17-demethoxygeldanamycin) to lung fibroblasts and A549 cells and in vivo by administering 17-DMAG (17-dimethylaminoethylamino-17-demethoxygeldanamycin) to mice with bleomycin-induced pulmonary fibrosis...
February 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28093071/spag6-and-l1td1-are-transcriptionally-regulated-by-dna-methylation-in-non-small-cell-lung-cancers
#7
Corinna Altenberger, Gerwin Heller, Barbara Ziegler, Erwin Tomasich, Maximilian Marhold, Thais Topakian, Leonhard Müllauer, Petra Heffeter, György Lang, Adelheid End-Pfützenreuter, Balazs Döme, Britt-Madeleine Arns, Walter Klepetko, Christoph C Zielinski, Sabine Zöchbauer-Müller
BACKGROUND: DNA methylation regulates together with other epigenetic mechanisms the transcriptional activity of genes and is involved in the pathogenesis of malignant diseases including lung cancer. In non-small cell lung cancer (NSCLC) various tumor suppressor genes are already known to be tumor-specifically methylated. However, from the vast majority of a large number of genes which were identified to be tumor-specifically methylated, tumor-specific methylation was unknown so far. Thus, the major aim of this study was to investigate in detail the mechanism(s) responsible for transcriptional regulation of the genes SPAG6 and L1TD1 in NSCLCs...
January 5, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28051122/kras-mutation-incidence-and-prognostic-value-are-metastatic-site-specific-in-lung-adenocarcinoma-poor-prognosis-in-patients-with-kras-mutation-and-bone-metastasis
#8
Zoltan Lohinai, Thomas Klikovits, Judit Moldvay, Gyula Ostoros, Erzsebet Raso, Jozsef Timar, Katalin Fabian, Ilona Kovalszky, István Kenessey, Clemens Aigner, Ferenc Renyi-Vamos, Walter Klepetko, Balazs Dome, Balazs Hegedus
Current guidelines lack comprehensive information on the metastatic site-specific role of KRAS mutation in lung adenocarcinoma (LADC). We investigated the effect of KRAS mutation on overall survival (OS) in this setting. In our retrospective study, 500 consecutive Caucasian metastatic LADC patients with known KRAS mutational status were analyzed after excluding 32 patients with EGFR mutations. KRAS mutation incidence was 28.6%. The most frequent metastatic sites were lung (45.6%), bone (26.2%), adrenal gland (17...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28042343/limited-tumor-tissue-drug-penetration-contributes-to-primary-resistance-against-angiogenesis-inhibitors
#9
Szilvia Torok, Melinda Rezeli, Olga Kelemen, Akos Vegvari, Kenichi Watanabe, Yutaka Sugihara, Anna Tisza, Timea Marton, Ildiko Kovacs, Jozsef Tovari, Viktoria Laszlo, Thomas H Helbich, Balazs Hegedus, Thomas Klikovits, Mir Alireza Hoda, Walter Klepetko, Sandor Paku, Gyorgy Marko-Varga, Balazs Dome
Resistance mechanisms against antiangiogenic drugs are unclear. Here, we correlated the antitumor and antivascular properties of five different antiangiogenic receptor tyrosine kinase inhibitors (RTKIs) (motesanib, pazopanib, sorafenib, sunitinib, vatalanib) with their intratumoral distribution data obtained by matrix-assisted laser desorption ionization mass spectrometry imaging (MALDI-MSI). In the first mouse model, only sunitinib exhibited broad-spectrum antivascular and antitumor activities by simultaneously suppressing vascular endothelial growth factor receptor-2 (VEGFR2) and desmin expression, and by increasing intratumoral hypoxia and inhibiting both tumor growth and vascularisation significantly...
2017: Theranostics
https://www.readbyqxmd.com/read/28026875/the-evidence-for-and-against-different-modes-of-tumour-cell-extravasation-in-the-lung-diapedesis-capillary-destruction-necroptosis-and-endothelialization
#10
Sándor Paku, Viktoria Laszlo, Katalin Dezso, Peter Nagy, Mir Alireza Hoda, Walter Klepetko, Ferenc Renyi-Vamos, Jozsef Timar, Andrew R Reynolds, Balazs Dome
The development of lung metastasis is a significant negative prognostic factor for cancer patients. The extravasation phase of lung metastasis involves interactions of tumour cells with the pulmonary endothelium. These interactions may have broad biological and medical significance, with potential clinical implications ranging from the discovery of lung metastasis biomarkers to the identification of targets for intervention in preventing lung metastases. Because of the potential significance, the mechanisms of tumour cell extravasation require cautious, systematic studies...
March 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28007873/re-excellent-outcome-of-donor-lobectomy-with-various-surgical-techniques-for-the-interlobar-artery
#11
Walter Klepetko
No abstract text is available yet for this article.
February 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27836956/an-association-of-particulate-air-pollution-and-traffic-exposure-with-mortality-after-lung-transplantation-in-europe
#12
David Ruttens, Stijn E Verleden, Esmée M Bijnens, Ellen Winckelmans, Jens Gottlieb, Gregor Warnecke, Federica Meloni, Monica Morosini, Wim Van Der Bij, Erik A Verschuuren, Urte Sommerwerck, Gerhard Weinreich, Markus Kamler, Antonio Roman, Susana Gomez-Olles, Cristina Berastegui, Christian Benden, Are Martin Holm, Martin Iversen, Hans Henrik Schultz, Bart Luijk, Erik-Jan Oudijk, Johanna M Kwakkel-van Erp, Peter Jaksch, Walter Klepetko, Nikolaus Kneidinger, Claus Neurohr, Paul Corris, Andrew J Fisher, James Lordan, Gerard Meachery, Davide Piloni, Elly Vandermeulen, Hannelore Bellon, Barbara Hoffmann, Danielle Vienneau, Gerard Hoek, Kees de Hoogh, Benoit Nemery, Geert M Verleden, Robin Vos, Tim S Nawrot, Bart M Vanaudenaerde
Air pollution from road traffic is a serious health risk, especially for susceptible individuals. Single-centre studies showed an association with chronic lung allograft dysfunction (CLAD) and survival after lung transplantation, but there are no large studies.13 lung transplant centres in 10 European countries created a cohort of 5707 patients. For each patient, we quantified residential particulate matter with aerodynamic diameter ≤10 µm (PM10) by land use regression models, and the traffic exposure by quantifying total road length within buffer zones around the home addresses of patients and distance to a major road or freeway...
January 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27641295/a-modified-technique-of-laryngotracheal-reconstruction-without-the-need-for-prolonged-postoperative-stenting
#13
Konrad Hoetzenecker, Thomas Schweiger, Imme Roesner, Matthias Leonhard, Gabriel Marta, Doris M Denk-Linnert, Berit Schneider-Stickler, Wolfgang Bigenzahn, Walter Klepetko
OBJECTIVES: Repair of laryngotracheal stenosis with pronounced side-to-side narrowing and involvement of the glottis is challenging and usually requires laryngotracheal reconstruction with rib cartilage interpositions. This technique, as first described by Couraud, needs prolonged postoperative stabilization with Montgomery T-tubes, imposing significant morbidity and discomfort on patients. We describe our initial experience with a modified laryngotracheal reconstruction technique that avoids the need for prolonged postoperative stenting...
October 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27619223/management-of-malignant-pleural-mesothelioma%C3%A2-part%C3%A2-1-epidemiology-diagnosis-and-staging-consensus-of-the-austrian-mesothelioma-interest-group-amig
#14
Christian Geltner, Peter Errhalt, Bernhard Baumgartner, Gerhard Ambrosch, Barbara Machan, Josef Eckmayr, Thomas Klikovits, Mir Alireza Hoda, Helmut Popper, Walter Klepetko
Malignant pleural mesothelioma is a rare malignant disease that in the majority of cases is associated with asbestos exposure. The incidence in Europe is about 20 per million inhabitants and it is increasing worldwide. Initial symptoms are shortness of breath, pleural effusion, cough, and chest pain. The typical growth pattern is along the pleural surface; however, infiltration of the lung and/or mediastinal and chest wall structures can occur in a more advanced stage. Ultimately, distant metastases outside the chest can result...
September 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27540020/docosahexaenoic-acid-causes-rapid-pulmonary-arterial-relaxation-via-kca-channel-mediated-hyperpolarisation-in-pulmonary-hypertension
#15
Chandran Nagaraj, Bi Tang, Bence M Nagy, Rita Papp, Pritesh P Jain, Leigh M Marsh, Andrea L Meredith, Bahil Ghanim, Walter Klepetko, Grazyna Kwapiszewska, E Kenneth Weir, Horst Olschewski, Andrea Olschewski
Cardioprotective benefits of ω-3 fatty acids such as docosahexaenoic acid (DHA) are well established, but the regulatory effect of DHA on vascular tone and pressure in pulmonary hypertension is largely unknown.As DHA is a potent regulator of K(+) channels, we hypothesised that DHA modulates the membrane potential of pulmonary artery smooth muscle cells (PASMCs) through K(+) channels and thus exerts its effects on pulmonary vascular tone and pressure.We show that DHA caused dose-dependent activation of the calcium-activated K(+) (KCa) current in primary human PASMCs and endothelium-dependent relaxation of pulmonary arteries...
October 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27512118/trabectedin-is-active-against-malignant-pleural-mesothelioma-cell-and-xenograft-models-and-synergizes-with-chemotherapy-and-bcl-2-inhibition-in-vitro
#16
Mir A Hoda, Christine Pirker, Yawen Dong, Karin Schelch, Petra Heffeter, Kushtrim Kryeziu, Sushilla van Schoonhoven, Thomas Klikovits, Viktoria Laszlo, Anita Rozsas, Judit Ozsvar, Walter Klepetko, Balazs Döme, Michael Grusch, Balazs Hegedüs, Walter Berger
Malignant pleural mesothelioma (MPM) is characterized by widespread resistance to systemic therapy. Trabectedin is an antineoplastic agent targeting both the malignant cells and the tumor microenvironment that has been approved for the treatment of advanced soft tissue sarcoma and ovarian cancer. In this preclinical study, we evaluated the antineoplastic potential of trabectedin as a single agent and in drug combination approaches in human MPM. Therefore, we utilized an extended panel of MPM cell lines (n = 6) and primary cell cultures from surgical MPM specimens (n = 13), as well as nonmalignant pleural tissue samples (n = 2)...
October 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27457873/management-of-malignant-pleural-mesothelioma-part%C3%A2-3-data-from-the-austrian-mesothelioma-interest-group-amig-database
#17
MULTICENTER STUDY
Thomas Klikovits, Mir Alireza Hoda, Yawen Dong, Madeleine Arns, Bernhard Baumgartner, Peter Errhalt, Christian Geltner, Barbara Machan, Wolfgang Pohl, Jörg Hutter, Josef Eckmayr, Michael Studnicka, Martin Flicker, Peter Cerkl, Klaus Kirchbacher, Walter Klepetko
BACKGROUND: Malignant pleural mesothelioma (MPM) is a rare but aggressive tumor originating from the pleural cavity with a strong link to previous asbestos exposure. In order to determine the demographics, diagnostics, therapeutic strategies, and prognosis of MPM patients in Austria, the Austrian Mesothelioma Interest Group (AMIG) was founded in 2011. In this report the data from the AMIG MPM database collected to date are reported. METHODS: A prospective observational registry was initiated, including patients with histologically verified MPM diagnosed and treated at specialized centers in Austria...
September 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27457872/management-of-malignant-pleural-mesothelioma-part%C3%A2-2-therapeutic-approaches-consensus-of-the-austrian-mesothelioma-interest-group-amig
#18
Mir Alireza Hoda, Thomas Klikovits, Madeleine Arns, Karin Dieckmann, Sabine Zöchbauer-Müller, Christian Geltner, Bernhard Baumgartner, Peter Errhalt, Barbara Machan, Wolfgang Pohl, Jörg Hutter, Josef Eckmayr, Michael Studnicka, Martin Flicker, Peter Cerkl, Walter Klepetko
Treatment of malignant pleural mesothelioma (MPM) depends on performance status of the patient, tumor stage, and histological differentiation. Chemotherapy (CHT) can be administered as first- and second-line treatment in unresectable MPM or as neoadjuvant or adjuvant treatment before or after surgery. A combination of an antifolate and platinum-based CHT is the only approved standard of care. Several targeted and immunotherapies are in evaluation and further studies are warranted to determine the therapeutic value of these new treatment options...
September 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27457871/malignant-pleural-mesothelioma
#19
EDITORIAL
Walter Klepetko
No abstract text is available yet for this article.
September 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27449756/tumor-infiltrating-lymphocyte-subsets-and-tertiary-lymphoid-structures-in-pulmonary-metastases-from-colorectal-cancer
#20
Thomas Schweiger, Anna Sophie Berghoff, Christoph Glogner, Olaf Glueck, Orsolya Rajky, Denise Traxler, Peter Birner, Matthias Preusser, Walter Klepetko, Konrad Hoetzenecker
The presence of tumor-infiltrating lymphocytes (TILs) and tertiary lymphoid structures (TLSs) reflects an active inflammatory tumor microenvironment. High density of TILs as well as presence of TLS is associated with improved survival in various solid cancer types. We aimed to describe the density and distribution of TILs and TLS in pulmonary metastases (PMs) from primary colorectal cancer (CRC) and its correlation with clinicopathological variables. Fifty-seven CRC pulmonary metastasectomy specimen (PM) and 31 matched primary CRC specimen were included...
October 2016: Clinical & Experimental Metastasis
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